| /* |
| * 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. |
| */ |
| |
| #include "gb18030ext.h" |
| #include "gb18030uni.h" |
| |
| static int |
| gb18030_mbtowc (conv_t conv, wchar_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) */ |
| return gb18030uni_mbtowc(conv,pwc,s,n); |
| } |
| |
| static int |
| gb18030_wctomb (conv_t conv, unsigned char *r, wchar_t wc, int n) |
| { |
| int ret; |
| |
| /* Code set 0 (ASCII) */ |
| ret = ascii_wctomb(conv,r,wc,n); |
| if (ret != RET_ILSEQ) |
| return ret; |
| |
| /* Code set 1 (GBK extended) */ |
| ret = gbk_wctomb(conv,r,wc,n); |
| if (ret != RET_ILSEQ) |
| return ret; |
| |
| ret = gb18030ext_wctomb(conv,r,wc,n); |
| if (ret != RET_ILSEQ) |
| return ret; |
| |
| /* Code set 2 (remainder of Unicode) */ |
| return gb18030uni_wctomb(conv,r,wc,n); |
| } |