[xbuild] DirectoryScanner.HasWildcard - new method
[mono.git] / mcs / class / Microsoft.Build.Engine / Microsoft.Build.BuildEngine / DirectoryScanner.cs
index e7082bc71c4455b0c7c87b02d68b82b53ec5afcd..d9c7345c4657dd93beae390b1d5b165402ccbe62 100644 (file)
 #if NET_2_0
 
 using System;
-using System.Collections;
+using System.Collections.Generic;
 using System.IO;
 
+using Microsoft.Build.Framework;
+using Microsoft.Build.Utilities;
+
 namespace Microsoft.Build.BuildEngine {
        internal class DirectoryScanner {
                
                DirectoryInfo   baseDirectory;
-               string          includes;
-               string          excludes;
-               string[]        matchedFilenames;
+               ITaskItem[]     includes, excludes;
+               ITaskItem[]     matchedItems;
+
+               static bool _runningOnWindows;
                
+               static DirectoryScanner ()
+               {
+                       PlatformID pid = Environment.OSVersion.Platform;
+                       _runningOnWindows =((int) pid != 128 && (int) pid != 4 && (int) pid != 6);
+               }
+
                public DirectoryScanner ()
                {
                }
                
                public void Scan ()
                {
-                       Hashtable excludedItems;
-                       ArrayList includedItems;
-                       string[] splittedInclude, splittedExclude;
+                       Dictionary <string, bool> excludedItems;
+                       List <ITaskItem> includedItems;
                        
                        if (includes == null)
                                throw new ArgumentNullException ("Includes");
-                       if (excludes == null)
-                               throw new ArgumentNullException ("Excludes");
                        if (baseDirectory == null)
                                throw new ArgumentNullException ("BaseDirectory");
                        
-                       excludedItems = new Hashtable ();
-                       includedItems = new ArrayList ();
-                       
-                       splittedInclude = includes.Split (';');
-                       splittedExclude = excludes.Split (';');
+                       excludedItems = new Dictionary <string, bool> ();
+                       includedItems = new List <ITaskItem> ();
                        
-                       if (excludes != String.Empty) {
-                               foreach (string si in splittedExclude) {
-                                       ProcessExclude (si, excludedItems);
-                               }
-                       }
-                       if (includes != String.Empty) {
-                               foreach (string si in splittedInclude) {
-                                       ProcessInclude (si, excludedItems, includedItems);
-                               }
-                       }
+                       if (excludes != null)
+                               foreach (ITaskItem excl in excludes)
+                                       ProcessExclude (excl.ItemSpec, excludedItems);
 
-                       matchedFilenames = (string[])includedItems.ToArray (typeof (string));
+                       foreach (ITaskItem include_item in includes)
+                               ProcessInclude (include_item, excludedItems, includedItems);
+
+                       matchedItems = includedItems.ToArray ();
                }
                
-               private void ProcessInclude (string name, Hashtable excludedItems, ArrayList includedItems)
+               private void ProcessInclude (ITaskItem include_item, Dictionary <string, bool> excludedItems,
+                               List <ITaskItem> includedItems)
                {
                        string[] separatedPath;
                        FileInfo[] fileInfo;
 
-                       if (name.IndexOf ('?') == -1 && name.IndexOf ('*') == -1) {
-                               if (!excludedItems.Contains (Path.GetFullPath(name)))
-                                       includedItems.Add (name);
+                       string name = include_item.ItemSpec;
+                       if (!HasWildcard (name)) {
+                               if (!excludedItems.ContainsKey (Path.GetFullPath(name)))
+                                       includedItems.Add (include_item);
                        } else {
                                if (name.Split (Path.DirectorySeparatorChar).Length > name.Split (Path.AltDirectorySeparatorChar).Length) {
-                                       separatedPath = name.Split (Path.DirectorySeparatorChar);
+                                       separatedPath = name.Split (new char [] {Path.DirectorySeparatorChar},
+                                                       StringSplitOptions.RemoveEmptyEntries);
                                } else {
-                                       separatedPath = name.Split (Path.AltDirectorySeparatorChar);
+                                       separatedPath = name.Split (new char [] {Path.AltDirectorySeparatorChar},
+                                                       StringSplitOptions.RemoveEmptyEntries);
                                }
                                if (separatedPath.Length == 1 && separatedPath [0] == String.Empty)
                                        return;
-                               fileInfo = ParseIncludeExclude (separatedPath, 0, baseDirectory);
-                               foreach (FileInfo fi in fileInfo)
-                                       if (!excludedItems.Contains (fi.FullName))
-                                               includedItems.Add (fi.FullName);
+
+                               int offset = 0;
+                               if (Path.IsPathRooted (name)) {
+                                       baseDirectory = new DirectoryInfo (Path.GetPathRoot (name));
+                                       if (IsRunningOnWindows)
+                                               // skip the "drive:"
+                                               offset = 1;
+                               }
+
+                               string full_path = Path.GetFullPath (Path.Combine (Environment.CurrentDirectory, include_item.ItemSpec));
+                               fileInfo = ParseIncludeExclude (separatedPath, offset, baseDirectory);
+
+                               int wildcard_offset = full_path.IndexOf ("**");
+                               foreach (FileInfo fi in fileInfo) {
+                                       if (!excludedItems.ContainsKey (fi.FullName)) {
+                                               TaskItem item = new TaskItem (include_item);
+                                               item.ItemSpec = fi.FullName;
+                                               if (wildcard_offset >= 0) {
+                                                       string rec_dir = Path.GetDirectoryName (fi.FullName.Substring (wildcard_offset));
+                                                       if (rec_dir.Length > 0)
+                                                               rec_dir += Path.DirectorySeparatorChar;
+                                                       item.SetMetadata ("RecursiveDir", rec_dir);
+                                               }
+                                               includedItems.Add (item);
+                                       }
+                               }
                        }
                }
                
-               private void ProcessExclude (string name, Hashtable excludedItems)
+               private void ProcessExclude (string name, Dictionary <string, bool> excludedItems)
                {
                        string[] separatedPath;
                        FileInfo[] fileInfo;
                        
                        if (name.IndexOf ('?') == -1 && name.IndexOf ('*') == -1) {
-                               if (!excludedItems.Contains (Path.GetFullPath (name)))
-                                       excludedItems.Add (Path.GetFullPath (name), null);
+                               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);
+                                       separatedPath = name.Split (new char [] {Path.DirectorySeparatorChar},
+                                                                       StringSplitOptions.RemoveEmptyEntries);
                                } else {
-                                       separatedPath = name.Split (Path.AltDirectorySeparatorChar);
+                                       separatedPath = name.Split (new char [] {Path.AltDirectorySeparatorChar},
+                                                                       StringSplitOptions.RemoveEmptyEntries);
                                }
                                if (separatedPath.Length == 1 && separatedPath [0] == String.Empty)
                                        return;
-                               fileInfo = ParseIncludeExclude (separatedPath, 0, baseDirectory);
+
+                               int offset = 0;
+                               if (Path.IsPathRooted (name)) {
+                                       baseDirectory = new DirectoryInfo (Path.GetPathRoot (name));
+                                       if (IsRunningOnWindows)
+                                               // skip the "drive:"
+                                               offset = 1;
+                               }
+                               fileInfo = ParseIncludeExclude (separatedPath, offset, baseDirectory);
                                foreach (FileInfo fi in fileInfo)
-                                       if (!excludedItems.Contains (fi.FullName))
-                                               excludedItems.Add (fi.FullName, null);
+                                       if (!excludedItems.ContainsKey (fi.FullName))
+                                               excludedItems.Add (fi.FullName, true);
                        }
                }
                
@@ -133,15 +169,35 @@ namespace Microsoft.Build.BuildEngine {
                        } else {
                                DirectoryInfo[] di;
                                FileInfo[] fi;
-                               ArrayList fileInfos = new ArrayList ();
+                               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
+                               } else if (input[ptr] == "**")
+                               {
+                                       // Read this directory and all subdirectories recursive
+                                       Stack<DirectoryInfo> currentDirectories = new Stack<DirectoryInfo>();                                   
+                                       currentDirectories.Push(directory);
+                                       List<DirectoryInfo> allDirectories = new List<DirectoryInfo>();
+                                       
+                                       while (currentDirectories.Count > 0)
+                                       {
+                                               DirectoryInfo current = currentDirectories.Pop();
+                                               allDirectories.Insert (0, current);
+                                               foreach (DirectoryInfo dir in current.GetDirectories())
+                                               {
+                                                       currentDirectories.Push(dir);
+                                               }                                               
+                                       }
+                                       
+                                       // No further directories shall be read
+                                       di = allDirectories.ToArray();                                  
+                               } else {
                                        di = directory.GetDirectories (input [ptr]);
+                               }
                                foreach (DirectoryInfo info in di) {
                                        fi = ParseIncludeExclude (input, ptr + 1, info);
                                        foreach (FileInfo file in fi)
@@ -154,26 +210,34 @@ namespace Microsoft.Build.BuildEngine {
                                return fi;
                        }
                }
+
+               public static bool HasWildcard (string expression)
+               {
+                       return expression.IndexOf ('?') >= 0 || expression.IndexOf ('*') >= 0;
+               }
                
                public DirectoryInfo BaseDirectory {
                        get { return baseDirectory; }
                        set { baseDirectory = value; }
                }
                
-               public string Includes {
+               public ITaskItem[] Includes {
                        get { return includes; }
                        set { includes = value; }
                }
                
-               public string Excludes {
+               public ITaskItem[] Excludes {
                        get { return excludes; }
                        set { excludes = value; }
                }
                
-               public string[] MatchedFilenames {
-                       get { return matchedFilenames; }
+               public ITaskItem[] MatchedItems {
+                       get { return matchedItems; }
                }
                
+               static bool IsRunningOnWindows {
+                       get { return _runningOnWindows; }
+               }
        }
 }