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-rw-r--r--vendor/github.com/MichaelMure/go-term-text/len.go45
1 files changed, 45 insertions, 0 deletions
diff --git a/vendor/github.com/MichaelMure/go-term-text/len.go b/vendor/github.com/MichaelMure/go-term-text/len.go
new file mode 100644
index 00000000..c6bcaeac
--- /dev/null
+++ b/vendor/github.com/MichaelMure/go-term-text/len.go
@@ -0,0 +1,45 @@
+package text
+
+import (
+ "strings"
+
+ "github.com/mattn/go-runewidth"
+)
+
+// Len return the length of a string in a terminal, while ignoring the terminal
+// escape sequences.
+func Len(text string) int {
+ length := 0
+ escape := false
+
+ for _, char := range text {
+ if char == '\x1b' {
+ escape = true
+ }
+ if !escape {
+ length += runewidth.RuneWidth(char)
+ }
+ if char == 'm' {
+ escape = false
+ }
+ }
+
+ return length
+}
+
+// MaxLineLen return the length in a terminal of the longest line, while
+// ignoring the terminal escape sequences.
+func MaxLineLen(text string) int {
+ lines := strings.Split(text, "\n")
+
+ max := 0
+
+ for _, line := range lines {
+ length := Len(line)
+ if length > max {
+ max = length
+ }
+ }
+
+ return max
+}