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Report incomplete color sequence

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This commit is contained in:
Johan Walles 2019-10-28 20:09:08 +01:00
parent 86b5f93895
commit f973ed5c46
1 changed files with 11 additions and 1 deletions
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12
m/ansiTokenizer.go
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@ -267,11 +267,21 @@ func _UpdateStyle(logger *log.Logger, style tcell.Style, escapeSequence string)
// * The first index in the string that this function did not consume
// * A color value that can be applied to a style
func consumeCompositeColor(numbers []string, index int) (int, *tcell.Color, error) {
baseIndex := index
if numbers[index] != "38" && numbers[index] != "48" {
err := fmt.Errorf(
"Unknown start of color sequence <%s>, expected 38 (foreground) or 48 (background): <CSI %sm>",
numbers[index],
strings.Join(numbers[index:], ";"))
strings.Join(numbers[baseIndex:], ";"))
return -1, nil, err
}
index++
if index >= len(numbers) {
err := fmt.Errorf(
"Incomplete color sequence: <CSI %sm>",
strings.Join(numbers[baseIndex:], ";"))
return -1, nil, err
}