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-rw-r--r--utils/markdown/lines.go27
1 files changed, 27 insertions, 0 deletions
diff --git a/utils/markdown/lines.go b/utils/markdown/lines.go
new file mode 100644
index 000000000..a38b5164c
--- /dev/null
+++ b/utils/markdown/lines.go
@@ -0,0 +1,27 @@
+// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package markdown
+
+type Line struct {
+ Range
+}
+
+func ParseLines(markdown string) (lines []Line) {
+ lineStartPosition := 0
+ isAfterCarriageReturn := false
+ for position, r := range markdown {
+ if r == '\n' {
+ lines = append(lines, Line{Range{lineStartPosition, position + 1}})
+ lineStartPosition = position + 1
+ } else if isAfterCarriageReturn {
+ lines = append(lines, Line{Range{lineStartPosition, position}})
+ lineStartPosition = position
+ }
+ isAfterCarriageReturn = r == '\r'
+ }
+ if lineStartPosition < len(markdown) {
+ lines = append(lines, Line{Range{lineStartPosition, len(markdown)}})
+ }
+ return
+}