diff options
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/wee-string.c | 43 | ||||
| -rw-r--r-- | src/core/wee-string.h | 4 |
2 files changed, 40 insertions, 7 deletions
diff --git a/src/core/wee-string.c b/src/core/wee-string.c index ff3d143e9..e3a8f1184 100644 --- a/src/core/wee-string.c +++ b/src/core/wee-string.c @@ -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 + diff --git a/src/core/wee-string.h b/src/core/wee-string.h index 1ae8cb9b2..bf34cb2a3 100644 --- a/src/core/wee-string.h +++ b/src/core/wee-string.h @@ -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, |