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authorMichael Muré <batolettre@gmail.com>2019-11-03 14:00:35 +0100
committerMichael Muré <batolettre@gmail.com>2019-11-03 14:00:35 +0100
commitf72a9dc62ba20546b2cdeb466434fc1900741a4f (patch)
tree8b68dc12c312d0a1fe6d5b1a1388cee82d44c634 /vendor/github.com/MichaelMure/go-term-text/trim.go
parent809abf9244f64683fe2d9f8489a4dcff0904d5b5 (diff)
downloadgit-bug-f72a9dc62ba20546b2cdeb466434fc1900741a4f.tar.gz
switch to go-term-text to fix bad underflow for label rendering
Diffstat (limited to 'vendor/github.com/MichaelMure/go-term-text/trim.go')
-rw-r--r--vendor/github.com/MichaelMure/go-term-text/trim.go28
1 files changed, 28 insertions, 0 deletions
diff --git a/vendor/github.com/MichaelMure/go-term-text/trim.go b/vendor/github.com/MichaelMure/go-term-text/trim.go
new file mode 100644
index 00000000..eaf2ca0c
--- /dev/null
+++ b/vendor/github.com/MichaelMure/go-term-text/trim.go
@@ -0,0 +1,28 @@
+package text
+
+import (
+ "strings"
+ "unicode"
+)
+
+// TrimSpace remove the leading and trailing whitespace while ignoring the
+// terminal escape sequences.
+// Returns the number of trimmed space on both side.
+func TrimSpace(line string) string {
+ cleaned, escapes := ExtractTermEscapes(line)
+
+ // trim left while counting
+ left := 0
+ trimmed := strings.TrimLeftFunc(cleaned, func(r rune) bool {
+ if unicode.IsSpace(r) {
+ left++
+ return true
+ }
+ return false
+ })
+
+ trimmed = strings.TrimRightFunc(trimmed, unicode.IsSpace)
+
+ escapes = OffsetEscapes(escapes, -left)
+ return ApplyTermEscapes(trimmed, escapes)
+}