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96afb12087
This converts the CMake license to a pure 3-clause OSI-approved BSD License. We drop the previous license clause requiring modified versions to be plainly marked. We also update the CMake copyright to cover the full development time range.
113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#ifndef cmXMLParser_h
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#define cmXMLParser_h
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#include "cmStandardIncludes.h"
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extern "C"
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{
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void cmXMLParserStartElement(void*, const char*, const char**);
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void cmXMLParserEndElement(void*, const char*);
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void cmXMLParserCharacterDataHandler(void*, const char*, int);
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}
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/** \class cmXMLParser
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* \brief Helper class for performing XML parsing
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*
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* Superclass for all XML parsers.
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*/
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class cmXMLParser
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{
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public:
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cmXMLParser();
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virtual ~cmXMLParser();
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//! Parse given XML string
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virtual int Parse(const char* string);
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//! Parse given XML file
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virtual int ParseFile(const char* file);
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/**
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* When parsing fragments of XML or streaming XML, use the following
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* three methods. InitializeParser method initialize parser but does
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* not perform any actual parsing. ParseChunk parses framgent of
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* XML. This has to match to what was already parsed. CleanupParser
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* finishes parsing. If there were errors, CleanupParser will report
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* them.
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*/
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virtual int InitializeParser();
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virtual int ParseChunk(const char* inputString,
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std::string::size_type length);
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virtual int CleanupParser();
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protected:
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//! This variable is true if there was a parse error while parsing in
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//chunks.
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int ParseError;
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//1 Expat parser structure. Exists only during call to Parse().
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void* Parser;
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/**
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* Called before each block of input is read from the stream to check if
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* parsing is complete. Can be replaced by subclasses to change the
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* terminating condition for parsing. Parsing always stops when the end of
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* file is reached in the stream.
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*/
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virtual int ParsingComplete();
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/**
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* Called when a new element is opened in the XML source. Should be
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* replaced by subclasses to handle each element. name = Name of new
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* element. atts = Null-terminated array of attribute name/value pairs.
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* Even indices are attribute names, and odd indices are values.
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*/
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virtual void StartElement(const char* name, const char** atts);
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//! Called at the end of an element in the XML source opened when
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//StartElement was called.
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virtual void EndElement(const char* name);
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//! Called when there is character data to handle.
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virtual void CharacterDataHandler(const char* data, int length);
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//! Called by Parse to report an XML syntax error.
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virtual void ReportXmlParseError();
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/** Called by ReportXmlParseError with basic error info. */
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virtual void ReportError(int line, int column, const char* msg);
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//! Utility for convenience of subclasses. Wraps isspace C library
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// routine.
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static int IsSpace(char c);
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//! Send the given buffer to the XML parser.
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virtual int ParseBuffer(const char* buffer,
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std::string::size_type length);
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//! Send the given c-style string to the XML parser.
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int ParseBuffer(const char* buffer);
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/** Helps subclasses search for attributes on elements. */
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static const char* FindAttribute(const char** atts, const char* attribute);
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//! Callbacks for the expat
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friend void cmXMLParserStartElement(void*, const char*, const char**);
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friend void cmXMLParserEndElement(void*, const char*);
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friend void cmXMLParserCharacterDataHandler(void*, const char*, int);
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};
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#endif
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