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/**
* @file llxmltree.h
* @author Aaron Yonas, Richard Nelson
* @brief LLXmlTree class definition
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLXMLTREE_H
#define LL_LLXMLTREE_H
#include <map>
#include <list>
#include "llstring.h"
#include "llxmlparser.h"
#include "llstringtable.h"
class LLColor4;
class LLColor4U;
class LLQuaternion;
class LLUUID;
class LLVector3;
class LLVector3d;
class LLXmlTreeNode;
class LLXmlTreeParser;
//////////////////////////////////////////////////////////////
// LLXmlTree
class LLXmlTree
{
friend class LLXmlTreeNode;
public:
LLXmlTree();
virtual ~LLXmlTree();
void cleanup();
virtual bool parseFile(const std::string &path, bool keep_contents = true);
virtual bool parseString(const std::string &xml, bool keep_contents = true);
LLXmlTreeNode* getRoot() { return mRoot; }
void dump();
void dumpNode( LLXmlTreeNode* node, const std::string& prefix );
static LLStdStringHandle addAttributeString( const std::string& name)
{
return sAttributeKeys.addString( name );
}
public:
// global
static LLStdStringTable sAttributeKeys;
protected:
LLXmlTreeNode* mRoot;
// local
LLStdStringTable mNodeNames;
};
//////////////////////////////////////////////////////////////
// LLXmlTreeNode
class LLXmlTreeNode
{
friend class LLXmlTree;
friend class LLXmlTreeParser;
protected:
// Protected since nodes are only created and destroyed by friend classes and other LLXmlTreeNodes
LLXmlTreeNode( const std::string& name, LLXmlTreeNode* parent, LLXmlTree* tree );
public:
virtual ~LLXmlTreeNode();
const std::string& getName()
{
return mName;
}
bool hasName( const std::string& name )
{
return mName == name;
}
bool hasAttribute( const std::string& name );
// Fast versions use cannonical_name handlee to entru in LLXmlTree::sAttributeKeys string table
bool getFastAttributeBOOL( LLStdStringHandle cannonical_name, bool& value );
bool getFastAttributeU8( LLStdStringHandle cannonical_name, U8& value );
bool getFastAttributeS8( LLStdStringHandle cannonical_name, S8& value );
bool getFastAttributeU16( LLStdStringHandle cannonical_name, U16& value );
bool getFastAttributeS16( LLStdStringHandle cannonical_name, S16& value );
bool getFastAttributeU32( LLStdStringHandle cannonical_name, U32& value );
bool getFastAttributeS32( LLStdStringHandle cannonical_name, S32& value );
bool getFastAttributeF32( LLStdStringHandle cannonical_name, F32& value );
bool getFastAttributeF64( LLStdStringHandle cannonical_name, F64& value );
bool getFastAttributeColor( LLStdStringHandle cannonical_name, LLColor4& value );
bool getFastAttributeColor4( LLStdStringHandle cannonical_name, LLColor4& value );
bool getFastAttributeColor4U( LLStdStringHandle cannonical_name, LLColor4U& value );
bool getFastAttributeVector3( LLStdStringHandle cannonical_name, LLVector3& value );
bool getFastAttributeVector3d( LLStdStringHandle cannonical_name, LLVector3d& value );
bool getFastAttributeQuat( LLStdStringHandle cannonical_name, LLQuaternion& value );
bool getFastAttributeUUID( LLStdStringHandle cannonical_name, LLUUID& value );
bool getFastAttributeString( LLStdStringHandle cannonical_name, std::string& value );
// Normal versions find 'name' in LLXmlTree::sAttributeKeys then call fast versions
virtual bool getAttributeBOOL( const std::string& name, bool& value );
virtual bool getAttributeU8( const std::string& name, U8& value );
virtual bool getAttributeS8( const std::string& name, S8& value );
virtual bool getAttributeU16( const std::string& name, U16& value );
virtual bool getAttributeS16( const std::string& name, S16& value );
virtual bool getAttributeU32( const std::string& name, U32& value );
virtual bool getAttributeS32( const std::string& name, S32& value );
virtual bool getAttributeF32( const std::string& name, F32& value );
virtual bool getAttributeF64( const std::string& name, F64& value );
virtual bool getAttributeColor( const std::string& name, LLColor4& value );
virtual bool getAttributeColor4( const std::string& name, LLColor4& value );
virtual bool getAttributeColor4U( const std::string& name, LLColor4U& value );
virtual bool getAttributeVector3( const std::string& name, LLVector3& value );
virtual bool getAttributeVector3d( const std::string& name, LLVector3d& value );
virtual bool getAttributeQuat( const std::string& name, LLQuaternion& value );
virtual bool getAttributeUUID( const std::string& name, LLUUID& value );
virtual bool getAttributeString( const std::string& name, std::string& value );
const std::string& getContents()
{
return mContents;
}
std::string getTextContents();
LLXmlTreeNode* getParent() { return mParent; }
LLXmlTreeNode* getFirstChild();
LLXmlTreeNode* getNextChild();
S32 getChildCount() { return (S32)mChildren.size(); }
LLXmlTreeNode* getChildByName( const std::string& name ); // returns first child with name, NULL if none
LLXmlTreeNode* getNextNamedChild(); // returns next child with name, NULL if none
protected:
const std::string* getAttribute( LLStdStringHandle name)
{
attribute_map_t::iterator iter = mAttributes.find(name);
return (iter == mAttributes.end()) ? 0 : iter->second;
}
private:
void addAttribute( const std::string& name, const std::string& value );
void appendContents( const std::string& str );
void addChild( LLXmlTreeNode* child );
void dump( const std::string& prefix );
protected:
typedef std::map<LLStdStringHandle, const std::string*> attribute_map_t;
attribute_map_t mAttributes;
private:
std::string mName;
std::string mContents;
typedef std::vector<class LLXmlTreeNode *> children_t;
children_t mChildren;
children_t::iterator mChildrenIter;
typedef std::multimap<LLStdStringHandle, LLXmlTreeNode *> child_map_t;
child_map_t mChildMap; // for fast name lookups
child_map_t::iterator mChildMapIter;
child_map_t::iterator mChildMapEndIter;
LLXmlTreeNode* mParent;
LLXmlTree* mTree;
};
//////////////////////////////////////////////////////////////
// LLXmlTreeParser
class LLXmlTreeParser : public LLXmlParser
{
public:
LLXmlTreeParser(LLXmlTree* tree);
virtual ~LLXmlTreeParser();
bool parseFile(const std::string &path, LLXmlTreeNode** root, bool keep_contents);
bool parseString(const std::string &xml, LLXmlTreeNode** root, bool keep_contents);
protected:
const std::string& tabs();
// Overrides from LLXmlParser
virtual void startElement(const char *name, const char **attributes);
virtual void endElement(const char *name);
virtual void characterData(const char *s, int len);
virtual void processingInstruction(const char *target, const char *data);
virtual void comment(const char *data);
virtual void startCdataSection();
virtual void endCdataSection();
virtual void defaultData(const char *s, int len);
virtual void unparsedEntityDecl(
const char* entity_name,
const char* base,
const char* system_id,
const char* public_id,
const char* notation_name);
//template method pattern
virtual LLXmlTreeNode* CreateXmlTreeNode(const std::string& name, LLXmlTreeNode* parent);
protected:
LLXmlTree* mTree;
LLXmlTreeNode* mRoot;
LLXmlTreeNode* mCurrent;
bool mDump; // Dump parse tree to LL_INFOS() as it is read.
bool mKeepContents;
};
#endif // LL_LLXMLTREE_H
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