mirror of https://github.com/irssi/irssi.git
100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
#include <irssi/src/core/iregex.h>
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Regex *
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i_regex_new (const gchar *pattern,
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GRegexCompileFlags compile_options,
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GRegexMatchFlags match_options,
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GError **error)
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{
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Regex *regex;
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char *errbuf;
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int cflags;
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int errcode, errbuf_len;
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regex = g_new0(Regex, 1);
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cflags = REG_EXTENDED;
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if (compile_options & G_REGEX_CASELESS)
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cflags |= REG_ICASE;
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if (compile_options & G_REGEX_MULTILINE)
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cflags |= REG_NEWLINE;
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if (match_options & G_REGEX_MATCH_NOTBOL)
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cflags |= REG_NOTBOL;
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if (match_options & G_REGEX_MATCH_NOTEOL)
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cflags |= REG_NOTEOL;
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errcode = regcomp(regex, pattern, cflags);
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if (errcode != 0) {
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errbuf_len = regerror(errcode, regex, 0, 0);
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errbuf = g_malloc(errbuf_len);
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regerror(errcode, regex, errbuf, errbuf_len);
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g_set_error(error, G_REGEX_ERROR, errcode, "%s", errbuf);
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g_free(errbuf);
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g_free(regex);
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return NULL;
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} else {
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return regex;
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}
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}
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void
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i_regex_unref (Regex *regex)
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{
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regfree(regex);
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g_free(regex);
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}
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gboolean
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i_regex_match (const Regex *regex,
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const gchar *string,
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GRegexMatchFlags match_options,
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MatchInfo **match_info)
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{
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int groups;
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int eflags;
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g_return_val_if_fail(regex != NULL, FALSE);
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if (match_info != NULL) {
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groups = 1 + regex->re_nsub;
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*match_info = g_new0(MatchInfo, groups);
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} else {
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groups = 0;
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}
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eflags = 0;
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if (match_options & G_REGEX_MATCH_NOTBOL)
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eflags |= REG_NOTBOL;
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if (match_options & G_REGEX_MATCH_NOTEOL)
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eflags |= REG_NOTEOL;
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return regexec(regex, string, groups, groups ? *match_info : NULL, eflags) == 0;
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}
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gboolean
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i_match_info_fetch_pos (const MatchInfo *match_info,
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gint match_num,
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gint *start_pos,
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gint *end_pos)
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{
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if (start_pos != NULL)
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*start_pos = match_info[match_num].rm_so;
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if (end_pos != NULL)
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*end_pos = match_info[match_num].rm_eo;
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return TRUE;
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}
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gboolean
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i_match_info_matches (const MatchInfo *match_info)
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{
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g_return_val_if_fail(match_info != NULL, FALSE);
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return match_info[0].rm_so != -1;
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}
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void
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i_match_info_free (MatchInfo *match_info)
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{
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g_free(match_info);
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}
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