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//
// CSharpIndentVirtualSpaceManager.cs
//
// Author:
// Mike Krüger <mkrueger@xamarin.com>
//
// Copyright (c) 2012 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 Mono.TextEditor;
using ICSharpCode.NRefactory.CSharp;
using System;
using MonoDevelop.Core;
namespace MonoDevelop.CSharp.Formatting
{
class IndentVirtualSpaceManager : IIndentationTracker
{
readonly TextEditorData data;
readonly CacheIndentEngine stateTracker;
public IndentVirtualSpaceManager(TextEditorData data, CacheIndentEngine stateTracker)
{
this.data = data;
this.stateTracker = stateTracker;
}
string GetIndentationString (DocumentLocation loc)
{
var line = data.Document.GetLine (loc.Line);
if (line == null)
return "";
// Get context to the end of the line w/o changing the main engine's state
var offset = line.Offset;
string curIndent = line.GetIndentation (data.Document);
try {
stateTracker.Update (Math.Min (data.Length, offset + Math.Min (line.Length, loc.Column - 1)));
int nlwsp = curIndent.Length;
if (!stateTracker.LineBeganInsideMultiLineComment || (nlwsp < line.LengthIncludingDelimiter && data.Document.GetCharAt (offset + nlwsp) == '*'))
return stateTracker.ThisLineIndent;
} catch (Exception e) {
LoggingService.LogError ("Error while indenting at "+ loc, e);
}
return curIndent;
}
public string GetIndentationString (int lineNumber, int column)
{
return GetIndentationString (new DocumentLocation (lineNumber, column));
}
public string GetIndentationString (int offset)
{
return GetIndentationString (data.OffsetToLocation (offset));
}
public int GetVirtualIndentationColumn (int offset)
{
return 1 + GetIndentationString (offset).Length;
}
public int GetVirtualIndentationColumn (int lineNumber, int column)
{
return 1 + GetIndentationString (lineNumber, column).Length;
}
}
}
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