/// <summary>
/// Throws ArgumentException.
/// Throws GitOperationException in case of problems with git.
/// </summary>
public DiffContext GetContext(DiffPosition position, ContextDepth depth)
{
if (!Context.Helpers.IsValidPosition(position))
{
throw new ArgumentException(
String.Format("Bad \"position\": {0}", position.ToString()));
}
if (!Context.Helpers.IsValidContextDepth(depth))
{
throw new ArgumentException(
String.Format("Bad \"depth\": {0}", depth.ToString()));
}
bool isRightSideContext = position.RightLine != null;
int linenumber = isRightSideContext ? int.Parse(position.RightLine) : int.Parse(position.LeftLine);
string filename = isRightSideContext ? position.RightPath : position.LeftPath;
string sha = isRightSideContext ? position.Refs.RightSHA : position.Refs.LeftSHA;
List <string> contents = _gitRepository.ShowFileByRevision(filename, sha);
if (linenumber > contents.Count)
{
throw new ArgumentException(
String.Format("Line number {0} is greater than total line number count, invalid \"position\": {1}",
linenumber.ToString(), position.ToString()));
}
return(createDiffContext(linenumber, contents, isRightSideContext, depth));
}
/// <summary>
/// Throws ArgumentException, ContextMakingException.
/// </summary>
public DiffContext GetContext(DiffPosition position, ContextDepth depth)
{
if (!Context.Helpers.IsValidPosition(position))
{
throw new ArgumentException(
String.Format("Bad \"position\": {0}", position.ToString()));
}
if (!Context.Helpers.IsValidContextDepth(depth))
{
throw new ArgumentException(
String.Format("Bad \"depth\": {0}", depth.ToString()));
}
// If RightLine is valid, then it points to either added/modified or unchanged line, handle them the same way
bool isRightSideContext = position.RightLine != null;
int linenumber = isRightSideContext ? int.Parse(position.RightLine) : int.Parse(position.LeftLine);
string leftFilename = position.LeftPath;
string rightFilename = position.RightPath;
string leftSHA = position.Refs.LeftSHA;
string rightSHA = position.Refs.RightSHA;
FullContextDiffProvider provider = new FullContextDiffProvider(_git);
FullContextDiff context = provider.GetFullContextDiff(leftSHA, rightSHA, leftFilename, rightFilename);
Debug.Assert(context.Left.Count == context.Right.Count);
if (linenumber > context.Left.Count)
{
throw new ArgumentException(
String.Format("Line number {0} is greater than total line number count, invalid \"position\": {1}",
linenumber.ToString(), position.ToString()));
}
return(createDiffContext(linenumber, isRightSideContext, context, depth));
}
/// <summary>
/// Throws ArgumentException, ContextMakingException.
/// </summary>
public DiffContext GetContext(DiffPosition position, ContextDepth depth)
{
if (!Context.Helpers.IsValidPosition(position))
{
throw new ArgumentException(
String.Format("Bad \"position\": {0}", position.ToString()));
}
if (!Context.Helpers.IsValidContextDepth(depth))
{
throw new ArgumentException(
String.Format("Bad \"depth\": {0}", depth.ToString()));
}
GitDiffAnalyzer analyzer = new GitDiffAnalyzer(_git,
position.Refs.LeftSHA, position.Refs.RightSHA, position.LeftPath, position.RightPath);
// If RightLine is valid, then it points to either added/modified or unchanged line, handle them the same way
bool isRightSideContext = position.RightLine != null;
int linenumber = isRightSideContext ? int.Parse(position.RightLine) : int.Parse(position.LeftLine);
string filename = isRightSideContext ? position.RightPath : position.LeftPath;
string sha = isRightSideContext ? position.Refs.RightSHA : position.Refs.LeftSHA;
GitShowRevisionArguments arguments = new GitShowRevisionArguments(filename, sha);
IEnumerable <string> contents;
try
{
contents = _git?.ShowRevision(arguments);
}
catch (GitNotAvailableDataException ex)
{
throw new ContextMakingException("Cannot obtain git revision", ex);
}
if (contents == null)
{
throw new ContextMakingException("Cannot obtain git revision", null);
}
if (linenumber > contents.Count())
{
throw new ArgumentException(
String.Format("Line number {0} is greater than total line number count, invalid \"position\": {1}",
linenumber.ToString(), position.ToString()));
}
return(createDiffContext(linenumber, isRightSideContext, contents, analyzer, depth));
}
/// <summary>
/// Throws ArgumentException, ContextMakingException.
/// </summary>
public DiffContext GetContext(DiffPosition position, ContextDepth depth, UnchangedLinePolicy unchangedLinePolicy)
{
if (!Context.Helpers.IsValidPosition(position))
{
throw new ArgumentException(
String.Format("Bad \"position\": {0}", position.ToString()));
}
if (!Context.Helpers.IsValidContextDepth(depth))
{
throw new ArgumentException(
String.Format("Bad \"depth\": {0}", depth.ToString()));
}
bool isRightSideContext = Helpers.IsRightSidePosition(position, unchangedLinePolicy);
int linenumber = isRightSideContext ? Helpers.GetRightLineNumber(position) : Helpers.GetLeftLineNumber(position);
string filename = isRightSideContext ? position.RightPath : position.LeftPath;
string sha = isRightSideContext ? position.Refs.RightSHA : position.Refs.LeftSHA;
GitShowRevisionArguments arguments = new GitShowRevisionArguments(filename, sha);
IEnumerable <string> contents;
try
{
contents = _git?.ShowRevision(arguments);
}
catch (GitNotAvailableDataException ex)
{
throw new ContextMakingException("Cannot obtain git revision", ex);
}
if (contents == null)
{
throw new ContextMakingException("Cannot obtain git revision", null);
}
if (linenumber > contents.Count())
{
throw new ArgumentException(
String.Format("Line number {0} is greater than total line number count, invalid \"position\": {1}",
linenumber.ToString(), position.ToString()));
}
return(createDiffContext(linenumber, contents, isRightSideContext, depth));
}
/// <summary>
/// Throws ArgumentException, ContextMakingException.
/// </summary>
public DiffContext GetContext(DiffPosition position, ContextDepth depth, UnchangedLinePolicy unchangedLinePolicy)
{
if (!Context.Helpers.IsValidPosition(position))
{
throw new ArgumentException(
String.Format("Bad \"position\": {0}", position.ToString()));
}
if (!Context.Helpers.IsValidContextDepth(depth))
{
throw new ArgumentException(
String.Format("Bad \"depth\": {0}", depth.ToString()));
}
bool isRightSideContext = Helpers.IsRightSidePosition(position, unchangedLinePolicy);
int linenumber = isRightSideContext ? Helpers.GetRightLineNumber(position) : Helpers.GetLeftLineNumber(position);
string leftFilename = position.LeftPath;
string rightFilename = position.RightPath;
string leftSHA = position.Refs.LeftSHA;
string rightSHA = position.Refs.RightSHA;
try
{
FullContextDiff context = _git.FullContextDiffProvider.GetFullContextDiff(
leftSHA, rightSHA, leftFilename, rightFilename);
Debug.Assert(context.Left.Count == context.Right.Count);
if (linenumber > context.Left.Count)
{
throw new ArgumentException(
String.Format("Line number {0} is greater than total line number count, invalid \"position\": {1}",
linenumber.ToString(), position.ToString()));
}
return(createDiffContext(linenumber, isRightSideContext, context, depth));
}
catch (FullContextDiffProviderException ex)
{
throw new ContextMakingException("Cannot obtain full context diff", ex);
}
}