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Diffstat (limited to 'public/keyvaluescompiler.h')
| -rw-r--r-- | public/keyvaluescompiler.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/public/keyvaluescompiler.h b/public/keyvaluescompiler.h new file mode 100644 index 0000000..ff6cc40 --- /dev/null +++ b/public/keyvaluescompiler.h @@ -0,0 +1,188 @@ +//========= 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 |