commit bcc3095

Handle consecutive spaces on arg split

 1@@ -358,6 +358,51 @@ func commandDoTopic(app *App, buffer string, args []string) (err error) {
 2 	return
 3 }
 4 
 5+// implemented from https://golang.org/src/strings/strings.go?s=8055:8085#L310
 6+func fieldsN(s string, n int) []string {
 7+	s = strings.TrimSpace(s)
 8+	if s == "" || n == 0 {
 9+		return nil
10+	}
11+	if n == 1 {
12+		return []string{s}
13+	}
14+	n--
15+	// Start of the ASCII fast path.
16+	var a []string
17+	na := 0
18+	fieldStart := 0
19+	i := 0
20+	// Skip spaces in front of the input.
21+	for i < len(s) && s[i] == ' ' {
22+		i++
23+	}
24+	fieldStart = i
25+	for i < len(s) {
26+		if s[i] != ' ' {
27+			i++
28+			continue
29+		}
30+		a = append(a, s[fieldStart:i])
31+		na++
32+		i++
33+		// Skip spaces in between fields.
34+		for i < len(s) && s[i] == ' ' {
35+			i++
36+		}
37+		fieldStart = i
38+		if n <= na {
39+			a = append(a, s[fieldStart:])
40+			return a
41+		}
42+	}
43+	if fieldStart < len(s) {
44+		// Last field ends at EOF.
45+		a = append(a, s[fieldStart:])
46+	}
47+	return a
48+}
49+
50 func parseCommand(s string) (command, args string, isCommand bool) {
51 	if s == "" {
52 		return "", "", false
53@@ -416,7 +461,7 @@ func (app *App) handleInput(buffer, content string) error {
54 
55 	var args []string
56 	if rawArgs != "" && cmd.MaxArgs != 0 {
57-		args = strings.SplitN(rawArgs, " ", cmd.MaxArgs)
58+		args = fieldsN(rawArgs, cmd.MaxArgs)
59 	}
60 
61 	if len(args) < cmd.MinArgs {