diff options
Diffstat (limited to 'vendor/github.com/MichaelMure/go-term-text/len.go')
-rw-r--r-- | vendor/github.com/MichaelMure/go-term-text/len.go | 45 |
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 +} |