Dragan
12 years ago
6 changed files with 258 additions and 33 deletions
@ -0,0 +1,208 @@
@@ -0,0 +1,208 @@
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// Copyright (c) https://github.com/ddur
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// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
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using System; |
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using System.Collections.Generic; |
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using System.Diagnostics; |
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using System.Text; |
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namespace ICSharpCode.CodeCoverage |
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{ |
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/// <summary>StringTextSource (ReadOnly)
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/// <remarks>Line and column counting starts at 1.</remarks>
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/// <remarks>IDocument/ITextBuffer/ITextSource fails returning single char "{"?</remarks>
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/// </summary>
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public class CodeCoverageStringTextSource |
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{ |
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private readonly string textSource; |
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private struct lineInfo { |
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public int Offset; |
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public int Length; |
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} |
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private readonly lineInfo[] lines; |
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public CodeCoverageStringTextSource(string source) |
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{ |
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this.textSource = source.Clone() as string; // disconnect from source
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List<lineInfo> lineInfoList = new List<lineInfo>(); |
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int offset = 0; |
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int counter = 0; |
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bool nl = false; |
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bool cr = false; |
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bool lf = false; |
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lineInfo sl; |
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foreach ( short ch in textSource ) { |
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switch (ch) { |
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case 13: |
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if (cr||lf) { |
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nl = true; |
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} else { |
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cr = true; |
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} |
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break; |
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case 10: |
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if (lf) { |
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nl = true; |
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} else { |
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lf = true; |
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} |
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break; |
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default: |
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if (cr||lf) { |
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nl = true; |
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} |
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break; |
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} |
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if (nl) { |
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sl = new lineInfo(); |
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sl.Offset = offset; |
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sl.Length = counter - offset; |
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lineInfoList.Add(sl); |
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offset = counter; |
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cr = false; |
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lf = false; |
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nl = false; |
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} |
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++counter; |
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} |
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sl = new lineInfo(); |
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sl.Offset = offset; |
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sl.Length = counter - offset; |
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lineInfoList.Add(sl); |
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lines = lineInfoList.ToArray(); |
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} |
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/// <summary>Return text/source using SequencePoint line/col info
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/// </summary>
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/// <param name="sp"></param>
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/// <returns></returns>
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public string GetText(CodeCoverageSequencePoint sp) { |
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return this.GetText(sp.Line, sp.Column, sp.EndLine, sp.EndColumn ); |
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} |
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/// <summary>Return text at Line/Column/EndLine/EndColumn position
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/// <remarks>Line and Column counting starts at 1.</remarks>
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/// </summary>
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/// <param name="Line"></param>
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/// <param name="Column"></param>
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/// <param name="EndLine"></param>
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/// <param name="EndColumn"></param>
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/// <returns></returns>
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public string GetText(int Line, int Column, int EndLine, int EndColumn) { |
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StringBuilder text = new StringBuilder(); |
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string line; |
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bool argOutOfRange; |
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if (Line==EndLine) { |
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#region One line request
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line = GetLine(Line); |
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Debug.Assert(!(Column < 1), "Column < 1"); |
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Debug.Assert(!(Column > EndColumn), "Column > EndColumn"); |
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Debug.Assert(!(EndColumn > line.Length), "EndColumn > line.Length"); |
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argOutOfRange = Column < 1 |
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|| Column > EndColumn |
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|| EndColumn > line.Length; |
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if (!argOutOfRange) { |
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text.Append(line.Substring(Column-1,EndColumn-Column)); |
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} |
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#endregion
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} else if (Line<EndLine) { |
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#region Multi-line request
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#region First line
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line = GetLine(Line); |
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Debug.Assert(!(Column < 1), "Column < 1"); |
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Debug.Assert(!(Column > line.Length), "Column > line.Length"); |
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argOutOfRange = Column < 1 |
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|| Column > line.Length; |
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if (!argOutOfRange) { |
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text.Append(line.Substring(Column-1)); |
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} |
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#endregion
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#region More than two lines
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for ( int lineIndex = Line+1; lineIndex < EndLine; lineIndex++ ) { |
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text.Append ( GetLine ( lineIndex ) ); |
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} |
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#endregion
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#region Last line
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line = GetLine(EndLine); |
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Debug.Assert(!(EndColumn < 1), "EndColumn < 1"); |
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Debug.Assert(!(EndColumn > line.Length), "EndColumn > line.Length"); |
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argOutOfRange = EndColumn < 1 |
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|| EndColumn > line.Length; |
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if (!argOutOfRange) { |
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text.Append(line.Substring(0,EndColumn)); |
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} |
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#endregion
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#endregion
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} else { |
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Debug.Fail("Line > EndLine"); |
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} |
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return text.ToString(); |
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} |
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/// <summary>Return SequencePoint enumerated line
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/// </summary>
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/// <param name="lineNr"></param>
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/// <returns></returns>
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public string GetLine ( int LineNo ) { |
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string retString = String.Empty; |
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if ( LineNo > 0 && LineNo <= lines.Length ) { |
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lineInfo lineInfo = lines[LineNo-1]; |
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retString = textSource.Substring(lineInfo.Offset, lineInfo.Length); |
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} else { |
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Debug.Fail( "Line number out of range" ); |
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} |
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return retString; |
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} |
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public static string IndentTabs ( string ToIndent, int TabSize ) { |
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string retString = ToIndent; |
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if ( ToIndent.Contains ( "\t" ) ) { |
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int counter = 0; |
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int remains = 0; |
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int repeat = 0; |
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char prevChar = char.MinValue; |
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StringBuilder indented = new StringBuilder(); |
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foreach ( char currChar in ToIndent ) { |
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if ( currChar == '\t' ) { |
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remains = counter % TabSize; |
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repeat = remains == 0 ? TabSize : remains; |
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indented.Append( ' ', repeat ); |
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} else { |
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indented.Append ( currChar, 1 ); |
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if ( char.IsLowSurrogate(currChar) |
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&& char.IsHighSurrogate(prevChar) |
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) { --counter; } |
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} |
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prevChar = currChar; |
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++counter; |
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} |
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retString = indented.ToString(); |
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} |
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return retString; |
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} |
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} |
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} |
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