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Diffstat (limited to 'vendor/github.com/lunixbochs/vtclean/vtclean.go')
-rw-r--r--vendor/github.com/lunixbochs/vtclean/vtclean.go95
1 files changed, 0 insertions, 95 deletions
diff --git a/vendor/github.com/lunixbochs/vtclean/vtclean.go b/vendor/github.com/lunixbochs/vtclean/vtclean.go
deleted file mode 100644
index 64fe01fdb..000000000
--- a/vendor/github.com/lunixbochs/vtclean/vtclean.go
+++ /dev/null
@@ -1,95 +0,0 @@
-package vtclean
-
-import (
- "bytes"
- "regexp"
- "strconv"
-)
-
-// regex based on ECMA-48:
-// 1. optional:
-// one of [ or ]
-// any amount of 0x30-0x3f
-// any amount of 0x20-0x2f
-// 3. exactly one 0x40-0x7e
-var vt100re = regexp.MustCompile(`^\033([\[\]]([0-9:;<=>\?]*)([!"#$%&'()*+,\-./]*))?([@A-Z\[\]^_\x60a-z{|}~])`)
-var vt100exc = regexp.MustCompile(`^\033(\[[^a-zA-Z0-9@\?]+|[\(\)]).`)
-
-// this is to handle the RGB escape generated by `tput initc 1 500 500 500`
-var vt100long = regexp.MustCompile(`^\033](\d+);([^\033]+)\033\\`)
-
-func Clean(line string, color bool) string {
- var edit = newLineEdit(len(line))
- lineb := []byte(line)
-
- hadColor := false
- for i := 0; i < len(lineb); {
- c := lineb[i]
- switch c {
- case '\r':
- edit.MoveAbs(0)
- case '\b':
- edit.Move(-1)
- case '\033':
- // set terminal title
- if bytes.HasPrefix(lineb[i:], []byte("\x1b]0;")) {
- pos := bytes.Index(lineb[i:], []byte("\a"))
- if pos != -1 {
- i += pos + 1
- continue
- }
- }
- if m := vt100long.Find(lineb[i:]); m != nil {
- i += len(m)
- } else if m := vt100exc.Find(lineb[i:]); m != nil {
- i += len(m)
- } else if m := vt100re.FindSubmatch(lineb[i:]); m != nil {
- i += len(m[0])
- num := string(m[2])
- n, err := strconv.Atoi(num)
- if err != nil || n > 10000 {
- n = 1
- }
- switch m[4][0] {
- case 'm':
- if color {
- hadColor = true
- edit.Vt100(m[0])
- }
- case '@':
- edit.Insert(bytes.Repeat([]byte{' '}, n))
- case 'G':
- edit.MoveAbs(n)
- case 'C':
- edit.Move(n)
- case 'D':
- edit.Move(-n)
- case 'P':
- edit.Delete(n)
- case 'K':
- switch num {
- case "", "0":
- edit.ClearRight()
- case "1":
- edit.ClearLeft()
- case "2":
- edit.Clear()
- }
- }
- } else {
- i += 1
- }
- continue
- default:
- if c == '\n' || c == '\t' || c >= ' ' {
- edit.Write([]byte{c})
- }
- }
- i += 1
- }
- out := edit.Bytes()
- if hadColor {
- out = append(out, []byte("\033[0m")...)
- }
- return string(out)
-}