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Diffstat (limited to 'parser/html/javasrc/TreeBuilder.java')
| -rw-r--r-- | parser/html/javasrc/TreeBuilder.java | 6671 |
1 files changed, 6671 insertions, 0 deletions
diff --git a/parser/html/javasrc/TreeBuilder.java b/parser/html/javasrc/TreeBuilder.java new file mode 100644 index 0000000000..1fa67647e1 --- /dev/null +++ b/parser/html/javasrc/TreeBuilder.java @@ -0,0 +1,6671 @@ +/* + * Copyright (c) 2007 Henri Sivonen + * Copyright (c) 2007-2017 Mozilla Foundation + * Portions of comments Copyright 2004-2008 Apple Computer, Inc., Mozilla + * Foundation, and Opera Software ASA. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/* + * The comments following this one that use the same comment syntax as this + * comment are quotes from the WHATWG HTML 5 spec as of 27 June 2007 + * amended as of June 28 2007. + * That document came with this statement: + * "© Copyright 2004-2007 Apple Computer, Inc., Mozilla Foundation, and + * Opera Software ASA. You are granted a license to use, reproduce and + * create derivative works of this document." + */ + +package nu.validator.htmlparser.impl; + +import java.util.Arrays; +import java.util.HashMap; +import java.util.Map; + +import org.xml.sax.ErrorHandler; +import org.xml.sax.Locator; +import org.xml.sax.SAXException; +import org.xml.sax.SAXParseException; + +import nu.validator.htmlparser.annotation.Auto; +import nu.validator.htmlparser.annotation.Const; +import nu.validator.htmlparser.annotation.IdType; +import nu.validator.htmlparser.annotation.Inline; +import nu.validator.htmlparser.annotation.Literal; +import nu.validator.htmlparser.annotation.Local; +import nu.validator.htmlparser.annotation.NoLength; +import nu.validator.htmlparser.annotation.NsUri; +import nu.validator.htmlparser.common.DocumentMode; +import nu.validator.htmlparser.common.DocumentModeHandler; +import nu.validator.htmlparser.common.Interner; +import nu.validator.htmlparser.common.TokenHandler; +import nu.validator.htmlparser.common.XmlViolationPolicy; + +public abstract class TreeBuilder<T> implements TokenHandler, + TreeBuilderState<T> { + + /** + * Array version of U+FFFD. + */ + private static final @NoLength char[] REPLACEMENT_CHARACTER = { '\uFFFD' }; + + // Start dispatch groups + + final static int OTHER = 0; + + final static int A = 1; + + final static int BASE = 2; + + final static int BODY = 3; + + final static int BR = 4; + + final static int BUTTON = 5; + + final static int CAPTION = 6; + + final static int COL = 7; + + final static int COLGROUP = 8; + + final static int FORM = 9; + + final static int FRAME = 10; + + final static int FRAMESET = 11; + + final static int IMAGE = 12; + + final static int INPUT = 13; + + final static int RT_OR_RP = 14; + + final static int LI = 15; + + final static int LINK_OR_BASEFONT_OR_BGSOUND = 16; + + final static int MATH = 17; + + final static int META = 18; + + final static int SVG = 19; + + final static int HEAD = 20; + + final static int HR = 22; + + final static int HTML = 23; + + final static int NOBR = 24; + + final static int NOFRAMES = 25; + + final static int NOSCRIPT = 26; + + final static int OPTGROUP = 27; + + final static int OPTION = 28; + + final static int P = 29; + + final static int PLAINTEXT = 30; + + final static int SCRIPT = 31; + + final static int SELECT = 32; + + final static int STYLE = 33; + + final static int TABLE = 34; + + final static int TEXTAREA = 35; + + final static int TITLE = 36; + + final static int TR = 37; + + final static int XMP = 38; + + final static int TBODY_OR_THEAD_OR_TFOOT = 39; + + final static int TD_OR_TH = 40; + + final static int DD_OR_DT = 41; + + final static int H1_OR_H2_OR_H3_OR_H4_OR_H5_OR_H6 = 42; + + final static int MARQUEE_OR_APPLET = 43; + + final static int PRE_OR_LISTING = 44; + + final static int B_OR_BIG_OR_CODE_OR_EM_OR_I_OR_S_OR_SMALL_OR_STRIKE_OR_STRONG_OR_TT_OR_U = 45; + + final static int UL_OR_OL_OR_DL = 46; + + final static int IFRAME = 47; + + final static int EMBED = 48; + + final static int AREA_OR_WBR = 49; + + final static int DIV_OR_BLOCKQUOTE_OR_CENTER_OR_MENU = 50; + + final static int ADDRESS_OR_ARTICLE_OR_ASIDE_OR_DETAILS_OR_DIALOG_OR_DIR_OR_FIGCAPTION_OR_FIGURE_OR_FOOTER_OR_HEADER_OR_HGROUP_OR_MAIN_OR_NAV_OR_SEARCH_OR_SECTION_OR_SUMMARY = 51; + + final static int RUBY_OR_SPAN_OR_SUB_OR_SUP_OR_VAR = 52; + + final static int RB_OR_RTC = 53; + + final static int PARAM_OR_SOURCE_OR_TRACK = 55; + + final static int MGLYPH_OR_MALIGNMARK = 56; + + final static int MI_MO_MN_MS_MTEXT = 57; + + final static int ANNOTATION_XML = 58; + + final static int FOREIGNOBJECT_OR_DESC = 59; + + final static int NOEMBED = 60; + + final static int FIELDSET = 61; + + final static int OUTPUT = 62; + + final static int OBJECT = 63; + + final static int FONT = 64; + + final static int KEYGEN = 65; + + final static int TEMPLATE = 66; + + final static int IMG = 67; + + // start insertion modes + + private static final int IN_ROW = 0; + + private static final int IN_TABLE_BODY = 1; + + private static final int IN_TABLE = 2; + + private static final int IN_CAPTION = 3; + + private static final int IN_CELL = 4; + + private static final int FRAMESET_OK = 5; + + private static final int IN_BODY = 6; + + private static final int IN_HEAD = 7; + + private static final int IN_HEAD_NOSCRIPT = 8; + + // no fall-through + + private static final int IN_COLUMN_GROUP = 9; + + // no fall-through + + private static final int IN_SELECT_IN_TABLE = 10; + + private static final int IN_SELECT = 11; + + // no fall-through + + private static final int AFTER_BODY = 12; + + // no fall-through + + private static final int IN_FRAMESET = 13; + + private static final int AFTER_FRAMESET = 14; + + // no fall-through + + private static final int INITIAL = 15; + + // could add fall-through + + private static final int BEFORE_HTML = 16; + + // could add fall-through + + private static final int BEFORE_HEAD = 17; + + // no fall-through + + private static final int AFTER_HEAD = 18; + + // no fall-through + + private static final int AFTER_AFTER_BODY = 19; + + // no fall-through + + private static final int AFTER_AFTER_FRAMESET = 20; + + // no fall-through + + private static final int TEXT = 21; + + private static final int IN_TEMPLATE = 22; + + // start charset states + + private static final int CHARSET_INITIAL = 0; + + private static final int CHARSET_C = 1; + + private static final int CHARSET_H = 2; + + private static final int CHARSET_A = 3; + + private static final int CHARSET_R = 4; + + private static final int CHARSET_S = 5; + + private static final int CHARSET_E = 6; + + private static final int CHARSET_T = 7; + + private static final int CHARSET_EQUALS = 8; + + private static final int CHARSET_SINGLE_QUOTED = 9; + + private static final int CHARSET_DOUBLE_QUOTED = 10; + + private static final int CHARSET_UNQUOTED = 11; + + // end pseudo enums + + @Literal private final static String[] QUIRKY_PUBLIC_IDS = { + "+//silmaril//dtd html pro v0r11 19970101//", + "-//advasoft ltd//dtd html 3.0 aswedit + extensions//", + "-//as//dtd html 3.0 aswedit + extensions//", + "-//ietf//dtd html 2.0 level 1//", + "-//ietf//dtd html 2.0 level 2//", + "-//ietf//dtd html 2.0 strict level 1//", + "-//ietf//dtd html 2.0 strict level 2//", + "-//ietf//dtd html 2.0 strict//", + "-//ietf//dtd html 2.0//", + "-//ietf//dtd html 2.1e//", + "-//ietf//dtd html 3.0//", + "-//ietf//dtd html 3.2 final//", + "-//ietf//dtd html 3.2//", + "-//ietf//dtd html 3//", + "-//ietf//dtd html level 0//", + "-//ietf//dtd html level 1//", + "-//ietf//dtd html level 2//", + "-//ietf//dtd html level 3//", + "-//ietf//dtd html strict level 0//", + "-//ietf//dtd html strict level 1//", + "-//ietf//dtd html strict level 2//", + "-//ietf//dtd html strict level 3//", + "-//ietf//dtd html strict//", + "-//ietf//dtd html//", + "-//metrius//dtd metrius presentational//", + "-//microsoft//dtd internet explorer 2.0 html strict//", + "-//microsoft//dtd internet explorer 2.0 html//", + "-//microsoft//dtd internet explorer 2.0 tables//", + "-//microsoft//dtd internet explorer 3.0 html strict//", + "-//microsoft//dtd internet explorer 3.0 html//", + "-//microsoft//dtd internet explorer 3.0 tables//", + "-//netscape comm. corp.//dtd html//", + "-//netscape comm. corp.//dtd strict html//", + "-//o'reilly and associates//dtd html 2.0//", + "-//o'reilly and associates//dtd html extended 1.0//", + "-//o'reilly and associates//dtd html extended relaxed 1.0//", + "-//softquad software//dtd hotmetal pro 6.0::19990601::extensions to html 4.0//", + "-//softquad//dtd hotmetal pro 4.0::19971010::extensions to html 4.0//", + "-//spyglass//dtd html 2.0 extended//", + "-//sq//dtd html 2.0 hotmetal + extensions//", + "-//sun microsystems corp.//dtd hotjava html//", + "-//sun microsystems corp.//dtd hotjava strict html//", + "-//w3c//dtd html 3 1995-03-24//", "-//w3c//dtd html 3.2 draft//", + "-//w3c//dtd html 3.2 final//", "-//w3c//dtd html 3.2//", + "-//w3c//dtd html 3.2s draft//", "-//w3c//dtd html 4.0 frameset//", + "-//w3c//dtd html 4.0 transitional//", + "-//w3c//dtd html experimental 19960712//", + "-//w3c//dtd html experimental 970421//", "-//w3c//dtd w3 html//", + "-//w3o//dtd w3 html 3.0//", "-//webtechs//dtd mozilla html 2.0//", + "-//webtechs//dtd mozilla html//" }; + + private static final int NOT_FOUND_ON_STACK = Integer.MAX_VALUE; + + // [NOCPP[ + + private static final @Local String HTML_LOCAL = "html"; + + // ]NOCPP] + + private int mode = INITIAL; + + private int originalMode = INITIAL; + + /** + * Used only when moving back to IN_BODY. + */ + private boolean framesetOk = true; + + protected Tokenizer tokenizer; + + // [NOCPP[ + + protected ErrorHandler errorHandler; + + private DocumentModeHandler documentModeHandler; + + // ]NOCPP] + + private boolean scriptingEnabled = false; + + private boolean needToDropLF; + + // [NOCPP[ + + private boolean wantingComments; + + // ]NOCPP] + + private boolean fragment; + + private @Local String contextName; + + private @NsUri String contextNamespace; + + private T contextNode; + + /** + * Stack of template insertion modes + */ + private @Auto int[] templateModeStack; + + /** + * Current template mode stack pointer. + */ + private int templateModePtr = -1; + + private @Auto StackNode<T>[] stackNodes; + + /** + * Index of the earliest possible unused or empty element in stackNodes. + */ + private int stackNodesIdx = -1; + + private int numStackNodes = 0; + + private @Auto StackNode<T>[] stack; + + private int currentPtr = -1; + + private @Auto StackNode<T>[] listOfActiveFormattingElements; + + private int listPtr = -1; + + private T formPointer; + + private T headPointer; + + protected @Auto char[] charBuffer; + + protected int charBufferLen = 0; + + private boolean quirks = false; + + private boolean forceNoQuirks = false; + + private boolean allowDeclarativeShadowRoots = false; + + // [NOCPP[ + + private boolean reportingDoctype = true; + + private XmlViolationPolicy namePolicy = XmlViolationPolicy.ALTER_INFOSET; + + private final Map<String, LocatorImpl> idLocations = new HashMap<String, LocatorImpl>(); + + // ]NOCPP] + + protected TreeBuilder() { + fragment = false; + } + + /** + * Reports an condition that would make the infoset incompatible with XML + * 1.0 as fatal. + * + * @throws SAXException + * @throws SAXParseException + */ + protected void fatal() throws SAXException { + } + + // CPPONLY: @Inline private @Creator Object htmlCreator(@HtmlCreator Object htmlCreator) { + // CPPONLY: @Creator Object creator; + // CPPONLY: creator.html = htmlCreator; + // CPPONLY: return creator; + // CPPONLY: } + // CPPONLY: + // CPPONLY: @Inline private @Creator Object svgCreator(@SvgCreator Object svgCreator) { + // CPPONLY: @Creator Object creator; + // CPPONLY: creator.svg = svgCreator; + // CPPONLY: return creator; + // CPPONLY: } + + // [NOCPP[ + + protected final void fatal(Exception e) throws SAXException { + SAXParseException spe = new SAXParseException(e.getMessage(), + tokenizer, e); + if (errorHandler != null) { + errorHandler.fatalError(spe); + } + throw spe; + } + + final void fatal(String s) throws SAXException { + SAXParseException spe = new SAXParseException(s, tokenizer); + if (errorHandler != null) { + errorHandler.fatalError(spe); + } + throw spe; + } + + /** + * Reports a Parse Error. + * + * @param message + * the message + * @throws SAXException + */ + final void err(String message) throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck(message); + } + + /** + * Reports a Parse Error without checking if an error handler is present. + * + * @param message + * the message + * @throws SAXException + */ + final void errNoCheck(String message) throws SAXException { + SAXParseException spe = new SAXParseException(message, tokenizer); + errorHandler.error(spe); + } + + private void errListUnclosedStartTags(int eltPos) throws SAXException { + if (currentPtr != -1) { + for (int i = currentPtr; i > eltPos; i--) { + reportUnclosedElementNameAndLocation(i); + } + } + } + + /** + * Reports the name and location of an unclosed element. + * + * @throws SAXException + */ + private final void reportUnclosedElementNameAndLocation(int pos) throws SAXException { + StackNode<T> node = stack[pos]; + if (node.isOptionalEndTag()) { + return; + } + TaintableLocatorImpl locator = node.getLocator(); + if (locator.isTainted()) { + return; + } + locator.markTainted(); + SAXParseException spe = new SAXParseException( + "Unclosed element \u201C" + node.popName + "\u201D.", locator); + errorHandler.error(spe); + } + + /** + * Reports a warning + * + * @param message + * the message + * @throws SAXException + */ + final void warn(String message) throws SAXException { + if (errorHandler == null) { + return; + } + SAXParseException spe = new SAXParseException(message, tokenizer); + errorHandler.warning(spe); + } + + /** + * Reports a warning with an explicit locator + * + * @param message + * the message + * @throws SAXException + */ + final void warn(String message, Locator locator) throws SAXException { + if (errorHandler == null) { + return; + } + SAXParseException spe = new SAXParseException(message, locator); + errorHandler.warning(spe); + } + + // ]NOCPP] + + @SuppressWarnings("unchecked") public final void startTokenization(Tokenizer self) throws SAXException { + tokenizer = self; + stackNodes = new StackNode[64]; + stack = new StackNode[64]; + templateModeStack = new int[64]; + listOfActiveFormattingElements = new StackNode[64]; + needToDropLF = false; + originalMode = INITIAL; + templateModePtr = -1; + stackNodesIdx = 0; + numStackNodes = 0; + currentPtr = -1; + listPtr = -1; + formPointer = null; + headPointer = null; + // [NOCPP[ + idLocations.clear(); + wantingComments = wantsComments(); + // ]NOCPP] + start(fragment); + charBufferLen = 0; + charBuffer = null; + framesetOk = true; + if (fragment) { + T elt; + if (contextNode != null) { + elt = contextNode; + } else { + elt = createHtmlElementSetAsRoot(tokenizer.emptyAttributes()); + } + // When the context node is not in the HTML namespace, contrary + // to the spec, the first node on the stack is not set to "html" + // in the HTML namespace. Instead, it is set to a node that has + // the characteristics of the appropriate "adjusted current node". + // This way, there is no need to perform "adjusted current node" + // checks during tree construction. Instead, it's sufficient to + // just look at the current node. However, this also means that it + // is not safe to treat "html" in the HTML namespace as a sentinel + // that ends stack popping. Instead, stack popping loops that are + // meant not to pop the first element on the stack need to check + // for currentPos becoming zero. + if (contextNamespace == "http://www.w3.org/2000/svg") { + ElementName elementName = ElementName.SVG; + if ("title" == contextName || "desc" == contextName + || "foreignObject" == contextName) { + // These elements are all alike and we don't care about + // the exact name. + elementName = ElementName.FOREIGNOBJECT; + } + // This is the SVG variant of the StackNode constructor. + StackNode<T> node = createStackNode(elementName, + elementName.getCamelCaseName(), elt + // [NOCPP[ + , errorHandler == null ? null + : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + ); + currentPtr++; + stack[currentPtr] = node; + tokenizer.setState(Tokenizer.DATA); + // The frameset-ok flag is set even though <frameset> never + // ends up being allowed as HTML frameset in the fragment case. + mode = FRAMESET_OK; + } else if (contextNamespace == "http://www.w3.org/1998/Math/MathML") { + ElementName elementName = ElementName.MATH; + if ("mi" == contextName || "mo" == contextName + || "mn" == contextName || "ms" == contextName + || "mtext" == contextName) { + // These elements are all alike and we don't care about + // the exact name. + elementName = ElementName.MTEXT; + } else if ("annotation-xml" == contextName) { + elementName = ElementName.ANNOTATION_XML; + // Blink does not check the encoding attribute of the + // annotation-xml element innerHTML is being set on. + // Let's do the same at least until + // https://www.w3.org/Bugs/Public/show_bug.cgi?id=26783 + // is resolved. + } + // This is the MathML variant of the StackNode constructor. + StackNode<T> node = createStackNode(elementName, elt, + elementName.getName(), false + // [NOCPP[ + , errorHandler == null ? null + : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + ); + currentPtr++; + stack[currentPtr] = node; + tokenizer.setState(Tokenizer.DATA); + // The frameset-ok flag is set even though <frameset> never + // ends up being allowed as HTML frameset in the fragment case. + mode = FRAMESET_OK; + } else { // html + StackNode<T> node = createStackNode(ElementName.HTML, elt + // [NOCPP[ + , errorHandler == null ? null + : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + ); + currentPtr++; + stack[currentPtr] = node; + if ("template" == contextName) { + pushTemplateMode(IN_TEMPLATE); + } + resetTheInsertionMode(); + formPointer = getFormPointerForContext(contextNode); + if ("title" == contextName || "textarea" == contextName) { + tokenizer.setState(Tokenizer.RCDATA); + } else if ("style" == contextName || "xmp" == contextName + || "iframe" == contextName || "noembed" == contextName + || "noframes" == contextName + || (scriptingEnabled && "noscript" == contextName)) { + tokenizer.setState(Tokenizer.RAWTEXT); + } else if ("plaintext" == contextName) { + tokenizer.setState(Tokenizer.PLAINTEXT); + } else if ("script" == contextName) { + tokenizer.setState(Tokenizer.SCRIPT_DATA); + } else { + tokenizer.setState(Tokenizer.DATA); + } + } + } else { + mode = INITIAL; + // If we are viewing XML source, put a foreign element permanently + // on the stack so that cdataSectionAllowed() returns true. + // CPPONLY: if (tokenizer.isViewingXmlSource()) { + // CPPONLY: T elt = createElement("http://www.w3.org/2000/svg", + // CPPONLY: "svg", + // CPPONLY: tokenizer.emptyAttributes(), null, + // CPPONLY: svgCreator(NS_NewSVGSVGElement)); + // CPPONLY: StackNode<T> node = createStackNode(ElementName.SVG, + // CPPONLY: "svg", + // CPPONLY: elt); + // CPPONLY: currentPtr++; + // CPPONLY: stack[currentPtr] = node; + // CPPONLY: } + } + } + + public final void doctype(@Local String name, String publicIdentifier, + String systemIdentifier, boolean forceQuirks) throws SAXException { + needToDropLF = false; + if (!isInForeign() && mode == INITIAL) { + // [NOCPP[ + if (reportingDoctype) { + // ]NOCPP] + String emptyString = Portability.newEmptyString(); + appendDoctypeToDocument(name == null ? "" : name, + publicIdentifier == null ? emptyString + : publicIdentifier, + systemIdentifier == null ? emptyString + : systemIdentifier); + Portability.releaseString(emptyString); + // [NOCPP[ + } + // ]NOCPP] + if (isQuirky(name, publicIdentifier, systemIdentifier, + forceQuirks)) { + errQuirkyDoctype(); + documentModeInternal(DocumentMode.QUIRKS_MODE, + publicIdentifier, systemIdentifier); + } else if (isAlmostStandards(publicIdentifier, + systemIdentifier)) { + errAlmostStandardsDoctype(); + documentModeInternal( + DocumentMode.ALMOST_STANDARDS_MODE, + publicIdentifier, systemIdentifier); + } else { + // [NOCPP[ + if ((Portability.literalEqualsString( + "-//W3C//DTD HTML 4.0//EN", publicIdentifier) && (systemIdentifier == null || Portability.literalEqualsString( + "http://www.w3.org/TR/REC-html40/strict.dtd", + systemIdentifier))) + || (Portability.literalEqualsString( + "-//W3C//DTD HTML 4.01//EN", + publicIdentifier) && (systemIdentifier == null || Portability.literalEqualsString( + "http://www.w3.org/TR/html4/strict.dtd", + systemIdentifier))) + || (Portability.literalEqualsString( + "-//W3C//DTD XHTML 1.0 Strict//EN", + publicIdentifier) && Portability.literalEqualsString( + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd", + systemIdentifier)) + || (Portability.literalEqualsString( + "-//W3C//DTD XHTML 1.1//EN", + publicIdentifier) && Portability.literalEqualsString( + "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd", + systemIdentifier)) + + ) { + err("Obsolete doctype. Expected \u201C<!DOCTYPE html>\u201D."); + } else if (!((systemIdentifier == null || Portability.literalEqualsString( + "about:legacy-compat", systemIdentifier)) && publicIdentifier == null)) { + err("Legacy doctype. Expected \u201C<!DOCTYPE html>\u201D."); + } + // ]NOCPP] + documentModeInternal(DocumentMode.STANDARDS_MODE, + publicIdentifier, systemIdentifier); + } + + /* + * + * Then, switch to the root element mode of the tree construction + * stage. + */ + mode = BEFORE_HTML; + return; + } + /* + * A DOCTYPE token Parse error. + */ + errStrayDoctype(); + /* + * Ignore the token. + */ + return; + } + + public final void comment(@NoLength char[] buf, int start, int length) + throws SAXException { + needToDropLF = false; + // [NOCPP[ + if (!wantingComments) { + return; + } + // ]NOCPP] + if (!isInForeign()) { + switch (mode) { + case INITIAL: + case BEFORE_HTML: + case AFTER_AFTER_BODY: + case AFTER_AFTER_FRAMESET: + /* + * A comment token Append a Comment node to the Document + * object with the data attribute set to the data given in + * the comment token. + */ + appendCommentToDocument(buf, start, length); + return; + case AFTER_BODY: + /* + * A comment token Append a Comment node to the first + * element in the stack of open elements (the html element), + * with the data attribute set to the data given in the + * comment token. + */ + flushCharacters(); + appendComment(stack[0].node, buf, start, length); + return; + default: + break; + } + } + /* + * A comment token Append a Comment node to the current node with the + * data attribute set to the data given in the comment token. + */ + flushCharacters(); + appendComment(stack[currentPtr].node, buf, start, length); + return; + } + + /** + * @see nu.validator.htmlparser.common.TokenHandler#characters(char[], int, + * int) + */ + public final void characters(@Const @NoLength char[] buf, int start, int length) + throws SAXException { + // Note: Can't attach error messages to EOF in C++ yet + + // CPPONLY: if (tokenizer.isViewingXmlSource()) { + // CPPONLY: return; + // CPPONLY: } + if (needToDropLF) { + needToDropLF = false; + if (buf[start] == '\n') { + start++; + length--; + if (length == 0) { + return; + } + } + } + + // optimize the most common case + switch (mode) { + case IN_BODY: + case IN_CELL: + case IN_CAPTION: + if (!isInForeignButNotHtmlOrMathTextIntegrationPoint()) { + reconstructTheActiveFormattingElements(); + } + // CPPONLY: MOZ_FALLTHROUGH; + case TEXT: + accumulateCharacters(buf, start, length); + return; + case IN_TABLE: + case IN_TABLE_BODY: + case IN_ROW: + accumulateCharactersForced(buf, start, length); + return; + default: + int end = start + length; + charactersloop: for (int i = start; i < end; i++) { + switch (buf[i]) { + case ' ': + case '\t': + case '\n': + case '\r': + case '\u000C': + /* + * A character token that is one of one of U+0009 + * CHARACTER TABULATION, U+000A LINE FEED (LF), + * U+000C FORM FEED (FF), or U+0020 SPACE + */ + switch (mode) { + case INITIAL: + case BEFORE_HTML: + case BEFORE_HEAD: + /* + * Ignore the token. + */ + start = i + 1; + continue; + case IN_HEAD: + case IN_HEAD_NOSCRIPT: + case AFTER_HEAD: + case IN_COLUMN_GROUP: + case IN_FRAMESET: + case AFTER_FRAMESET: + /* + * Append the character to the current node. + */ + continue; + case FRAMESET_OK: + case IN_TEMPLATE: + case IN_BODY: + case IN_CELL: + case IN_CAPTION: + if (start < i) { + accumulateCharacters(buf, start, i + - start); + start = i; + } + + /* + * Reconstruct the active formatting + * elements, if any. + */ + if (!isInForeignButNotHtmlOrMathTextIntegrationPoint()) { + flushCharacters(); + reconstructTheActiveFormattingElements(); + } + /* + * Append the token's character to the + * current node. + */ + break charactersloop; + case IN_SELECT: + case IN_SELECT_IN_TABLE: + break charactersloop; + case IN_TABLE: + case IN_TABLE_BODY: + case IN_ROW: + accumulateCharactersForced(buf, i, 1); + start = i + 1; + continue; + case AFTER_BODY: + case AFTER_AFTER_BODY: + case AFTER_AFTER_FRAMESET: + if (start < i) { + accumulateCharacters(buf, start, i + - start); + start = i; + } + /* + * Reconstruct the active formatting + * elements, if any. + */ + flushCharacters(); + reconstructTheActiveFormattingElements(); + /* + * Append the token's character to the + * current node. + */ + continue; + } + // CPPONLY: MOZ_FALLTHROUGH_ASSERT(); + default: + /* + * A character token that is not one of one of + * U+0009 CHARACTER TABULATION, U+000A LINE FEED + * (LF), U+000C FORM FEED (FF), or U+0020 SPACE + */ + switch (mode) { + case INITIAL: + /* + * Parse error. + */ + // [NOCPP[ + // XXX figure out a way to report this in the Gecko View Source case + err("Non-space characters found without seeing a doctype first. Expected \u201C<!DOCTYPE html>\u201D."); + // ]NOCPP] + /* + * + * Set the document to quirks mode. + */ + documentModeInternal( + DocumentMode.QUIRKS_MODE, null, + null); + /* + * Then, switch to the root element mode of + * the tree construction stage + */ + mode = BEFORE_HTML; + /* + * and reprocess the current token. + */ + i--; + continue; + case BEFORE_HTML: + /* + * Create an HTMLElement node with the tag + * name html, in the HTML namespace. Append + * it to the Document object. + */ + // No need to flush characters here, + // because there's nothing to flush. + appendHtmlElementToDocumentAndPush(); + /* Switch to the main mode */ + mode = BEFORE_HEAD; + /* + * reprocess the current token. + */ + i--; + continue; + case BEFORE_HEAD: + if (start < i) { + accumulateCharacters(buf, start, i + - start); + start = i; + } + /* + * /Act as if a start tag token with the tag + * name "head" and no attributes had been + * seen, + */ + flushCharacters(); + appendToCurrentNodeAndPushHeadElement(HtmlAttributes.EMPTY_ATTRIBUTES); + mode = IN_HEAD; + /* + * then reprocess the current token. + * + * This will result in an empty head element + * being generated, with the current token + * being reprocessed in the "after head" + * insertion mode. + */ + i--; + continue; + case IN_HEAD: + if (start < i) { + accumulateCharacters(buf, start, i + - start); + start = i; + } + /* + * Act as if an end tag token with the tag + * name "head" had been seen, + */ + flushCharacters(); + pop(); + mode = AFTER_HEAD; + /* + * and reprocess the current token. + */ + i--; + continue; + case IN_HEAD_NOSCRIPT: + if (start < i) { + accumulateCharacters(buf, start, i + - start); + start = i; + } + /* + * Parse error. Act as if an end tag with + * the tag name "noscript" had been seen + */ + errNonSpaceInNoscriptInHead(); + flushCharacters(); + pop(); + mode = IN_HEAD; + /* + * and reprocess the current token. + */ + i--; + continue; + case AFTER_HEAD: + if (start < i) { + accumulateCharacters(buf, start, i + - start); + start = i; + } + /* + * Act as if a start tag token with the tag + * name "body" and no attributes had been + * seen, + */ + flushCharacters(); + appendToCurrentNodeAndPushBodyElement(); + mode = FRAMESET_OK; + /* + * and then reprocess the current token. + */ + i--; + continue; + case FRAMESET_OK: + framesetOk = false; + mode = IN_BODY; + i--; + continue; + case IN_TEMPLATE: + case IN_BODY: + case IN_CELL: + case IN_CAPTION: + if (start < i) { + accumulateCharacters(buf, start, i + - start); + start = i; + } + /* + * Reconstruct the active formatting + * elements, if any. + */ + if (!isInForeignButNotHtmlOrMathTextIntegrationPoint()) { + flushCharacters(); + reconstructTheActiveFormattingElements(); + } + /* + * Append the token's character to the + * current node. + */ + break charactersloop; + case IN_TABLE: + case IN_TABLE_BODY: + case IN_ROW: + accumulateCharactersForced(buf, i, 1); + start = i + 1; + continue; + case IN_COLUMN_GROUP: + if (start < i) { + accumulateCharacters(buf, start, i + - start); + start = i; + } + /* + * Act as if an end tag with the tag name + * "colgroup" had been seen, and then, if + * that token wasn't ignored, reprocess the + * current token. + */ + if (currentPtr == 0 || stack[currentPtr].getGroup() == + TreeBuilder.TEMPLATE) { + errNonSpaceInColgroupInFragment(); + start = i + 1; + continue; + } + flushCharacters(); + pop(); + mode = IN_TABLE; + i--; + continue; + case IN_SELECT: + case IN_SELECT_IN_TABLE: + break charactersloop; + case AFTER_BODY: + errNonSpaceAfterBody(); + fatal(); + mode = framesetOk ? FRAMESET_OK : IN_BODY; + i--; + continue; + case IN_FRAMESET: + if (start < i) { + accumulateCharacters(buf, start, i + - start); + // start index is adjusted below. + } + /* + * Parse error. + */ + errNonSpaceInFrameset(); + /* + * Ignore the token. + */ + start = i + 1; + continue; + case AFTER_FRAMESET: + if (start < i) { + accumulateCharacters(buf, start, i + - start); + // start index is adjusted below. + } + /* + * Parse error. + */ + errNonSpaceAfterFrameset(); + /* + * Ignore the token. + */ + start = i + 1; + continue; + case AFTER_AFTER_BODY: + /* + * Parse error. + */ + errNonSpaceInTrailer(); + /* + * Switch back to the main mode and + * reprocess the token. + */ + mode = framesetOk ? FRAMESET_OK : IN_BODY; + i--; + continue; + case AFTER_AFTER_FRAMESET: + if (start < i) { + accumulateCharacters(buf, start, i + - start); + // start index is adjusted below. + } + /* + * Parse error. + */ + errNonSpaceInTrailer(); + /* + * Ignore the token. + */ + start = i + 1; + continue; + } + } + } + if (start < end) { + accumulateCharacters(buf, start, end - start); + } + } + } + + /** + * @see nu.validator.htmlparser.common.TokenHandler#zeroOriginatingReplacementCharacter() + */ + public void zeroOriginatingReplacementCharacter() throws SAXException { + if (mode == TEXT) { + accumulateCharacters(REPLACEMENT_CHARACTER, 0, 1); + return; + } + if (currentPtr >= 0) { + if (isSpecialParentInForeign(stack[currentPtr])) { + return; + } + accumulateCharacters(REPLACEMENT_CHARACTER, 0, 1); + } + } + + /** + * @see nu.validator.htmlparser.common.TokenHandler#zeroOrReplacementCharacter() + */ + public void zeroOrReplacementCharacter() throws SAXException { + zeroOriginatingReplacementCharacter(); + } + + public final void eof() throws SAXException { + flushCharacters(); + // Note: Can't attach error messages to EOF in C++ yet + eofloop: for (;;) { + switch (mode) { + case INITIAL: + /* + * Parse error. + */ + // [NOCPP[ + err("End of file seen without seeing a doctype first. Expected \u201C<!DOCTYPE html>\u201D."); + // ]NOCPP] + /* + * + * Set the document to quirks mode. + */ + documentModeInternal(DocumentMode.QUIRKS_MODE, null, null); + /* + * Then, switch to the root element mode of the tree + * construction stage + */ + mode = BEFORE_HTML; + /* + * and reprocess the current token. + */ + continue; + case BEFORE_HTML: + /* + * Create an HTMLElement node with the tag name html, in the + * HTML namespace. Append it to the Document object. + */ + appendHtmlElementToDocumentAndPush(); + // XXX application cache manifest + /* Switch to the main mode */ + mode = BEFORE_HEAD; + /* + * reprocess the current token. + */ + continue; + case BEFORE_HEAD: + appendToCurrentNodeAndPushHeadElement(HtmlAttributes.EMPTY_ATTRIBUTES); + mode = IN_HEAD; + continue; + case IN_HEAD: + // [NOCPP[ + if (errorHandler != null && currentPtr > 1) { + errEofWithUnclosedElements(); + } + // ]NOCPP] + while (currentPtr > 0) { + popOnEof(); + } + mode = AFTER_HEAD; + continue; + case IN_HEAD_NOSCRIPT: + // [NOCPP[ + errEofWithUnclosedElements(); + // ]NOCPP] + while (currentPtr > 1) { + popOnEof(); + } + mode = IN_HEAD; + continue; + case AFTER_HEAD: + appendToCurrentNodeAndPushBodyElement(); + mode = IN_BODY; + continue; + case IN_TABLE_BODY: + case IN_ROW: + case IN_TABLE: + case IN_SELECT_IN_TABLE: + case IN_SELECT: + case IN_COLUMN_GROUP: + case FRAMESET_OK: + case IN_CAPTION: + case IN_CELL: + case IN_BODY: + // [NOCPP[ + // i > 0 to stop in time in the foreign fragment case. + openelementloop: for (int i = currentPtr; i > 0; i--) { + int group = stack[i].getGroup(); + switch (group) { + case DD_OR_DT: + case LI: + case P: + case TBODY_OR_THEAD_OR_TFOOT: + case TD_OR_TH: + case BODY: + case HTML: + break; + default: + errEofWithUnclosedElements(); + break openelementloop; + } + } + // ]NOCPP] + + if (isTemplateModeStackEmpty()) { + break eofloop; + } + + // fall through to IN_TEMPLATE + // CPPONLY: MOZ_FALLTHROUGH; + case IN_TEMPLATE: + int eltPos = findLast("template"); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + assert fragment; + break eofloop; + } + if (errorHandler != null) { + errListUnclosedStartTags(0); + } + while (currentPtr >= eltPos) { + pop(); + } + clearTheListOfActiveFormattingElementsUpToTheLastMarker(); + popTemplateMode(); + resetTheInsertionMode(); + + // Reprocess token. + continue; + case TEXT: + // [NOCPP[ + if (errorHandler != null) { + errNoCheck("End of file seen when expecting text or an end tag."); + errListUnclosedStartTags(0); + } + // ]NOCPP] + // XXX mark script as already executed + if (originalMode == AFTER_HEAD) { + popOnEof(); + } + popOnEof(); + mode = originalMode; + continue; + case IN_FRAMESET: + // [NOCPP[ + if (errorHandler != null && currentPtr > 0) { + errEofWithUnclosedElements(); + } + // ]NOCPP] + break eofloop; + case AFTER_BODY: + case AFTER_FRAMESET: + case AFTER_AFTER_BODY: + case AFTER_AFTER_FRAMESET: + default: + // [NOCPP[ + if (currentPtr == 0) { // This silliness is here to poison + // buggy compiler optimizations in + // GWT + System.currentTimeMillis(); + } + // ]NOCPP] + break eofloop; + } + } + while (currentPtr > 0) { + popOnEof(); + } + if (!fragment) { + popOnEof(); + } + /* Stop parsing. */ + } + + /** + * @see nu.validator.htmlparser.common.TokenHandler#endTokenization() + */ + public final void endTokenization() throws SAXException { + formPointer = null; + headPointer = null; + contextName = null; + contextNode = null; + templateModeStack = null; + if (stack != null) { + while (currentPtr > -1) { + stack[currentPtr].release(this); + currentPtr--; + } + stack = null; + } + if (listOfActiveFormattingElements != null) { + while (listPtr > -1) { + if (listOfActiveFormattingElements[listPtr] != null) { + listOfActiveFormattingElements[listPtr].release(this); + } + listPtr--; + } + listOfActiveFormattingElements = null; + } + if (stackNodes != null) { + for (int i = 0; i < numStackNodes; i++) { + assert stackNodes[i].isUnused(); + Portability.delete(stackNodes[i]); + } + numStackNodes = 0; + stackNodesIdx = 0; + stackNodes = null; + } + // [NOCPP[ + idLocations.clear(); + // ]NOCPP] + charBuffer = null; + end(); + } + + public final void startTag(ElementName elementName, + HtmlAttributes attributes, boolean selfClosing) throws SAXException { + flushCharacters(); + + // [NOCPP[ + boolean wasSelfClosing = selfClosing; + boolean voidElement = false; + if (errorHandler != null) { + // ID uniqueness + @IdType String id = attributes.getId(); + if (id != null && !isTemplateContents()) { + LocatorImpl oldLoc = idLocations.get(id); + if (oldLoc != null) { + err("Duplicate ID \u201C" + id + "\u201D."); + errorHandler.warning(new SAXParseException( + "The first occurrence of ID \u201C" + id + + "\u201D was here.", oldLoc)); + } else { + idLocations.put(id, new LocatorImpl(tokenizer)); + } + } + } + // ]NOCPP] + + int eltPos; + needToDropLF = false; + starttagloop: for (;;) { + int group = elementName.getGroup(); + @Local String name = elementName.getName(); + if (isInForeign()) { + StackNode<T> currentNode = stack[currentPtr]; + @NsUri String currNs = currentNode.ns; + if (!(currentNode.isHtmlIntegrationPoint() || (currNs == "http://www.w3.org/1998/Math/MathML" && ((currentNode.getGroup() == MI_MO_MN_MS_MTEXT && group != MGLYPH_OR_MALIGNMARK) || (currentNode.getGroup() == ANNOTATION_XML && group == SVG))))) { + switch (group) { + case B_OR_BIG_OR_CODE_OR_EM_OR_I_OR_S_OR_SMALL_OR_STRIKE_OR_STRONG_OR_TT_OR_U: + case DIV_OR_BLOCKQUOTE_OR_CENTER_OR_MENU: + case BODY: + case BR: + case RUBY_OR_SPAN_OR_SUB_OR_SUP_OR_VAR: + case DD_OR_DT: + case UL_OR_OL_OR_DL: + case EMBED: + case IMG: + case H1_OR_H2_OR_H3_OR_H4_OR_H5_OR_H6: + case HEAD: + case HR: + case LI: + case META: + case NOBR: + case P: + case PRE_OR_LISTING: + case TABLE: + case FONT: + // re-check FONT to deal with the special case + if (!(group == FONT && !(attributes.contains(AttributeName.COLOR) + || attributes.contains(AttributeName.FACE) || attributes.contains(AttributeName.SIZE)))) { + errHtmlStartTagInForeignContext(name); + if (!fragment) { + while (!isSpecialParentInForeign(stack[currentPtr])) { + popForeign(-1, -1); + } + continue starttagloop; + } // else fall thru + } + // CPPONLY: MOZ_FALLTHROUGH; + default: + if ("http://www.w3.org/2000/svg" == currNs) { + attributes.adjustForSvg(); + if (selfClosing) { + appendVoidElementToCurrentMayFosterSVG( + elementName, attributes); + selfClosing = false; + } else { + appendToCurrentNodeAndPushElementMayFosterSVG( + elementName, attributes); + } + attributes = null; // CPP + break starttagloop; + } else { + attributes.adjustForMath(); + if (selfClosing) { + appendVoidElementToCurrentMayFosterMathML( + elementName, attributes); + selfClosing = false; + } else { + appendToCurrentNodeAndPushElementMayFosterMathML( + elementName, attributes); + } + attributes = null; // CPP + break starttagloop; + } + } // switch + } // foreignObject / annotation-xml + } + switch (mode) { + case IN_TEMPLATE: + switch (group) { + case COL: + popTemplateMode(); + pushTemplateMode(IN_COLUMN_GROUP); + mode = IN_COLUMN_GROUP; + // Reprocess token. + continue; + case CAPTION: + case COLGROUP: + case TBODY_OR_THEAD_OR_TFOOT: + popTemplateMode(); + pushTemplateMode(IN_TABLE); + mode = IN_TABLE; + // Reprocess token. + continue; + case TR: + popTemplateMode(); + pushTemplateMode(IN_TABLE_BODY); + mode = IN_TABLE_BODY; + // Reprocess token. + continue; + case TD_OR_TH: + popTemplateMode(); + pushTemplateMode(IN_ROW); + mode = IN_ROW; + // Reprocess token. + continue; + case META: + checkMetaCharset(attributes); + appendVoidElementToCurrentMayFoster( + elementName, + attributes); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + attributes = null; // CPP + break starttagloop; + case TITLE: + startTagTitleInHead(elementName, attributes); + attributes = null; // CPP + break starttagloop; + case BASE: + case LINK_OR_BASEFONT_OR_BGSOUND: + appendVoidElementToCurrentMayFoster( + elementName, + attributes); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + attributes = null; // CPP + break starttagloop; + case SCRIPT: + startTagScriptInHead(elementName, attributes); + attributes = null; // CPP + break starttagloop; + case NOFRAMES: + case STYLE: + startTagGenericRawText(elementName, attributes); + attributes = null; // CPP + break starttagloop; + case TEMPLATE: + startTagTemplateInHead(elementName, attributes); + attributes = null; // CPP + break starttagloop; + default: + popTemplateMode(); + pushTemplateMode(IN_BODY); + mode = IN_BODY; + // Reprocess token. + continue; + } + case IN_ROW: + switch (group) { + case TD_OR_TH: + clearStackBackTo(findLastOrRoot(TreeBuilder.TR)); + appendToCurrentNodeAndPushElement( + elementName, + attributes); + mode = IN_CELL; + insertMarker(); + attributes = null; // CPP + break starttagloop; + case CAPTION: + case COL: + case COLGROUP: + case TBODY_OR_THEAD_OR_TFOOT: + case TR: + eltPos = findLastOrRoot(TreeBuilder.TR); + if (eltPos == 0) { + assert fragment || isTemplateContents(); + errNoTableRowToClose(); + break starttagloop; + } + clearStackBackTo(eltPos); + pop(); + mode = IN_TABLE_BODY; + continue; + default: + // fall through to IN_TABLE + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_TABLE_BODY: + switch (group) { + case TR: + clearStackBackTo(findLastInTableScopeOrRootTemplateTbodyTheadTfoot()); + appendToCurrentNodeAndPushElement( + elementName, + attributes); + mode = IN_ROW; + attributes = null; // CPP + break starttagloop; + case TD_OR_TH: + errStartTagInTableBody(name); + clearStackBackTo(findLastInTableScopeOrRootTemplateTbodyTheadTfoot()); + appendToCurrentNodeAndPushElement( + ElementName.TR, + HtmlAttributes.EMPTY_ATTRIBUTES); + mode = IN_ROW; + continue; + case CAPTION: + case COL: + case COLGROUP: + case TBODY_OR_THEAD_OR_TFOOT: + eltPos = findLastInTableScopeOrRootTemplateTbodyTheadTfoot(); + if (eltPos == 0 || stack[eltPos].getGroup() == TEMPLATE) { + assert fragment || isTemplateContents(); + errStrayStartTag(name); + break starttagloop; + } else { + clearStackBackTo(eltPos); + pop(); + mode = IN_TABLE; + continue; + } + default: + // fall through to IN_TABLE + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_TABLE: + intableloop: for (;;) { + switch (group) { + case CAPTION: + clearStackBackTo(findLastOrRoot(TreeBuilder.TABLE)); + insertMarker(); + appendToCurrentNodeAndPushElement( + elementName, + attributes); + mode = IN_CAPTION; + attributes = null; // CPP + break starttagloop; + case COLGROUP: + clearStackBackTo(findLastOrRoot(TreeBuilder.TABLE)); + appendToCurrentNodeAndPushElement( + elementName, + attributes); + mode = IN_COLUMN_GROUP; + attributes = null; // CPP + break starttagloop; + case COL: + clearStackBackTo(findLastOrRoot(TreeBuilder.TABLE)); + appendToCurrentNodeAndPushElement( + ElementName.COLGROUP, + HtmlAttributes.EMPTY_ATTRIBUTES); + mode = IN_COLUMN_GROUP; + continue starttagloop; + case TBODY_OR_THEAD_OR_TFOOT: + clearStackBackTo(findLastOrRoot(TreeBuilder.TABLE)); + appendToCurrentNodeAndPushElement( + elementName, + attributes); + mode = IN_TABLE_BODY; + attributes = null; // CPP + break starttagloop; + case TR: + case TD_OR_TH: + clearStackBackTo(findLastOrRoot(TreeBuilder.TABLE)); + appendToCurrentNodeAndPushElement( + ElementName.TBODY, + HtmlAttributes.EMPTY_ATTRIBUTES); + mode = IN_TABLE_BODY; + continue starttagloop; + case TEMPLATE: + // fall through to IN_HEAD + break intableloop; + case TABLE: + errTableSeenWhileTableOpen(); + eltPos = findLastInTableScope(name); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + assert fragment || isTemplateContents(); + break starttagloop; + } + generateImpliedEndTags(); + if (errorHandler != null && !isCurrent("table")) { + errNoCheckUnclosedElementsOnStack(); + } + while (currentPtr >= eltPos) { + pop(); + } + resetTheInsertionMode(); + continue starttagloop; + case SCRIPT: + // XXX need to manage much more stuff + // here if + // supporting + // document.write() + appendToCurrentNodeAndPushElement( + elementName, + attributes); + originalMode = mode; + mode = TEXT; + tokenizer.setStateAndEndTagExpectation( + Tokenizer.SCRIPT_DATA, elementName); + attributes = null; // CPP + break starttagloop; + case STYLE: + appendToCurrentNodeAndPushElement( + elementName, + attributes); + originalMode = mode; + mode = TEXT; + tokenizer.setStateAndEndTagExpectation( + Tokenizer.RAWTEXT, elementName); + attributes = null; // CPP + break starttagloop; + case INPUT: + errStartTagInTable(name); + if (!Portability.lowerCaseLiteralEqualsIgnoreAsciiCaseString( + "hidden", + attributes.getValue(AttributeName.TYPE))) { + break intableloop; + } + appendVoidInputToCurrent( + attributes, + formPointer); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + attributes = null; // CPP + break starttagloop; + case FORM: + if (formPointer != null || isTemplateContents()) { + errFormWhenFormOpen(); + break starttagloop; + } else { + errStartTagInTable(name); + appendVoidFormToCurrent(attributes); + attributes = null; // CPP + break starttagloop; + } + default: + errStartTagInTable(name); + // fall through to IN_BODY + break intableloop; + } + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_CAPTION: + switch (group) { + case CAPTION: + case COL: + case COLGROUP: + case TBODY_OR_THEAD_OR_TFOOT: + case TR: + case TD_OR_TH: + eltPos = findLastInTableScope("caption"); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + assert fragment || isTemplateContents(); + errStrayStartTag(name); + break starttagloop; + } + generateImpliedEndTags(); + if (errorHandler != null && currentPtr != eltPos) { + errNoCheckUnclosedElementsOnStack(); + } + while (currentPtr >= eltPos) { + pop(); + } + clearTheListOfActiveFormattingElementsUpToTheLastMarker(); + mode = IN_TABLE; + continue; + default: + // fall through to IN_BODY + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_CELL: + switch (group) { + case CAPTION: + case COL: + case COLGROUP: + case TBODY_OR_THEAD_OR_TFOOT: + case TR: + case TD_OR_TH: + eltPos = findLastInTableScopeTdTh(); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + errNoCellToClose(); + break starttagloop; + } else { + closeTheCell(eltPos); + continue; + } + default: + // fall through to IN_BODY + } + // CPPONLY: MOZ_FALLTHROUGH; + case FRAMESET_OK: + switch (group) { + case FRAMESET: + if (mode == FRAMESET_OK) { + if (currentPtr == 0 || stack[1].getGroup() != BODY) { + assert fragment || isTemplateContents(); + errStrayStartTag(name); + break starttagloop; + } else { + errFramesetStart(); + detachFromParent(stack[1].node); + while (currentPtr > 0) { + pop(); + } + appendToCurrentNodeAndPushElement( + elementName, + attributes); + mode = IN_FRAMESET; + attributes = null; // CPP + break starttagloop; + } + } else { + errStrayStartTag(name); + break starttagloop; + } + // NOT falling through! + case PRE_OR_LISTING: + case LI: + case DD_OR_DT: + case BUTTON: + case MARQUEE_OR_APPLET: + case OBJECT: + case TABLE: + case AREA_OR_WBR: + case KEYGEN: + case BR: + case EMBED: + case IMG: + case INPUT: + case HR: + case TEXTAREA: + case XMP: + case IFRAME: + case SELECT: + if (mode == FRAMESET_OK + && !(group == INPUT && Portability.lowerCaseLiteralEqualsIgnoreAsciiCaseString( + "hidden", + attributes.getValue(AttributeName.TYPE)))) { + framesetOk = false; + mode = IN_BODY; + } + // CPPONLY: MOZ_FALLTHROUGH; + default: + // fall through to IN_BODY + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_BODY: + inbodyloop: for (;;) { + switch (group) { + case HTML: + errStrayStartTag(name); + if (!fragment && !isTemplateContents()) { + addAttributesToHtml(attributes); + attributes = null; // CPP + } + break starttagloop; + case BASE: + case LINK_OR_BASEFONT_OR_BGSOUND: + case META: + case STYLE: + case SCRIPT: + case TITLE: + case TEMPLATE: + // Fall through to IN_HEAD + break inbodyloop; + case BODY: + if (currentPtr == 0 || stack[1].getGroup() != BODY || isTemplateContents()) { + assert fragment || isTemplateContents(); + errStrayStartTag(name); + break starttagloop; + } + errFooSeenWhenFooOpen(name); + framesetOk = false; + if (mode == FRAMESET_OK) { + mode = IN_BODY; + } + if (addAttributesToBody(attributes)) { + attributes = null; // CPP + } + break starttagloop; + case P: + case DIV_OR_BLOCKQUOTE_OR_CENTER_OR_MENU: + case UL_OR_OL_OR_DL: + case ADDRESS_OR_ARTICLE_OR_ASIDE_OR_DETAILS_OR_DIALOG_OR_DIR_OR_FIGCAPTION_OR_FIGURE_OR_FOOTER_OR_HEADER_OR_HGROUP_OR_MAIN_OR_NAV_OR_SEARCH_OR_SECTION_OR_SUMMARY: + implicitlyCloseP(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + case H1_OR_H2_OR_H3_OR_H4_OR_H5_OR_H6: + implicitlyCloseP(); + if (stack[currentPtr].getGroup() == H1_OR_H2_OR_H3_OR_H4_OR_H5_OR_H6) { + errHeadingWhenHeadingOpen(); + pop(); + } + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + case FIELDSET: + implicitlyCloseP(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes, formPointer); + attributes = null; // CPP + break starttagloop; + case PRE_OR_LISTING: + implicitlyCloseP(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + needToDropLF = true; + attributes = null; // CPP + break starttagloop; + case FORM: + if (formPointer != null && !isTemplateContents()) { + errFormWhenFormOpen(); + break starttagloop; + } else { + implicitlyCloseP(); + appendToCurrentNodeAndPushFormElementMayFoster(attributes); + attributes = null; // CPP + break starttagloop; + } + case LI: + case DD_OR_DT: + eltPos = currentPtr; + for (;;) { + StackNode<T> node = stack[eltPos]; // weak + // ref + if (node.getGroup() == group) { // LI or + // DD_OR_DT + generateImpliedEndTagsExceptFor(node.name); + if (errorHandler != null + && eltPos != currentPtr) { + errUnclosedElementsImplied(eltPos, name); + } + while (currentPtr >= eltPos) { + pop(); + } + break; + } else if (eltPos == 0 || (node.isSpecial() + && (node.ns != "http://www.w3.org/1999/xhtml" + || (node.name != "p" + && node.name != "address" + && node.name != "div")))) { + break; + } + eltPos--; + } + implicitlyCloseP(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + case PLAINTEXT: + implicitlyCloseP(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + tokenizer.setStateAndEndTagExpectation( + Tokenizer.PLAINTEXT, elementName); + attributes = null; // CPP + break starttagloop; + case A: + int activeAPos = findInListOfActiveFormattingElementsContainsBetweenEndAndLastMarker("a"); + if (activeAPos != -1) { + errFooSeenWhenFooOpen(name); + StackNode<T> activeA = listOfActiveFormattingElements[activeAPos]; + activeA.retain(); + adoptionAgencyEndTag("a"); + removeFromStack(activeA); + activeAPos = findInListOfActiveFormattingElements(activeA); + if (activeAPos != -1) { + removeFromListOfActiveFormattingElements(activeAPos); + } + activeA.release(this); + } + reconstructTheActiveFormattingElements(); + appendToCurrentNodeAndPushFormattingElementMayFoster( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + case B_OR_BIG_OR_CODE_OR_EM_OR_I_OR_S_OR_SMALL_OR_STRIKE_OR_STRONG_OR_TT_OR_U: + case FONT: + reconstructTheActiveFormattingElements(); + maybeForgetEarlierDuplicateFormattingElement(elementName.getName(), attributes); + appendToCurrentNodeAndPushFormattingElementMayFoster( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + case NOBR: + reconstructTheActiveFormattingElements(); + if (TreeBuilder.NOT_FOUND_ON_STACK != findLastInScope("nobr")) { + errFooSeenWhenFooOpen(name); + adoptionAgencyEndTag("nobr"); + reconstructTheActiveFormattingElements(); + } + appendToCurrentNodeAndPushFormattingElementMayFoster( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + case BUTTON: + eltPos = findLastInScope(name); + if (eltPos != TreeBuilder.NOT_FOUND_ON_STACK) { + errFooSeenWhenFooOpen(name); + generateImpliedEndTags(); + if (errorHandler != null + && !isCurrent(name)) { + errUnclosedElementsImplied(eltPos, name); + } + while (currentPtr >= eltPos) { + pop(); + } + continue starttagloop; + } else { + reconstructTheActiveFormattingElements(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes, formPointer); + attributes = null; // CPP + break starttagloop; + } + case OBJECT: + reconstructTheActiveFormattingElements(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes, formPointer); + insertMarker(); + attributes = null; // CPP + break starttagloop; + case MARQUEE_OR_APPLET: + reconstructTheActiveFormattingElements(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + insertMarker(); + attributes = null; // CPP + break starttagloop; + case TABLE: + // The only quirk. Blame Hixie and + // Acid2. + if (!quirks) { + implicitlyCloseP(); + } + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + mode = IN_TABLE; + attributes = null; // CPP + break starttagloop; + case BR: + case EMBED: + case AREA_OR_WBR: + case KEYGEN: + reconstructTheActiveFormattingElements(); + // FALL THROUGH to PARAM_OR_SOURCE_OR_TRACK + // CPPONLY: MOZ_FALLTHROUGH; + case PARAM_OR_SOURCE_OR_TRACK: + appendVoidElementToCurrentMayFoster( + elementName, + attributes); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + attributes = null; // CPP + break starttagloop; + case HR: + implicitlyCloseP(); + appendVoidElementToCurrentMayFoster( + elementName, + attributes); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + attributes = null; // CPP + break starttagloop; + case IMAGE: + errImage(); + elementName = ElementName.IMG; + continue starttagloop; + case IMG: + case INPUT: + reconstructTheActiveFormattingElements(); + appendVoidElementToCurrentMayFoster( + elementName, attributes, + formPointer); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + attributes = null; // CPP + break starttagloop; + case TEXTAREA: + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes, formPointer); + tokenizer.setStateAndEndTagExpectation( + Tokenizer.RCDATA, elementName); + originalMode = mode; + mode = TEXT; + needToDropLF = true; + attributes = null; // CPP + break starttagloop; + case XMP: + implicitlyCloseP(); + reconstructTheActiveFormattingElements(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + originalMode = mode; + mode = TEXT; + tokenizer.setStateAndEndTagExpectation( + Tokenizer.RAWTEXT, elementName); + attributes = null; // CPP + break starttagloop; + case NOSCRIPT: + if (!scriptingEnabled) { + reconstructTheActiveFormattingElements(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + } + // CPPONLY: MOZ_FALLTHROUGH; + case NOFRAMES: + case IFRAME: + case NOEMBED: + startTagGenericRawText(elementName, attributes); + attributes = null; // CPP + break starttagloop; + case SELECT: + reconstructTheActiveFormattingElements(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes, formPointer); + switch (mode) { + case IN_TABLE: + case IN_CAPTION: + case IN_COLUMN_GROUP: + case IN_TABLE_BODY: + case IN_ROW: + case IN_CELL: + mode = IN_SELECT_IN_TABLE; + break; + default: + mode = IN_SELECT; + break; + } + attributes = null; // CPP + break starttagloop; + case OPTGROUP: + case OPTION: + if (isCurrent("option")) { + pop(); + } + reconstructTheActiveFormattingElements(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + case RB_OR_RTC: + eltPos = findLastInScope("ruby"); + if (eltPos != NOT_FOUND_ON_STACK) { + generateImpliedEndTags(); + } + if (eltPos != currentPtr) { + if (eltPos == NOT_FOUND_ON_STACK) { + errStartTagSeenWithoutRuby(name); + } else { + errUnclosedChildrenInRuby(); + } + } + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + case RT_OR_RP: + eltPos = findLastInScope("ruby"); + if (eltPos != NOT_FOUND_ON_STACK) { + generateImpliedEndTagsExceptFor("rtc"); + } + if (eltPos != currentPtr) { + if (!isCurrent("rtc")) { + if (eltPos == NOT_FOUND_ON_STACK) { + errStartTagSeenWithoutRuby(name); + } else { + errUnclosedChildrenInRuby(); + } + } + } + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + case MATH: + reconstructTheActiveFormattingElements(); + attributes.adjustForMath(); + if (selfClosing) { + appendVoidElementToCurrentMayFosterMathML( + elementName, attributes); + selfClosing = false; + } else { + appendToCurrentNodeAndPushElementMayFosterMathML( + elementName, attributes); + } + attributes = null; // CPP + break starttagloop; + case SVG: + reconstructTheActiveFormattingElements(); + attributes.adjustForSvg(); + if (selfClosing) { + appendVoidElementToCurrentMayFosterSVG( + elementName, + attributes); + selfClosing = false; + } else { + appendToCurrentNodeAndPushElementMayFosterSVG( + elementName, attributes); + } + attributes = null; // CPP + break starttagloop; + case CAPTION: + case COL: + case COLGROUP: + case TBODY_OR_THEAD_OR_TFOOT: + case TR: + case TD_OR_TH: + case FRAME: + case FRAMESET: + case HEAD: + errStrayStartTag(name); + break starttagloop; + case OUTPUT: + reconstructTheActiveFormattingElements(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes, formPointer); + attributes = null; // CPP + break starttagloop; + default: + reconstructTheActiveFormattingElements(); + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + } + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_HEAD: + inheadloop: for (;;) { + switch (group) { + case HTML: + errStrayStartTag(name); + if (!fragment && !isTemplateContents()) { + addAttributesToHtml(attributes); + attributes = null; // CPP + } + break starttagloop; + case BASE: + case LINK_OR_BASEFONT_OR_BGSOUND: + appendVoidElementToCurrentMayFoster( + elementName, + attributes); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + attributes = null; // CPP + break starttagloop; + case META: + // Fall through to IN_HEAD_NOSCRIPT + break inheadloop; + case TITLE: + startTagTitleInHead(elementName, attributes); + attributes = null; // CPP + break starttagloop; + case NOSCRIPT: + if (scriptingEnabled) { + appendToCurrentNodeAndPushElement( + elementName, + attributes); + originalMode = mode; + mode = TEXT; + tokenizer.setStateAndEndTagExpectation( + Tokenizer.RAWTEXT, elementName); + } else { + appendToCurrentNodeAndPushElementMayFoster( + elementName, + attributes); + mode = IN_HEAD_NOSCRIPT; + } + attributes = null; // CPP + break starttagloop; + case SCRIPT: + startTagScriptInHead(elementName, attributes); + attributes = null; // CPP + break starttagloop; + case STYLE: + case NOFRAMES: + startTagGenericRawText(elementName, attributes); + attributes = null; // CPP + break starttagloop; + case HEAD: + /* Parse error. */ + errFooSeenWhenFooOpen(name); + /* Ignore the token. */ + break starttagloop; + case TEMPLATE: + startTagTemplateInHead(elementName, attributes); + attributes = null; // CPP + break starttagloop; + default: + pop(); + mode = AFTER_HEAD; + continue starttagloop; + } + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_HEAD_NOSCRIPT: + switch (group) { + case HTML: + // XXX did Hixie really mean to omit "base" + // here? + errStrayStartTag(name); + if (!fragment && !isTemplateContents()) { + addAttributesToHtml(attributes); + attributes = null; // CPP + } + break starttagloop; + case LINK_OR_BASEFONT_OR_BGSOUND: + appendVoidElementToCurrentMayFoster( + elementName, + attributes); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + attributes = null; // CPP + break starttagloop; + case META: + checkMetaCharset(attributes); + appendVoidElementToCurrentMayFoster( + elementName, + attributes); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + attributes = null; // CPP + break starttagloop; + case STYLE: + case NOFRAMES: + appendToCurrentNodeAndPushElement( + elementName, + attributes); + originalMode = mode; + mode = TEXT; + tokenizer.setStateAndEndTagExpectation( + Tokenizer.RAWTEXT, elementName); + attributes = null; // CPP + break starttagloop; + case HEAD: + errFooSeenWhenFooOpen(name); + break starttagloop; + case NOSCRIPT: + errFooSeenWhenFooOpen(name); + break starttagloop; + default: + errBadStartTagInNoscriptInHead(name); + pop(); + mode = IN_HEAD; + continue; + } + case IN_COLUMN_GROUP: + switch (group) { + case HTML: + errStrayStartTag(name); + if (!fragment && !isTemplateContents()) { + addAttributesToHtml(attributes); + attributes = null; // CPP + } + break starttagloop; + case COL: + appendVoidElementToCurrentMayFoster( + elementName, + attributes); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + attributes = null; // CPP + break starttagloop; + case TEMPLATE: + startTagTemplateInHead(elementName, attributes); + attributes = null; // CPP + break starttagloop; + default: + if (currentPtr == 0 || stack[currentPtr].getGroup() == TEMPLATE) { + assert fragment || isTemplateContents(); + errGarbageInColgroup(); + break starttagloop; + } + pop(); + mode = IN_TABLE; + continue; + } + case IN_SELECT_IN_TABLE: + switch (group) { + case CAPTION: + case TBODY_OR_THEAD_OR_TFOOT: + case TR: + case TD_OR_TH: + case TABLE: + errStartTagWithSelectOpen(name); + eltPos = findLastInTableScope("select"); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + assert fragment; + break starttagloop; // http://www.w3.org/Bugs/Public/show_bug.cgi?id=8375 + } + while (currentPtr >= eltPos) { + pop(); + } + resetTheInsertionMode(); + continue; + default: + // fall through to IN_SELECT + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_SELECT: + switch (group) { + case HTML: + errStrayStartTag(name); + if (!fragment) { + addAttributesToHtml(attributes); + attributes = null; // CPP + } + break starttagloop; + case OPTION: + if (isCurrent("option")) { + pop(); + } + appendToCurrentNodeAndPushElement( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + case OPTGROUP: + if (isCurrent("option")) { + pop(); + } + if (isCurrent("optgroup")) { + pop(); + } + appendToCurrentNodeAndPushElement( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + case SELECT: + errStartSelectWhereEndSelectExpected(); + eltPos = findLastInTableScope(name); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + assert fragment; + errNoSelectInTableScope(); + break starttagloop; + } else { + while (currentPtr >= eltPos) { + pop(); + } + resetTheInsertionMode(); + break starttagloop; + } + case INPUT: + case TEXTAREA: + errStartTagWithSelectOpen(name); + eltPos = findLastInTableScope("select"); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + assert fragment; + break starttagloop; + } + while (currentPtr >= eltPos) { + pop(); + } + resetTheInsertionMode(); + continue; + case SCRIPT: + startTagScriptInHead(elementName, attributes); + attributes = null; // CPP + break starttagloop; + case TEMPLATE: + startTagTemplateInHead(elementName, attributes); + attributes = null; // CPP + break starttagloop; + case HR: + if (isCurrent("option")) { + pop(); + } + if (isCurrent("optgroup")) { + pop(); + } + appendVoidElementToCurrent(elementName, attributes); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + attributes = null; // CPP + break starttagloop; + default: + errStrayStartTag(name); + break starttagloop; + } + case AFTER_BODY: + switch (group) { + case HTML: + errStrayStartTag(name); + if (!fragment && !isTemplateContents()) { + addAttributesToHtml(attributes); + attributes = null; // CPP + } + break starttagloop; + default: + errStrayStartTag(name); + mode = framesetOk ? FRAMESET_OK : IN_BODY; + continue; + } + case IN_FRAMESET: + switch (group) { + case FRAMESET: + appendToCurrentNodeAndPushElement( + elementName, + attributes); + attributes = null; // CPP + break starttagloop; + case FRAME: + appendVoidElementToCurrentMayFoster( + elementName, + attributes); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + attributes = null; // CPP + break starttagloop; + default: + // fall through to AFTER_FRAMESET + } + // CPPONLY: MOZ_FALLTHROUGH; + case AFTER_FRAMESET: + switch (group) { + case HTML: + errStrayStartTag(name); + if (!fragment && !isTemplateContents()) { + addAttributesToHtml(attributes); + attributes = null; // CPP + } + break starttagloop; + case NOFRAMES: + appendToCurrentNodeAndPushElement( + elementName, + attributes); + originalMode = mode; + mode = TEXT; + tokenizer.setStateAndEndTagExpectation( + Tokenizer.RAWTEXT, elementName); + attributes = null; // CPP + break starttagloop; + default: + errStrayStartTag(name); + break starttagloop; + } + case INITIAL: + /* + * Parse error. + */ + errStartTagWithoutDoctype(); + /* + * + * Set the document to quirks mode. + */ + documentModeInternal(DocumentMode.QUIRKS_MODE, null, null); + /* + * Then, switch to the root element mode of the tree + * construction stage + */ + mode = BEFORE_HTML; + /* + * and reprocess the current token. + */ + continue; + case BEFORE_HTML: + switch (group) { + case HTML: + // optimize error check and streaming SAX by + // hoisting + // "html" handling here. + if (attributes == HtmlAttributes.EMPTY_ATTRIBUTES) { + // This has the right magic side effect + // that + // it + // makes attributes in SAX Tree mutable. + appendHtmlElementToDocumentAndPush(); + } else { + appendHtmlElementToDocumentAndPush(attributes); + } + // XXX application cache should fire here + mode = BEFORE_HEAD; + attributes = null; // CPP + break starttagloop; + default: + /* + * Create an HTMLElement node with the tag name + * html, in the HTML namespace. Append it to the + * Document object. + */ + appendHtmlElementToDocumentAndPush(); + /* Switch to the main mode */ + mode = BEFORE_HEAD; + /* + * reprocess the current token. + */ + continue; + } + case BEFORE_HEAD: + switch (group) { + case HTML: + errStrayStartTag(name); + if (!fragment && !isTemplateContents()) { + addAttributesToHtml(attributes); + attributes = null; // CPP + } + break starttagloop; + case HEAD: + /* + * A start tag whose tag name is "head" + * + * Create an element for the token. + * + * Set the head element pointer to this new element + * node. + * + * Append the new element to the current node and + * push it onto the stack of open elements. + */ + appendToCurrentNodeAndPushHeadElement(attributes); + /* + * Change the insertion mode to "in head". + */ + mode = IN_HEAD; + attributes = null; // CPP + break starttagloop; + default: + /* + * Any other start tag token + * + * Act as if a start tag token with the tag name + * "head" and no attributes had been seen, + */ + appendToCurrentNodeAndPushHeadElement(HtmlAttributes.EMPTY_ATTRIBUTES); + mode = IN_HEAD; + /* + * then reprocess the current token. + * + * This will result in an empty head element being + * generated, with the current token being + * reprocessed in the "after head" insertion mode. + */ + continue; + } + case AFTER_HEAD: + switch (group) { + case HTML: + errStrayStartTag(name); + if (!fragment && !isTemplateContents()) { + addAttributesToHtml(attributes); + attributes = null; // CPP + } + break starttagloop; + case BODY: + if (attributes.getLength() == 0) { + // This has the right magic side effect + // that + // it + // makes attributes in SAX Tree mutable. + appendToCurrentNodeAndPushBodyElement(); + } else { + appendToCurrentNodeAndPushBodyElement(attributes); + } + framesetOk = false; + mode = IN_BODY; + attributes = null; // CPP + break starttagloop; + case FRAMESET: + appendToCurrentNodeAndPushElement( + elementName, + attributes); + mode = IN_FRAMESET; + attributes = null; // CPP + break starttagloop; + case TEMPLATE: + errFooBetweenHeadAndBody(name); + pushHeadPointerOntoStack(); + StackNode<T> headOnStack = stack[currentPtr]; + startTagTemplateInHead(elementName, attributes); + removeFromStack(headOnStack); + attributes = null; // CPP + break starttagloop; + case BASE: + case LINK_OR_BASEFONT_OR_BGSOUND: + errFooBetweenHeadAndBody(name); + pushHeadPointerOntoStack(); + appendVoidElementToCurrentMayFoster( + elementName, + attributes); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + pop(); // head + attributes = null; // CPP + break starttagloop; + case META: + errFooBetweenHeadAndBody(name); + checkMetaCharset(attributes); + pushHeadPointerOntoStack(); + appendVoidElementToCurrentMayFoster( + elementName, + attributes); + selfClosing = false; + // [NOCPP[ + voidElement = true; + // ]NOCPP] + pop(); // head + attributes = null; // CPP + break starttagloop; + case SCRIPT: + errFooBetweenHeadAndBody(name); + pushHeadPointerOntoStack(); + appendToCurrentNodeAndPushElement( + elementName, + attributes); + originalMode = mode; + mode = TEXT; + tokenizer.setStateAndEndTagExpectation( + Tokenizer.SCRIPT_DATA, elementName); + attributes = null; // CPP + break starttagloop; + case STYLE: + case NOFRAMES: + errFooBetweenHeadAndBody(name); + pushHeadPointerOntoStack(); + appendToCurrentNodeAndPushElement( + elementName, + attributes); + originalMode = mode; + mode = TEXT; + tokenizer.setStateAndEndTagExpectation( + Tokenizer.RAWTEXT, elementName); + attributes = null; // CPP + break starttagloop; + case TITLE: + errFooBetweenHeadAndBody(name); + pushHeadPointerOntoStack(); + appendToCurrentNodeAndPushElement( + elementName, + attributes); + originalMode = mode; + mode = TEXT; + tokenizer.setStateAndEndTagExpectation( + Tokenizer.RCDATA, elementName); + attributes = null; // CPP + break starttagloop; + case HEAD: + errStrayStartTag(name); + break starttagloop; + default: + appendToCurrentNodeAndPushBodyElement(); + mode = FRAMESET_OK; + continue; + } + case AFTER_AFTER_BODY: + switch (group) { + case HTML: + errStrayStartTag(name); + if (!fragment && !isTemplateContents()) { + addAttributesToHtml(attributes); + attributes = null; // CPP + } + break starttagloop; + default: + errStrayStartTag(name); + fatal(); + mode = framesetOk ? FRAMESET_OK : IN_BODY; + continue; + } + case AFTER_AFTER_FRAMESET: + switch (group) { + case HTML: + errStrayStartTag(name); + if (!fragment && !isTemplateContents()) { + addAttributesToHtml(attributes); + attributes = null; // CPP + } + break starttagloop; + case NOFRAMES: + startTagGenericRawText(elementName, attributes); + attributes = null; // CPP + break starttagloop; + default: + errStrayStartTag(name); + break starttagloop; + } + case TEXT: + assert false; + break starttagloop; // Avoid infinite loop if the assertion + // fails + } + } + if (selfClosing) { + errSelfClosing(); + // [NOCPP[ + } else if (wasSelfClosing && voidElement + && tokenizer.getErrorProfile() != null + && tokenizer.getErrorProfile().get("html-strict") != null) { + warn("Trailing slash on void elements has no effect and interacts" + + " badly with unquoted attribute values."); + // ]NOCPP] + } + // CPPONLY: if (mBuilder == null && attributes != HtmlAttributes.EMPTY_ATTRIBUTES) { + // CPPONLY: Portability.delete(attributes); + // CPPONLY: } + } + + private void startTagTitleInHead(ElementName elementName, HtmlAttributes attributes) throws SAXException { + appendToCurrentNodeAndPushElementMayFoster(elementName, attributes); + originalMode = mode; + mode = TEXT; + tokenizer.setStateAndEndTagExpectation(Tokenizer.RCDATA, elementName); + } + + private void startTagGenericRawText(ElementName elementName, HtmlAttributes attributes) throws SAXException { + appendToCurrentNodeAndPushElementMayFoster(elementName, attributes); + originalMode = mode; + mode = TEXT; + tokenizer.setStateAndEndTagExpectation(Tokenizer.RAWTEXT, elementName); + } + + private void startTagScriptInHead(ElementName elementName, HtmlAttributes attributes) throws SAXException { + // XXX need to manage much more stuff here if supporting document.write() + appendToCurrentNodeAndPushElementMayFoster(elementName, attributes); + originalMode = mode; + mode = TEXT; + tokenizer.setStateAndEndTagExpectation(Tokenizer.SCRIPT_DATA, elementName); + } + + private void startTagTemplateInHead(ElementName elementName, HtmlAttributes attributes) throws SAXException { + appendToCurrentNodeAndPushElement(elementName, attributes); + insertMarker(); + framesetOk = false; + originalMode = mode; + mode = IN_TEMPLATE; + pushTemplateMode(IN_TEMPLATE); + } + + private boolean isTemplateContents() { + return TreeBuilder.NOT_FOUND_ON_STACK != findLast("template"); + } + + private boolean isTemplateModeStackEmpty() { + return templateModePtr == -1; + } + + private boolean isSpecialParentInForeign(StackNode<T> stackNode) { + @NsUri String ns = stackNode.ns; + return ("http://www.w3.org/1999/xhtml" == ns) + || (stackNode.isHtmlIntegrationPoint()) + || (("http://www.w3.org/1998/Math/MathML" == ns) && (stackNode.getGroup() == MI_MO_MN_MS_MTEXT)); + } + + private T getDeclarativeShadowRoot(T currentNode, T templateNode, HtmlAttributes attributes) { + if (!isAllowDeclarativeShadowRoots()) { + return null; + } + + String shadowRootMode = attributes.getValue(AttributeName.SHADOWROOTMODE); + if (shadowRootMode == null) { + return null; + } + + boolean shadowRootDelegatesFocus = attributes.contains(AttributeName.SHADOWROOTDELEGATESFOCUS); + return getShadowRootFromHost(currentNode, templateNode, shadowRootMode, shadowRootDelegatesFocus); + } + + /** + * + * <p> + * C++ memory note: The return value must be released. + * + * @return + * @throws SAXException + * @throws StopSniffingException + */ + public static String extractCharsetFromContent(String attributeValue + // CPPONLY: , TreeBuilder tb + ) { + // This is a bit ugly. Converting the string to char array in order to + // make the portability layer smaller. + int charsetState = CHARSET_INITIAL; + int start = -1; + int end = -1; + @Auto char[] buffer = Portability.newCharArrayFromString(attributeValue); + + charsetloop: for (int i = 0; i < buffer.length; i++) { + char c = buffer[i]; + switch (charsetState) { + case CHARSET_INITIAL: + switch (c) { + case 'c': + case 'C': + charsetState = CHARSET_C; + continue; + default: + continue; + } + case CHARSET_C: + switch (c) { + case 'h': + case 'H': + charsetState = CHARSET_H; + continue; + default: + charsetState = CHARSET_INITIAL; + continue; + } + case CHARSET_H: + switch (c) { + case 'a': + case 'A': + charsetState = CHARSET_A; + continue; + default: + charsetState = CHARSET_INITIAL; + continue; + } + case CHARSET_A: + switch (c) { + case 'r': + case 'R': + charsetState = CHARSET_R; + continue; + default: + charsetState = CHARSET_INITIAL; + continue; + } + case CHARSET_R: + switch (c) { + case 's': + case 'S': + charsetState = CHARSET_S; + continue; + default: + charsetState = CHARSET_INITIAL; + continue; + } + case CHARSET_S: + switch (c) { + case 'e': + case 'E': + charsetState = CHARSET_E; + continue; + default: + charsetState = CHARSET_INITIAL; + continue; + } + case CHARSET_E: + switch (c) { + case 't': + case 'T': + charsetState = CHARSET_T; + continue; + default: + charsetState = CHARSET_INITIAL; + continue; + } + case CHARSET_T: + switch (c) { + case '\t': + case '\n': + case '\u000C': + case '\r': + case ' ': + continue; + case '=': + charsetState = CHARSET_EQUALS; + continue; + default: + return null; + } + case CHARSET_EQUALS: + switch (c) { + case '\t': + case '\n': + case '\u000C': + case '\r': + case ' ': + continue; + case '\'': + start = i + 1; + charsetState = CHARSET_SINGLE_QUOTED; + continue; + case '\"': + start = i + 1; + charsetState = CHARSET_DOUBLE_QUOTED; + continue; + default: + start = i; + charsetState = CHARSET_UNQUOTED; + continue; + } + case CHARSET_SINGLE_QUOTED: + switch (c) { + case '\'': + end = i; + break charsetloop; + default: + continue; + } + case CHARSET_DOUBLE_QUOTED: + switch (c) { + case '\"': + end = i; + break charsetloop; + default: + continue; + } + case CHARSET_UNQUOTED: + switch (c) { + case '\t': + case '\n': + case '\u000C': + case '\r': + case ' ': + case ';': + end = i; + break charsetloop; + default: + continue; + } + } + } + if (start != -1) { + if (end == -1) { + if (charsetState == CHARSET_UNQUOTED) { + end = buffer.length; + } else { + return null; + } + } + return Portability.newStringFromBuffer(buffer, start, end + - start + // CPPONLY: , tb, false + ); + } + return null; + } + + private void checkMetaCharset(HtmlAttributes attributes) + throws SAXException { + String charset = attributes.getValue(AttributeName.CHARSET); + if (charset != null) { + if (tokenizer.internalEncodingDeclaration(charset)) { + requestSuspension(); + return; + } + return; + } + if (!Portability.lowerCaseLiteralEqualsIgnoreAsciiCaseString( + "content-type", + attributes.getValue(AttributeName.HTTP_EQUIV))) { + return; + } + String content = attributes.getValue(AttributeName.CONTENT); + if (content != null) { + String extract = TreeBuilder.extractCharsetFromContent(content + // CPPONLY: , this + ); + // remember not to return early without releasing the string + if (extract != null) { + if (tokenizer.internalEncodingDeclaration(extract)) { + requestSuspension(); + } + } + Portability.releaseString(extract); + } + } + + public final void endTag(ElementName elementName) throws SAXException { + flushCharacters(); + needToDropLF = false; + int eltPos; + int group = elementName.getGroup(); + @Local String name = elementName.getName(); + endtagloop: for (;;) { + if (isInForeign()) { + if (stack[currentPtr].name != name) { + if (currentPtr == 0) { + errStrayEndTag(name); + } else { + errEndTagDidNotMatchCurrentOpenElement(name, stack[currentPtr].popName); + } + } + eltPos = currentPtr; + int origPos = currentPtr; + for (;;) { + if (eltPos == 0) { + assert fragment: "We can get this close to the root of the stack in foreign content only in the fragment case."; + break endtagloop; + } + if (stack[eltPos].name == name) { + while (currentPtr >= eltPos) { + popForeign(origPos, eltPos); + } + break endtagloop; + } + if (stack[--eltPos].ns == "http://www.w3.org/1999/xhtml") { + break; + } + } + } + switch (mode) { + case IN_TEMPLATE: + switch (group) { + case TEMPLATE: + // fall through to IN_HEAD + break; + default: + errStrayEndTag(name); + break endtagloop; + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_ROW: + switch (group) { + case TR: + eltPos = findLastOrRoot(TreeBuilder.TR); + if (eltPos == 0) { + assert fragment || isTemplateContents(); + errNoTableRowToClose(); + break endtagloop; + } + clearStackBackTo(eltPos); + pop(); + mode = IN_TABLE_BODY; + break endtagloop; + case TABLE: + eltPos = findLastOrRoot(TreeBuilder.TR); + if (eltPos == 0) { + assert fragment || isTemplateContents(); + errNoTableRowToClose(); + break endtagloop; + } + clearStackBackTo(eltPos); + pop(); + mode = IN_TABLE_BODY; + continue; + case TBODY_OR_THEAD_OR_TFOOT: + if (findLastInTableScope(name) == TreeBuilder.NOT_FOUND_ON_STACK) { + errStrayEndTag(name); + break endtagloop; + } + eltPos = findLastOrRoot(TreeBuilder.TR); + if (eltPos == 0) { + assert fragment || isTemplateContents(); + errNoTableRowToClose(); + break endtagloop; + } + clearStackBackTo(eltPos); + pop(); + mode = IN_TABLE_BODY; + continue; + case BODY: + case CAPTION: + case COL: + case COLGROUP: + case HTML: + case TD_OR_TH: + errStrayEndTag(name); + break endtagloop; + default: + // fall through to IN_TABLE + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_TABLE_BODY: + switch (group) { + case TBODY_OR_THEAD_OR_TFOOT: + eltPos = findLastOrRoot(name); + if (eltPos == 0) { + errStrayEndTag(name); + break endtagloop; + } + clearStackBackTo(eltPos); + pop(); + mode = IN_TABLE; + break endtagloop; + case TABLE: + eltPos = findLastInTableScopeOrRootTemplateTbodyTheadTfoot(); + if (eltPos == 0 || stack[eltPos].getGroup() == TEMPLATE) { + assert fragment || isTemplateContents(); + errStrayEndTag(name); + break endtagloop; + } + clearStackBackTo(eltPos); + pop(); + mode = IN_TABLE; + continue; + case BODY: + case CAPTION: + case COL: + case COLGROUP: + case HTML: + case TD_OR_TH: + case TR: + errStrayEndTag(name); + break endtagloop; + default: + // fall through to IN_TABLE + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_TABLE: + switch (group) { + case TABLE: + eltPos = findLast("table"); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + assert fragment || isTemplateContents(); + errStrayEndTag(name); + break endtagloop; + } + while (currentPtr >= eltPos) { + pop(); + } + resetTheInsertionMode(); + break endtagloop; + case BODY: + case CAPTION: + case COL: + case COLGROUP: + case HTML: + case TBODY_OR_THEAD_OR_TFOOT: + case TD_OR_TH: + case TR: + errStrayEndTag(name); + break endtagloop; + case TEMPLATE: + // fall through to IN_HEAD + break; + default: + errStrayEndTag(name); + // fall through to IN_BODY + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_CAPTION: + switch (group) { + case CAPTION: + eltPos = findLastInTableScope("caption"); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + break endtagloop; + } + generateImpliedEndTags(); + if (errorHandler != null && currentPtr != eltPos) { + errUnclosedElements(eltPos, name); + } + while (currentPtr >= eltPos) { + pop(); + } + clearTheListOfActiveFormattingElementsUpToTheLastMarker(); + mode = IN_TABLE; + break endtagloop; + case TABLE: + eltPos = findLastInTableScope("caption"); + + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + assert fragment || isTemplateContents(); + errStrayEndTag(name); + break endtagloop; + } + generateImpliedEndTags(); + if (errorHandler != null && currentPtr != eltPos) { + errUnclosedElements(eltPos, name); + } + while (currentPtr >= eltPos) { + pop(); + } + clearTheListOfActiveFormattingElementsUpToTheLastMarker(); + mode = IN_TABLE; + continue; + case BODY: + case COL: + case COLGROUP: + case HTML: + case TBODY_OR_THEAD_OR_TFOOT: + case TD_OR_TH: + case TR: + errStrayEndTag(name); + break endtagloop; + default: + // fall through to IN_BODY + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_CELL: + switch (group) { + case TD_OR_TH: + eltPos = findLastInTableScope(name); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + errStrayEndTag(name); + break endtagloop; + } + generateImpliedEndTags(); + if (errorHandler != null && !isCurrent(name)) { + errUnclosedElements(eltPos, name); + } + while (currentPtr >= eltPos) { + pop(); + } + clearTheListOfActiveFormattingElementsUpToTheLastMarker(); + mode = IN_ROW; + break endtagloop; + case TABLE: + case TBODY_OR_THEAD_OR_TFOOT: + case TR: + if (findLastInTableScope(name) == TreeBuilder.NOT_FOUND_ON_STACK) { + assert name == "tbody" || name == "tfoot" || name == "thead" || fragment || isTemplateContents(); + errStrayEndTag(name); + break endtagloop; + } + closeTheCell(findLastInTableScopeTdTh()); + continue; + case BODY: + case CAPTION: + case COL: + case COLGROUP: + case HTML: + errStrayEndTag(name); + break endtagloop; + default: + // fall through to IN_BODY + } + // CPPONLY: MOZ_FALLTHROUGH; + case FRAMESET_OK: + case IN_BODY: + switch (group) { + case BODY: + if (!isSecondOnStackBody()) { + assert fragment || isTemplateContents(); + errStrayEndTag(name); + break endtagloop; + } + assert currentPtr >= 1; + if (errorHandler != null) { + uncloseloop1: for (int i = 2; i <= currentPtr; i++) { + switch (stack[i].getGroup()) { + case DD_OR_DT: + case LI: + case OPTGROUP: + case OPTION: // is this possible? + case P: + case RB_OR_RTC: + case RT_OR_RP: + case TD_OR_TH: + case TBODY_OR_THEAD_OR_TFOOT: + break; + default: + errEndWithUnclosedElements(name); + break uncloseloop1; + } + } + } + mode = AFTER_BODY; + break endtagloop; + case HTML: + if (!isSecondOnStackBody()) { + assert fragment || isTemplateContents(); + errStrayEndTag(name); + break endtagloop; + } + if (errorHandler != null) { + uncloseloop2: for (int i = 0; i <= currentPtr; i++) { + switch (stack[i].getGroup()) { + case DD_OR_DT: + case LI: + case P: + case RB_OR_RTC: + case RT_OR_RP: + case TBODY_OR_THEAD_OR_TFOOT: + case TD_OR_TH: + case BODY: + case HTML: + break; + default: + errEndWithUnclosedElements(name); + break uncloseloop2; + } + } + } + mode = AFTER_BODY; + continue; + case DIV_OR_BLOCKQUOTE_OR_CENTER_OR_MENU: + case UL_OR_OL_OR_DL: + case PRE_OR_LISTING: + case FIELDSET: + case BUTTON: + case ADDRESS_OR_ARTICLE_OR_ASIDE_OR_DETAILS_OR_DIALOG_OR_DIR_OR_FIGCAPTION_OR_FIGURE_OR_FOOTER_OR_HEADER_OR_HGROUP_OR_MAIN_OR_NAV_OR_SEARCH_OR_SECTION_OR_SUMMARY: + eltPos = findLastInScope(name); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + errStrayEndTag(name); + } else { + generateImpliedEndTags(); + if (errorHandler != null && !isCurrent(name)) { + errUnclosedElements(eltPos, name); + } + while (currentPtr >= eltPos) { + pop(); + } + } + break endtagloop; + case FORM: + if (!isTemplateContents()) { + if (formPointer == null) { + errStrayEndTag(name); + break endtagloop; + } + formPointer = null; + eltPos = findLastInScope(name); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + errStrayEndTag(name); + break endtagloop; + } + generateImpliedEndTags(); + if (errorHandler != null && !isCurrent(name)) { + errUnclosedElements(eltPos, name); + } + removeFromStack(eltPos); + break endtagloop; + } else { + eltPos = findLastInScope(name); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + errStrayEndTag(name); + break endtagloop; + } + generateImpliedEndTags(); + if (errorHandler != null && !isCurrent(name)) { + errUnclosedElements(eltPos, name); + } + while (currentPtr >= eltPos) { + pop(); + } + break endtagloop; + } + case P: + eltPos = findLastInButtonScope("p"); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + errNoElementToCloseButEndTagSeen("p"); + // XXX Can the 'in foreign' case happen anymore? + if (isInForeign()) { + errHtmlStartTagInForeignContext(name); + // Check for currentPtr for the fragment + // case. + while (currentPtr >= 0 && stack[currentPtr].ns != "http://www.w3.org/1999/xhtml") { + pop(); + } + } + appendVoidElementToCurrentMayFoster( + elementName, + HtmlAttributes.EMPTY_ATTRIBUTES); + break endtagloop; + } + generateImpliedEndTagsExceptFor("p"); + assert eltPos != TreeBuilder.NOT_FOUND_ON_STACK; + if (errorHandler != null && eltPos != currentPtr) { + errUnclosedElements(eltPos, name); + } + while (currentPtr >= eltPos) { + pop(); + } + break endtagloop; + case LI: + eltPos = findLastInListScope(name); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + errNoElementToCloseButEndTagSeen(name); + } else { + generateImpliedEndTagsExceptFor(name); + if (errorHandler != null + && eltPos != currentPtr) { + errUnclosedElements(eltPos, name); + } + while (currentPtr >= eltPos) { + pop(); + } + } + break endtagloop; + case DD_OR_DT: + eltPos = findLastInScope(name); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + errNoElementToCloseButEndTagSeen(name); + } else { + generateImpliedEndTagsExceptFor(name); + if (errorHandler != null + && eltPos != currentPtr) { + errUnclosedElements(eltPos, name); + } + while (currentPtr >= eltPos) { + pop(); + } + } + break endtagloop; + case H1_OR_H2_OR_H3_OR_H4_OR_H5_OR_H6: + eltPos = findLastInScopeHn(); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + errStrayEndTag(name); + } else { + generateImpliedEndTags(); + if (errorHandler != null && !isCurrent(name)) { + errUnclosedElements(eltPos, name); + } + while (currentPtr >= eltPos) { + pop(); + } + } + break endtagloop; + case OBJECT: + case MARQUEE_OR_APPLET: + eltPos = findLastInScope(name); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + errStrayEndTag(name); + } else { + generateImpliedEndTags(); + if (errorHandler != null && !isCurrent(name)) { + errUnclosedElements(eltPos, name); + } + while (currentPtr >= eltPos) { + pop(); + } + clearTheListOfActiveFormattingElementsUpToTheLastMarker(); + } + break endtagloop; + case BR: + errEndTagBr(); + if (isInForeign()) { + // XXX can this happen anymore? + errHtmlStartTagInForeignContext(name); + // Check for currentPtr for the fragment + // case. + while (currentPtr >= 0 && stack[currentPtr].ns != "http://www.w3.org/1999/xhtml") { + pop(); + } + } + reconstructTheActiveFormattingElements(); + appendVoidElementToCurrentMayFoster( + elementName, + HtmlAttributes.EMPTY_ATTRIBUTES); + break endtagloop; + case TEMPLATE: + // fall through to IN_HEAD; + break; + case AREA_OR_WBR: + case KEYGEN: // XXX?? + case PARAM_OR_SOURCE_OR_TRACK: + case EMBED: + case IMG: + case IMAGE: + case INPUT: + case HR: + case IFRAME: + case NOEMBED: // XXX??? + case NOFRAMES: // XXX?? + case SELECT: + case TABLE: + case TEXTAREA: // XXX?? + errStrayEndTag(name); + break endtagloop; + case NOSCRIPT: + if (scriptingEnabled) { + errStrayEndTag(name); + break endtagloop; + } + // CPPONLY: MOZ_FALLTHROUGH; + case A: + case B_OR_BIG_OR_CODE_OR_EM_OR_I_OR_S_OR_SMALL_OR_STRIKE_OR_STRONG_OR_TT_OR_U: + case FONT: + case NOBR: + if (adoptionAgencyEndTag(name)) { + break endtagloop; + } + // else handle like any other tag + // CPPONLY: MOZ_FALLTHROUGH; + default: + if (isCurrent(name)) { + pop(); + break endtagloop; + } + + eltPos = currentPtr; + for (;;) { + StackNode<T> node = stack[eltPos]; + if (node.ns == "http://www.w3.org/1999/xhtml" && node.name == name) { + generateImpliedEndTags(); + if (errorHandler != null + && !isCurrent(name)) { + errUnclosedElements(eltPos, name); + } + while (currentPtr >= eltPos) { + pop(); + } + break endtagloop; + } else if (eltPos == 0 || node.isSpecial()) { + errStrayEndTag(name); + break endtagloop; + } + eltPos--; + } + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_HEAD: + switch (group) { + case HEAD: + pop(); + mode = AFTER_HEAD; + break endtagloop; + case BR: + case HTML: + case BODY: + pop(); + mode = AFTER_HEAD; + continue; + case TEMPLATE: + endTagTemplateInHead(); + break endtagloop; + default: + errStrayEndTag(name); + break endtagloop; + } + case IN_HEAD_NOSCRIPT: + switch (group) { + case NOSCRIPT: + pop(); + mode = IN_HEAD; + break endtagloop; + case BR: + errStrayEndTag(name); + pop(); + mode = IN_HEAD; + continue; + default: + errStrayEndTag(name); + break endtagloop; + } + case IN_COLUMN_GROUP: + switch (group) { + case COLGROUP: + if (currentPtr == 0 || stack[currentPtr].getGroup() == + TreeBuilder.TEMPLATE) { + assert fragment || isTemplateContents(); + errGarbageInColgroup(); + break endtagloop; + } + pop(); + mode = IN_TABLE; + break endtagloop; + case COL: + errStrayEndTag(name); + break endtagloop; + case TEMPLATE: + endTagTemplateInHead(); + break endtagloop; + default: + if (currentPtr == 0 || stack[currentPtr].getGroup() == + TreeBuilder.TEMPLATE) { + assert fragment || isTemplateContents(); + errGarbageInColgroup(); + break endtagloop; + } + pop(); + mode = IN_TABLE; + continue; + } + case IN_SELECT_IN_TABLE: + switch (group) { + case CAPTION: + case TABLE: + case TBODY_OR_THEAD_OR_TFOOT: + case TR: + case TD_OR_TH: + errEndTagSeenWithSelectOpen(name); + if (findLastInTableScope(name) != TreeBuilder.NOT_FOUND_ON_STACK) { + eltPos = findLastInTableScope("select"); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + assert fragment; + break endtagloop; // http://www.w3.org/Bugs/Public/show_bug.cgi?id=8375 + } + while (currentPtr >= eltPos) { + pop(); + } + resetTheInsertionMode(); + continue; + } else { + break endtagloop; + } + default: + // fall through to IN_SELECT + } + // CPPONLY: MOZ_FALLTHROUGH; + case IN_SELECT: + switch (group) { + case OPTION: + if (isCurrent("option")) { + pop(); + break endtagloop; + } else { + errStrayEndTag(name); + break endtagloop; + } + case OPTGROUP: + if (isCurrent("option") + && "optgroup" == stack[currentPtr - 1].name) { + pop(); + } + if (isCurrent("optgroup")) { + pop(); + } else { + errStrayEndTag(name); + } + break endtagloop; + case SELECT: + eltPos = findLastInTableScope("select"); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + assert fragment; + errStrayEndTag(name); + break endtagloop; + } + while (currentPtr >= eltPos) { + pop(); + } + resetTheInsertionMode(); + break endtagloop; + case TEMPLATE: + endTagTemplateInHead(); + break endtagloop; + default: + errStrayEndTag(name); + break endtagloop; + } + case AFTER_BODY: + switch (group) { + case HTML: + if (fragment) { + errStrayEndTag(name); + break endtagloop; + } else { + mode = AFTER_AFTER_BODY; + break endtagloop; + } + default: + errEndTagAfterBody(); + mode = framesetOk ? FRAMESET_OK : IN_BODY; + continue; + } + case IN_FRAMESET: + switch (group) { + case FRAMESET: + if (currentPtr == 0) { + assert fragment; + errStrayEndTag(name); + break endtagloop; + } + pop(); + if ((!fragment) && !isCurrent("frameset")) { + mode = AFTER_FRAMESET; + } + break endtagloop; + default: + errStrayEndTag(name); + break endtagloop; + } + case AFTER_FRAMESET: + switch (group) { + case HTML: + mode = AFTER_AFTER_FRAMESET; + break endtagloop; + default: + errStrayEndTag(name); + break endtagloop; + } + case INITIAL: + /* + * Parse error. + */ + errEndTagSeenWithoutDoctype(); + /* + * + * Set the document to quirks mode. + */ + documentModeInternal(DocumentMode.QUIRKS_MODE, null, null); + /* + * Then, switch to the root element mode of the tree + * construction stage + */ + mode = BEFORE_HTML; + /* + * and reprocess the current token. + */ + continue; + case BEFORE_HTML: + switch (group) { + case HEAD: + case BR: + case HTML: + case BODY: + /* + * Create an HTMLElement node with the tag name + * html, in the HTML namespace. Append it to the + * Document object. + */ + appendHtmlElementToDocumentAndPush(); + /* Switch to the main mode */ + mode = BEFORE_HEAD; + /* + * reprocess the current token. + */ + continue; + default: + errStrayEndTag(name); + break endtagloop; + } + case BEFORE_HEAD: + switch (group) { + case HEAD: + case BR: + case HTML: + case BODY: + appendToCurrentNodeAndPushHeadElement(HtmlAttributes.EMPTY_ATTRIBUTES); + mode = IN_HEAD; + continue; + default: + errStrayEndTag(name); + break endtagloop; + } + case AFTER_HEAD: + switch (group) { + case TEMPLATE: + endTagTemplateInHead(); + break endtagloop; + case HTML: + case BODY: + case BR: + appendToCurrentNodeAndPushBodyElement(); + mode = FRAMESET_OK; + continue; + default: + errStrayEndTag(name); + break endtagloop; + } + case AFTER_AFTER_BODY: + errStrayEndTag(name); + mode = framesetOk ? FRAMESET_OK : IN_BODY; + continue; + case AFTER_AFTER_FRAMESET: + errStrayEndTag(name); + break endtagloop; + case TEXT: + // XXX need to manage insertion point here + pop(); + if (originalMode == AFTER_HEAD) { + silentPop(); + } + mode = originalMode; + break endtagloop; + } + } // endtagloop + } + + private void endTagTemplateInHead() throws SAXException { + int eltPos = findLast("template"); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + errStrayEndTag("template"); + return; + } + generateImpliedEndTagsThoroughly(); + if (errorHandler != null && !isCurrent("template")) { + errUnclosedElements(eltPos, "template"); + } + while (currentPtr >= eltPos) { + pop(); + } + clearTheListOfActiveFormattingElementsUpToTheLastMarker(); + popTemplateMode(); + resetTheInsertionMode(); + } + + private int findLastInTableScopeOrRootTemplateTbodyTheadTfoot() { + for (int i = currentPtr; i > 0; i--) { + if (stack[i].ns == "http://www.w3.org/1999/xhtml" + && (stack[i].getGroup() == TreeBuilder.TBODY_OR_THEAD_OR_TFOOT + || stack[i].getGroup() == TreeBuilder.TEMPLATE)) { + return i; + } + } + return 0; + } + + private int findLast(@Local String name) { + for (int i = currentPtr; i > 0; i--) { + if (stack[i].ns == "http://www.w3.org/1999/xhtml" && stack[i].name == name) { + return i; + } + } + return TreeBuilder.NOT_FOUND_ON_STACK; + } + + private int findLastInTableScope(@Local String name) { + for (int i = currentPtr; i > 0; i--) { + if (stack[i].ns == "http://www.w3.org/1999/xhtml") { + if (stack[i].name == name) { + return i; + } else if (stack[i].name == "table" || stack[i].name == "template") { + return TreeBuilder.NOT_FOUND_ON_STACK; + } + } + } + return TreeBuilder.NOT_FOUND_ON_STACK; + } + + private int findLastInButtonScope(@Local String name) { + for (int i = currentPtr; i > 0; i--) { + if (stack[i].ns == "http://www.w3.org/1999/xhtml") { + if (stack[i].name == name) { + return i; + } else if (stack[i].name == "button") { + return TreeBuilder.NOT_FOUND_ON_STACK; + } + } + + if (stack[i].isScoping()) { + return TreeBuilder.NOT_FOUND_ON_STACK; + } + } + return TreeBuilder.NOT_FOUND_ON_STACK; + } + + private int findLastInScope(@Local String name) { + for (int i = currentPtr; i > 0; i--) { + if (stack[i].ns == "http://www.w3.org/1999/xhtml" && stack[i].name == name) { + return i; + } else if (stack[i].isScoping()) { + return TreeBuilder.NOT_FOUND_ON_STACK; + } + } + return TreeBuilder.NOT_FOUND_ON_STACK; + } + + private int findLastInListScope(@Local String name) { + for (int i = currentPtr; i > 0; i--) { + if (stack[i].ns == "http://www.w3.org/1999/xhtml") { + if (stack[i].name == name) { + return i; + } else if (stack[i].name == "ul" || stack[i].name == "ol") { + return TreeBuilder.NOT_FOUND_ON_STACK; + } + } + + if (stack[i].isScoping()) { + return TreeBuilder.NOT_FOUND_ON_STACK; + } + } + return TreeBuilder.NOT_FOUND_ON_STACK; + } + + private int findLastInScopeHn() { + for (int i = currentPtr; i > 0; i--) { + if (stack[i].getGroup() == TreeBuilder.H1_OR_H2_OR_H3_OR_H4_OR_H5_OR_H6) { + return i; + } else if (stack[i].isScoping()) { + return TreeBuilder.NOT_FOUND_ON_STACK; + } + } + return TreeBuilder.NOT_FOUND_ON_STACK; + } + + private void generateImpliedEndTagsExceptFor(@Local String name) + throws SAXException { + for (;;) { + StackNode<T> node = stack[currentPtr]; + switch (node.getGroup()) { + case P: + case LI: + case DD_OR_DT: + case OPTION: + case OPTGROUP: + case RB_OR_RTC: + case RT_OR_RP: + if (node.ns == "http://www.w3.org/1999/xhtml" && node.name == name) { + return; + } + pop(); + continue; + default: + return; + } + } + } + + private void generateImpliedEndTags() throws SAXException { + for (;;) { + switch (stack[currentPtr].getGroup()) { + case P: + case LI: + case DD_OR_DT: + case OPTION: + case OPTGROUP: + case RB_OR_RTC: + case RT_OR_RP: + pop(); + continue; + default: + return; + } + } + } + + private void generateImpliedEndTagsThoroughly() throws SAXException { + for (;;) { + switch (stack[currentPtr].getGroup()) { + case CAPTION: + case COLGROUP: + case DD_OR_DT: + case LI: + case OPTGROUP: + case OPTION: + case P: + case RB_OR_RTC: + case RT_OR_RP: + case TBODY_OR_THEAD_OR_TFOOT: + case TD_OR_TH: + case TR: + pop(); + continue; + default: + return; + } + } + } + + private boolean isSecondOnStackBody() { + return currentPtr >= 1 && stack[1].getGroup() == TreeBuilder.BODY; + } + + private void documentModeInternal(DocumentMode m, String publicIdentifier, + String systemIdentifier) + throws SAXException { + + if (forceNoQuirks) { + // Srcdoc documents are always rendered in standards mode. + quirks = false; + if (documentModeHandler != null) { + documentModeHandler.documentMode( + DocumentMode.STANDARDS_MODE + // [NOCPP[ + , null, null + // ]NOCPP] + ); + } + return; + } + + quirks = (m == DocumentMode.QUIRKS_MODE); + if (documentModeHandler != null) { + documentModeHandler.documentMode( + m + // [NOCPP[ + , publicIdentifier, systemIdentifier + // ]NOCPP] + ); + } + // [NOCPP[ + documentMode(m, publicIdentifier, systemIdentifier); + // ]NOCPP] + } + + private boolean isAlmostStandards(String publicIdentifier, + String systemIdentifier) { + if (Portability.lowerCaseLiteralIsPrefixOfIgnoreAsciiCaseString( + "-//w3c//dtd xhtml 1.0 transitional//", publicIdentifier)) { + return true; + } + if (Portability.lowerCaseLiteralIsPrefixOfIgnoreAsciiCaseString( + "-//w3c//dtd xhtml 1.0 frameset//", publicIdentifier)) { + return true; + } + if (systemIdentifier != null) { + if (Portability.lowerCaseLiteralIsPrefixOfIgnoreAsciiCaseString( + "-//w3c//dtd html 4.01 transitional//", publicIdentifier)) { + return true; + } + if (Portability.lowerCaseLiteralIsPrefixOfIgnoreAsciiCaseString( + "-//w3c//dtd html 4.01 frameset//", publicIdentifier)) { + return true; + } + } + return false; + } + + private boolean isQuirky(@Local String name, String publicIdentifier, + String systemIdentifier, boolean forceQuirks) { + if (forceQuirks) { + return true; + } + if (name != HTML_LOCAL) { + return true; + } + if (publicIdentifier != null) { + for (int i = 0; i < TreeBuilder.QUIRKY_PUBLIC_IDS.length; i++) { + if (Portability.lowerCaseLiteralIsPrefixOfIgnoreAsciiCaseString( + TreeBuilder.QUIRKY_PUBLIC_IDS[i], publicIdentifier)) { + return true; + } + } + if (Portability.lowerCaseLiteralEqualsIgnoreAsciiCaseString( + "-//w3o//dtd w3 html strict 3.0//en//", publicIdentifier) + || Portability.lowerCaseLiteralEqualsIgnoreAsciiCaseString( + "-/w3c/dtd html 4.0 transitional/en", + publicIdentifier) + || Portability.lowerCaseLiteralEqualsIgnoreAsciiCaseString( + "html", publicIdentifier)) { + return true; + } + } + if (systemIdentifier == null) { + if (Portability.lowerCaseLiteralIsPrefixOfIgnoreAsciiCaseString( + "-//w3c//dtd html 4.01 transitional//", publicIdentifier)) { + return true; + } else if (Portability.lowerCaseLiteralIsPrefixOfIgnoreAsciiCaseString( + "-//w3c//dtd html 4.01 frameset//", publicIdentifier)) { + return true; + } + } else if (Portability.lowerCaseLiteralEqualsIgnoreAsciiCaseString( + "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd", + systemIdentifier)) { + return true; + } + return false; + } + + private void closeTheCell(int eltPos) throws SAXException { + generateImpliedEndTags(); + if (errorHandler != null && eltPos != currentPtr) { + errUnclosedElementsCell(eltPos); + } + while (currentPtr >= eltPos) { + pop(); + } + clearTheListOfActiveFormattingElementsUpToTheLastMarker(); + mode = IN_ROW; + return; + } + + private int findLastInTableScopeTdTh() { + for (int i = currentPtr; i > 0; i--) { + @Local String name = stack[i].name; + if (stack[i].ns == "http://www.w3.org/1999/xhtml") { + if ("td" == name || "th" == name) { + return i; + } else if (name == "table" || name == "template") { + return TreeBuilder.NOT_FOUND_ON_STACK; + } + } + } + return TreeBuilder.NOT_FOUND_ON_STACK; + } + + private void clearStackBackTo(int eltPos) throws SAXException { + int eltGroup = stack[eltPos].getGroup(); + while (currentPtr > eltPos) { // > not >= intentional + if (stack[currentPtr].ns == "http://www.w3.org/1999/xhtml" + && stack[currentPtr].getGroup() == TEMPLATE + && (eltGroup == TABLE || eltGroup == TBODY_OR_THEAD_OR_TFOOT|| eltGroup == TR || eltPos == 0)) { + return; + } + pop(); + } + } + + private void resetTheInsertionMode() { + StackNode<T> node; + @Local String name; + @NsUri String ns; + for (int i = currentPtr; i >= 0; i--) { + node = stack[i]; + name = node.name; + ns = node.ns; + if (i == 0) { + if (!(contextNamespace == "http://www.w3.org/1999/xhtml" && (contextName == "td" || contextName == "th"))) { + if (fragment) { + // Make sure we are parsing a fragment otherwise the context element doesn't make sense. + name = contextName; + ns = contextNamespace; + } + } else { + mode = framesetOk ? FRAMESET_OK : IN_BODY; // XXX from Hixie's email + return; + } + } + if ("select" == name) { + int ancestorIndex = i; + while (ancestorIndex > 0) { + StackNode<T> ancestor = stack[ancestorIndex--]; + if ("http://www.w3.org/1999/xhtml" == ancestor.ns) { + if ("template" == ancestor.name) { + break; + } + if ("table" == ancestor.name) { + mode = IN_SELECT_IN_TABLE; + return; + } + } + } + mode = IN_SELECT; + return; + } else if ("td" == name || "th" == name) { + mode = IN_CELL; + return; + } else if ("tr" == name) { + mode = IN_ROW; + return; + } else if ("tbody" == name || "thead" == name || "tfoot" == name) { + mode = IN_TABLE_BODY; + return; + } else if ("caption" == name) { + mode = IN_CAPTION; + return; + } else if ("colgroup" == name) { + mode = IN_COLUMN_GROUP; + return; + } else if ("table" == name) { + mode = IN_TABLE; + return; + } else if ("http://www.w3.org/1999/xhtml" != ns) { + mode = framesetOk ? FRAMESET_OK : IN_BODY; + return; + } else if ("template" == name) { + assert templateModePtr >= 0; + mode = templateModeStack[templateModePtr]; + return; + } else if ("head" == name) { + if (name == contextName) { + mode = framesetOk ? FRAMESET_OK : IN_BODY; // really + } else { + mode = IN_HEAD; + } + return; + } else if ("body" == name) { + mode = framesetOk ? FRAMESET_OK : IN_BODY; + return; + } else if ("frameset" == name) { + // TODO: Fragment case. Add error reporting. + mode = IN_FRAMESET; + return; + } else if ("html" == name) { + if (headPointer == null) { + // TODO: Fragment case. Add error reporting. + mode = BEFORE_HEAD; + } else { + mode = AFTER_HEAD; + } + return; + } else if (i == 0) { + mode = framesetOk ? FRAMESET_OK : IN_BODY; + return; + } + } + } + + /** + * @throws SAXException + * + */ + private void implicitlyCloseP() throws SAXException { + int eltPos = findLastInButtonScope("p"); + if (eltPos == TreeBuilder.NOT_FOUND_ON_STACK) { + return; + } + generateImpliedEndTagsExceptFor("p"); + if (errorHandler != null && eltPos != currentPtr) { + errUnclosedElementsImplied(eltPos, "p"); + } + while (currentPtr >= eltPos) { + pop(); + } + } + + private boolean debugOnlyClearLastStackSlot() { + stack[currentPtr] = null; + return true; + } + + private boolean debugOnlyClearLastListSlot() { + listOfActiveFormattingElements[listPtr] = null; + return true; + } + + private void pushTemplateMode(int mode) { + templateModePtr++; + if (templateModePtr == templateModeStack.length) { + int[] newStack = new int[templateModeStack.length + 64]; + System.arraycopy(templateModeStack, 0, newStack, 0, templateModeStack.length); + templateModeStack = newStack; + } + templateModeStack[templateModePtr] = mode; + } + + @SuppressWarnings("unchecked") private void push(StackNode<T> node) throws SAXException { + currentPtr++; + if (currentPtr == stack.length) { + StackNode<T>[] newStack = new StackNode[stack.length + 64]; + System.arraycopy(stack, 0, newStack, 0, stack.length); + stack = newStack; + } + stack[currentPtr] = node; + elementPushed(node.ns, node.popName, node.node); + } + + @SuppressWarnings("unchecked") private void silentPush(StackNode<T> node) throws SAXException { + currentPtr++; + if (currentPtr == stack.length) { + StackNode<T>[] newStack = new StackNode[stack.length + 64]; + System.arraycopy(stack, 0, newStack, 0, stack.length); + stack = newStack; + } + stack[currentPtr] = node; + } + + @SuppressWarnings("unchecked") private void append(StackNode<T> node) { + listPtr++; + if (listPtr == listOfActiveFormattingElements.length) { + StackNode<T>[] newList = new StackNode[listOfActiveFormattingElements.length + 64]; + System.arraycopy(listOfActiveFormattingElements, 0, newList, 0, + listOfActiveFormattingElements.length); + listOfActiveFormattingElements = newList; + } + listOfActiveFormattingElements[listPtr] = node; + } + + @Inline private void insertMarker() { + append(null); + } + + private void clearTheListOfActiveFormattingElementsUpToTheLastMarker() { + while (listPtr > -1) { + if (listOfActiveFormattingElements[listPtr] == null) { + --listPtr; + return; + } + listOfActiveFormattingElements[listPtr].release(this); + --listPtr; + } + } + + @Inline private boolean isCurrent(@Local String name) { + return stack[currentPtr].ns == "http://www.w3.org/1999/xhtml" && + name == stack[currentPtr].name; + } + + private void removeFromStack(int pos) throws SAXException { + if (currentPtr == pos) { + pop(); + } else { + fatal(); + stack[pos].release(this); + System.arraycopy(stack, pos + 1, stack, pos, currentPtr - pos); + assert debugOnlyClearLastStackSlot(); + currentPtr--; + } + } + + private void removeFromStack(StackNode<T> node) throws SAXException { + if (stack[currentPtr] == node) { + pop(); + } else { + int pos = currentPtr - 1; + while (pos >= 0 && stack[pos] != node) { + pos--; + } + if (pos == -1) { + // dead code? + return; + } + fatal(); + node.release(this); + System.arraycopy(stack, pos + 1, stack, pos, currentPtr - pos); + currentPtr--; + } + } + + private void removeFromListOfActiveFormattingElements(int pos) { + assert listOfActiveFormattingElements[pos] != null; + listOfActiveFormattingElements[pos].release(this); + if (pos == listPtr) { + assert debugOnlyClearLastListSlot(); + listPtr--; + return; + } + assert pos < listPtr; + System.arraycopy(listOfActiveFormattingElements, pos + 1, + listOfActiveFormattingElements, pos, listPtr - pos); + assert debugOnlyClearLastListSlot(); + listPtr--; + } + + /** + * Adoption agency algorithm. + * + * @param name subject as described in the specified algorithm. + * @return Returns true if the algorithm has completed and there is nothing remaining to + * be done. Returns false if the algorithm needs to "act as described in the 'any other + * end tag' entry" as described in the specified algorithm. + * @throws SAXException + */ + private boolean adoptionAgencyEndTag(@Local String name) throws SAXException { + // This check intends to ensure that for properly nested tags, closing tags will match + // against the stack instead of the listOfActiveFormattingElements. + if (stack[currentPtr].ns == "http://www.w3.org/1999/xhtml" && + stack[currentPtr].name == name && + findInListOfActiveFormattingElements(stack[currentPtr]) == -1) { + // If the current element matches the name but isn't on the list of active + // formatting elements, then it is possible that the list was mangled by the Noah's Ark + // clause. In this case, we want to match the end tag against the stack instead of + // proceeding with the AAA algorithm that may match against the list of + // active formatting elements (and possibly mangle the tree in unexpected ways). + pop(); + return true; + } + + // If you crash around here, perhaps some stack node variable claimed to + // be a weak ref isn't. + for (int i = 0; i < 8; ++i) { + int formattingEltListPos = listPtr; + while (formattingEltListPos > -1) { + StackNode<T> listNode = listOfActiveFormattingElements[formattingEltListPos]; // weak ref + if (listNode == null) { + formattingEltListPos = -1; + break; + } else if (listNode.name == name) { + break; + } + formattingEltListPos--; + } + if (formattingEltListPos == -1) { + return false; + } + // this *looks* like a weak ref to the list of formatting elements + StackNode<T> formattingElt = listOfActiveFormattingElements[formattingEltListPos]; + int formattingEltStackPos = currentPtr; + boolean inScope = true; + while (formattingEltStackPos > -1) { + StackNode<T> node = stack[formattingEltStackPos]; // weak ref + if (node == formattingElt) { + break; + } else if (node.isScoping()) { + inScope = false; + } + formattingEltStackPos--; + } + if (formattingEltStackPos == -1) { + errNoElementToCloseButEndTagSeen(name); + removeFromListOfActiveFormattingElements(formattingEltListPos); + return true; + } + if (!inScope) { + errNoElementToCloseButEndTagSeen(name); + return true; + } + // stackPos now points to the formatting element and it is in scope + if (formattingEltStackPos != currentPtr) { + errEndTagViolatesNestingRules(name); + } + int furthestBlockPos = formattingEltStackPos + 1; + while (furthestBlockPos <= currentPtr) { + StackNode<T> node = stack[furthestBlockPos]; // weak ref + assert furthestBlockPos > 0: "How is formattingEltStackPos + 1 not > 0?"; + if (node.isSpecial()) { + break; + } + furthestBlockPos++; + } + if (furthestBlockPos > currentPtr) { + // no furthest block + while (currentPtr >= formattingEltStackPos) { + pop(); + } + removeFromListOfActiveFormattingElements(formattingEltListPos); + return true; + } + // commonAncestor is used for running the algorithm and + // insertionCommonAncestor is used for the actual insertions to + // keep them depth-limited. + StackNode<T> commonAncestor = stack[formattingEltStackPos - 1]; // weak ref + T insertionCommonAncestor = nodeFromStackWithBlinkCompat(formattingEltStackPos - 1); // weak ref + StackNode<T> furthestBlock = stack[furthestBlockPos]; // weak ref + // detachFromParent(furthestBlock.node); XXX AAA CHANGE + int bookmark = formattingEltListPos; + int nodePos = furthestBlockPos; + StackNode<T> lastNode = furthestBlock; // weak ref + int j = 0; + for (;;) { + ++j; + nodePos--; + if (nodePos == formattingEltStackPos) { + break; + } + StackNode<T> node = stack[nodePos]; // weak ref + int nodeListPos = findInListOfActiveFormattingElements(node); + + if (j > 3 && nodeListPos != -1) { + removeFromListOfActiveFormattingElements(nodeListPos); + + // Adjust the indices into the list to account + // for the removal of nodeListPos. + if (nodeListPos <= formattingEltListPos) { + formattingEltListPos--; + } + if (nodeListPos <= bookmark) { + bookmark--; + } + + // Update position to reflect removal from list. + nodeListPos = -1; + } + + if (nodeListPos == -1) { + assert formattingEltStackPos < nodePos; + assert bookmark < nodePos; + assert furthestBlockPos > nodePos; + removeFromStack(nodePos); // node is now a bad pointer in C++ + furthestBlockPos--; + continue; + } + // now node is both on stack and in the list + if (nodePos == furthestBlockPos) { + bookmark = nodeListPos + 1; + } + // if (hasChildren(node.node)) { XXX AAA CHANGE + assert node == listOfActiveFormattingElements[nodeListPos]; + assert node == stack[nodePos]; + T clone = createElement("http://www.w3.org/1999/xhtml", + node.name, node.attributes.cloneAttributes(), insertionCommonAncestor + // CPPONLY: , htmlCreator(node.getHtmlCreator()) + ); + StackNode<T> newNode = createStackNode(node.getFlags(), node.ns, + node.name, clone, node.popName, node.attributes + // CPPONLY: , node.getHtmlCreator() + // [NOCPP[ + , node.getLocator() + // ]NOCPP] + ); // creation ownership goes to stack + node.dropAttributes(); // adopt ownership to newNode + stack[nodePos] = newNode; + newNode.retain(); // retain for list + listOfActiveFormattingElements[nodeListPos] = newNode; + node.release(this); // release from stack + node.release(this); // release from list + node = newNode; + // } XXX AAA CHANGE + detachFromParent(lastNode.node); + appendElement(lastNode.node, nodeFromStackWithBlinkCompat(nodePos)); + lastNode = node; + } + // If we insert into a foster parent, for simplicity, we insert + // accoding to the spec without Blink's depth limit. + if (commonAncestor.isFosterParenting()) { + fatal(); + detachFromParent(lastNode.node); + insertIntoFosterParent(lastNode.node); + } else { + detachFromParent(lastNode.node); + appendElement(lastNode.node, insertionCommonAncestor); + } + T clone = createElement("http://www.w3.org/1999/xhtml", + formattingElt.name, + formattingElt.attributes.cloneAttributes(), furthestBlock.node + // CPPONLY: , htmlCreator(formattingElt.getHtmlCreator()) + ); + StackNode<T> formattingClone = createStackNode( + formattingElt.getFlags(), formattingElt.ns, + formattingElt.name, clone, formattingElt.popName, + formattingElt.attributes + // CPPONLY: , formattingElt.getHtmlCreator() + // [NOCPP[ + , errorHandler == null ? null : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + ); // Ownership transfers to stack below + formattingElt.dropAttributes(); // transfer ownership to + // formattingClone + appendChildrenToNewParent(furthestBlock.node, clone); + appendElement(clone, furthestBlock.node); + removeFromListOfActiveFormattingElements(formattingEltListPos); + insertIntoListOfActiveFormattingElements(formattingClone, bookmark); + assert formattingEltStackPos < furthestBlockPos; + removeFromStack(formattingEltStackPos); + // furthestBlockPos is now off by one and points to the slot after + // it + insertIntoStack(formattingClone, furthestBlockPos); + } + return true; + } + + private void insertIntoStack(StackNode<T> node, int position) + throws SAXException { + assert currentPtr + 1 < stack.length; + assert position <= currentPtr + 1; + if (position == currentPtr + 1) { + push(node); + } else { + System.arraycopy(stack, position, stack, position + 1, + (currentPtr - position) + 1); + currentPtr++; + stack[position] = node; + } + } + + private void insertIntoListOfActiveFormattingElements( + StackNode<T> formattingClone, int bookmark) { + formattingClone.retain(); + assert listPtr + 1 < listOfActiveFormattingElements.length; + if (bookmark <= listPtr) { + System.arraycopy(listOfActiveFormattingElements, bookmark, + listOfActiveFormattingElements, bookmark + 1, + (listPtr - bookmark) + 1); + } + listPtr++; + listOfActiveFormattingElements[bookmark] = formattingClone; + } + + private int findInListOfActiveFormattingElements(StackNode<T> node) { + for (int i = listPtr; i >= 0; i--) { + if (node == listOfActiveFormattingElements[i]) { + return i; + } + } + return -1; + } + + private int findInListOfActiveFormattingElementsContainsBetweenEndAndLastMarker( + @Local String name) { + for (int i = listPtr; i >= 0; i--) { + StackNode<T> node = listOfActiveFormattingElements[i]; + if (node == null) { + return -1; + } else if (node.name == name) { + return i; + } + } + return -1; + } + + + private void maybeForgetEarlierDuplicateFormattingElement( + @Local String name, HtmlAttributes attributes) throws SAXException { + int candidate = -1; + int count = 0; + for (int i = listPtr; i >= 0; i--) { + StackNode<T> node = listOfActiveFormattingElements[i]; + if (node == null) { + break; + } + if (node.name == name && node.attributes.equalsAnother(attributes)) { + candidate = i; + ++count; + } + } + if (count >= 3) { + removeFromListOfActiveFormattingElements(candidate); + } + } + + private int findLastOrRoot(@Local String name) { + for (int i = currentPtr; i > 0; i--) { + if (stack[i].ns == "http://www.w3.org/1999/xhtml" && stack[i].name == name) { + return i; + } + } + return 0; + } + + private int findLastOrRoot(int group) { + for (int i = currentPtr; i > 0; i--) { + if (stack[i].ns == "http://www.w3.org/1999/xhtml" && stack[i].getGroup() == group) { + return i; + } + } + return 0; + } + + /** + * Attempt to add attribute to the body element. + * @param attributes the attributes + * @return <code>true</code> iff the attributes were added + * @throws SAXException + */ + private boolean addAttributesToBody(HtmlAttributes attributes) + throws SAXException { + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + // ]NOCPP] + if (currentPtr >= 1) { + StackNode<T> body = stack[1]; + if (body.getGroup() == TreeBuilder.BODY) { + addAttributesToElement(body.node, attributes); + return true; + } + } + return false; + } + + private void addAttributesToHtml(HtmlAttributes attributes) + throws SAXException { + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + // ]NOCPP] + addAttributesToElement(stack[0].node, attributes); + } + + private void pushHeadPointerOntoStack() throws SAXException { + assert headPointer != null; + assert mode == AFTER_HEAD; + fatal(); + silentPush(createStackNode(ElementName.HEAD, headPointer + // [NOCPP[ + , errorHandler == null ? null : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + )); + } + + /** + * @throws SAXException + * + */ + private void reconstructTheActiveFormattingElements() throws SAXException { + if (listPtr == -1) { + return; + } + StackNode<T> mostRecent = listOfActiveFormattingElements[listPtr]; + if (mostRecent == null || isInStack(mostRecent)) { + return; + } + int entryPos = listPtr; + for (;;) { + entryPos--; + if (entryPos == -1) { + break; + } + if (listOfActiveFormattingElements[entryPos] == null) { + break; + } + if (isInStack(listOfActiveFormattingElements[entryPos])) { + break; + } + } + while (entryPos < listPtr) { + entryPos++; + StackNode<T> entry = listOfActiveFormattingElements[entryPos]; + StackNode<T> current = stack[currentPtr]; + + T clone; + if (current.isFosterParenting()) { + clone = createAndInsertFosterParentedElement("http://www.w3.org/1999/xhtml", entry.name, + entry.attributes.cloneAttributes() + // CPPONLY: , htmlCreator(entry.getHtmlCreator()) + ); + } else { + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + clone = createElement("http://www.w3.org/1999/xhtml", entry.name, + entry.attributes.cloneAttributes(), currentNode + // CPPONLY: , htmlCreator(entry.getHtmlCreator()) + ); + appendElement(clone, currentNode); + } + + StackNode<T> entryClone = createStackNode(entry.getFlags(), + entry.ns, entry.name, clone, entry.popName, + entry.attributes + // CPPONLY: , entry.getHtmlCreator() + // [NOCPP[ + , entry.getLocator() + // ]NOCPP] + ); + + entry.dropAttributes(); // transfer ownership to entryClone + + push(entryClone); + // stack takes ownership of the local variable + listOfActiveFormattingElements[entryPos] = entryClone; + // overwriting the old entry on the list, so release & retain + entry.release(this); + entryClone.retain(); + } + } + + void notifyUnusedStackNode(int idxInStackNodes) { + // stackNodesIdx is the earliest possible index of a stack node that might be unused, + // so update the index if necessary. + if (idxInStackNodes < stackNodesIdx) { + stackNodesIdx = idxInStackNodes; + } + } + + @SuppressWarnings("unchecked") private StackNode<T> getUnusedStackNode() { + // Search for an unused stack node. + while (stackNodesIdx < numStackNodes) { + if (stackNodes[stackNodesIdx].isUnused()) { + return stackNodes[stackNodesIdx++]; + } + stackNodesIdx++; + } + + if (stackNodesIdx < stackNodes.length) { + // No unused stack nodes, but there is still space in the storage array. + stackNodes[stackNodesIdx] = new StackNode<T>(stackNodesIdx); + numStackNodes++; + return stackNodes[stackNodesIdx++]; + } + + // Could not find an unused stack node and storage array is full. + StackNode<T>[] newStack = new StackNode[stackNodes.length + 64]; + System.arraycopy(stackNodes, 0, newStack, 0, stackNodes.length); + stackNodes = newStack; + + // Create a new stack node and return it. + stackNodes[stackNodesIdx] = new StackNode<T>(stackNodesIdx); + numStackNodes++; + return stackNodes[stackNodesIdx++]; + } + + private StackNode<T> createStackNode(int flags, @NsUri String ns, @Local String name, T node, + @Local String popName, HtmlAttributes attributes + // CPPONLY: , @HtmlCreator Object htmlCreator + // [NOCPP[ + , TaintableLocatorImpl locator + // ]NOCPP] + ) { + StackNode<T> instance = getUnusedStackNode(); + instance.setValues(flags, ns, name, node, popName, attributes + // CPPONLY: , htmlCreator + // [NOCPP[ + , locator + // ]NOCPP] + ); + return instance; + } + + private StackNode<T> createStackNode(ElementName elementName, T node + // [NOCPP[ + , TaintableLocatorImpl locator + // ]NOCPP] + ) { + StackNode<T> instance = getUnusedStackNode(); + instance.setValues(elementName, node + // [NOCPP[ + , locator + // ]NOCPP] + ); + return instance; + } + + private StackNode<T> createStackNode(ElementName elementName, T node, HtmlAttributes attributes + // [NOCPP[ + , TaintableLocatorImpl locator + // ]NOCPP] + ) { + StackNode<T> instance = getUnusedStackNode(); + instance.setValues(elementName, node, attributes + // [NOCPP[ + , locator + // ]NOCPP] + ); + return instance; + } + + private StackNode<T> createStackNode(ElementName elementName, T node, @Local String popName + // [NOCPP[ + , TaintableLocatorImpl locator + // ]NOCPP] + ) { + StackNode<T> instance = getUnusedStackNode(); + instance.setValues(elementName, node, popName + // [NOCPP[ + , locator + // ]NOCPP] + ); + return instance; + } + + private StackNode<T> createStackNode(ElementName elementName, @Local String popName, T node + // [NOCPP[ + , TaintableLocatorImpl locator + // ]NOCPP] + ) { + StackNode<T> instance = getUnusedStackNode(); + instance.setValues(elementName, popName, node + // [NOCPP[ + , locator + // ]NOCPP] + ); + return instance; + } + + private StackNode<T> createStackNode(ElementName elementName, T node, @Local String popName, + boolean markAsIntegrationPoint + // [NOCPP[ + , TaintableLocatorImpl locator + // ]NOCPP] + ) { + StackNode<T> instance = getUnusedStackNode(); + instance.setValues(elementName, node, popName, markAsIntegrationPoint + // [NOCPP[ + , locator + // ]NOCPP] + ); + return instance; + } + + private void insertIntoFosterParent(T child) throws SAXException { + int tablePos = findLastOrRoot(TreeBuilder.TABLE); + int templatePos = findLastOrRoot(TreeBuilder.TEMPLATE); + + if (templatePos >= tablePos) { + appendElement(child, stack[templatePos].node); + return; + } + + StackNode<T> node = stack[tablePos]; + insertFosterParentedChild(child, node.node, stack[tablePos - 1].node); + } + + private T createAndInsertFosterParentedElement(@NsUri String ns, @Local String name, + HtmlAttributes attributes + // CPPONLY: , @Creator Object creator + ) throws SAXException { + return createAndInsertFosterParentedElement(ns, name, attributes, null + // CPPONLY: , creator + ); + } + + private T createAndInsertFosterParentedElement(@NsUri String ns, @Local String name, + HtmlAttributes attributes, T form + // CPPONLY: , @Creator Object creator + ) throws SAXException { + int tablePos = findLastOrRoot(TreeBuilder.TABLE); + int templatePos = findLastOrRoot(TreeBuilder.TEMPLATE); + + if (templatePos >= tablePos) { + T child = createElement(ns, name, attributes, form, stack[templatePos].node + // CPPONLY: , creator + ); + appendElement(child, stack[templatePos].node); + return child; + } + + StackNode<T> node = stack[tablePos]; + return createAndInsertFosterParentedElement(ns, name, attributes, form, node.node, stack[tablePos - 1].node + // CPPONLY: , creator + ); + } + + private boolean isInStack(StackNode<T> node) { + for (int i = currentPtr; i >= 0; i--) { + if (stack[i] == node) { + return true; + } + } + return false; + } + + private void popTemplateMode() { + templateModePtr--; + } + + private void pop() throws SAXException { + StackNode<T> node = stack[currentPtr]; + assert debugOnlyClearLastStackSlot(); + currentPtr--; + elementPopped(node.ns, node.popName, node.node); + node.release(this); + } + + private void popForeign(int origPos, int eltPos) throws SAXException { + StackNode<T> node = stack[currentPtr]; + if (origPos != currentPtr || eltPos != currentPtr) { + markMalformedIfScript(node.node); + } + assert debugOnlyClearLastStackSlot(); + currentPtr--; + elementPopped(node.ns, node.popName, node.node); + node.release(this); + } + + private void silentPop() throws SAXException { + StackNode<T> node = stack[currentPtr]; + assert debugOnlyClearLastStackSlot(); + currentPtr--; + node.release(this); + } + + private void popOnEof() throws SAXException { + StackNode<T> node = stack[currentPtr]; + assert debugOnlyClearLastStackSlot(); + currentPtr--; + markMalformedIfScript(node.node); + elementPopped(node.ns, node.popName, node.node); + node.release(this); + } + + // [NOCPP[ + private void checkAttributes(HtmlAttributes attributes, @NsUri String ns) + throws SAXException { + if (errorHandler != null) { + int len = attributes.getXmlnsLength(); + for (int i = 0; i < len; i++) { + AttributeName name = attributes.getXmlnsAttributeName(i); + if (name == AttributeName.XMLNS) { + String xmlns = attributes.getXmlnsValue(i); + if (!ns.equals(xmlns)) { + err("Bad value \u201C" + + xmlns + + "\u201D for the attribute \u201Cxmlns\u201D (only \u201C" + + ns + "\u201D permitted here)."); + switch (namePolicy) { + case ALTER_INFOSET: + // fall through + case ALLOW: + warn("Attribute \u201Cxmlns\u201D is not serializable as XML 1.0."); + break; + case FATAL: + fatal("Attribute \u201Cxmlns\u201D is not serializable as XML 1.0."); + break; + } + } + } else if (ns != "http://www.w3.org/1999/xhtml" + && name == AttributeName.XMLNS_XLINK) { + String xmlns = attributes.getXmlnsValue(i); + if (!"http://www.w3.org/1999/xlink".equals(xmlns)) { + err("Bad value \u201C" + + xmlns + + "\u201D for the attribute \u201Cxmlns:link\u201D (only \u201Chttp://www.w3.org/1999/xlink\u201D permitted here)."); + switch (namePolicy) { + case ALTER_INFOSET: + // fall through + case ALLOW: + warn("Attribute \u201Cxmlns:xlink\u201D with a value other than \u201Chttp://www.w3.org/1999/xlink\u201D is not serializable as XML 1.0 without changing document semantics."); + break; + case FATAL: + fatal("Attribute \u201Cxmlns:xlink\u201D with a value other than \u201Chttp://www.w3.org/1999/xlink\u201D is not serializable as XML 1.0 without changing document semantics."); + break; + } + } + } else { + err("Attribute \u201C" + attributes.getXmlnsLocalName(i) + + "\u201D not allowed here."); + switch (namePolicy) { + case ALTER_INFOSET: + // fall through + case ALLOW: + warn("Attribute with the local name \u201C" + + attributes.getXmlnsLocalName(i) + + "\u201D is not serializable as XML 1.0."); + break; + case FATAL: + fatal("Attribute with the local name \u201C" + + attributes.getXmlnsLocalName(i) + + "\u201D is not serializable as XML 1.0."); + break; + } + } + } + } + attributes.processNonNcNames(this, namePolicy); + } + + private String checkPopName(@Local String name) throws SAXException { + if (NCName.isNCName(name)) { + return name; + } else { + switch (namePolicy) { + case ALLOW: + warn("Element name \u201C" + name + + "\u201D cannot be represented as XML 1.0."); + return name; + case ALTER_INFOSET: + warn("Element name \u201C" + name + + "\u201D cannot be represented as XML 1.0."); + return NCName.escapeName(name); + case FATAL: + fatal("Element name \u201C" + name + + "\u201D cannot be represented as XML 1.0."); + } + } + return null; // keep compiler happy + } + + // ]NOCPP] + + private void appendHtmlElementToDocumentAndPush(HtmlAttributes attributes) + throws SAXException { + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + // ]NOCPP] + T elt = createHtmlElementSetAsRoot(attributes); + StackNode<T> node = createStackNode(ElementName.HTML, + elt + // [NOCPP[ + , errorHandler == null ? null : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + ); + push(node); + } + + private void appendHtmlElementToDocumentAndPush() throws SAXException { + appendHtmlElementToDocumentAndPush(tokenizer.emptyAttributes()); + } + + private void appendToCurrentNodeAndPushHeadElement(HtmlAttributes attributes) + throws SAXException { + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + // ]NOCPP] + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + T elt = createElement("http://www.w3.org/1999/xhtml", "head", attributes, currentNode + /* + * head uses NS_NewHTMLSharedElement creator + */ + // CPPONLY: , htmlCreator(NS_NewHTMLSharedElement) + ); + appendElement(elt, currentNode); + headPointer = elt; + StackNode<T> node = createStackNode(ElementName.HEAD, + elt + // [NOCPP[ + , errorHandler == null ? null : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + ); + push(node); + } + + private void appendToCurrentNodeAndPushBodyElement(HtmlAttributes attributes) + throws SAXException { + appendToCurrentNodeAndPushElement(ElementName.BODY, + attributes); + } + + private void appendToCurrentNodeAndPushBodyElement() throws SAXException { + appendToCurrentNodeAndPushBodyElement(tokenizer.emptyAttributes()); + } + + private void appendToCurrentNodeAndPushFormElementMayFoster( + HtmlAttributes attributes) throws SAXException { + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + // ]NOCPP] + + T elt; + StackNode<T> current = stack[currentPtr]; + if (current.isFosterParenting()) { + fatal(); + elt = createAndInsertFosterParentedElement("http://www.w3.org/1999/xhtml", "form", attributes + // CPPONLY: , htmlCreator(NS_NewHTMLFormElement) + ); + } else { + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + elt = createElement("http://www.w3.org/1999/xhtml", "form", attributes, currentNode + // CPPONLY: , htmlCreator(NS_NewHTMLFormElement) + ); + appendElement(elt, currentNode); + } + + if (!isTemplateContents()) { + formPointer = elt; + } + + StackNode<T> node = createStackNode(ElementName.FORM, + elt + // [NOCPP[ + , errorHandler == null ? null : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + ); + push(node); + } + + private void appendToCurrentNodeAndPushFormattingElementMayFoster( + ElementName elementName, HtmlAttributes attributes) + throws SAXException { + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + // ]NOCPP] + // This method can't be called for custom elements + HtmlAttributes clone = attributes.cloneAttributes(); + // Attributes must not be read after calling createElement, because + // createElement may delete attributes in C++. + T elt; + StackNode<T> current = stack[currentPtr]; + if (current.isFosterParenting()) { + fatal(); + elt = createAndInsertFosterParentedElement("http://www.w3.org/1999/xhtml", elementName.getName(), attributes + // CPPONLY: , htmlCreator(elementName.getHtmlCreator()) + ); + } else { + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + elt = createElement("http://www.w3.org/1999/xhtml", elementName.getName(), attributes, currentNode + // CPPONLY: , htmlCreator(elementName.getHtmlCreator()) + ); + appendElement(elt, currentNode); + } + StackNode<T> node = createStackNode(elementName, elt, clone + // [NOCPP[ + , errorHandler == null ? null : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + ); + push(node); + append(node); + node.retain(); // append doesn't retain itself + } + + private void appendToCurrentNodeAndPushElement(ElementName elementName, + HtmlAttributes attributes) + throws SAXException { + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + // ]NOCPP] + // This method can't be called for custom elements + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + T elt = createElement("http://www.w3.org/1999/xhtml", elementName.getName(), attributes, currentNode + // CPPONLY: , htmlCreator(elementName.getHtmlCreator()) + ); + if (ElementName.TEMPLATE == elementName) { + T root = getDeclarativeShadowRoot(currentNode, elt, attributes); + if (root != null) { + setDocumentFragmentForTemplate(elt, root); + elt = root; + } else { + appendElement(elt, currentNode); + elt = getDocumentFragmentForTemplate(elt); + } + } else { + appendElement(elt, currentNode); + } + StackNode<T> node = createStackNode(elementName, elt + // [NOCPP[ + , errorHandler == null ? null : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + ); + push(node); + } + + private void appendToCurrentNodeAndPushElementMayFoster(ElementName elementName, + HtmlAttributes attributes) + throws SAXException { + @Local String popName = elementName.getName(); + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + if (!elementName.isInterned()) { + popName = checkPopName(popName); + } + // ]NOCPP] + T elt; + StackNode<T> current = stack[currentPtr]; + if (current.isFosterParenting()) { + fatal(); + elt = createAndInsertFosterParentedElement("http://www.w3.org/1999/xhtml", popName, attributes + // CPPONLY: , htmlCreator(elementName.getHtmlCreator()) + ); + } else { + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + elt = createElement("http://www.w3.org/1999/xhtml", popName, attributes, currentNode + // CPPONLY: , htmlCreator(elementName.getHtmlCreator()) + ); + appendElement(elt, currentNode); + } + StackNode<T> node = createStackNode(elementName, elt, popName + // [NOCPP[ + , errorHandler == null ? null : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + ); + push(node); + } + + private void appendToCurrentNodeAndPushElementMayFosterMathML( + ElementName elementName, HtmlAttributes attributes) + throws SAXException { + @Local String popName = elementName.getName(); + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1998/Math/MathML"); + if (!elementName.isInterned()) { + popName = checkPopName(popName); + } + // ]NOCPP] + boolean markAsHtmlIntegrationPoint = false; + if (ElementName.ANNOTATION_XML == elementName + && annotationXmlEncodingPermitsHtml(attributes)) { + markAsHtmlIntegrationPoint = true; + } + // Attributes must not be read after calling createElement(), since + // createElement may delete the object in C++. + T elt; + StackNode<T> current = stack[currentPtr]; + if (current.isFosterParenting()) { + fatal(); + elt = createAndInsertFosterParentedElement("http://www.w3.org/1998/Math/MathML", popName, attributes + // CPPONLY: , htmlCreator(null) + ); + } else { + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + elt = createElement("http://www.w3.org/1998/Math/MathML", popName, attributes, currentNode + // CPPONLY: , htmlCreator(null) + ); + appendElement(elt, currentNode); + } + StackNode<T> node = createStackNode(elementName, elt, popName, + markAsHtmlIntegrationPoint + // [NOCPP[ + , errorHandler == null ? null : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + ); + push(node); + } + + // [NOCPP[ + T getDocumentFragmentForTemplate(T template) { + return template; + } + + void setDocumentFragmentForTemplate(T template, T fragment) { + } + + T getShadowRootFromHost(T host, T template, String shadowRootMode, boolean shadowRootDelegatesFocus) { + return null; + } + + T getFormPointerForContext(T context) { + return null; + } + // ]NOCPP] + + private boolean annotationXmlEncodingPermitsHtml(HtmlAttributes attributes) { + String encoding = attributes.getValue(AttributeName.ENCODING); + if (encoding == null) { + return false; + } + return Portability.lowerCaseLiteralEqualsIgnoreAsciiCaseString( + "application/xhtml+xml", encoding) + || Portability.lowerCaseLiteralEqualsIgnoreAsciiCaseString( + "text/html", encoding); + } + + private void appendToCurrentNodeAndPushElementMayFosterSVG( + ElementName elementName, HtmlAttributes attributes) + throws SAXException { + @Local String popName = elementName.getCamelCaseName(); + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/2000/svg"); + if (!elementName.isInterned()) { + popName = checkPopName(popName); + } + // ]NOCPP] + T elt; + StackNode<T> current = stack[currentPtr]; + if (current.isFosterParenting()) { + fatal(); + elt = createAndInsertFosterParentedElement("http://www.w3.org/2000/svg", popName, attributes + // CPPONLY: , svgCreator(elementName.getSvgCreator()) + ); + } else { + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + elt = createElement("http://www.w3.org/2000/svg", popName, attributes, currentNode + // CPPONLY: , svgCreator(elementName.getSvgCreator()) + ); + appendElement(elt, currentNode); + } + StackNode<T> node = createStackNode(elementName, popName, elt + // [NOCPP[ + , errorHandler == null ? null : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + ); + push(node); + } + + private void appendToCurrentNodeAndPushElementMayFoster(ElementName elementName, + HtmlAttributes attributes, T form) + throws SAXException { + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + // ]NOCPP] + // Can't be called for custom elements + T elt; + T formOwner = form == null || fragment || isTemplateContents() ? null : form; + StackNode<T> current = stack[currentPtr]; + if (current.isFosterParenting()) { + fatal(); + elt = createAndInsertFosterParentedElement("http://www.w3.org/1999/xhtml", elementName.getName(), + attributes, formOwner + // CPPONLY: , htmlCreator(elementName.getHtmlCreator()) + ); + } else { + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + elt = createElement("http://www.w3.org/1999/xhtml", elementName.getName(), + attributes, formOwner, currentNode + // CPPONLY: , htmlCreator(elementName.getHtmlCreator()) + ); + appendElement(elt, currentNode); + } + StackNode<T> node = createStackNode(elementName, elt + // [NOCPP[ + , errorHandler == null ? null : new TaintableLocatorImpl(tokenizer) + // ]NOCPP] + ); + push(node); + } + + private void appendVoidElementToCurrent( + ElementName elementName, HtmlAttributes attributes) + throws SAXException { + @Local String popName = elementName.getName(); + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + if (!elementName.isInterned()) { + popName = checkPopName(popName); + } + // ]NOCPP] + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + T elt = createElement("http://www.w3.org/1999/xhtml", popName, attributes, currentNode + // CPPONLY: , htmlCreator(elementName.getHtmlCreator()) + ); + appendElement(elt, currentNode); + elementPushed("http://www.w3.org/1999/xhtml", popName, elt); + elementPopped("http://www.w3.org/1999/xhtml", popName, elt); + } + + private void appendVoidElementToCurrentMayFoster( + ElementName elementName, HtmlAttributes attributes, T form) throws SAXException { + @Local String name = elementName.getName(); + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + // ]NOCPP] + // Can't be called for custom elements + T elt; + T formOwner = form == null || fragment || isTemplateContents() ? null : form; + StackNode<T> current = stack[currentPtr]; + if (current.isFosterParenting()) { + fatal(); + elt = createAndInsertFosterParentedElement("http://www.w3.org/1999/xhtml", name, + attributes, formOwner + // CPPONLY: , htmlCreator(elementName.getHtmlCreator()) + ); + } else { + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + elt = createElement("http://www.w3.org/1999/xhtml", name, + + attributes, formOwner, currentNode + // CPPONLY: , htmlCreator(elementName.getHtmlCreator()) + ); + appendElement(elt, currentNode); + } + elementPushed("http://www.w3.org/1999/xhtml", name, elt); + elementPopped("http://www.w3.org/1999/xhtml", name, elt); + } + + private void appendVoidElementToCurrentMayFoster( + ElementName elementName, HtmlAttributes attributes) + throws SAXException { + @Local String popName = elementName.getName(); + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + if (!elementName.isInterned()) { + popName = checkPopName(popName); + } + // ]NOCPP] + T elt; + StackNode<T> current = stack[currentPtr]; + if (current.isFosterParenting()) { + fatal(); + elt = createAndInsertFosterParentedElement("http://www.w3.org/1999/xhtml", popName, attributes + // CPPONLY: , htmlCreator(elementName.getHtmlCreator()) + ); + } else { + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + elt = createElement("http://www.w3.org/1999/xhtml", popName, attributes, currentNode + // CPPONLY: , htmlCreator(elementName.getHtmlCreator()) + ); + appendElement(elt, currentNode); + } + elementPushed("http://www.w3.org/1999/xhtml", popName, elt); + elementPopped("http://www.w3.org/1999/xhtml", popName, elt); + } + + private void appendVoidElementToCurrentMayFosterSVG( + ElementName elementName, HtmlAttributes attributes) + throws SAXException { + @Local String popName = elementName.getCamelCaseName(); + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/2000/svg"); + if (!elementName.isInterned()) { + popName = checkPopName(popName); + } + // ]NOCPP] + T elt; + StackNode<T> current = stack[currentPtr]; + if (current.isFosterParenting()) { + fatal(); + elt = createAndInsertFosterParentedElement("http://www.w3.org/2000/svg", popName, attributes + // CPPONLY: , svgCreator(elementName.getSvgCreator()) + ); + } else { + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + elt = createElement("http://www.w3.org/2000/svg", popName, attributes, currentNode + // CPPONLY: , svgCreator(elementName.getSvgCreator()) + ); + appendElement(elt, currentNode); + } + elementPushed("http://www.w3.org/2000/svg", popName, elt); + elementPopped("http://www.w3.org/2000/svg", popName, elt); + } + + private void appendVoidElementToCurrentMayFosterMathML( + ElementName elementName, HtmlAttributes attributes) + throws SAXException { + @Local String popName = elementName.getName(); + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1998/Math/MathML"); + if (!elementName.isInterned()) { + popName = checkPopName(popName); + } + // ]NOCPP] + T elt; + StackNode<T> current = stack[currentPtr]; + if (current.isFosterParenting()) { + fatal(); + elt = createAndInsertFosterParentedElement("http://www.w3.org/1998/Math/MathML", popName, attributes + // CPPONLY: , htmlCreator(null) + ); + } else { + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + elt = createElement("http://www.w3.org/1998/Math/MathML", popName, attributes, currentNode + // CPPONLY: , htmlCreator(null) + ); + appendElement(elt, currentNode); + } + elementPushed("http://www.w3.org/1998/Math/MathML", popName, elt); + elementPopped("http://www.w3.org/1998/Math/MathML", popName, elt); + } + + private void appendVoidInputToCurrent(HtmlAttributes attributes, T form) throws SAXException { + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + // ]NOCPP] + // Can't be called for custom elements + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + T elt = createElement("http://www.w3.org/1999/xhtml", "input", attributes, + form == null || fragment || isTemplateContents() ? null : form, currentNode + // CPPONLY: , htmlCreator(NS_NewHTMLInputElement) + ); + appendElement(elt, currentNode); + elementPushed("http://www.w3.org/1999/xhtml", "input", elt); + elementPopped("http://www.w3.org/1999/xhtml", "input", elt); + } + + private void appendVoidFormToCurrent(HtmlAttributes attributes) throws SAXException { + // [NOCPP[ + checkAttributes(attributes, "http://www.w3.org/1999/xhtml"); + // ]NOCPP] + T currentNode = nodeFromStackWithBlinkCompat(currentPtr); + T elt = createElement("http://www.w3.org/1999/xhtml", "form", + attributes, currentNode + // CPPONLY: , htmlCreator(NS_NewHTMLFormElement) + ); + formPointer = elt; + // ownership transferred to form pointer + appendElement(elt, currentNode); + elementPushed("http://www.w3.org/1999/xhtml", "form", elt); + elementPopped("http://www.w3.org/1999/xhtml", "form", elt); + } + + // [NOCPP[ + + private final void accumulateCharactersForced(@Const @NoLength char[] buf, + int start, int length) throws SAXException { + System.arraycopy(buf, start, charBuffer, charBufferLen, length); + charBufferLen += length; + } + + @Override public void ensureBufferSpace(int inputLength) + throws SAXException { + // TODO: Unify Tokenizer.strBuf and TreeBuilder.charBuffer so that + // this method becomes unnecessary. + int worstCase = charBufferLen + inputLength; + if (charBuffer == null) { + // Add an arbitrary small value to avoid immediate reallocation + // once there are a few characters in the buffer. + charBuffer = new char[worstCase + 128]; + } else if (worstCase > charBuffer.length) { + // HotSpot reportedly allocates memory with 8-byte accuracy, so + // there's no point in trying to do math here to avoid slop. + // Maybe we should add some small constant to worstCase here + // but not doing that without profiling. In C++ with jemalloc, + // the corresponding method should do math to round up here + // to avoid slop. + char[] newBuf = new char[worstCase]; + System.arraycopy(charBuffer, 0, newBuf, 0, charBufferLen); + charBuffer = newBuf; + } + } + + // ]NOCPP] + + protected void accumulateCharacters(@Const @NoLength char[] buf, int start, + int length) throws SAXException { + appendCharacters(stack[currentPtr].node, buf, start, length); + } + + // ------------------------------- // + + protected final void requestSuspension() { + tokenizer.requestSuspension(); + } + + protected abstract T createElement(@NsUri String ns, @Local String name, + HtmlAttributes attributes, T intendedParent + // CPPONLY: , @Creator Object creator + ) throws SAXException; + + protected T createElement(@NsUri String ns, @Local String name, + HtmlAttributes attributes, T form, T intendedParent + // CPPONLY: , @Creator Object creator + ) throws SAXException { + return createElement("http://www.w3.org/1999/xhtml", name, attributes, intendedParent + // CPPONLY: , creator + ); + } + + protected abstract T createHtmlElementSetAsRoot(HtmlAttributes attributes) + throws SAXException; + + protected abstract void detachFromParent(T element) throws SAXException; + + protected abstract boolean hasChildren(T element) throws SAXException; + + protected abstract void appendElement(T child, T newParent) + throws SAXException; + + protected abstract void appendChildrenToNewParent(T oldParent, T newParent) + throws SAXException; + + protected abstract void insertFosterParentedChild(T child, T table, + T stackParent) throws SAXException; + + // We don't generate CPP code for this method because it is not used in generated CPP + // code. Instead, the form owner version of this method is called with a null form owner. + // [NOCPP[ + + protected abstract T createAndInsertFosterParentedElement(@NsUri String ns, @Local String name, + HtmlAttributes attributes, T table, T stackParent) throws SAXException; + + // ]NOCPP] + + protected T createAndInsertFosterParentedElement(@NsUri String ns, @Local String name, + HtmlAttributes attributes, T form, T table, T stackParent + // CPPONLY: , @Creator Object creator + ) throws SAXException { + return createAndInsertFosterParentedElement(ns, name, attributes, table, stackParent); + }; + + protected abstract void insertFosterParentedCharacters( + @NoLength char[] buf, int start, int length, T table, T stackParent) + throws SAXException; + + protected abstract void appendCharacters(T parent, @NoLength char[] buf, + int start, int length) throws SAXException; + + protected abstract void appendComment(T parent, @NoLength char[] buf, + int start, int length) throws SAXException; + + protected abstract void appendCommentToDocument(@NoLength char[] buf, + int start, int length) throws SAXException; + + protected abstract void addAttributesToElement(T element, + HtmlAttributes attributes) throws SAXException; + + protected void markMalformedIfScript(T elt) throws SAXException { + + } + + protected void start(boolean fragmentMode) throws SAXException { + + } + + protected void end() throws SAXException { + + } + + protected void appendDoctypeToDocument(@Local String name, + String publicIdentifier, String systemIdentifier) + throws SAXException { + + } + + protected void elementPushed(@NsUri String ns, @Local String name, T node) + throws SAXException { + + } + + protected void elementPopped(@NsUri String ns, @Local String name, T node) + throws SAXException { + + } + + // [NOCPP[ + + protected void documentMode(DocumentMode m, String publicIdentifier, + String systemIdentifier) + throws SAXException { + + } + + /** + * @see nu.validator.htmlparser.common.TokenHandler#wantsComments() + */ + public boolean wantsComments() { + return wantingComments; + } + + public void setIgnoringComments(boolean ignoreComments) { + wantingComments = !ignoreComments; + } + + /** + * Sets the errorHandler. + * + * @param errorHandler + * the errorHandler to set + */ + public final void setErrorHandler(ErrorHandler errorHandler) { + this.errorHandler = errorHandler; + } + + /** + * Returns the errorHandler. + * + * @return the errorHandler + */ + public ErrorHandler getErrorHandler() { + return errorHandler; + } + + /** + * The argument MUST be an interned string or <code>null</code>. + * + * @param context + */ + public final void setFragmentContext(@Local String context) { + this.contextName = context; + this.contextNamespace = "http://www.w3.org/1999/xhtml"; + this.contextNode = null; + this.fragment = (contextName != null); + this.quirks = false; + } + + // ]NOCPP] + + /** + * @see nu.validator.htmlparser.common.TokenHandler#cdataSectionAllowed() + */ + @Inline public boolean cdataSectionAllowed() throws SAXException { + return isInForeign(); + } + + private boolean isInForeign() { + return currentPtr >= 0 + && stack[currentPtr].ns != "http://www.w3.org/1999/xhtml"; + } + + private boolean isInForeignButNotHtmlOrMathTextIntegrationPoint() { + if (currentPtr < 0) { + return false; + } + return !isSpecialParentInForeign(stack[currentPtr]); + } + + /** + * The argument MUST be an interned string or <code>null</code>. + * + * @param context + */ + public final void setFragmentContext(@Local String context, + @NsUri String ns, T node, boolean quirks) { + // [NOCPP[ + if (!((context == null && ns == null) + || "http://www.w3.org/1999/xhtml" == ns + || "http://www.w3.org/2000/svg" == ns || "http://www.w3.org/1998/Math/MathML" == ns)) { + throw new IllegalArgumentException( + "The namespace must be the HTML, SVG or MathML namespace (or null when the local name is null). Got: " + + ns); + } + // ]NOCPP] + this.contextName = context; + this.contextNamespace = ns; + this.contextNode = node; + this.fragment = (contextName != null); + this.quirks = quirks; + } + + protected final T currentNode() { + return stack[currentPtr].node; + } + + /** + * Returns the scriptingEnabled. + * + * @return the scriptingEnabled + */ + public boolean isScriptingEnabled() { + return scriptingEnabled; + } + + /** + * Sets the scriptingEnabled. + * + * @param scriptingEnabled + * the scriptingEnabled to set + */ + public void setScriptingEnabled(boolean scriptingEnabled) { + this.scriptingEnabled = scriptingEnabled; + } + + public void setForceNoQuirks(boolean forceNoQuirks) { + this.forceNoQuirks = forceNoQuirks; + } + + // Redundant method retained because previously public. + public void setIsSrcdocDocument(boolean isSrcdocDocument) { + this.setForceNoQuirks(isSrcdocDocument); + } + + public boolean isAllowDeclarativeShadowRoots() { + return allowDeclarativeShadowRoots; + } + + public void setAllowDeclarativeShadowRoots(boolean allow) { + allowDeclarativeShadowRoots = allow; + } + + // [NOCPP[ + + public void setNamePolicy(XmlViolationPolicy namePolicy) { + this.namePolicy = namePolicy; + } + + /** + * Sets the documentModeHandler. + * + * @param documentModeHandler + * the documentModeHandler to set + */ + public void setDocumentModeHandler(DocumentModeHandler documentModeHandler) { + this.documentModeHandler = documentModeHandler; + } + + /** + * Sets the reportingDoctype. + * + * @param reportingDoctype + * the reportingDoctype to set + */ + public void setReportingDoctype(boolean reportingDoctype) { + this.reportingDoctype = reportingDoctype; + } + + // ]NOCPP] + + /** + * Flushes the pending characters. Public for document.write use cases only. + * @throws SAXException + */ + public final void flushCharacters() throws SAXException { + if (charBufferLen > 0) { + if ((mode == IN_TABLE || mode == IN_TABLE_BODY || mode == IN_ROW) + && charBufferContainsNonWhitespace()) { + errNonSpaceInTable(); + reconstructTheActiveFormattingElements(); + if (!stack[currentPtr].isFosterParenting()) { + // reconstructing gave us a new current node + appendCharacters(currentNode(), charBuffer, 0, + charBufferLen); + charBufferLen = 0; + return; + } + + int tablePos = findLastOrRoot(TreeBuilder.TABLE); + int templatePos = findLastOrRoot(TreeBuilder.TEMPLATE); + + if (templatePos >= tablePos) { + appendCharacters(stack[templatePos].node, charBuffer, 0, charBufferLen); + charBufferLen = 0; + return; + } + + StackNode<T> tableElt = stack[tablePos]; + insertFosterParentedCharacters(charBuffer, 0, charBufferLen, + tableElt.node, stack[tablePos - 1].node); + charBufferLen = 0; + return; + } + appendCharacters(currentNode(), charBuffer, 0, charBufferLen); + charBufferLen = 0; + } + } + + private boolean charBufferContainsNonWhitespace() { + for (int i = 0; i < charBufferLen; i++) { + switch (charBuffer[i]) { + case ' ': + case '\t': + case '\n': + case '\r': + case '\u000C': + continue; + default: + return true; + } + } + return false; + } + + /** + * Creates a comparable snapshot of the tree builder state. Snapshot + * creation is only supported immediately after a script end tag has been + * processed. In C++ the caller is responsible for calling + * <code>delete</code> on the returned object. + * + * @return a snapshot. + * @throws SAXException + */ + @SuppressWarnings("unchecked") public TreeBuilderState<T> newSnapshot() + throws SAXException { + StackNode<T>[] listCopy = new StackNode[listPtr + 1]; + for (int i = 0; i < listCopy.length; i++) { + StackNode<T> node = listOfActiveFormattingElements[i]; + if (node != null) { + StackNode<T> newNode = new StackNode<T>(-1); + newNode.setValues(node.getFlags(), node.ns, + node.name, node.node, node.popName, + node.attributes.cloneAttributes() + // CPPONLY: , node.getHtmlCreator() + // [NOCPP[ + , node.getLocator() + // ]NOCPP] + ); + listCopy[i] = newNode; + } else { + listCopy[i] = null; + } + } + StackNode<T>[] stackCopy = new StackNode[currentPtr + 1]; + for (int i = 0; i < stackCopy.length; i++) { + StackNode<T> node = stack[i]; + int listIndex = findInListOfActiveFormattingElements(node); + if (listIndex == -1) { + StackNode<T> newNode = new StackNode<T>(-1); + newNode.setValues(node.getFlags(), node.ns, + node.name, node.node, node.popName, + null + // CPPONLY: , node.getHtmlCreator() + // [NOCPP[ + , node.getLocator() + // ]NOCPP] + ); + stackCopy[i] = newNode; + } else { + stackCopy[i] = listCopy[listIndex]; + stackCopy[i].retain(); + } + } + int[] templateModeStackCopy = new int[templateModePtr + 1]; + System.arraycopy(templateModeStack, 0, templateModeStackCopy, 0, + templateModeStackCopy.length); + return new StateSnapshot<T>(stackCopy, listCopy, templateModeStackCopy, formPointer, + headPointer, mode, originalMode, framesetOk, + needToDropLF, quirks); + } + + public boolean snapshotMatches(TreeBuilderState<T> snapshot) { + StackNode<T>[] stackCopy = snapshot.getStack(); + int stackLen = snapshot.getStackLength(); + StackNode<T>[] listCopy = snapshot.getListOfActiveFormattingElements(); + int listLen = snapshot.getListOfActiveFormattingElementsLength(); + int[] templateModeStackCopy = snapshot.getTemplateModeStack(); + int templateModeStackLen = snapshot.getTemplateModeStackLength(); + + if (stackLen != currentPtr + 1 + || listLen != listPtr + 1 + || templateModeStackLen != templateModePtr + 1 + || formPointer != snapshot.getFormPointer() + || headPointer != snapshot.getHeadPointer() + || mode != snapshot.getMode() + || originalMode != snapshot.getOriginalMode() + || framesetOk != snapshot.isFramesetOk() + || needToDropLF != snapshot.isNeedToDropLF() + || quirks != snapshot.isQuirks()) { // maybe just assert quirks + return false; + } + for (int i = listLen - 1; i >= 0; i--) { + if (listCopy[i] == null + && listOfActiveFormattingElements[i] == null) { + continue; + } else if (listCopy[i] == null + || listOfActiveFormattingElements[i] == null) { + return false; + } + if (listCopy[i].node != listOfActiveFormattingElements[i].node) { + return false; // it's possible that this condition is overly + // strict + } + } + for (int i = stackLen - 1; i >= 0; i--) { + if (stackCopy[i].node != stack[i].node) { + return false; + } + } + for (int i = templateModeStackLen - 1; i >=0; i--) { + if (templateModeStackCopy[i] != templateModeStack[i]) { + return false; + } + } + return true; + } + + @SuppressWarnings("unchecked") public void loadState( + TreeBuilderState<T> snapshot) + throws SAXException { + // CPPONLY: mCurrentHtmlScriptCannotDocumentWriteOrBlock = false; + StackNode<T>[] stackCopy = snapshot.getStack(); + int stackLen = snapshot.getStackLength(); + StackNode<T>[] listCopy = snapshot.getListOfActiveFormattingElements(); + int listLen = snapshot.getListOfActiveFormattingElementsLength(); + int[] templateModeStackCopy = snapshot.getTemplateModeStack(); + int templateModeStackLen = snapshot.getTemplateModeStackLength(); + + for (int i = 0; i <= listPtr; i++) { + if (listOfActiveFormattingElements[i] != null) { + listOfActiveFormattingElements[i].release(this); + } + } + if (listOfActiveFormattingElements.length < listLen) { + listOfActiveFormattingElements = new StackNode[listLen]; + } + listPtr = listLen - 1; + + for (int i = 0; i <= currentPtr; i++) { + stack[i].release(this); + } + if (stack.length < stackLen) { + stack = new StackNode[stackLen]; + } + currentPtr = stackLen - 1; + + if (templateModeStack.length < templateModeStackLen) { + templateModeStack = new int[templateModeStackLen]; + } + templateModePtr = templateModeStackLen - 1; + + for (int i = 0; i < listLen; i++) { + StackNode<T> node = listCopy[i]; + if (node != null) { + StackNode<T> newNode = createStackNode(node.getFlags(), node.ns, + node.name, node.node, + node.popName, + node.attributes.cloneAttributes() + // CPPONLY: , node.getHtmlCreator() + // [NOCPP[ + , node.getLocator() + // ]NOCPP] + ); + listOfActiveFormattingElements[i] = newNode; + } else { + listOfActiveFormattingElements[i] = null; + } + } + for (int i = 0; i < stackLen; i++) { + StackNode<T> node = stackCopy[i]; + int listIndex = findInArray(node, listCopy); + if (listIndex == -1) { + StackNode<T> newNode = createStackNode(node.getFlags(), node.ns, + node.name, node.node, + node.popName, + null + // CPPONLY: , node.getHtmlCreator() + // [NOCPP[ + , node.getLocator() + // ]NOCPP] + ); + stack[i] = newNode; + } else { + stack[i] = listOfActiveFormattingElements[listIndex]; + stack[i].retain(); + } + } + System.arraycopy(templateModeStackCopy, 0, templateModeStack, 0, templateModeStackLen); + formPointer = snapshot.getFormPointer(); + headPointer = snapshot.getHeadPointer(); + mode = snapshot.getMode(); + originalMode = snapshot.getOriginalMode(); + framesetOk = snapshot.isFramesetOk(); + needToDropLF = snapshot.isNeedToDropLF(); + quirks = snapshot.isQuirks(); + } + + private int findInArray(StackNode<T> node, StackNode<T>[] arr) { + for (int i = listPtr; i >= 0; i--) { + if (node == arr[i]) { + return i; + } + } + return -1; + } + + /** + * Returns <code>stack[stackPos].node</code> if <code>stackPos</code> is + * smaller than Blink's magic limit or the node at Blink's magic limit + * otherwise. + * + * In order to get Blink-compatible handling of excessive deeply-nested + * markup, this method must be used to obtain the node that is used as the + * parent node of an insertion. + * + * Blink's magic number is 512, but our counting is off by one compared to + * Blink's way of counting, so in order to get the same + * externally-observable outcome, we use 511 as our magic number. + * + * @param stackPos the stack position to attempt to read + * @return node at the position capped to Blink's magic number + * @throws SAXException + */ + private T nodeFromStackWithBlinkCompat(int stackPos) throws SAXException { + // Magic number if off by one relative to Blink's magic number, but the + // outcome is the same, because the counting is different by one. + if (stackPos > 511) { + errDeepTree(); + return stack[511].node; + } + return stack[stackPos].node; + } + /** + * @see nu.validator.htmlparser.impl.TreeBuilderState#getFormPointer() + */ + @Override + public T getFormPointer() { + return formPointer; + } + + /** + * Returns the headPointer. + * + * @return the headPointer + */ + @Override + public T getHeadPointer() { + return headPointer; + } + + /** + * @see nu.validator.htmlparser.impl.TreeBuilderState#getListOfActiveFormattingElements() + */ + @Override + public StackNode<T>[] getListOfActiveFormattingElements() { + return listOfActiveFormattingElements; + } + + /** + * @see nu.validator.htmlparser.impl.TreeBuilderState#getStack() + */ + @Override + public StackNode<T>[] getStack() { + return stack; + } + + /** + * @see nu.validator.htmlparser.impl.TreeBuilderState#getTemplateModeStack() + */ + @Override + public int[] getTemplateModeStack() { + return templateModeStack; + } + + /** + * Returns the mode. + * + * @return the mode + */ + @Override + public int getMode() { + return mode; + } + + /** + * Returns the originalMode. + * + * @return the originalMode + */ + @Override + public int getOriginalMode() { + return originalMode; + } + + /** + * Returns the framesetOk. + * + * @return the framesetOk + */ + @Override + public boolean isFramesetOk() { + return framesetOk; + } + + /** + * Returns the needToDropLF. + * + * @return the needToDropLF + */ + @Override + public boolean isNeedToDropLF() { + return needToDropLF; + } + + /** + * Returns the quirks. + * + * @return the quirks + */ + @Override + public boolean isQuirks() { + return quirks; + } + + /** + * @see nu.validator.htmlparser.impl.TreeBuilderState#getListOfActiveFormattingElementsLength() + */ + @Override + public int getListOfActiveFormattingElementsLength() { + return listPtr + 1; + } + + /** + * @see nu.validator.htmlparser.impl.TreeBuilderState#getStackLength() + */ + @Override + public int getStackLength() { + return currentPtr + 1; + } + + /** + * @see nu.validator.htmlparser.impl.TreeBuilderState#getTemplateModeStackLength() + */ + @Override + public int getTemplateModeStackLength() { + return templateModePtr + 1; + } + + /** + * Complains about an over-deep tree. Theoretically this should just be + * a warning, but in practice authors should take this as an error. + * + * @throws SAXException + */ + private void errDeepTree() throws SAXException { + err("The document tree is more than 513 elements deep, which causes Firefox and Chrome to flatten the tree."); + } + + /** + * Reports a stray start tag. + * @param name the name of the stray tag + * + * @throws SAXException + */ + private void errStrayStartTag(@Local String name) throws SAXException { + err("Stray start tag \u201C" + name + "\u201D."); + } + + /** + * Reports a stray end tag. + * @param name the name of the stray tag + * + * @throws SAXException + */ + private void errStrayEndTag(@Local String name) throws SAXException { + err("Stray end tag \u201C" + name + "\u201D."); + } + + /** + * Reports a state when elements expected to be closed were not. + * + * @param eltPos the position of the start tag on the stack of the element + * being closed. + * @param name the name of the end tag + * + * @throws SAXException + */ + private void errUnclosedElements(int eltPos, @Local String name) throws SAXException { + errNoCheck("End tag \u201C" + name + "\u201D seen, but there were open elements."); + errListUnclosedStartTags(eltPos); + } + + /** + * Reports a state when elements expected to be closed ahead of an implied + * end tag but were not. + * + * @param eltPos the position of the start tag on the stack of the element + * being closed. + * @param name the name of the end tag + * + * @throws SAXException + */ + private void errUnclosedElementsImplied(int eltPos, String name) throws SAXException { + errNoCheck("End tag \u201C" + name + "\u201D implied, but there were open elements."); + errListUnclosedStartTags(eltPos); + } + + /** + * Reports a state when elements expected to be closed ahead of an implied + * table cell close. + * + * @param eltPos the position of the start tag on the stack of the element + * being closed. + * @throws SAXException + */ + private void errUnclosedElementsCell(int eltPos) throws SAXException { + errNoCheck("A table cell was implicitly closed, but there were open elements."); + errListUnclosedStartTags(eltPos); + } + + private void errStrayDoctype() throws SAXException { + err("Stray doctype."); + } + + private void errAlmostStandardsDoctype() throws SAXException { + if (!forceNoQuirks) { + err("Almost standards mode doctype. Expected \u201C<!DOCTYPE html>\u201D."); + } + } + + private void errQuirkyDoctype() throws SAXException { + if (!forceNoQuirks) { + err("Quirky doctype. Expected \u201C<!DOCTYPE html>\u201D."); + } + } + + private void errNonSpaceInTrailer() throws SAXException { + err("Non-space character in page trailer."); + } + + private void errNonSpaceAfterFrameset() throws SAXException { + err("Non-space after \u201Cframeset\u201D."); + } + + private void errNonSpaceInFrameset() throws SAXException { + err("Non-space in \u201Cframeset\u201D."); + } + + private void errNonSpaceAfterBody() throws SAXException { + err("Non-space character after body."); + } + + private void errNonSpaceInColgroupInFragment() throws SAXException { + err("Non-space in \u201Ccolgroup\u201D when parsing fragment."); + } + + private void errNonSpaceInNoscriptInHead() throws SAXException { + err("Non-space character inside \u201Cnoscript\u201D inside \u201Chead\u201D."); + } + + private void errFooBetweenHeadAndBody(@Local String name) throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("\u201C" + name + "\u201D element between \u201Chead\u201D and \u201Cbody\u201D."); + } + + private void errStartTagWithoutDoctype() throws SAXException { + if (!forceNoQuirks) { + err("Start tag seen without seeing a doctype first. Expected \u201C<!DOCTYPE html>\u201D."); + } + } + + private void errNoSelectInTableScope() throws SAXException { + err("No \u201Cselect\u201D in table scope."); + } + + private void errStartSelectWhereEndSelectExpected() throws SAXException { + err("\u201Cselect\u201D start tag where end tag expected."); + } + + private void errStartTagWithSelectOpen(@Local String name) + throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("\u201C" + name + + "\u201D start tag with \u201Cselect\u201D open."); + } + + private void errBadStartTagInNoscriptInHead(@Local String name) throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("Bad start tag in \u201C" + name + + "\u201D in \u201Cnoscript\u201D in \u201Chead\u201D."); + } + + private void errImage() throws SAXException { + err("Saw a start tag \u201Cimage\u201D."); + } + + private void errFooSeenWhenFooOpen(@Local String name) throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("Start tag \u201C" + name + "\u201D seen but an element of the same type was already open."); + } + + private void errHeadingWhenHeadingOpen() throws SAXException { + err("Heading cannot be a child of another heading."); + } + + private void errFramesetStart() throws SAXException { + err("\u201Cframeset\u201D start tag seen."); + } + + private void errNoCellToClose() throws SAXException { + err("No cell to close."); + } + + private void errStartTagInTable(@Local String name) throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("Start tag \u201C" + name + + "\u201D seen in \u201Ctable\u201D."); + } + + private void errFormWhenFormOpen() throws SAXException { + err("Saw a \u201Cform\u201D start tag, but there was already an active \u201Cform\u201D element. Nested forms are not allowed. Ignoring the tag."); + } + + private void errTableSeenWhileTableOpen() throws SAXException { + err("Start tag for \u201Ctable\u201D seen but the previous \u201Ctable\u201D is still open."); + } + + private void errStartTagInTableBody(@Local String name) throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("\u201C" + name + "\u201D start tag in table body."); + } + + private void errEndTagSeenWithoutDoctype() throws SAXException { + if (!forceNoQuirks) { + err("End tag seen without seeing a doctype first. Expected \u201C<!DOCTYPE html>\u201D."); + } + } + + private void errEndTagAfterBody() throws SAXException { + err("Saw an end tag after \u201Cbody\u201D had been closed."); + } + + private void errEndTagSeenWithSelectOpen(@Local String name) throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("\u201C" + name + + "\u201D end tag with \u201Cselect\u201D open."); + } + + private void errGarbageInColgroup() throws SAXException { + err("Garbage in \u201Ccolgroup\u201D fragment."); + } + + private void errEndTagBr() throws SAXException { + err("End tag \u201Cbr\u201D."); + } + + private void errNoElementToCloseButEndTagSeen(@Local String name) + throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("No \u201C" + name + "\u201D element in scope but a \u201C" + + name + "\u201D end tag seen."); + } + + private void errHtmlStartTagInForeignContext(@Local String name) + throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("HTML start tag \u201C" + name + + "\u201D in a foreign namespace context."); + } + + private void errNoTableRowToClose() throws SAXException { + err("No table row to close."); + } + + private void errNonSpaceInTable() throws SAXException { + err("Misplaced non-space characters inside a table."); + } + + private void errUnclosedChildrenInRuby() throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("Unclosed children in \u201Cruby\u201D."); + } + + private void errStartTagSeenWithoutRuby(@Local String name) throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("Start tag \u201C" + + name + + "\u201D seen without a \u201Cruby\u201D element being open."); + } + + private void errSelfClosing() throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("Self-closing syntax (\u201C/>\u201D) used on a non-void HTML element. Ignoring the slash and treating as a start tag."); + } + + private void errNoCheckUnclosedElementsOnStack() throws SAXException { + errNoCheck("Unclosed elements on stack."); + } + + private void errEndTagDidNotMatchCurrentOpenElement(@Local String name, + @Local String currOpenName) throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("End tag \u201C" + + name + + "\u201D did not match the name of the current open element (\u201C" + + currOpenName + "\u201D)."); + } + + private void errEndTagViolatesNestingRules(@Local String name) throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("End tag \u201C" + name + "\u201D violates nesting rules."); + } + + private void errEofWithUnclosedElements() throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("End of file seen and there were open elements."); + // just report all remaining unclosed elements + errListUnclosedStartTags(0); + } + + /** + * Reports arriving at/near end of document with unclosed elements remaining. + * + * @param message + * the message + * @throws SAXException + */ + private void errEndWithUnclosedElements(@Local String name) throws SAXException { + if (errorHandler == null) { + return; + } + errNoCheck("End tag for \u201C" + + name + + "\u201D seen, but there were unclosed elements."); + // just report all remaining unclosed elements + errListUnclosedStartTags(0); + } +} |