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Diffstat (limited to 'MSVC/iconv/dec_hanyu.h')
-rw-r--r--MSVC/iconv/dec_hanyu.h113
1 files changed, 113 insertions, 0 deletions
diff --git a/MSVC/iconv/dec_hanyu.h b/MSVC/iconv/dec_hanyu.h
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+++ b/MSVC/iconv/dec_hanyu.h
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+/*
+ * Copyright (C) 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.
+ */
+
+/*
+ * DEC-HANYU
+ */
+
+static int
+dec_hanyu_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),
+ Code set 2 (CNS 11643-1992 Plane 2),
+ Code set 3 (CNS 11643-1992 Plane 3) */
+ if (c >= 0xa1 && c < 0xff) {
+ if (n < 2)
+ return RET_TOOFEW(0);
+ {
+ unsigned char c2 = s[1];
+ if (c == 0xc2 && c2 == 0xcb) {
+ if (n < 4)
+ return RET_TOOFEW(0);
+ if (s[2] >= 0xa1 && s[2] < 0xff && s[3] >= 0xa1 && s[3] < 0xff) {
+ unsigned char buf[2];
+ int ret;
+ buf[0] = s[2]-0x80; buf[1] = s[3]-0x80;
+ ret = cns11643_3_mbtowc(conv,pwc,buf,2);
+ if (ret != RET_ILSEQ) {
+ if (ret != 2) abort();
+ return 4;
+ }
+ }
+ } else 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 if (c2 >= 0x21 && c2 < 0x7f) {
+ unsigned char buf[2];
+ buf[0] = c-0x80; buf[1] = c2;
+ return cns11643_2_mbtowc(conv,pwc,buf,2);
+ }
+ }
+ }
+ return RET_ILSEQ;
+}
+
+static int
+dec_hanyu_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 Plane 2) */
+ if (buf[0] == 2) {
+ if (n < 2)
+ return RET_TOOSMALL;
+ r[0] = buf[1]+0x80;
+ r[1] = buf[2];
+ return 2;
+ }
+
+ /* Code set 3 (CNS 11643-1992 Plane 3) */
+ if (buf[0] == 3) {
+ if (n < 4)
+ return RET_TOOSMALL;
+ r[0] = 0xc2;
+ r[1] = 0xcb;
+ r[2] = buf[1]+0x80;
+ r[3] = buf[2]+0x80;
+ return 4;
+ }
+ }
+
+ return RET_ILUNI;
+}