summaryrefslogtreecommitdiff
path: root/sjis.c
diff options
context:
space:
mode:
Diffstat (limited to 'sjis.c')
-rw-r--r--sjis.c176
1 files changed, 128 insertions, 48 deletions
diff --git a/sjis.c b/sjis.c
index f7d7d52..f6b78eb 100644
--- a/sjis.c
+++ b/sjis.c
@@ -2,7 +2,7 @@
sjis.c - Oniguruma (regular expression library)
**********************************************************************/
/*-
- * Copyright (c) 2002-2005 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
+ * Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -27,7 +27,7 @@
* SUCH DAMAGE.
*/
-#include "regenc.h"
+#include "regint.h"
static const int EncLen_SJIS[] = {
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
@@ -71,13 +71,13 @@ static const char SJIS_CAN_BE_TRAIL_TABLE[256] = {
#define SJIS_ISMB_TRAIL(byte) SJIS_CAN_BE_TRAIL_TABLE[(byte)]
static int
-sjis_mbc_enc_len(const UChar* p)
+mbc_enc_len(const UChar* p)
{
return EncLen_SJIS[*p];
}
static int
-sjis_code_to_mbclen(OnigCodePoint code)
+code_to_mbclen(OnigCodePoint code)
{
if (code < 256) {
if (EncLen_SJIS[(int )code] == 1)
@@ -93,7 +93,7 @@ sjis_code_to_mbclen(OnigCodePoint code)
}
static OnigCodePoint
-sjis_mbc_to_code(const UChar* p, const UChar* end)
+mbc_to_code(const UChar* p, const UChar* end)
{
int c, i, len;
OnigCodePoint n;
@@ -112,7 +112,7 @@ sjis_mbc_to_code(const UChar* p, const UChar* end)
}
static int
-sjis_code_to_mbc(OnigCodePoint code, UChar *buf)
+code_to_mbc(OnigCodePoint code, UChar *buf)
{
UChar *p = buf;
@@ -127,60 +127,56 @@ sjis_code_to_mbc(OnigCodePoint code, UChar *buf)
}
static int
-sjis_mbc_to_normalize(OnigAmbigType flag,
- const UChar** pp, const UChar* end, UChar* lower)
+mbc_case_fold(OnigCaseFoldType flag,
+ const UChar** pp, const UChar* end, UChar* lower)
{
const UChar* p = *pp;
if (ONIGENC_IS_MBC_ASCII(p)) {
- if ((flag & ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) != 0) {
- *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
- }
- else {
- *lower = *p;
- }
-
+ *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
(*pp)++;
return 1;
}
else {
+ int i;
int len = enc_len(ONIG_ENCODING_SJIS, p);
- if (lower != p) {
- int i;
- for (i = 0; i < len; i++) {
- *lower++ = *p++;
- }
+ for (i = 0; i < len; i++) {
+ *lower++ = *p++;
}
(*pp) += len;
return len; /* return byte length of converted char to lower */
}
}
+#if 0
static int
-sjis_is_mbc_ambiguous(OnigAmbigType flag, const UChar** pp, const UChar* end)
+is_mbc_ambiguous(OnigCaseFoldType flag,
+ const UChar** pp, const UChar* end)
{
return onigenc_mbn_is_mbc_ambiguous(ONIG_ENCODING_SJIS, flag, pp, end);
}
+#endif
+#if 0
static int
-sjis_is_code_ctype(OnigCodePoint code, unsigned int ctype)
+is_code_ctype(OnigCodePoint code, unsigned int ctype)
{
if (code < 128)
return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
else {
- if ((ctype & (ONIGENC_CTYPE_WORD |
- ONIGENC_CTYPE_GRAPH | ONIGENC_CTYPE_PRINT)) != 0) {
- return (sjis_code_to_mbclen(code) > 1 ? TRUE : FALSE);
+ if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) {
+ return (code_to_mbclen(code) > 1 ? TRUE : FALSE);
}
}
return FALSE;
}
+#endif
static UChar*
-sjis_left_adjust_char_head(const UChar* start, const UChar* s)
+left_adjust_char_head(const UChar* start, const UChar* s)
{
const UChar *p;
int len;
@@ -203,36 +199,120 @@ sjis_left_adjust_char_head(const UChar* start, const UChar* s)
}
static int
-sjis_is_allowed_reverse_match(const UChar* s, const UChar* end)
+is_allowed_reverse_match(const UChar* s, const UChar* end)
{
const UChar c = *s;
return (SJIS_ISMB_TRAIL(c) ? FALSE : TRUE);
}
+
+static int PropertyInited = 0;
+static const OnigCodePoint** PropertyList;
+static int PropertyListNum;
+static int PropertyListSize;
+static hash_table_type* PropertyNameTable;
+
+static const OnigCodePoint CR_Hiragana[] = {
+ 1,
+ 0x829f, 0x82f1
+}; /* CR_Hiragana */
+
+static const OnigCodePoint CR_Katakana[] = {
+ 4,
+ 0x00a6, 0x00af,
+ 0x00b1, 0x00dd,
+ 0x8340, 0x837e,
+ 0x8380, 0x8396,
+}; /* CR_Katakana */
+
+static int
+init_property_list(void)
+{
+ int r;
+
+ PROPERTY_LIST_ADD_PROP("Hiragana", CR_Hiragana);
+ PROPERTY_LIST_ADD_PROP("Katakana", CR_Katakana);
+ PropertyInited = 1;
+
+ end:
+ return r;
+}
+
+static int
+property_name_to_ctype(OnigEncoding enc, UChar* p, UChar* end)
+{
+ int ctype;
+
+ PROPERTY_LIST_INIT_CHECK;
+
+ if (onig_st_lookup_strend(PropertyNameTable, p, end, (void*)&ctype) == 0) {
+ return onigenc_minimum_property_name_to_ctype(enc, p, end);
+ }
+
+ return ctype;
+}
+
+static int
+is_code_ctype(OnigCodePoint code, unsigned int ctype)
+{
+ if (ctype <= ONIGENC_MAX_STD_CTYPE) {
+ if (code < 128)
+ return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
+ else {
+ if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) {
+ return (code_to_mbclen(code) > 1 ? TRUE : FALSE);
+ }
+ }
+ }
+ else {
+ PROPERTY_LIST_INIT_CHECK;
+
+ ctype -= (ONIGENC_MAX_STD_CTYPE + 1);
+ if (ctype >= (unsigned int )PropertyListNum)
+ return ONIGENCERR_TYPE_BUG;
+
+ return onig_is_in_code_range((UChar* )PropertyList[ctype], code);
+ }
+
+ return FALSE;
+}
+
+static int
+get_ctype_code_range(int ctype, OnigCodePoint* sb_out,
+ const OnigCodePoint* ranges[])
+{
+ if (ctype <= ONIGENC_MAX_STD_CTYPE) {
+ return ONIG_NO_SUPPORT_CONFIG;
+ }
+ else {
+ *sb_out = 0x80;
+
+ PROPERTY_LIST_INIT_CHECK;
+
+ ctype -= (ONIGENC_MAX_STD_CTYPE + 1);
+ if (ctype >= PropertyListNum)
+ return ONIGENCERR_TYPE_BUG;
+
+ *ranges = PropertyList[ctype];
+ return 0;
+ }
+}
+
OnigEncodingType OnigEncodingSJIS = {
- sjis_mbc_enc_len,
+ mbc_enc_len,
"Shift_JIS", /* name */
2, /* max byte length */
1, /* min byte length */
- ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE,
- {
- (OnigCodePoint )'\\' /* esc */
- , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
- , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
- , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
- , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
- , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
- },
onigenc_is_mbc_newline_0x0a,
- sjis_mbc_to_code,
- sjis_code_to_mbclen,
- sjis_code_to_mbc,
- sjis_mbc_to_normalize,
- sjis_is_mbc_ambiguous,
- onigenc_ascii_get_all_pair_ambig_codes,
- onigenc_nothing_get_all_comp_ambig_codes,
- sjis_is_code_ctype,
- onigenc_not_support_get_ctype_code_range,
- sjis_left_adjust_char_head,
- sjis_is_allowed_reverse_match
+ mbc_to_code,
+ code_to_mbclen,
+ code_to_mbc,
+ mbc_case_fold,
+ onigenc_ascii_apply_all_case_fold,
+ onigenc_ascii_get_case_fold_codes_by_str,
+ property_name_to_ctype,
+ is_code_ctype,
+ get_ctype_code_range,
+ left_adjust_char_head,
+ is_allowed_reverse_match
};