From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001 From: Joe Ludwig Date: Wed, 26 Jun 2013 15:22:04 -0700 Subject: First version of the SOurce SDK 2013 --- mp/src/tier1/utlbufferutil.cpp | 559 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 559 insertions(+) create mode 100644 mp/src/tier1/utlbufferutil.cpp (limited to 'mp/src/tier1/utlbufferutil.cpp') diff --git a/mp/src/tier1/utlbufferutil.cpp b/mp/src/tier1/utlbufferutil.cpp new file mode 100644 index 00000000..f628587c --- /dev/null +++ b/mp/src/tier1/utlbufferutil.cpp @@ -0,0 +1,559 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// $Header: $ +// $NoKeywords: $ +// +// Serialization buffer +//===========================================================================// + +#pragma warning (disable : 4514) + +#include "tier1/utlbufferutil.h" +#include "tier1/utlbuffer.h" +#include "mathlib/vector.h" +#include "mathlib/vector2d.h" +#include "mathlib/vector4d.h" +#include "mathlib/vmatrix.h" +#include "Color.h" +#include +#include +#include +#include +#include +#include "tier1/utlstring.h" +#include "tier1/strtools.h" +#include "tier1/characterset.h" + +// memdbgon must be the last include file in a .cpp file!!! +#include "tier0/memdbgon.h" + + +//----------------------------------------------------------------------------- +// For serialization, set the delimiter rules +//----------------------------------------------------------------------------- +CUtlCharConversion *s_pConv = NULL; +const char *s_pUtlBufferUtilArrayDelim = NULL; +void SetSerializationDelimiter( CUtlCharConversion *pConv ) +{ + s_pConv = pConv; +} + +void SetSerializationArrayDelimiter( const char *pDelimiter ) +{ + s_pUtlBufferUtilArrayDelim = pDelimiter; +} + + +//----------------------------------------------------------------------------- +// Serialize a floating point number in text mode in a readably friendly fashion +//----------------------------------------------------------------------------- +static void SerializeFloat( CUtlBuffer &buf, float f ) +{ + Assert( buf.IsText() ); + + // FIXME: Print this in a way that we never lose precision + char pTemp[256]; + int nLen = Q_snprintf( pTemp, sizeof(pTemp), "%.10f", f ); + while ( nLen > 0 && pTemp[nLen-1] == '0' ) + { + --nLen; + pTemp[nLen] = 0; + } + if ( nLen > 0 && pTemp[nLen-1] == '.' ) + { + --nLen; + pTemp[nLen] = 0; + } + buf.PutString( pTemp ); +} + +static void SerializeFloats( CUtlBuffer &buf, int nCount, const float *pFloats ) +{ + for ( int i = 0; i < nCount; ++i ) + { + SerializeFloat( buf, pFloats[i] ); + if ( i != nCount-1 ) + { + buf.PutChar( ' ' ); + } + } +} + + +//----------------------------------------------------------------------------- +// Serialization methods for basic types +//----------------------------------------------------------------------------- +bool Serialize( CUtlBuffer &buf, const bool &src ) +{ + if ( buf.IsText() ) + { + buf.Printf( "%d", src ); + } + else + { + buf.PutChar( src ); + } + return buf.IsValid(); +} + +bool Unserialize( CUtlBuffer &buf, bool &dest ) +{ + if ( buf.IsText() ) + { + int nValue = 0; + int nRetVal = buf.Scanf( "%d", &nValue ); + dest = ( nValue != 0 ); + return (nRetVal == 1) && buf.IsValid(); + } + + dest = ( buf.GetChar( ) != 0 ); + return buf.IsValid(); +} + + +bool Serialize( CUtlBuffer &buf, const int &src ) +{ + if ( buf.IsText() ) + { + buf.Printf( "%d", src ); + } + else + { + buf.PutInt( src ); + } + return buf.IsValid(); +} + +bool Unserialize( CUtlBuffer &buf, int &dest ) +{ + if ( buf.IsText() ) + { + int nRetVal = buf.Scanf( "%d", &dest ); + return (nRetVal == 1) && buf.IsValid(); + } + + dest = buf.GetInt( ); + return buf.IsValid(); +} + +bool Serialize( CUtlBuffer &buf, const float &src ) +{ + if ( buf.IsText() ) + { + SerializeFloat( buf, src ); + } + else + { + buf.PutFloat( src ); + } + return buf.IsValid(); +} + +bool Unserialize( CUtlBuffer &buf, float &dest ) +{ + if ( buf.IsText() ) + { + // FIXME: Print this in a way that we never lose precision + int nRetVal = buf.Scanf( "%f", &dest ); + return (nRetVal == 1) && buf.IsValid(); + } + + dest = buf.GetFloat( ); + return buf.IsValid(); +} + + +//----------------------------------------------------------------------------- +// Attribute types related to vector math +//----------------------------------------------------------------------------- +bool Serialize( CUtlBuffer &buf, const Vector2D &src ) +{ + if ( buf.IsText() ) + { + SerializeFloats( buf, 2, src.Base() ); + } + else + { + buf.PutFloat( src.x ); + buf.PutFloat( src.y ); + } + return buf.IsValid(); +} + +bool Unserialize( CUtlBuffer &buf, Vector2D &dest ) +{ + if ( buf.IsText() ) + { + // FIXME: Print this in a way that we never lose precision + int nRetVal = buf.Scanf( "%f %f", &dest.x, &dest.y ); + return (nRetVal == 2) && buf.IsValid(); + } + + dest.x = buf.GetFloat( ); + dest.y = buf.GetFloat( ); + return buf.IsValid(); +} + +bool Serialize( CUtlBuffer &buf, const Vector &src ) +{ + if ( buf.IsText() ) + { + SerializeFloats( buf, 3, src.Base() ); + } + else + { + buf.PutFloat( src.x ); + buf.PutFloat( src.y ); + buf.PutFloat( src.z ); + } + return buf.IsValid(); +} + +bool Unserialize( CUtlBuffer &buf, Vector &dest ) +{ + if ( buf.IsText() ) + { + // FIXME: Print this in a way that we never lose precision + int nRetVal = buf.Scanf( "%f %f %f", &dest.x, &dest.y, &dest.z ); + return (nRetVal == 3) && buf.IsValid(); + } + + dest.x = buf.GetFloat( ); + dest.y = buf.GetFloat( ); + dest.z = buf.GetFloat( ); + return buf.IsValid(); +} + +bool Serialize( CUtlBuffer &buf, const Vector4D &src ) +{ + if ( buf.IsText() ) + { + SerializeFloats( buf, 4, src.Base() ); + } + else + { + buf.PutFloat( src.x ); + buf.PutFloat( src.y ); + buf.PutFloat( src.z ); + buf.PutFloat( src.w ); + } + return buf.IsValid(); +} + +bool Unserialize( CUtlBuffer &buf, Vector4D &dest ) +{ + if ( buf.IsText() ) + { + // FIXME: Print this in a way that we never lose precision + int nRetVal = buf.Scanf( "%f %f %f %f", &dest.x, &dest.y, &dest.z, &dest.w ); + return (nRetVal == 4) && buf.IsValid(); + } + + dest.x = buf.GetFloat( ); + dest.y = buf.GetFloat( ); + dest.z = buf.GetFloat( ); + dest.w = buf.GetFloat( ); + return buf.IsValid(); +} + +bool Serialize( CUtlBuffer &buf, const QAngle &src ) +{ + if ( buf.IsText() ) + { + SerializeFloats( buf, 3, src.Base() ); + } + else + { + buf.PutFloat( src.x ); + buf.PutFloat( src.y ); + buf.PutFloat( src.z ); + } + return buf.IsValid(); +} + +bool Unserialize( CUtlBuffer &buf, QAngle &dest ) +{ + if ( buf.IsText() ) + { + // FIXME: Print this in a way that we never lose precision + int nRetVal = buf.Scanf( "%f %f %f", &dest.x, &dest.y, &dest.z ); + return (nRetVal == 3) && buf.IsValid(); + } + + dest.x = buf.GetFloat( ); + dest.y = buf.GetFloat( ); + dest.z = buf.GetFloat( ); + return buf.IsValid(); +} + +bool Serialize( CUtlBuffer &buf, const Quaternion &src ) +{ + if ( buf.IsText() ) + { + SerializeFloats( buf, 4, &src.x ); + } + else + { + buf.PutFloat( src.x ); + buf.PutFloat( src.y ); + buf.PutFloat( src.z ); + buf.PutFloat( src.w ); + } + return buf.IsValid(); +} + +bool Unserialize( CUtlBuffer &buf, Quaternion &dest ) +{ + if ( buf.IsText() ) + { + // FIXME: Print this in a way that we never lose precision + int nRetVal = buf.Scanf( "%f %f %f %f", &dest.x, &dest.y, &dest.z, &dest.w ); + return (nRetVal == 4) && buf.IsValid(); + } + + dest.x = buf.GetFloat( ); + dest.y = buf.GetFloat( ); + dest.z = buf.GetFloat( ); + dest.w = buf.GetFloat( ); + return buf.IsValid(); +} + +bool Serialize( CUtlBuffer &buf, const VMatrix &src ) +{ + if ( buf.IsText() ) + { + buf.Printf( "\n" ); + SerializeFloats( buf, 4, src[0] ); + buf.Printf( "\n" ); + SerializeFloats( buf, 4, src[1] ); + buf.Printf( "\n" ); + SerializeFloats( buf, 4, src[2] ); + buf.Printf( "\n" ); + SerializeFloats( buf, 4, src[3] ); + buf.Printf( "\n" ); + } + else + { + buf.Put( &src, sizeof(VMatrix) ); + } + return buf.IsValid(); +} + +bool Unserialize( CUtlBuffer &buf, VMatrix &dest ) +{ + if ( !buf.IsValid() ) + return false; + + if ( buf.IsText() ) + { + int nRetVal = buf.Scanf( "%f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f", + &dest[ 0 ][ 0 ], &dest[ 0 ][ 1 ], &dest[ 0 ][ 2 ], &dest[ 0 ][ 3 ], + &dest[ 1 ][ 0 ], &dest[ 1 ][ 1 ], &dest[ 1 ][ 2 ], &dest[ 1 ][ 3 ], + &dest[ 2 ][ 0 ], &dest[ 2 ][ 1 ], &dest[ 2 ][ 2 ], &dest[ 2 ][ 3 ], + &dest[ 3 ][ 0 ], &dest[ 3 ][ 1 ], &dest[ 3 ][ 2 ], &dest[ 3 ][ 3 ] ); + return (nRetVal == 16); + } + + buf.Get( &dest, sizeof(VMatrix) ); + return true; +} + + +//----------------------------------------------------------------------------- +// Color attribute +//----------------------------------------------------------------------------- +bool Serialize( CUtlBuffer &buf, const Color &src ) +{ + if ( buf.IsText() ) + { + buf.Printf( "%d %d %d %d", src[0], src[1], src[2], src[3] ); + } + else + { + buf.PutUnsignedChar( src[0] ); + buf.PutUnsignedChar( src[1] ); + buf.PutUnsignedChar( src[2] ); + buf.PutUnsignedChar( src[3] ); + } + return buf.IsValid(); +} + +bool Unserialize( CUtlBuffer &buf, Color &dest ) +{ + if ( buf.IsText() ) + { + int r = 0, g = 0, b = 0, a = 255; + int nRetVal = buf.Scanf( "%d %d %d %d", &r, &g, &b, &a ); + dest.SetColor( r, g, b, a ); + return (nRetVal == 4) && buf.IsValid(); + } + + dest[0] = buf.GetUnsignedChar( ); + dest[1] = buf.GetUnsignedChar( ); + dest[2] = buf.GetUnsignedChar( ); + dest[3] = buf.GetUnsignedChar( ); + return buf.IsValid(); +} + +/* +//----------------------------------------------------------------------------- +// Object ID attribute +//----------------------------------------------------------------------------- +bool Serialize( CUtlBuffer &buf, const DmObjectId_t &src ) +{ + return g_pDataModel->Serialize( buf, src ); +} + +bool Unserialize( CUtlBuffer &buf, DmObjectId_t &dest ) +{ + return g_pDataModel->Unserialize( buf, &dest ); +} +*/ + +//----------------------------------------------------------------------------- +// Binary buffer attribute +//----------------------------------------------------------------------------- +bool Serialize( CUtlBuffer &buf, const CUtlBinaryBlock &src ) +{ + int nLength = src.Length(); + if ( !buf.IsText() ) + { + buf.PutInt( nLength ); + if ( nLength != 0 ) + { + buf.Put( src.Get(), nLength ); + } + return buf.IsValid(); + } + + // Writes out uuencoded binaries + for ( int i = 0; i < nLength; ++i ) + { + if ( (i % 40) == 0 ) + { + buf.PutChar( '\n' ); + } + + char b1 = src[i] & 0xF; + char b2 = src[i] >> 4; + + char c1 = ( b1 <= 9 ) ? b1 + '0' : b1 - 10 + 'A'; + char c2 = ( b2 <= 9 ) ? b2 + '0' : b2 - 10 + 'A'; + + buf.PutChar( c2 ); + buf.PutChar( c1 ); + } + + buf.PutChar( '\n' ); + return buf.IsValid(); +} + +static int CountBinaryBytes( CUtlBuffer &buf, int *pEndGet ) +{ + // This counts the number of bytes in the uuencoded text + int nStartGet = buf.TellGet(); + buf.EatWhiteSpace(); + *pEndGet = buf.TellGet(); + int nByteCount = 0; + while ( buf.IsValid() ) + { + char c1 = buf.GetChar(); + char c2 = buf.GetChar(); + + bool bIsNum1 = ( c1 >= '0' ) && ( c1 <= '9' ); + bool bIsNum2 = ( c2 >= '0' ) && ( c2 <= '9' ); + + bool bIsAlpha1 = (( c1 >= 'A' ) && ( c1 <= 'F' )) || (( c1 >= 'a' ) && ( c1 <= 'f' )); + bool bIsAlpha2 = (( c2 >= 'A' ) && ( c2 <= 'F' )) || (( c2 >= 'a' ) && ( c2 <= 'f' )); + + if ( !(bIsNum1 || bIsAlpha1) || !(bIsNum2 || bIsAlpha2) ) + break; + + buf.EatWhiteSpace(); + *pEndGet = buf.TellGet(); + ++nByteCount; + } + buf.SeekGet( CUtlBuffer::SEEK_HEAD, nStartGet ); + return nByteCount; +} + +inline static unsigned char HexCharToInt( int c1 ) +{ + if (( c1 >= '0' ) && ( c1 <= '9' )) + return c1 - '0'; + + if (( c1 >= 'A' ) && ( c1 <= 'F' )) + return 10 + c1 - 'A'; + + if (( c1 >= 'a' ) && ( c1 <= 'f' )) + return 10 + c1 - 'a'; + + return 0xFF; +} + +bool Unserialize( CUtlBuffer &buf, CUtlBinaryBlock &dest ) +{ + if ( !buf.IsText() ) + { + int nLen = buf.GetInt( ); + dest.SetLength( nLen ); + if ( dest.Length() != 0 ) + { + buf.Get( dest.Get(), dest.Length() ); + } + + if ( nLen != dest.Length() ) + { + buf.SeekGet( CUtlBuffer::SEEK_CURRENT, nLen - dest.Length() ); + return false; + } + + return buf.IsValid(); + } + + int nEndGet; + int nByteCount = CountBinaryBytes( buf, &nEndGet ); + if ( nByteCount < 0 ) + return false; + + buf.EatWhiteSpace(); + int nDest = 0; + dest.SetLength( nByteCount ); + while( buf.TellGet() < nEndGet ) + { + char c1 = buf.GetChar(); + char c2 = buf.GetChar(); + + unsigned char b1 = HexCharToInt( c1 ); + unsigned char b2 = HexCharToInt( c2 ); + if ( b1 == 0xFF || b2 == 0xFF ) + return false; + + dest[ nDest++ ] = b2 | ( b1 << 4 ); + buf.EatWhiteSpace(); + } + + return true; +} + + +//----------------------------------------------------------------------------- +// String attribute +//----------------------------------------------------------------------------- +bool Serialize( CUtlBuffer &buf, const CUtlString &src ) +{ + buf.PutDelimitedString( s_pConv, src.Get() ); + return buf.IsValid(); +} + +bool Unserialize( CUtlBuffer &buf, CUtlString &dest ) +{ + int nLen = buf.PeekDelimitedStringLength( s_pConv ); + dest.SetLength( nLen - 1 ); // -1 because the length returned includes space for \0 + buf.GetDelimitedString( s_pConv, dest.Get(), nLen ); + return buf.IsValid(); +} + + + + -- cgit v1.2.3