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api: add callback in function string_replace_regex

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This commit is contained in:
Sebastien Helleu
2014-03-13 10:59:58 +01:00
parent c8f574d730
commit cd65198c71
8 changed files with 103 additions and 25 deletions
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doc/en/weechat_plugin_api.en.txt
+13 -3
View File
@@ -1268,14 +1268,17 @@ This function is not available in scripting API.
_WeeChat ≥ 0.4.4._
Replace text in a string using a regular expression and replacement text.
Replace text in a string using a regular expression, replacement text and
optional callback.
Prototype:
[source,C]
----
char *weechat_string_replace_regex (const char *string, void *regex,
const char *replace, const char reference_char);
const char *replace, const char reference_char,
char *(*callback)(void *data, const char *text),
void *callback_data);
----
Arguments:
@@ -1291,6 +1294,13 @@ Arguments:
** `$.*N`: match `N` (can be `+` or `0` to `99`), with all chars replaced by `*`
(the `*` char can be any char between space (32) and `~` (126))
* 'reference_char': the char used for reference to match (commonly '$')
* 'callback': an optional callback called for each reference in 'replace'
(except for matches replaced by a char); the callback must return:
** newly allocated string: it is used as replacement text (it is freed after
use)
** NULL: the text received in callback is used as replacement text (without
changes)
* 'callback_data': pointer given to callback when it is called
Return value:
@@ -1307,7 +1317,7 @@ if (weechat_string_regcomp (&my_regex, "([0-9]{4})-([0-9]{2})-([0-9]{2})",
REG_EXTENDED) == 0)
{
string = weechat_string_replace_regex ("date: 2014-02-14", &my_regex,
"$3/$2/$1", '$');
"$3/$2/$1", '$', NULL, NULL);
/* string == "date: 14/02/2014" */
if (string)
free (string);
doc/fr/weechat_plugin_api.fr.txt
+14 -4
View File
@@ -1286,15 +1286,17 @@ Cette fonction n'est pas disponible dans l'API script.
_WeeChat ≥ 0.4.4._
Remplacer du texte dans une chaîne en utilisant une expression régulière et du
texte de remplacement.
Remplacer du texte dans une chaîne en utilisant une expression régulière, du
texte de remplacement et un "callback" optionnel.
Prototype :
[source,C]
----
char *weechat_string_replace_regex (const char *string, void *regex,
const char *replace, const char reference_char);
const char *replace, const char reference_char,
char *(*callback)(void *data, const char *text),
void *callback_data);
----
Paramètres :
@@ -1314,6 +1316,14 @@ Paramètres :
caractère entre l'espace (32) et `~` (126))
* 'reference_char' : le caractère utilisé pour les références aux
correspondances (en général '$')
* 'callback' : un "callback" optionnel appelé pour chaque référence dans
'replace' (sauf pour les correspondances remplacées par un caractère); le
"callback" doit retourner :
** une chaîne nouvellement allouée : elle est utilisée en texte de remplacement
(elle est libérée après utilisation)
** NULL : le texte reçu dans le "callback" est utilisé comme texte de
remplacement (sans changement)
* 'callback_data' : pointeur donné au "callback" lorsqu'il est appelé
Valeur de retour :
@@ -1330,7 +1340,7 @@ if (weechat_string_regcomp (&my_regex, "([0-9]{4})-([0-9]{2})-([0-9]{2})",
REG_EXTENDED) == 0)
{
string = weechat_string_replace_regex ("date: 2014-02-14", &my_regex,
"$3/$2/$1", '$');
"$3/$2/$1", '$', NULL, NULL);
/* string == "date: 14/02/2014" */
if (string)
free (string);
doc/it/weechat_plugin_api.it.txt
+13 -3
View File
@@ -1302,14 +1302,17 @@ Questa funzione non è disponibile nelle API per lo scripting.
_WeeChat ≥ 0.4.4._
// TRANSLATION MISSING
Replace text in a string using a regular expression and replacement text.
Replace text in a string using a regular expression, replacement text and
optional callback.
Prototipo:
[source,C]
----
char *weechat_string_replace_regex (const char *string, void *regex,
const char *replace, const char reference_char);
const char *replace, const char reference_char,
char *(*callback)(void *data, const char *text),
void *callback_data);
----
Argomenti:
@@ -1326,6 +1329,13 @@ Argomenti:
** `$.*N`: match `N` (can be `+` or `0` to `99`), with all chars replaced by `*`
(the `*` char can be any char between space (32) and `~` (126))
* 'reference_char': the char used for reference to match (commonly '$')
* 'callback': an optional callback called for each reference in 'replace'
(except for matches replaced by a char); the callback must return:
** newly allocated string: it is used as replacement text (it is freed after
use)
** NULL: the text received in callback is used as replacement text (without
changes)
* 'callback_data': pointer given to callback when it is called
Valore restituito:
@@ -1343,7 +1353,7 @@ if (weechat_string_regcomp (&my_regex, "([0-9]{4})-([0-9]{2})-([0-9]{2})",
REG_EXTENDED) == 0)
{
string = weechat_string_replace_regex ("date: 2014-02-14", &my_regex,
"$3/$2/$1", '$');
"$3/$2/$1", '$', NULL, NULL);
/* string == "date: 14/02/2014" */
if (string)
free (string);
doc/ja/weechat_plugin_api.ja.txt
+13 -3
View File
@@ -1269,14 +1269,17 @@ free (str);
_WeeChat バージョン 0.4.4 以上で利用可。_
// TRANSLATION MISSING
Replace text in a string using a regular expression and replacement text.
Replace text in a string using a regular expression, replacement text and
optional callback.
プロトタイプ:
[source,C]
----
char *weechat_string_replace_regex (const char *string, void *regex,
const char *replace, const char reference_char);
const char *replace, const char reference_char,
char *(*callback)(void *data, const char *text),
void *callback_data);
----
引数:
@@ -1293,6 +1296,13 @@ char *weechat_string_replace_regex (const char *string, void *regex,
** `$.*N`: match `N` (can be `+` or `0` to `99`), with all chars replaced by `*`
(the `*` char can be any char between space (32) and `~` (126))
* 'reference_char': the char used for reference to match (commonly '$')
* 'callback': an optional callback called for each reference in 'replace'
(except for matches replaced by a char); the callback must return:
** newly allocated string: it is used as replacement text (it is freed after
use)
** NULL: the text received in callback is used as replacement text (without
changes)
* 'callback_data': pointer given to callback when it is called
戻り値:
@@ -1310,7 +1320,7 @@ if (weechat_string_regcomp (&my_regex, "([0-9]{4})-([0-9]{2})-([0-9]{2})",
REG_EXTENDED) == 0)
{
string = weechat_string_replace_regex ("date: 2014-02-14", &my_regex,
"$3/$2/$1", '$');
"$3/$2/$1", '$', NULL, NULL);
/* string == "date: 14/02/2014" */
if (string)
free (string);
src/core/wee-string.c
+37 -6
View File
@@ -1154,7 +1154,9 @@ string_replace (const char *string, const char *search, const char *replace)
char *
string_replace_regex_get_replace (const char *string, regmatch_t *regex_match,
int last_match, const char *replace,
const char reference_char)
const char reference_char,
char *(*callback)(void *data, const char *text),
void *callback_data)
{
int length, length_current, length_add, match;
const char *ptr_replace, *ptr_add;
@@ -1208,8 +1210,26 @@ string_replace_regex_get_replace (const char *string, regmatch_t *regex_match,
}
if (regex_match[match].rm_so >= 0)
{
ptr_add = string + regex_match[match].rm_so;
length_add = regex_match[match].rm_eo - regex_match[match].rm_so;
if (callback)
{
temp = string_strndup (string + regex_match[match].rm_so,
regex_match[match].rm_eo - regex_match[match].rm_so);
if (temp)
{
modified_replace = (*callback) (callback_data, temp);
if (modified_replace)
{
ptr_add = modified_replace;
length_add = strlen (modified_replace);
}
free (temp);
}
}
if (!ptr_add)
{
ptr_add = string + regex_match[match].rm_so;
length_add = regex_match[match].rm_eo - regex_match[match].rm_so;
}
}
}
else if ((ptr_replace[1] == '.')
@@ -1308,6 +1328,11 @@ string_replace_regex_get_replace (const char *string, regmatch_t *regex_match,
* (the char '*' can be replaced by any char between space (32)
* and '~' (126))
*
* If the callback is not NULL, it is called for every reference to a match
* (except for matches replaced by a char).
* If not NULL, the string returned by the callback (which must have been newly
* allocated) is used and freed after use.
*
* Examples:
*
* string | regex | replace | result
@@ -1322,7 +1347,9 @@ string_replace_regex_get_replace (const char *string, regmatch_t *regex_match,
char *
string_replace_regex (const char *string, void *regex, const char *replace,
const char reference_char)
const char reference_char,
char *(*callback)(void *data, const char *text),
void *callback_data)
{
char *result, *result2, *str_replace;
int length, length_replace, start_offset, i, rc, end, last_match;
@@ -1373,9 +1400,13 @@ string_replace_regex (const char *string, void *regex, const char *replace,
/* check if the regex matched the end of string */
end = !result[regex_match[0].rm_eo];
str_replace = string_replace_regex_get_replace (result, regex_match,
str_replace = string_replace_regex_get_replace (result,
regex_match,
last_match,
replace, reference_char);
replace,
reference_char,
callback,
callback_data);
length_replace = (str_replace) ? strlen (str_replace) : 0;
length = regex_match[0].rm_so + length_replace +
src/core/wee-string.h
+3 -1
View File
@@ -59,7 +59,9 @@ extern int string_has_highlight_regex_compiled (const char *string,
extern int string_has_highlight_regex (const char *string, const char *regex);
extern char *string_replace_regex (const char *string, void *regex,
const char *replace,
const char reference_char);
const char reference_char,
char *(*callback)(void *data, const char *text),
void *callback_data);
extern char **string_split (const char *string, const char *separators,
int keep_eol, int num_items_max, int *num_items);
extern char **string_split_shared (const char *string, const char *separators,
src/plugins/trigger/trigger-callback.c
+2 -1
View File
@@ -213,7 +213,8 @@ trigger_callback_replace_regex (struct t_trigger *trigger,
value = weechat_string_replace_regex (ptr_value,
trigger->regex[i].regex,
replace_eval,
'$');
'$',
NULL, NULL);
if (value)
{
/* display debug info on trigger buffer */
src/plugins/weechat-plugin.h
+8 -4
View File
@@ -57,7 +57,7 @@ struct timeval;
* please change the date with current one; for a second change at same
* date, increment the 01, otherwise please keep 01.
*/
#define WEECHAT_PLUGIN_API_VERSION "20140311-01"
#define WEECHAT_PLUGIN_API_VERSION "20140313-01"
/* macros for defining plugin infos */
#define WEECHAT_PLUGIN_NAME(__name) \
@@ -250,7 +250,9 @@ struct t_weechat_plugin
int (*string_has_highlight_regex) (const char *string, const char *regex);
char *(*string_replace_regex) (const char *string, void *regex,
const char *replace,
const char reference_char);
const char reference_char,
char *(*callback)(void *data, const char *text),
void *callback_data);
char **(*string_split) (const char *string, const char *separators,
int keep_eol, int num_items_max, int *num_items);
char **(*string_split_shell) (const char *string, int *num_items);
@@ -1017,9 +1019,11 @@ extern int weechat_plugin_end (struct t_weechat_plugin *plugin);
#define weechat_string_has_highlight_regex(__string, __regex) \
weechat_plugin->string_has_highlight_regex(__string, __regex)
#define weechat_string_replace_regex(__string, __regex, __replace, \
__reference_char) \
__reference_char, __callback, \
__callback_data) \
weechat_plugin->string_replace_regex(__string, __regex, __replace, \
__reference_char)
__reference_char, __callback, \
__callback_data)
#define weechat_string_split(__string, __separator, __eol, __max, \
__num_items) \
weechat_plugin->string_split(__string, __separator, __eol, \