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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_XMLREADER_XMLREADER_HXX
+#define INCLUDED_XMLREADER_XMLREADER_HXX
+
+#include <sal/config.h>
+
+#include <stack>
+#include <vector>
+
+#include <osl/file.h>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+#include <xmlreader/detail/xmlreaderdllapi.hxx>
+#include <xmlreader/pad.hxx>
+#include <xmlreader/span.hxx>
+
+namespace xmlreader {
+
+class OOO_DLLPUBLIC_XMLREADER XmlReader {
+public:
+ explicit XmlReader(OUString const & fileUrl);
+
+ ~XmlReader();
+
+ enum { NAMESPACE_NONE = -2, NAMESPACE_UNKNOWN = -1, NAMESPACE_XML = 0 };
+
+ enum class Text { NONE, Raw, Normalized };
+
+ enum class Result { Begin, End, Text, Done };
+
+ int registerNamespaceIri(Span const & iri);
+
+ // RESULT_BEGIN: data = localName, ns = ns
+ // RESULT_END: data, ns unused
+ // RESULT_TEXT: data = text, ns unused
+ Result nextItem(Text reportText, Span * data, int * nsId);
+
+ bool nextAttribute(int * nsId, Span * localName);
+
+ // the span returned by getAttributeValue is only valid until the next call
+ // to nextItem or getAttributeValue
+ Span getAttributeValue(bool fullyNormalize);
+
+ int getNamespaceId(Span const & prefix) const;
+
+ const OUString& getUrl() const { return fileUrl_;}
+
+private:
+ XmlReader(const XmlReader&) = delete;
+ XmlReader& operator=(const XmlReader&) = delete;
+
+ typedef std::vector< Span > NamespaceIris;
+
+ // If NamespaceData (and similarly ElementData and AttributeData) is made
+ // SAL_DLLPRIVATE, at least gcc 4.2.3 erroneously warns about
+ // "'xmlreader::XmlReader' declared with greater visibility than the type of
+ // its field 'xmlreader::XmlReader::namespaces_'" (and similarly for
+ // elements_ and attributes_):
+
+ struct NamespaceData {
+ Span prefix;
+ int nsId;
+
+ NamespaceData():
+ nsId(-1) {}
+
+ NamespaceData(Span const & thePrefix, int theNsId):
+ prefix(thePrefix), nsId(theNsId) {}
+ };
+
+ typedef std::vector< NamespaceData > NamespaceList;
+
+ struct ElementData {
+ Span name;
+ NamespaceList::size_type inheritedNamespaces;
+ int defaultNamespaceId;
+
+ ElementData(
+ Span const & theName,
+ NamespaceList::size_type theInheritedNamespaces,
+ int theDefaultNamespaceId):
+ name(theName), inheritedNamespaces(theInheritedNamespaces),
+ defaultNamespaceId(theDefaultNamespaceId)
+ {}
+ };
+
+ typedef std::stack< ElementData > ElementStack;
+
+ struct AttributeData {
+ char const * nameBegin;
+ char const * nameEnd;
+ char const * nameColon;
+ char const * valueBegin;
+ char const * valueEnd;
+
+ AttributeData(
+ char const * theNameBegin, char const * theNameEnd,
+ char const * theNameColon, char const * theValueBegin,
+ char const * theValueEnd):
+ nameBegin(theNameBegin), nameEnd(theNameEnd),
+ nameColon(theNameColon), valueBegin(theValueBegin),
+ valueEnd(theValueEnd)
+ {}
+ };
+
+ typedef std::vector< AttributeData > Attributes;
+
+ enum class State { Content, StartTag, EndTag, EmptyElementTag, Done };
+
+ SAL_DLLPRIVATE char read() { return pos_ == end_ ? '\0' : *pos_++; }
+
+ SAL_DLLPRIVATE char peek() const { return pos_ == end_ ? '\0' : *pos_; }
+
+ SAL_DLLPRIVATE void normalizeLineEnds(Span const & text);
+
+ SAL_DLLPRIVATE void skipSpace();
+
+ SAL_DLLPRIVATE bool skipComment();
+
+ SAL_DLLPRIVATE void skipProcessingInstruction();
+
+ SAL_DLLPRIVATE void skipDocumentTypeDeclaration();
+
+ SAL_DLLPRIVATE Span scanCdataSection();
+
+ SAL_DLLPRIVATE bool scanName(char const ** nameColon);
+
+ SAL_DLLPRIVATE int scanNamespaceIri(
+ char const * begin, char const * end);
+
+ SAL_DLLPRIVATE char const * handleReference(
+ char const * position, char const * end);
+
+ SAL_DLLPRIVATE Span handleAttributeValue(
+ char const * begin, char const * end, bool fullyNormalize);
+
+ SAL_DLLPRIVATE Result handleStartTag(int * nsId, Span * localName);
+
+ SAL_DLLPRIVATE Result handleEndTag();
+
+ SAL_DLLPRIVATE void handleElementEnd();
+
+ SAL_DLLPRIVATE Result handleSkippedText(Span * data, int * nsId);
+
+ SAL_DLLPRIVATE Result handleRawText(Span * text);
+
+ SAL_DLLPRIVATE Result handleNormalizedText(Span * text);
+
+ SAL_DLLPRIVATE static int toNamespaceId(NamespaceIris::size_type pos);
+
+ OUString const fileUrl_;
+ oslFileHandle fileHandle_;
+ sal_uInt64 fileSize_;
+ void * fileAddress_;
+ NamespaceIris namespaceIris_;
+ NamespaceList namespaces_;
+ ElementStack elements_;
+ char const * pos_;
+ char const * end_;
+ State state_;
+ Attributes attributes_;
+ Attributes::iterator currentAttribute_;
+ bool firstAttribute_;
+ Pad pad_;
+};
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */