--- /dev/null
+/*
+ * "streamable kanji code filter and converter"
+ * Copyright (c) 1998-2002 HappySize, Inc. All rights reserved.
+ *
+ * LICENSE NOTICES
+ *
+ * This file is part of "streamable kanji code filter and converter",
+ * which is distributed under the terms of GNU Lesser General Public
+ * License (version 2) as published by the Free Software Foundation.
+ *
+ * This software 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 "streamable kanji code filter and converter";
+ * if not, write to the Free Software Foundation, Inc., 59 Temple Place,
+ * Suite 330, Boston, MA 02111-1307 USA
+ *
+ * The author of this file:
+ *
+ */
+/*
+ * The source code included in this files was separated from mbfilter_ja.c
+ * by moriyoshi koizumi <moriyoshi@php.net> on 4 dec 2002.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "mbfilter.h"
+#include "mbfilter_cp51932.h"
+
+#include "unicode_table_cp932_ext.h"
+#include "unicode_table_jis.h"
+#include "cp932_table.h"
+
+static int mbfl_filt_ident_cp51932(int c, mbfl_identify_filter *filter);
+
+static const unsigned char mblen_table_eucjp[] = { /* 0xA1-0xFE */
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1
+};
+
+
+static const char *mbfl_encoding_cp51932_aliases[] = {"cp51932", NULL};
+
+const struct mbfl_identify_vtbl vtbl_identify_cp51932 = {
+ mbfl_no_encoding_cp51932,
+ mbfl_filt_ident_common_ctor,
+ mbfl_filt_ident_common_dtor,
+ mbfl_filt_ident_cp51932
+};
+
+const mbfl_encoding mbfl_encoding_cp51932 = {
+ mbfl_no_encoding_cp51932,
+ "CP51932",
+ "CP51932",
+ (const char *(*)[])&mbfl_encoding_cp51932_aliases,
+ mblen_table_eucjp,
+ MBFL_ENCTYPE_MBCS
+};
+
+const struct mbfl_convert_vtbl vtbl_cp51932_wchar = {
+ mbfl_no_encoding_cp51932,
+ mbfl_no_encoding_wchar,
+ mbfl_filt_conv_common_ctor,
+ mbfl_filt_conv_common_dtor,
+ mbfl_filt_conv_cp51932_wchar,
+ mbfl_filt_conv_common_flush
+};
+
+const struct mbfl_convert_vtbl vtbl_wchar_cp51932 = {
+ mbfl_no_encoding_wchar,
+ mbfl_no_encoding_cp51932,
+ mbfl_filt_conv_common_ctor,
+ mbfl_filt_conv_common_dtor,
+ mbfl_filt_conv_wchar_cp51932,
+ mbfl_filt_conv_common_flush
+};
+
+#define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
+
+#define sjistoidx(c1, c2) \
+ (((c1) > 0x9f) \
+ ? (((c1) - 0xc1) * 188 + (c2) - (((c2) > 0x7e) ? 0x41 : 0x40)) \
+ : (((c1) - 0x81) * 188 + (c2) - (((c2) > 0x7e) ? 0x41 : 0x40)))
+#define idxtoeuc1(c) (((c) / 94) + 0xa1)
+#define idxtoeuc2(c) (((c) % 94) + 0xa1)
+
+/*
+ * cp51932 => wchar
+ */
+int
+mbfl_filt_conv_cp51932_wchar(int c, mbfl_convert_filter *filter)
+{
+ int c1, s, w;
+
+ switch (filter->status) {
+ case 0:
+ if (c >= 0 && c < 0x80) { /* latin */
+ CK((*filter->output_function)(c, filter->data));
+ } else if (c > 0xa0 && c < 0xff) { /* CP932 first char */
+ filter->status = 1;
+ filter->cache = c;
+ } else if (c == 0x8e) { /* kana first char */
+ filter->status = 2;
+ } else {
+ w = c & MBFL_WCSGROUP_MASK;
+ w |= MBFL_WCSGROUP_THROUGH;
+ CK((*filter->output_function)(w, filter->data));
+ }
+ break;
+
+ case 1: /* got first half */
+ filter->status = 0;
+ c1 = filter->cache;
+ if (c > 0xa0 && c < 0xff) {
+ w = 0;
+ s = (c1 - 0xa1)*94 + c - 0xa1;
+ if (s <= 137) {
+ if (s == 31) {
+ w = 0xff3c; /* FULLWIDTH REVERSE SOLIDUS */
+ } else if (s == 32) {
+ w = 0xff5e; /* FULLWIDTH TILDE */
+ } else if (s == 33) {
+ w = 0x2225; /* PARALLEL TO */
+ } else if (s == 60) {
+ w = 0xff0d; /* FULLWIDTH HYPHEN-MINUS */
+ } else if (s == 80) {
+ w = 0xffe0; /* FULLWIDTH CENT SIGN */
+ } else if (s == 81) {
+ w = 0xffe1; /* FULLWIDTH POUND SIGN */
+ } else if (s == 137) {
+ w = 0xffe2; /* FULLWIDTH NOT SIGN */
+ }
+ }
+ if (w == 0) {
+ if (s >= cp932ext1_ucs_table_min && s < cp932ext1_ucs_table_max) { /* vendor ext1 (13ku) */
+ w = cp932ext1_ucs_table[s - cp932ext1_ucs_table_min];
+ } else if (s >= 0 && s < jisx0208_ucs_table_size) { /* X 0208 */
+ w = jisx0208_ucs_table[s];
+ } else if (s >= cp932ext2_ucs_table_min && s < cp932ext2_ucs_table_max) { /* vendor ext2 (89ku - 92ku) */
+ w = cp932ext2_ucs_table[s - cp932ext2_ucs_table_min];
+ }
+ }
+ if (w <= 0) {
+ w = ((c1 & 0x7f) << 8) | (c & 0x7f);
+ w &= MBFL_WCSPLANE_MASK;
+ w |= MBFL_WCSPLANE_WINCP932;
+ }
+ CK((*filter->output_function)(w, filter->data));
+ } else if ((c >= 0 && c < 0x21) || c == 0x7f) { /* CTLs */
+ CK((*filter->output_function)(c, filter->data));
+ } else {
+ w = (c1 << 8) | c;
+ w &= MBFL_WCSGROUP_MASK;
+ w |= MBFL_WCSGROUP_THROUGH;
+ CK((*filter->output_function)(w, filter->data));
+ }
+ break;
+
+ case 2: /* got 0x8e, X0201 kana */
+ filter->status = 0;
+ if (c > 0xa0 && c < 0xe0) {
+ w = 0xfec0 + c;
+ CK((*filter->output_function)(w, filter->data));
+ } else if ((c >= 0 && c < 0x21) || c == 0x7f) { /* CTLs */
+ CK((*filter->output_function)(c, filter->data));
+ } else {
+ w = 0x8e00 | c;
+ w &= MBFL_WCSGROUP_MASK;
+ w |= MBFL_WCSGROUP_THROUGH;
+ CK((*filter->output_function)(w, filter->data));
+ }
+ break;
+
+ default:
+ filter->status = 0;
+ break;
+ }
+
+ return c;
+}
+
+int
+cp932ext3_to_cp51932(int c)
+{
+ int idx;
+
+ idx = sjistoidx(c >> 8, c & 0xff);
+ if (idx >= sjistoidx(0xfa, 0x5c))
+ idx -= sjistoidx(0xfa, 0x5c) - sjistoidx(0xed, 0x40);
+ else if (idx >= sjistoidx(0xfa, 0x55))
+ idx -= sjistoidx(0xfa, 0x55) - sjistoidx(0xee, 0xfa);
+ else if (idx >= sjistoidx(0xfa, 0x40))
+ idx -= sjistoidx(0xfa, 0x40) - sjistoidx(0xee, 0xef);
+ return idxtoeuc1(idx) << 8 | idxtoeuc2(idx);
+}
+
+/*
+ * wchar => cp51932
+ */
+int
+mbfl_filt_conv_wchar_cp51932(int c, mbfl_convert_filter *filter)
+{
+ int c1, c2, s1;
+
+ s1 = 0;
+ if (c >= ucs_a1_jis_table_min && c < ucs_a1_jis_table_max) {
+ s1 = ucs_a1_jis_table[c - ucs_a1_jis_table_min];
+ } else if (c >= ucs_a2_jis_table_min && c < ucs_a2_jis_table_max) {
+ s1 = ucs_a2_jis_table[c - ucs_a2_jis_table_min];
+ } else if (c >= ucs_i_jis_table_min && c < ucs_i_jis_table_max) {
+ s1 = ucs_i_jis_table[c - ucs_i_jis_table_min];
+ } else if (c >= ucs_r_jis_table_min && c < ucs_r_jis_table_max) {
+ s1 = ucs_r_jis_table[c - ucs_r_jis_table_min];
+ }
+ if (s1 >= 0x8080) s1 = -1; /* we don't support JIS X0213 */
+ if (s1 <= 0) {
+ c1 = c & ~MBFL_WCSPLANE_MASK;
+ if (c1 == MBFL_WCSPLANE_WINCP932) {
+ s1 = c & MBFL_WCSPLANE_MASK;
+ if (s1 >= ((85 + 0x20) << 8)) { /* 85ku - 120ku */
+ s1 = -1;
+ }
+ } else if (c1 == MBFL_WCSPLANE_JIS0208) {
+ s1 = c & MBFL_WCSPLANE_MASK;
+ if ((s1 >= ((85 + 0x20) << 8) && /* 85ku - 94ku */
+ s1 <= ((88 + 0x20) << 8)) ||/* IBM extension */
+ (s1 >= ((93 + 0x20) << 8) && /* 89ku - 92ku */
+ s1 <= ((94 + 0x20) << 8))) {
+ s1 = -1;
+ }
+ } else if (c == 0xa5) { /* YEN SIGN */
+ s1 = 0x216f; /* FULLWIDTH YEN SIGN */
+ } else if (c == 0x203e) { /* OVER LINE */
+ s1 = 0x2131; /* FULLWIDTH MACRON */
+ } else if (c == 0xff3c) { /* FULLWIDTH REVERSE SOLIDUS */
+ s1 = 0x2140;
+ } else if (c == 0xff5e) { /* FULLWIDTH TILDE */
+ s1 = 0x2141;
+ } else if (c == 0x2225) { /* PARALLEL TO */
+ s1 = 0x2142;
+ } else if (c == 0xff0d) { /* FULLWIDTH HYPHEN-MINUS */
+ s1 = 0x215d;
+ } else if (c == 0xffe0) { /* FULLWIDTH CENT SIGN */
+ s1 = 0x2171;
+ } else if (c == 0xffe1) { /* FULLWIDTH POUND SIGN */
+ s1 = 0x2172;
+ } else if (c == 0xffe2) { /* FULLWIDTH NOT SIGN */
+ s1 = 0x224c;
+ } else {
+ s1 = -1;
+ c1 = 0;
+ c2 = cp932ext1_ucs_table_max - cp932ext1_ucs_table_min;
+ while (c1 < c2) { /* CP932 vendor ext1 (13ku) */
+ if (c == cp932ext1_ucs_table[c1]) {
+ s1 = ((c1/94 + 0x2d) << 8) + (c1%94 + 0x21);
+ break;
+ }
+ c1++;
+ }
+ if (s1 < 0) {
+ c1 = 0;
+ c2 = cp932ext2_ucs_table_max - cp932ext2_ucs_table_min;
+ while (c1 < c2) { /* CP932 vendor ext3 (115ku - 119ku) */
+ if (c == cp932ext2_ucs_table[c1]) {
+ s1 = ((c1/94 + 0x79) << 8) +(c1%94 + 0x21);
+ break;
+ }
+ c1++;
+ }
+ }
+ }
+ if (c == 0) {
+ s1 = 0;
+ } else if (s1 <= 0) {
+ s1 = -1;
+ }
+ }
+
+ if (s1 >= 0) {
+ if (s1 < 0x80) { /* latin */
+ CK((*filter->output_function)(s1, filter->data));
+ } else if (s1 < 0x100) { /* kana */
+ CK((*filter->output_function)(0x8e, filter->data));
+ CK((*filter->output_function)(s1, filter->data));
+ } else if (s1 < 0x8080) { /* X 0208 */
+ CK((*filter->output_function)(((s1 >> 8) & 0xff) | 0x80, filter->data));
+ CK((*filter->output_function)((s1 & 0xff) | 0x80, filter->data));
+ } else {
+ if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
+ CK(mbfl_filt_conv_illegal_output(c, filter));
+ }
+ }
+ } else {
+ if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
+ CK(mbfl_filt_conv_illegal_output(c, filter));
+ }
+ }
+
+ return c;
+}
+
+static int mbfl_filt_ident_cp51932(int c, mbfl_identify_filter *filter)
+{
+ switch (filter->status) {
+ case 0: /* latin */
+ if (c >= 0 && c < 0x80) { /* ok */
+ ;
+ } else if (c > 0xa0 && c < 0xff) { /* kanji first char */
+ filter->status = 1;
+ } else if (c == 0x8e) { /* kana first char */
+ filter->status = 2;
+ } else { /* bad */
+ filter->flag = 1;
+ }
+ break;
+
+ case 1: /* got first half */
+ if (c < 0xa1 || c > 0xfe) { /* bad */
+ filter->flag = 1;
+ }
+ filter->status = 0;
+ break;
+
+ case 2: /* got 0x8e */
+ if (c < 0xa1 || c > 0xdf) { /* bad */
+ filter->flag = 1;
+ }
+ filter->status = 0;
+ break;
+
+ default:
+ filter->status = 0;
+ break;
+ }
+
+ return c;
+}
+
+
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