Initial import
git-svn-id: https://lsleditor.svn.sourceforge.net/svnroot/lsleditor@1 3f4676ac-adda-40fd-8265-58d1435b1672
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dimentox
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373
Helpers/AutoFormatter.cs
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373
Helpers/AutoFormatter.cs
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// /**
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// ********
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// *
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// * ORIGIONAL CODE BASE IS Copyright (C) 2006-2010 by Alphons van der Heijden
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// * The code was donated on 4/28/2010 by Alphons van der Heijden
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// * To Brandon'Dimentox Travanti' Husbands & Malcolm J. Kudra which in turn Liscense under the GPLv2.
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// * In agreement to Alphons van der Heijden wishes.
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// *
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// * The community would like to thank Alphons for all of his hard work, blood sweat and tears.
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// * Without his work the community would be stuck with crappy editors.
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// *
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// * The source code in this file ("Source Code") is provided by The LSLEditor Group
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// * to you under the terms of the GNU General Public License, version 2.0
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// * ("GPL"), unless you have obtained a separate licensing agreement
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// * ("Other License"), formally executed by you and Linden Lab. Terms of
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// * the GPL can be found in the gplv2.txt document.
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// *
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// ********
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// * GPLv2 Header
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// ********
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// * LSLEditor, a External editor for the LSL Language.
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// * Copyright (C) 2010 The LSLEditor Group.
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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// ********
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// *
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// * The above copyright notice and this permission notice shall be included in all
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// * copies or substantial portions of the Software.
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// *
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// ********
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// */
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using System;
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using System.IO;
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using System.Text;
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using System.Collections.Generic;
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namespace LSLEditor
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{
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class AutoFormatter
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{
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public static string GetTab()
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{
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if (Properties.Settings.Default.SL4SpacesIndent)
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return " ";
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else
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return "\t";
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}
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private static int CountParenthesis(string strLine)
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{
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int intParenthesis=0;
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bool blnWithinString = false;
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for (int intI = 0; intI < strLine.Length; intI++)
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{
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if (strLine[intI] == '"')
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blnWithinString = !blnWithinString;
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if (blnWithinString)
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{
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if (strLine[intI] == '\\')
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intI++;
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continue;
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}
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if (strLine[intI] == '/')
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{
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if(intI<(strLine.Length-1))
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if (strLine[intI + 1] == '/')
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break;
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}
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if (strLine[intI] == '{')
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intParenthesis++;
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if (strLine[intI] == '}')
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intParenthesis--;
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}
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return intParenthesis;
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}
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private static int GetTabCountFromWhiteSpace(string strWhiteSpace)
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{
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int intSpaces = 0;
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for (int intI = 0; intI < strWhiteSpace.Length; intI++)
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{
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if(strWhiteSpace[intI]==' ')
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intSpaces++;
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if (strWhiteSpace[intI] == '\t')
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intSpaces = (int)(6 * (intSpaces / 6)) + 6 - (intSpaces % 6);
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}
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if (Properties.Settings.Default.SL4SpacesIndent)
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return intSpaces / 4;
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else
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return intSpaces / 6;
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}
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public static string GetWhiteSpaceFromLine(string strLine)
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{
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StringBuilder sb = new StringBuilder();
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for (int intI = 0; intI < strLine.Length; intI++)
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{
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if (strLine[intI] > ' ')
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break;
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sb.Append(strLine[intI]);
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}
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return sb.ToString();
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}
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private static int GetTabCountFromLine(string strLine, out int intOnce)
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{
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StringBuilder sb = new StringBuilder();
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int intCountParenthesis = CountParenthesis(strLine);
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if(intCountParenthesis<0)
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intCountParenthesis = 0;
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for (int intI = 0; intI < strLine.Length; intI++)
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{
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if (strLine[intI] > ' ')
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break;
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sb.Append(strLine[intI]);
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}
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intOnce = 0;
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strLine = TrimCommentTrim(strLine);
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int intLength = strLine.Length;
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if (intLength > 0)
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{
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char chrLastChar = strLine[intLength - 1];
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if (strLine[0] == '{' || chrLastChar == ';' || chrLastChar == '{' || chrLastChar == '}')
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intOnce = 0;
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else
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intOnce = 1;
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// this only valid for typing
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if (intCountParenthesis == 0 && chrLastChar == '{')
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intCountParenthesis++;
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}
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return GetTabCountFromWhiteSpace(sb.ToString()) + intCountParenthesis + intOnce;
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}
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public static string RemoveComment(string strLine)
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{
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bool blnWithinString = false;
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for (int intI = 0; intI < (strLine.Length - 1); intI++)
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{
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char chrC = strLine[intI];
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if (chrC == '"')
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blnWithinString = !blnWithinString;
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if (blnWithinString)
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{
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if (chrC == '\\')
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intI++;
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continue;
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}
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if (chrC != '/')
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continue;
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if (strLine[intI + 1] == '/')
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{
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strLine = strLine.Substring(0, intI);
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break;
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}
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}
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return strLine;
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}
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public static string RemoveCommentsFromLines(string strLines)
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{
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StringBuilder sb = new StringBuilder();
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StringReader sr = new StringReader(strLines);
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while (true)
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{
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string strLine = sr.ReadLine();
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if (strLine == null)
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break;
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sb.AppendLine(RemoveComment(strLine));
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}
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return sb.ToString();
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}
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private static string TrimCommentTrim(string strLine)
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{
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return RemoveComment(strLine).Trim();
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}
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public static string GetNewWhiteSpace(string[] lines, int intIndex)
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{
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int intTab = 0;
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int intOnce = 0;
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string strLine = "";
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StringBuilder sb = new StringBuilder();
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while (intIndex>=0 && intIndex<lines.Length)
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{
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strLine = lines[intIndex];
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if (TrimCommentTrim(strLine).Length > 0)
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{
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intTab = GetTabCountFromLine(strLine, out intOnce);
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break;
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}
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intIndex--;
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}
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if (TrimCommentTrim(strLine) != "{")
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{
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intIndex--;
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while (intIndex >= 0 && intIndex < lines.Length)
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{
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strLine = lines[intIndex];
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if (TrimCommentTrim(strLine).Length > 0)
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{
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GetTabCountFromLine(strLine, out intOnce);
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break;
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}
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intIndex--;
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}
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}
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for (int intI = 0; intI < (intTab - intOnce); intI++)
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sb.Append(AutoFormatter.GetTab());
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return sb.ToString();
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}
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public static string ApplyFormatting(int intTab, string strInput)
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{
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StringBuilder sb = new StringBuilder();
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StringReader sr = new StringReader(strInput);
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Stack<int> stack = new Stack<int>();
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stack.Push(intTab);
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int intTemp = 0;
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while (true)
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{
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string strLine = sr.ReadLine();
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if (strLine == null)
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break;
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// trim whitespace, this is a clean line
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strLine = strLine.Trim();
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// empty lines do not contain tabs
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if (strLine.Length == 0)
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{
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sb.Append('\n');
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continue;
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}
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// print current line, on current indent level
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int intCorrection = 0;
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if (strLine[0] == '{' || strLine[0] == '}')
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intCorrection--;
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for (int intI = 0; intI < (intTab + intTemp + intCorrection); intI++)
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sb.Append(GetTab());
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sb.Append(strLine);
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sb.Append('\n');
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// calculate next indent level
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strLine = TrimCommentTrim(strLine);
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int intParenthesis = CountParenthesis(strLine);
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if (intParenthesis > 0)
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{
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for (int intP = 0; intP < intParenthesis; intP++)
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{
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stack.Push(intTab);
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if (strLine != "{")
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intTab++;
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}
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intTab += intTemp;
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intTemp = 0;
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}
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else if (intParenthesis < 0)
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{
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if (stack.Count > 0)
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intTab = stack.Pop();
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intTemp = 0;
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}
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else
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{
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if (strLine.Length > 0)
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{
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char chrFirstChar = strLine[0];
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char chrLastChar = strLine[strLine.Length - 1];
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intTemp++;
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if (chrFirstChar == '|' || chrLastChar == '|')
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intTemp = 1;
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if (chrFirstChar == '+' || chrLastChar == '+')
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intTemp = 1;
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if (chrFirstChar == '-' || chrLastChar == '-')
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intTemp = 1;
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if (chrLastChar == ',' || chrLastChar == ',')
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intTemp = 1;
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if (chrLastChar == ';' || chrLastChar == '}')
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intTemp = 0;
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}
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}
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}
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if (!strInput.EndsWith("\n"))
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return sb.ToString().TrimEnd(new char[] { '\n' });
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else
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return sb.ToString();
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}
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public static string MultiLineTab(bool blnAdd, string strText)
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{
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string strPrefix = GetTab();
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StringBuilder sb = new StringBuilder();
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StringReader sr = new StringReader(strText);
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while (true)
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{
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string strLine = sr.ReadLine();
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if (strLine == null)
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break;
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if (blnAdd)
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{
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sb.Append(strPrefix);
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}
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else
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{
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if (strLine.StartsWith(strPrefix))
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strLine = strLine.Substring(strPrefix.Length);
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}
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sb.Append(strLine);
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sb.Append('\n');
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}
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return sb.ToString();
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}
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public static string MultiLineComment(bool blnAdd, int intTab, string strText)
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{
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string strPrefix = "//";
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StringBuilder sb = new StringBuilder();
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StringReader sr = new StringReader(strText);
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while (true)
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{
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string strLine = sr.ReadLine();
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if (strLine == null)
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break;
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if (blnAdd)
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{
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sb.Append(strPrefix);
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}
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else
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{
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strLine = strLine.Trim();
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if (strLine.StartsWith(strPrefix))
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strLine = strLine.Substring(strPrefix.Length);
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}
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sb.Append(strLine);
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sb.Append('\n');
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}
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return ApplyFormatting(intTab,sb.ToString());
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}
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}
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}
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