1 files changed, 218 insertions, 0 deletions
diff --git a/parser/html/nsHtml5HtmlAttributes.cpp b/parser/html/nsHtml5HtmlAttributes.cpp
new file mode 100644
index 0000000000..dcae10e40c
--- /dev/null
+++ b/parser/html/nsHtml5HtmlAttributes.cpp
@@ -0,0 +1,218 @@
+/*
+ * Copyright (c) 2007 Henri Sivonen
+ * Copyright (c) 2008-2017 Mozilla Foundation
+ *
+ * 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.
+ */
+
+#define nsHtml5HtmlAttributes_cpp__
+
+#include "jArray.h"
+#include "nsAHtml5TreeBuilderState.h"
+#include "nsAtom.h"
+#include "nsHtml5ArrayCopy.h"
+#include "nsHtml5AtomTable.h"
+#include "nsHtml5ByteReadable.h"
+#include "nsHtml5Macros.h"
+#include "nsHtml5String.h"
+#include "nsIContent.h"
+#include "nsIContentHandle.h"
+#include "nsNameSpaceManager.h"
+#include "nsTraceRefcnt.h"
+
+#include "nsHtml5AttributeName.h"
+#include "nsHtml5ElementName.h"
+#include "nsHtml5Portability.h"
+#include "nsHtml5StackNode.h"
+#include "nsHtml5StateSnapshot.h"
+#include "nsHtml5Tokenizer.h"
+#include "nsHtml5TreeBuilder.h"
+#include "nsHtml5UTF16Buffer.h"
+
+#include "nsHtml5HtmlAttributes.h"
+
+nsHtml5HtmlAttributes* nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES = nullptr;
+
+nsHtml5HtmlAttributes::nsHtml5HtmlAttributes(int32_t aMode) : mMode(aMode) {
+  MOZ_COUNT_CTOR(nsHtml5HtmlAttributes);
+}
+
+nsHtml5HtmlAttributes::~nsHtml5HtmlAttributes() {
+  MOZ_COUNT_DTOR(nsHtml5HtmlAttributes);
+  clear(0);
+}
+
+int32_t nsHtml5HtmlAttributes::getIndex(nsHtml5AttributeName* aName) {
+  size_t len = mStorage.Length();
+  for (size_t i = 0; i < len; i++) {
+    if (mStorage.Elements()[i].GetLocal(nsHtml5AttributeName::HTML) ==
+        aName->getLocal(nsHtml5AttributeName::HTML)) {
+      // It's release asserted elsewhere that i can't be too large.
+      return i;
+    }
+  }
+  return -1;
+}
+
+nsHtml5String nsHtml5HtmlAttributes::getValue(nsHtml5AttributeName* aName) {
+  int32_t index = getIndex(aName);
+  if (index == -1) {
+    return nullptr;
+  } else {
+    return getValueNoBoundsCheck(index);
+  }
+}
+
+int32_t nsHtml5HtmlAttributes::getLength() { return mStorage.Length(); }
+
+nsAtom* nsHtml5HtmlAttributes::getLocalNameNoBoundsCheck(int32_t aIndex) {
+  MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
+             "Index out of bounds");
+  return mStorage.Elements()[aIndex].GetLocal(mMode);
+}
+
+int32_t nsHtml5HtmlAttributes::getURINoBoundsCheck(int32_t aIndex) {
+  MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
+             "Index out of bounds");
+  return mStorage.Elements()[aIndex].GetUri(mMode);
+}
+
+nsAtom* nsHtml5HtmlAttributes::getPrefixNoBoundsCheck(int32_t aIndex) {
+  MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
+             "Index out of bounds");
+  return mStorage.Elements()[aIndex].GetPrefix(mMode);
+}
+
+nsHtml5String nsHtml5HtmlAttributes::getValueNoBoundsCheck(int32_t aIndex) {
+  MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
+             "Index out of bounds");
+  return mStorage.Elements()[aIndex].GetValue();
+}
+
+int32_t nsHtml5HtmlAttributes::getLineNoBoundsCheck(int32_t aIndex) {
+  MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
+             "Index out of bounds");
+  return mStorage.Elements()[aIndex].GetLine();
+}
+
+void nsHtml5HtmlAttributes::addAttribute(nsHtml5AttributeName* aName,
+                                         nsHtml5String aValue, int32_t aLine) {
+  mStorage.AppendElement(nsHtml5AttributeEntry(aName, aValue, aLine));
+  MOZ_RELEASE_ASSERT(mStorage.Length() <= INT32_MAX,
+                     "Can't handle this many attributes.");
+}
+
+// Isindex-only, so doesn't need to deal with SVG and MathML
+void nsHtml5HtmlAttributes::AddAttributeWithLocal(nsAtom* aName,
+                                                  nsHtml5String aValue,
+                                                  int32_t aLine) {
+  mStorage.AppendElement(nsHtml5AttributeEntry(aName, aValue, aLine));
+  MOZ_RELEASE_ASSERT(mStorage.Length() <= INT32_MAX,
+                     "Can't handle this many attributes.");
+}
+
+void nsHtml5HtmlAttributes::clear(int32_t aMode) {
+  size_t len = mStorage.Length();
+  for (size_t i = 0; i < len; ++i) {
+    nsHtml5AttributeEntry& entry = mStorage.Elements()[i];
+    entry.ReleaseValue();
+  }
+  mStorage.TruncateLength(0);
+  mMode = aMode;
+  mDuplicateAttributeError = false;
+}
+
+void nsHtml5HtmlAttributes::releaseValue(int32_t aIndex) {
+  MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
+             "Index out of bounds");
+  mStorage.Elements()[aIndex].ReleaseValue();
+}
+
+void nsHtml5HtmlAttributes::clearWithoutReleasingContents() {
+  mStorage.TruncateLength(0);
+}
+
+bool nsHtml5HtmlAttributes::contains(nsHtml5AttributeName* aName) {
+  size_t len = mStorage.Length();
+  for (size_t i = 0; i < len; i++) {
+    if (mStorage.Elements()[i].GetLocal(nsHtml5AttributeName::HTML) ==
+        aName->getLocal(nsHtml5AttributeName::HTML)) {
+      return true;
+    }
+  }
+  return false;
+}
+
+void nsHtml5HtmlAttributes::adjustForMath() {
+  mMode = nsHtml5AttributeName::MATHML;
+}
+
+void nsHtml5HtmlAttributes::adjustForSvg() {
+  mMode = nsHtml5AttributeName::SVG;
+}
+
+nsHtml5HtmlAttributes* nsHtml5HtmlAttributes::cloneAttributes() {
+  MOZ_ASSERT(mStorage.IsEmpty() || !mMode);
+  nsHtml5HtmlAttributes* clone =
+      new nsHtml5HtmlAttributes(nsHtml5AttributeName::HTML);
+  size_t len = mStorage.Length();
+  for (size_t i = 0; i < len; ++i) {
+    nsHtml5AttributeEntry& entry = mStorage.Elements()[i];
+    clone->AddEntry(entry.Clone());
+  }
+  return clone;
+}
+
+bool nsHtml5HtmlAttributes::equalsAnother(nsHtml5HtmlAttributes* aOther) {
+  MOZ_ASSERT(!mMode, "Trying to compare attributes in foreign content.");
+  size_t len = mStorage.Length();
+  size_t lenOther = aOther->mStorage.Length();
+  if (mStorage.Length() != aOther->mStorage.Length()) {
+    return false;
+  }
+  for (size_t i = 0; i < len; ++i) {
+    nsHtml5AttributeEntry& entry = mStorage.Elements()[i];
+    bool found = false;
+    nsAtom* ownLocal = entry.GetLocal(nsHtml5AttributeName::HTML);
+    for (size_t j = 0; j < lenOther; ++j) {
+      nsHtml5AttributeEntry& otherEntry = aOther->mStorage.Elements()[j];
+      if (ownLocal == otherEntry.GetLocal(nsHtml5AttributeName::HTML)) {
+        found = true;
+        if (!entry.GetValue().Equals(otherEntry.GetValue())) {
+          return false;
+        }
+        break;
+      }
+    }
+    if (!found) {
+      return false;
+    }
+  }
+  return true;
+}
+
+void nsHtml5HtmlAttributes::AddEntry(nsHtml5AttributeEntry&& aEntry) {
+  mStorage.AppendElement(aEntry);
+}
+
+void nsHtml5HtmlAttributes::initializeStatics() {
+  EMPTY_ATTRIBUTES = new nsHtml5HtmlAttributes(nsHtml5AttributeName::HTML);
+}
+
+void nsHtml5HtmlAttributes::releaseStatics() { delete EMPTY_ATTRIBUTES; }