mirror of
https://github.com/alliedmodders/hl2sdk.git
synced 2024-12-23 01:59:43 +08:00
1085 lines
29 KiB
C++
1085 lines
29 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose:
|
|
//
|
|
// $NoKeywords: $
|
|
//
|
|
// Serialization/unserialization buffer
|
|
//=============================================================================//
|
|
|
|
#ifndef UTLBUFFER_H
|
|
#define UTLBUFFER_H
|
|
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
#include "tier1/utlmemory.h"
|
|
#include "tier1/byteswap.h"
|
|
#include <stdarg.h>
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Forward declarations
|
|
//-----------------------------------------------------------------------------
|
|
struct characterset_t;
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Description of character conversions for string output
|
|
// Here's an example of how to use the macros to define a character conversion
|
|
// BEGIN_CHAR_CONVERSION( CStringConversion, '\\' )
|
|
// { '\n', "n" },
|
|
// { '\t', "t" }
|
|
// END_CHAR_CONVERSION( CStringConversion, '\\' )
|
|
//-----------------------------------------------------------------------------
|
|
class CUtlCharConversion
|
|
{
|
|
public:
|
|
struct ConversionArray_t
|
|
{
|
|
char m_nActualChar;
|
|
const char *m_pReplacementString;
|
|
};
|
|
|
|
CUtlCharConversion( char nEscapeChar, const char *pDelimiter, int nCount, ConversionArray_t *pArray );
|
|
char GetEscapeChar() const;
|
|
const char *GetDelimiter() const;
|
|
int GetDelimiterLength() const;
|
|
|
|
const char *GetConversionString( char c ) const;
|
|
int GetConversionLength( char c ) const;
|
|
int MaxConversionLength() const;
|
|
|
|
// Finds a conversion for the passed-in string, returns length
|
|
virtual char FindConversion( const char *pString, int *pLength );
|
|
|
|
protected:
|
|
struct ConversionInfo_t
|
|
{
|
|
int m_nLength;
|
|
const char *m_pReplacementString;
|
|
};
|
|
|
|
char m_nEscapeChar;
|
|
const char *m_pDelimiter;
|
|
int m_nDelimiterLength;
|
|
int m_nCount;
|
|
int m_nMaxConversionLength;
|
|
char m_pList[256];
|
|
ConversionInfo_t m_pReplacements[256];
|
|
};
|
|
|
|
#define BEGIN_CHAR_CONVERSION( _name, _delimiter, _escapeChar ) \
|
|
static CUtlCharConversion::ConversionArray_t s_pConversionArray ## _name[] = {
|
|
|
|
#define END_CHAR_CONVERSION( _name, _delimiter, _escapeChar ) \
|
|
}; \
|
|
CUtlCharConversion _name( _escapeChar, _delimiter, sizeof( s_pConversionArray ## _name ) / sizeof( CUtlCharConversion::ConversionArray_t ), s_pConversionArray ## _name );
|
|
|
|
#define BEGIN_CUSTOM_CHAR_CONVERSION( _className, _name, _delimiter, _escapeChar ) \
|
|
static CUtlCharConversion::ConversionArray_t s_pConversionArray ## _name[] = {
|
|
|
|
#define END_CUSTOM_CHAR_CONVERSION( _className, _name, _delimiter, _escapeChar ) \
|
|
}; \
|
|
_className _name( _escapeChar, _delimiter, sizeof( s_pConversionArray ## _name ) / sizeof( CUtlCharConversion::ConversionArray_t ), s_pConversionArray ## _name );
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Character conversions for C strings
|
|
//-----------------------------------------------------------------------------
|
|
CUtlCharConversion *GetCStringCharConversion();
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Character conversions for quoted strings, with no escape sequences
|
|
//-----------------------------------------------------------------------------
|
|
CUtlCharConversion *GetNoEscCharConversion();
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Macro to set overflow functions easily
|
|
//-----------------------------------------------------------------------------
|
|
#define SetUtlBufferOverflowFuncs( _get, _put ) \
|
|
SetOverflowFuncs( static_cast <UtlBufferOverflowFunc_t>( _get ), static_cast <UtlBufferOverflowFunc_t>( _put ) )
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Command parsing..
|
|
//-----------------------------------------------------------------------------
|
|
class CUtlBuffer
|
|
{
|
|
public:
|
|
enum SeekType_t
|
|
{
|
|
SEEK_HEAD = 0,
|
|
SEEK_CURRENT,
|
|
SEEK_TAIL
|
|
};
|
|
|
|
// flags
|
|
enum BufferFlags_t
|
|
{
|
|
TEXT_BUFFER = 0x1, // Describes how get + put work (as strings, or binary)
|
|
EXTERNAL_GROWABLE = 0x2, // This is used w/ external buffers and causes the utlbuf to switch to reallocatable memory if an overflow happens when Putting.
|
|
CONTAINS_CRLF = 0x4, // For text buffers only, does this contain \n or \n\r?
|
|
READ_ONLY = 0x8, // For external buffers; prevents null termination from happening.
|
|
AUTO_TABS_DISABLED = 0x10, // Used to disable/enable push/pop tabs
|
|
};
|
|
|
|
// Overflow functions when a get or put overflows
|
|
typedef bool (CUtlBuffer::*UtlBufferOverflowFunc_t)( int nSize );
|
|
|
|
// Constructors for growable + external buffers for serialization/unserialization
|
|
CUtlBuffer( int growSize = 0, int initSize = 0, int nFlags = 0 );
|
|
CUtlBuffer( const void* pBuffer, int size, int nFlags = 0 );
|
|
// This one isn't actually defined so that we catch contructors that are trying to pass a bool in as the third param.
|
|
CUtlBuffer( const void *pBuffer, int size, bool crap );
|
|
|
|
unsigned char GetFlags() const;
|
|
|
|
// NOTE: This will assert if you attempt to recast it in a way that
|
|
// is not compatible. The only valid conversion is binary-> text w/CRLF
|
|
void SetBufferType( bool bIsText, bool bContainsCRLF );
|
|
|
|
// Makes sure we've got at least this much memory
|
|
void EnsureCapacity( int num );
|
|
|
|
// Attaches the buffer to external memory....
|
|
void SetExternalBuffer( void* pMemory, int nSize, int nInitialPut, int nFlags = 0 );
|
|
bool IsExternallyAllocated() const;
|
|
// Takes ownership of the passed memory, including freeing it when this buffer is destroyed.
|
|
void AssumeMemory( void *pMemory, int nSize, int nInitialPut, int nFlags = 0 );
|
|
|
|
// copies data from another buffer
|
|
void CopyBuffer( const CUtlBuffer &buffer );
|
|
void CopyBuffer( const void *pubData, int cubData );
|
|
|
|
void Swap( CUtlBuffer &buf );
|
|
void Swap( CUtlMemory<uint8> &mem );
|
|
|
|
FORCEINLINE void ActivateByteSwappingIfBigEndian( void )
|
|
{
|
|
if ( IsX360() )
|
|
ActivateByteSwapping( true );
|
|
}
|
|
|
|
|
|
// Controls endian-ness of binary utlbufs - default matches the current platform
|
|
void ActivateByteSwapping( bool bActivate );
|
|
void SetBigEndian( bool bigEndian );
|
|
bool IsBigEndian( void );
|
|
|
|
// Resets the buffer; but doesn't free memory
|
|
void Clear();
|
|
|
|
// Clears out the buffer; frees memory
|
|
void Purge();
|
|
|
|
// Read stuff out.
|
|
// Binary mode: it'll just read the bits directly in, and characters will be
|
|
// read for strings until a null character is reached.
|
|
// Text mode: it'll parse the file, turning text #s into real numbers.
|
|
// GetString will read a string until a space is reached
|
|
char GetChar( );
|
|
unsigned char GetUnsignedChar( );
|
|
short GetShort( );
|
|
unsigned short GetUnsignedShort( );
|
|
int GetInt( );
|
|
int64 GetInt64( );
|
|
int GetIntHex( );
|
|
unsigned int GetUnsignedInt( );
|
|
float GetFloat( );
|
|
double GetDouble( );
|
|
void GetString( char* pString, int nMaxChars = 0 );
|
|
void Get( void* pMem, int size );
|
|
void GetLine( char* pLine, int nMaxChars = 0 );
|
|
|
|
// Used for getting objects that have a byteswap datadesc defined
|
|
template <typename T> void GetObjects( T *dest, int count = 1 );
|
|
|
|
// This will get at least 1 byte and up to nSize bytes.
|
|
// It will return the number of bytes actually read.
|
|
int GetUpTo( void *pMem, int nSize );
|
|
|
|
// This version of GetString converts \" to \\ and " to \, etc.
|
|
// It also reads a " at the beginning and end of the string
|
|
void GetDelimitedString( CUtlCharConversion *pConv, char *pString, int nMaxChars = 0 );
|
|
char GetDelimitedChar( CUtlCharConversion *pConv );
|
|
|
|
// This will return the # of characters of the string about to be read out
|
|
// NOTE: The count will *include* the terminating 0!!
|
|
// In binary mode, it's the number of characters until the next 0
|
|
// In text mode, it's the number of characters until the next space.
|
|
int PeekStringLength();
|
|
|
|
// This version of PeekStringLength converts \" to \\ and " to \, etc.
|
|
// It also reads a " at the beginning and end of the string
|
|
// NOTE: The count will *include* the terminating 0!!
|
|
// In binary mode, it's the number of characters until the next 0
|
|
// In text mode, it's the number of characters between "s (checking for \")
|
|
// Specifying false for bActualSize will return the pre-translated number of characters
|
|
// including the delimiters and the escape characters. So, \n counts as 2 characters when bActualSize == false
|
|
// and only 1 character when bActualSize == true
|
|
int PeekDelimitedStringLength( CUtlCharConversion *pConv, bool bActualSize = true );
|
|
|
|
// Just like scanf, but doesn't work in binary mode
|
|
int Scanf( SCANF_FORMAT_STRING const char* pFmt, ... );
|
|
int VaScanf( const char* pFmt, va_list list );
|
|
|
|
// Eats white space, advances Get index
|
|
void EatWhiteSpace();
|
|
|
|
// Eats C++ style comments
|
|
bool EatCPPComment();
|
|
|
|
// (For text buffers only)
|
|
// Parse a token from the buffer:
|
|
// Grab all text that lies between a starting delimiter + ending delimiter
|
|
// (skipping whitespace that leads + trails both delimiters).
|
|
// If successful, the get index is advanced and the function returns true,
|
|
// otherwise the index is not advanced and the function returns false.
|
|
bool ParseToken( const char *pStartingDelim, const char *pEndingDelim, char* pString, int nMaxLen );
|
|
|
|
// Advance the get index until after the particular string is found
|
|
// Do not eat whitespace before starting. Return false if it failed
|
|
// String test is case-insensitive.
|
|
bool GetToken( const char *pToken );
|
|
|
|
// Parses the next token, given a set of character breaks to stop at
|
|
// Returns the length of the token parsed in bytes (-1 if none parsed)
|
|
int ParseToken( characterset_t *pBreaks, char *pTokenBuf, int nMaxLen, bool bParseComments = true );
|
|
|
|
// Write stuff in
|
|
// Binary mode: it'll just write the bits directly in, and strings will be
|
|
// written with a null terminating character
|
|
// Text mode: it'll convert the numbers to text versions
|
|
// PutString will not write a terminating character
|
|
void PutChar( char c );
|
|
void PutUnsignedChar( unsigned char uc );
|
|
void PutUint64( uint64 ub );
|
|
void PutInt16( int16 s16 );
|
|
void PutShort( short s );
|
|
void PutUnsignedShort( unsigned short us );
|
|
void PutInt( int i );
|
|
void PutInt64( int64 i );
|
|
void PutUnsignedInt( unsigned int u );
|
|
void PutFloat( float f );
|
|
void PutDouble( double d );
|
|
void PutString( const char* pString );
|
|
void Put( const void* pMem, int size );
|
|
|
|
// Used for putting objects that have a byteswap datadesc defined
|
|
template <typename T> void PutObjects( T *src, int count = 1 );
|
|
|
|
// This version of PutString converts \ to \\ and " to \", etc.
|
|
// It also places " at the beginning and end of the string
|
|
void PutDelimitedString( CUtlCharConversion *pConv, const char *pString );
|
|
void PutDelimitedChar( CUtlCharConversion *pConv, char c );
|
|
|
|
// Just like printf, writes a terminating zero in binary mode
|
|
void Printf( PRINTF_FORMAT_STRING const char* pFmt, ... ) FMTFUNCTION( 2, 3 );
|
|
void VaPrintf( const char* pFmt, va_list list );
|
|
|
|
// What am I writing (put)/reading (get)?
|
|
void* PeekPut( int offset = 0 );
|
|
const void* PeekGet( int offset = 0 ) const;
|
|
const void* PeekGet( int nMaxSize, int nOffset );
|
|
|
|
// Where am I writing (put)/reading (get)?
|
|
int TellPut( ) const;
|
|
int TellGet( ) const;
|
|
|
|
// What's the most I've ever written?
|
|
int TellMaxPut( ) const;
|
|
|
|
// How many bytes remain to be read?
|
|
// NOTE: This is not accurate for streaming text files; it overshoots
|
|
int GetBytesRemaining() const;
|
|
|
|
// Change where I'm writing (put)/reading (get)
|
|
void SeekPut( SeekType_t type, int offset );
|
|
void SeekGet( SeekType_t type, int offset );
|
|
|
|
// Buffer base
|
|
const void* Base() const;
|
|
void* Base();
|
|
// Returns the base as a const char*, only valid in text mode.
|
|
const char *String() const;
|
|
|
|
// memory allocation size, does *not* reflect size written or read,
|
|
// use TellPut or TellGet for that
|
|
int Size() const;
|
|
|
|
// Am I a text buffer?
|
|
bool IsText() const;
|
|
|
|
// Can I grow if I'm externally allocated?
|
|
bool IsGrowable() const;
|
|
|
|
// Am I valid? (overflow or underflow error), Once invalid it stays invalid
|
|
bool IsValid() const;
|
|
|
|
// Do I contain carriage return/linefeeds?
|
|
bool ContainsCRLF() const;
|
|
|
|
// Am I read-only
|
|
bool IsReadOnly() const;
|
|
|
|
// Converts a buffer from a CRLF buffer to a CR buffer (and back)
|
|
// Returns false if no conversion was necessary (and outBuf is left untouched)
|
|
// If the conversion occurs, outBuf will be cleared.
|
|
bool ConvertCRLF( CUtlBuffer &outBuf );
|
|
|
|
// Push/pop pretty-printing tabs
|
|
void PushTab();
|
|
void PopTab();
|
|
|
|
// Temporarily disables pretty print
|
|
void EnableTabs( bool bEnable );
|
|
|
|
protected:
|
|
// error flags
|
|
enum
|
|
{
|
|
PUT_OVERFLOW = 0x1,
|
|
GET_OVERFLOW = 0x2,
|
|
MAX_ERROR_FLAG = GET_OVERFLOW,
|
|
};
|
|
|
|
void SetOverflowFuncs( UtlBufferOverflowFunc_t getFunc, UtlBufferOverflowFunc_t putFunc );
|
|
|
|
bool OnPutOverflow( int nSize );
|
|
bool OnGetOverflow( int nSize );
|
|
|
|
protected:
|
|
// Checks if a get/put is ok
|
|
bool CheckPut( int size );
|
|
bool CheckGet( int size );
|
|
|
|
void AddNullTermination( );
|
|
|
|
// Methods to help with pretty-printing
|
|
bool WasLastCharacterCR();
|
|
void PutTabs();
|
|
|
|
// Help with delimited stuff
|
|
char GetDelimitedCharInternal( CUtlCharConversion *pConv );
|
|
void PutDelimitedCharInternal( CUtlCharConversion *pConv, char c );
|
|
|
|
// Default overflow funcs
|
|
bool PutOverflow( int nSize );
|
|
bool GetOverflow( int nSize );
|
|
|
|
// Does the next bytes of the buffer match a pattern?
|
|
bool PeekStringMatch( int nOffset, const char *pString, int nLen );
|
|
|
|
// Peek size of line to come, check memory bound
|
|
int PeekLineLength();
|
|
|
|
// How much whitespace should I skip?
|
|
int PeekWhiteSpace( int nOffset );
|
|
|
|
// Checks if a peek get is ok
|
|
bool CheckPeekGet( int nOffset, int nSize );
|
|
|
|
// Call this to peek arbitrarily long into memory. It doesn't fail unless
|
|
// it can't read *anything* new
|
|
bool CheckArbitraryPeekGet( int nOffset, int &nIncrement );
|
|
|
|
template <typename T> void GetType( T& dest, const char *pszFmt );
|
|
template <typename T> void GetTypeBin( T& dest );
|
|
template <typename T> void GetObject( T *src );
|
|
|
|
template <typename T> void PutType( T src, const char *pszFmt );
|
|
template <typename T> void PutTypeBin( T src );
|
|
template <typename T> void PutObject( T *src );
|
|
|
|
CUtlMemory<unsigned char> m_Memory;
|
|
int m_Get;
|
|
int m_Put;
|
|
|
|
unsigned char m_Error;
|
|
unsigned char m_Flags;
|
|
unsigned char m_Reserved;
|
|
#if defined( _X360 )
|
|
unsigned char pad;
|
|
#endif
|
|
|
|
int m_nTab;
|
|
int m_nMaxPut;
|
|
int m_nOffset;
|
|
|
|
UtlBufferOverflowFunc_t m_GetOverflowFunc;
|
|
UtlBufferOverflowFunc_t m_PutOverflowFunc;
|
|
|
|
CByteswap m_Byteswap;
|
|
};
|
|
|
|
|
|
// Stream style output operators for CUtlBuffer
|
|
inline CUtlBuffer &operator<<( CUtlBuffer &b, char v )
|
|
{
|
|
b.PutChar( v );
|
|
return b;
|
|
}
|
|
|
|
inline CUtlBuffer &operator<<( CUtlBuffer &b, unsigned char v )
|
|
{
|
|
b.PutUnsignedChar( v );
|
|
return b;
|
|
}
|
|
|
|
inline CUtlBuffer &operator<<( CUtlBuffer &b, short v )
|
|
{
|
|
b.PutShort( v );
|
|
return b;
|
|
}
|
|
|
|
inline CUtlBuffer &operator<<( CUtlBuffer &b, unsigned short v )
|
|
{
|
|
b.PutUnsignedShort( v );
|
|
return b;
|
|
}
|
|
|
|
inline CUtlBuffer &operator<<( CUtlBuffer &b, int v )
|
|
{
|
|
b.PutInt( v );
|
|
return b;
|
|
}
|
|
|
|
inline CUtlBuffer &operator<<( CUtlBuffer &b, unsigned int v )
|
|
{
|
|
b.PutUnsignedInt( v );
|
|
return b;
|
|
}
|
|
|
|
inline CUtlBuffer &operator<<( CUtlBuffer &b, float v )
|
|
{
|
|
b.PutFloat( v );
|
|
return b;
|
|
}
|
|
|
|
inline CUtlBuffer &operator<<( CUtlBuffer &b, double v )
|
|
{
|
|
b.PutDouble( v );
|
|
return b;
|
|
}
|
|
|
|
inline CUtlBuffer &operator<<( CUtlBuffer &b, const char *pv )
|
|
{
|
|
b.PutString( pv );
|
|
return b;
|
|
}
|
|
|
|
inline CUtlBuffer &operator<<( CUtlBuffer &b, const Vector &v )
|
|
{
|
|
b << v.x << " " << v.y << " " << v.z;
|
|
return b;
|
|
}
|
|
|
|
inline CUtlBuffer &operator<<( CUtlBuffer &b, const Vector2D &v )
|
|
{
|
|
b << v.x << " " << v.y;
|
|
return b;
|
|
}
|
|
|
|
|
|
class CUtlInplaceBuffer : public CUtlBuffer
|
|
{
|
|
public:
|
|
CUtlInplaceBuffer( int growSize = 0, int initSize = 0, int nFlags = 0 );
|
|
|
|
//
|
|
// Routines returning buffer-inplace-pointers
|
|
//
|
|
public:
|
|
//
|
|
// Upon success, determines the line length, fills out the pointer to the
|
|
// beginning of the line and the line length, advances the "get" pointer
|
|
// offset by the line length and returns "true".
|
|
//
|
|
// If end of file is reached or upon error returns "false".
|
|
//
|
|
// Note: the returned length of the line is at least one character because the
|
|
// trailing newline characters are also included as part of the line.
|
|
//
|
|
// Note: the pointer returned points into the local memory of this buffer, in
|
|
// case the buffer gets relocated or destroyed the pointer becomes invalid.
|
|
//
|
|
// e.g.: -------------
|
|
//
|
|
// char *pszLine;
|
|
// int nLineLen;
|
|
// while ( pUtlInplaceBuffer->InplaceGetLinePtr( &pszLine, &nLineLen ) )
|
|
// {
|
|
// ...
|
|
// }
|
|
//
|
|
// -------------
|
|
//
|
|
// @param ppszInBufferPtr on return points into this buffer at start of line
|
|
// @param pnLineLength on return holds num bytes accessible via (*ppszInBufferPtr)
|
|
//
|
|
// @returns true if line was successfully read
|
|
// false when EOF is reached or error occurs
|
|
//
|
|
bool InplaceGetLinePtr( /* out */ char **ppszInBufferPtr, /* out */ int *pnLineLength );
|
|
|
|
//
|
|
// Determines the line length, advances the "get" pointer offset by the line length,
|
|
// replaces the newline character with null-terminator and returns the initial pointer
|
|
// to now null-terminated line.
|
|
//
|
|
// If end of file is reached or upon error returns NULL.
|
|
//
|
|
// Note: the pointer returned points into the local memory of this buffer, in
|
|
// case the buffer gets relocated or destroyed the pointer becomes invalid.
|
|
//
|
|
// e.g.: -------------
|
|
//
|
|
// while ( char *pszLine = pUtlInplaceBuffer->InplaceGetLinePtr() )
|
|
// {
|
|
// ...
|
|
// }
|
|
//
|
|
// -------------
|
|
//
|
|
// @returns ptr-to-zero-terminated-line if line was successfully read and buffer modified
|
|
// NULL when EOF is reached or error occurs
|
|
//
|
|
char * InplaceGetLinePtr( void );
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Where am I reading?
|
|
//-----------------------------------------------------------------------------
|
|
inline int CUtlBuffer::TellGet( ) const
|
|
{
|
|
return m_Get;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// How many bytes remain to be read?
|
|
//-----------------------------------------------------------------------------
|
|
inline int CUtlBuffer::GetBytesRemaining() const
|
|
{
|
|
return m_nMaxPut - TellGet();
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// What am I reading?
|
|
//-----------------------------------------------------------------------------
|
|
inline const void* CUtlBuffer::PeekGet( int offset ) const
|
|
{
|
|
return &m_Memory[ m_Get + offset - m_nOffset ];
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Unserialization
|
|
//-----------------------------------------------------------------------------
|
|
|
|
template <typename T>
|
|
inline void CUtlBuffer::GetObject( T *dest )
|
|
{
|
|
if ( CheckGet( sizeof(T) ) )
|
|
{
|
|
if ( !m_Byteswap.IsSwappingBytes() || ( sizeof( T ) == 1 ) )
|
|
{
|
|
*dest = *(T *)PeekGet();
|
|
}
|
|
else
|
|
{
|
|
m_Byteswap.SwapFieldsToTargetEndian<T>( dest, (T*)PeekGet() );
|
|
}
|
|
m_Get += sizeof(T);
|
|
}
|
|
else
|
|
{
|
|
Q_memset( dest, 0, sizeof(T) );
|
|
}
|
|
}
|
|
|
|
|
|
template <typename T>
|
|
inline void CUtlBuffer::GetObjects( T *dest, int count )
|
|
{
|
|
for ( int i = 0; i < count; ++i, ++dest )
|
|
{
|
|
GetObject<T>( dest );
|
|
}
|
|
}
|
|
|
|
|
|
template <typename T>
|
|
inline void CUtlBuffer::GetTypeBin( T &dest )
|
|
{
|
|
if ( CheckGet( sizeof(T) ) )
|
|
{
|
|
if ( !m_Byteswap.IsSwappingBytes() || ( sizeof( T ) == 1 ) )
|
|
{
|
|
dest = *(T *)PeekGet();
|
|
}
|
|
else
|
|
{
|
|
m_Byteswap.SwapBufferToTargetEndian<T>( &dest, (T*)PeekGet() );
|
|
}
|
|
m_Get += sizeof(T);
|
|
}
|
|
else
|
|
{
|
|
dest = 0;
|
|
}
|
|
}
|
|
|
|
template <>
|
|
inline void CUtlBuffer::GetTypeBin< float >( float &dest )
|
|
{
|
|
if ( CheckGet( sizeof( float ) ) )
|
|
{
|
|
uintptr_t pData = (uintptr_t)PeekGet();
|
|
if ( IsX360() && ( pData & 0x03 ) )
|
|
{
|
|
// handle unaligned read
|
|
((unsigned char*)&dest)[0] = ((unsigned char*)pData)[0];
|
|
((unsigned char*)&dest)[1] = ((unsigned char*)pData)[1];
|
|
((unsigned char*)&dest)[2] = ((unsigned char*)pData)[2];
|
|
((unsigned char*)&dest)[3] = ((unsigned char*)pData)[3];
|
|
}
|
|
else
|
|
{
|
|
// aligned read
|
|
dest = *(float *)pData;
|
|
}
|
|
if ( m_Byteswap.IsSwappingBytes() )
|
|
{
|
|
m_Byteswap.SwapBufferToTargetEndian< float >( &dest, &dest );
|
|
}
|
|
m_Get += sizeof( float );
|
|
}
|
|
else
|
|
{
|
|
dest = 0;
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
inline void CUtlBuffer::GetType( T &dest, const char *pszFmt )
|
|
{
|
|
if (!IsText())
|
|
{
|
|
GetTypeBin( dest );
|
|
}
|
|
else
|
|
{
|
|
dest = 0;
|
|
Scanf( pszFmt, &dest );
|
|
}
|
|
}
|
|
|
|
inline char CUtlBuffer::GetChar( )
|
|
{
|
|
char c;
|
|
GetType( c, "%c" );
|
|
return c;
|
|
}
|
|
|
|
inline unsigned char CUtlBuffer::GetUnsignedChar( )
|
|
{
|
|
unsigned char c;
|
|
GetType( c, "%u" );
|
|
return c;
|
|
}
|
|
|
|
inline short CUtlBuffer::GetShort( )
|
|
{
|
|
short s;
|
|
GetType( s, "%d" );
|
|
return s;
|
|
}
|
|
|
|
inline unsigned short CUtlBuffer::GetUnsignedShort( )
|
|
{
|
|
unsigned short s;
|
|
GetType( s, "%u" );
|
|
return s;
|
|
}
|
|
|
|
inline int CUtlBuffer::GetInt( )
|
|
{
|
|
int i;
|
|
GetType( i, "%d" );
|
|
return i;
|
|
}
|
|
|
|
inline int64 CUtlBuffer::GetInt64( )
|
|
{
|
|
int64 i;
|
|
GetType( i, "%lld" );
|
|
return i;
|
|
}
|
|
|
|
inline int CUtlBuffer::GetIntHex( )
|
|
{
|
|
int i;
|
|
GetType( i, "%x" );
|
|
return i;
|
|
}
|
|
|
|
inline unsigned int CUtlBuffer::GetUnsignedInt( )
|
|
{
|
|
unsigned int u;
|
|
GetType( u, "%u" );
|
|
return u;
|
|
}
|
|
|
|
inline float CUtlBuffer::GetFloat( )
|
|
{
|
|
float f;
|
|
GetType( f, "%f" );
|
|
return f;
|
|
}
|
|
|
|
inline double CUtlBuffer::GetDouble( )
|
|
{
|
|
double d;
|
|
GetType( d, "%f" );
|
|
return d;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Where am I writing?
|
|
//-----------------------------------------------------------------------------
|
|
inline unsigned char CUtlBuffer::GetFlags() const
|
|
{
|
|
return m_Flags;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
inline bool CUtlBuffer::IsExternallyAllocated() const
|
|
{
|
|
return m_Memory.IsExternallyAllocated();
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Where am I writing?
|
|
//-----------------------------------------------------------------------------
|
|
inline int CUtlBuffer::TellPut( ) const
|
|
{
|
|
return m_Put;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// What's the most I've ever written?
|
|
//-----------------------------------------------------------------------------
|
|
inline int CUtlBuffer::TellMaxPut( ) const
|
|
{
|
|
return m_nMaxPut;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// What am I reading?
|
|
//-----------------------------------------------------------------------------
|
|
inline void* CUtlBuffer::PeekPut( int offset )
|
|
{
|
|
return &m_Memory[m_Put + offset - m_nOffset];
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Various put methods
|
|
//-----------------------------------------------------------------------------
|
|
|
|
template <typename T>
|
|
inline void CUtlBuffer::PutObject( T *src )
|
|
{
|
|
if ( CheckPut( sizeof(T) ) )
|
|
{
|
|
if ( !m_Byteswap.IsSwappingBytes() || ( sizeof( T ) == 1 ) )
|
|
{
|
|
*(T *)PeekPut() = *src;
|
|
}
|
|
else
|
|
{
|
|
m_Byteswap.SwapFieldsToTargetEndian<T>( (T*)PeekPut(), src );
|
|
}
|
|
m_Put += sizeof(T);
|
|
AddNullTermination();
|
|
}
|
|
}
|
|
|
|
|
|
template <typename T>
|
|
inline void CUtlBuffer::PutObjects( T *src, int count )
|
|
{
|
|
for ( int i = 0; i < count; ++i, ++src )
|
|
{
|
|
PutObject<T>( src );
|
|
}
|
|
}
|
|
|
|
|
|
template <typename T>
|
|
inline void CUtlBuffer::PutTypeBin( T src )
|
|
{
|
|
if ( CheckPut( sizeof(T) ) )
|
|
{
|
|
if ( !m_Byteswap.IsSwappingBytes() || ( sizeof( T ) == 1 ) )
|
|
{
|
|
*(T *)PeekPut() = src;
|
|
}
|
|
else
|
|
{
|
|
m_Byteswap.SwapBufferToTargetEndian<T>( (T*)PeekPut(), &src );
|
|
}
|
|
m_Put += sizeof(T);
|
|
AddNullTermination();
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
inline void CUtlBuffer::PutType( T src, const char *pszFmt )
|
|
{
|
|
if (!IsText())
|
|
{
|
|
PutTypeBin( src );
|
|
}
|
|
else
|
|
{
|
|
Printf( pszFmt, src );
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Methods to help with pretty-printing
|
|
//-----------------------------------------------------------------------------
|
|
inline bool CUtlBuffer::WasLastCharacterCR()
|
|
{
|
|
if ( !IsText() || (TellPut() == 0) )
|
|
return false;
|
|
return ( *( const char * )PeekPut( -1 ) == '\n' );
|
|
}
|
|
|
|
inline void CUtlBuffer::PutTabs()
|
|
{
|
|
int nTabCount = ( m_Flags & AUTO_TABS_DISABLED ) ? 0 : m_nTab;
|
|
for (int i = nTabCount; --i >= 0; )
|
|
{
|
|
PutTypeBin<char>( '\t' );
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Push/pop pretty-printing tabs
|
|
//-----------------------------------------------------------------------------
|
|
inline void CUtlBuffer::PushTab( )
|
|
{
|
|
++m_nTab;
|
|
}
|
|
|
|
inline void CUtlBuffer::PopTab()
|
|
{
|
|
if ( --m_nTab < 0 )
|
|
{
|
|
m_nTab = 0;
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Temporarily disables pretty print
|
|
//-----------------------------------------------------------------------------
|
|
inline void CUtlBuffer::EnableTabs( bool bEnable )
|
|
{
|
|
if ( bEnable )
|
|
{
|
|
m_Flags &= ~AUTO_TABS_DISABLED;
|
|
}
|
|
else
|
|
{
|
|
m_Flags |= AUTO_TABS_DISABLED;
|
|
}
|
|
}
|
|
|
|
inline void CUtlBuffer::PutChar( char c )
|
|
{
|
|
if ( WasLastCharacterCR() )
|
|
{
|
|
PutTabs();
|
|
}
|
|
|
|
PutTypeBin( c );
|
|
}
|
|
|
|
inline void CUtlBuffer::PutUnsignedChar( unsigned char c )
|
|
{
|
|
PutType( c, "%u" );
|
|
}
|
|
|
|
inline void CUtlBuffer::PutUint64( uint64 ub )
|
|
{
|
|
PutType( ub, "%llu" );
|
|
}
|
|
|
|
inline void CUtlBuffer::PutInt16( int16 s16 )
|
|
{
|
|
PutType( s16, "%d" );
|
|
}
|
|
|
|
inline void CUtlBuffer::PutShort( short s )
|
|
{
|
|
PutType( s, "%d" );
|
|
}
|
|
|
|
inline void CUtlBuffer::PutUnsignedShort( unsigned short s )
|
|
{
|
|
PutType( s, "%u" );
|
|
}
|
|
|
|
inline void CUtlBuffer::PutInt( int i )
|
|
{
|
|
PutType( i, "%d" );
|
|
}
|
|
|
|
inline void CUtlBuffer::PutInt64( int64 i )
|
|
{
|
|
PutType( i, "%llu" );
|
|
}
|
|
|
|
inline void CUtlBuffer::PutUnsignedInt( unsigned int u )
|
|
{
|
|
PutType( u, "%u" );
|
|
}
|
|
|
|
inline void CUtlBuffer::PutFloat( float f )
|
|
{
|
|
PutType( f, "%f" );
|
|
}
|
|
|
|
inline void CUtlBuffer::PutDouble( double d )
|
|
{
|
|
PutType( d, "%f" );
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Am I a text buffer?
|
|
//-----------------------------------------------------------------------------
|
|
inline bool CUtlBuffer::IsText() const
|
|
{
|
|
return (m_Flags & TEXT_BUFFER) != 0;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Can I grow if I'm externally allocated?
|
|
//-----------------------------------------------------------------------------
|
|
inline bool CUtlBuffer::IsGrowable() const
|
|
{
|
|
return (m_Flags & EXTERNAL_GROWABLE) != 0;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Am I valid? (overflow or underflow error), Once invalid it stays invalid
|
|
//-----------------------------------------------------------------------------
|
|
inline bool CUtlBuffer::IsValid() const
|
|
{
|
|
return m_Error == 0;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Do I contain carriage return/linefeeds?
|
|
//-----------------------------------------------------------------------------
|
|
inline bool CUtlBuffer::ContainsCRLF() const
|
|
{
|
|
return IsText() && ((m_Flags & CONTAINS_CRLF) != 0);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Am I read-only
|
|
//-----------------------------------------------------------------------------
|
|
inline bool CUtlBuffer::IsReadOnly() const
|
|
{
|
|
return (m_Flags & READ_ONLY) != 0;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Buffer base and size
|
|
//-----------------------------------------------------------------------------
|
|
inline const void* CUtlBuffer::Base() const
|
|
{
|
|
return m_Memory.Base();
|
|
}
|
|
|
|
inline void* CUtlBuffer::Base()
|
|
{
|
|
return m_Memory.Base();
|
|
}
|
|
|
|
// Returns the base as a const char*, only valid in text mode.
|
|
inline const char *CUtlBuffer::String() const
|
|
{
|
|
Assert( IsText() );
|
|
return reinterpret_cast<const char*>( m_Memory.Base() );
|
|
}
|
|
|
|
inline int CUtlBuffer::Size() const
|
|
{
|
|
return m_Memory.NumAllocated();
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Clears out the buffer; frees memory
|
|
//-----------------------------------------------------------------------------
|
|
inline void CUtlBuffer::Clear()
|
|
{
|
|
m_Get = 0;
|
|
m_Put = 0;
|
|
m_Error = 0;
|
|
m_nOffset = 0;
|
|
m_nMaxPut = -1;
|
|
AddNullTermination();
|
|
}
|
|
|
|
inline void CUtlBuffer::Purge()
|
|
{
|
|
m_Get = 0;
|
|
m_Put = 0;
|
|
m_nOffset = 0;
|
|
m_nMaxPut = 0;
|
|
m_Error = 0;
|
|
m_Memory.Purge();
|
|
}
|
|
|
|
inline void CUtlBuffer::CopyBuffer( const CUtlBuffer &buffer )
|
|
{
|
|
CopyBuffer( buffer.Base(), buffer.TellPut() );
|
|
}
|
|
|
|
inline void CUtlBuffer::CopyBuffer( const void *pubData, int cubData )
|
|
{
|
|
Clear();
|
|
if ( cubData )
|
|
{
|
|
Put( pubData, cubData );
|
|
}
|
|
}
|
|
|
|
#endif // UTLBUFFER_H
|
|
|