50 lines
2.4 KiB
C#
50 lines
2.4 KiB
C#
namespace FluidExplorer.Services.Icons;
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/// <summary>
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/// 外壳解析名（parsing name）的小工具。
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/// 资源管理器/地址栏里出现的 "shell:RecycleBinFolder"、"{20D04FE0-3AEA-1069-A2D8-08002B30309D}"（此电脑）
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/// 都不是文件系统路径，必须先经 SHParseDisplayName 解析成 PIDL 才能取图标。
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/// </summary>
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internal static class ShellParsingName
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{
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/// <summary>"shell:" 前缀（大小写不敏感）。</summary>
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internal const string ShellPrefix = "shell:";
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/// <summary>是不是 "shell:xxx" 形式的解析名。</summary>
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internal static bool IsShellPrefix(string? parsingName)
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=> !string.IsNullOrEmpty(parsingName)
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&& parsingName.StartsWith(ShellPrefix, StringComparison.OrdinalIgnoreCase);
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/// <summary>是不是 "::{CLSID}" 形式的解析名（此电脑、回收站等已知外壳对象的经典写法）。</summary>
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internal static bool IsGuidPidl(string? parsingName)
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=> !string.IsNullOrEmpty(parsingName)
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&& parsingName.StartsWith("::", StringComparison.Ordinal);
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/// <summary>本工程支持的外壳解析名（取图标时可以走 PIDL 路径）。</summary>
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internal static bool IsParsingName(string? parsingName)
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=> IsShellPrefix(parsingName) || IsGuidPidl(parsingName);
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/// <summary>补全 "shell:" 前缀：传入 "RecycleBinFolder" 也能用。</summary>
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internal static string Normalize(string parsingName)
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{
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if (string.IsNullOrWhiteSpace(parsingName)) return string.Empty;
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string trimmed = parsingName.Trim();
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return IsParsingName(trimmed) ? trimmed : ShellPrefix + trimmed;
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}
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// 常用已知外壳文件夹的解析名（全部是 Windows 自带原版对象）
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internal const string RecycleBin = "shell:RecycleBinFolder";
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internal const string ThisPcClassic = "::{20D04FE0-3AEA-1069-A2D8-08002B30309D}";
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internal const string ThisPc = "shell:MyComputerFolder";
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internal const string Network = "shell:NetworkPlacesFolder";
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internal const string UserProfile = "shell:UserProfile";
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internal const string Desktop = "shell:Desktop";
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internal const string Downloads = "shell:Downloads";
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internal const string Documents = "shell:Personal";
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internal const string Pictures = "shell:MyPictures";
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internal const string Music = "shell:MyMusic";
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internal const string Videos = "shell:MyVideos";
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internal const string ControlPanel = "shell:ControlPanelFolder";
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}
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