259 lines
8.8 KiB
C#
259 lines
8.8 KiB
C#
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using System;
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using System.Text;
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namespace Unity.VisualScripting.Dependencies.NCalc
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{
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public abstract class LogicalExpression
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{
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public BinaryExpression And(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.And, this, operand);
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}
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public BinaryExpression And(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.And, this, new ValueExpression(operand));
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}
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public BinaryExpression DividedBy(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.Div, this, operand);
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}
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public BinaryExpression DividedBy(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.Div, this, new ValueExpression(operand));
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}
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public BinaryExpression EqualsTo(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.Equal, this, operand);
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}
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public BinaryExpression EqualsTo(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.Equal, this, new ValueExpression(operand));
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}
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public BinaryExpression GreaterThan(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.Greater, this, operand);
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}
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public BinaryExpression GreaterThan(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.Greater, this, new ValueExpression(operand));
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}
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public BinaryExpression GreaterOrEqualThan(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.GreaterOrEqual, this, operand);
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}
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public BinaryExpression GreaterOrEqualThan(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.GreaterOrEqual, this, new ValueExpression(operand));
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}
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public BinaryExpression LesserThan(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.Lesser, this, operand);
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}
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public BinaryExpression LesserThan(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.Lesser, this, new ValueExpression(operand));
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}
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public BinaryExpression LesserOrEqualThan(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.LesserOrEqual, this, operand);
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}
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public BinaryExpression LesserOrEqualThan(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.LesserOrEqual, this, new ValueExpression(operand));
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}
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public BinaryExpression Minus(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.Minus, this, operand);
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}
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public BinaryExpression Minus(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.Minus, this, new ValueExpression(operand));
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}
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public BinaryExpression Modulo(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.Modulo, this, operand);
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}
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public BinaryExpression Modulo(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.Modulo, this, new ValueExpression(operand));
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}
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public BinaryExpression NotEqual(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.NotEqual, this, operand);
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}
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public BinaryExpression NotEqual(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.NotEqual, this, new ValueExpression(operand));
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}
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public BinaryExpression Or(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.Or, this, operand);
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}
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public BinaryExpression Or(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.Or, this, new ValueExpression(operand));
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}
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public BinaryExpression Plus(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.Plus, this, operand);
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}
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public BinaryExpression Plus(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.Plus, this, new ValueExpression(operand));
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}
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public BinaryExpression Mult(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.Times, this, operand);
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}
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public BinaryExpression Mult(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.Times, this, new ValueExpression(operand));
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}
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public BinaryExpression BitwiseOr(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.BitwiseOr, this, operand);
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}
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public BinaryExpression BitwiseOr(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.BitwiseOr, this, new ValueExpression(operand));
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}
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public BinaryExpression BitwiseAnd(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.BitwiseAnd, this, operand);
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}
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public BinaryExpression BitwiseAnd(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.BitwiseAnd, this, new ValueExpression(operand));
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}
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public BinaryExpression BitwiseXOr(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.BitwiseXOr, this, operand);
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}
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public BinaryExpression BitwiseXOr(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.BitwiseXOr, this, new ValueExpression(operand));
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}
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public BinaryExpression LeftShift(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.LeftShift, this, operand);
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}
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public BinaryExpression LeftShift(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.LeftShift, this, new ValueExpression(operand));
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}
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public BinaryExpression RightShift(LogicalExpression operand)
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{
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return new BinaryExpression(BinaryExpressionType.RightShift, this, operand);
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}
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public BinaryExpression RightShift(object operand)
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{
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return new BinaryExpression(BinaryExpressionType.RightShift, this, new ValueExpression(operand));
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}
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public override string ToString()
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{
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var serializer = new SerializationVisitor();
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Accept(serializer);
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return serializer.Result.ToString().TrimEnd(' ');
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}
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// This method is not just syntactic sugar.
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// It chooses the proper overload of Visit() based on the current type.
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public virtual void Accept(LogicalExpressionVisitor visitor)
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{
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throw new NotImplementedException();
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}
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private const char BS = '\\';
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private static string ExtractString(string text)
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{
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var sb = new StringBuilder(text);
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var startIndex = 1; // Skip initial quote
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var slashIndex = -1;
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while ((slashIndex = sb.ToString().IndexOf(BS, startIndex)) != -1)
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{
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var escapeType = sb[slashIndex + 1];
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switch (escapeType)
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{
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case 'u':
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var hcode = String.Concat(sb[slashIndex + 4], sb[slashIndex + 5]);
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var lcode = String.Concat(sb[slashIndex + 2], sb[slashIndex + 3]);
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var unicodeChar = Encoding.Unicode.GetChars(new[] { Convert.ToByte(hcode, 16), Convert.ToByte(lcode, 16) })[0];
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sb.Remove(slashIndex, 6).Insert(slashIndex, unicodeChar);
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break;
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case 'n':
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sb.Remove(slashIndex, 2).Insert(slashIndex, '\n');
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break;
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case 'r':
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sb.Remove(slashIndex, 2).Insert(slashIndex, '\r');
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break;
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case 't':
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sb.Remove(slashIndex, 2).Insert(slashIndex, '\t');
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break;
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case '\'':
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sb.Remove(slashIndex, 2).Insert(slashIndex, '\'');
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break;
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case '\\':
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sb.Remove(slashIndex, 2).Insert(slashIndex, '\\');
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break;
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default:
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throw new ApplicationException("Unvalid escape sequence: \\" + escapeType);
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}
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startIndex = slashIndex + 1;
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}
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sb.Remove(0, 1);
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sb.Remove(sb.Length - 1, 1);
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return sb.ToString();
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}
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}
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}
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