// tregexarg.h+
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//+
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// Copyright (c) 2005 - 2006, Google Inc.+
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// All rights reserved.+
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//+
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// Redistribution and use in source and binary forms, with or without+
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// modification, are permitted provided that the following conditions are+
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// met:+
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//+
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//     * Redistributions of source code must retain the above copyright+
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// notice, this list of conditions and the following disclaimer.+
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//     * Redistributions in binary form must reproduce the above+
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// copyright notice, this list of conditions and the following disclaimer+
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// in the documentation and/or other materials provided with the+
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// distribution.+
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//     * Neither the name of Google Inc. nor the names of its+
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// contributors may be used to endorse or promote products derived from+
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// this software without specific prior written permission.+
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//+
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS+
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT+
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR+
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT+
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,+
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT+
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,+
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY+
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.+
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//+
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// Author: Sanjay Ghemawat+
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//+
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// Heavily refactored for Symbian OS by Accenture.+
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+
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#ifndef TREGEXARG_H_+
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#define TREGEXARG_H_+
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+
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#include <e32base.h>+
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+
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class TRegExArg+
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	{+
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 public:+
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	 // Empty constructor so we can declare arrays of TRegExArg+
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	  TRegExArg();+
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+
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	 // Constructor specially designed for NULL arguments+
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	 inline TRegExArg(TAny*);+
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+
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	 typedef TBool (*Parser)(const TDesC8& aString, TAny* aDestination);+
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	 +
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// Type-specific parsers+
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#define PCRE_MAKE_PARSER(type,name)															\+
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	IMPORT_C TRegExArg(type* aType) : iArg(aType), iParser(name) { }						\+
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	IMPORT_C TRegExArg(type* aType, Parser aParser) : iArg(aType), iParser(aParser) { }	+
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	+
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	PCRE_MAKE_PARSER(TChar,				ParseTChar)+
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	PCRE_MAKE_PARSER(TInt8,				ParseTInt8)+
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	PCRE_MAKE_PARSER(TInt16,			ParseTInt16)+
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	PCRE_MAKE_PARSER(TInt32,			ParseTInt32)+
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	PCRE_MAKE_PARSER(TInt64,			ParseTInt64)+
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	PCRE_MAKE_PARSER(TInt,				ParseTInt)+
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	PCRE_MAKE_PARSER(TUint8,			ParseTUint8)+
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	PCRE_MAKE_PARSER(TUint16,			ParseTUint16)+
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	PCRE_MAKE_PARSER(TUint32,			ParseTUint32)+
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	PCRE_MAKE_PARSER(TUint,				ParseTUint)+
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	PCRE_MAKE_PARSER(TReal32,			ParseTReal32)+
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	PCRE_MAKE_PARSER(TReal64,			ParseTReal64)+
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	PCRE_MAKE_PARSER(TDes8,				ParseTDes8)+
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	PCRE_MAKE_PARSER(TPtrC8,			ParseTPtrC8)+
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	+
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	#undef PCRE_MAKE_PARSER+
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+
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	// Generic constructors+
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	template <class T> inline TRegExArg(T*, Parser aParser);+
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	template <class T> inline TRegExArg(T* aArg);	+
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	+
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	// TBuf constructors - cannot seem to nest the template parameters+
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	template <TInt S>+
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	inline TRegExArg(TBuf8<S>* aArg, Parser aParser);+
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	template <TInt S>+
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	inline TRegExArg(TBuf8<S>* aArg);+
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	+
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	// Parse the data+
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	inline TBool Parse(const TDesC8& aString) const;+
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+
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private:+
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	TAny*         iArg;+
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	Parser        iParser; // Pointer to parsing function+
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	+
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	IMPORT_C static TBool ParseNull			(const TDesC8& aString, TAny* aDestination);+
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	IMPORT_C static TBool ParseTChar		(const TDesC8& aString, TAny* aDestination);+
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	IMPORT_C static TBool ParseTInt8		(const TDesC8& aString, TAny* aDestination);+
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	IMPORT_C static TBool ParseTInt16		(const TDesC8& aString, TAny* aDestination);+
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	IMPORT_C static TBool ParseTInt32		(const TDesC8& aString, TAny* aDestination);+
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	IMPORT_C static TBool ParseTInt			(const TDesC8& aString, TAny* aDestination);+
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	IMPORT_C static TBool ParseTReal32		(const TDesC8& aString, TAny* aDestination);+
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	IMPORT_C static TBool ParseTReal64		(const TDesC8& aString, TAny* aDestination); +
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	IMPORT_C static TBool ParseTDes8		(const TDesC8& aString, TAny* aDestination);+
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	IMPORT_C static TBool ParseTDes16		(const TDesC8& aString, TAny* aDestination);+
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	IMPORT_C static TBool ParseTPtrC8		(const TDesC8& aString, TAny* aDestination);+
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+
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#define PCRE_DECLARE_INTEGER_PARSER(name)															\+
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private:																							\+
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	IMPORT_C static TBool Parse ## name(const TDesC8& aString, TAny* aDestination);					\+
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	IMPORT_C static TBool Parse ## name ## Radix(													\+
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				const TDesC8& aString, TAny* aDestination, TRadix aRadix);							\+
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public:																								\+
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	IMPORT_C static TBool Parse ## name ## Hex(const TDesC8& aString, TAny* aDestination);			\+
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	IMPORT_C static TBool Parse ## name ## Octal(const TDesC8& aString, TAny* aDestination);		\+
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+
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	PCRE_DECLARE_INTEGER_PARSER(TInt64)+
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	PCRE_DECLARE_INTEGER_PARSER(TUint8)+
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	PCRE_DECLARE_INTEGER_PARSER(TUint16)+
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	PCRE_DECLARE_INTEGER_PARSER(TUint32)+
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	PCRE_DECLARE_INTEGER_PARSER(TUint)	+
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+
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#undef PCRE_DECLARE_INTEGER_PARSER+
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	};+
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+
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#include "tregexarg.inl"+
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+
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#endif /* TREGEXARG_H_ */+
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