fixst256.h

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00001 // $Id: fixst256.h 1283 2006-06-09 10:45:34Z alex $
00002 /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
00003 ================================XARAHEADERSTART===========================
00004  
00005                Xara LX, a vector drawing and manipulation program.
00006                     Copyright (C) 1993-2006 Xara Group Ltd.
00007        Copyright on certain contributions may be held in joint with their
00008               respective authors. See AUTHORS file for details.
00009 
00010 LICENSE TO USE AND MODIFY SOFTWARE
00011 ----------------------------------
00012 
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00048 
00049 
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00058 This license does not apply to files in the wxXtra directory, which
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00067 ARRANGEMENTS FOR CONTRIBUTION OF MODIFICATIONS
00068 ----------------------------------------------
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00070 Subject to the terms of the GNU Public License (see above), you are
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00084 
00085 MARKS
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00096 =================================XARAHEADEREND============================
00097  */
00098 
00099 
00100 #ifndef INC__FIXSTRING256
00101 #define INC__FIXSTRING256
00102 
00103 #include "basestr.h"
00104 
00105 
00106 /*************************************************************************************
00107     class String_256 : public StringBase
00108     
00109     Author:     Justin_Flude (Xara Group Ltd) <camelotdev@xara.com>
00110     Created:    12th August 1993    
00111     Purpose:    Extends its String base class to become fixed-length and atomically
00112                 allocatable, ie. a failed constructor call for this class will never
00113                 leave the object in an illegal state.
00114 *************************************************************************************/
00115 
00116 class CCAPI String_256 : public StringBase
00117 {
00118     static const INT32 FIX_LEN_BUFSIZE;
00119 
00120 private:
00121     void CopyConstruct( const StringBase &other );
00122     
00123 public:
00124     String_256(const TCHAR *psz = TEXT(""));
00125 #if 0 != wxUSE_UNICODE
00126     String_256( PCSTR psz );
00127 #endif
00128     String_256( const StringBase &other ) { CopyConstruct( other ); }
00129     String_256( const String_256 &other ) { CopyConstruct( other ); }
00130     String_256(UINT32 resID, UINT32 hinst = 0);
00131     String_256(const wxString& wxs);
00132     virtual ~String_256();
00133 
00134     virtual BOOL Alloc(INT32 nSize);
00135 
00136 private:
00137     TCHAR fixedbuf[FIX_LEN_BUFM(256)];
00138 };
00139 
00140 
00141 
00142 
00143 /**************************************************************************************
00144 >   virtual String_256::~String_256()
00145 
00146     Author:     Justin_Flude (Xara Group Ltd) <camelotdev@xara.com>
00147     Created:    12th August 1993
00148     Purpose:    Destroys this fixed-length string.
00149 ***************************************************************************************/
00150 
00151 inline String_256::~String_256()
00152 {
00153     // If the string is using the fixed-length buffer then make sure the
00154     // base class doesn't try to delete[] it.
00155     if (text == fixedbuf) text = 0;
00156 }
00157 
00158 #endif  // INC__FIXSTRING256
00159 
00160 
00161 

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