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git://source.winehq.org/git/wine.git
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599 lines
16 KiB
C
599 lines
16 KiB
C
/*
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* Utility routines
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*
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* Copyright 1998 Bertho A. Stultiens
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <ctype.h>
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#include "../tools.h"
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#include "wrc.h"
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#include "winternl.h"
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#include "utils.h"
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#include "parser.h"
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/* #define WANT_NEAR_INDICATION */
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#ifdef WANT_NEAR_INDICATION
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void make_print(char *str)
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{
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while(*str)
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{
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if(!isprint(*str))
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*str = ' ';
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str++;
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}
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}
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#endif
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static void generic_msg(const char *s, const char *t, const char *n, va_list ap)
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{
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fprintf(stderr, "%s:%d:%d: %s: ", input_name ? input_name : "stdin", line_number, char_number, t);
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vfprintf(stderr, s, ap);
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#ifdef WANT_NEAR_INDICATION
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{
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char *cpy;
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if(n)
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{
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cpy = xstrdup(n);
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make_print(cpy);
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fprintf(stderr, " near '%s'", cpy);
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free(cpy);
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}
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}
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#endif
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}
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int parser_error(const char *s, ...)
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{
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va_list ap;
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va_start(ap, s);
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generic_msg(s, "Error", parser_text, ap);
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fputc( '\n', stderr );
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va_end(ap);
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exit(1);
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return 1;
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}
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int parser_warning(const char *s, ...)
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{
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va_list ap;
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va_start(ap, s);
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generic_msg(s, "Warning", parser_text, ap);
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va_end(ap);
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return 0;
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}
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void fatal_perror( const char *msg, ... )
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{
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va_list valist;
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va_start( valist, msg );
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fprintf(stderr, "Error: ");
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vfprintf( stderr, msg, valist );
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perror( " " );
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va_end( valist );
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exit(2);
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}
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void error(const char *s, ...)
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{
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va_list ap;
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va_start(ap, s);
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fprintf(stderr, "Error: ");
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vfprintf(stderr, s, ap);
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va_end(ap);
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exit(2);
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}
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void warning(const char *s, ...)
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{
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va_list ap;
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va_start(ap, s);
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fprintf(stderr, "Warning: ");
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vfprintf(stderr, s, ap);
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va_end(ap);
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}
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void chat(const char *s, ...)
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{
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if(debuglevel & DEBUGLEVEL_CHAT)
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{
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va_list ap;
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va_start(ap, s);
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fprintf(stderr, "FYI: ");
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vfprintf(stderr, s, ap);
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va_end(ap);
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}
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}
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int compare_striA( const char *str1, const char *str2 )
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{
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for (;;)
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{
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/* only the A-Z range is case-insensitive */
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char ch1 = (*str1 >= 'a' && *str1 <= 'z') ? *str1 + 'A' - 'a' : *str1;
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char ch2 = (*str2 >= 'a' && *str2 <= 'z') ? *str2 + 'A' - 'a' : *str2;
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if (!ch1 || ch1 != ch2) return ch1 - ch2;
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str1++;
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str2++;
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}
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}
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int compare_striW( const WCHAR *str1, const WCHAR *str2 )
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{
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for (;;)
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{
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/* only the A-Z range is case-insensitive */
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WCHAR ch1 = (*str1 >= 'a' && *str1 <= 'z') ? *str1 + 'A' - 'a' : *str1;
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WCHAR ch2 = (*str2 >= 'a' && *str2 <= 'z') ? *str2 + 'A' - 'a' : *str2;
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if (!ch1 || ch1 != ch2) return ch1 - ch2;
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str1++;
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str2++;
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}
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}
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int compare_striAW( const char *str1, const WCHAR *str2 )
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{
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for (;;)
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{
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/* only the A-Z range is case-insensitive */
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WCHAR ch1 = (*str1 >= 'a' && *str1 <= 'z') ? *str1 + 'A' - 'a' : (unsigned char)*str1;
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WCHAR ch2 = (*str2 >= 'a' && *str2 <= 'z') ? *str2 + 'A' - 'a' : *str2;
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if (!ch1 || ch1 != ch2) return ch1 - ch2;
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str1++;
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str2++;
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}
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}
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/*
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*****************************************************************************
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* Function : compare_name_id
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* Syntax : int compare_name_id(const name_id_t *n1, const name_id_t *n2)
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* Input :
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* Output :
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* Description :
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* Remarks :
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*****************************************************************************
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*/
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int compare_name_id(const name_id_t *n1, const name_id_t *n2)
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{
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if (n1->type != n2->type) return n1->type == name_ord ? 1 : -1;
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if (n1->type == name_ord) return n1->name.i_name - n2->name.i_name;
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if (n1->name.s_name->type == str_char)
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{
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if (n2->name.s_name->type == str_char)
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return compare_striA(n1->name.s_name->str.cstr, n2->name.s_name->str.cstr);
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return compare_striAW(n1->name.s_name->str.cstr, n2->name.s_name->str.wstr);
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}
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else
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{
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if (n2->name.s_name->type == str_char)
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return -compare_striAW(n2->name.s_name->str.cstr, n1->name.s_name->str.wstr);
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return compare_striW(n1->name.s_name->str.wstr, n2->name.s_name->str.wstr);
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}
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}
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#ifdef _WIN32
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int is_valid_codepage(int id)
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{
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return IsValidCodePage( id );
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}
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static WCHAR *codepage_to_unicode( int codepage, const char *src, int srclen, int *dstlen )
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{
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WCHAR *dst = xmalloc( (srclen + 1) * sizeof(WCHAR) );
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DWORD ret = MultiByteToWideChar( codepage, MB_ERR_INVALID_CHARS, src, srclen, dst, srclen );
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if (!ret) return NULL;
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dst[ret] = 0;
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*dstlen = ret;
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return dst;
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}
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int get_language_codepage( language_t lang )
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{
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DWORD codepage;
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if (!lang) return 1252;
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if (!GetLocaleInfoW( lang, LOCALE_IDEFAULTANSICODEPAGE | LOCALE_RETURN_NUMBER,
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(WCHAR *)&codepage, sizeof(codepage)/sizeof(WCHAR) )) return -1;
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return codepage;
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}
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#else /* _WIN32 */
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struct nls_info
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{
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unsigned short codepage;
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unsigned short unidef;
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unsigned short trans_unidef;
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unsigned short *cp2uni;
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unsigned short *dbcs_offsets;
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};
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static struct nls_info nlsinfo[128];
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static void init_nls_info( struct nls_info *info, unsigned short *ptr )
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{
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unsigned short hdr_size = ptr[0];
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info->codepage = ptr[1];
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info->unidef = ptr[4];
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info->trans_unidef = ptr[6];
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ptr += hdr_size;
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info->cp2uni = ++ptr;
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ptr += 256;
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if (*ptr++) ptr += 256; /* glyph table */
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info->dbcs_offsets = *ptr ? ptr + 1 : NULL;
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}
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static const struct nls_info *get_nls_info( unsigned int codepage )
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{
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unsigned short *data;
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char *path;
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unsigned int i;
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size_t size;
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for (i = 0; i < ARRAY_SIZE(nlsinfo) && nlsinfo[i].codepage; i++)
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if (nlsinfo[i].codepage == codepage) return &nlsinfo[i];
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assert( i < ARRAY_SIZE(nlsinfo) );
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for (i = 0; nlsdirs[i]; i++)
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{
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path = strmake( "%s/c_%03u.nls", nlsdirs[i], codepage );
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if ((data = read_file( path, &size )))
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{
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free( path );
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init_nls_info( &nlsinfo[i], data );
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return &nlsinfo[i];
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}
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free( path );
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}
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return NULL;
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}
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int is_valid_codepage(int cp)
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{
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return cp == CP_UTF8 || get_nls_info( cp );
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}
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static WCHAR *codepage_to_unicode( int codepage, const char *src, int srclen, int *dstlen )
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{
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const struct nls_info *info = get_nls_info( codepage );
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unsigned int i;
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WCHAR dbch, *dst = xmalloc( (srclen + 1) * sizeof(WCHAR) );
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if (!info) error( "codepage %u not supported\n", codepage );
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if (info->dbcs_offsets)
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{
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for (i = 0; srclen; i++, srclen--, src++)
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{
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unsigned short off = info->dbcs_offsets[(unsigned char)*src];
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if (off)
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{
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if (srclen == 1) return NULL;
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dbch = (src[0] << 8) | (unsigned char)src[1];
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src++;
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srclen--;
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dst[i] = info->dbcs_offsets[off + (unsigned char)*src];
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if (dst[i] == info->unidef && dbch != info->trans_unidef) return NULL;
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}
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else
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{
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dst[i] = info->cp2uni[(unsigned char)*src];
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if (dst[i] == info->unidef && *src != info->trans_unidef) return NULL;
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}
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}
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}
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else
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{
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for (i = 0; i < srclen; i++)
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{
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dst[i] = info->cp2uni[(unsigned char)src[i]];
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if (dst[i] == info->unidef && src[i] != info->trans_unidef) return NULL;
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}
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}
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dst[i] = 0;
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*dstlen = i;
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return dst;
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}
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static const NLS_LOCALE_LCID_INDEX *lcids_index;
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static const NLS_LOCALE_HEADER *locale_table;
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static const NLS_LOCALE_LCNAME_INDEX *lcnames_index;
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static const WCHAR *locale_strings;
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static void load_locale_nls(void)
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{
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struct
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{
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unsigned int ctypes;
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unsigned int unknown1;
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unsigned int unknown2;
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unsigned int unknown3;
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unsigned int locales;
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unsigned int charmaps;
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unsigned int geoids;
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unsigned int scripts;
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} *header;
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char *path;
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unsigned int i;
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size_t size;
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for (i = 0; nlsdirs[i]; i++)
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{
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path = strmake( "%s/locale.nls", nlsdirs[i] );
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header = read_file( path, &size );
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free( path );
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if (!header) continue;
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locale_table = (const NLS_LOCALE_HEADER *)((char *)header + header->locales);
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lcids_index = (const NLS_LOCALE_LCID_INDEX *)((char *)locale_table + locale_table->lcids_offset);
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lcnames_index = (const NLS_LOCALE_LCNAME_INDEX *)((char *)locale_table + locale_table->lcnames_offset);
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locale_strings = (const WCHAR *)((char *)locale_table + locale_table->strings_offset);
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return;
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}
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error( "unable to load locale.nls\n" );
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}
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static const NLS_LOCALE_LCID_INDEX *find_lcid_entry( LCID lcid )
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{
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int min = 0, max = locale_table->nb_lcids - 1;
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while (min <= max)
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{
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int pos = (min + max) / 2;
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if (lcid < lcids_index[pos].id) max = pos - 1;
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else if (lcid > lcids_index[pos].id) min = pos + 1;
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else return &lcids_index[pos];
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}
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return NULL;
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}
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static const NLS_LOCALE_DATA *get_locale_data( UINT idx )
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{
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ULONG offset = locale_table->locales_offset + idx * locale_table->locale_size;
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return (const NLS_LOCALE_DATA *)((const char *)locale_table + offset);
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}
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int get_language_codepage( language_t lang )
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{
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const NLS_LOCALE_LCID_INDEX *entry;
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if (!lang) return 1252;
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if (lang == MAKELANGID( LANG_ENGLISH, SUBLANG_DEFAULT )) return 1252;
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if (!locale_table) load_locale_nls();
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if (!(entry = find_lcid_entry( lang ))) return -1;
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return get_locale_data( entry->idx )->idefaultansicodepage;
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}
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#endif /* _WIN32 */
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static WCHAR *utf8_to_unicode( const char *src, int srclen, int *dstlen )
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{
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static const char utf8_length[128] =
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{
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x80-0x8f */
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x90-0x9f */
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xa0-0xaf */
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xb0-0xbf */
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0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0xc0-0xcf */
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0xd0-0xdf */
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2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 0xe0-0xef */
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3,3,3,3,3,0,0,0,0,0,0,0,0,0,0,0 /* 0xf0-0xff */
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};
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static const unsigned char utf8_mask[4] = { 0x7f, 0x1f, 0x0f, 0x07 };
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const char *srcend = src + srclen;
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int len, res;
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WCHAR *ret, *dst;
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dst = ret = xmalloc( (srclen + 1) * sizeof(WCHAR) );
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while (src < srcend)
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{
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unsigned char ch = *src++;
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if (ch < 0x80) /* special fast case for 7-bit ASCII */
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{
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*dst++ = ch;
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continue;
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}
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len = utf8_length[ch - 0x80];
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if (len && src + len <= srcend)
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{
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res = ch & utf8_mask[len];
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switch (len)
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{
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case 3:
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if ((ch = *src ^ 0x80) >= 0x40) break;
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res = (res << 6) | ch;
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src++;
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if (res < 0x10) break;
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case 2:
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if ((ch = *src ^ 0x80) >= 0x40) break;
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res = (res << 6) | ch;
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if (res >= 0x110000 >> 6) break;
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src++;
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if (res < 0x20) break;
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if (res >= 0xd800 >> 6 && res <= 0xdfff >> 6) break;
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case 1:
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if ((ch = *src ^ 0x80) >= 0x40) break;
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res = (res << 6) | ch;
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src++;
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if (res < 0x80) break;
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if (res <= 0xffff) *dst++ = res;
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else
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{
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res -= 0x10000;
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*dst++ = 0xd800 | (res >> 10);
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*dst++ = 0xdc00 | (res & 0x3ff);
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}
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continue;
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}
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}
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*dst++ = 0xfffd;
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}
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*dst = 0;
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*dstlen = dst - ret;
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return ret;
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}
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static char *unicode_to_utf8( const WCHAR *src, int srclen, int *dstlen )
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{
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char *ret, *dst;
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dst = ret = xmalloc( srclen * 3 + 1 );
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for ( ; srclen; srclen--, src++)
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{
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unsigned int ch = *src;
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if (ch < 0x80) /* 0x00-0x7f: 1 byte */
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{
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*dst++ = ch;
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continue;
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}
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if (ch < 0x800) /* 0x80-0x7ff: 2 bytes */
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{
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dst[1] = 0x80 | (ch & 0x3f);
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ch >>= 6;
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dst[0] = 0xc0 | ch;
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dst += 2;
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continue;
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}
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if (ch >= 0xd800 && ch <= 0xdbff && srclen > 1 && src[1] >= 0xdc00 && src[1] <= 0xdfff)
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{
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/* 0x10000-0x10ffff: 4 bytes */
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ch = 0x10000 + ((ch & 0x3ff) << 10) + (src[1] & 0x3ff);
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dst[3] = 0x80 | (ch & 0x3f);
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ch >>= 6;
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dst[2] = 0x80 | (ch & 0x3f);
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ch >>= 6;
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dst[1] = 0x80 | (ch & 0x3f);
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ch >>= 6;
|
|
dst[0] = 0xf0 | ch;
|
|
dst += 4;
|
|
src++;
|
|
srclen--;
|
|
continue;
|
|
}
|
|
if (ch >= 0xd800 && ch <= 0xdfff) ch = 0xfffd; /* invalid surrogate pair */
|
|
|
|
/* 0x800-0xffff: 3 bytes */
|
|
dst[2] = 0x80 | (ch & 0x3f);
|
|
ch >>= 6;
|
|
dst[1] = 0x80 | (ch & 0x3f);
|
|
ch >>= 6;
|
|
dst[0] = 0xe0 | ch;
|
|
dst += 3;
|
|
}
|
|
*dst = 0;
|
|
*dstlen = dst - ret;
|
|
return ret;
|
|
}
|
|
|
|
string_t *convert_string_unicode( const string_t *str, int codepage )
|
|
{
|
|
string_t *ret = xmalloc(sizeof(*ret));
|
|
|
|
ret->type = str_unicode;
|
|
ret->loc = str->loc;
|
|
|
|
if (str->type == str_char)
|
|
{
|
|
if (!codepage) parser_error( "Current language is Unicode only, cannot convert string" );
|
|
|
|
if (codepage == CP_UTF8)
|
|
ret->str.wstr = utf8_to_unicode( str->str.cstr, str->size, &ret->size );
|
|
else
|
|
ret->str.wstr = codepage_to_unicode( codepage, str->str.cstr, str->size, &ret->size );
|
|
if (!ret->str.wstr) parser_error( "Invalid character in string '%.*s' for codepage %u",
|
|
str->size, str->str.cstr, codepage );
|
|
}
|
|
else
|
|
{
|
|
ret->size = str->size;
|
|
ret->str.wstr = xmalloc(sizeof(WCHAR)*(ret->size+1));
|
|
memcpy( ret->str.wstr, str->str.wstr, ret->size * sizeof(WCHAR) );
|
|
ret->str.wstr[ret->size] = 0;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
char *convert_string_utf8( const string_t *str, int codepage )
|
|
{
|
|
int len;
|
|
string_t *wstr = convert_string_unicode( str, codepage );
|
|
char *ret = unicode_to_utf8( wstr->str.wstr, wstr->size, &len );
|
|
free_string( wstr );
|
|
return ret;
|
|
}
|
|
|
|
void free_string(string_t *str)
|
|
{
|
|
if (str->type == str_unicode) free( str->str.wstr );
|
|
else free( str->str.cstr );
|
|
free( str );
|
|
}
|
|
|
|
/* check if the string is valid utf8 despite a different codepage being in use */
|
|
int check_valid_utf8( const string_t *str, int codepage )
|
|
{
|
|
int i, count;
|
|
WCHAR *wstr;
|
|
|
|
if (!check_utf8) return 0;
|
|
if (!codepage) return 0;
|
|
if (codepage == CP_UTF8) return 0;
|
|
if (!is_valid_codepage( codepage )) return 0;
|
|
|
|
for (i = count = 0; i < str->size; i++)
|
|
{
|
|
if ((unsigned char)str->str.cstr[i] >= 0xf5) goto done;
|
|
if ((unsigned char)str->str.cstr[i] >= 0xc2) { count++; continue; }
|
|
if ((unsigned char)str->str.cstr[i] >= 0x80) goto done;
|
|
}
|
|
if (!count) return 0; /* no 8-bit chars at all */
|
|
|
|
wstr = utf8_to_unicode( str->str.cstr, str->size, &count );
|
|
for (i = 0; i < count; i++) if (wstr[i] == 0xfffd) break;
|
|
free( wstr );
|
|
return (i == count);
|
|
|
|
done:
|
|
check_utf8 = 0; /* at least one 8-bit non-utf8 string found, stop checking */
|
|
return 0;
|
|
}
|
|
|
|
const char *get_nameid_str(const name_id_t *n)
|
|
{
|
|
int len;
|
|
|
|
if (!n) return "<none>";
|
|
if (n->type == name_ord) return strmake( "%u", n->name.i_name );
|
|
if (n->name.s_name->type == str_char) return n->name.s_name->str.cstr;
|
|
return unicode_to_utf8( n->name.s_name->str.wstr, n->name.s_name->size, &len );
|
|
}
|