Annotation of embedaddon/php/ext/mbstring/libmbfl/filters/mbfilter_iso8859_9.c, revision 1.1
1.1 ! misho 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_9.h"
! 36: #include "unicode_table_iso8859_9.h"
! 37:
! 38: static const char *mbfl_encoding_8859_9_aliases[] = {"ISO_8859-9", "latin5", NULL};
! 39:
! 40: const mbfl_encoding mbfl_encoding_8859_9 = {
! 41: mbfl_no_encoding_8859_9,
! 42: "ISO-8859-9",
! 43: "ISO-8859-9",
! 44: (const char *(*)[])&mbfl_encoding_8859_9_aliases,
! 45: NULL,
! 46: MBFL_ENCTYPE_SBCS
! 47: };
! 48:
! 49: const struct mbfl_identify_vtbl vtbl_identify_8859_9 = {
! 50: mbfl_no_encoding_8859_9,
! 51: mbfl_filt_ident_common_ctor,
! 52: mbfl_filt_ident_common_dtor,
! 53: mbfl_filt_ident_true
! 54: };
! 55:
! 56: const struct mbfl_convert_vtbl vtbl_8859_9_wchar = {
! 57: mbfl_no_encoding_8859_9,
! 58: mbfl_no_encoding_wchar,
! 59: mbfl_filt_conv_common_ctor,
! 60: mbfl_filt_conv_common_dtor,
! 61: mbfl_filt_conv_8859_9_wchar,
! 62: mbfl_filt_conv_common_flush
! 63: };
! 64:
! 65: const struct mbfl_convert_vtbl vtbl_wchar_8859_9 = {
! 66: mbfl_no_encoding_wchar,
! 67: mbfl_no_encoding_8859_9,
! 68: mbfl_filt_conv_common_ctor,
! 69: mbfl_filt_conv_common_dtor,
! 70: mbfl_filt_conv_wchar_8859_9,
! 71: mbfl_filt_conv_common_flush
! 72: };
! 73:
! 74: #define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
! 75:
! 76: /*
! 77: * ISO-8859-9 => wchar
! 78: */
! 79: int mbfl_filt_conv_8859_9_wchar(int c, mbfl_convert_filter *filter)
! 80: {
! 81: int s;
! 82:
! 83: if (c >= 0 && c < 0xa0) {
! 84: s = c;
! 85: } else if (c >= 0xa0 && c < 0x100) {
! 86: s = iso8859_9_ucs_table[c - 0xa0];
! 87: if (s <= 0) {
! 88: s = c;
! 89: s &= MBFL_WCSPLANE_MASK;
! 90: s |= MBFL_WCSPLANE_8859_9;
! 91: }
! 92: } else {
! 93: s = c;
! 94: s &= MBFL_WCSGROUP_MASK;
! 95: s |= MBFL_WCSGROUP_THROUGH;
! 96: }
! 97:
! 98: CK((*filter->output_function)(s, filter->data));
! 99:
! 100: return c;
! 101: }
! 102:
! 103: /*
! 104: * wchar => ISO-8859-9
! 105: */
! 106: int mbfl_filt_conv_wchar_8859_9(int c, mbfl_convert_filter *filter)
! 107: {
! 108: int s, n;
! 109:
! 110: if (c >= 0 && c < 0xa0) {
! 111: s = c;
! 112: } else {
! 113: s = -1;
! 114: n = 95;
! 115: while (n >= 0) {
! 116: if (c == iso8859_9_ucs_table[n]) {
! 117: s = 0xa0 + n;
! 118: break;
! 119: }
! 120: n--;
! 121: }
! 122: if (s <= 0 && (c & ~MBFL_WCSPLANE_MASK) == MBFL_WCSPLANE_8859_9) {
! 123: s = c & MBFL_WCSPLANE_MASK;
! 124: }
! 125: }
! 126:
! 127: if (s >= 0) {
! 128: CK((*filter->output_function)(s, filter->data));
! 129: } else {
! 130: if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
! 131: CK(mbfl_filt_conv_illegal_output(c, filter));
! 132: }
! 133: }
! 134:
! 135: return c;
! 136: }
! 137:
! 138:
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