wine/dlls/user32/lstr.c
2012-12-24 13:32:38 +01:00

456 lines
11 KiB
C

/*
* USER string functions
*
* Copyright 1993 Yngvi Sigurjonsson (yngvi@hafro.is)
* Copyright 1996 Alexandre Julliard
* Copyright 1996 Marcus Meissner
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <ctype.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winerror.h"
#include "wine/exception.h"
#include "wine/unicode.h"
/***********************************************************************
* CharNextA (USER32.@)
*/
LPSTR WINAPI CharNextA( LPCSTR ptr )
{
if (!*ptr) return (LPSTR)ptr;
if (IsDBCSLeadByte( ptr[0] ) && ptr[1]) return (LPSTR)(ptr + 2);
return (LPSTR)(ptr + 1);
}
/***********************************************************************
* CharNextExA (USER32.@)
*/
LPSTR WINAPI CharNextExA( WORD codepage, LPCSTR ptr, DWORD flags )
{
if (!*ptr) return (LPSTR)ptr;
if (IsDBCSLeadByteEx( codepage, ptr[0] ) && ptr[1]) return (LPSTR)(ptr + 2);
return (LPSTR)(ptr + 1);
}
/***********************************************************************
* CharNextExW (USER32.@)
*/
LPWSTR WINAPI CharNextExW( WORD codepage, LPCWSTR ptr, DWORD flags )
{
/* doesn't make sense, there are no codepages for Unicode */
return NULL;
}
/***********************************************************************
* CharNextW (USER32.@)
*/
LPWSTR WINAPI CharNextW(LPCWSTR x)
{
if (*x) x++;
return (LPWSTR)x;
}
/***********************************************************************
* CharPrevA (USER32.@)
*/
LPSTR WINAPI CharPrevA( LPCSTR start, LPCSTR ptr )
{
while (*start && (start < ptr))
{
LPCSTR next = CharNextA( start );
if (next >= ptr) break;
start = next;
}
return (LPSTR)start;
}
/***********************************************************************
* CharPrevExA (USER32.@)
*/
LPSTR WINAPI CharPrevExA( WORD codepage, LPCSTR start, LPCSTR ptr, DWORD flags )
{
while (*start && (start < ptr))
{
LPCSTR next = CharNextExA( codepage, start, flags );
if (next >= ptr) break;
start = next;
}
return (LPSTR)start;
}
/***********************************************************************
* CharPrevExW (USER32.@)
*/
LPSTR WINAPI CharPrevExW( WORD codepage, LPCWSTR start, LPCWSTR ptr, DWORD flags )
{
/* doesn't make sense, there are no codepages for Unicode */
return NULL;
}
/***********************************************************************
* CharPrevW (USER32.@)
*/
LPWSTR WINAPI CharPrevW(LPCWSTR start,LPCWSTR x)
{
if (x>start) return (LPWSTR)(x-1);
else return (LPWSTR)x;
}
/***********************************************************************
* CharToOemA (USER32.@)
*/
BOOL WINAPI CharToOemA( LPCSTR s, LPSTR d )
{
if ( !s || !d ) return TRUE;
return CharToOemBuffA( s, d, strlen( s ) + 1 );
}
/***********************************************************************
* CharToOemBuffA (USER32.@)
*/
BOOL WINAPI CharToOemBuffA( LPCSTR s, LPSTR d, DWORD len )
{
WCHAR *bufW;
bufW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
if( bufW )
{
MultiByteToWideChar( CP_ACP, 0, s, len, bufW, len );
WideCharToMultiByte( CP_OEMCP, 0, bufW, len, d, len, NULL, NULL );
HeapFree( GetProcessHeap(), 0, bufW );
}
return TRUE;
}
/***********************************************************************
* CharToOemBuffW (USER32.@)
*/
BOOL WINAPI CharToOemBuffW( LPCWSTR s, LPSTR d, DWORD len )
{
if ( !s || !d ) return TRUE;
WideCharToMultiByte( CP_OEMCP, 0, s, len, d, len, NULL, NULL );
return TRUE;
}
/***********************************************************************
* CharToOemW (USER32.@)
*/
BOOL WINAPI CharToOemW( LPCWSTR s, LPSTR d )
{
return CharToOemBuffW( s, d, strlenW( s ) + 1 );
}
/***********************************************************************
* OemToCharA (USER32.@)
*/
BOOL WINAPI OemToCharA( LPCSTR s, LPSTR d )
{
return OemToCharBuffA( s, d, strlen( s ) + 1 );
}
/***********************************************************************
* OemToCharBuffA (USER32.@)
*/
BOOL WINAPI OemToCharBuffA( LPCSTR s, LPSTR d, DWORD len )
{
WCHAR *bufW;
bufW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
if( bufW )
{
MultiByteToWideChar( CP_OEMCP, 0, s, len, bufW, len );
WideCharToMultiByte( CP_ACP, 0, bufW, len, d, len, NULL, NULL );
HeapFree( GetProcessHeap(), 0, bufW );
}
return TRUE;
}
/***********************************************************************
* OemToCharBuffW (USER32.@)
*/
BOOL WINAPI OemToCharBuffW( LPCSTR s, LPWSTR d, DWORD len )
{
MultiByteToWideChar( CP_OEMCP, 0, s, len, d, len );
return TRUE;
}
/***********************************************************************
* OemToCharW (USER32.@)
*/
BOOL WINAPI OemToCharW( LPCSTR s, LPWSTR d )
{
return OemToCharBuffW( s, d, strlen( s ) + 1 );
}
/***********************************************************************
* CharLowerA (USER32.@)
*/
LPSTR WINAPI CharLowerA(LPSTR str)
{
if (IS_INTRESOURCE(str))
{
char ch = LOWORD(str);
CharLowerBuffA( &ch, 1 );
return (LPSTR)(UINT_PTR)(BYTE)ch;
}
__TRY
{
CharLowerBuffA( str, strlen(str) );
}
__EXCEPT_PAGE_FAULT
{
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
__ENDTRY
return str;
}
/***********************************************************************
* CharUpperA (USER32.@)
*/
LPSTR WINAPI CharUpperA(LPSTR str)
{
if (IS_INTRESOURCE(str))
{
char ch = LOWORD(str);
CharUpperBuffA( &ch, 1 );
return (LPSTR)(UINT_PTR)(BYTE)ch;
}
__TRY
{
CharUpperBuffA( str, strlen(str) );
}
__EXCEPT_PAGE_FAULT
{
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
__ENDTRY
return str;
}
/***********************************************************************
* CharLowerW (USER32.@)
*/
LPWSTR WINAPI CharLowerW(LPWSTR x)
{
if (!IS_INTRESOURCE(x)) return strlwrW(x);
else return (LPWSTR)((UINT_PTR)tolowerW(LOWORD(x)));
}
/***********************************************************************
* CharUpperW (USER32.@)
*/
LPWSTR WINAPI CharUpperW(LPWSTR x)
{
if (!IS_INTRESOURCE(x)) return struprW(x);
else return (LPWSTR)((UINT_PTR)toupperW(LOWORD(x)));
}
/***********************************************************************
* CharLowerBuffA (USER32.@)
*/
DWORD WINAPI CharLowerBuffA( LPSTR str, DWORD len )
{
DWORD lenW;
WCHAR buffer[32];
WCHAR *strW = buffer;
if (!str) return 0; /* YES */
lenW = MultiByteToWideChar(CP_ACP, 0, str, len, NULL, 0);
if (lenW > sizeof(buffer)/sizeof(WCHAR))
{
strW = HeapAlloc(GetProcessHeap(), 0, lenW * sizeof(WCHAR));
if (!strW) return 0;
}
MultiByteToWideChar(CP_ACP, 0, str, len, strW, lenW);
CharLowerBuffW(strW, lenW);
len = WideCharToMultiByte(CP_ACP, 0, strW, lenW, str, len, NULL, NULL);
if (strW != buffer) HeapFree(GetProcessHeap(), 0, strW);
return len;
}
/***********************************************************************
* CharLowerBuffW (USER32.@)
*/
DWORD WINAPI CharLowerBuffW( LPWSTR str, DWORD len )
{
DWORD ret = len;
if (!str) return 0; /* YES */
for (; len; len--, str++) *str = tolowerW(*str);
return ret;
}
/***********************************************************************
* CharUpperBuffA (USER32.@)
*/
DWORD WINAPI CharUpperBuffA( LPSTR str, DWORD len )
{
DWORD lenW;
WCHAR buffer[32];
WCHAR *strW = buffer;
if (!str) return 0; /* YES */
lenW = MultiByteToWideChar(CP_ACP, 0, str, len, NULL, 0);
if (lenW > sizeof(buffer)/sizeof(WCHAR))
{
strW = HeapAlloc(GetProcessHeap(), 0, lenW * sizeof(WCHAR));
if (!strW) return 0;
}
MultiByteToWideChar(CP_ACP, 0, str, len, strW, lenW);
CharUpperBuffW(strW, lenW);
len = WideCharToMultiByte(CP_ACP, 0, strW, lenW, str, len, NULL, NULL);
if (strW != buffer) HeapFree(GetProcessHeap(), 0, strW);
return len;
}
/***********************************************************************
* CharUpperBuffW (USER32.@)
*/
DWORD WINAPI CharUpperBuffW( LPWSTR str, DWORD len )
{
DWORD ret = len;
if (!str) return 0; /* YES */
for (; len; len--, str++) *str = toupperW(*str);
return ret;
}
/***********************************************************************
* IsCharLower (USER.436)
* IsCharLowerA (USER32.@)
*/
BOOL WINAPI IsCharLowerA(CHAR x)
{
WCHAR wch;
MultiByteToWideChar(CP_ACP, 0, &x, 1, &wch, 1);
return IsCharLowerW(wch);
}
/***********************************************************************
* IsCharLowerW (USER32.@)
*/
BOOL WINAPI IsCharLowerW(WCHAR x)
{
return (get_char_typeW(x) & C1_LOWER) != 0;
}
/***********************************************************************
* IsCharUpper (USER.435)
* IsCharUpperA (USER32.@)
*/
BOOL WINAPI IsCharUpperA(CHAR x)
{
WCHAR wch;
MultiByteToWideChar(CP_ACP, 0, &x, 1, &wch, 1);
return IsCharUpperW(wch);
}
/***********************************************************************
* IsCharUpperW (USER32.@)
*/
BOOL WINAPI IsCharUpperW(WCHAR x)
{
return (get_char_typeW(x) & C1_UPPER) != 0;
}
/***********************************************************************
* IsCharAlphaNumeric (USER.434)
* IsCharAlphaNumericA (USER32.@)
*/
BOOL WINAPI IsCharAlphaNumericA(CHAR x)
{
WCHAR wch;
MultiByteToWideChar(CP_ACP, 0, &x, 1, &wch, 1);
return IsCharAlphaNumericW(wch);
}
/***********************************************************************
* IsCharAlphaNumericW (USER32.@)
*/
BOOL WINAPI IsCharAlphaNumericW(WCHAR x)
{
return (get_char_typeW(x) & (C1_ALPHA|C1_DIGIT)) != 0;
}
/***********************************************************************
* IsCharAlpha (USER.433)
* IsCharAlphaA (USER32.@)
*/
BOOL WINAPI IsCharAlphaA(CHAR x)
{
WCHAR wch;
MultiByteToWideChar(CP_ACP, 0, &x, 1, &wch, 1);
return IsCharAlphaW(wch);
}
/***********************************************************************
* IsCharAlphaW (USER32.@)
*/
BOOL WINAPI IsCharAlphaW(WCHAR x)
{
return (get_char_typeW(x) & C1_ALPHA) != 0;
}