/// <summary>
/// Initializes a new instance of <see cref="DiffCommandHandler"/>
/// </summary>
/// <param name="bus"></param>
/// <param name="diffEngine"></param>
/// <param name="payLoadRepository"></param>
/// <param name="cache"></param>
public DiffCommandHandler(IMediatorHandler bus, IDiffEngine diffEngine, IPayLoadRepository payLoadRepository,
ICache cache)
{
_bus = bus ?? throw new ArgumentNullException(nameof(bus));
_diffEngine = diffEngine ?? throw new ArgumentNullException(nameof(diffEngine));
_payLoadRepository = payLoadRepository ?? throw new ArgumentNullException(nameof(payLoadRepository));
_cache = cache ?? throw new ArgumentNullException(nameof(cache));
}
public DiffCommandHandlerTests()
{
_bus = Substitute.For <IMediatorHandler>();
_payLoadRepository = Substitute.For <IPayLoadRepository>();
_diffEngine = Substitute.For <IDiffEngine>();
_cache = Substitute.For <ICache>();
_sut = new DiffCommandHandler(_bus, _diffEngine, _payLoadRepository, _cache);
}
public static int Main(string[] args)
{
if (args.Length < 2)
{
Usage(Console.Out);
return(-1);
}
string input1 = args[0];
string input2 = args[1];
string[] options = new string[args.Length - 2];
for (int i = 0; i < options.Length; i++)
{
options[i] = args[i + 2];
}
TextWriter output = Console.Out;
for (int i = 0; i < options.Length - 1; i++)
{
switch (options[i].ToLower())
{
case "/o": goto case "-output";
case "-o": goto case "-output";
case "/output": goto case "-output";
case "-output": output = new StreamWriter(options[i + 1], false, Encoding.UTF8); break;
}
}
IDiffEngineFactory diffFactory = new BestQualityDiffEngineFactory(new IDiffEngine[]
{
new DirectoryDiffEngine(),
new FileDiffEngine(),
new VersionedFileDiffEngine(),
new TextFileDiffEngine(),
new MsiDiffEngine(),
new CabDiffEngine(),
new MspDiffEngine(),
});
IDiffEngine diffEngine = diffFactory.GetDiffEngine(input1, input2, options);
if (diffEngine != null)
{
bool different = diffEngine.GetDiff(input1, input2, options, output, "", diffFactory);
return(different ? 1 : 0);
}
else
{
Console.Error.WriteLine("Dont know how to diff those inputs.");
return(-1);
}
}
public virtual IDiffEngine GetDiffEngine(string diffInput1, string diffInput2, string[] options)
{
float bestDiffQuality = 0;
IDiffEngine bestDiffEngine = null;
foreach (IDiffEngine diffEngine in diffEngines)
{
float diffQuality = diffEngine.GetDiffQuality(diffInput1, diffInput2, options, this);
if (diffQuality > bestDiffQuality)
{
bestDiffQuality = diffQuality;
bestDiffEngine = diffEngine;
}
}
return(bestDiffEngine != null ? bestDiffEngine.Clone() : null);
}
public bool GetDiff(string diffInput1, string diffInput2, string[] options, TextWriter diffOutput, string linePrefix, IDiffEngineFactory diffFactory)
{
bool difference = false;
IComparer caseInsComp = CaseInsensitiveComparer.Default;
string[] files1 = Directory.GetFiles(diffInput1);
string[] files2 = Directory.GetFiles(diffInput2);
for (int i1 = 0; i1 < files1.Length; i1++)
{
files1[i1] = Path.GetFileName(files1[i1]);
}
for (int i2 = 0; i2 < files2.Length; i2++)
{
files2[i2] = Path.GetFileName(files2[i2]);
}
Array.Sort(files1, caseInsComp);
Array.Sort(files2, caseInsComp);
for (int i1 = 0, i2 = 0; i1 < files1.Length || i2 < files2.Length;)
{
int comp;
if (i1 == files1.Length)
{
comp = 1;
}
else if (i2 == files2.Length)
{
comp = -1;
}
else
{
comp = caseInsComp.Compare(files1[i1], files2[i2]);
}
if (comp < 0)
{
diffOutput.WriteLine("{0}< {1}", linePrefix, files1[i1]);
i1++;
difference = true;
}
else if (comp > 0)
{
diffOutput.WriteLine("{0}> {1}", linePrefix, files2[i2]);
i2++;
difference = true;
}
else
{
string file1 = Path.Combine(diffInput1, files1[i1]);
string file2 = Path.Combine(diffInput2, files2[i2]);
IDiffEngine diffEngine = diffFactory.GetDiffEngine(file1, file2, options);
StringWriter sw = new StringWriter();
if (diffEngine.GetDiff(file1, file2, options, sw, linePrefix + " ", diffFactory))
{
diffOutput.WriteLine("{0}{1}", linePrefix, files1[i1]);
diffOutput.Write(sw.ToString());
difference = true;
}
i1++;
i2++;
}
}
string[] dirs1 = Directory.GetDirectories(diffInput1);
string[] dirs2 = Directory.GetDirectories(diffInput2);
for (int i1 = 0; i1 < dirs1.Length; i1++)
{
dirs1[i1] = Path.GetFileName(dirs1[i1]);
}
for (int i2 = 0; i2 < dirs2.Length; i2++)
{
dirs2[i2] = Path.GetFileName(dirs2[i2]);
}
Array.Sort(dirs1, caseInsComp);
Array.Sort(dirs2, caseInsComp);
for (int i1 = 0, i2 = 0; i1 < dirs1.Length || i2 < dirs2.Length;)
{
int comp;
if (i1 == dirs1.Length)
{
comp = 1;
}
else if (i2 == dirs2.Length)
{
comp = -1;
}
else
{
comp = caseInsComp.Compare(dirs1[i1], dirs2[i2]);
}
if (comp < 0)
{
diffOutput.WriteLine("{0}< {1}", linePrefix, dirs1[i1]);
i1++;
difference = true;
}
else if (comp > 0)
{
diffOutput.WriteLine("{0}> {1}", linePrefix, dirs2[i2]);
i2++;
difference = true;
}
else
{
string dir1 = Path.Combine(diffInput1, dirs1[i1]);
string dir2 = Path.Combine(diffInput2, dirs2[i2]);
IDiffEngine diffEngine = diffFactory.GetDiffEngine(dir1, dir2, options);
StringWriter sw = new StringWriter();
if (diffEngine.GetDiff(dir1, dir2, options, sw, linePrefix + " ", diffFactory))
{
diffOutput.WriteLine("{0}{1}\\", linePrefix, dirs1[i1]);
diffOutput.Write(sw.ToString());
difference = true;
}
i1++;
i2++;
}
}
return(difference);
}
public virtual void Remove(IDiffEngine diffEngine)
{
diffEngines.Remove(diffEngine);
}
public virtual void Add(IDiffEngine diffEngine)
{
diffEngines.Add(diffEngine);
}
public BestQualityDiffEngineFactory(IDiffEngine[] diffEngines)
{
this.diffEngines = (diffEngines != null ? new ArrayList(diffEngines) : new ArrayList());
}
public virtual void Remove(IDiffEngine diffEngine)
{
diffEngines.Remove(diffEngine);
}
public virtual void Add(IDiffEngine diffEngine)
{
diffEngines.Add(diffEngine);
}
public bool GetDiff(string diffInput1, string diffInput2, string[] options, TextWriter diffOutput, string linePrefix, IDiffEngineFactory diffFactory)
{
bool difference = false;
IComparer caseInsComp = CaseInsensitiveComparer.Default;
// TODO: Make this faster by extracting the whole cab at once.
// TODO: Optimize for the match case by first comparing the whole cab files.
CabInfo cab1 = new CabInfo(diffInput1);
CabInfo cab2 = new CabInfo(diffInput2);
IList <CabFileInfo> cabFilesList1 = cab1.GetFiles();
IList <CabFileInfo> cabFilesList2 = cab2.GetFiles();
CabFileInfo[] cabFiles1 = new CabFileInfo[cabFilesList1.Count];
CabFileInfo[] cabFiles2 = new CabFileInfo[cabFilesList2.Count];
cabFilesList1.CopyTo(cabFiles1, 0);
cabFilesList2.CopyTo(cabFiles2, 0);
string[] files1 = new string[cabFiles1.Length];
string[] files2 = new string[cabFiles2.Length];
for (int i1 = 0; i1 < cabFiles1.Length; i1++)
{
files1[i1] = cabFiles1[i1].Name;
}
for (int i2 = 0; i2 < cabFiles2.Length; i2++)
{
files2[i2] = cabFiles2[i2].Name;
}
Array.Sort(files1, cabFiles1, caseInsComp);
Array.Sort(files2, cabFiles2, caseInsComp);
for (int i1 = 0, i2 = 0; i1 < files1.Length || i2 < files2.Length;)
{
int comp;
if (i1 == files1.Length)
{
comp = 1;
}
else if (i2 == files2.Length)
{
comp = -1;
}
else
{
comp = caseInsComp.Compare(files1[i1], files2[i2]);
}
if (comp < 0)
{
diffOutput.WriteLine("{0}< {1}", linePrefix, files1[i1]);
i1++;
difference = true;
}
else if (comp > 0)
{
diffOutput.WriteLine("{0}> {1}", linePrefix, files2[i2]);
i2++;
difference = true;
}
else
{
string tempFile1 = Path.GetTempFileName();
string tempFile2 = Path.GetTempFileName();
cabFiles1[i1].CopyTo(tempFile1, true);
cabFiles2[i2].CopyTo(tempFile2, true);
IDiffEngine diffEngine = diffFactory.GetDiffEngine(tempFile1, tempFile2, options);
StringWriter sw = new StringWriter();
if (diffEngine.GetDiff(tempFile1, tempFile2, options, sw, linePrefix + " ", diffFactory))
{
diffOutput.WriteLine("{0}{1}", linePrefix, files1[i1]);
diffOutput.Write(sw.ToString());
difference = true;
}
File.SetAttributes(tempFile1, File.GetAttributes(tempFile1) & ~FileAttributes.ReadOnly);
File.SetAttributes(tempFile2, File.GetAttributes(tempFile2) & ~FileAttributes.ReadOnly);
try
{
File.Delete(tempFile1);
File.Delete(tempFile2);
}
catch (IOException)
{
#if DEBUG
Console.WriteLine("Could not delete temporary files {0} and {1}", tempFile1, tempFile2);
#endif
}
i1++;
i2++;
}
}
return(difference);
}
protected bool GetStreamsDiff(Database db1, Database db2, string[] options, TextWriter diffOutput, string linePrefix, IDiffEngineFactory diffFactory)
{
bool difference = false;
IList <string> streams1List = db1.ExecuteStringQuery("SELECT `Name` FROM `_Streams`");
IList <string> streams2List = db2.ExecuteStringQuery("SELECT `Name` FROM `_Streams`");
string[] streams1 = new string[streams1List.Count];
string[] streams2 = new string[streams2List.Count];
streams1List.CopyTo(streams1, 0);
streams2List.CopyTo(streams2, 0);
IComparer caseInsComp = CaseInsensitiveComparer.Default;
Array.Sort(streams1, caseInsComp);
Array.Sort(streams2, caseInsComp);
for (int i1 = 0, i2 = 0; i1 < streams1.Length || i2 < streams2.Length;)
{
int comp;
if (i1 == streams1.Length)
{
comp = 1;
}
else if (i2 == streams2.Length)
{
comp = -1;
}
else
{
comp = caseInsComp.Compare(streams1[i1], streams2[i2]);
}
if (comp < 0)
{
diffOutput.WriteLine("{0}< {1}", linePrefix, streams1[i1]);
i1++;
difference = true;
}
else if (comp > 0)
{
diffOutput.WriteLine("{0}> {1}", linePrefix, streams2[i2]);
i2++;
difference = true;
}
else
{
if (streams1[i1] != ("" + ((char)5) + "SummaryInformation"))
{
string tempFile1 = Path.GetTempFileName();
string tempFile2 = Path.GetTempFileName();
using (View view = db1.OpenView(String.Format("SELECT `Data` FROM `_Streams` WHERE `Name` = '{0}'", streams1[i1])))
{
view.Execute();
using (Record rec = view.Fetch())
{
rec.GetStream(1, tempFile1);
}
}
using (View view = db2.OpenView(String.Format("SELECT `Data` FROM `_Streams` WHERE `Name` = '{0}'", streams2[i2])))
{
view.Execute();
using (Record rec = view.Fetch())
{
rec.GetStream(1, tempFile2);
}
}
IDiffEngine diffEngine = diffFactory.GetDiffEngine(tempFile1, tempFile2, options);
StringWriter sw = new StringWriter();
if (diffEngine.GetDiff(tempFile1, tempFile2, options, sw, linePrefix + " ", diffFactory))
{
diffOutput.WriteLine("{0}{1}", linePrefix, streams1[i1]);
diffOutput.Write(sw.ToString());
difference = true;
}
File.Delete(tempFile1);
File.Delete(tempFile2);
}
i1++;
i2++;
}
}
return(difference);
}
