127 lines
3.1 KiB
C#
127 lines
3.1 KiB
C#
//
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// IcarusConstantExpression.cs - represents an ICARUS literal expression
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//
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// Author:
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// Michael Becker <alcexhim@gmail.com>
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//
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// Copyright (c) 2011-2020 Mike Becker's Software
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using System.Text;
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namespace UniversalEditor.ObjectModels.Icarus.Expressions
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{
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/// <summary>
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/// Represents an ICARUS literal expression.
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/// </summary>
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public class IcarusConstantExpression : IcarusExpression
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{
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public IcarusConstantExpression(string value)
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{
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DataType = IcarusVariableDataType.String;
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Value = value;
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}
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public IcarusConstantExpression(float value)
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{
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DataType = IcarusVariableDataType.Float;
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Value = value;
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}
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public IcarusConstantExpression(float[] value)
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{
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DataType = IcarusVariableDataType.Vector;
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Value = value;
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}
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public IcarusConstantExpression(float x, float y, float z)
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{
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DataType = IcarusVariableDataType.Vector;
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Value = new float[] { x, y, z };
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}
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public IcarusConstantExpression(IcarusVariableDataType value)
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{
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DataType = IcarusVariableDataType.Float;
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Value = value;
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}
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public IcarusConstantExpression(IcarusAffectType value)
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{
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DataType = IcarusVariableDataType.Float;
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Value = value;
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}
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public IcarusConstantExpression(IcarusCameraOperation value)
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{
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DataType = IcarusVariableDataType.Float;
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Value = value;
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}
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public IcarusVariableDataType DataType { get; set; } = IcarusVariableDataType.String;
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public object Value { get; set; } = null;
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protected override bool GetValueInternal(ref object value)
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{
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value = Value;
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return true;
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}
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public override object Clone()
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{
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IcarusConstantExpression clone = null;
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if (Value is string)
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{
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clone = new IcarusConstantExpression((string)Value);
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}
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else if (Value is float)
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{
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clone = new IcarusConstantExpression((float)Value);
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}
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else if (Value is float[])
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{
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clone = new IcarusConstantExpression((float[])Value);
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}
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return clone;
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}
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public override string ToString()
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{
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StringBuilder sb = new StringBuilder();
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switch (DataType)
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{
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case IcarusVariableDataType.Float:
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{
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sb.Append(Value);
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break;
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}
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case IcarusVariableDataType.String:
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{
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sb.Append("\"");
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sb.Append(Value);
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sb.Append("\"");
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break;
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}
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case IcarusVariableDataType.Vector:
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{
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float[] val = (float[])Value;
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for (int i = 0; i < val.Length; i++)
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{
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sb.Append(val[i]);
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if (i < val.Length - 1)
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sb.Append(' ');
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}
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break;
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}
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}
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return sb.ToString();
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}
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}
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}
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