107 lines
4.6 KiB
C#
107 lines
4.6 KiB
C#
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// This file is part of CodingEditor.
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// Note: This project is derived from Peter Project
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// (hosted on sourceforge and codeplex)
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//
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// Copyright (c) 2008-2009, CE Team
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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using System.Collections.Generic;
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using ICSharpCode.TextEditor.Document;
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namespace ICSharpCode.TextEditor.Src.Document.FoldingStrategy
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{
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public class CSharpFoldingStrategy : IFoldingStrategy
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{
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#region Methods
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/// <summary>
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/// Generates the foldings for our document.
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/// </summary>
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/// <param name="document">The current document.</param>
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/// <param name="fileName">The filename of the document.</param>
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/// <param name="parseInformation">Extra parse information, not used in this sample.</param>
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/// <returns>A list of FoldMarkers.</returns>
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public List<FoldMarker> GenerateFoldMarkers(IDocument document, string fileName, object parseInformation)
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{
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var list = new List<FoldMarker>();
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var startLines = new Stack<int>();
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// Create foldmarkers for the whole document, enumerate through every line.
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for (int i = 0; i < document.TotalNumberOfLines; i++)
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{
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var seg = document.GetLineSegment(i);
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int offs, end = document.TextLength;
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char c;
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for (offs = seg.Offset; offs < end && ((c = document.GetCharAt(offs)) == ' ' || c == '\t'); offs++)
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{
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}
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if (offs == end)
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break;
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int spaceCount = offs - seg.Offset;
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// now offs points to the first non-whitespace char on the line
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if (document.GetCharAt(offs) == '#')
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{
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string text = document.GetText(offs, seg.Length - spaceCount);
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if (text.StartsWith("#region"))
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startLines.Push(i);
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if (text.StartsWith("#endregion") && startLines.Count > 0)
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{
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// Add a new FoldMarker to the list.
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int start = startLines.Pop();
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list.Add(new FoldMarker(document, start,
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document.GetLineSegment(start).Length,
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i, spaceCount + "#endregion".Length, FoldType.Region, "{...}"));
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}
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}
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// { }
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if (document.GetCharAt(offs) == '{')
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{
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int offsetOfClosingBracket = document.FormattingStrategy.SearchBracketForward(document, offs + 1, '{', '}');
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if (offsetOfClosingBracket > 0)
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{
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int length = offsetOfClosingBracket - offs + 1;
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list.Add(new FoldMarker(document, offs, length, "{...}", false));
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}
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}
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if (document.GetCharAt(offs) == '/')
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{
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string text = document.GetText(offs, seg.Length - spaceCount);
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if (text.StartsWith("/// <summary>"))
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startLines.Push(i);
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if ((text.StartsWith("/// <param") || text.StartsWith("/// <returns>") || text.StartsWith("/// </summary>"))
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&& startLines.Count > 0)
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{
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// Add a new FoldMarker to the list.
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int start = startLines.Pop();
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list.Add(new FoldMarker(document, start,
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document.GetLineSegment(start).Length,
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i, spaceCount + "/// </summary>".Length, FoldType.TypeBody, "/// <summary>..."));
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}
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}
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}
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return list;
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}
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#endregion Methods
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}
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} |