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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================
#ifndef KEYVALUESCOMPILER_H
#define KEYVALUESCOMPILER_H
#ifdef _WIN32
#pragma once
#endif
#include "tier0/platform.h"
#include "tier1/utlbuffer.h"
#include "tier1/utlsymbol.h"
#include "tier1/utldict.h"
class KeyValues;
#define COMPILED_KEYVALUES_ID MAKEID( 'V', 'K', 'V', 'F' )
#define COMPILED_KEYVALUES_VERSION 1
struct KVHeader_t
{
int fileid;
int version;
int numStrings;
};
#pragma pack(1)
struct KVFile_t
{
KVFile_t() :
filename( 0 ),
firstElement( 0 ),
numElements( 0 )
{
}
short filename;
short firstElement;
short numElements;
};
struct KVInfo_t
{
KVInfo_t() :
key( 0 ),
value( 0 ),
parentIndex( -1 ),
issubtree( false )
{
}
inline void SetParent( int index )
{
Assert( index <= 32768 );
parentIndex = index;
}
inline short GetParent() const
{
return parentIndex;
}
inline void SetSubTree( bool state )
{
issubtree = state;
}
inline bool IsSubTree() const
{
return issubtree;
}
short key;
short value;
private:
short parentIndex;
bool issubtree;
};
#pragma pack()
//-----------------------------------------------------------------------------
// Purpose: stringtable is a session global string table.
//-----------------------------------------------------------------------------
class CCompiledKeyValuesWriter
{
public:
CCompiledKeyValuesWriter()
{
m_StringTable.AddString( "" );
}
void AppendKeyValuesFile( char const *filename );
void WriteFile( char const *outfile );
private:
void Describe( const KVFile_t& file );
void BuildKVData_R( KeyValues *kv, int parent );
void WriteStringTable( CUtlBuffer& buf );
void WriteData( CUtlBuffer& buf );
void WriteFiles( CUtlBuffer &buf );
CUtlVector< KVFile_t > m_Files;
CUtlVector< KVInfo_t > m_Data;
CUtlSymbolTable m_StringTable;
};
class CRunTimeKeyValuesStringTable
{
public:
bool ReadStringTable( int numStrings, CUtlBuffer& buf );
inline int Count() const
{
return m_Strings.Count();
}
inline char const *Lookup( short index )
{
return m_Strings[ index ];
}
private:
CUtlVector< const char * > m_Strings;
};
class CCompiledKeyValuesReader
{
public:
CCompiledKeyValuesReader();
bool LoadFile( char const *filename );
KeyValues *Instance( char const *kvfilename );
bool InstanceInPlace( KeyValues& head, char const *kvfilename );
bool LookupKeyValuesRootKeyName( char const *kvfilename, char *outbuf, size_t bufsize );
int First() const;
int Next( int i ) const;
int InvalidIndex() const;
void GetFileName( int index, char *buf, size_t bufsize );
private:
struct FileInfo_t
{
FileInfo_t() :
hFile( 0 ),
nFirstIndex( 0 ),
nCount( 0 )
{
}
FileNameHandle_t hFile;
short nFirstIndex;
short nCount;
static bool Less( const FileInfo_t& lhs, const FileInfo_t& rhs )
{
return lhs.hFile < rhs.hFile;
}
};
KeyValues *CreateFromData( const FileInfo_t& info );
bool CreateInPlaceFromData( KeyValues& head, const FileInfo_t& info );
// Now get the actual files
CUtlRBTree< FileInfo_t, unsigned short > m_Dict;
CUtlVector< KVInfo_t > m_Data;
CRunTimeKeyValuesStringTable m_StringTable;
CUtlBuffer m_LoadBuffer;
};
#endif // KEYVALUESCOMPILER_H
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