vis

commit dc58a1f89ddd2eb0c3dff7494bc2e191f4715f31
parent c0b51594f2edbcbd14da396607abdc2ef57de2ce
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Fri,  5 Sep 2014 07:29:27 +0200

Add helper function which finds the start of the next line

Diffstat:
M
text-motions.c
 | 
10
++++++++++
M
text-motions.h
 | 
5
+++--

2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/text-motions.c b/text-motions.c
@@ -98,6 +98,16 @@ size_t text_line_end(Text *txt, size_t pos) {
 	return text_find_char_next(txt, pos, "\n", 1);
 }
 
+size_t text_line_next(Text *txt, size_t pos) {
+	char c;
+	Iterator it = text_iterator_get(txt, pos);
+	while (text_iterator_byte_get(&it, &c) && c != '\n')
+		text_iterator_byte_next(&it, NULL);
+	if (text_iterator_byte_next(&it, &c) && c == '\r')
+		text_iterator_byte_next(&it, NULL);
+	return it.pos;
+}
+
 size_t text_word_boundry_start_next(Text *txt, size_t pos, int (*isboundry)(int)) {
 	char c;
 	Iterator it = text_iterator_get(txt, pos);
diff --git a/text-motions.h b/text-motions.h
@@ -13,8 +13,8 @@ size_t text_char_prev(Text*, size_t pos);
 size_t text_find_char_next(Text*, size_t pos, const char *s, size_t len);
 size_t text_find_char_prev(Text*, size_t pos, const char *s, size_t len);
 
-/*        begin            finish
- *        v                v
+/*        begin            finish        next
+ *        v                v             v
  *  \n[\r]      I am a line!       \n[\r]
  *              ^                  ^
  *              start              end
@@ -23,6 +23,7 @@ size_t text_line_begin(Text*, size_t pos);
 size_t text_line_start(Text*, size_t pos);
 size_t text_line_finish(Text*, size_t pos);
 size_t text_line_end(Text*, size_t pos);
+size_t text_line_next(Text*, size_t pos);
 /*
  * A word consists of a sequence of non-blank characters, separated with white space.
  * TODO?: An empty line is also considered to be a word. This is equivalant to a WORD