94 строки
2.1 KiB
C#
94 строки
2.1 KiB
C#
using System;
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using Microsoft.Build.Framework;
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using Microsoft.Build.Utilities;
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using Xamarin.MacDev;
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namespace Xamarin.MacDev.Tasks
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{
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public abstract class GetPropertyListValueTaskBase : Task
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{
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#region Inputs
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[Required]
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public string PropertyListFile { get; set; }
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[Required]
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public string Property { get; set; }
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#endregion Inputs
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#region Outputs
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[Output]
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public string Value { get; set; }
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#endregion Outputs
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public override bool Execute ()
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{
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PArray array = null;
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PDictionary dict;
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PObject value;
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string[] path;
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int i = 0;
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path = Property.TrimStart (':').Split (new [] { ':' });
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if (path.Length == 0) {
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Log.LogError ("No property specified.");
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return false;
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}
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try {
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value = dict = PDictionary.FromFile (PropertyListFile);
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} catch (Exception ex) {
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Log.LogError ("Error loading '{0}': {1}", PropertyListFile, ex.Message);
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return false;
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}
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do {
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if (dict != null) {
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if (!dict.TryGetValue (path[i], out value)) {
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var item = i > 0 ? string.Join ("/", path, 0, i - 1) : PropertyListFile;
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Log.LogError ("The dictionary at '{0}' did not contain the key: {1}", item, path[i]);
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return false;
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}
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} else if (array != null) {
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int arrayIndex;
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if (!int.TryParse (path[i], out arrayIndex)) {
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Log.LogError ("Could not parse array index: {0}", path[i]);
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return false;
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}
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if (arrayIndex < 0 || arrayIndex >= array.Count) {
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var item = i > 0 ? string.Join ("/", path, 0, i - 1) : PropertyListFile;
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Log.LogError ("Array index out of range for item '{0}'", item);
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return false;
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}
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value = array[arrayIndex];
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} else {
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Log.LogError ("{0} values do not support child properties.", value.Type);
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return false;
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}
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dict = value as PDictionary;
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array = value as PArray;
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i++;
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} while (i < path.Length);
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if (array != null || dict != null) {
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Log.LogError ("Getting {0} values is not supported.", value.Type.ToString ().ToLowerInvariant ());
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return false;
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}
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Value = value.ToString ();
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return !Log.HasLoggedErrors;
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}
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}
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}
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