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using System;
using System.Runtime.InteropServices;
namespace LibGit2Sharp.Core
{
[Flags]
internal enum GitBlameOptionFlags
{
/// <summary>
/// Normal blame, the default
/// </summary>
GIT_BLAME_NORMAL = 0,
/// <summary>
/// Track lines that have moved within a file (like `git blame -M`).
/// </summary>
GIT_BLAME_TRACK_COPIES_SAME_FILE = (1 << 0),
/** Track lines that have moved across files in the same commit (like `git blame -C`).
* NOT IMPLEMENTED. */
GIT_BLAME_TRACK_COPIES_SAME_COMMIT_MOVES = (1 << 1),
/// <summary>
/// Track lines that have been copied from another file that exists in the
/// same commit (like `git blame -CC`). Implies SAME_FILE.
/// </summary>
GIT_BLAME_TRACK_COPIES_SAME_COMMIT_COPIES = (1 << 2),
/// <summary>
/// Track lines that have been copied from another file that exists in *any*
/// commit (like `git blame -CCC`). Implies SAME_COMMIT_COPIES.
/// </summary>
GIT_BLAME_TRACK_COPIES_ANY_COMMIT_COPIES = (1 << 3),
/// <summary>
/// Restrict the search of commits to those reachable
/// following only the first parents.
/// </summary>
GIT_BLAME_FIRST_PARENT = (1<<4),
}
[StructLayout(LayoutKind.Sequential)]
internal class GitBlameOptions
{
public uint version = 1;
public GitBlameOptionFlags flags;
public UInt16 MinMatchCharacters;
public GitOid NewestCommit;
public GitOid OldestCommit;
public uint MinLine;
public uint MaxLine;
}
[StructLayout(LayoutKind.Sequential)]
internal class GitBlameHunk
{
public ushort LinesInHunk;
public GitOid FinalCommitId;
public ushort FinalStartLineNumber;
public IntPtr FinalSignature;
public GitOid OrigCommitId;
public IntPtr OrigPath;
public ushort OrigStartLineNumber;
public IntPtr OrigSignature;
public byte Boundary;
}
internal static class BlameStrategyExtensions
{
public static GitBlameOptionFlags ToGitBlameOptionFlags(this BlameStrategy strategy)
{
switch (strategy)
{
case BlameStrategy.Default:
return GitBlameOptionFlags.GIT_BLAME_NORMAL;
default:
throw new NotSupportedException(string.Format("{0} is not supported at this time", strategy));
}
}
}
}
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