60 lines
1.6 KiB
C#
60 lines
1.6 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Specialized;
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using System.Runtime.InteropServices;
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using System.Text;
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using Microsoft.Win32;
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namespace BlogServer
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{
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public class Util
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{
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public static IDictionary MakeDictionary(params object[] parameters)
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{
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if ((parameters.Length & 1) != 0)
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throw new ArgumentException("Even number of parameters expected");
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HybridDictionary dict = new HybridDictionary();
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for (int i = 0; i < parameters.Length; i += 2)
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dict[parameters[i]] = parameters[i + 1];
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return dict;
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}
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public static string GetContentTypeForExtension(string extension)
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{
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if (extension == null || extension.Length == 0)
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return null;
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using (RegistryKey key = Registry.ClassesRoot.OpenSubKey(extension))
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{
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if (key == null)
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return null;
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return key.GetValue("Content Type", null) as string;
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}
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}
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public static string GetExtensionForContentType(string contentType)
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{
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if (contentType == null || contentType.Length == 0)
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return null;
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using (RegistryKey key = Registry.ClassesRoot.OpenSubKey(@"MIME\Database\Content Type\" + contentType))
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{
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return key.GetValue("Extension", null) as string;
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}
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}
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public static string PathCanonicalize(string path)
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{
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StringBuilder sb = new StringBuilder(512);
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if (!PathCanonicalize(sb, path))
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throw new ArgumentException("Invalid path: " + path, "path");
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return sb.ToString();
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}
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[DllImport("shlwapi.dll", CharSet=CharSet.Unicode)]
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private static extern bool PathCanonicalize(
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[Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder lpszDst,
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[In, MarshalAs(UnmanagedType.LPWStr)] string lpszSrc);
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}
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}
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