static void TestValidDiff(Hashtable a, Hashtable b, HashDiff diff)
{
diff.Apply(a);
HashDiff newdiff = JsonDiff.Diff(a, b);
System.Diagnostics.Debug.Assert(newdiff.Empty());
}
static void TestMerge(string s_parent, string s_left, string s_right)
{
Hashtable parent = Sjson(s_parent);
Hashtable left = Sjson(s_left);
Hashtable right = Sjson(s_right);
Hashtable res = JsonDiff.Merge(parent, left, right);
System.Diagnostics.Debug.WriteLine(SJSON.Encode(res));
}
static void TestDiff(string s_a, string s_b)
{
Hashtable a = Sjson(s_a);
Hashtable b = Sjson(s_b);
HashDiff diff = JsonDiff.Diff(a, b);
PrintDiff(diff);
TestValidDiff(a, b, diff);
}
/// <summary>
/// Computes the three-way-merge of Json hashtables.
/// </summary>
public static Hashtable Merge(Hashtable parent, Hashtable left, Hashtable right)
{
HashDiff left_diff = JsonDiff.Diff(parent, left);
HashDiff right_diff = JsonDiff.Diff(parent, right);
HashDiff diff = HashDiff.Merge(left_diff, right_diff);
Hashtable res = parent.DeepClone();
diff.Apply(res);
return(res);
}
/// <summary>
/// Computes the three-way-merge of Json hashtables and returns the intermediate diff results.
/// </summary>
public static Hashtable MergeDetailed(Hashtable parent, Hashtable left, Hashtable right,
out HashDiff left_diff, out HashDiff right_diff, out HashDiff merged_diff)
{
left_diff = JsonDiff.Diff(parent, left);
right_diff = JsonDiff.Diff(parent, right);
merged_diff = HashDiff.Merge(left_diff, right_diff);
Hashtable res = parent.DeepClone();
merged_diff.Apply(res);
return(res);
}
static void Main(string[] args)
{
// We need to set this to prevent parse errors in JSON/SJSON parsing.
Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
// Print usage information if there where no arguments.
if (args.Length == 0)
{
PrintUsage();
}
// -hold can be used as a debugging tool, to give a debugger the chance
// to attach to the process when it is just starting up.
bool escape_hold = false;
int i = 0;
while (i < args.Length)
{
if (args[i] == "-json")
{
_use_json = true;
++i;
}
else if (args[i] == "-window")
{
_window = true;
++i;
}
else if (args[i] == "-diff")
{
if (i + 2 >= args.Length)
{
Error("Not enough arguments for -diff");
}
Hashtable a = Load(args[i + 1]);
Hashtable b = Load(args[i + 2]);
HashDiff diff = JsonDiff.Diff(a, b);
if (_window)
{
DiffVisualForm form = new DiffVisualForm(a, b, diff, _use_json);
form.ShowDialog();
}
else
{
StringBuilder sb = new StringBuilder();
diff.Write(sb);
Show(sb.ToString(), "Diff");
}
i += 3;
}
else if (args[i] == "-merge")
{
if (i + 4 >= args.Length)
{
Error("Not enough arguments for -merge");
}
Hashtable parent = Load(args[i + 1]);
Hashtable theirs = Load(args[i + 2]);
Hashtable mine = Load(args[i + 3]);
if (_window)
{
HashDiff theirs_diff, mine_diff, merged_diff;
Hashtable result = JsonDiff.MergeDetailed(parent, theirs, mine,
out theirs_diff, out mine_diff, out merged_diff);
MergeVisualForm form = new MergeVisualForm(parent, theirs, theirs_diff,
mine, mine_diff, result, merged_diff, _use_json);
form.ShowDialog();
Save(result, args[i + 4]);
}
else
{
Hashtable result = JsonDiff.Merge(parent, theirs, mine);
Save(result, args[i + 4]);
}
// Remove source files (should their be an option for this?)
File.Delete(args[i + 1]);
File.Delete(args[i + 2]);
File.Delete(args[i + 3]);
i += 5;
}
else if (args[i] == "-help")
{
PrintUsage();
++i;
}
else if (args[i] == "-hold")
{
while (!escape_hold)
{
;
}
++i;
}
else if (args[i] == "-test")
{
Test.TestAll();
++i;
}
}
}