137 lines
4.0 KiB
C#
137 lines
4.0 KiB
C#
//
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// MetadataReference.cs: Represents a metadata reference in expression.
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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) 2005 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.Collections.Generic;
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using System.Text;
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using Microsoft.Build.Framework;
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using Microsoft.Build.Utilities;
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namespace Microsoft.Build.BuildEngine {
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internal class MetadataReference : IReference {
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string itemName;
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string metadataName;
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int start;
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int length;
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string original;
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public MetadataReference (string original, string itemName, string metadataName, int start, int length)
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{
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this.original = original;
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this.itemName = itemName;
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this.metadataName = metadataName;
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this.start = start;
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this.length = length;
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}
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public string ItemName {
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get { return itemName; }
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}
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public string MetadataName {
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get { return metadataName; }
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}
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public bool IsQualified {
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get { return (itemName == null) ? false : true; }
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}
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public int Start {
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get { return start; }
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}
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public int End {
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get { return start + length - 1; }
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}
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public string ConvertToString (Project project, ExpressionOptions options)
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{
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return project.GetMetadataBatched (itemName, metadataName);
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}
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public ITaskItem [] ConvertToITaskItemArray (Project project, ExpressionOptions options)
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{
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List<ITaskItem> items = new List<ITaskItem> ();
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if (IsQualified) {
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// Bucket would have item lists with same metadata values,
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// so just get the value from the first item
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BuildItemGroup group;
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if (project.TryGetEvaluatedItemByNameBatched (itemName, out group))
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BuildItemGroupToITaskItems (group, items, true);
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} else {
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// Get unique metadata values from _all_ item lists
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foreach (BuildItemGroup group in project.GetAllItemGroups ())
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BuildItemGroupToITaskItems (group, items, false);
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}
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return items.Count == 0 ? null : items.ToArray ();
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}
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// Gets metadata values from build item @group and adds as ITaskItem
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// objects to @items
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// @only_one: Batched case, all item lists would have same metadata values,
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// just return first one
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void BuildItemGroupToITaskItems (BuildItemGroup group, List<ITaskItem> items, bool only_one)
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{
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foreach (BuildItem item in group) {
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if (!item.HasMetadata (metadataName))
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continue;
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string metadata = item.GetMetadata (metadataName);
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if (HasTaskItem (items, metadata))
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//return only unique metadata values
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continue;
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items.Add (new TaskItem (metadata));
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if (only_one)
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break;
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}
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}
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private bool HasTaskItem (List<ITaskItem> items, string itemspec)
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{
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foreach (ITaskItem task_item in items)
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if (task_item.ItemSpec == itemspec)
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return true;
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return false;
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}
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public override string ToString ()
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{
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if (IsQualified)
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return String.Format ("%({0}.{1})", itemName, metadataName);
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else
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return String.Format ("%({0})", metadataName);
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}
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public string OriginalString {
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get { return original; }
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}
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}
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}
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