public static bool IsCombinedDiff(string diff)
{
return(PatchProcessor.IsCombinedDiff(diff));
}
public Result Analyze(string diffContent)
{
var ret = new Result();
var isCombinedDiff = PatchProcessor.IsCombinedDiff(diffContent);
var lineNumInDiff = 0;
var leftLineNum = DiffLineNum.NotApplicableLineNum;
var rightLineNum = DiffLineNum.NotApplicableLineNum;
var isHeaderLineLocated = false;
foreach (var line in diffContent.Split('\n'))
{
lineNumInDiff++;
if (line.StartsWith("@"))
{
var meta = new DiffLineNum
{
LineNumInDiff = lineNumInDiff,
LeftLineNum = DiffLineNum.NotApplicableLineNum,
RightLineNum = DiffLineNum.NotApplicableLineNum,
Style = DiffLineNum.DiffLineStyle.Header
};
var lineNumbers = regex.Match(line);
leftLineNum = int.Parse(lineNumbers.Groups["leftStart"].Value);
rightLineNum = int.Parse(lineNumbers.Groups["rightStart"].Value);
AddToResult(ret, meta);
isHeaderLineLocated = true;
}
else if (isHeaderLineLocated && isCombinedDiff)
{
var meta = new DiffLineNum
{
LineNumInDiff = lineNumInDiff,
LeftLineNum = DiffLineNum.NotApplicableLineNum,
RightLineNum = DiffLineNum.NotApplicableLineNum,
};
if (IsMinusLineInCombinedDiff(line))
{
meta.Style = DiffLineNum.DiffLineStyle.Minus;
}
else if (IsPlusLineInCombinedDiff(line))
{
meta.Style = DiffLineNum.DiffLineStyle.Plus;
meta.RightLineNum = rightLineNum;
rightLineNum++;
}
else
{
meta.Style = DiffLineNum.DiffLineStyle.Context;
meta.RightLineNum = rightLineNum;
rightLineNum++;
}
AddToResult(ret, meta);
}
else if (isHeaderLineLocated && IsMinusLine(line))
{
var meta = new DiffLineNum
{
LineNumInDiff = lineNumInDiff,
LeftLineNum = leftLineNum,
RightLineNum = DiffLineNum.NotApplicableLineNum,
Style = DiffLineNum.DiffLineStyle.Minus
};
AddToResult(ret, meta);
leftLineNum++;
}
else if (isHeaderLineLocated && IsPlusLine(line))
{
var meta = new DiffLineNum
{
LineNumInDiff = lineNumInDiff,
LeftLineNum = DiffLineNum.NotApplicableLineNum,
RightLineNum = rightLineNum,
Style = DiffLineNum.DiffLineStyle.Plus,
};
AddToResult(ret, meta);
rightLineNum++;
}
else if (line.StartsWith(GitModule.NoNewLineAtTheEnd))
{
var meta = new DiffLineNum
{
LineNumInDiff = lineNumInDiff,
LeftLineNum = DiffLineNum.NotApplicableLineNum,
RightLineNum = DiffLineNum.NotApplicableLineNum,
Style = DiffLineNum.DiffLineStyle.Header
};
AddToResult(ret, meta);
}
else if (isHeaderLineLocated)
{
var meta = new DiffLineNum
{
LineNumInDiff = lineNumInDiff,
LeftLineNum = leftLineNum,
RightLineNum = rightLineNum,
Style = DiffLineNum.DiffLineStyle.Context,
};
AddToResult(ret, meta);
leftLineNum++;
rightLineNum++;
}
}
return(ret);
}
public void Start(string diffContent)
{
var isCombinedDiff = PatchProcessor.IsCombinedDiff(diffContent);
var lineNumInDiff = 0;
var leftLineNum = DiffLineNum.NotApplicableLineNum;
var rightLineNum = DiffLineNum.NotApplicableLineNum;
var isHeaderLineLocated = false;
foreach (var line in diffContent.Split('\n'))
{
if (_bgWorker.CancellationPending)
{
return;
}
lineNumInDiff++;
if (line.StartsWith("@"))
{
var meta = new DiffLineNum
{
LineNumInDiff = lineNumInDiff,
LeftLineNum = DiffLineNum.NotApplicableLineNum,
RightLineNum = DiffLineNum.NotApplicableLineNum,
Style = DiffLineNum.DiffLineStyle.Header
};
var regex =
new Regex(
@"\-(?<leftStart>\d{1,})\,{0,}(?<leftCount>\d{0,})\s\+(?<rightStart>\d{1,})\,{0,}(?<rightCount>\d{0,})",
RegexOptions.Compiled | RegexOptions.IgnoreCase);
var lineNumbers = regex.Match(line);
leftLineNum = int.Parse(lineNumbers.Groups["leftStart"].Value);
rightLineNum = int.Parse(lineNumbers.Groups["rightStart"].Value);
FireLineAnalyzedEvent(meta);
isHeaderLineLocated = true;
}
else if (isHeaderLineLocated && isCombinedDiff)
{
var meta = new DiffLineNum
{
LineNumInDiff = lineNumInDiff,
LeftLineNum = DiffLineNum.NotApplicableLineNum,
RightLineNum = DiffLineNum.NotApplicableLineNum,
};
if (IsMinusLineInCombinedDiff(line))
{
meta.Style = DiffLineNum.DiffLineStyle.Minus;
}
else if (IsPlusLineInCombinedDiff(line))
{
meta.Style = DiffLineNum.DiffLineStyle.Plus;
meta.RightLineNum = rightLineNum;
rightLineNum++;
}
else
{
meta.Style = DiffLineNum.DiffLineStyle.Context;
meta.RightLineNum = rightLineNum;
rightLineNum++;
}
FireLineAnalyzedEvent(meta);
}
else if (isHeaderLineLocated && IsMinusLine(line))
{
var meta = new DiffLineNum
{
LineNumInDiff = lineNumInDiff,
LeftLineNum = leftLineNum,
RightLineNum = DiffLineNum.NotApplicableLineNum,
Style = DiffLineNum.DiffLineStyle.Minus
};
FireLineAnalyzedEvent(meta);
leftLineNum++;
}
else if (isHeaderLineLocated && IsPlusLine(line))
{
var meta = new DiffLineNum
{
LineNumInDiff = lineNumInDiff,
LeftLineNum = DiffLineNum.NotApplicableLineNum,
RightLineNum = rightLineNum,
Style = DiffLineNum.DiffLineStyle.Plus,
};
FireLineAnalyzedEvent(meta);
rightLineNum++;
}
else if (isHeaderLineLocated)
{
var meta = new DiffLineNum
{
LineNumInDiff = lineNumInDiff,
LeftLineNum = leftLineNum,
RightLineNum = rightLineNum,
Style = DiffLineNum.DiffLineStyle.Context,
};
FireLineAnalyzedEvent(meta);
leftLineNum++;
rightLineNum++;
}
}
}
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);
}
