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//
// RoslynTypeSystemService.cs
//
// Author:
// Mike Krüger <mkrueger@xamarin.com>
//
// Copyright (c) 2014 Xamarin Inc. (http://xamarin.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 Microsoft.CodeAnalysis;
using System.Linq;
using System.IO;
using MonoDevelop.Core;
using System.Collections.Generic;
using System.Threading;
using System.Reflection;
using MonoDevelop.Ide.Editor;
using MonoDevelop.Core.Text;
using Microsoft.CodeAnalysis.Text;
namespace MonoDevelop.Ide.TypeSystem
{
class MonoDevelopSourceText : SourceText
{
readonly ITextSource doc;
public override System.Text.Encoding Encoding {
get {
return doc.Encoding;
}
}
public MonoDevelopSourceText (ITextSource doc)
{
if (doc == null)
throw new ArgumentNullException ("doc");
this.doc = doc;
}
#region implemented abstract members of SourceText
public override void CopyTo (int sourceIndex, char[] destination, int destinationIndex, int count)
{
while (count --> 0) {
destination[destinationIndex++] = doc.GetCharAt (sourceIndex++);
}
}
public override int Length {
get {
return doc.Length;
}
}
public override char this [int index] {
get {
return doc.GetCharAt (index);
}
}
#endregion
}
class MonoDevelopSourceTextContainer : SourceTextContainer
{
readonly ITextDocument document;
public DocumentId Id {
get;
private set;
}
public MonoDevelopSourceTextContainer (DocumentId documentId, ITextDocument document) : this (document)
{
this.Id = documentId;
}
public MonoDevelopSourceTextContainer (ITextDocument document)
{
this.document = document;
this.document.TextChanging += HandleTextReplacing;
}
~MonoDevelopSourceTextContainer ()
{
document.TextChanging -= HandleTextReplacing;
}
void HandleTextReplacing (object sender, MonoDevelop.Core.Text.TextChangeEventArgs e)
{
var handler = TextChanged;
if (handler != null) {
var oldText = CurrentText;
var newText = oldText.Replace (e.Offset, e.RemovalLength, e.InsertedText.Text);
handler (this, new Microsoft.CodeAnalysis.Text.TextChangeEventArgs (oldText, newText, new TextChangeRange(TextSpan.FromBounds (e.Offset, e.Offset + e.RemovalLength), e.InsertionLength)));
}
}
#region implemented abstract members of SourceTextContainer
public override SourceText CurrentText {
get {
return new MonoDevelopSourceText (document.CreateSnapshot ());
}
}
public override event EventHandler<Microsoft.CodeAnalysis.Text.TextChangeEventArgs> TextChanged;
#endregion
}
}
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