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cp936ext.h
Package: libiconv-1.1.tar.gz [view]
Upload User: yingmei828
Upload Date: 2007-01-01
Package Size: 1646k
Code Size: 3k
Category:
SourceCode/Document
Development Platform:
Unix_Linux
- /*
- * CP936 extensions
- */
- static const unsigned short cp936ext_2uni_pagea6[181-159] = {
- /* 0xa6 */
- 0xfe35,
- 0xfe36, 0xfe39, 0xfe3a, 0xfe3f, 0xfe40, 0xfe3d, 0xfe3e, 0xfe41,
- 0xfe42, 0xfe43, 0xfe44, 0xfffd, 0xfffd, 0xfe3b, 0xfe3c, 0xfe37,
- 0xfe38, 0xfe31, 0xfffd, 0xfe33, 0xfe34,
- };
- static const unsigned short cp936ext_2uni_pagea8[128-122] = {
- /* 0xa8 */
- 0x0251, 0xfffd, 0x0144, 0x0148, 0xfffd, 0x0261,
- };
- static int
- cp936ext_mbtowc (conv_t conv, wchar_t *pwc, const unsigned char *s, int n)
- {
- unsigned char c1 = s[0];
- if ((c1 == 0xa6) || (c1 == 0xa8)) {
- if (n >= 2) {
- unsigned char c2 = s[1];
- if ((c2 >= 0x40 && c2 < 0x7f) || (c2 >= 0x80 && c2 < 0xff)) {
- unsigned int i = 190 * (c1 - 0x81) + (c2 - (c2 >= 0x80 ? 0x41 : 0x40));
- unsigned short wc = 0xfffd;
- if (i < 7410) {
- if (i >= 7189 && i < 7211)
- wc = cp936ext_2uni_pagea6[i-7189];
- } else {
- if (i >= 7532 && i < 7538)
- wc = cp936ext_2uni_pagea8[i-7532];
- }
- if (wc != 0xfffd) {
- *pwc = (wchar_t) wc;
- return 2;
- }
- }
- return RET_ILSEQ;
- }
- return RET_TOOFEW(0);
- }
- return RET_ILSEQ;
- }
- static const unsigned short cp936ext_page01[16] = {
- 0x0000, 0x0000, 0x0000, 0x0000, 0xa8bd, 0x0000, 0x0000, 0x0000, /*0x40-0x47*/
- 0xa8be, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x48-0x4f*/
- };
- static const unsigned short cp936ext_page02[24] = {
- 0x0000, 0xa8bb, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x50-0x57*/
- 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x58-0x5f*/
- 0x0000, 0xa8c0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x60-0x67*/
- };
- static const unsigned short cp936ext_pagefe[24] = {
- 0x0000, 0xa6f2, 0x0000, 0xa6f4, 0xa6f5, 0xa6e0, 0xa6e1, 0xa6f0, /*0x30-0x37*/
- 0xa6f1, 0xa6e2, 0xa6e3, 0xa6ee, 0xa6ef, 0xa6e6, 0xa6e7, 0xa6e4, /*0x38-0x3f*/
- 0xa6e5, 0xa6e8, 0xa6e9, 0xa6ea, 0xa6eb, 0x0000, 0x0000, 0x0000, /*0x40-0x47*/
- };
- static int
- cp936ext_wctomb (conv_t conv, unsigned char *r, wchar_t wc, int n)
- {
- if (n >= 2) {
- unsigned short c = 0;
- if (wc >= 0x0140 && wc < 0x0150)
- c = cp936ext_page01[wc-0x0140];
- else if (wc >= 0x0250 && wc < 0x0268)
- c = cp936ext_page02[wc-0x0250];
- else if (wc >= 0xfe30 && wc < 0xfe48)
- c = cp936ext_pagefe[wc-0xfe30];
- if (c != 0) {
- r[0] = (c >> 8); r[1] = (c & 0xff);
- return 2;
- }
- return RET_ILSEQ;
- }
- return RET_TOOSMALL;
- }