public void ApplyPatch(Patch patch)
{
patch.FileTextB = "";
patch.Rate = 100;
if (patch.Type == Patch.PatchType.DeleteFile)
{
handleDeletePatchType(patch);
return;
}
if (patch.Text == null)
return;
string[] patchLines = patch.Text.Split('\n');
if (patch.Type == Patch.PatchType.NewFile)
{
handleNewFilePatchType(patch, patchLines);
return;
}
if (patch.Type == Patch.PatchType.ChangeFile)
{
handleChangeFilePatchType(patch, patchLines);
return;
}
}
private void StashedSelectedIndexChanged(object sender, EventArgs e)
{
GitStash gitStash = Stashes.SelectedItem as GitStash;
GitItemStatus stashedItem = Stashed.SelectedItem;
Cursor.Current = Cursors.WaitCursor;
if (stashedItem != null &&
gitStash == currentWorkingDirStashItem) //current working dir
{
View.ViewCurrentChanges(stashedItem.Name, stashedItem.OldName, stashedItem.IsStaged);
}
else
if (stashedItem != null)
{
string extraDiffArguments = View.GetExtraDiffArguments();
Encoding encoding = this.View.Encoding;
View.ViewPatch(() =>
{
PatchApply.Patch patch = Settings.Module.GetSingleDiff(gitStash.Name, gitStash.Name + "^", stashedItem.Name, stashedItem.OldName, extraDiffArguments, encoding);
if (patch == null)
{
return(String.Empty);
}
return(patch.Text);
});
}
else
{
View.ViewText(string.Empty, string.Empty);
}
Cursor.Current = Cursors.Default;
}
public void TestLoadPatch()
{
PatchManager manager = new PatchManager();
PatchApply.Patch expectedPatch = new PatchApply.Patch();
expectedPatch.Type = PatchApply.Patch.PatchType.ChangeFile;
expectedPatch.Apply = true;
expectedPatch.PatchHeader = "diff --git a/thisisatest.txt b/thisisatest.txt";
expectedPatch.PatchIndex = "index 5e4dce2..5eb1e6f 100644";
expectedPatch.FileNameA = "thisisatest.txt";
expectedPatch.FileNameB = "thisisatest.txt";
expectedPatch.AppendTextLine(expectedPatch.PatchHeader);
expectedPatch.AppendTextLine(expectedPatch.PatchIndex);
expectedPatch.AppendTextLine("--- a/thisisatest.txt");
expectedPatch.AppendTextLine("+++ b/thisisatest.txt");
expectedPatch.AppendTextLine("@@ -1,2 +1,2 @@");
expectedPatch.AppendTextLine("iiiiii");
expectedPatch.AppendTextLine("-asdkjaldskjlaksd");
expectedPatch.AppendTextLine("+changed again");
manager.LoadPatch(expectedPatch.Text, false, Encoding.Default);
PatchApply.Patch createdPatch = manager.Patches.First();
Assert.AreEqual(expectedPatch.Text, createdPatch.Text);
}
private void GridChangedFiles_SelectionChanged(object sender, EventArgs e)
{
if (GridChangedFiles.SelectedRows.Count == 0) return;
var patch = (Patch)GridChangedFiles.SelectedRows[0].DataBoundItem;
CurrentPatch = patch;
if (patch == null) return;
ChangesList.ViewPatch(patch);
}
public void TestCorrectlyLoadReversePatch()
{
PatchManager manager = NewManager();
TestPatch expectedPatch = CreateSmallPatchExample(true);
manager.LoadPatch(expectedPatch.PatchOutput.ToString(), false, Encoding.UTF8);
PatchApply.Patch createdPatch = manager.Patches.First();
Assert.AreEqual(expectedPatch.Patch.PatchHeader, createdPatch.PatchHeader, "header");
Assert.AreEqual(expectedPatch.Patch.FileNameB, createdPatch.FileNameA, "fileA");
Assert.AreEqual(expectedPatch.Patch.PatchIndex, createdPatch.PatchIndex);
Assert.AreEqual(expectedPatch.Patch.Rate, createdPatch.Rate);
Assert.AreEqual(expectedPatch.Patch.Type, createdPatch.Type);
Assert.AreEqual(expectedPatch.Patch.Text, createdPatch.Text);
}
private static bool SetPatchType(string input, Patch patch)
{
if (input.StartsWith("new file mode "))
patch.Type = Patch.PatchType.NewFile;
else if (input.StartsWith("deleted file mode "))
patch.Type = Patch.PatchType.DeleteFile;
else if (input.StartsWith("old mode "))
patch.Type = Patch.PatchType.ChangeFileMode;
else
return false;
return true;
}
private void ValidateHeader(ref string input, Patch patch)
{
//--- /dev/null
//means there is no old file, so this should be a new file
if (IsOldFileMissing(input))
{
if (patch.Type != Patch.PatchType.NewFile)
throw new FormatException("Change not parsed correct: " + input);
}
//line starts with --- means, old file name
else if (input.StartsWith("--- "))
{
input = GitModule.UnquoteFileName(input);
Match regexMatch = Regex.Match(input, "[-]{3} [\\\"]?[aiwco12]/(.*)[\\\"]?");
if (regexMatch.Success)
patch.FileNameA = regexMatch.Groups[1].Value.Trim();
else
throw new FormatException("Old filename not parsed correct: " + input);
}
else if (IsNewFileMissing(input))
{
if (patch.Type != Patch.PatchType.DeleteFile)
throw new FormatException("Change not parsed correct: " + input);
}
//line starts with +++ means, new file name
//we expect a new file now!
else if (input.StartsWith("+++ "))
{
input = GitModule.UnquoteFileName(input);
Match regexMatch = Regex.Match(input, "[+]{3} [\\\"]?[biwco12]/(.*)[\\\"]?");
if (regexMatch.Success)
patch.FileNameB = regexMatch.Groups[1].Value.Trim();
else
throw new FormatException("New filename not parsed correct: " + input);
}
}
private static void ExtractPatchFilenames(Patch patch)
{
if (!patch.CombinedDiff)
{
Match match = Regex.Match(patch.PatchHeader,
" [\\\"]?[aiwco12]/(.*)[\\\"]? [\\\"]?[biwco12]/(.*)[\\\"]?");
patch.FileNameA = match.Groups[1].Value.Trim();
patch.FileNameB = match.Groups[2].Value.Trim();
}
else
{
Match match = Regex.Match(patch.PatchHeader,
"--cc [\\\"]?(.*)[\\\"]?");
patch.FileNameA = match.Groups[1].Value.Trim();
}
}
private void ValidateInput(ref string input, Patch patch, PatchProcessorState state)
{
if (state == PatchProcessorState.InHeader)
{
//--- /dev/null
//means there is no old file, so this should be a new file
if (IsOldFileMissing(input))
{
if (patch.Type != Patch.PatchType.NewFile)
throw new FormatException("Change not parsed correct: " + input);
}
//line starts with --- means, old file name
else if (input.StartsWith("--- "))
{
input = GitCommandHelpers.UnquoteFileName(input);
Match regexMatch = Regex.Match(input, "[-]{3}[ ][\\\"]{0,1}[a]/(.*)[\\\"]{0,1}");
if (!regexMatch.Success || patch.FileNameA != (regexMatch.Groups[1].Value.Trim()))
throw new FormatException("Old filename not parsed correct: " + input);
}
else if (IsNewFileMissing(input))
{
if (patch.Type != Patch.PatchType.DeleteFile)
throw new FormatException("Change not parsed correct: " + input);
}
//line starts with +++ means, new file name
//we expect a new file now!
else if (input.StartsWith("+++ "))
{
input = GitCommandHelpers.UnquoteFileName(input);
Match regexMatch = Regex.Match(input, "[+]{3}[ ][\\\"]{0,1}[b]/(.*)[\\\"]{0,1}");
if (!regexMatch.Success || patch.FileNameB != (regexMatch.Groups[1].Value.Trim()))
throw new FormatException("New filename not parsed correct: " + input);
}
}
else
{
if (input.StartsWithAny(new string[] { " ", "-", "+", "@" }))
//diff content
input = GitCommandHelpers.ReEncodeStringFromLossless(input, FilesContentEncoding);
else
//warnings, messages ...
input = GitCommandHelpers.ReEncodeStringFromLossless(input, Settings.SystemEncoding);
}
}
/// <summary>
/// Diff part of patch is printed verbatim, everything else (header, warnings, ...) is printed in git encoding (Settings.SystemEncoding)
/// Since patch may contain diff for more than one file, it would be nice to obtaining encoding for each of file
/// from .gitattributes, for now there is used one encoding, common for every file in repo (Settings.FilesEncoding)
/// File path can be quoted see core.quotepath, it is unquoted by GitCommandHelpers.ReEncodeFileNameFromLossless
/// </summary>
/// <param name="textReader"></param>
/// <returns></returns>
public List<Patch> CreatePatchesFromString(String patchText)
{
var patches = new List<Patch>();
Patch patch = null;
bool validate;
string input;
PatchProcessorState state = PatchProcessorState.OutsidePatch;
string[] lines = patchText.Split('\n');
for(int i = 0; i < lines.Length; i++)
{
input = lines[i];
validate = true;
if (IsStartOfANewPatch(input))
{
state = PatchProcessorState.InHeader;
validate = false;
patch = new Patch();
patches.Add(patch);
input = GitCommandHelpers.ReEncodeFileNameFromLossless(input);
patch.PatchHeader = input;
patch.Type = Patch.PatchType.ChangeFile;
ExtractPatchFilenames(patch);
}
else if (state == PatchProcessorState.InHeader)
{
if (IsChunkHeader(input))
state = PatchProcessorState.InBody;
else
{
//header lines are encoded in Settings.SystemEncoding
input = GitCommandHelpers.ReEncodeStringFromLossless(input, Settings.SystemEncoding);
if (IsIndexLine(input))
{
validate = false;
patch.PatchIndex = input;
}
else
{
if (SetPatchType(input, patch))
{ }
else if (IsUnlistedBinaryFileDelete(input))
{
if (patch.Type != Patch.PatchType.DeleteFile)
throw new FormatException("Change not parsed correct: " + input);
patch.File = Patch.FileType.Binary;
patch = null;
state = PatchProcessorState.OutsidePatch;
}
else if (IsUnlistedBinaryNewFile(input))
{
if (patch.Type != Patch.PatchType.NewFile)
throw new FormatException("Change not parsed correct: " + input);
patch.File = Patch.FileType.Binary;
//TODO: NOT SUPPORTED!
patch.Apply = false;
patch = null;
state = PatchProcessorState.OutsidePatch;
}
else if (IsBinaryPatch(input))
{
patch.File = Patch.FileType.Binary;
//TODO: NOT SUPPORTED!
patch.Apply = false;
patch = null;
state = PatchProcessorState.OutsidePatch;
}
}
}
}
if (state != PatchProcessorState.OutsidePatch)
{
if (validate)
ValidateInput(ref input, patch, state);
patch.AppendTextLine(input);
}
}
return patches;
}
public void ViewPatch(Patch patch)
{
string text = patch != null ? patch.Text : "";
ViewPatch(text);
}
/// <summary>
/// Diff part of patch is printed verbatim, everything else (header, warnings, ...) is printed in git encoding (GitModule.SystemEncoding)
/// Since patch may contain diff for more than one file, it would be nice to obtaining encoding for each of file
/// from .gitattributes, for now there is used one encoding, common for every file in repo (Settings.FilesEncoding)
/// File path can be quoted see core.quotepath, it is unquoted by GitCommandHelpers.ReEncodeFileNameFromLossless
/// </summary>
/// <param name="textReader"></param>
/// <returns></returns>
public List <Patch> CreatePatchesFromString(String patchText)
{
var patches = new List <Patch>();
Patch patch = null;
PatchProcessorState state = PatchProcessorState.OutsidePatch;
string[] lines = patchText.Split('\n');
for (int i = 0; i < lines.Length; i++)
{
string input = lines[i];
bool validate = true;
bool combinedDiff;
if (IsStartOfANewPatch(input, out combinedDiff))
{
state = PatchProcessorState.InHeader;
validate = false;
patch = new Patch();
patches.Add(patch);
input = GitModule.ReEncodeFileNameFromLossless(input);
patch.PatchHeader = input;
patch.Type = Patch.PatchType.ChangeFile;
patch.CombinedDiff = combinedDiff;
if (!combinedDiff)
{
ExtractPatchFilenames(patch);
}
}
else if (state == PatchProcessorState.InHeader)
{
if (IsChunkHeader(input))
{
state = PatchProcessorState.InBody;
}
else
{
//header lines are encoded in GitModule.SystemEncoding
input = GitModule.ReEncodeStringFromLossless(input, GitModule.SystemEncoding);
if (IsIndexLine(input))
{
validate = false;
patch.PatchIndex = input;
}
else
{
if (SetPatchType(input, patch))
{
}
else if (IsUnlistedBinaryFileDelete(input))
{
if (patch.Type != Patch.PatchType.DeleteFile)
{
throw new FormatException("Change not parsed correct: " + input);
}
patch.File = Patch.FileType.Binary;
patch = null;
state = PatchProcessorState.OutsidePatch;
}
else if (IsUnlistedBinaryNewFile(input))
{
if (patch.Type != Patch.PatchType.NewFile)
{
throw new FormatException("Change not parsed correct: " + input);
}
patch.File = Patch.FileType.Binary;
//TODO: NOT SUPPORTED!
patch.Apply = false;
patch = null;
state = PatchProcessorState.OutsidePatch;
}
else if (IsBinaryPatch(input))
{
patch.File = Patch.FileType.Binary;
//TODO: NOT SUPPORTED!
patch.Apply = false;
patch = null;
state = PatchProcessorState.OutsidePatch;
}
}
}
}
if (state != PatchProcessorState.OutsidePatch)
{
if (validate)
{
ValidateInput(ref input, patch, state);
}
patch.AppendText(input);
if (i < lines.Length - 1)
{
patch.AppendText("\n");
}
}
}
return(patches);
}
public void ApplyPatch(Patch patch)
{
patch.FileTextB = "";
patch.Rate = 100;
if (patch.Type == Patch.PatchType.DeleteFile)
{
patch.FileTextB = "";
patch.Rate = 100;
if (!File.Exists(DirToPatch + patch.FileNameA))
{
patch.Rate -= 40;
patch.Apply = false;
}
return;
}
if (patch.Text == null) return;
string [] patchLines = patch.Text.Split('\n');
if (patch.Type == Patch.PatchType.NewFile)
{
foreach (string line in patchLines)
{
if (line.Length > 0 && line.StartsWith("+"))
{
if (line.Length > 4 && line.StartsWith("+"))
patch.Text += line.Substring(4);
else
if (line.Length > 1)
patch.FileTextB += line.Substring(1);
patch.FileTextB += "\n";
}
}
if (patch.FileTextB.Length > 0 && patch.FileTextB[patch.FileTextB.Length - 1] == '\n')
patch.FileTextB = patch.FileTextB.Remove(patch.FileTextB.Length - 1, 1);
patch.Rate = 100;
if (File.Exists(DirToPatch + patch.FileNameB))
{
patch.Rate -= 40;
patch.Apply = false;
}
return;
}
if (patch.Type == Patch.PatchType.ChangeFile)
{
List<string> fileLines = new List<string>();
foreach (string s in LoadFile(patch.FileNameA).Split('\n'))
{
fileLines.Add(s);
}
int lineNumber = 0;
foreach (string line in patchLines)
{
//Parse fist line
//@@ -1,4 +1,4 @@
if (line.StartsWith("@@") && line.LastIndexOf("@@") > 0)
{
string pos = line.Substring(3, line.LastIndexOf("@@") - 3).Trim();
string [] addrem = pos.Split('+', '-');
string[] oldLines = addrem[1].Split(',');
string[] newLines = addrem[2].Split(',');
lineNumber = Int32.Parse(oldLines[0])-1;
//line = line.Substring(line.LastIndexOf("@@") + 3));
continue;
}
if (line.StartsWith(" "))
{
//Do some extra checks
if (line.Length > 0)
{
if (fileLines.Count > lineNumber && fileLines[lineNumber].CompareTo(line.Substring(1)) != 0)
patch.Rate -= 20;
}
else
{
if (fileLines.Count > lineNumber && fileLines[lineNumber] != "")
patch.Rate -= 20;
}
lineNumber++;
} else
if (line.StartsWith("-"))
{
if (line.Length > 0)
{
if (fileLines.Count > lineNumber && fileLines[lineNumber].CompareTo(line.Substring(1)) != 0)
patch.Rate -= 20;
} else
{
if (fileLines.Count > lineNumber && fileLines[lineNumber] != "")
patch.Rate -= 20;
}
patch.BookMarks.Add(lineNumber);
if (fileLines.Count > lineNumber)
fileLines.RemoveAt(lineNumber);
else
patch.Rate -= 20;
//lineNumber++;
} else
if (line.StartsWith("+"))
{
string insertLine = "";
if (line.Length > 1)
insertLine = line.Substring(1);
//Is the patch allready applied?
if (fileLines.Count > lineNumber && fileLines[lineNumber].CompareTo(insertLine) == 0)
{
patch.Rate -= 20;
}
fileLines.Insert(lineNumber, insertLine);
patch.BookMarks.Add(lineNumber);
lineNumber++;
}
}
foreach (string patchedLine in fileLines)
{
patch.FileTextB += patchedLine + "\n";
}
if (patch.FileTextB.Length > 0 && patch.FileTextB[patch.FileTextB.Length - 1] == '\n')
patch.FileTextB = patch.FileTextB.Remove(patch.FileTextB.Length - 1, 1);
if (patch.Rate != 100)
patch.Apply = false;
return;
}
}
public TestPatch()
{
Patch = new PatchApply.Patch();
PatchOutput = new StringBuilder();
}
/// <summary>
/// Diff part of patch is printed verbatim, everything else (header, warnings, ...) is printed in git encoding (GitModule.SystemEncoding)
/// Since patch may contain diff for more than one file, it would be nice to obtaining encoding for each of file
/// from .gitattributes, for now there is used one encoding, common for every file in repo (Settings.FilesEncoding)
/// File path can be quoted see core.quotepath, it is unquoted by GitCommandHelpers.ReEncodeFileNameFromLossless
/// </summary>
/// <param name="lines">patch lines</param>
/// <param name="lineIndex">start index</param>
/// <returns></returns>
public Patch CreatePatchFromString(string[] lines, ref int lineIndex)
{
if (lineIndex >= lines.Length)
return null;
string input = lines[lineIndex];
bool combinedDiff;
if (!IsStartOfANewPatch(input, out combinedDiff))
return null;
PatchProcessorState state = PatchProcessorState.InHeader;
Patch patch = new Patch();
input = GitModule.ReEncodeFileNameFromLossless(input);
patch.PatchHeader = input;
patch.Type = Patch.PatchType.ChangeFile;
patch.CombinedDiff = combinedDiff;
ExtractPatchFilenames(patch);
patch.AppendText(input);
if (lineIndex < lines.Length - 1)
patch.AppendText("\n");
int i = lineIndex + 1;
for (; i < lines.Length; i++)
{
input = lines[i];
if (IsStartOfANewPatch(input))
{
lineIndex = i - 1;
return patch;
}
if (IsChunkHeader(input))
{
state = PatchProcessorState.InBody;
break;
}
//header lines are encoded in GitModule.SystemEncoding
input = GitModule.ReEncodeStringFromLossless(input, GitModule.SystemEncoding);
if (IsIndexLine(input))
{
patch.PatchIndex = input;
if (i < lines.Length - 1)
input += "\n";
patch.AppendText(input);
continue;
}
if (SetPatchType(input, patch))
{
}
else if (IsUnlistedBinaryFileDelete(input))
{
if (patch.Type != Patch.PatchType.DeleteFile)
throw new FormatException("Change not parsed correct: " + input);
patch.File = Patch.FileType.Binary;
state = PatchProcessorState.OutsidePatch;
break;
}
else if (IsUnlistedBinaryNewFile(input))
{
if (patch.Type != Patch.PatchType.NewFile)
throw new FormatException("Change not parsed correct: " + input);
patch.File = Patch.FileType.Binary;
//TODO: NOT SUPPORTED!
patch.Apply = false;
state = PatchProcessorState.OutsidePatch;
break;
}
else if (IsBinaryPatch(input))
{
patch.File = Patch.FileType.Binary;
//TODO: NOT SUPPORTED!
patch.Apply = false;
state = PatchProcessorState.OutsidePatch;
break;
}
ValidateHeader(ref input, patch);
if (i < lines.Length - 1)
input += "\n";
patch.AppendText(input);
}
// process patch body
for (; i < lines.Length; i++)
{
input = lines[i];
if (IsStartOfANewPatch(input, out combinedDiff))
{
lineIndex = i - 1;
return patch;
}
if (state == PatchProcessorState.InBody && input.StartsWithAny(new[] { " ", "-", "+", "@" }))
{
//diff content
input = GitModule.ReEncodeStringFromLossless(input, FilesContentEncoding);
}
else
{
//warnings, messages ...
input = GitModule.ReEncodeStringFromLossless(input, GitModule.SystemEncoding);
}
if (i < lines.Length - 1)
input += "\n";
patch.AppendText(input);
}
lineIndex = i - 1;
return patch;
}
public List <Patch> CreatePatchesFromReader(TextReader textReader)
{
var patches = new List <Patch>();
Patch patch = null;
bool gitPatch = false;
string input;
while ((input = textReader.ReadLine()) != null)
{
if (IsStartOfANewPatch(input))
{
gitPatch = true;
patch = new Patch();
patch.PatchHeader = input;
patch.AppendTextLine(patch.PatchHeader);
patches.Add(patch);
input = GitCommandHelpers.ReEncodeFileName(input);
ExtractPatchFilenames(input, patch);
if ((input = textReader.ReadLine()) != null)
{
if (IsStartOfANewPatch(input))
{
continue;
}
SetPatchType(input, patch);
if (!IsIndexLine(input))
{
if (textReader.ReadLine() == null)
{
break;
}
}
else
{
patch.PatchIndex = input;
patch.AppendTextLine(patch.PatchIndex);
}
}
if ((input = textReader.ReadLine()) != null)
{
input = GitCommandHelpers.ReEncodeFileName(input);
if (IsUnlistedBinaryFileDelete(input))
{
patch.File = Patch.FileType.Binary;
if (patch.Type != Patch.PatchType.DeleteFile)
{
throw new FormatException("Change not parsed correct: " + input);
}
patch = null;
continue;
}
if (IsUnlistedBinaryNewFile(input))
{
patch.File = Patch.FileType.Binary;
if (patch.Type != Patch.PatchType.NewFile)
{
throw new FormatException("Change not parsed correct: " + input);
}
//TODO: NOT SUPPORTED!
patch.Apply = false;
patch = null;
continue;
}
if (IsBinaryPatch(input))
{
patch.File = Patch.FileType.Binary;
//TODO: NOT SUPPORTED!
patch.Apply = false;
patch = null;
continue;
}
}
//continue;
}
if (!gitPatch || patch != null)
{
ValidateInput(ref input, patch, gitPatch);
}
if (patch != null)
{
patch.AppendTextLine(input);
}
}
return(patches);
}
public void TestConstructor()
{
Patch patch = new Patch();
Assert.IsNotNull(patch);
}
public List<Patch> CreatePatchesFromReader(TextReader textReader)
{
var patches = new List<Patch>();
Patch patch = null;
bool gitPatch = false;
string input;
while ((input = textReader.ReadLine()) != null)
{
if (IsStartOfANewPatch(input))
{
gitPatch = true;
patch = new Patch();
patch.PatchHeader = input;
patch.AppendTextLine(patch.PatchHeader);
patches.Add(patch);
input = GitCommandHelpers.ReEncodeFileName(input);
ExtractPatchFilenames(input, patch);
if ((input = textReader.ReadLine()) != null)
{
if (IsStartOfANewPatch(input))
{
continue;
}
SetPatchType(input, patch);
if (!IsIndexLine(input))
{
if (textReader.ReadLine() == null)
{
break;
}
}
else
{
patch.PatchIndex = input;
patch.AppendTextLine(patch.PatchIndex);
}
}
if ((input = textReader.ReadLine()) != null)
{
input = GitCommandHelpers.ReEncodeFileName(input);
if (IsUnlistedBinaryFileDelete(input))
{
patch.File = Patch.FileType.Binary;
if (patch.Type != Patch.PatchType.DeleteFile)
throw new FormatException("Change not parsed correct: " + input);
patch = null;
continue;
}
if (IsUnlistedBinaryNewFile(input))
{
patch.File = Patch.FileType.Binary;
if (patch.Type != Patch.PatchType.NewFile)
throw new FormatException("Change not parsed correct: " + input);
//TODO: NOT SUPPORTED!
patch.Apply = false;
patch = null;
continue;
}
if (IsBinaryPatch(input))
{
patch.File = Patch.FileType.Binary;
//TODO: NOT SUPPORTED!
patch.Apply = false;
patch = null;
continue;
}
}
//continue;
}
if (!gitPatch || patch != null)
{
ValidateInput(ref input, patch, gitPatch);
}
if (patch != null)
patch.AppendTextLine(input);
}
return patches;
}
/// <summary>
/// Diff part of patch is printed verbatim, everything else (header, warnings, ...) is printed in git encoding (GitModule.SystemEncoding)
/// Since patch may contain diff for more than one file, it would be nice to obtaining encoding for each of file
/// from .gitattributes, for now there is used one encoding, common for every file in repo (Settings.FilesEncoding)
/// File path can be quoted see core.quotepath, it is unquoted by GitCommandHelpers.ReEncodeFileNameFromLossless
/// </summary>
/// <param name="lines">patch lines</param>
/// <param name="lineIndex">start index</param>
/// <returns></returns>
public Patch CreatePatchFromString(string[] lines, ref int lineIndex)
{
if (lineIndex >= lines.Length)
{
return(null);
}
string input = lines[lineIndex];
bool combinedDiff;
if (!IsStartOfANewPatch(input, out combinedDiff))
{
return(null);
}
PatchProcessorState state = PatchProcessorState.InHeader;
Patch patch = new Patch();
input = GitModule.ReEncodeFileNameFromLossless(input);
patch.PatchHeader = input;
patch.Type = Patch.PatchType.ChangeFile;
patch.CombinedDiff = combinedDiff;
ExtractPatchFilenames(patch);
patch.AppendText(input);
if (lineIndex < lines.Length - 1)
{
patch.AppendText("\n");
}
int i = lineIndex + 1;
for (; i < lines.Length; i++)
{
input = lines[i];
if (IsStartOfANewPatch(input))
{
lineIndex = i - 1;
return(patch);
}
if (IsChunkHeader(input))
{
state = PatchProcessorState.InBody;
break;
}
//header lines are encoded in GitModule.SystemEncoding
input = GitModule.ReEncodeStringFromLossless(input, GitModule.SystemEncoding);
if (IsIndexLine(input))
{
patch.PatchIndex = input;
if (i < lines.Length - 1)
{
input += "\n";
}
patch.AppendText(input);
continue;
}
if (SetPatchType(input, patch))
{
}
else if (IsUnlistedBinaryFileDelete(input))
{
if (patch.Type != Patch.PatchType.DeleteFile)
{
throw new FormatException("Change not parsed correct: " + input);
}
patch.File = Patch.FileType.Binary;
state = PatchProcessorState.OutsidePatch;
break;
}
else if (IsUnlistedBinaryNewFile(input))
{
if (patch.Type != Patch.PatchType.NewFile)
{
throw new FormatException("Change not parsed correct: " + input);
}
patch.File = Patch.FileType.Binary;
//TODO: NOT SUPPORTED!
patch.Apply = false;
state = PatchProcessorState.OutsidePatch;
break;
}
else if (IsBinaryPatch(input))
{
patch.File = Patch.FileType.Binary;
//TODO: NOT SUPPORTED!
patch.Apply = false;
state = PatchProcessorState.OutsidePatch;
break;
}
ValidateHeader(ref input, patch);
if (i < lines.Length - 1)
{
input += "\n";
}
patch.AppendText(input);
}
// process patch body
for (; i < lines.Length; i++)
{
input = lines[i];
if (IsStartOfANewPatch(input, out combinedDiff))
{
lineIndex = i - 1;
return(patch);
}
if (state == PatchProcessorState.InBody && input.StartsWithAny(new[] { " ", "-", "+", "@" }))
{
//diff content
input = GitModule.ReEncodeStringFromLossless(input, FilesContentEncoding);
}
else
{
//warnings, messages ...
input = GitModule.ReEncodeStringFromLossless(input, GitModule.SystemEncoding);
}
if (i < lines.Length - 1)
{
input += "\n";
}
patch.AppendText(input);
}
lineIndex = i - 1;
return(patch);
}
private static void ValidateInput(ref string input, Patch patch, bool gitPatch)
{
//The previous check checked only if the file was binary
//--- /dev/null
//means there is no old file, so this should be a new file
if (IsOldFileMissing(input))
{
if (gitPatch && patch.Type != Patch.PatchType.NewFile)
throw new FormatException("Change not parsed correct: " + input);
}
//line starts with --- means, old file name
if (HasOldFileName(input))
{
input = GitCommandHelpers.ReEncodeFileName(input);
if (gitPatch && patch.FileNameA != (input.Substring(6).Trim()))
throw new FormatException("Old filename not parsed correct: " + input);
}
if (IsNewFileMissing(input))
{
if (gitPatch && patch.Type != Patch.PatchType.DeleteFile)
throw new FormatException("Change not parsed correct: " + input);
}
//line starts with +++ means, new file name
//we expect a new file now!
if (input.StartsWith("+++ ") && !IsNewFileMissing(input))
{
input = GitCommandHelpers.ReEncodeFileName(input);
Match regexMatch = Regex.Match(input, "[+]{3}[ ][\\\"]{0,1}[b]/(.*)[\\\"]{0,1}");
if (gitPatch && patch.FileNameB != (regexMatch.Groups[1].Value.Trim()))
throw new FormatException("New filename not parsed correct: " + input);
}
}
private static void SetPatchType(string input, Patch patch)
{
if (input.StartsWith("new file mode "))
patch.Type = Patch.PatchType.NewFile;
else if (input.StartsWith("deleted file mode "))
patch.Type = Patch.PatchType.DeleteFile;
else
patch.Type = Patch.PatchType.ChangeFile;
}
private void ShowPatch(Patch patch)
{
string syntax = "XML";
if ((patch.FileNameB.LastIndexOf('.') > 0))
{
string extension = patch.FileNameB.Substring(patch.FileNameB.LastIndexOf('.') + 1).ToUpper();
switch (extension)
{
case "BAS":
case "VBS":
case "VB":
syntax = "VBNET";
break;
case "CS":
syntax = "C#";
break;
case "CMD":
case "BAT":
syntax = "BAT";
break;
case "C":
case "RC":
case "IDL":
case "H":
case "CPP":
syntax = "C#";
break;
default:
break;
}
}
View.SetHighlighting(syntax);
View.Text = patch.Text;
View.Refresh();
}
public TestPatch()
{
Patch = new Patch();
PatchOutput = new StringBuilder();
}
public void LoadPatchStream(TextReader re, bool applyPatch)
{
string input = null;
patches = new List<Patch>();
Patch patch = null;
bool gitPatch = false;
input = re.ReadLine();
while (input != null)
{
//diff --git a/FileA b/FileB
//new patch found
if (input.StartsWith("diff --git "))
{
gitPatch = true;
patch = new Patch();
patches.Add(patch);
patch.FileNameA = input.Substring(input.LastIndexOf(" a/") + 3, input.LastIndexOf(" b/") - (input.LastIndexOf(" a/") + 3));
patch.FileNameB = input.Substring(input.LastIndexOf(" b/") + 3);
//The next line tells us what kind of patch
//new file mode xxxxxx means new file
//delete file mode xxxxxx means delete file
//index means -> no new and no delete, edit
if ((input = re.ReadLine()) != null)
{
//WTF! No change
if (input.StartsWith("diff --git "))
{
//No change? lets continue to the next line
continue;
}
//new file!
if (input.StartsWith("new file mode "))
patch.Type = Patch.PatchType.NewFile;
else
if (input.StartsWith("deleted file mode "))
patch.Type = Patch.PatchType.DeleteFile;
else
patch.Type = Patch.PatchType.ChangeFile;
//we need to move to the line that says 'index'
//because we are not sure if we are there yet because
//we might point at the new or delete line lines
if (!input.StartsWith("index "))
if ((input = re.ReadLine()) == null)
break;
}
//The next lines tells us more about the change itself
//Read the next
if ((input = re.ReadLine()) != null)
{
//Binary files a/FileA and /dev/null differ
//means the file is deleted but the changes are not listed explicid
if (input.StartsWith("Binary files a/") && input.EndsWith(" and /dev/null differ"))
{
patch.File = Patch.FileType.Binary;
//Check if the type was set correctly
if (patch.Type != Patch.PatchType.DeleteFile)
throw new Exception("Change not parsed correct: " + input);
patch = null;
if ((input = re.ReadLine()) == null)
break;
//Continue loop, we do not get more info about this change
continue;
}
//Binary files a/FileA and /dev/null differ
//means the file is deleted but the changes are not listed explicid
if (input.StartsWith("Binary files /dev/null and b/") && input.EndsWith(" differ"))
{
patch.File = Patch.FileType.Binary;
//Check if the type was set correctly
if (patch.Type != Patch.PatchType.NewFile)
throw new Exception("Change not parsed correct: " + input);
//TODO: NOT SUPPORTED!
patch.Apply = false;
patch = null;
if ((input = re.ReadLine()) == null)
break;
continue;
}
//GIT binary patch
//means the file is binairy
if (input.StartsWith("GIT binary patch"))
{
patch.File = Patch.FileType.Binary;
//TODO: NOT SUPPORTED!
patch.Apply = false;
patch = null;
if ((input = re.ReadLine()) == null)
break;
continue;
}
}
continue;
}
if (!gitPatch || gitPatch && patch != null)
{
//The previous check checked only if the file was binary
//--- /dev/null
//means there is no old file, so this should be a new file
if (input.StartsWith("--- /dev/null"))
{
if (!gitPatch)
{
patch = new Patch();
patches.Add(patch);
}
if (gitPatch && patch.Type != Patch.PatchType.NewFile)
throw new Exception("Change not parsed correct: " + input);
//This line is parsed, NEXT!
if ((input = re.ReadLine()) == null)
break;
}
//line starts with --- means, old file name
if (input.StartsWith("--- a/") && !input.StartsWith("--- /dev/null"))
{
if (!gitPatch)
{
patch = new Patch();
patches.Add(patch);
}
if (gitPatch && patch.FileNameA != (input.Substring(6).Trim()))
throw new Exception("Old filename not parsed correct: " + input);
patch.FileNameA = (input.Substring(6).Trim());
//This line is parsed, NEXT!
if ((input = re.ReadLine()) == null)
break;
}
//If there is no 'newfile', reset files
if (input.StartsWith("+++ /dev/null"))
{
if (gitPatch && patch.Type != Patch.PatchType.DeleteFile)
throw new Exception("Change not parsed correct: " + input);
//This line is parsed, NEXT!
if ((input = re.ReadLine()) == null)
break;
}
//line starts with +++ means, new file name
//we expect a new file now!
if (input.StartsWith("+++ ") && !input.StartsWith("+++ /dev/null"))
{
if (gitPatch && patch.FileNameB != (input.Substring(6).Trim()))
throw new Exception("New filename not parsed correct: " + input);
patch.FileNameB = (input.Substring(6).Trim());
//This line is parsed, NEXT!
if ((input = re.ReadLine()) == null)
break;
}
}
if (patch != null)
patch.Text += input + "\n";
if ((input = re.ReadLine()) == null)
break;
}
re.Close();
if (applyPatch)
{
foreach (Patch patchApply in patches)
{
if (patchApply.Apply == true)
ApplyPatch(patchApply);
}
}
}
private void handleChangeFilePatchType(Patch patch, string[] patchLines)
{
List<string> fileLines = new List<string>();
foreach (string s in LoadFile(patch.FileNameA).Split('\n'))
{
fileLines.Add(s);
}
int lineNumber = 0;
foreach (string line in patchLines)
{
//Parse fist line
//@@ -1,4 +1,4 @@
if (line.StartsWith("@@") && line.LastIndexOf("@@") > 0)
{
string pos = line.Substring(3, line.LastIndexOf("@@") - 3).Trim();
string[] addrem = pos.Split('+', '-');
string[] oldLines = addrem[1].Split(',');
string[] newLines = addrem[2].Split(',');
lineNumber = Int32.Parse(oldLines[0]) - 1;
//line = line.Substring(line.LastIndexOf("@@") + 3));
continue;
}
if (line.StartsWith(" "))
{
//Do some extra checks
if (line.Length > 0)
{
if (fileLines.Count > lineNumber && fileLines[lineNumber].CompareTo(line.Substring(1)) != 0)
patch.Rate -= 20;
}
else
{
if (fileLines.Count > lineNumber && fileLines[lineNumber] != "")
patch.Rate -= 20;
}
lineNumber++;
}
if (line.StartsWith("-"))
{
if (line.Length > 0)
{
if (fileLines.Count > lineNumber && fileLines[lineNumber].CompareTo(line.Substring(1)) != 0)
patch.Rate -= 20;
}
else
{
if (fileLines.Count > lineNumber && fileLines[lineNumber] != "")
patch.Rate -= 20;
}
patch.Bookmarks.Add(lineNumber);
if (fileLines.Count > lineNumber)
fileLines.RemoveAt(lineNumber);
else
patch.Rate -= 20;
//lineNumber++;
}
if (line.StartsWith("+"))
{
string insertLine = "";
if (line.Length > 1)
insertLine = line.Substring(1);
//Is the patch allready applied?
if (fileLines.Count > lineNumber && fileLines[lineNumber].CompareTo(insertLine) == 0)
{
patch.Rate -= 20;
}
fileLines.Insert(lineNumber, insertLine);
patch.Bookmarks.Add(lineNumber);
lineNumber++;
}
}
foreach (string patchedLine in fileLines)
{
patch.FileTextB += patchedLine + "\n";
}
if (patch.FileTextB.Length > 0 && patch.FileTextB[patch.FileTextB.Length - 1] == '\n')
patch.FileTextB = patch.FileTextB.Remove(patch.FileTextB.Length - 1, 1);
if (patch.Rate != 100)
patch.Apply = false;
}
private void ShowPatch(Patch patch)
{
View.ViewPatch(patch.Text);
}
private void handleDeletePatchType(Patch patch)
{
patch.FileTextB = "";
patch.Rate = 100;
if (!File.Exists(DirToPatch + patch.FileNameA))
{
patch.Rate -= 40;
patch.Apply = false;
}
}
private void handleNewFilePatchType(Patch patch, string[] patchLines)
{
foreach (string line in patchLines)
{
if (line.Length > 0 && line.StartsWith("+"))
{
if (line.Length > 4 && line.StartsWith("+"))
patch.AppendText(line.Substring(4));
else
if (line.Length > 1)
patch.FileTextB += line.Substring(1);
patch.FileTextB += "\n";
}
}
if (patch.FileTextB.Length > 0 && patch.FileTextB[patch.FileTextB.Length - 1] == '\n')
patch.FileTextB = patch.FileTextB.Remove(patch.FileTextB.Length - 1, 1);
patch.Rate = 100;
if (File.Exists(DirToPatch + patch.FileNameB))
{
patch.Rate -= 40;
patch.Apply = false;
}
}
private static void ExtractPatchFilenames(Patch patch)
{
Match match = Regex.Match(patch.PatchHeader,
"[ ][\\\"]{0,1}[a]/(.*)[\\\"]{0,1}[ ][\\\"]{0,1}[b]/(.*)[\\\"]{0,1}");
patch.FileNameA = match.Groups[1].Value;
patch.FileNameB = match.Groups[2].Value;
}
public void ViewStagingPatch(Patch patch)
{
ViewPatch(patch);
Reset(true, true, true);
}
private void ValidateInput(ref string input, Patch patch, PatchProcessorState state)
{
if (state == PatchProcessorState.InHeader)
{
//--- /dev/null
//means there is no old file, so this should be a new file
if (IsOldFileMissing(input))
{
if (patch.Type != Patch.PatchType.NewFile)
{
throw new FormatException("Change not parsed correct: " + input);
}
}
//line starts with --- means, old file name
else if (input.StartsWith("--- "))
{
input = GitModule.UnquoteFileName(input);
Match regexMatch = Regex.Match(input, "[-]{3}[ ][\\\"]{0,1}[aiwco12]/(.*)[\\\"]{0,1}");
if (!regexMatch.Success || patch.FileNameA != (regexMatch.Groups[1].Value.Trim()))
{
if (!patch.CombinedDiff)
{
throw new FormatException("Old filename not parsed correct: " + input);
}
patch.FileNameA = regexMatch.Groups[1].Value.Trim();
}
}
else if (IsNewFileMissing(input))
{
if (patch.Type != Patch.PatchType.DeleteFile)
{
throw new FormatException("Change not parsed correct: " + input);
}
}
//line starts with +++ means, new file name
//we expect a new file now!
else if (input.StartsWith("+++ "))
{
if (patch.CombinedDiff)
{
return;
}
input = GitModule.UnquoteFileName(input);
Match regexMatch = Regex.Match(input, "[+]{3}[ ][\\\"]{0,1}[biwco12]/(.*)[\\\"]{0,1}");
if (!regexMatch.Success || patch.FileNameB != (regexMatch.Groups[1].Value.Trim()))
{
if (!patch.CombinedDiff)
{
throw new FormatException("New filename not parsed correct: " + input);
}
patch.FileNameB = regexMatch.Groups[1].Value.Trim();
}
}
}
else
{
if (input.StartsWithAny(new string[] { " ", "-", "+", "@" }))
{
//diff content
input = GitModule.ReEncodeStringFromLossless(input, FilesContentEncoding);
}
else
{
//warnings, messages ...
input = GitModule.ReEncodeStringFromLossless(input, GitModule.SystemEncoding);
}
}
}
