public DiffLinesInfo Analyze([NotNull] string diffContent)
{
var ret = new DiffLinesInfo();
var isCombinedDiff = PatchProcessor.IsCombinedDiff(diffContent);
var lineNumInDiff = 0;
var leftLineNum = DiffLineInfo.NotApplicableLineNum;
var rightLineNum = DiffLineInfo.NotApplicableLineNum;
var isHeaderLineLocated = false;
string[] lines = diffContent.Split('\n');
for (int i = 0; i < lines.Length; i++)
{
string line = lines[i];
if (i == lines.Length - 1 && line.IsNullOrEmpty())
{
break;
}
lineNumInDiff++;
if (line.StartsWith("@"))
{
var meta = new DiffLineInfo
{
LineNumInDiff = lineNumInDiff,
LeftLineNumber = DiffLineInfo.NotApplicableLineNum,
RightLineNumber = DiffLineInfo.NotApplicableLineNum,
LineType = DiffLineType.Header
};
var lineNumbers = regex.Match(line);
leftLineNum = int.Parse(lineNumbers.Groups["leftStart"].Value);
rightLineNum = int.Parse(lineNumbers.Groups["rightStart"].Value);
ret.Add(meta);
isHeaderLineLocated = true;
}
else if (isHeaderLineLocated && isCombinedDiff)
{
var meta = new DiffLineInfo
{
LineNumInDiff = lineNumInDiff,
LeftLineNumber = DiffLineInfo.NotApplicableLineNum,
RightLineNumber = DiffLineInfo.NotApplicableLineNum,
};
if (IsMinusLineInCombinedDiff(line))
{
meta.LineType = DiffLineType.Minus;
}
else if (IsPlusLineInCombinedDiff(line))
{
meta.LineType = DiffLineType.Plus;
meta.RightLineNumber = rightLineNum;
rightLineNum++;
}
else
{
meta.LineType = DiffLineType.Context;
meta.RightLineNumber = rightLineNum;
rightLineNum++;
}
ret.Add(meta);
}
else if (isHeaderLineLocated && IsMinusLine(line))
{
var meta = new DiffLineInfo
{
LineNumInDiff = lineNumInDiff,
LeftLineNumber = leftLineNum,
RightLineNumber = DiffLineInfo.NotApplicableLineNum,
LineType = DiffLineType.Minus
};
ret.Add(meta);
leftLineNum++;
}
else if (isHeaderLineLocated && IsPlusLine(line))
{
var meta = new DiffLineInfo
{
LineNumInDiff = lineNumInDiff,
LeftLineNumber = DiffLineInfo.NotApplicableLineNum,
RightLineNumber = rightLineNum,
LineType = DiffLineType.Plus,
};
ret.Add(meta);
rightLineNum++;
}
else if (line.StartsWith(GitModule.NoNewLineAtTheEnd))
{
var meta = new DiffLineInfo
{
LineNumInDiff = lineNumInDiff,
LeftLineNumber = DiffLineInfo.NotApplicableLineNum,
RightLineNumber = DiffLineInfo.NotApplicableLineNum,
LineType = DiffLineType.Header
};
ret.Add(meta);
}
else if (isHeaderLineLocated)
{
var meta = new DiffLineInfo
{
LineNumInDiff = lineNumInDiff,
LeftLineNumber = leftLineNum,
RightLineNumber = rightLineNum,
LineType = DiffLineType.Context,
};
ret.Add(meta);
leftLineNum++;
rightLineNum++;
}
}
return(ret);
}
public void Add(DiffLineInfo diffLine)
{
_diffLines.Add(diffLine.LineNumInDiff, diffLine);
MaxLineNumber = Math.Max(MaxLineNumber,
Math.Max(diffLine.LeftLineNumber, diffLine.RightLineNumber));
}