191 lines
6.9 KiB
C#
191 lines
6.9 KiB
C#
using System;
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using System.Reflection;
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using System.IO;
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using System.Threading.Tasks;
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using System.Collections.Generic;
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namespace SBRL.Utilities
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{
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/// <summary>
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/// A collection of static methods for manipulating embedded resources.
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/// </summary>
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/// <description>
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/// v0.5, by Starbeamrainbowlabs <feedback@starbeamrainbowlabs.com>
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/// Last updated 8th August 2016.
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/// Licensed under MPL-2.0.
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///
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/// Changelog:
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/// v0.1 (25th July 2016):
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/// - Initial release.
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/// v0.2 (8th August 2016):
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/// - Changed namespace.
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/// v0.3 (21st January 2017):
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/// - Added GetRawReader().
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/// v0.4 (8th April 2017):
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/// - Removed unnecessary using statement.
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/// v0.5 (3rd September 2017):
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/// - Changed namespace
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/// </description>
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public static class EmbeddedFiles
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{
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/// <summary>
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/// An array of the filenames of all the resources embedded in the calling assembly.
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/// </summary>
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/// <value>The resource list.</value>
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public static string[] ResourceList
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{
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get
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{
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return Assembly.GetCallingAssembly().GetManifestResourceNames();
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}
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}
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public static string GetResourceListText()
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{
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StringWriter result = new StringWriter();
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result.WriteLine("Files embedded in {0}:", Assembly.GetCallingAssembly().GetName().Name);
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foreach (string filename in ResourceList)
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result.WriteLine(" - {0}", filename);
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return result.ToString();
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}
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/// <summary>
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/// Writes a list of embedded resources to the Console's standard output.
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/// </summary>
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public static void WriteResourceList()
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{
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Console.WriteLine(GetResourceListText());
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}
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/// <summary>
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/// Gets a StreamReader attached to the specified embedded resource.
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/// </summary>
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/// <param name="filename">The filename of the embedded resource to get a StreamReader of.</param>
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/// <returns>A StreamReader attached to the specified embedded resource.</returns>
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public static StreamReader GetReader(string filename)
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{
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return new StreamReader(GetRawReader(filename));
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}
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/// <summary>
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/// Gets a raw Stream that's attached to the specified embedded resource.
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/// Useful when you want to copy an embedded resource to some other stream.
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/// </summary>
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/// <param name="filename">The path to the embedded resource.</param>
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/// <returns>A raw Stream object attached to the specified file..</returns>
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public static Stream GetRawReader(string filename)
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{
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return Assembly.GetCallingAssembly().GetManifestResourceStream(filename);
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}
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/// <summary>
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/// Gets the specified embedded resource's content as a byte array.
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/// </summary>
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/// <param name="filename">The filename of the embedded resource to get conteent of.</param>
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/// <returns>The specified embedded resource's content as a byte array.</returns>
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public static byte[] ReadAllBytes(string filename)
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{
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// Referencing the Result property will block until the async method completes
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return ReadAllBytesAsync(filename).Result;
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}
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/// <summary>
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/// Gets the specified embedded resource's content as a byte array asynchronously.
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/// </summary>
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/// <param name="filename">The filename of the embedded resource to get conteent of.</param>
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/// <returns>The specified embedded resource's content as a byte array.</returns>
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public static async Task<byte[]> ReadAllBytesAsync(string filename)
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{
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using (Stream resourceStream = Assembly.GetCallingAssembly().GetManifestResourceStream(filename))
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using (MemoryStream temp = new MemoryStream())
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{
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await resourceStream.CopyToAsync(temp);
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return temp.ToArray();
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}
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}
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/// <summary>
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/// Gets all the text stored in the specified embedded resource.
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/// </summary>
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/// <param name="filename">The filename to fetch the content of.</param>
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/// <returns>All the text stored in the specified embedded resource.</returns>
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public static string ReadAllText(string filename)
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{
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using (StreamReader resourceReader = new StreamReader(Assembly.GetCallingAssembly().GetManifestResourceStream(filename)))
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{
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return resourceReader.ReadToEnd();
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}
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}
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/// <summary>
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/// Gets all the text stored in the specified embedded resource asynchronously.
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/// </summary>
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/// <param name="filename">The filename to fetch the content of.</param>
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/// <returns>All the text stored in the specified embedded resource.</returns>
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public static async Task<string> ReadAllTextAsync(string filename)
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{
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using (StreamReader resourceReader = new StreamReader(Assembly.GetCallingAssembly().GetManifestResourceStream(filename)))
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{
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return await resourceReader.ReadToEndAsync();
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}
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}
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/// <summary>
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/// Enumerates the lines of text in the specified embedded resource.
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/// </summary>
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/// <param name="filename">The filename of the embedded resource to enumerate.</param>
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/// <returns>An IEnumerator that enumerates the specified embedded resource.</returns>
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public static IEnumerator<string> EnumerateLines(string filename)
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{
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using (StreamReader resourceReader = new StreamReader(Assembly.GetCallingAssembly().GetManifestResourceStream(filename)))
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{
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string nextLine;
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while ((nextLine = resourceReader.ReadLine()) != null)
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{
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yield return nextLine;
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}
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}
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}
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/// <summary>
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/// Enumerates the lines of text in the specified embedded resource asynchronously.
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/// Each successive call returns a task that, when complete, returns the next line of text stored
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/// in the embedded resource.
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/// </summary>
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/// <param name="filename">The filename of the embedded resource to enumerate.</param>
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/// <returns>An IEnumerator that enumerates the specified embedded resource.</returns>
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public static IEnumerable<Task<string>> EnumerateLinesAsync(string filename)
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{
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using (StreamReader resourceReader = new StreamReader(Assembly.GetCallingAssembly().GetManifestResourceStream(filename)))
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{
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while (!resourceReader.EndOfStream)
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{
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yield return resourceReader.ReadLineAsync();
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}
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}
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}
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/// <summary>
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/// Gets all the lines of text in the specified embedded resource.
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/// You might find EnumerateLines(string filename) more useful depending on your situation.
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/// </summary>
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/// <param name="filename">The filename to obtain the lines of text from.</param>
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/// <returns>A list of lines in the specified embedded resource.</returns>
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public static List<string> GetAllLines(string filename)
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{
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// Referencing the Result property will block until the async method completes
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return GetAllLinesAsync(filename).Result;
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}
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/// <summary>
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/// Gets all the lines of text in the specified embedded resource asynchronously.
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/// </summary>
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/// <param name="filename">The filename to obtain the lines of text from.</param>
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/// <returns>A list of lines in the specified embedded resource.</returns>
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public static async Task<List<string>> GetAllLinesAsync(string filename)
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{
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List<string> lines = new List<string>();
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IEnumerable<Task<string>> lineIterator = EnumerateLinesAsync(filename);
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foreach (Task<string> nextLine in lineIterator)
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{
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lines.Add(await nextLine);
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}
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return lines;
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}
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}
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}
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