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-rw-r--r--enc/utf8.c305
1 files changed, 0 insertions, 305 deletions
diff --git a/enc/utf8.c b/enc/utf8.c
deleted file mode 100644
index 5e2c172..0000000
--- a/enc/utf8.c
+++ /dev/null
@@ -1,305 +0,0 @@
-/**********************************************************************
- utf8.c - Oniguruma (regular expression library)
-**********************************************************************/
-/*-
- * 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
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include "regenc.h"
-
-#define USE_INVALID_CODE_SCHEME
-
-#ifdef USE_INVALID_CODE_SCHEME
-/* virtual codepoint values for invalid encoding byte 0xfe and 0xff */
-#define INVALID_CODE_FE 0xfffffffe
-#define INVALID_CODE_FF 0xffffffff
-#define VALID_CODE_LIMIT 0x7fffffff
-#endif
-
-#define utf8_islead(c) ((UChar )((c) & 0xc0) != 0x80)
-
-static const int EncLen_UTF8[] = {
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 1, 1
-};
-
-static int
-mbc_enc_len(const UChar* p)
-{
- return EncLen_UTF8[*p];
-}
-
-static int
-is_mbc_newline(const UChar* p, const UChar* end)
-{
- if (p < end) {
- if (*p == 0x0a) return 1;
-
-#ifdef USE_UNICODE_ALL_LINE_TERMINATORS
-#ifndef USE_CRNL_AS_LINE_TERMINATOR
- if (*p == 0x0d) return 1;
-#endif
- if (p + 1 < end) {
- if (*(p+1) == 0x85 && *p == 0xc2) /* U+0085 */
- return 1;
- if (p + 2 < end) {
- if ((*(p+2) == 0xa8 || *(p+2) == 0xa9)
- && *(p+1) == 0x80 && *p == 0xe2) /* U+2028, U+2029 */
- return 1;
- }
- }
-#endif
- }
-
- return 0;
-}
-
-static OnigCodePoint
-mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED)
-{
- int c, len;
- OnigCodePoint n;
-
- len = enclen(ONIG_ENCODING_UTF8, p);
- c = *p++;
- if (len > 1) {
- len--;
- n = c & ((1 << (6 - len)) - 1);
- while (len--) {
- c = *p++;
- n = (n << 6) | (c & ((1 << 6) - 1));
- }
- return n;
- }
- else {
-#ifdef USE_INVALID_CODE_SCHEME
- if (c > 0xfd) {
- return ((c == 0xfe) ? INVALID_CODE_FE : INVALID_CODE_FF);
- }
-#endif
- return (OnigCodePoint )c;
- }
-}
-
-static int
-code_to_mbclen(OnigCodePoint code)
-{
- if ((code & 0xffffff80) == 0) return 1;
- else if ((code & 0xfffff800) == 0) return 2;
- else if ((code & 0xffff0000) == 0) return 3;
- else if ((code & 0xffe00000) == 0) return 4;
- else if ((code & 0xfc000000) == 0) return 5;
- else if ((code & 0x80000000) == 0) return 6;
-#ifdef USE_INVALID_CODE_SCHEME
- else if (code == INVALID_CODE_FE) return 1;
- else if (code == INVALID_CODE_FF) return 1;
-#endif
- else
- return ONIGERR_INVALID_CODE_POINT_VALUE;
-}
-
-static int
-code_to_mbc(OnigCodePoint code, UChar *buf)
-{
-#define UTF8_TRAILS(code, shift) (UChar )((((code) >> (shift)) & 0x3f) | 0x80)
-#define UTF8_TRAIL0(code) (UChar )(((code) & 0x3f) | 0x80)
-
- if ((code & 0xffffff80) == 0) {
- *buf = (UChar )code;
- return 1;
- }
- else {
- UChar *p = buf;
-
- if ((code & 0xfffff800) == 0) {
- *p++ = (UChar )(((code>>6)& 0x1f) | 0xc0);
- }
- else if ((code & 0xffff0000) == 0) {
- *p++ = (UChar )(((code>>12) & 0x0f) | 0xe0);
- *p++ = UTF8_TRAILS(code, 6);
- }
- else if ((code & 0xffe00000) == 0) {
- *p++ = (UChar )(((code>>18) & 0x07) | 0xf0);
- *p++ = UTF8_TRAILS(code, 12);
- *p++ = UTF8_TRAILS(code, 6);
- }
- else if ((code & 0xfc000000) == 0) {
- *p++ = (UChar )(((code>>24) & 0x03) | 0xf8);
- *p++ = UTF8_TRAILS(code, 18);
- *p++ = UTF8_TRAILS(code, 12);
- *p++ = UTF8_TRAILS(code, 6);
- }
- else if ((code & 0x80000000) == 0) {
- *p++ = (UChar )(((code>>30) & 0x01) | 0xfc);
- *p++ = UTF8_TRAILS(code, 24);
- *p++ = UTF8_TRAILS(code, 18);
- *p++ = UTF8_TRAILS(code, 12);
- *p++ = UTF8_TRAILS(code, 6);
- }
-#ifdef USE_INVALID_CODE_SCHEME
- else if (code == INVALID_CODE_FE) {
- *p = 0xfe;
- return 1;
- }
- else if (code == INVALID_CODE_FF) {
- *p = 0xff;
- return 1;
- }
-#endif
- else {
- return ONIGERR_TOO_BIG_WIDE_CHAR_VALUE;
- }
-
- *p++ = UTF8_TRAIL0(code);
- return p - buf;
- }
-}
-
-static int
-mbc_case_fold(OnigCaseFoldType flag, const UChar** pp,
- const UChar* end, UChar* fold)
-{
- const UChar* p = *pp;
-
- if (ONIGENC_IS_MBC_ASCII(p)) {
-#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
- if ((flag & ONIGENC_CASE_FOLD_TURKISH_AZERI) != 0) {
- if (*p == 0x49) {
- *fold++ = 0xc4;
- *fold = 0xb1;
- (*pp)++;
- return 2;
- }
- }
-#endif
-
- *fold = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
- (*pp)++;
- return 1; /* return byte length of converted char to lower */
- }
- else {
- return onigenc_unicode_mbc_case_fold(ONIG_ENCODING_UTF8, flag,
- pp, end, fold);
- }
-}
-
-#if 0
-static int
-is_mbc_ambiguous(OnigCaseFoldType flag, const UChar** pp, const UChar* end)
-{
- const UChar* p = *pp;
-
- if (ONIGENC_IS_MBC_ASCII(p)) {
- (*pp)++;
- return ONIGENC_IS_ASCII_CODE_CASE_AMBIG(*p);
- }
- else {
- (*pp) += enclen(ONIG_ENCODING_UTF8, p);
-
- if (*p == 0xc3) {
- int c = *(p + 1);
- if (c >= 0x80) {
- if (c <= (UChar )0x9e) { /* upper */
- if (c == (UChar )0x97) return FALSE;
- return TRUE;
- }
- else if (c >= (UChar )0xa0 && c <= (UChar )0xbe) { /* lower */
- if (c == (UChar )'\267') return FALSE;
- return TRUE;
- }
- else if (c == (UChar )0x9f &&
- (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
- return TRUE;
- }
- }
- }
- }
-
- return FALSE;
-}
-#endif
-
-
-static int
-get_ctype_code_range(OnigCtype ctype, OnigCodePoint *sb_out,
- const OnigCodePoint* ranges[])
-{
- *sb_out = 0x80;
- return onigenc_unicode_ctype_code_range(ctype, ranges);
-}
-
-
-static UChar*
-left_adjust_char_head(const UChar* start, const UChar* s)
-{
- const UChar *p;
-
- if (s <= start) return (UChar* )s;
- p = s;
-
- while (!utf8_islead(*p) && p > start) p--;
- return (UChar* )p;
-}
-
-static int
-get_case_fold_codes_by_str(OnigCaseFoldType flag,
- const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[])
-{
- return onigenc_unicode_get_case_fold_codes_by_str(ONIG_ENCODING_UTF8,
- flag, p, end, items);
-}
-
-OnigEncodingType OnigEncodingUTF8 = {
- mbc_enc_len,
- "UTF-8", /* name */
- 6, /* max byte length */
- 1, /* min byte length */
- is_mbc_newline,
- mbc_to_code,
- code_to_mbclen,
- code_to_mbc,
- mbc_case_fold,
- onigenc_unicode_apply_all_case_fold,
- get_case_fold_codes_by_str,
- onigenc_unicode_property_name_to_ctype,
- onigenc_unicode_is_code_ctype,
- get_ctype_code_range,
- left_adjust_char_head,
- onigenc_always_true_is_allowed_reverse_match
-};
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