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//
// MonoDevelopSourceText.cs
//
// Author:
// Mike Krüger <mkrueger@xamarin.com>
//
// Copyright (c) 2016 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
{
sealed class MonoDevelopSourceText : SourceText
{
readonly ITextSource doc;
TextLineCollectionWrapper wrapper;
public override System.Text.Encoding Encoding {
get {
return doc.Encoding;
}
}
public MonoDevelopSourceText (ITextSource doc)
{
if (doc == null)
throw new ArgumentNullException (nameof (doc));
this.doc = doc;
}
protected override TextLineCollection GetLinesCore ()
{
var textDoc = doc as IReadonlyTextDocument;
if (textDoc != null) {
if (wrapper == null)
wrapper = new TextLineCollectionWrapper (this, textDoc);
return wrapper;
}
return base.GetLinesCore ();
}
class TextLineCollectionWrapper : TextLineCollection
{
readonly MonoDevelopSourceText parent;
readonly IReadonlyTextDocument textDoc;
public TextLineCollectionWrapper (MonoDevelopSourceText parent, IReadonlyTextDocument textDoc)
{
this.parent = parent;
this.textDoc = textDoc;
}
public override int Count {
get {
return textDoc.LineCount;
}
}
public override TextLine this[int index] {
get {
var line = textDoc.GetLine (index + 1);
return TextLine.FromSpan (parent, new TextSpan(line.Offset, line.Length));
}
}
public override TextLine GetLineFromPosition (int position)
{
var line = textDoc.GetLineByOffset (position);
return TextLine.FromSpan (parent, new TextSpan(line.Offset, line.Length));
}
public override LinePosition GetLinePosition (int position)
{
var loc = textDoc.OffsetToLocation (position);
return new LinePosition (loc.Line - 1, loc.Column - 1);
}
public override int IndexOf (int position)
{
return textDoc.OffsetToLineNumber (position) - 1;
}
}
#region implemented abstract members of SourceText
public override void CopyTo (int sourceIndex, char[] destination, int destinationIndex, int count)
{
doc.CopyTo (sourceIndex, destination, destinationIndex, count);
}
public override int Length {
get {
return doc.Length;
}
}
public override char this [int index] {
get {
return doc.GetCharAt (index);
}
}
#endregion
}
}
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