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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_XMLREADER_XMLREADER_HXX
#define INCLUDED_XMLREADER_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 "xmlreader/detail/xmlreaderdllapi.hxx"
#include "xmlreader/pad.hxx"
#include "xmlreader/span.hxx"
namespace xmlreader {
class OOO_DLLPUBLIC_XMLREADER 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_NONE = -2, NAMESPACE_UNKNOWN = -1, NAMESPACE_XML = 0 };
enum Text { TEXT_NONE, TEXT_RAW, TEXT_NORMALIZED };
enum Result { RESULT_BEGIN, RESULT_END, RESULT_TEXT, RESULT_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;
rtl::OUString getUrl() const;
private:
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() {}
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 State {
STATE_CONTENT, STATE_START_TAG, STATE_END_TAG, STATE_EMPTY_ELEMENT_TAG,
STATE_DONE };
SAL_DLLPRIVATE inline char read() { return pos_ == end_ ? '\0' : *pos_++; }
SAL_DLLPRIVATE inline char peek() { 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 int toNamespaceId(NamespaceIris::size_type pos);
rtl::OUString 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
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