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//
// DirectoryScanner.cs: Class used by BuildItem.
//
// Author:
// Marek Sieradzki (marek.sieradzki@gmail.com)
//
// (C) 2005 Marek Sieradzki
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#if NET_2_0
using System;
using System.Collections.Generic;
using System.IO;
namespace Microsoft.Build.BuildEngine {
internal class DirectoryScanner {
DirectoryInfo baseDirectory;
string includes;
string excludes;
string[] matchedFilenames;
public DirectoryScanner ()
{
}
public void Scan ()
{
Dictionary <string, bool> excludedItems;
List <string> includedItems;
string[] splitInclude, splitExclude;
if (includes == null)
throw new ArgumentNullException ("Includes");
if (excludes == null)
throw new ArgumentNullException ("Excludes");
if (baseDirectory == null)
throw new ArgumentNullException ("BaseDirectory");
excludedItems = new Dictionary <string, bool> ();
includedItems = new List <string> ();
splitInclude = includes.Split (';');
splitExclude = excludes.Split (';');
if (excludes != String.Empty) {
foreach (string si in splitExclude) {
ProcessExclude (si, excludedItems);
}
}
if (includes != String.Empty) {
foreach (string si in splitInclude) {
ProcessInclude (si, excludedItems, includedItems);
}
}
matchedFilenames = includedItems.ToArray ();
}
private void ProcessInclude (string name, Dictionary <string, bool> excludedItems, List <string> includedItems)
{
string[] separatedPath;
FileInfo[] fileInfo;
if (name.IndexOf ('?') == -1 && name.IndexOf ('*') == -1) {
if (!excludedItems.ContainsKey (Path.GetFullPath(name)))
includedItems.Add (name);
} else {
if (name.Split (Path.DirectorySeparatorChar).Length > name.Split (Path.AltDirectorySeparatorChar).Length) {
separatedPath = name.Split (Path.DirectorySeparatorChar);
} else {
separatedPath = name.Split (Path.AltDirectorySeparatorChar);
}
if (separatedPath.Length == 1 && separatedPath [0] == String.Empty)
return;
fileInfo = ParseIncludeExclude (separatedPath, 0, baseDirectory);
foreach (FileInfo fi in fileInfo)
if (!excludedItems.ContainsKey (fi.FullName))
includedItems.Add (fi.FullName);
}
}
private void ProcessExclude (string name, Dictionary <string, bool> excludedItems)
{
string[] separatedPath;
FileInfo[] fileInfo;
if (name.IndexOf ('?') == -1 && name.IndexOf ('*') == -1) {
if (!excludedItems.ContainsKey (Path.GetFullPath (name)))
excludedItems.Add (Path.GetFullPath (name), true);
} else {
if (name.Split (Path.DirectorySeparatorChar).Length > name.Split (Path.AltDirectorySeparatorChar).Length) {
separatedPath = name.Split (Path.DirectorySeparatorChar);
} else {
separatedPath = name.Split (Path.AltDirectorySeparatorChar);
}
if (separatedPath.Length == 1 && separatedPath [0] == String.Empty)
return;
fileInfo = ParseIncludeExclude (separatedPath, 0, baseDirectory);
foreach (FileInfo fi in fileInfo)
if (!excludedItems.ContainsKey (fi.FullName))
excludedItems.Add (fi.FullName, true);
}
}
private FileInfo[] ParseIncludeExclude (string[] input, int ptr, DirectoryInfo directory)
{
if (input.Length > 1 && ptr == 0 && input [0] == String.Empty)
ptr++;
if (input.Length == ptr + 1) {
FileInfo[] fi;
fi = directory.GetFiles (input [ptr]);
return fi;
} else {
DirectoryInfo[] di;
FileInfo[] fi;
List <FileInfo> fileInfos = new List <FileInfo> ();
if (input [ptr] == ".") {
di = new DirectoryInfo [1];
di [0] = directory;
} else if (input [ptr] == "..") {
di = new DirectoryInfo [1];
di [0] = directory.Parent;
} else
di = directory.GetDirectories (input [ptr]);
foreach (DirectoryInfo info in di) {
fi = ParseIncludeExclude (input, ptr + 1, info);
foreach (FileInfo file in fi)
fileInfos.Add (file);
}
fi = new FileInfo [fileInfos.Count];
int i = 0;
foreach (FileInfo file in fileInfos)
fi [i++] = file;
return fi;
}
}
public DirectoryInfo BaseDirectory {
get { return baseDirectory; }
set { baseDirectory = value; }
}
public string Includes {
get { return includes; }
set { includes = value; }
}
public string Excludes {
get { return excludes; }
set { excludes = value; }
}
public string[] MatchedFilenames {
get { return matchedFilenames; }
}
}
}
#endif
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