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switch for gregex and regex.h

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This commit is contained in:
Ailin Nemui 2017-01-03 12:04:56 +01:00
parent 5dcf291f21
commit f5cbbebc2e
8 changed files with 133 additions and 2 deletions
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16
configure.ac
View File

@ -144,6 +144,15 @@ AC_ARG_ENABLE(true-color,
fi,
want_truecolor=no)
AC_ARG_ENABLE(gregex,
[ --disable-gregex Build without GRegex (fall back to regex.h)],
if test x$enableval = xno ; then
want_gregex=no
else
want_gregex=yes
fi,
want_gregex=yes)
dnl **
dnl ** just some generic stuff...
dnl **
@ -534,6 +543,12 @@ else
want_truecolor=no
fi
if test "x$want_gregex" = "xyes"; then
AC_DEFINE([USE_GREGEX], [], [use GRegex for regular expressions])
else
want_gregex=no
fi
AH_TEMPLATE(HAVE_GMODULE)
AH_TEMPLATE(HAVE_SOCKS_H, [misc..])
AH_TEMPLATE(HAVE_STATIC_PERL)
@ -648,6 +663,7 @@ echo
echo "Building with 64bit DCC support .. : $offt_64bit"
echo "Building with true color support.. : $want_truecolor"
echo "Building with GRegex ............. : $want_gregex"
echo
echo "If there are any problems, read the INSTALL file."

31
src/core/ignore.c
View File

@ -67,8 +67,13 @@ static int ignore_match_pattern(IGNORE_REC *rec, const char *text)
return FALSE;
if (rec->regexp) {
#ifdef USE_GREGEX
return rec->preg != NULL &&
g_regex_match(rec->preg, text, 0, NULL);
#else
return rec->regexp_compiled &&
regexec(&rec->preg, text, 0, NULL, 0) == 0;
#endif
}
return rec->fullword ?
@ -322,6 +327,7 @@ static void ignore_remove_config(IGNORE_REC *rec)
static void ignore_init_rec(IGNORE_REC *rec)
{
#ifdef USE_GREGEX
if (rec->preg != NULL)
g_regex_unref(rec->preg);
@ -335,6 +341,27 @@ static void ignore_init_rec(IGNORE_REC *rec)
g_error_free(re_error);
}
}
#else
char *errbuf;
int errcode, errbuf_len;
if (rec->regexp_compiled) regfree(&rec->preg);
rec->regexp_compiled = FALSE;
if (rec->regexp && rec->pattern != NULL) {
errcode = regcomp(&rec->preg, rec->pattern,
REG_EXTENDED|REG_ICASE|REG_NOSUB);
if (errcode != 0) {
errbuf_len = regerror(errcode, &rec->preg, 0, 0);
errbuf = g_malloc(errbuf_len);
regerror(errcode, &rec->preg, errbuf, errbuf_len);
g_warning("Failed to compile regexp '%s': %s", rec->pattern, errbuf);
g_free(errbuf);
} else {
rec->regexp_compiled = TRUE;
}
}
#endif
}
void ignore_add_rec(IGNORE_REC *rec)
@ -354,7 +381,11 @@ static void ignore_destroy(IGNORE_REC *rec, int send_signal)
if (send_signal)
signal_emit("ignore destroyed", 1, rec);
#ifdef USE_GREGEX
if (rec->preg != NULL) g_regex_unref(rec->preg);
#else
if (rec->regexp_compiled) regfree(&rec->preg);
#endif
if (rec->channels != NULL) g_strfreev(rec->channels);
g_free_not_null(rec->mask);
g_free_not_null(rec->servertag);

9
src/core/ignore.h
View File

@ -1,6 +1,10 @@
#ifndef __IGNORE_H
#define __IGNORE_H
#ifndef USE_GREGEX
# include <regex.h>
#endif
typedef struct _IGNORE_REC IGNORE_REC;
struct _IGNORE_REC {
@ -16,7 +20,12 @@ struct _IGNORE_REC {
unsigned int regexp:1;
unsigned int fullword:1;
unsigned int replies:1; /* ignore replies to nick in channel */
#ifdef USE_GREGEX
GRegex *preg;
#else
unsigned int regexp_compiled:1; /* should always be TRUE, unless regexp is invalid */
regex_t preg;
#endif
};
extern GSList *ignores;

4
src/core/misc.c
View File

@ -22,6 +22,10 @@
#include "misc.h"
#include "commands.h"
#ifndef USE_GREGEX
# include <regex.h>
#endif
typedef struct {
int condition;
GInputFunction function;

5
src/fe-common/core/fe-ignore.c
View File

@ -58,8 +58,13 @@ static void ignore_print(int index, IGNORE_REC *rec)
g_string_append(options, "-regexp ");
if (rec->pattern == NULL)
g_string_append(options, "[INVALID! -pattern missing] ");
#ifdef USE_GREGEX
else if (rec->preg == NULL)
g_string_append(options, "[INVALID!] ");
#else
else if (!rec->regexp_compiled)
g_string_append(options, "[INVALID!] ");
#endif
}
if (rec->fullword) g_string_append(options, "-full ");
if (rec->replies) g_string_append(options, "-replies ");

32
src/fe-common/core/hilight-text.c
View File

@ -101,7 +101,11 @@ static void hilight_destroy(HILIGHT_REC *rec)
{
g_return_if_fail(rec != NULL);
#ifdef USE_GREGEX
if (rec->preg != NULL) g_regex_unref(rec->preg);
#else
if (rec->regexp_compiled) regfree(&rec->preg);
#endif
if (rec->channels != NULL) g_strfreev(rec->channels);
g_free_not_null(rec->color);
g_free_not_null(rec->act_color);
@ -118,10 +122,19 @@ static void hilights_destroy_all(void)
static void hilight_init_rec(HILIGHT_REC *rec)
{
#ifdef USE_GREGEX
if (rec->preg != NULL)
g_regex_unref(rec->preg);
rec->preg = g_regex_new(rec->text, G_REGEX_OPTIMIZE | G_REGEX_RAW | G_REGEX_CASELESS, 0, NULL);
#else
if (rec->regexp_compiled) regfree(&rec->preg);
if (!rec->regexp)
rec->regexp_compiled = FALSE;
else
rec->regexp_compiled = regcomp(&rec->preg, rec->text,
rec->case_sensitive ? REG_EXTENDED : (REG_EXTENDED|REG_ICASE)) == 0;
#endif
}
void hilight_create(HILIGHT_REC *rec)
@ -194,6 +207,7 @@ static gboolean hilight_match_text(HILIGHT_REC *rec, const char *text,
gboolean ret = FALSE;
if (rec->regexp) {
#ifdef USE_GREGEX
if (rec->preg != NULL) {
GMatchInfo *match;
@ -204,6 +218,19 @@ static gboolean hilight_match_text(HILIGHT_REC *rec, const char *text,
g_match_info_free(match);
}
#else
regmatch_t rmatch[1];
if (rec->regexp_compiled &&
regexec(&rec->preg, text, 1, rmatch, 0) == 0) {
if (rmatch[0].rm_so > 0 &&
match_beg != NULL && match_end != NULL) {
*match_beg = rmatch[0].rm_so;
*match_end = rmatch[0].rm_eo;
}
ret = TRUE;
}
#endif
} else {
char *match;
@ -502,8 +529,13 @@ static void hilight_print(int index, HILIGHT_REC *rec)
if (rec->case_sensitive) g_string_append(options, "-matchcase ");
if (rec->regexp) {
g_string_append(options, "-regexp ");
#ifdef USE_GREGEX
if (rec->preg == NULL)
g_string_append(options, "[INVALID!] ");
#else
if (!rec->regexp_compiled)
g_string_append(options, "[INVALID!] ");
#endif
}
if (rec->priority != 0)

9
src/fe-common/core/hilight-text.h
View File

@ -1,6 +1,10 @@
#ifndef __HILIGHT_TEXT_H
#define __HILIGHT_TEXT_H
#ifndef USE_GREGEX
# include <regex.h>
#endif
#include "formats.h"
struct _HILIGHT_REC {
@ -20,7 +24,12 @@ struct _HILIGHT_REC {
unsigned int fullword:1; /* match `text' only for full words */
unsigned int regexp:1; /* `text' is a regular expression */
unsigned int case_sensitive:1;/* `text' must match case */
#ifdef USE_GREGEX
GRegex *preg;
#else
unsigned int regexp_compiled:1; /* should always be TRUE, unless regexp is invalid */
regex_t preg;
#endif
char *servertag;
};

29
src/fe-text/textbuffer.c
View File

@ -27,6 +27,10 @@
#include "textbuffer.h"
#ifndef USE_GREGEX
# include <regex.h>
#endif
#define TEXT_CHUNK_USABLE_SIZE (LINE_TEXT_CHUNK_SIZE-2-(int)sizeof(char*))
TEXT_BUFFER_REC *textbuffer_create(void)
@ -533,7 +537,11 @@ GList *textbuffer_find_text(TEXT_BUFFER_REC *buffer, LINE_REC *startline,
int before, int after,
int regexp, int fullword, int case_sensitive)
{
#ifdef USE_GREGEX
GRegex *preg;
#else
regex_t preg;
#endif
LINE_REC *line, *pre_line;
GList *matches;
GString *str;
@ -543,6 +551,7 @@ GList *textbuffer_find_text(TEXT_BUFFER_REC *buffer, LINE_REC *startline,
g_return_val_if_fail(buffer != NULL, NULL);
g_return_val_if_fail(text != NULL, NULL);
#ifdef USE_GREGEX
preg = NULL;
if (regexp) {
@ -551,6 +560,14 @@ GList *textbuffer_find_text(TEXT_BUFFER_REC *buffer, LINE_REC *startline,
if (preg == NULL)
return NULL;
}
#else
if (regexp) {
int flags = REG_EXTENDED | REG_NOSUB |
(case_sensitive ? 0 : REG_ICASE);
if (regcomp(&preg, text, flags) != 0)
return NULL;
}
#endif
matches = NULL; match_after = 0;
str = g_string_new(NULL);
@ -571,8 +588,12 @@ GList *textbuffer_find_text(TEXT_BUFFER_REC *buffer, LINE_REC *startline,
if (line_matched) {
line_matched = regexp ?
g_regex_match(preg, str->str, 0, NULL) :
match_func(str->str, text) != NULL;
#ifdef USE_GREGEX
g_regex_match(preg, str->str, 0, NULL)
#else
regexec(&preg, str->str, 0, NULL, 0) == 0
#endif
: match_func(str->str, text) != NULL;
}
}
@ -602,8 +623,12 @@ GList *textbuffer_find_text(TEXT_BUFFER_REC *buffer, LINE_REC *startline,
}
}
#ifdef USE_GREGEX
if (preg != NULL)
g_regex_unref(preg);
#else
if (regexp) regfree(&preg);
#endif
g_string_free(str, TRUE);
return matches;
}