Slightly improved routing handling to prevent repeition in code for string parsing.

parser/syn_strings.go

@@ -8,19 +8,15 @@ import "github.com/mmakaay/toml/parsekit"
 // * Basic strings are surrounded by quotation marks.
 func stateStringValue(p *parsekit.P) {
 	switch {
-	case p.SkipMatching(doubleQuote3):
+	case p.After(doubleQuote3).Ignore():
 		p.RouteTo(stateMultiLineBasicString)
-	case p.SkipMatching(doubleQuote):
-		p.RouteTo(parseString).ThenTo(basicStringSpecifics)
+	case p.After(doubleQuote).Ignore():
+		p.RouteTo(startBasicString)
 	default:
 		p.UnexpectedInput("a string value")
 	}
 }
 
-func stateMultiLineBasicString(p *parsekit.P) {
-	p.EmitError("Not yet implemented")
-}
-
 // For convenience, some popular characters have a compact escape sequence.
 //
 // \b         - backspace       (U+0008)
@@ -54,6 +50,10 @@ func parseString(p *parsekit.P) {
 	}
 }
 
+func startBasicString(p *parsekit.P) {
+	p.RouteTo(parseString).ThenTo(basicStringSpecifics)
+}
+
 // Specific handling of input for basic strings.
 // * A double quote ends the string
 // * No additional \escape sequences are allowed. What the spec say about this:
@@ -70,6 +70,10 @@ func basicStringSpecifics(p *parsekit.P) {
 	case p.After(backslash).Backup():
 		p.EmitError("Invalid escape sequence")
 	default:
-		p.RouteTo(parseString).ThenTo(basicStringSpecifics)
+		p.RouteTo(startBasicString)
 	}
 }
+
+func stateMultiLineBasicString(p *parsekit.P) {
+	p.EmitError("Not yet implemented")
+}