root/ext/mbstring/libmbfl/filters/mbfilter_iso8859_1.c

DEFINITIONS

1. mbfl_filt_conv_8859_1_wchar
2. mbfl_filt_conv_wchar_8859_1

   1 /*
   2  * "streamable kanji code filter and converter"
   3  * Copyright (c) 1998-2002 HappySize, Inc. All rights reserved.
   4  *
   5  * LICENSE NOTICES
   6  *
   7  * This file is part of "streamable kanji code filter and converter",
   8  * which is distributed under the terms of GNU Lesser General Public
   9  * License (version 2) as published by the Free Software Foundation.
  10  *
  11  * This software is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with "streamable kanji code filter and converter";
  18  * if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  19  * Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  * The author of this file:
  22  *
  23  */
  24 /*
  25  * The source code included in this files was separated from mbfilter.c
  26  * by moriyoshi koizumi <moriyoshi@php.net> on 4 dec 2002.
  27  *
  28  */
  29 
  30 #ifdef HAVE_CONFIG_H
  31 #include "config.h"
  32 #endif
  33 
  34 #include "mbfilter.h"
  35 #include "mbfilter_iso8859_1.h"
  36 
  37 static const char *mbfl_encoding_8859_1_aliases[] = {"ISO_8859-1", "latin1", NULL};
  38 
  39 const mbfl_encoding mbfl_encoding_8859_1 = {
  40         mbfl_no_encoding_8859_1,
  41         "ISO-8859-1",
  42         "ISO-8859-1",
  43         (const char *(*)[])&mbfl_encoding_8859_1_aliases,
  44         NULL,
  45         MBFL_ENCTYPE_SBCS
  46 };
  47 
  48 const struct mbfl_identify_vtbl vtbl_identify_8859_1 = {
  49         mbfl_no_encoding_8859_1,
  50         mbfl_filt_ident_common_ctor,
  51         mbfl_filt_ident_common_dtor,
  52         mbfl_filt_ident_true
  53 };
  54 
  55 const struct mbfl_convert_vtbl vtbl_8859_1_wchar = {
  56         mbfl_no_encoding_8859_1,
  57         mbfl_no_encoding_wchar,
  58         mbfl_filt_conv_common_ctor,
  59         mbfl_filt_conv_common_dtor,
  60         mbfl_filt_conv_8859_1_wchar,
  61         mbfl_filt_conv_common_flush
  62 };
  63 
  64 const struct mbfl_convert_vtbl vtbl_wchar_8859_1 = {
  65         mbfl_no_encoding_wchar,
  66         mbfl_no_encoding_8859_1,
  67         mbfl_filt_conv_common_ctor,
  68         mbfl_filt_conv_common_dtor,
  69         mbfl_filt_conv_wchar_8859_1,
  70         mbfl_filt_conv_common_flush
  71 };
  72 
  73 
  74 #define CK(statement)   do { if ((statement) < 0) return (-1); } while (0)
  75 
  76 /*
  77  * ISO-8859-1 => wchar
  78  */
  79 int mbfl_filt_conv_8859_1_wchar(int c, mbfl_convert_filter *filter)
  80 {
  81         return (*filter->output_function)(c, filter->data);
  82 }
  83 
  84 /*
  85  * wchar => ISO-8859-1
  86  */
  87 int mbfl_filt_conv_wchar_8859_1(int c, mbfl_convert_filter *filter)
  88 {
  89         if (c >= 0 && c < 0x100) {
  90                 CK((*filter->output_function)(c, filter->data));
  91         } else {
  92                 if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
  93                         CK(mbfl_filt_conv_illegal_output(c, filter));
  94                 }
  95         }
  96 
  97         return c;
  98 }
  99 
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