1 files changed, 373 insertions, 0 deletions
diff --git a/external/vpc/public/tier1/utlstring.h b/external/vpc/public/tier1/utlstring.h
new file mode 100644
index 0000000..0bd60f0
--- /dev/null
+++ b/external/vpc/public/tier1/utlstring.h
@@ -0,0 +1,373 @@
+//====== Copyright � 1996-2004, Valve Corporation, All rights reserved. =======
+//
+// Purpose: 
+//
+//=============================================================================
+
+#ifndef UTLSTRING_H
+#define UTLSTRING_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "tier1/utlmemory.h"
+#include "tier1/strtools.h"
+#include "limits.h"
+
+
+//-----------------------------------------------------------------------------
+// Base class, containing simple memory management
+//-----------------------------------------------------------------------------
+class CUtlBinaryBlock
+{
+public:
+	CUtlBinaryBlock( int growSize = 0, int initSize = 0 );
+	~CUtlBinaryBlock()
+	{
+#ifdef _DEBUG
+		m_nActualLength = 0x7BADF00D;
+#else
+		m_nActualLength = 0;
+#endif
+	}
+
+	// NOTE: nInitialLength indicates how much of the buffer starts full
+	CUtlBinaryBlock( void* pMemory, int nSizeInBytes, int nInitialLength );
+	CUtlBinaryBlock( const void* pMemory, int nSizeInBytes );
+	CUtlBinaryBlock( const CUtlBinaryBlock& src );
+
+	void		Get( void *pValue, int nMaxLen ) const;
+	void		Set( const void *pValue, int nLen );
+	const void	*Get( ) const;
+	void		*Get( );
+
+	unsigned char& operator[]( int i );
+	const unsigned char& operator[]( int i ) const;
+
+	int			Length() const;
+	void		SetLength( int nLength );	// Undefined memory will result
+	bool		IsEmpty() const;
+	void		Clear();
+	void		Purge();
+
+	bool		IsReadOnly() const;
+
+	CUtlBinaryBlock &operator=( const CUtlBinaryBlock &src );
+
+	// Test for equality
+	bool operator==( const CUtlBinaryBlock &src ) const;
+
+private:
+	CUtlMemory<unsigned char> m_Memory;
+	int m_nActualLength;
+};
+
+
+//-----------------------------------------------------------------------------
+// class inlines
+//-----------------------------------------------------------------------------
+inline const void *CUtlBinaryBlock::Get( ) const
+{
+	return m_Memory.Base();
+}
+
+inline void *CUtlBinaryBlock::Get( )
+{
+	return m_Memory.Base();
+}
+
+inline int CUtlBinaryBlock::Length() const
+{
+	return m_nActualLength;
+}
+
+inline unsigned char& CUtlBinaryBlock::operator[]( int i )
+{
+	return m_Memory[i];
+}
+
+inline const unsigned char& CUtlBinaryBlock::operator[]( int i ) const
+{
+	return m_Memory[i];
+}
+
+inline bool CUtlBinaryBlock::IsReadOnly() const
+{
+	return m_Memory.IsReadOnly();
+}
+
+inline bool CUtlBinaryBlock::IsEmpty() const
+{
+	return Length() == 0;
+}
+
+inline void CUtlBinaryBlock::Clear()
+{
+	SetLength( 0 );
+}
+
+inline void CUtlBinaryBlock::Purge()
+{
+	SetLength( 0 );
+	m_Memory.Purge();
+}
+
+
+//-----------------------------------------------------------------------------
+// Simple string class. 
+// NOTE: This is *not* optimal! Use in tools, but not runtime code
+//-----------------------------------------------------------------------------
+class CUtlString
+{
+public:
+	typedef enum
+	{
+		PATTERN_NONE		= 0x00000000,
+		PATTERN_DIRECTORY	= 0x00000001
+	} TUtlStringPattern;
+
+public:
+	CUtlString();
+	CUtlString( const char *pString );
+	CUtlString( const CUtlString& string );
+
+	// Attaches the string to external memory. Useful for avoiding a copy
+	CUtlString( void* pMemory, int nSizeInBytes, int nInitialLength );
+	CUtlString( const void* pMemory, int nSizeInBytes );
+
+	const char	*Get( ) const;
+	void		Set( const char *pValue );
+
+	void Clear() { Set( NULL ); }
+
+	// Converts to c-strings
+	operator const char*() const;
+
+	// for compatibility switching items from UtlSymbol
+	const char  *String() const { return Get(); }
+
+	// Returns strlen
+	int			Length() const;
+	bool		IsEmpty() const;
+
+	// Sets the length (used to serialize into the buffer )
+	// Note: If nLen != 0, then this adds an extra byte for a null-terminator.	
+	void		SetLength( int nLen );
+	char		*Get();
+	void		Purge();
+
+	// Case Change
+	void		ToLower( );
+
+	void		Append( const char *pchAddition );
+
+	// Strips the trailing slash
+	void		StripTrailingSlash();
+
+	CUtlString &operator=( const CUtlString &src );
+	CUtlString &operator=( const char *src );
+
+	// Test for equality
+	bool operator==( const CUtlString &src ) const;
+	bool operator==( const char *src ) const;
+	bool operator!=( const CUtlString &src ) const { return !operator==( src ); }
+	bool operator!=( const char *src ) const { return !operator==( src ); }
+
+	// If these are not defined, CUtlString as rhs will auto-convert
+	// to const char* and do logical operations on the raw pointers. Ugh.
+	inline friend bool operator==( const char *lhs, const CUtlString &rhs ) { return rhs.operator==( lhs ); }
+	inline friend bool operator!=( const char *lhs, const CUtlString &rhs ) { return rhs.operator!=( lhs ); }
+
+	CUtlString &operator+=( const CUtlString &rhs );
+	CUtlString &operator+=( const char *rhs );
+	CUtlString &operator+=( char c );
+	CUtlString &operator+=( int rhs );
+	CUtlString &operator+=( double rhs );
+	
+	CUtlString operator+( const char *pOther ) const;
+
+	bool MatchesPattern( const CUtlString &Pattern, int nFlags = 0 ) const;		// case SENSITIVE, use * for wildcard in pattern string
+
+	int Format( const char *pFormat, ... );
+	void SetDirect( const char *pValue, int nChars );
+
+	// Defining AltArgumentType_t hints that associative container classes should
+	// also implement Find/Insert/Remove functions that take const char* params.
+	typedef const char *AltArgumentType_t;
+
+	// Take a piece out of the string.
+	// If you only specify nStart, it'll go from nStart to the end.
+	// You can use negative numbers and it'll wrap around to the start.
+	CUtlString Slice( int32 nStart=0, int32 nEnd=INT_MAX ) const;
+
+	// Grab a substring starting from the left or the right side.
+	CUtlString Left( int32 nChars ) const;
+	CUtlString Right( int32 nChars ) const;
+
+	// Replace all instances of one character with another.
+	CUtlString Replace( char cFrom, char cTo ) const;
+
+	// Calls right through to V_MakeAbsolutePath.
+	CUtlString AbsPath( const char *pStartingDir=NULL ) const;	
+
+	// Gets the filename (everything except the path.. c:\a\b\c\somefile.txt -> somefile.txt).
+	CUtlString UnqualifiedFilename() const;
+	
+	// Strips off one directory. Uses V_StripLastDir but strips the last slash also!
+	CUtlString DirName() const;
+	
+	// Works like V_ComposeFileName.
+	static CUtlString PathJoin( const char *pStr1, const char *pStr2 );
+
+	// These can be used for utlvector sorts.
+	static int __cdecl SortCaseInsensitive( const CUtlString *pString1, const CUtlString *pString2 );
+	static int __cdecl SortCaseSensitive( const CUtlString *pString1, const CUtlString *pString2 );
+
+private:
+	CUtlBinaryBlock m_Storage;
+};
+
+//-----------------------------------------------------------------------------
+// Inline methods
+//-----------------------------------------------------------------------------
+inline bool CUtlString::IsEmpty() const
+{
+	return Length() == 0;
+}
+
+inline int __cdecl CUtlString::SortCaseInsensitive( const CUtlString *pString1, const CUtlString *pString2 )
+{
+	return V_stricmp( pString1->String(), pString2->String() );
+}
+
+inline int __cdecl CUtlString::SortCaseSensitive( const CUtlString *pString1, const CUtlString *pString2 )
+{
+	return V_strcmp( pString1->String(), pString2->String() );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Implementation of low-level string functionality for character types.
+//-----------------------------------------------------------------------------
+
+template < typename T >
+class StringFuncs
+{
+public:
+	static T		*Duplicate( const T *pValue );
+	static void		 Copy( T *out_pOut, const T *pIn, int iLength );
+	static int		 Compare( const T *pLhs, const T *pRhs );
+	static int		 Length( const T *pValue );
+	static const T  *FindChar( const T *pStr, const T cSearch );
+	static const T	*EmptyString();
+};
+
+template < >
+class StringFuncs<char>
+{
+public:
+	static char		  *Duplicate( const char *pValue ) { return strdup( pValue ); }
+	static void		   Copy( char *out_pOut, const char *pIn, int iLength ) { strncpy( out_pOut, pIn, iLength ); }
+	static int		   Compare( const char *pLhs, const char *pRhs ) { return strcmp( pLhs, pRhs ); }
+	static int		   Length( const char *pValue ) { return strlen( pValue ); }
+	static const char *FindChar( const char *pStr, const char cSearch ) { return strchr( pStr, cSearch ); }
+	static const char *EmptyString() { return ""; }
+};
+
+template < >
+class StringFuncs<wchar_t>
+{
+public:
+	static wchar_t		 *Duplicate( const wchar_t *pValue ) { return wcsdup( pValue ); }
+	static void			  Copy( wchar_t *out_pOut, const wchar_t  *pIn, int iLength ) { wcsncpy( out_pOut, pIn, iLength ); }
+	static int			  Compare( const wchar_t *pLhs, const wchar_t *pRhs ) { return wcscmp( pLhs, pRhs ); }
+	static int			  Length( const wchar_t *pValue ) { return wcslen( pValue ); }
+	static const wchar_t *FindChar( const wchar_t *pStr, const wchar_t cSearch ) { return wcschr( pStr, cSearch ); }
+	static const wchar_t *EmptyString() { return L""; }
+};
+
+//-----------------------------------------------------------------------------
+// Dirt-basic auto-release string class. Not intended for manipulation,
+// can be stored in a container or forwarded as a functor parameter.
+// Note the benefit over CUtlString: sizeof(CUtlConstString) == sizeof(char*).
+// Also note: null char* pointers are treated identically to empty strings.
+//-----------------------------------------------------------------------------
+
+template < typename T = char >
+class CUtlConstStringBase
+{
+public:
+	CUtlConstStringBase() : m_pString( NULL ) {}
+	CUtlConstStringBase( const T *pString ) : m_pString( NULL ) { Set( pString ); }
+	CUtlConstStringBase( const CUtlConstStringBase& src ) : m_pString( NULL ) { Set( src.m_pString ); }
+	~CUtlConstStringBase() { Set( NULL ); }
+
+	void Set( const T *pValue );
+	void Clear() { Set( NULL ); }
+
+	const T *Get() const { return m_pString ? m_pString : StringFuncs<T>::EmptyString(); }
+	operator const T*() const { return m_pString ? m_pString : StringFuncs<T>::EmptyString(); }
+
+	bool IsEmpty() const { return m_pString == NULL; } // Note: empty strings are never stored by Set
+
+	int Compare( const T *rhs ) const;
+
+	// Logical ops
+	bool operator<( const T *rhs ) const { return Compare( rhs ) < 0; }
+	bool operator==( const T *rhs ) const { return Compare( rhs ) == 0; }
+	bool operator!=( const T *rhs ) const { return Compare( rhs ) != 0; }
+	bool operator<( const CUtlConstStringBase &rhs ) const { return Compare( rhs.m_pString ) < 0; }
+	bool operator==( const CUtlConstStringBase &rhs ) const { return Compare( rhs.m_pString ) == 0; }
+	bool operator!=( const CUtlConstStringBase &rhs ) const { return Compare( rhs.m_pString ) != 0; }
+
+	// If these are not defined, CUtlConstString as rhs will auto-convert
+	// to const char* and do logical operations on the raw pointers. Ugh.
+	inline friend bool operator<( const T *lhs, const CUtlConstStringBase &rhs ) { return rhs.Compare( lhs ) > 0; }
+	inline friend bool operator==( const T *lhs, const CUtlConstStringBase &rhs ) { return rhs.Compare( lhs ) == 0; }
+	inline friend bool operator!=( const T *lhs, const CUtlConstStringBase &rhs ) { return rhs.Compare( lhs ) != 0; }
+
+	CUtlConstStringBase &operator=( const T *src ) { Set( src ); return *this; }
+	CUtlConstStringBase &operator=( const CUtlConstStringBase &src ) { Set( src.m_pString ); return *this; }
+
+	// Defining AltArgumentType_t is a hint to containers that they should
+	// implement Find/Insert/Remove functions that take const char* params.
+	typedef const T *AltArgumentType_t;
+
+protected:
+	const T *m_pString;
+};
+
+template < typename T >
+void CUtlConstStringBase<T>::Set( const T *pValue )
+{
+	if ( pValue != m_pString )
+	{
+		free( ( void* ) m_pString );
+		m_pString = pValue && pValue[0] ? StringFuncs<T>::Duplicate( pValue ) : NULL;
+	}
+}
+
+template < typename T >
+int CUtlConstStringBase<T>::Compare( const T *rhs ) const
+{
+	if ( m_pString )
+	{
+		if ( rhs )
+			return StringFuncs<T>::Compare( m_pString, rhs );
+		else
+			return 1;
+	}
+	else
+	{
+		if ( rhs )
+			return -1;
+		else
+			return 0;
+	}
+}
+
+typedef	CUtlConstStringBase<char>		CUtlConstString;
+typedef	CUtlConstStringBase<wchar_t>	CUtlConstWideString;
+
+
+#endif // UTLSTRING_H