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//
// ProjectItem.cs
//
// Author:
// Lluis Sanchez Gual <lluis@novell.com>
//
// Copyright (c) 2009 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.Collections;
using System.Collections.Generic;
using MonoDevelop.Core.Serialization;
using MonoDevelop.Projects.MSBuild;
using System.Linq;
namespace MonoDevelop.Projects
{
public class ProjectItem: IExtendedDataItem
{
Project project;
Hashtable extendedProperties;
ProjectItemMetadata metadata;
static Dictionary<Type,HashSet<string>> knownMetadataCache = new Dictionary<Type, HashSet<string>> ();
public ProjectItem ()
{
ItemName = MSBuildProjectService.GetNameForProjectItem (GetType());
}
public Project Project {
get {
return project;
}
// HACK: internal
set {
project = value;
OnProjectSet ();
}
}
public IDictionary ExtendedProperties {
get {
if (extendedProperties == null)
extendedProperties = new Hashtable ();
return extendedProperties;
}
}
MSBuildItem backingItem;
internal MSBuildItem BackingItem {
get {
return backingItem;
}
set {
backingItem = value;
UnevaluatedInclude = backingItem?.Include;
}
}
IMSBuildItemEvaluated backingEvalItem;
internal IMSBuildItemEvaluated BackingEvalItem {
get { return backingEvalItem; }
set {
backingEvalItem = value;
var source = backingEvalItem?.SourceItems.FirstOrDefault ();
IsFromWildcardItem = source != null && source.IsWildcardItem;
}
}
internal bool IsFromWildcardItem { get; private set; }
internal MSBuildItem WildcardItem {
get {
return backingEvalItem?.SourceItems.FirstOrDefault ();
}
}
internal string Condition { get; set; }
public string ItemName { get; protected set; }
public virtual string Include { get; protected set; }
public string UnevaluatedInclude { get; protected set; }
public ProjectItemFlags Flags { get; set; }
public ProjectItemMetadata Metadata {
get {
if (metadata == null)
metadata = new ProjectItemMetadata ();
return metadata;
}
}
public bool IsHidden {
get { return (Flags & ProjectItemFlags.Hidden) == ProjectItemFlags.Hidden; }
}
public bool IsImported {
get { return backingEvalItem?.IsImported == true; }
}
internal protected virtual void Read (Project project, IMSBuildItemEvaluated buildItem)
{
ItemName = buildItem.Name;
Include = buildItem.Include;
UnevaluatedInclude = buildItem.UnevaluatedInclude;
Condition = buildItem.Condition;
metadata = null;
if (buildItem.SourceItem != null) {
HashSet<string> knownProps = GetKnownMetadata ();
foreach (var prop in buildItem.Metadata.GetProperties ()) {
if (!knownProps.Contains (prop.Name)) {
if (metadata == null)
metadata = new ProjectItemMetadata (project.MSBuildProject);
// Get the evaluated value for the original metadata property
var p = new ItemMetadataProperty (prop.Name, buildItem.Metadata.GetValue (prop.Name), prop.UnevaluatedValue) { Condition = prop.Condition };
p.ParentProject = project.MSBuildProject;
metadata.AddProperty (p);
}
}
if (metadata != null)
metadata.OnLoaded ();
}
buildItem.Metadata.ReadObjectProperties (this, GetType (), true);
}
internal protected virtual void Write (Project project, MSBuildItem buildItem)
{
buildItem.Condition = Condition;
buildItem.Metadata.WriteObjectProperties (this, GetType(), true);
if (metadata != null) {
metadata.SetProject (buildItem.ParentProject);
foreach (MSBuildProperty prop in metadata.GetProperties ()) {
// Use the UnevaluatedValue because if the property has changed, UnevaluatedValue will contain
// the new value, and if not, it will contain the old unevaluated value
buildItem.Metadata.SetValue (prop.Name, prop.UnevaluatedValue, condition:prop.Condition);
}
}
}
/// <summary>
/// Gets a list of metadata properties which are read and written by this item, so they don't
/// have to be stored in the generic Metadata dictionary
/// </summary>
/// <returns>The known metadata properties.</returns>
protected virtual IEnumerable<string> GetKnownMetadataProperties ()
{
DataSerializer ser = new DataSerializer (Services.ProjectService.DataContext);
var props = Services.ProjectService.DataContext.GetProperties (ser.SerializationContext, this);
foreach (var prop in props)
if (!prop.IsExternal)
yield return prop.Name;
}
HashSet<string> GetKnownMetadata ()
{
HashSet<string> mset;
lock (knownMetadataCache) {
if (!knownMetadataCache.TryGetValue (GetType (), out mset))
knownMetadataCache [GetType()] = mset = new HashSet<string> (GetKnownMetadataProperties ());
}
return mset;
}
/// <summary>
/// Invoked when the project to which the item belongs changes.
/// </summary>
protected virtual void OnProjectSet ()
{
}
}
public class UnknownProjectItem: ProjectItem
{
public UnknownProjectItem (string name, string include)
{
this.ItemName = name;
this.Include = include;
}
}
[Flags]
public enum ProjectItemFlags
{
None = 0,
/// <summary>
/// The item is for internal use and will not be shown to the user
/// </summary>
Hidden = 1,
/// <summary>
/// The item will not be saved to the project file
/// </summary>
DontPersist = 2
}
}
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