LSLEditor/source/Helpers/AutoFormatter.cs
2022-11-20 07:05:44 -07:00

372 lines
9.6 KiB
C#

// <copyright file="gpl-2.0.txt">
// ORIGINAL CODE BASE IS Copyright (C) 2006-2010 by Alphons van der Heijden.
// The code was donated on 2010-04-28 by Alphons van der Heijden to Brandon 'Dimentox Travanti' Husbands &
// Malcolm J. Kudra, who in turn License under the GPLv2 in agreement with Alphons van der Heijden's wishes.
//
// The community would like to thank Alphons for all of his hard work, blood sweat and tears. Without his work
// the community would be stuck with crappy editors.
//
// The source code in this file ("Source Code") is provided by The LSLEditor Group to you under the terms of the GNU
// General Public License, version 2.0 ("GPL"), unless you have obtained a separate licensing agreement ("Other
// License"), formally executed by you and The LSLEditor Group.
// Terms of the GPL can be found in the gplv2.txt document.
//
// GPLv2 Header
// ************
// LSLEditor, a External editor for the LSL Language.
// Copyright (C) 2010 The LSLEditor Group.
//
// This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any
// later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
// Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
// ********************************************************************************************************************
// The above copyright notice and this permission notice shall be included in copies or substantial portions of the
// Software.
// ********************************************************************************************************************
// </copyright>
//
// <summary>
//
//
// </summary>
using System;
using System.IO;
using System.Text;
using System.Collections.Generic;
namespace LSLEditor
{
class AutoFormatter
{
public static string GetTab()
{
if (Properties.Settings.Default.SL4SpacesIndent)
return " ";
else
return "\t";
}
private static int CountParenthesis(string strLine)
{
int intParenthesis=0;
bool blnWithinString = false;
for (int intI = 0; intI < strLine.Length; intI++)
{
if (strLine[intI] == '"')
blnWithinString = !blnWithinString;
if (blnWithinString)
{
if (strLine[intI] == '\\')
intI++;
continue;
}
if (strLine[intI] == '/')
{
if(intI<(strLine.Length-1))
if (strLine[intI + 1] == '/')
break;
}
if (strLine[intI] == '{')
intParenthesis++;
if (strLine[intI] == '}')
intParenthesis--;
}
return intParenthesis;
}
private static int GetTabCountFromWhiteSpace(string strWhiteSpace)
{
int intSpaces = 0;
for (int intI = 0; intI < strWhiteSpace.Length; intI++)
{
if(strWhiteSpace[intI]==' ')
intSpaces++;
if (strWhiteSpace[intI] == '\t')
intSpaces = (int)(6 * (intSpaces / 6)) + 6 - (intSpaces % 6);
}
if (Properties.Settings.Default.SL4SpacesIndent)
return intSpaces / 4;
else
return intSpaces / 6;
}
public static string GetWhiteSpaceFromLine(string strLine)
{
StringBuilder sb = new StringBuilder();
for (int intI = 0; intI < strLine.Length; intI++)
{
if (strLine[intI] > ' ')
break;
sb.Append(strLine[intI]);
}
return sb.ToString();
}
private static int GetTabCountFromLine(string strLine, out int intOnce)
{
StringBuilder sb = new StringBuilder();
int intCountParenthesis = CountParenthesis(strLine);
if(intCountParenthesis<0)
intCountParenthesis = 0;
for (int intI = 0; intI < strLine.Length; intI++)
{
if (strLine[intI] > ' ')
break;
sb.Append(strLine[intI]);
}
intOnce = 0;
strLine = TrimCommentTrim(strLine);
int intLength = strLine.Length;
if (intLength > 0)
{
char chrLastChar = strLine[intLength - 1];
if (strLine[0] == '{' || chrLastChar == ';' || chrLastChar == '{' || chrLastChar == '}')
intOnce = 0;
else
intOnce = 1;
// this only valid for typing
if (intCountParenthesis == 0 && chrLastChar == '{')
intCountParenthesis++;
}
return GetTabCountFromWhiteSpace(sb.ToString()) + intCountParenthesis + intOnce;
}
public static string RemoveComment(string strLine)
{
bool blnWithinString = false;
for (int intI = 0; intI < (strLine.Length - 1); intI++)
{
char chrC = strLine[intI];
if (chrC == '"')
blnWithinString = !blnWithinString;
if (blnWithinString)
{
if (chrC == '\\')
intI++;
continue;
}
if (chrC != '/')
continue;
if (strLine[intI + 1] == '/')
{
//if(strLine.IndexOf("@include") != intI + 2)
//{
strLine = strLine.Substring(0, intI);
//}
break;
}
}
return strLine;
}
public static string RemoveCommentsFromLines(string strLines)
{
StringBuilder sb = new StringBuilder();
StringReader sr = new StringReader(strLines);
while (true)
{
string strLine = sr.ReadLine();
if (strLine == null)
break;
sb.AppendLine(RemoveComment(strLine));
}
return sb.ToString();
}
private static string TrimCommentTrim(string strLine)
{
return RemoveComment(strLine).Trim();
}
public static string GetNewWhiteSpace(string[] lines, int intIndex)
{
int intTab = 0;
int intOnce = 0;
string strLine = "";
StringBuilder sb = new StringBuilder();
while (intIndex>=0 && intIndex<lines.Length)
{
strLine = lines[intIndex];
if (TrimCommentTrim(strLine).Length > 0)
{
intTab = GetTabCountFromLine(strLine, out intOnce);
break;
}
intIndex--;
}
if (TrimCommentTrim(strLine) != "{")
{
intIndex--;
while (intIndex >= 0 && intIndex < lines.Length)
{
strLine = lines[intIndex];
if (TrimCommentTrim(strLine).Length > 0)
{
GetTabCountFromLine(strLine, out intOnce);
break;
}
intIndex--;
}
}
for (int intI = 0; intI < (intTab - intOnce); intI++)
sb.Append(AutoFormatter.GetTab());
return sb.ToString();
}
public static string ApplyFormatting(int intTab, string strInput)
{
StringBuilder sb = new StringBuilder();
StringReader sr = new StringReader(strInput);
Stack<int> stack = new Stack<int>();
stack.Push(intTab);
int intTemp = 0;
while (true)
{
string strLine = sr.ReadLine();
if (strLine == null)
break;
// trim whitespace, this is a clean line
strLine = strLine.Trim();
// empty lines do not contain tabs
if (strLine.Length == 0)
{
sb.Append('\n');
continue;
}
// print current line, on current indent level
int intCorrection = 0;
if (strLine[0] == '{' || strLine[0] == '}')
intCorrection--;
for (int intI = 0; intI < (intTab + intTemp + intCorrection); intI++)
sb.Append(GetTab());
sb.Append(strLine);
sb.Append('\n');
// calculate next indent level
strLine = TrimCommentTrim(strLine);
int intParenthesis = CountParenthesis(strLine);
if (intParenthesis > 0)
{
for (int intP = 0; intP < intParenthesis; intP++)
{
stack.Push(intTab);
if (strLine != "{")
intTab++;
}
intTab += intTemp;
intTemp = 0;
}
else if (intParenthesis < 0)
{
if (stack.Count > 0)
intTab = stack.Pop();
intTemp = 0;
}
else
{
if (strLine.Length > 0)
{
char chrFirstChar = strLine[0];
char chrLastChar = strLine[strLine.Length - 1];
intTemp++;
if (chrFirstChar == '|' || chrLastChar == '|')
intTemp = 1;
if (chrFirstChar == '+' || chrLastChar == '+')
intTemp = 1;
if (chrFirstChar == '-' || chrLastChar == '-')
intTemp = 1;
if (chrLastChar == ',' || chrLastChar == ',')
intTemp = 1;
if (chrLastChar == ';' || chrLastChar == '}')
intTemp = 0;
}
}
}
if (!strInput.EndsWith("\n"))
return sb.ToString().TrimEnd(new char[] { '\n' });
else
return sb.ToString();
}
public static string MultiLineTab(bool blnAdd, string strText)
{
string strPrefix = GetTab();
StringBuilder sb = new StringBuilder();
StringReader sr = new StringReader(strText);
while (true)
{
string strLine = sr.ReadLine();
if (strLine == null)
break;
if (blnAdd)
{
sb.Append(strPrefix);
}
else
{
if (strLine.StartsWith(strPrefix))
strLine = strLine.Substring(strPrefix.Length);
}
sb.Append(strLine);
sb.Append('\n');
}
return sb.ToString();
}
public static string MultiLineComment(bool blnAdd, int intTab, string strText)
{
string strPrefix = "//";
StringBuilder sb = new StringBuilder();
StringReader sr = new StringReader(strText);
while (true)
{
string strLine = sr.ReadLine();
if (strLine == null)
break;
if (blnAdd)
{
sb.Append(strPrefix);
}
else
{
strLine = strLine.Trim();
if (strLine.StartsWith(strPrefix))
strLine = strLine.Substring(strPrefix.Length);
}
sb.Append(strLine);
sb.Append('\n');
}
return ApplyFormatting(intTab,sb.ToString());
}
}
}