llxmlparser.h
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- /**
- * @file llxmlparser.h
- * @brief LLXmlParser class definition
- *
- * $LicenseInfo:firstyear=2002&license=viewergpl$
- *
- * Copyright (c) 2002-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #ifndef LL_LLXMLPARSER_H
- #define LL_LLXMLPARSER_H
- #ifndef XML_STATIC
- #define XML_STATIC
- #endif
- #ifdef LL_STANDALONE
- #include <expat.h>
- #else
- #include "expat/expat.h"
- #endif
- class LLXmlParser
- {
- public:
- LLXmlParser();
- virtual ~LLXmlParser();
- // Parses entire file
- BOOL parseFile(const std::string &path);
- // Parses some input. Returns 0 if a fatal error is detected.
- // The last call must have isFinal true;
- // len may be zero for this call (or any other).
- S32 parse( const char* buf, int len, int isFinal );
- const char* getErrorString();
-
- S32 getCurrentLineNumber();
- S32 getCurrentColumnNumber();
- S32 getDepth() { return mDepth; }
- protected:
- // atts is array of name/value pairs, terminated by 0;
- // names and values are 0 terminated.
- virtual void startElement(const char *name, const char **atts) {}
- virtual void endElement(const char *name) {}
- // s is not 0 terminated.
- virtual void characterData(const char *s, int len) {}
-
- // target and data are 0 terminated
- virtual void processingInstruction(const char *target, const char *data) {}
- // data is 0 terminated
- virtual void comment(const char *data) {}
- virtual void startCdataSection() {}
- virtual void endCdataSection() {}
- // This is called for any characters in the XML document for
- // which there is no applicable handler. This includes both
- // characters that are part of markup which is of a kind that is
- // not reported (comments, markup declarations), or characters
- // that are part of a construct which could be reported but
- // for which no handler has been supplied. The characters are passed
- // exactly as they were in the XML document except that
- // they will be encoded in UTF-8. Line boundaries are not normalized.
- // Note that a byte order mark character is not passed to the default handler.
- // There are no guarantees about how characters are divided between calls
- // to the default handler: for example, a comment might be split between
- // multiple calls.
- virtual void defaultData(const char *s, int len) {}
- // This is called for a declaration of an unparsed (NDATA)
- // entity. The base argument is whatever was set by XML_SetBase.
- // The entityName, systemId and notationName arguments will never be null.
- // The other arguments may be.
- virtual void unparsedEntityDecl(
- const char *entityName,
- const char *base,
- const char *systemId,
- const char *publicId,
- const char *notationName) {}
- public:
- ///////////////////////////////////////////////////////////////////////////////
- // Pseudo-private methods. These are only used by internal callbacks.
-
- static void startElementHandler(void *userData, const XML_Char *name, const XML_Char **atts);
- static void endElementHandler(void *userData, const XML_Char *name);
- static void characterDataHandler(void *userData, const XML_Char *s, int len);
- static void processingInstructionHandler(void *userData, const XML_Char *target, const XML_Char *data);
- static void commentHandler(void *userData, const XML_Char *data);
- static void startCdataSectionHandler(void *userData);
- static void endCdataSectionHandler(void *userData);
- static void defaultDataHandler( void *userData, const XML_Char *s, int len);
- static void unparsedEntityDeclHandler(
- void *userData,
- const XML_Char *entityName,
- const XML_Char *base,
- const XML_Char *systemId,
- const XML_Char *publicId,
- const XML_Char *notationName);
- protected:
- XML_Parser mParser;
- int mDepth;
- std::string mAuxErrorString;
- };
- #endif // LL_LLXMLPARSER_H