Annotation of embedaddon/php/ext/mbstring/libmbfl/filters/mbfilter_iso8859_3.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_3.h"
! 36: #include "unicode_table_iso8859_3.h"
! 37:
! 38: static const char *mbfl_encoding_8859_3_aliases[] = {"ISO_8859-3", "latin3", NULL};
! 39:
! 40: const mbfl_encoding mbfl_encoding_8859_3 = {
! 41: mbfl_no_encoding_8859_3,
! 42: "ISO-8859-3",
! 43: "ISO-8859-3",
! 44: (const char *(*)[])&mbfl_encoding_8859_3_aliases,
! 45: NULL,
! 46: MBFL_ENCTYPE_SBCS
! 47: };
! 48:
! 49: const struct mbfl_identify_vtbl vtbl_identify_8859_3 = {
! 50: mbfl_no_encoding_8859_3,
! 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_3_wchar = {
! 57: mbfl_no_encoding_8859_3,
! 58: mbfl_no_encoding_wchar,
! 59: mbfl_filt_conv_common_ctor,
! 60: mbfl_filt_conv_common_dtor,
! 61: mbfl_filt_conv_8859_3_wchar,
! 62: mbfl_filt_conv_common_flush
! 63: };
! 64:
! 65: const struct mbfl_convert_vtbl vtbl_wchar_8859_3 = {
! 66: mbfl_no_encoding_wchar,
! 67: mbfl_no_encoding_8859_3,
! 68: mbfl_filt_conv_common_ctor,
! 69: mbfl_filt_conv_common_dtor,
! 70: mbfl_filt_conv_wchar_8859_3,
! 71: mbfl_filt_conv_common_flush
! 72: };
! 73:
! 74:
! 75: #define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
! 76:
! 77: /*
! 78: * ISO-8859-3 => wchar
! 79: */
! 80: int mbfl_filt_conv_8859_3_wchar(int c, mbfl_convert_filter *filter)
! 81: {
! 82: int s;
! 83:
! 84: if (c >= 0 && c < 0xa0) {
! 85: s = c;
! 86: } else if (c >= 0xa0 && c < 0x100) {
! 87: s = iso8859_3_ucs_table[c - 0xa0];
! 88: if (s <= 0) {
! 89: s = c;
! 90: s &= MBFL_WCSPLANE_MASK;
! 91: s |= MBFL_WCSPLANE_8859_3;
! 92: }
! 93: } else {
! 94: s = c;
! 95: s &= MBFL_WCSGROUP_MASK;
! 96: s |= MBFL_WCSGROUP_THROUGH;
! 97: }
! 98:
! 99: CK((*filter->output_function)(s, filter->data));
! 100:
! 101: return c;
! 102: }
! 103:
! 104: /*
! 105: * wchar => ISO-8859-3
! 106: */
! 107: int mbfl_filt_conv_wchar_8859_3(int c, mbfl_convert_filter *filter)
! 108: {
! 109: int s, n;
! 110:
! 111: if (c >= 0 && c < 0xa0) {
! 112: s = c;
! 113: } else {
! 114: s = -1;
! 115: n = 95;
! 116: while (n >= 0) {
! 117: if (c == iso8859_3_ucs_table[n]) {
! 118: s = 0xa0 + n;
! 119: break;
! 120: }
! 121: n--;
! 122: }
! 123: if (s <= 0 && (c & ~MBFL_WCSPLANE_MASK) == MBFL_WCSPLANE_8859_3) {
! 124: s = c & MBFL_WCSPLANE_MASK;
! 125: }
! 126: }
! 127:
! 128: if (s >= 0) {
! 129: CK((*filter->output_function)(s, filter->data));
! 130: } else {
! 131: if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
! 132: CK(mbfl_filt_conv_illegal_output(c, filter));
! 133: }
! 134: }
! 135:
! 136: return c;
! 137: }
! 138:
! 139:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>