コード例 #1
0
ファイル: JsExpression.cs プロジェクト: Xasanali/ServiceStack
        public static StringSegment ParseJsExpression(this StringSegment literal, out JsToken token, bool filterExpression)
        {
            var peekLiteral = literal.ParseJsToken(out var token1, filterExpression: filterExpression);

            peekLiteral = peekLiteral.AdvancePastWhitespace();

            if (peekLiteral.IsNullOrEmpty())
            {
                token = token1;
                return(peekLiteral);
            }

            var peekChar = peekLiteral.GetChar(0);

            if (JsTokenUtils.ExpressionTerminator.Contains(peekChar))
            {
                token = token1;
                return(peekLiteral);
            }

            if (token1 is JsSubtraction)
            {
                token1 = JsMinus.Operator;
            }
            if (token1 is JsAddition)
            {
                token1 = JsPlus.Operator;
            }

            if (token1 is JsUnaryOperator u)
            {
                literal = peekLiteral.ParseJsToken(out var token2, filterExpression: filterExpression);
                token   = new JsUnaryExpression(u, token2);
                return(literal);
            }

            peekLiteral = peekLiteral.AdvancePastWhitespace();

            if (!peekLiteral.IsNullOrEmpty())
            {
                if (filterExpression && peekLiteral.Length > 2)
                {
                    if ((peekLiteral.GetChar(0) == '|' && peekLiteral.GetChar(1) != '|') || (peekLiteral.GetChar(0) == '}' && peekLiteral.GetChar(1) == '}'))
                    {
                        token = token1;
                        return(peekLiteral);
                    }
                }
            }

            peekLiteral = peekLiteral.ParseJsToken(out JsToken op, filterExpression: filterExpression);

            if (op is JsAssignment)
            {
                op = JsEquals.Operator;
            }

            if (op is JsBinaryOperator)
            {
                literal = literal.ParseBinaryExpression(out var expr, filterExpression);
                token   = expr;
                return(literal);
            }

            token = token1;
            return(peekLiteral);
        }
コード例 #2
0
 protected bool Equals(JsUnaryExpression other) => Equals(Operator, other.Operator) && Equals(Argument, other.Argument);