diff --git a/html.c b/html.c
index 0d1c27a..7651a5b 100644
--- a/html.c
+++ b/html.c
@@ -21,7 +21,7 @@ d_char *not_really_markdown(char *content, d_char **f_content)
/* global changes */
{
/* backticks */
- xs *ml = xs_regex_matchall(wrk, "`[^`]+`");
+ xs *ml = xs_regex_match(wrk, "`[^`]+`");
p = ml;
while (xs_list_iter(&p, &v)) {
@@ -34,7 +34,7 @@ d_char *not_really_markdown(char *content, d_char **f_content)
{
/* double asterisks */
- xs *ml = xs_regex_matchall(wrk, "\\*\\*[^\\*]+\\*\\*");
+ xs *ml = xs_regex_match(wrk, "\\*\\*[^\\*]+\\*\\*");
p = ml;
while (xs_list_iter(&p, &v)) {
@@ -47,7 +47,7 @@ d_char *not_really_markdown(char *content, d_char **f_content)
{
/* single asterisks */
- xs *ml = xs_regex_matchall(wrk, "\\*[^\\*]+\\*");
+ xs *ml = xs_regex_match(wrk, "\\*[^\\*]+\\*");
p = ml;
while (xs_list_iter(&p, &v)) {
diff --git a/xs_regex.h b/xs_regex.h
index 75ccfc3..9221233 100644
--- a/xs_regex.h
+++ b/xs_regex.h
@@ -4,21 +4,23 @@
#define _XS_REGEX_H
-d_char *xs_regex_match(char *str, char *rx, int count);
-#define xs_regex_matchall(str, rx) xs_regex_match(str, rx, 0xfffffff)
+d_char *xs_regex_split_n(const char *str, const char *rx, int count);
+#define xs_regex_split(str, rx) xs_regex_split_n(str, rx, 0xfffffff)
+d_char *xs_regex_match_n(const char *str, const char *rx, int count);
+#define xs_regex_match(str, rx) xs_regex_match_n(str, rx, 0xfffffff)
#ifdef XS_IMPLEMENTATION
#include
-d_char *xs_regex_match(char *str, char *rx, int count)
-/* returns a list with upto count matches */
+d_char *xs_regex_split_n(const char *str, const char *rx, int count)
+/* splits str by regex */
{
regex_t re;
regmatch_t rm;
- d_char *list = NULL;
int offset = 0;
- char *p;
+ d_char *list = NULL;
+ const char *p;
if (regcomp(&re, rx, REG_EXTENDED))
return NULL;
@@ -26,22 +28,51 @@ d_char *xs_regex_match(char *str, char *rx, int count)
list = xs_list_new();
while (count > 0 && !regexec(&re, (p = str + offset), 1, &rm, offset > 0 ? REG_NOTBOL : 0)) {
- /* add the first part */
- list = xs_list_append_m(list, p + rm.rm_so, rm.rm_eo - rm.rm_so);
-
- /* add the asciiz */
+ /* add first the leading part of the string */
+ list = xs_list_append_m(list, p, rm.rm_so);
list = xs_str_cat(list, "");
+ /* add now the matched text as the separator */
+ list = xs_list_append_m(list, p + rm.rm_so, rm.rm_eo - rm.rm_so);
+ list = xs_str_cat(list, "");
+
+ /* move forward */
offset += rm.rm_eo;
count--;
}
+ /* add the rest of the string */
+ list = xs_list_append(list, p);
+
regfree(&re);
return list;
}
+
+d_char *xs_regex_match_n(const char *str, const char *rx, int count)
+/* returns a list with upto count matches */
+{
+ d_char *list = xs_list_new();
+ xs *split = NULL;
+ char *p, *v;
+ int n = 0;
+
+ /* split */
+ p = split = xs_regex_split_n(str, rx, count);
+
+ /* now iterate to get only the 'separators' (odd ones) */
+ while (xs_list_iter(&p, &v)) {
+ if (n & 0x1)
+ list = xs_list_append(list, v);
+
+ n++;
+ }
+
+ return list;
+}
+
#endif /* XS_IMPLEMENTATION */
#endif /* XS_REGEX_H */