93 lines
3.4 KiB
C#
93 lines
3.4 KiB
C#
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using System;
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using System.IO;
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using PCL.Core.Utils.OS;
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using Special = System.Environment.SpecialFolder;
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namespace PCL.Core.App;
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/// <summary>
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/// Application global paths.<br/>
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/// <b>NOTE</b>: The behaviors of all path strings depends on <see cref="Path"/> API provided by
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/// .NET standard library. You should use <see cref="Path"/> and other APIs relative to it to process
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/// any path string from this service, rather than concat paths manually.
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/// </summary>
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public static class Paths
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{
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/// <summary>
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/// The default directory used for relative path combining.
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/// </summary>
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public static string DefaultDirectory => Basics.ExecutableDirectory;
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private static string _data;
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private static string _sharedData;
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private static string _sharedLocalData;
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private static string _temp;
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/// <summary>
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/// Per-instance data directory.
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/// </summary>
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public static string Data { get => _data; set => _data = value; }
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/// <summary>
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/// Shared synchronized data directory.
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/// </summary>
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public static string SharedData { get => _sharedData; set => _sharedData = value; }
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/// <summary>
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/// Shared synchronized data directory of old versions.<br/>
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/// Keep the value just for migration, DO NOT USE IT.
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/// </summary>
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public static string OldSharedData { get; set; }
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/// <summary>
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/// Shared local data directory, used to put some large files that can be released or downloaded back anytime.
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/// </summary>
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public static string SharedLocalData { get => _sharedLocalData; set => _sharedLocalData = value; }
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/// <summary>
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/// Temporary files directory (can be deleted anytime, except when the program is running).
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/// </summary>
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public static string Temp { get => _temp; set => _temp = value; }
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/// <summary>
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/// Get path string relative to a special folder.
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/// </summary>
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/// <param name="folder">the special folder</param>
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/// <param name="relative">the relative path</param>
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/// <returns>the path string relative to the special folder</returns>
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public static string GetSpecialPath(Special folder, string relative)
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{
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var folderPath = Environment.GetFolderPath(folder);
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return Path.Combine(folderPath, relative);
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}
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static Paths()
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{
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#if DEBUG
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const string name = "PCLCE_Debug";
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const string oldName = ".PCLCEDebug";
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#else
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const string name = "PCLCE";
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const string oldName = ".PCLCE";
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#endif
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// fill paths
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_data = Path.Combine(DefaultDirectory, "PCL");
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_sharedData = GetSpecialPath(Special.ApplicationData, name);
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_sharedLocalData = GetSpecialPath(Special.LocalApplicationData, name);
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_temp = Path.Combine(Path.GetTempPath(), name);
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OldSharedData = GetSpecialPath(Special.ApplicationData, oldName);
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#if DEBUG
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// read environment variables
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EnvironmentInterop.ReadVariable("PCL_PATH", ref _data);
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EnvironmentInterop.ReadVariable("PCL_PATH_SHARED", ref _sharedData);
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EnvironmentInterop.ReadVariable("PCL_PATH_LOCAL", ref _sharedLocalData);
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EnvironmentInterop.ReadVariable("PCL_PATH_TEMP", ref _temp);
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#endif
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// create directories
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Directory.CreateDirectory(_data);
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Directory.CreateDirectory(_sharedData);
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Directory.CreateDirectory(_sharedLocalData);
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Directory.CreateDirectory(_temp);
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}
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}
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