1/* $FreeBSD$ */
2
3/*-
4 * Copyright (C) 2011 Gabor Kovesdan <gabor@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include "glue.h"
30
31#include <errno.h>
32#include <fastmatch.h>
33#include <regex.h>
34#include <string.h>
35
36#include "tre-fastmatch.h"
37#include "xmalloc.h"
38
39int
40tre_fixncomp(fastmatch_t *preg, const char *regex, size_t n, int cflags)
41{
42  int ret;
43  tre_char_t *wregex;
44  size_t wlen;
45
46  if (n != 0)
47    {
48      ret = tre_convert_pattern(regex, n, &wregex, &wlen);
49      if (ret != REG_OK)
50	return ret;
51      else
52	ret = tre_compile_literal(preg, wregex, wlen, cflags);
53      tre_free_pattern(wregex);
54      return ret;
55    }
56  else
57    return tre_compile_literal(preg, NULL, 0, cflags);
58}
59
60int
61tre_fastncomp(fastmatch_t *preg, const char *regex, size_t n, int cflags)
62{
63  int ret;
64  tre_char_t *wregex;
65  size_t wlen;
66
67  if (n != 0)
68    {
69      ret = tre_convert_pattern(regex, n, &wregex, &wlen);
70      if (ret != REG_OK)
71	return ret;
72      else
73	ret = (cflags & REG_LITERAL)
74	      ? tre_compile_literal(preg, wregex, wlen, cflags)
75	      : tre_compile_fast(preg, wregex, wlen, cflags);
76      tre_free_pattern(wregex);
77      return ret;
78    }
79  else
80    return tre_compile_literal(preg, NULL, 0, cflags);
81}
82
83
84int
85tre_fixcomp(fastmatch_t *preg, const char *regex, int cflags)
86{
87  return tre_fixncomp(preg, regex, regex ? strlen(regex) : 0, cflags);
88}
89
90int
91tre_fastcomp(fastmatch_t *preg, const char *regex, int cflags)
92{
93  return tre_fastncomp(preg, regex, regex ? strlen(regex) : 0, cflags);
94}
95
96int
97tre_fixwncomp(fastmatch_t *preg, const wchar_t *regex, size_t n, int cflags)
98{
99  return tre_compile_literal(preg, regex, n, cflags);
100}
101
102int
103tre_fastwncomp(fastmatch_t *preg, const wchar_t *regex, size_t n, int cflags)
104{
105  return (cflags & REG_LITERAL) ?
106    tre_compile_literal(preg, regex, n, cflags) :
107    tre_compile_fast(preg, regex, n, cflags);
108}
109
110int
111tre_fixwcomp(fastmatch_t *preg, const wchar_t *regex, int cflags)
112{
113  return tre_fixwncomp(preg, regex, regex ? tre_strlen(regex) : 0, cflags);
114}
115
116int
117tre_fastwcomp(fastmatch_t *preg, const wchar_t *regex, int cflags)
118{
119  return tre_fastwncomp(preg, regex, regex ? tre_strlen(regex) : 0, cflags);
120}
121
122void
123tre_fastfree(fastmatch_t *preg)
124{
125  tre_free_fast(preg);
126}
127
128int
129tre_fastnexec(const fastmatch_t *preg, const char *string, size_t len,
130         size_t nmatch, regmatch_t pmatch[], int eflags)
131{
132  tre_str_type_t type = (TRE_MB_CUR_MAX == 1) ? STR_BYTE : STR_MBS;
133
134  if (eflags & REG_STARTEND)
135    CALL_WITH_OFFSET(tre_match_fast(preg, &string[offset], slen,
136		     type, nmatch, pmatch, eflags));
137  else
138    return tre_match_fast(preg, string, len, type, nmatch,
139      pmatch, eflags);
140}
141
142int
143tre_fastexec(const fastmatch_t *preg, const char *string, size_t nmatch,
144	     regmatch_t pmatch[], int eflags)
145{
146  return tre_fastnexec(preg, string, (size_t)-1, nmatch, pmatch, eflags);
147}
148
149int
150tre_fastwnexec(const fastmatch_t *preg, const wchar_t *string, size_t len,
151          size_t nmatch, regmatch_t pmatch[], int eflags)
152{
153  tre_str_type_t type = STR_WIDE;
154
155  if (eflags & REG_STARTEND)
156    CALL_WITH_OFFSET(tre_match_fast(preg, &string[offset], slen,
157		     type, nmatch, pmatch, eflags));
158  else
159    return tre_match_fast(preg, string, len, type, nmatch,
160      pmatch, eflags);
161}
162
163int
164tre_fastwexec(const fastmatch_t *preg, const wchar_t *string,
165         size_t nmatch, regmatch_t pmatch[], int eflags)
166{
167  return tre_fastwnexec(preg, string, (size_t)-1, nmatch, pmatch, eflags);
168}
169
170