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258 lines
9.0 KiB
C++
258 lines
9.0 KiB
C++
/**
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* @file llxmltree.h
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* @author Aaron Yonas, Richard Nelson
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* @brief LLXmlTree class definition
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*
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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#ifndef LL_LLXMLTREE_H
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#define LL_LLXMLTREE_H
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#include <map>
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#include <list>
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#include "llstring.h"
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#include "llxmlparser.h"
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#include "string_table.h"
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class LLColor4;
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class LLColor4U;
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class LLQuaternion;
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class LLUUID;
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class LLVector3;
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class LLVector3d;
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class LLXmlTreeNode;
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class LLXmlTreeParser;
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//////////////////////////////////////////////////////////////
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// LLXmlTree
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class LLXmlTree
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{
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friend class LLXmlTreeNode;
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public:
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LLXmlTree();
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virtual ~LLXmlTree();
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void cleanup();
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virtual BOOL parseFile(const std::string &path, BOOL keep_contents = TRUE);
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bool parseBufferStart(bool keep_contents = true);
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bool parseBuffer(const char *buf, int len);
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bool parseBufferFinalize();
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LLXmlTreeNode* getRoot() { return mRoot; }
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void dump();
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void dumpNode( LLXmlTreeNode* node, const std::string& prefix );
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void write(std::string &buffer) const;
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void writeNode(LLXmlTreeNode *node, std::string &buffer, const std::string &indent) const;
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static LLStdStringHandle addAttributeString( const std::string& name)
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{
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return sAttributeKeys.addString( name );
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}
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public:
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// global
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static LLStdStringTable sAttributeKeys;
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protected:
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LLXmlTreeNode* mRoot;
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LLXmlTreeParser *mParser;
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// local
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LLStdStringTable mNodeNames;
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};
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//////////////////////////////////////////////////////////////
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// LLXmlTreeNode
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class LLXmlTreeNode
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{
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friend class LLXmlTree;
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friend class LLXmlTreeParser;
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protected:
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// Protected since nodes are only created and destroyed by friend classes and other LLXmlTreeNodes
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LLXmlTreeNode( const std::string& name, LLXmlTreeNode* parent, LLXmlTree* tree );
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public:
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virtual ~LLXmlTreeNode();
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const std::string& getName()
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{
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return mName;
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}
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BOOL hasName( const std::string& name )
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{
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return mName == name;
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}
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BOOL hasAttribute( const std::string& name );
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// Fast versions use cannonical_name handlee to entru in LLXmlTree::sAttributeKeys string table
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BOOL getFastAttributeBOOL( LLStdStringHandle cannonical_name, BOOL& value );
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BOOL getFastAttributeU8( LLStdStringHandle cannonical_name, U8& value );
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BOOL getFastAttributeS8( LLStdStringHandle cannonical_name, S8& value );
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BOOL getFastAttributeU16( LLStdStringHandle cannonical_name, U16& value );
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BOOL getFastAttributeS16( LLStdStringHandle cannonical_name, S16& value );
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BOOL getFastAttributeU32( LLStdStringHandle cannonical_name, U32& value );
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BOOL getFastAttributeS32( LLStdStringHandle cannonical_name, S32& value );
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BOOL getFastAttributeF32( LLStdStringHandle cannonical_name, F32& value );
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BOOL getFastAttributeF64( LLStdStringHandle cannonical_name, F64& value );
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BOOL getFastAttributeColor( LLStdStringHandle cannonical_name, LLColor4& value );
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BOOL getFastAttributeColor4( LLStdStringHandle cannonical_name, LLColor4& value );
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BOOL getFastAttributeColor4U( LLStdStringHandle cannonical_name, LLColor4U& value );
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BOOL getFastAttributeVector3( LLStdStringHandle cannonical_name, LLVector3& value );
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BOOL getFastAttributeVector3d( LLStdStringHandle cannonical_name, LLVector3d& value );
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BOOL getFastAttributeQuat( LLStdStringHandle cannonical_name, LLQuaternion& value );
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BOOL getFastAttributeUUID( LLStdStringHandle cannonical_name, LLUUID& value );
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BOOL getFastAttributeString( LLStdStringHandle cannonical_name, std::string& value );
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// Normal versions find 'name' in LLXmlTree::sAttributeKeys then call fast versions
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virtual BOOL getAttributeBOOL( const std::string& name, BOOL& value );
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virtual BOOL getAttributeU8( const std::string& name, U8& value );
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virtual BOOL getAttributeS8( const std::string& name, S8& value );
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virtual BOOL getAttributeU16( const std::string& name, U16& value );
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virtual BOOL getAttributeS16( const std::string& name, S16& value );
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virtual BOOL getAttributeU32( const std::string& name, U32& value );
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virtual BOOL getAttributeS32( const std::string& name, S32& value );
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virtual BOOL getAttributeF32( const std::string& name, F32& value );
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virtual BOOL getAttributeF64( const std::string& name, F64& value );
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virtual BOOL getAttributeColor( const std::string& name, LLColor4& value );
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virtual BOOL getAttributeColor4( const std::string& name, LLColor4& value );
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virtual BOOL getAttributeColor4U( const std::string& name, LLColor4U& value );
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virtual BOOL getAttributeVector3( const std::string& name, LLVector3& value );
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virtual BOOL getAttributeVector3d( const std::string& name, LLVector3d& value );
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virtual BOOL getAttributeQuat( const std::string& name, LLQuaternion& value );
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virtual BOOL getAttributeUUID( const std::string& name, LLUUID& value );
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virtual BOOL getAttributeString( const std::string& name, std::string& value );
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const std::string& getContents()
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{
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return mContents;
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}
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std::string getTextContents();
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LLXmlTreeNode* getParent() { return mParent; }
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LLXmlTreeNode* getFirstChild();
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LLXmlTreeNode* getNextChild();
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S32 getChildCount() { return (S32)mChildList.size(); }
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LLXmlTreeNode* getChildByName( const std::string& name ); // returns first child with name, NULL if none
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LLXmlTreeNode* getNextNamedChild(); // returns next child with name, NULL if none
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protected:
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const std::string* getAttribute( LLStdStringHandle name)
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{
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attribute_map_t::iterator iter = mAttributes.find(name);
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return (iter == mAttributes.end()) ? 0 : iter->second;
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}
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private:
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void addAttribute( const std::string& name, const std::string& value );
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void appendContents( const std::string& str );
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void addChild( LLXmlTreeNode* child );
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void dump( const std::string& prefix );
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void writeNoChild(std::string &buffer, const std::string &indent) const;
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void writeStart(std::string &buffer, const std::string &indent) const;
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void writeEnd(std::string &buffer, const std::string &indent) const;
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void writeAttributes(std::string &buffer) const;
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protected:
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typedef std::map<LLStdStringHandle, const std::string*> attribute_map_t;
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attribute_map_t mAttributes;
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private:
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std::string mName;
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std::string mContents;
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typedef std::list<class LLXmlTreeNode *> child_list_t;
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child_list_t mChildList;
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child_list_t::iterator mChildListIter;
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typedef std::multimap<LLStdStringHandle, LLXmlTreeNode *> child_map_t;
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child_map_t mChildMap; // for fast name lookups
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child_map_t::iterator mChildMapIter;
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child_map_t::iterator mChildMapEndIter;
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LLXmlTreeNode* mParent;
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LLXmlTree* mTree;
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};
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//////////////////////////////////////////////////////////////
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// LLXmlTreeParser
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class LLXmlTreeParser : public LLXmlParser
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{
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public:
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LLXmlTreeParser(LLXmlTree* tree);
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virtual ~LLXmlTreeParser();
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BOOL parseFile(const std::string &path, LLXmlTreeNode** root, BOOL keep_contents );
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void parseBufferStart(BOOL keep_contents);
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bool parseBuffer(const char *buf, int len);
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bool parseBufferFinalize(LLXmlTreeNode** root);
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protected:
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const std::string& tabs();
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// Overrides from LLXmlParser
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virtual void startElement(const char *name, const char **attributes);
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virtual void endElement(const char *name);
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virtual void characterData(const char *s, int len);
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virtual void processingInstruction(const char *target, const char *data);
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virtual void comment(const char *data);
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virtual void startCdataSection();
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virtual void endCdataSection();
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virtual void defaultData(const char *s, int len);
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virtual void unparsedEntityDecl(
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const char* entity_name,
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const char* base,
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const char* system_id,
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const char* public_id,
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const char* notation_name);
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//template method pattern
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virtual LLXmlTreeNode* CreateXmlTreeNode(const std::string& name, LLXmlTreeNode* parent);
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protected:
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LLXmlTree* mTree;
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LLXmlTreeNode* mRoot;
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LLXmlTreeNode* mCurrent;
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BOOL mDump; // Dump parse tree to llinfos as it is read.
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BOOL mKeepContents;
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};
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#endif // LL_LLXMLTREE_H
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