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handle unusual escape codes in files

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This commit is contained in:
Gokcehan 2016-11-29 17:00:40 +03:00
parent bfd33f8437
commit 217d89ff96
1 changed files with 75 additions and 74 deletions
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149
ui.go
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@ -111,83 +111,84 @@ func (win *Win) print(x, y int, fg, bg termbox.Attribute, s string) {
for i := 0; i < len(s); i++ {
r, w := utf8.DecodeRuneInString(s[i:])
if r == EscapeCode {
i++
if s[i] == '[' {
j := strings.IndexByte(s[i:], 'm')
if r == EscapeCode && i+1 < len(s) && s[i+1] == '[' {
j := strings.IndexByte(s[i:min(len(s), i+8)], 'm')
toks := strings.Split(s[i+1:i+j], ";")
var nums []int
for _, t := range toks {
if t == "" {
fg = termbox.ColorDefault
bg = termbox.ColorDefault
break
}
n, err := strconv.Atoi(t)
if err != nil {
log.Printf("converting escape code: %s", err)
continue
}
nums = append(nums, n)
}
for _, n := range nums {
if 30 <= n && n <= 37 {
fg = termbox.ColorDefault
}
if 40 <= n && n <= 47 {
bg = termbox.ColorDefault
}
}
for _, n := range nums {
switch n {
case 1:
fg = fg | termbox.AttrBold
case 4:
fg = fg | termbox.AttrUnderline
case 7:
fg = fg | termbox.AttrReverse
case 30:
fg = fg | termbox.ColorBlack
case 31:
fg = fg | termbox.ColorRed
case 32:
fg = fg | termbox.ColorGreen
case 33:
fg = fg | termbox.ColorYellow
case 34:
fg = fg | termbox.ColorBlue
case 35:
fg = fg | termbox.ColorMagenta
case 36:
fg = fg | termbox.ColorCyan
case 37:
fg = fg | termbox.ColorWhite
case 40:
bg = bg | termbox.ColorBlack
case 41:
bg = bg | termbox.ColorRed
case 42:
bg = bg | termbox.ColorGreen
case 43:
bg = bg | termbox.ColorYellow
case 44:
bg = bg | termbox.ColorBlue
case 45:
bg = bg | termbox.ColorMagenta
case 46:
bg = bg | termbox.ColorCyan
case 47:
bg = bg | termbox.ColorWhite
}
}
i = i + j
if j == -1 {
continue
}
toks := strings.Split(s[i+2:i+j], ";")
var nums []int
for _, t := range toks {
if t == "" {
fg = termbox.ColorDefault
bg = termbox.ColorDefault
break
}
n, err := strconv.Atoi(t)
if err != nil {
log.Printf("converting escape code: %s", err)
continue
}
nums = append(nums, n)
}
for _, n := range nums {
if 30 <= n && n <= 37 {
fg = termbox.ColorDefault
}
if 40 <= n && n <= 47 {
bg = termbox.ColorDefault
}
}
for _, n := range nums {
switch n {
case 1:
fg = fg | termbox.AttrBold
case 4:
fg = fg | termbox.AttrUnderline
case 7:
fg = fg | termbox.AttrReverse
case 30:
fg = fg | termbox.ColorBlack
case 31:
fg = fg | termbox.ColorRed
case 32:
fg = fg | termbox.ColorGreen
case 33:
fg = fg | termbox.ColorYellow
case 34:
fg = fg | termbox.ColorBlue
case 35:
fg = fg | termbox.ColorMagenta
case 36:
fg = fg | termbox.ColorCyan
case 37:
fg = fg | termbox.ColorWhite
case 40:
bg = bg | termbox.ColorBlack
case 41:
bg = bg | termbox.ColorRed
case 42:
bg = bg | termbox.ColorGreen
case 43:
bg = bg | termbox.ColorYellow
case 44:
bg = bg | termbox.ColorBlue
case 45:
bg = bg | termbox.ColorMagenta
case 46:
bg = bg | termbox.ColorCyan
case 47:
bg = bg | termbox.ColorWhite
}
}
i += j
continue
}
if x >= win.w {