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+/*************************************************************************
+*
+* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+*
+* Copyright 2000, 2010 Oracle and/or its affiliates.
+*
+* OpenOffice.org - a multi-platform office productivity suite
+*
+* This file is part of OpenOffice.org.
+*
+* OpenOffice.org is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Lesser General Public License version 3
+* only, as published by the Free Software Foundation.
+*
+* OpenOffice.org is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU Lesser General Public License version 3 for more details
+* (a copy is included in the LICENSE file that accompanied this code).
+*
+* You should have received a copy of the GNU Lesser General Public License
+* version 3 along with OpenOffice.org. If not, see
+* <http://www.openoffice.org/license.html>
+* for a copy of the LGPLv3 License.
+*
+************************************************************************/
+
+#ifndef INCLUDED_CONFIGMGR_SOURCE_XMLREADER_HXX
+#define INCLUDED_CONFIGMGR_SOURCE_XMLREADER_HXX
+
+#include "sal/config.h"
+
+#include <stack>
+#include <vector>
+
+#include "boost/noncopyable.hpp"
+#include "com/sun/star/container/NoSuchElementException.hpp"
+#include "com/sun/star/uno/RuntimeException.hpp"
+#include "osl/file.h"
+#include "rtl/ustring.hxx"
+#include "sal/types.h"
+
+#include "pad.hxx"
+#include "span.hxx"
+
+namespace configmgr {
+
+class XmlReader: private boost::noncopyable {
+public:
+ explicit XmlReader(rtl::OUString const & fileUrl)
+ SAL_THROW((
+ com::sun::star::container::NoSuchElementException,
+ com::sun::star::uno::RuntimeException));
+
+ ~XmlReader();
+
+ enum Namespace {
+ NAMESPACE_NONE, NAMESPACE_XML, NAMESPACE_OOR, NAMESPACE_XS,
+ NAMESPACE_XSI, NAMESPACE_OTHER };
+
+ enum Text { TEXT_NONE, TEXT_RAW, TEXT_NORMALIZED };
+
+ enum Result { RESULT_BEGIN, RESULT_END, RESULT_TEXT, RESULT_DONE };
+
+ // RESULT_BEGIN: data = localName, ns = ns
+ // RESULT_END: data, ns unused
+ // RESULT_TEXT: data = text, ns unused
+ Result nextItem(Text reportText, Span * data, Namespace * ns);
+
+ bool nextAttribute(Namespace * ns, Span * localName);
+
+ // the span returned by getAttributeValue is only valid until the next call
+ // to nextItem or getAttributeValue
+ Span getAttributeValue(bool fullyNormalize);
+
+ Namespace getNamespace(Span const & prefix) const;
+
+ rtl::OUString getUrl() const;
+
+private:
+ inline char read() { return pos_ == end_ ? '\0' : *pos_++; }
+
+ inline char peek() { return pos_ == end_ ? '\0' : *pos_; }
+
+ void normalizeLineEnds(Span const & text);
+
+ void skipSpace();
+
+ bool skipComment();
+
+ void skipProcessingInstruction();
+
+ void skipDocumentTypeDeclaration();
+
+ Span scanCdataSection();
+
+ bool scanName(char const ** nameColon);
+
+ Namespace scanNamespaceIri(char const * begin, char const * end);
+
+ char const * handleReference(char const * position, char const * end);
+
+ Span handleAttributeValue(
+ char const * begin, char const * end, bool fullyNormalize);
+
+ Result handleStartTag(Namespace * ns, Span * localName);
+
+ Result handleEndTag();
+
+ void handleElementEnd();
+
+ Result handleSkippedText(Span * data, Namespace * ns);
+
+ Result handleRawText(Span * text);
+
+ Result handleNormalizedText(Span * text);
+
+ struct NamespaceData {
+ Span prefix;
+ Namespace ns;
+
+ NamespaceData() {}
+
+ NamespaceData(Span const & thePrefix, Namespace theNs):
+ prefix(thePrefix), ns(theNs) {}
+ };
+
+ typedef std::vector< NamespaceData > NamespaceList;
+
+ struct ElementData {
+ Span name;
+ NamespaceList::size_type inheritedNamespaces;
+ Namespace defaultNamespace;
+
+ ElementData(
+ Span const & theName,
+ NamespaceList::size_type theInheritedNamespaces,
+ Namespace theDefaultNamespace):
+ name(theName), inheritedNamespaces(theInheritedNamespaces),
+ defaultNamespace(theDefaultNamespace)
+ {}
+ };
+
+ 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 State {
+ STATE_CONTENT, STATE_START_TAG, STATE_END_TAG, STATE_EMPTY_ELEMENT_TAG,
+ STATE_DONE };
+
+ rtl::OUString fileUrl_;
+ oslFileHandle fileHandle_;
+ sal_uInt64 fileSize_;
+ void * fileAddress_;
+ NamespaceList namespaces_;
+ ElementStack elements_;
+ char const * pos_;
+ char const * end_;
+ State state_;
+ Attributes attributes_;
+ Attributes::iterator currentAttribute_;
+ bool firstAttribute_;
+ Pad pad_;
+};
+
+}
+
+#endif