restructure

linux/src/parser/parse-result.vala

@@ -0,0 +1,61 @@
+/*
+ * ParseResult.vala
+ * 
+ * Result type for feed parsing operations
+ */
+
+public class RSSuper.ParseError : Object {
+    public string message { get; private set; }
+    public int code { get; private set; }
+
+    public ParseError(string message, int code = 0) {
+        this.message = message;
+        this.code = code;
+    }
+}
+
+public class RSSuper.ParseResult : Object {
+    private Object? _value;
+    private ParseError? _error;
+    public bool ok { get; private set; }
+    private Type _value_type;
+
+    private ParseResult() {}
+
+    public static ParseResult success(Object value) {
+        var result = new ParseResult();
+        result.ok = true;
+        result._value = value;
+        result._value_type = value.get_type();
+        return result;
+    }
+
+    public static ParseResult error(string message, int code = 0) {
+        var result = new ParseResult();
+        result.ok = false;
+        result._error = new ParseError(message, code);
+        return result;
+    }
+
+    public Object? get_value() {
+        return this._value;
+    }
+
+    public T? get_value_as<T>() {
+        if (!ok) {
+            return null;
+        }
+        if (_value is T) {
+            return (T)_value;
+        }
+        return null;
+    }
+
+    public ParseError? get_error() {
+        return this._error;
+    }
+
+    public bool is_type<T>() {
+        return ok && _value_type == typeof(T);
+    }
+}