summaryrefslogtreecommitdiff
path: root/buffer.c
diff options
context:
space:
mode:
authorpommicket <pommicket@gmail.com>2023-08-04 23:53:26 -0400
committerpommicket <pommicket@gmail.com>2023-08-04 23:53:26 -0400
commit3816db2083421222b59ecb1b9f5cedbead6d1fc7 (patch)
treefab3847116e5add027b808de6b5c906abcec5e6f /buffer.c
parentfa4c4fcb7f215dd2d63318c3aef6dd0794a44548 (diff)
start renmae symbol
Diffstat (limited to 'buffer.c')
-rw-r--r--buffer.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/buffer.c b/buffer.c
index 05e1f43..fae8924 100644
--- a/buffer.c
+++ b/buffer.c
@@ -1386,24 +1386,33 @@ i64 buffer_cursor_move_right_words(TextBuffer *buffer, i64 nwords) {
return ret;
}
-String32 buffer_word_at_pos(TextBuffer *buffer, BufferPos pos) {
+void buffer_word_span_at_pos(TextBuffer *buffer, BufferPos pos, u32 *word_start, u32 *word_end) {
buffer_pos_validate(buffer, &pos);
Line *line = &buffer->lines[pos.line];
char32_t *str = line->str;
- i64 word_start, word_end;
- for (word_start = pos.index; word_start > 0; --word_start) {
- if (!is32_word(str[word_start - 1]))
+ i64 start, end;
+ for (start = pos.index; start > 0; --start) {
+ if (!is32_word(str[start - 1]))
break;
}
- for (word_end = pos.index; word_end < line->len; ++word_end) {
- if (!is32_word(str[word_end]))
+ for (end = pos.index; end < line->len; ++end) {
+ if (!is32_word(str[end]))
break;
}
+ *word_start = (u32)start;
+ *word_end = (u32)end;
+}
+
+String32 buffer_word_at_pos(TextBuffer *buffer, BufferPos pos) {
+ buffer_pos_validate(buffer, &pos);
+ Line *line = &buffer->lines[pos.line];
+ u32 word_start=0, word_end=0;
+ buffer_word_span_at_pos(buffer, pos, &word_start, &word_end);
u32 len = (u32)(word_end - word_start);
if (len == 0)
return str32(NULL, 0);
else
- return str32(str + word_start, len);
+ return str32(line->str + word_start, len);
}
String32 buffer_word_at_cursor(TextBuffer *buffer) {