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go/_patches/github.com/honeybbq/teamspeak-go/commands/command_parser.go

@@ -0,0 +1,73 @@
+package commands
+
+import (
+	"strings"
+)
+
+func ParseCommand(s string) *Command {
+	if s == "" {
+		return nil
+	}
+
+	startIndex := 0
+	for i := range len(s) {
+		if s[i] >= 32 && s[i] <= 126 {
+			startIndex = i
+
+			break
+		}
+	}
+	if startIndex > 0 {
+		s = s[startIndex:]
+	}
+
+	parts := strings.Split(s, " ")
+	if len(parts) == 0 {
+		return nil
+	}
+
+	cmd := &Command{
+		Params: make(map[string]string),
+	}
+
+	// TS3 list responses (clientlist, channellist) arrive as nameless rows of
+	// key=value pairs. Only treat the first token as a command name when it is
+	// NOT a key=value pair; otherwise every token is a parameter.
+	start := 0
+	if !strings.Contains(parts[0], "=") {
+		cmd.Name = parts[0]
+		start = 1
+	}
+
+	for _, p := range parts[start:] {
+		if p == "" {
+			continue
+		}
+		kv := strings.SplitN(p, "=", 2)
+		if len(kv) == 2 {
+			cmd.Params[Unescape(kv[0])] = Unescape(kv[1])
+		} else {
+			cmd.Params[Unescape(p)] = ""
+		}
+	}
+
+	return cmd
+}
+
+var unescaper = strings.NewReplacer(
+	"\\\\", "\\",
+	"\\/", "/",
+	"\\s", " ",
+	"\\p", "|",
+	"\\a", "\a",
+	"\\b", "\b",
+	"\\f", "\f",
+	"\\n", "\n",
+	"\\r", "\r",
+	"\\t", "\t",
+	"\\v", "\v",
+)
+
+func Unescape(s string) string {
+	return unescaper.Replace(s)
+}