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// ProjectFileCollection.cs
//
// Author:
// Lluis Sanchez Gual <lluis@novell.com>
//
// Copyright (c) 2008 Novell, Inc (http://www.novell.com)
//
// 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.
//
//
using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;
using MonoDevelop.Core;
using System.Collections.Immutable;
namespace MonoDevelop.Projects
{
class ProjectFileNode
{
public SortedList<string, ProjectFileNode> Children { get; private set; }
public ProjectFileNode Parent { get; private set; }
public ProjectFile ProjectFile { get; set; }
public string FileName { get; set; }
public ProjectFileNode () : this (null, string.Empty) { }
public ProjectFileNode (ProjectFileNode parent, ProjectFile file)
{
Children = new SortedList<string, ProjectFileNode> ();
FileName = file.ProjectVirtualPath.FileName;
ProjectFile = file;
Parent = parent;
}
public ProjectFileNode (ProjectFileNode parent, string fileName)
{
Children = new SortedList<string, ProjectFileNode> ();
FileName = fileName;
ProjectFile = null;
Parent = parent;
}
ProjectFileNode Find (string[] path, int pathIndex, bool create)
{
ProjectFileNode child;
if (Children.TryGetValue (path[pathIndex], out child)) {
if (pathIndex + 1 == path.Length)
return child;
return child.Find (path, pathIndex + 1, create);
}
if (create) {
child = new ProjectFileNode (this, path[pathIndex]);
Children.Add (child.FileName, child);
if (pathIndex + 1 == path.Length)
return child;
return child.Find (path, pathIndex + 1, create);
}
return null;
}
public ProjectFileNode Find (string vpath, bool create)
{
if (string.IsNullOrEmpty (vpath))
return this;
var path = vpath.Split (new char[] { Path.DirectorySeparatorChar }, StringSplitOptions.None);
return Find (path, 0, create);
}
public IEnumerable<ProjectFile> EnumerateProjectFiles (bool recursive)
{
foreach (var child in Children.Select (x => x.Value)) {
if (child.ProjectFile != null)
yield return child.ProjectFile;
if (recursive) {
foreach (var pf in child.EnumerateProjectFiles (recursive))
yield return pf;
}
}
yield break;
}
}
[Serializable()]
public class ProjectFileCollection : ProjectItemCollection<ProjectFile>
{
ImmutableDictionary<FilePath, ProjectFile> files;
ProjectFileNode root;
public ProjectFileCollection ()
{
files = ImmutableDictionary<FilePath, ProjectFile>.Empty;
root = new ProjectFileNode ();
}
void ProjectVirtualPathChanged (object sender, ProjectFileVirtualPathChangedEventArgs e)
{
ProjectFileNode node;
// Note: if the OldVirtualPath is null, then it means that a Project was just set on the ProjectFile
// which means that it hasn't yet been added to our VirtualProjectPath tree.
if (e.OldVirtualPath.IsNotNull) {
node = root.Find (e.OldVirtualPath, false);
if (node != null) {
node.Parent.Children.Remove (node.FileName);
PruneEmptyParents (node.Parent);
}
}
node = root.Find (e.NewVirtualPath, true);
node.ProjectFile = e.ProjectFile;
}
void FilePathChanged (object sender, ProjectFilePathChangedEventArgs e)
{
AssertCanWrite ();
ProjectVirtualPathChanged (sender, e);
files = files.Remove (e.OldPath);
files = files.SetItem (e.NewPath, e.ProjectFile);
}
IEnumerable<KeyValuePair<FilePath, ProjectFile>> AddProjectFiles (IEnumerable<ProjectFile> items)
{
foreach (var item in items) {
item.VirtualPathChanged += ProjectVirtualPathChanged;
item.PathChanged += FilePathChanged;
if (item.Project != null) {
// Note: the ProjectVirtualPath is useless unless a Project is specified.
var node = root.Find (item.ProjectVirtualPath, true);
node.ProjectFile = item;
}
yield return new KeyValuePair<FilePath, ProjectFile> (item.FilePath, item);
}
}
void PruneEmptyParents (ProjectFileNode node)
{
if (node.Children.Count > 0 || node.ProjectFile != null || node.Parent == null)
return;
node.Parent.Children.Remove (node.FileName);
PruneEmptyParents (node.Parent);
}
void RemoveProjectFile (ProjectFile item)
{
var node = root.Find (item.ProjectVirtualPath, false);
if (node != null) {
node.Parent.Children.Remove (node.FileName);
PruneEmptyParents (node.Parent);
}
files = files.Remove (item.FilePath);
item.VirtualPathChanged -= ProjectVirtualPathChanged;
item.PathChanged -= FilePathChanged;
}
#region ItemCollection<T>
protected override void OnItemsAdded (IEnumerable<ProjectFile> items)
{
var pairs = AddProjectFiles (items);
files = files.SetItems (pairs);
base.OnItemsAdded (items);
}
protected override void OnItemsRemoved (IEnumerable<ProjectFile> items)
{
foreach (var item in items)
RemoveProjectFile (item);
base.OnItemsRemoved (items);
}
#endregion
public ProjectFile GetFile (FilePath path)
{
if (path.IsNull)
return null;
ProjectFile pf;
if (files.TryGetValue (path.FullPath, out pf))
return pf;
return null;
}
public ProjectFile GetFileWithVirtualPath (string virtualPath)
{
if (string.IsNullOrEmpty (virtualPath))
return null;
var node = root.Find (virtualPath, false);
if (node != null && node.ProjectFile != null)
return node.ProjectFile;
return null;
}
public IEnumerable<ProjectFile> GetFilesInVirtualPath (string virtualPath)
{
if (string.IsNullOrEmpty (virtualPath))
yield break;
var node = root.Find (virtualPath, false);
if (node == null)
yield break;
foreach (var pf in node.EnumerateProjectFiles (true))
yield return pf;
yield break;
}
public ProjectFile[] GetFilesInPath (FilePath path)
{
List<ProjectFile> list = new List<ProjectFile> ();
foreach (ProjectFile file in this) {
if (file.FilePath.IsChildPathOf (path))
list.Add (file);
}
return list.ToArray ();
}
internal void RemoveFilesInPath (FilePath path)
{
SetItems (this.Where (file => !file.FilePath.IsChildPathOf (path)));
}
public void Remove (string fileName)
{
fileName = FileService.GetFullPath (fileName);
for (int n = 0; n < Count; n++) {
if (this[n].Name == fileName) {
RemoveAt (n);
break;
}
}
}
}
}
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