fixst256.cpp

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// $Id: fixst256.cpp 1283 2006-06-09 10:45:34Z alex $
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================================XARAHEADERSTART===========================
 
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 */

#include "camtypes.h"
//#include "fixst256.h" - in camtypes.h [AUTOMATICALLY REMOVED]

DEFINE_BUFSIZE(256);


/**************************************************************************************
>   String_256::String_256(const TCHAR* psz = 0)

    Author:     Justin_Flude (Xara Group Ltd) <camelotdev@xara.com>
    Created:    12th August 1993
    Inputs:     An optional pointer to a (constant) Unicode character array - if
                omitted then the String becomes empty (NOT the null pointer).
    Purpose:    Constructs a string of the appropriate maximum length.
    Errors:     ASSERTion failure if the passed character array is too long for
                this length of string, or if psz is NULL.
    Scope:      Public
***************************************************************************************/

String_256::String_256(const TCHAR* psz)
{
    *(text = fixedbuf) = 0;
    length = FIX_LEN_BUFSIZE;
    if (psz != 0)
    {
        ERROR3IF(camStrlen(psz) >= length, "String_256::String_256 overflow");
        camStrcpy(text, psz);
    }
}



/**************************************************************************************
>   String_256::String_256( PCSTR psz )

    Author:     Justin_Flude (Xara Group Ltd) <camelotdev@xara.com>
    Created:    12th August 1993
    Inputs:     An optional pointer to a (constant) Unicode character array - if
                omitted then the String becomes empty (NOT the null pointer).
    Purpose:    Constructs a string of the appropriate maximum length.
    Errors:     ASSERTion failure if the passed character array is too long for
                this length of string, or if psz is NULL.
    Scope:      Public
***************************************************************************************/

#if 0 != wxUSE_UNICODE
String_256::String_256( PCSTR psz )
{
    *(text = fixedbuf) = 0;
    length = FIX_LEN_BUFSIZE;
    if (psz != 0)
    {
        ERROR3IF( strlen(psz) >= length, "String_256::String_256 overflow" );
        camMbstowcs( text, psz, FIX_LEN_BUFSIZE );
    }
}
#endif

/**************************************************************************************
>   String_256::String_256(const StringBase& other)

    Author:     Justin_Flude (Xara Group Ltd) <camelotdev@xara.com>
    Created:    12th August 1993
    Inputs:     A constant reference to another string (can be of any length)
    Purpose:    Duplicates the text of the other string.
    Errors:     ASSERTion failure if this string is not long enough to hold a copy
                of the other string's text, or if the copied String has not been
                allocated.
    Scope:      Public
***************************************************************************************/

void String_256::CopyConstruct( const StringBase &other )
{
    *(text = fixedbuf) = 0;
    length = FIX_LEN_BUFSIZE;
    ERROR3IF((const TCHAR*) other == 0, "StringBase to be copied has not been ALLOCated");
    ERROR3IF(camStrlen((const TCHAR*) other) >= length,
                "Constructed String_256 not large enough to hold StringBase copy");
    camStrcpy(text, (const TCHAR*) other);
}




/**************************************************************************************
>   String_256::String_256(UINT32 resID, UINT32 hinst = 0)

    Author:     Justin_Flude (Xara Group Ltd) <camelotdev@xara.com>
    Created:    12th August 1993
    Inputs:     A string resource numeric identifier, an optional resource module
                handle (if not supplied, the default resource module is used).
    Purpose:    Loads the string resource into this String.
    Errors:     ENSURE failure if this string is not long enough to hold the
                resource, or if the resource cannot be found in the module. If it cannot
                be found, a very short temp string is built of the form "<%X:%X>" containing
                the ID and the module number, or if that is too long then simply "!".
    Scope:      Public
    SeeAlso:    SmartLoadString
***************************************************************************************/

String_256::String_256(UINT32 resID, UINT32 hinst)
{
    *(text = fixedbuf) = 0;
    length = FIX_LEN_BUFSIZE;
    if (!Load(resID, hinst))
    {
        ERROR3("String resource failed to load");
        TCHAR buf[128];
        camSnprintf(buf, 128, TEXT("<%X:%X>"), (INT32) resID, (INT32) hinst);
        camStrcpy(text, (camStrlen(buf) <= 256) ? buf : TEXT("!"));
    }
}



/**************************************************************************************
>   String_256::String_256(const wxString& wxs)

    Author:     Phil_Martin (Xara Group Ltd) <camelotdev@xara.com>
    Created:    28th January 2006
    Inputs:     A wxString
    Purpose:    Constructs a string of the appropriate maximum length.
    Errors:     ASSERTion failure if the passed character array is too long for
                this length of string, or if psz is NULL.
    Scope:      Public
***************************************************************************************/

String_256::String_256(const wxString& wxs)
{
    *(text = fixedbuf) = 0;
    length = FIX_LEN_BUFSIZE;
    ERROR3IF(wxs.Len() >= length, "String_256::String_256 overflow");
    camStrcpy(text, (LPCTSTR)wxs);
}



/**************************************************************************************
>   virtual BOOL String_256::Alloc(INT32 nSize)

    Author:     Justin_Flude (Xara Group Ltd) <camelotdev@xara.com> & Andy
    Created:    12th August 1993
    Purpose:    Fixes Alloc() for fixed-length strings, which CAN be safely changed#
                to use a buffer on the heap.
    Scope:      Public
    SeeAlso:    StringBase::Alloc
***************************************************************************************/

BOOL String_256::Alloc(INT32 nSize)
{
    if (text == fixedbuf) text = 0;
    return StringBase::Alloc(nSize);
}

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