vis

a vi-like editor based on Plan 9's structural regular expressions

git clone https://9o.is/git/vis.git

commit 81cc0264c81eae5ded9302a2884d5c3b5b056593
parent f20e3fbdbf83371e978d1726fe850d7994b32b57
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Fri, 13 Jan 2017 12:26:42 +0100

text-regex: add text_regex_nsub to get number of sub expressions

Diffstat:
Mtext-regex.c | 6++++++
Mtext-regex.h | 1+
2 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/text-regex.c b/text-regex.c @@ -23,6 +23,12 @@ int text_regex_compile(Regex *regex, const char *string, int cflags) { return r; } +size_t text_regex_nsub(Regex *r) { + if (!r) + return 0; + return r->regex.re_nsub; +} + void text_regex_free(Regex *r) { if (!r) return; diff --git a/text-regex.h b/text-regex.h @@ -9,6 +9,7 @@ typedef Filerange RegexMatch; Regex *text_regex_new(void); int text_regex_compile(Regex*, const char *pattern, int cflags); +size_t text_regex_nsub(Regex*); void text_regex_free(Regex*); int text_regex_match(Regex*, const char *data, int eflags); int text_search_range_forward(Text*, size_t pos, size_t len, Regex *r, size_t nmatch, RegexMatch pmatch[], int eflags);