diff options
Diffstat (limited to 'enc/euc_jp.c')
| -rw-r--r-- | enc/euc_jp.c | 77 |
1 files changed, 76 insertions, 1 deletions
diff --git a/enc/euc_jp.c b/enc/euc_jp.c index f48c904945..ea2a8e0726 100644 --- a/enc/euc_jp.c +++ b/enc/euc_jp.c @@ -50,10 +50,85 @@ static const int EncLen_EUCJP[] = { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 }; +typedef enum { FAILURE = -2, ACCEPT = -1, S0 = 0, S1, S2 } state_t; +#define A ACCEPT +#define F FAILURE +static const signed char trans[][0x100] = { + { /* S0 0 1 2 3 4 5 6 7 8 9 a b c d e f */ + /* 0 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, + /* 1 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, + /* 2 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, + /* 3 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, + /* 4 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, + /* 5 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, + /* 6 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, + /* 7 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, + /* 8 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, 1, 2, + /* 9 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* a */ F, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /* b */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /* c */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /* d */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /* e */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /* f */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, F + }, + { /* S1 0 1 2 3 4 5 6 7 8 9 a b c d e f */ + /* 0 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 1 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 2 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 3 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 4 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 5 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 6 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 7 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 8 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 9 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* a */ F, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, + /* b */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, + /* c */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, + /* d */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, + /* e */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, + /* f */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, F + }, + { /* S2 0 1 2 3 4 5 6 7 8 9 a b c d e f */ + /* 0 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 1 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 2 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 3 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 4 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 5 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 6 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 7 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 8 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* 9 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, + /* a */ F, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /* b */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /* c */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /* d */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /* e */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /* f */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, F + }, + +}; +#undef A +#undef F + static int mbc_enc_len(const UChar* p, const UChar* e, OnigEncoding enc) { - return EncLen_EUCJP[*p]; + int firstbyte = *p++; + state_t s; + s = trans[0][firstbyte]; + if (s < 0) return s == ACCEPT ? ONIGENC_CONSTRUCT_MBCLEN_CHARFOUND(1) : + ONIGENC_CONSTRUCT_MBCLEN_INVALID(); + if (p == e) return ONIGENC_CONSTRUCT_MBCLEN_NEEDMORE(EncLen_EUCJP[firstbyte]-1); + s = trans[s][*p++]; + if (s < 0) return s == ACCEPT ? ONIGENC_CONSTRUCT_MBCLEN_CHARFOUND(2) : + ONIGENC_CONSTRUCT_MBCLEN_INVALID(); + if (p == e) return ONIGENC_CONSTRUCT_MBCLEN_NEEDMORE(EncLen_EUCJP[firstbyte]-2); + s = trans[s][*p++]; + return s == ACCEPT ? ONIGENC_CONSTRUCT_MBCLEN_CHARFOUND(3) : + ONIGENC_CONSTRUCT_MBCLEN_INVALID(); } static OnigCodePoint |