--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libraries/spcre/src/tregexarg.cpp	Wed Jun 23 15:52:26 2010 +0100
@@ -0,0 +1,275 @@
+// tregexarg.cpp
+//
+// Copyright (c) 2005 - 2006, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Author: Sanjay Ghemawat
+//
+// Heavily refactored for Symbian OS by Accenture.
+
+/***** Parsers for various types *****/
+#include "tregexarg.h"
+
+EXPORT_C TBool TRegExArg::ParseNull(const TDesC8& /*aString*/,
+	TAny* aDestination)
+	{
+	// We fail if somebody asked us to store into a non-NULL TAny* pointer
+	return (aDestination == NULL);
+	}
+
+EXPORT_C TBool TRegExArg::ParseTDes8(const TDesC8& aString, TAny* aDestination)
+	{
+	if (aDestination == NULL) return ETrue;
+	TDes8* dest = reinterpret_cast<TDes8*>(aDestination);
+	if(dest->MaxLength() < aString.Length())
+		{
+		return EFalse;
+		}
+	else
+		{
+		dest->Copy(aString);
+		return ETrue;
+		}
+	}
+
+EXPORT_C TBool TRegExArg::ParseTPtrC8(const TDesC8& aString, TAny* aDestination)
+	{
+	if (aDestination == NULL) return ETrue;
+	TPtrC8* dest = reinterpret_cast<TPtrC8*>(aDestination);
+	
+	dest->Set(aString);
+	return ETrue;
+	}
+
+EXPORT_C TBool TRegExArg::ParseTChar(const TDesC8& aString, TAny* aDestination)
+	{
+	if (aString.Length() != 1) return EFalse;
+	if (aDestination == NULL) return ETrue;
+	*(reinterpret_cast<TChar*>(aDestination)) = aString[0];
+	return ETrue;
+	}
+
+EXPORT_C TBool TRegExArg::ParseTInt8(const TDesC8& aString, TAny* aDestination)
+	{
+	if (aString.Length() == 0) return EFalse;
+	
+	TInt8 val = 0;
+	TLex8 lex(aString);
+	TInt err = lex.Val(val);
+	if(err) return EFalse;
+	if (aDestination == NULL) return ETrue;
+	
+	*(reinterpret_cast<TInt8*>(aDestination)) = val;
+	return ETrue;
+	}
+
+EXPORT_C TBool TRegExArg::ParseTInt16(const TDesC8& aString, TAny* aDestination)
+	{
+	if (aString.Length() == 0) return EFalse;
+	
+	TInt16 val = 0;
+	TLex8 lex(aString);
+	TInt err = lex.Val(val);
+	if(err) return EFalse;
+	if (aDestination == NULL) return ETrue;
+	
+	*(reinterpret_cast<TInt16*>(aDestination)) = val;
+	return ETrue;
+	}
+
+EXPORT_C TBool TRegExArg::ParseTInt32(const TDesC8& aString, TAny* aDestination)
+	{
+	if (aString.Length() == 0) return EFalse;
+
+	TInt32 val = 0;
+	TLex8 lex(aString);
+	TInt err = lex.Val(val);
+	if(err) return EFalse;
+	if (aDestination == NULL) return ETrue;
+	
+	*(reinterpret_cast<TInt32*>(aDestination)) = val;
+	return ETrue;
+	}
+
+EXPORT_C TBool TRegExArg::ParseTInt(const TDesC8& aString, TAny* aDestination)
+	{
+	if (aString.Length() == 0) return EFalse;
+
+	TInt val = 0;
+	TLex8 lex(aString);
+	TInt err = lex.Val(val);
+	if(err) return EFalse;
+	if (aDestination == NULL) return ETrue;
+	
+	*(reinterpret_cast<TInt*>(aDestination)) = val;
+	return ETrue;
+	}
+
+TBool TRegExArg::ParseTInt64Radix(const TDesC8& aString, TAny* aDestination,
+		TRadix aRadix)
+	{
+	if (aString.Length() == 0)
+		return EFalse;
+
+	TInt64 val = 0;
+	TLex8 lex(aString);
+	// Note TInt64 is treated as unsigned by TLex
+	TInt err = lex.Val(val, aRadix);
+	
+	// If val is returned as negative then it means we have overflowed.
+	if (err || val < 0)	
+		return EFalse;
+	
+	if (aDestination == NULL) return ETrue;
+	
+	*(reinterpret_cast<TInt64*> (aDestination)) = val;
+	return ETrue;
+	}
+
+TBool TRegExArg::ParseTUint8Radix(const TDesC8& aString, TAny* aDestination,
+		TRadix aRadix)
+	{
+	if (aString.Length() == 0)
+		return EFalse;
+
+	TUint8 val = 0;
+	TLex8 lex(aString);
+	TInt err = lex.Val(val, aRadix);
+	if (err)
+		return EFalse;
+	if (aDestination == NULL) return ETrue;
+	
+	*(reinterpret_cast<TUint8*> (aDestination)) = val;
+	return ETrue;
+	}
+
+TBool TRegExArg::ParseTUint16Radix(const TDesC8& aString, TAny* aDestination,
+		TRadix aRadix)
+	{
+	if (aString.Length() == 0)
+		return EFalse;
+
+	TUint16 val = 0;
+	TLex8 lex(aString);
+	TInt err = lex.Val(val, aRadix);
+	if (err)
+		return EFalse;
+	if (aDestination == NULL) return ETrue;
+	
+	*(reinterpret_cast<TUint16*> (aDestination)) = val;
+	return ETrue;
+	}
+
+TBool TRegExArg::ParseTUint32Radix(const TDesC8& aString, TAny* aDestination,
+		TRadix aRadix)
+	{
+	if (aString.Length() == 0)
+		return EFalse;
+
+	TUint32 val = 0;
+	TLex8 lex(aString);
+	TInt err = lex.Val(val, aRadix);
+	if (err)
+		return EFalse;
+	if (aDestination == NULL) return ETrue;
+	
+	*(reinterpret_cast<TUint32*> (aDestination)) = val;
+	return ETrue;
+	}
+
+TBool TRegExArg::ParseTUintRadix(const TDesC8& aString, TAny* aDestination,
+		TRadix aRadix)
+	{
+	if (aString.Length() == 0)
+		return EFalse;
+
+	TUint val = 0;
+	TLex8 lex(aString);
+	TInt err = lex.Val(val, aRadix);
+	if (err)
+		return EFalse;
+	if (aDestination == NULL) return ETrue;
+	
+	*(reinterpret_cast<TUint*> (aDestination)) = val;
+	return ETrue;
+	}
+EXPORT_C TBool TRegExArg::ParseTReal32(const TDesC8& aString,
+	TAny* aDestination)
+	{
+	if (aString.Length() == 0) return EFalse;
+
+	TReal32 val = 0;
+	TLex8 lex(aString);
+	TInt err = lex.Val(val); 
+	if(err) return EFalse;
+	if (aDestination == NULL) return ETrue;
+	
+	*(reinterpret_cast<TReal32*>(aDestination)) = val;
+	return ETrue;
+	}
+
+EXPORT_C TBool TRegExArg::ParseTReal64(const TDesC8& aString,
+	TAny* aDestination)
+	{
+	if (aString.Length() == 0) return EFalse;
+
+	TReal64 val = 0;
+	TLex8 lex(aString);
+	TInt err = lex.Val(val); 
+	if(err) return EFalse;
+	if (aDestination == NULL) return ETrue;
+	
+	*(reinterpret_cast<TReal64*>(aDestination)) = val;
+	return ETrue;
+	}
+
+#define DEFINE_INTEGER_PARSERS(name)										\
+	EXPORT_C TBool TRegExArg::Parse##name(const TDesC8& aString,			\
+		TAny* aDestination)													\
+		{																	\
+		return Parse##name##Radix(aString, aDestination, EDecimal);			\
+		}																	\
+	EXPORT_C TBool TRegExArg::Parse##name##Hex(const TDesC8& aString,		\
+		TAny* aDestination)													\
+		{																	\
+		return Parse##name##Radix(aString, aDestination, EHex);				\
+		}																	\
+	EXPORT_C TBool TRegExArg::Parse##name##Octal(const TDesC8& aString,		\
+		TAny* aDestination)													\
+		{																	\
+		return Parse##name##Radix(aString, aDestination, EOctal);			\
+		}																				
+
+	DEFINE_INTEGER_PARSERS(TInt64)
+	DEFINE_INTEGER_PARSERS(TUint8)
+	DEFINE_INTEGER_PARSERS(TUint16)
+	DEFINE_INTEGER_PARSERS(TUint32)
+	DEFINE_INTEGER_PARSERS(TUint)
+
+#undef DEFINE_INTEGER_PARSERS