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-rw-r--r--MSVC/iconv/euc_tw.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/MSVC/iconv/euc_tw.h b/MSVC/iconv/euc_tw.h
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+++ b/MSVC/iconv/euc_tw.h
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+/*
+ * Copyright (C) 1999-2001 Free Software Foundation, Inc.
+ * This file is part of the GNU LIBICONV Library.
+ *
+ * The GNU LIBICONV Library is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * The GNU LIBICONV Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
+ * If not, write to the Free Software Foundation, Inc., 59 Temple Place -
+ * Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * EUC-TW
+ */
+
+static int
+euc_tw_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
+{
+ unsigned char c = *s;
+ /* Code set 0 (ASCII) */
+ if (c < 0x80)
+ return ascii_mbtowc(conv,pwc,s,n);
+ /* Code set 1 (CNS 11643-1992 Plane 1) */
+ if (c >= 0xa1 && c < 0xff) {
+ if (n < 2)
+ return RET_TOOFEW(0);
+ {
+ unsigned char c2 = s[1];
+ if (c2 >= 0xa1 && c2 < 0xff) {
+ unsigned char buf[2];
+ buf[0] = c-0x80; buf[1] = c2-0x80;
+ return cns11643_1_mbtowc(conv,pwc,buf,2);
+ } else
+ return RET_ILSEQ;
+ }
+ }
+ /* Code set 2 (CNS 11643-1992 Planes 1-16) */
+ if (c == 0x8e) {
+ if (n < 4)
+ return RET_TOOFEW(0);
+ {
+ unsigned char c2 = s[1];
+ if (c2 >= 0xa1 && c2 <= 0xb0) {
+ unsigned char c3 = s[2];
+ unsigned char c4 = s[3];
+ if (c3 >= 0xa1 && c3 < 0xff && c4 >= 0xa1 && c4 < 0xff) {
+ unsigned char buf[2];
+ int ret;
+ buf[0] = c3-0x80; buf[1] = c4-0x80;
+ switch (c2-0xa0) {
+ case 1: ret = cns11643_1_mbtowc(conv,pwc,buf,2); break;
+ case 2: ret = cns11643_2_mbtowc(conv,pwc,buf,2); break;
+ case 3: ret = cns11643_3_mbtowc(conv,pwc,buf,2); break;
+ case 4: ret = cns11643_4_mbtowc(conv,pwc,buf,2); break;
+ case 5: ret = cns11643_5_mbtowc(conv,pwc,buf,2); break;
+ case 6: ret = cns11643_6_mbtowc(conv,pwc,buf,2); break;
+ case 7: ret = cns11643_7_mbtowc(conv,pwc,buf,2); break;
+ case 15: ret = cns11643_15_mbtowc(conv,pwc,buf,2); break;
+ default: return RET_ILSEQ;
+ }
+ if (ret == RET_ILSEQ)
+ return RET_ILSEQ;
+ if (ret != 2) abort();
+ return 4;
+ }
+ }
+ }
+ }
+ return RET_ILSEQ;
+}
+
+static int
+euc_tw_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
+{
+ unsigned char buf[3];
+ int ret;
+
+ /* Code set 0 (ASCII) */
+ ret = ascii_wctomb(conv,r,wc,n);
+ if (ret != RET_ILUNI)
+ return ret;
+
+ ret = cns11643_wctomb(conv,buf,wc,3);
+ if (ret != RET_ILUNI) {
+ if (ret != 3) abort();
+
+ /* Code set 1 (CNS 11643-1992 Plane 1) */
+ if (buf[0] == 1) {
+ if (n < 2)
+ return RET_TOOSMALL;
+ r[0] = buf[1]+0x80;
+ r[1] = buf[2]+0x80;
+ return 2;
+ }
+
+ /* Code set 2 (CNS 11643-1992 Planes 1-16) */
+ if (n < 4)
+ return RET_TOOSMALL;
+ r[0] = 0x8e;
+ r[1] = buf[0]+0xa0;
+ r[2] = buf[1]+0x80;
+ r[3] = buf[2]+0x80;
+ return 4;
+ }
+
+ return RET_ILUNI;
+}