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fbfced515f
* lib/regex-quote.h: Include <stdbool.h>. (struct regex_quote_spec): New type. (regex_quote_spec_posix, regex_quote_spec_gnu, regex_quote_spec_pcre): New declarations. (regex_quote_length, regex_quote_copy, regex_quote): Take a 'const struct regex_quote_spec *' argument. * lib/regex-quote.c (RE_*, PCRE_*): New macros. (pcre_special): New constant. (regex_quote_spec_posix, regex_quote_spec_gnu, regex_quote_spec_pcre): New functions. (regex_quote_length, regex_quote_copy, regex_quote): Take a 'const struct regex_quote_spec *' argument. * modules/regex-quote (Depends-on): Add stdbool. * tests/test-regex-quote.c (check): Update for new API. Add test for anchored results. * NEWS: Mention the API change. Reported by Reuben Thomas and Eric Blake.
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/* Test of constructing a regular expression from a literal string.
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Copyright (C) 2010-2011 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
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#include <config.h>
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#include "regex-quote.h"
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#include <string.h>
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#include "regex.h"
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#include "xalloc.h"
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#include "macros.h"
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static void
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check (const char *literal, int cflags, const char *expected)
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{
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struct regex_quote_spec spec;
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char *result;
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size_t length;
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spec = regex_quote_spec_posix (cflags, false);
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result = regex_quote (literal, &spec);
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ASSERT (strcmp (result, expected) == 0);
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length = regex_quote_length (literal, &spec);
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ASSERT (length == strlen (result));
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free (result);
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result = (char *) xmalloc (1 + length + 1 + 1);
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result[0] = '^';
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strcpy (regex_quote_copy (result + 1, literal, &spec), "$");
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{
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regex_t regex;
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regmatch_t match[1];
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ASSERT (regcomp (®ex, result, cflags) == 0);
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ASSERT (regexec (®ex, literal, 1, match, 0) == 0);
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ASSERT (match[0].rm_so == 0);
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ASSERT (match[0].rm_eo == strlen (literal));
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regfree (®ex);
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}
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free (result);
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spec = regex_quote_spec_posix (cflags, true);
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result = regex_quote (literal, &spec);
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length = regex_quote_length (literal, &spec);
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ASSERT (length == strlen (result));
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{
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regex_t regex;
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regmatch_t match[1];
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ASSERT (regcomp (®ex, result, cflags) == 0);
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ASSERT (regexec (®ex, literal, 1, match, 0) == 0);
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ASSERT (match[0].rm_so == 0);
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ASSERT (match[0].rm_eo == strlen (literal));
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regfree (®ex);
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}
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free (result);
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}
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static void
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test_bre (void)
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{
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check ("aBc", 0, "aBc");
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check ("(foo[$HOME])", 0, "(foo\\[\\$HOME\\])");
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}
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static void
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test_ere (void)
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{
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check ("aBc", REG_EXTENDED, "aBc");
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check ("(foo[$HOME])", REG_EXTENDED, "\\(foo\\[\\$HOME\\]\\)");
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}
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int
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main ()
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{
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test_bre ();
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test_ere ();
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return 0;
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}
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