fixst128.cpp

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00001 // $Id: fixst128.cpp 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 
00013 This file is part of Xara LX.
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00015 Xara LX is free software; you can redistribute it and/or modify it
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00036 
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00066 
00067 ARRANGEMENTS FOR CONTRIBUTION OF MODIFICATIONS
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00084 
00085 MARKS
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00093       Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK.
00094                         http://www.xara.com/
00095 
00096 =================================XARAHEADEREND============================
00097  */
00098 
00099 #include "camtypes.h"
00100 //#include "fixst128.h" - in camtypes.h [AUTOMATICALLY REMOVED]
00101 
00102 DEFINE_BUFSIZE(128);
00103 
00104 /**************************************************************************************
00105 >   String_128::String_128(const TCHAR* psz = 0)
00106 
00107     Author:     Justin_Flude (Xara Group Ltd) <camelotdev@xara.com>
00108     Created:    12th August 1993
00109     Inputs:     An optional pointer to a (constant) Unicode character array - if
00110                 omitted then the String becomes empty (NOT the null pointer).
00111     Purpose:    Constructs a string of the appropriate maximum length.
00112     Errors:     ASSERTion failure if the passed character array is too long for
00113                 this length of string, or if psz is NULL.
00114     Scope:      Public
00115 ***************************************************************************************/
00116 
00117 String_128::String_128(const TCHAR* psz)
00118 {
00119     *(text = fixedbuf) = 0;
00120     length = FIX_LEN_BUFSIZE;
00121     if (psz != 0)
00122     {
00123         ERROR3IF(camStrlen(psz) >= length, "String_128::String_128 overflow");
00124         camStrcpy(text, psz);
00125     }
00126 }
00127 
00128 
00129 
00130 /**************************************************************************************
00131 >   String_128::String_128( PCSTR psz )
00132 
00133     Author:     Justin_Flude (Xara Group Ltd) <camelotdev@xara.com>
00134     Created:    12th August 1993
00135     Inputs:     An optional pointer to a (constant) Unicode character array - if
00136                 omitted then the String becomes empty (NOT the null pointer).
00137     Purpose:    Constructs a string of the appropriate maximum length.
00138     Errors:     ASSERTion failure if the passed character array is too long for
00139                 this length of string, or if psz is NULL.
00140     Scope:      Public
00141 ***************************************************************************************/
00142 
00143 #if 0 != wxUSE_UNICODE
00144 String_128::String_128( PCSTR psz )
00145 {
00146     *(text = fixedbuf) = 0;
00147     length = FIX_LEN_BUFSIZE;
00148     if (psz != 0)
00149     {
00150         ERROR3IF( strlen(psz) >= length, "String_128::String_128 overflow" );
00151         camMbstowcs( text, psz, FIX_LEN_BUFSIZE );
00152     }
00153 }
00154 #endif
00155 
00156 /**************************************************************************************
00157 >   String_128::String_128(const StringBase& other)
00158 
00159     Author:     Justin_Flude (Xara Group Ltd) <camelotdev@xara.com>
00160     Created:    12th August 1993
00161     Inputs:     A constant reference to another string (can be of any length)
00162     Purpose:    Duplicates the text of the other string.
00163     Errors:     ASSERTion failure if this string is not long enough to hold a copy
00164                 of the other string's text, or if the copied String has not been
00165                 allocated.
00166     Scope:      Public
00167 ***************************************************************************************/
00168 
00169 void String_128::CopyConstruct( const StringBase &other )
00170 {
00171     *(text = fixedbuf) = 0;
00172     length = FIX_LEN_BUFSIZE;
00173     ERROR3IF((const TCHAR*) other == 0, "StringBase to be copied has not been ALLOCated");
00174     ERROR3IF(camStrlen((const TCHAR*) other) >= length,
00175                 "Constructed String_128 not large enough to hold StringBase copy");
00176     camStrcpy(text, (const TCHAR*) other);
00177 }
00178 
00179 
00180 
00181 
00182 /**************************************************************************************
00183 >   String_128::String_128(UINT32 resID, UINT32 hinst = 0)
00184 
00185     Author:     Justin_Flude (Xara Group Ltd) <camelotdev@xara.com>
00186     Created:    12th August 1993
00187     Inputs:     A string resource numeric identifier, an optional resource module
00188                 handle (if not supplied, the default resource module is used).
00189     Purpose:    Loads the string resource into this String.
00190     Errors:     ENSURE failure if this string is not long enough to hold the
00191                 resource, or if the resource cannot be found in the module. If it cannot
00192                 be found, a very short temp string is built of the form "<%X:%X>" containing
00193                 the ID and the module number, or if that is too long then simply "!".
00194     Scope:      Public
00195     SeeAlso:    SmartLoadString
00196 ***************************************************************************************/
00197 
00198 String_128::String_128(UINT32 resID, UINT32 hinst)
00199 {
00200     *(text = fixedbuf) = 0;
00201     length = FIX_LEN_BUFSIZE;
00202     if (!Load(resID, hinst))
00203     {
00204         ERROR3("String resource failed to load");
00205         TCHAR buf[128];
00206         camSnprintf(buf, 128, TEXT("<%X:%X>"), (INT32) resID, (INT32) hinst);
00207         camStrcpy(text, (camStrlen(buf) <= 128) ? buf : TEXT("!"));
00208     }
00209 }
00210 
00211 
00212 
00213 /**************************************************************************************
00214 >   String_128::String_128(const wxString& wxs)
00215 
00216     Author:     Phil_Martin (Xara Group Ltd) <camelotdev@xara.com>
00217     Created:    28th January 2006
00218     Inputs:     A wxString
00219     Purpose:    Constructs a string of the appropriate maximum length.
00220     Errors:     ASSERTion failure if the passed character array is too long for
00221                 this length of string, or if psz is NULL.
00222     Scope:      Public
00223 ***************************************************************************************/
00224 
00225 String_128::String_128(const wxString& wxs)
00226 {
00227     *(text = fixedbuf) = 0;
00228     length = FIX_LEN_BUFSIZE;
00229     ERROR3IF(wxs.Len() >= length, "String_128::String_128 overflow");
00230     camStrcpy(text, (LPCTSTR)wxs);
00231 }
00232 
00233 
00234 
00235 /**************************************************************************************
00236 >   virtual BOOL String_128::Alloc(INT32 nSize)
00237 
00238     Author:     Justin_Flude (Xara Group Ltd) <camelotdev@xara.com> & Andy
00239     Created:    12th August 1993
00240     Purpose:    Fixes Alloc() for fixed-length strings, which CAN be safely changed#
00241                 to use a buffer on the heap.
00242     Scope:      Public
00243     SeeAlso:    StringBase::Alloc
00244 ***************************************************************************************/
00245 
00246 BOOL String_128::Alloc(INT32 nSize)
00247 {
00248     if (text == fixedbuf) text = 0;
00249     return StringBase::Alloc(nSize);
00250 }
00251 

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