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authorPixel <pixel@nobis-crew.org>2011-10-11 16:45:31 -0700
committerPixel <pixel@nobis-crew.org>2011-10-11 16:45:31 -0700
commitead67afc96cdff3e74bb616e8e3a8b0a7695a28a (patch)
tree4d074d11a7983bdbde3f6da7d311cddd9696ef0d /win32/iconv/gb18030.h
parentd2252afcd74af0248c6141c8086d03e12a0a316f (diff)
Making the project compile with mingw32, on the same Makefile. No more separate Makefiles insanity.
Diffstat (limited to 'win32/iconv/gb18030.h')
-rw-r--r--win32/iconv/gb18030.h140
1 files changed, 140 insertions, 0 deletions
diff --git a/win32/iconv/gb18030.h b/win32/iconv/gb18030.h
new file mode 100644
index 0000000..96f52c0
--- /dev/null
+++ b/win32/iconv/gb18030.h
@@ -0,0 +1,140 @@
+/*
+ * 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.
+ */
+
+/*
+ * GB18030
+ */
+
+/*
+ * GB18030, as implemented in glibc-2.2, is an extension of GBK (= CP936).
+ * It adds the following ranges:
+ * 1. Two-byte range
+ * 0xA2E3, 0xA8BF, 0xA98A..0xA995, 0xFE50..0xFE9F
+ * 2. Four-byte range
+ * 0x{81..84}{30..39}{81..FE}{30..39}
+ * Most of Unicode plane 1 in Unicode order.
+ * Start: 0x81308130 = 0x0080
+ * End: 0x8431A439 = 0xFFFF
+ * 3. Four-byte range
+ * 0x{90..E3}{30..39}{81..FE}{30..39}
+ * Unicode plane 2..16 in Unicode order.
+ * Start: 0x90308130 = 0x010000
+ * End: 0xE3329A35 = 0x10FFFF
+ */
+
+#include "gb18030ext.h"
+#include "gb18030uni.h"
+
+static int
+gb18030_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
+{
+ int ret;
+
+ /* Code set 0 (ASCII) */
+ if (*s < 0x80)
+ return ascii_mbtowc(conv,pwc,s,n);
+
+ /* Code set 1 (GBK extended) */
+ ret = gbk_mbtowc(conv,pwc,s,n);
+ if (ret != RET_ILSEQ)
+ return ret;
+
+ ret = gb18030ext_mbtowc(conv,pwc,s,n);
+ if (ret != RET_ILSEQ)
+ return ret;
+
+ /* Code set 2 (remainder of Unicode U+0000..U+FFFF) */
+ ret = gb18030uni_mbtowc(conv,pwc,s,n);
+ if (ret != RET_ILSEQ)
+ return ret;
+
+ /* Code set 3 (Unicode U+10000..U+10FFFF) */
+ {
+ unsigned char c1 = s[0];
+ if (c1 >= 0x90 && c1 <= 0xe3) {
+ if (n >= 2) {
+ unsigned char c2 = s[1];
+ if (c2 >= 0x30 && c2 <= 0x39) {
+ if (n >= 3) {
+ unsigned char c3 = s[2];
+ if (c3 >= 0x81 && c3 <= 0xfe) {
+ if (n >= 4) {
+ unsigned char c4 = s[3];
+ if (c4 >= 0x30 && c4 <= 0x39) {
+ unsigned int i = (((c1 - 0x90) * 10 + (c2 - 0x30)) * 126 + (c3 - 0x81)) * 10 + (c4 - 0x30);
+ if (i >= 0 && i < 0x100000) {
+ *pwc = (ucs4_t) (0x10000 + i);
+ return 4;
+ }
+ }
+ return RET_ILSEQ;
+ }
+ return RET_TOOFEW(0);
+ }
+ return RET_ILSEQ;
+ }
+ return RET_TOOFEW(0);
+ }
+ return RET_ILSEQ;
+ }
+ return RET_TOOFEW(0);
+ }
+ return RET_ILSEQ;
+ }
+}
+
+static int
+gb18030_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
+{
+ int ret;
+
+ /* Code set 0 (ASCII) */
+ ret = ascii_wctomb(conv,r,wc,n);
+ if (ret != RET_ILUNI)
+ return ret;
+
+ /* Code set 1 (GBK extended) */
+ ret = gbk_wctomb(conv,r,wc,n);
+ if (ret != RET_ILUNI)
+ return ret;
+
+ ret = gb18030ext_wctomb(conv,r,wc,n);
+ if (ret != RET_ILUNI)
+ return ret;
+
+ /* Code set 2 (remainder of Unicode U+0000..U+FFFF) */
+ ret = gb18030uni_wctomb(conv,r,wc,n);
+ if (ret != RET_ILUNI)
+ return ret;
+
+ /* Code set 3 (Unicode U+10000..U+10FFFF) */
+ if (n >= 4) {
+ if (wc >= 0x10000 && wc < 0x110000) {
+ unsigned int i = wc - 0x10000;
+ r[3] = (i % 10) + 0x30; i = i / 10;
+ r[2] = (i % 126) + 0x81; i = i / 126;
+ r[1] = (i % 10) + 0x30; i = i / 10;
+ r[0] = i + 0x90;
+ return 4;
+ }
+ return RET_ILUNI;
+ }
+ return RET_TOOSMALL;
+}