text: move utility functions to separate file

1 files changed, 1 insertions, 36 deletions

diff --git a/text.c b/text.c
index 9a1bd42..26b851d 100644
--- a/text.c
+++ b/text.c
@@ -31,6 +31,7 @@
 #endif
 
 #include "text.h"
+#include "text-util.h"
 #include "util.h"
 
 /* Allocate buffers holding the actual file content in junks of size: */
@@ -1474,39 +1475,3 @@ size_t text_history_get(Text *txt, size_t index) {
 	}
 	return EPOS;
 }
-
-bool text_range_valid(Filerange *r) {
-	return r->start != EPOS && r->end != EPOS && r->start <= r->end;
-}
-
-size_t text_range_size(Filerange *r) {
-	return text_range_valid(r) ? r->end - r->start : 0;
-}
-
-Filerange text_range_empty(void) {
-	return (Filerange){ .start = EPOS, .end = EPOS };
-}
-
-Filerange text_range_union(Filerange *r1, Filerange *r2) {
-	if (!text_range_valid(r1))
-		return *r2;
-	if (!text_range_valid(r2))
-		return *r1;
-	return (Filerange) {
-		.start = MIN(r1->start, r2->start),
-		.end = MAX(r1->end, r2->end),
-	};
-}
-
-Filerange text_range_new(size_t a, size_t b) {
-	return (Filerange) {
-		.start = MIN(a, b),
-		.end = MAX(a, b),
-	};
-}
-
-bool text_range_overlap(Filerange *r1, Filerange *r2) {
-	if (!text_range_valid(r1) || !text_range_valid(r2))
-		return false;
-	return r1->start <= r2->end && r2->start <= r1->end;
-}