mirror of https://github.com/SixLabors/ImageSharp
James South
12 years ago
11 changed files with 114 additions and 64 deletions
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// --------------------------------------------------------------------------------------------------------------------
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// <copyright file="DirectoryInfoExtensions.cs" company="James South">
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// Copyright (c) James South.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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// <summary>
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// Provides extension methods to the <see cref="System.IO.DirectoryInfo" /> type.
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// </summary>
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// --------------------------------------------------------------------------------------------------------------------
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namespace ImageProcessor.Web.Extensions |
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{ |
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using System.Collections.Generic; |
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using System.IO; |
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using System.Linq; |
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/// <summary>
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/// Provides extension methods to the <see cref="System.IO.DirectoryInfo"/> type.
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/// </summary>
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public static class DirectoryInfoExtensions |
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{ |
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/// <summary>
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/// Returns an enumerable collection of directory information that matches a specified search pattern and search subdirectory option.
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/// Will return an empty enumerable on exception. Quick and dirty but does what I need just now.
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/// </summary>
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/// <param name="directoryInfo">
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/// The <see cref="System.IO.DirectoryInfo"/> that this method extends.
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/// </param>
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/// <param name="searchPattern">
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/// The search string to match against the names of directories. This parameter can contain a combination of valid literal path
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/// and wildcard (* and ?) characters (see Remarks), but doesn't support regular expressions. The default pattern is "*", which returns all files.
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/// </param>
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/// <param name="searchOption">
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/// One of the enumeration values that specifies whether the search operation should include only
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/// the current directory or all subdirectories. The default value is TopDirectoryOnly.
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/// </param>
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/// <returns>
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/// An enumerable collection of directories that matches searchPattern and searchOption.
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/// </returns>
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public static IEnumerable<DirectoryInfo> SafeEnumerateDirectories(this DirectoryInfo directoryInfo, string searchPattern = "*", SearchOption searchOption = SearchOption.TopDirectoryOnly) |
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{ |
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IEnumerable<DirectoryInfo> directories; |
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try |
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{ |
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directories = directoryInfo.EnumerateDirectories(searchPattern, searchOption); |
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} |
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catch |
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{ |
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return Enumerable.Empty<DirectoryInfo>(); |
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} |
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return directories; |
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} |
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} |
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} |
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