diff options
Diffstat (limited to 'src/gb18030.c')
| -rw-r--r-- | src/gb18030.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/src/gb18030.c b/src/gb18030.c index 1385a7f..7409d3e 100644 --- a/src/gb18030.c +++ b/src/gb18030.c @@ -89,15 +89,25 @@ gb18030_mbc_enc_len(const UChar* p) static int gb18030_code_to_mbclen(OnigCodePoint code) { - if ((code & 0xff000000) != 0) return 4; - else if ((code & 0xff0000) != 0) return ONIGERR_INVALID_CODE_POINT_VALUE; - else if ((code & 0xff00) != 0) return 2; + if ((code & 0xff000000) != 0) { + if (GB18030_MAP[(int )(code >> 24) & 0xff] == CM) + if (GB18030_MAP[(int )(code >> 16) & 0xff] == C4) + return 4; + } + else if ((code & 0xff0000) != 0) return ONIGERR_INVALID_CODE_POINT_VALUE; + else if ((code & 0xff00) != 0) { + if (GB18030_MAP[(int )(code >> 8) & 0xff] == CM) { + char c = GB18030_MAP[(int )code & 0xff]; + if (c == CM || c == C2) + return 2; + } + } else { - if (GB18030_MAP[(int )(code & 0xff)] == CM) - return ONIGERR_INVALID_CODE_POINT_VALUE; - - return 1; + if (GB18030_MAP[(int )(code & 0xff)] != CM) + return 1; } + + return ONIGERR_INVALID_CODE_POINT_VALUE; } static int |