Fixed precompile regexp.

door/write_linux.go

@@ -21,6 +21,12 @@ func Writer(handle int) {
 	}
 }
 
+var FindANSIColor *regexp.Regexp
+
+func init() {
+	FindANSIColor = regexp.MustCompile("\x1b\\[([0-9;]*)m")
+}
+
 /*
 reading from a closed channel is easy to detect.
 
@@ -33,8 +39,8 @@ writing to a closed channel is a panic.
 func find_ansicolor(text string) [][]int {
 	var color_codes [][]int
 
-	word, _ := regexp.Compile("\x1b\\[([0-9;]+)m")
-	colors := word.FindAllStringIndex(text, -1)
+	// word, _ := regexp.Compile("\x1b\\[([0-9;]+)m")
+	colors := FindANSIColor.FindAllStringIndex(text, -1)
 	// regexp seems to be ignoring the capture groups.
 	// colors := word.FindAllSubmatchIndex([]byte(text), len(text))
 	for _, pos := range colors {
@@ -42,9 +48,9 @@ func find_ansicolor(text string) [][]int {
 		if txt == "" {
 			txt = "0"
 		}
-		log.Printf("Text: [%s]\n", txt)
+		// log.Printf("Text: [%s]\n", txt)
 		codes := strings.Split(txt, ";")
-		log.Printf("Codes: [%#v]\n", codes)
+		// log.Printf("Codes: [%#v]\n", codes)
 		code := make([]int, len(codes))
 		for idx, c := range codes {
 			var err error