diff options
Diffstat (limited to 'regext.c')
| -rw-r--r-- | regext.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/regext.c b/regext.c deleted file mode 100644 index b1b957b..0000000 --- a/regext.c +++ /dev/null @@ -1,222 +0,0 @@ -/********************************************************************** - regext.c - Oniguruma (regular expression library) -**********************************************************************/ -/*- - * Copyright (c) 2002-2008 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 "regint.h" - -static void -conv_ext0be32(const UChar* s, const UChar* end, UChar* conv) -{ - while (s < end) { - *conv++ = '\0'; - *conv++ = '\0'; - *conv++ = '\0'; - *conv++ = *s++; - } -} - -static void -conv_ext0le32(const UChar* s, const UChar* end, UChar* conv) -{ - while (s < end) { - *conv++ = *s++; - *conv++ = '\0'; - *conv++ = '\0'; - *conv++ = '\0'; - } -} - -static void -conv_ext0be(const UChar* s, const UChar* end, UChar* conv) -{ - while (s < end) { - *conv++ = '\0'; - *conv++ = *s++; - } -} - -static void -conv_ext0le(const UChar* s, const UChar* end, UChar* conv) -{ - while (s < end) { - *conv++ = *s++; - *conv++ = '\0'; - } -} - -static void -conv_swap4bytes(const UChar* s, const UChar* end, UChar* conv) -{ - while (s < end) { - *conv++ = s[3]; - *conv++ = s[2]; - *conv++ = s[1]; - *conv++ = s[0]; - s += 4; - } -} - -static void -conv_swap2bytes(const UChar* s, const UChar* end, UChar* conv) -{ - while (s < end) { - *conv++ = s[1]; - *conv++ = s[0]; - s += 2; - } -} - -static int -conv_encoding(OnigEncoding from, OnigEncoding to, const UChar* s, const UChar* end, - UChar** conv, UChar** conv_end) -{ - int len = end - s; - - if (to == ONIG_ENCODING_UTF16_BE) { - if (from == ONIG_ENCODING_ASCII || from == ONIG_ENCODING_ISO_8859_1) { - *conv = (UChar* )xmalloc(len * 2); - CHECK_NULL_RETURN_MEMERR(*conv); - *conv_end = *conv + (len * 2); - conv_ext0be(s, end, *conv); - return 0; - } - else if (from == ONIG_ENCODING_UTF16_LE) { - swap16: - *conv = (UChar* )xmalloc(len); - CHECK_NULL_RETURN_MEMERR(*conv); - *conv_end = *conv + len; - conv_swap2bytes(s, end, *conv); - return 0; - } - } - else if (to == ONIG_ENCODING_UTF16_LE) { - if (from == ONIG_ENCODING_ASCII || from == ONIG_ENCODING_ISO_8859_1) { - *conv = (UChar* )xmalloc(len * 2); - CHECK_NULL_RETURN_MEMERR(*conv); - *conv_end = *conv + (len * 2); - conv_ext0le(s, end, *conv); - return 0; - } - else if (from == ONIG_ENCODING_UTF16_BE) { - goto swap16; - } - } - if (to == ONIG_ENCODING_UTF32_BE) { - if (from == ONIG_ENCODING_ASCII || from == ONIG_ENCODING_ISO_8859_1) { - *conv = (UChar* )xmalloc(len * 4); - CHECK_NULL_RETURN_MEMERR(*conv); - *conv_end = *conv + (len * 4); - conv_ext0be32(s, end, *conv); - return 0; - } - else if (from == ONIG_ENCODING_UTF32_LE) { - swap32: - *conv = (UChar* )xmalloc(len); - CHECK_NULL_RETURN_MEMERR(*conv); - *conv_end = *conv + len; - conv_swap4bytes(s, end, *conv); - return 0; - } - } - else if (to == ONIG_ENCODING_UTF32_LE) { - if (from == ONIG_ENCODING_ASCII || from == ONIG_ENCODING_ISO_8859_1) { - *conv = (UChar* )xmalloc(len * 4); - CHECK_NULL_RETURN_MEMERR(*conv); - *conv_end = *conv + (len * 4); - conv_ext0le32(s, end, *conv); - return 0; - } - else if (from == ONIG_ENCODING_UTF32_BE) { - goto swap32; - } - } - - return ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION; -} - -extern int -onig_new_deluxe(regex_t** reg, const UChar* pattern, const UChar* pattern_end, - OnigCompileInfo* ci, OnigErrorInfo* einfo) -{ - int r; - UChar *cpat, *cpat_end; - - if (IS_NOT_NULL(einfo)) einfo->par = (UChar* )NULL; - - if (ci->pattern_enc != ci->target_enc) { - r = conv_encoding(ci->pattern_enc, ci->target_enc, pattern, pattern_end, - &cpat, &cpat_end); - if (r) return r; - } - else { - cpat = (UChar* )pattern; - cpat_end = (UChar* )pattern_end; - } - - *reg = (regex_t* )xmalloc(sizeof(regex_t)); - if (IS_NULL(*reg)) { - r = ONIGERR_MEMORY; - goto err2; - } - - r = onig_reg_init(*reg, ci->option, ci->case_fold_flag, ci->target_enc, - ci->syntax); - if (r) goto err; - - r = onig_compile(*reg, cpat, cpat_end, einfo); - if (r) { - err: - onig_free(*reg); - *reg = NULL; - } - - err2: - if (cpat != pattern) xfree(cpat); - - return r; -} - -#ifdef USE_RECOMPILE_API -extern int -onig_recompile_deluxe(regex_t* reg, const UChar* pattern, const UChar* pattern_end, - OnigCompileInfo* ci, OnigErrorInfo* einfo) -{ - int r; - regex_t *new_reg; - - r = onig_new_deluxe(&new_reg, pattern, pattern_end, ci, einfo); - if (r) return r; - if (ONIG_STATE(reg) == ONIG_STATE_NORMAL) { - onig_transfer(reg, new_reg); - } - else { - onig_chain_link_add(reg, new_reg); - } - return 0; -} -#endif |