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More comments and cleanup. Added special feature provider for movies

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LukePulverenti Luke Pulverenti luke pulverenti
2012-08-23 16:51:10 -04:00
parent 8d693fd2ab
commit f218e6b583
29 changed files with 199 additions and 54 deletions
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61
MediaBrowser.Controller/IO/FileData.cs
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@@ -1,32 +1,61 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.ConstrainedExecution;
using Microsoft.Win32.SafeHandles;
using System.Collections.Generic;
using System.Linq;
namespace MediaBrowser.Controller.IO
{
/// <summary>
/// Provides low level File access that is much faster than the File/Directory api's
/// </summary>
public static class FileData
{
public const int MAX_PATH = 260;
public const int MAX_ALTERNATE = 14;
public static WIN32_FIND_DATA GetFileData(string fileName)
/// <summary>
/// Gets information about a path
/// </summary>
public static WIN32_FIND_DATA GetFileData(string path)
{
WIN32_FIND_DATA data;
IntPtr handle = FindFirstFile(fileName, out data);
IntPtr handle = FindFirstFile(path, out data);
if (handle == IntPtr.Zero)
throw new IOException("FindFirstFile failed");
FindClose(handle);
data.Path = fileName;
data.Path = path;
return data;
}
/// <summary>
/// Gets all file system entries within a foler
/// </summary>
public static IEnumerable<WIN32_FIND_DATA> GetFileSystemEntries(string path, string searchPattern)
{
return GetFileSystemEntries(path, searchPattern, true, true);
}
/// <summary>
/// Gets all files within a folder
/// </summary>
public static IEnumerable<WIN32_FIND_DATA> GetFiles(string path, string searchPattern)
{
return GetFileSystemEntries(path, searchPattern, true, false);
}
/// <summary>
/// Gets all sub-directories within a folder
/// </summary>
public static IEnumerable<WIN32_FIND_DATA> GetDirectories(string path, string searchPattern)
{
return GetFileSystemEntries(path, searchPattern, false, true);
}
/// <summary>
/// Gets all file system entries within a foler
/// </summary>
public static IEnumerable<WIN32_FIND_DATA> GetFileSystemEntries(string path, string searchPattern, bool includeFiles, bool includeDirectories)
{
string lpFileName = Path.Combine(path, searchPattern);
@@ -43,14 +72,14 @@ namespace MediaBrowser.Controller.IO
yield break;
}
if (IsValid(lpFindFileData.cFileName))
if (IncludeInOutput(lpFindFileData.cFileName, lpFindFileData.dwFileAttributes, includeFiles, includeDirectories))
{
yield return lpFindFileData;
}
while (FindNextFile(handle, out lpFindFileData) != IntPtr.Zero)
{
if (IsValid(lpFindFileData.cFileName))
if (IncludeInOutput(lpFindFileData.cFileName, lpFindFileData.dwFileAttributes, includeFiles, includeDirectories))
{
lpFindFileData.Path = Path.Combine(path, lpFindFileData.cFileName);
yield return lpFindFileData;
@@ -60,7 +89,7 @@ namespace MediaBrowser.Controller.IO
FindClose(handle);
}
private static bool IsValid(string cFileName)
private static bool IncludeInOutput(string cFileName, FileAttributes attributes, bool includeFiles, bool includeDirectories)
{
if (cFileName.Equals(".", StringComparison.OrdinalIgnoreCase))
{
@@ -71,6 +100,16 @@ namespace MediaBrowser.Controller.IO
return false;
}
if (!includeFiles && !attributes.HasFlag(FileAttributes.Directory))
{
return false;
}
if (!includeDirectories && attributes.HasFlag(FileAttributes.Directory))
{
return false;
}
return true;
}