89 lines
2.4 KiB
C#
89 lines
2.4 KiB
C#
//
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// ConditionAndExpression.cs
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//
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// Author:
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// Marek Sieradzki (marek.sieradzki@gmail.com)
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//
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// (C) 2006 Marek Sieradzki
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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using System;
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using System.Xml;
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namespace Microsoft.Build.BuildEngine {
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internal sealed class ConditionAndExpression : ConditionExpression {
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readonly ConditionExpression left;
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readonly ConditionExpression right;
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public ConditionAndExpression (ConditionExpression left, ConditionExpression right)
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{
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this.left = left;
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this.right = right;
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}
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public ConditionExpression Left {
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get { return left; }
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}
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public ConditionExpression Right {
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get { return right; }
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}
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public override bool BoolEvaluate (Project context)
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{
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if (!left.BoolEvaluate (context))
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return false;
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if (!right.BoolEvaluate (context))
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return false;
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return true;
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}
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public override float NumberEvaluate (Project context)
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{
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throw new NotSupportedException ();
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}
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public override string StringEvaluate (Project context)
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{
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throw new NotSupportedException ();
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}
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public override bool CanEvaluateToBool (Project context)
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{
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// Short-circuiting, check only left expr, right
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// would be required only if left == true
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return left.CanEvaluateToBool (context);
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}
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public override bool CanEvaluateToNumber (Project context)
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{
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return false;
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}
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public override bool CanEvaluateToString (Project context)
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{
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return false;
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}
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}
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}
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