public void CabInfoSerialization()
{
CabInfo cabInfo = new CabInfo("testser.cab");
int txtSize = 10240;
CompressionTestUtil.GenerateRandomFile("testser00.txt", 0, txtSize);
CompressionTestUtil.GenerateRandomFile("testser01.txt", 1, txtSize);
cabInfo.PackFiles(null, new string[] { "testser00.txt", "testser01.txt" }, null);
ArchiveFileInfo cfi = cabInfo.GetFiles()[1];
MemoryStream memStream = new MemoryStream();
BinaryFormatter formatter = new BinaryFormatter();
memStream.Seek(0, SeekOrigin.Begin);
formatter.Serialize(memStream, cabInfo);
memStream.Seek(0, SeekOrigin.Begin);
CabInfo cabInfo2 = (CabInfo) formatter.Deserialize(memStream);
Assert.AreEqual<string>(cabInfo.FullName, cabInfo2.FullName);
memStream.Seek(0, SeekOrigin.Begin);
formatter.Serialize(memStream, cfi);
memStream.Seek(0, SeekOrigin.Begin);
CabFileInfo cfi2 = (CabFileInfo) formatter.Deserialize(memStream);
Assert.AreEqual<string>(cfi.FullName, cfi2.FullName);
Assert.AreEqual<long>(cfi.Length, cfi2.Length);
CabException cabEx = new CabException();
memStream.Seek(0, SeekOrigin.Begin);
formatter.Serialize(memStream, cabEx);
memStream.Seek(0, SeekOrigin.Begin);
formatter.Deserialize(memStream);
cabEx = new CabException("Test exception.", null);
Assert.AreEqual<string>("Test exception.", cabEx.Message);
}
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;
}
public void CabInfoGetFiles()
{
IList<CabFileInfo> fileInfo;
CabInfo cabInfo = new CabInfo("test.cab");
int txtSize = 10240;
CompressionTestUtil.GenerateRandomFile("testinfo0.txt", 0, txtSize);
CompressionTestUtil.GenerateRandomFile("testinfo1.txt", 1, txtSize);
cabInfo.PackFiles(null, new string[] { "testinfo0.txt", "testinfo1.txt" }, null);
fileInfo = cabInfo.GetFiles();
Assert.IsNotNull(fileInfo);
Assert.AreEqual<int>(2, fileInfo.Count);
Assert.AreEqual<string>("testinfo0.txt", fileInfo[0].Name);
Assert.AreEqual<string>("testinfo1.txt", fileInfo[1].Name);
fileInfo = cabInfo.GetFiles("*.txt");
Assert.IsNotNull(fileInfo);
Assert.AreEqual<int>(2, fileInfo.Count);
Assert.AreEqual<string>("testinfo0.txt", fileInfo[0].Name);
Assert.AreEqual<string>("testinfo1.txt", fileInfo[1].Name);
fileInfo = cabInfo.GetFiles("testinfo1.txt");
Assert.IsNotNull(fileInfo);
Assert.AreEqual<int>(1, fileInfo.Count);
Assert.AreEqual<string>("testinfo1.txt", fileInfo[0].Name);
}
private void UpdateFilesOnOneMediaDisk(string mediaCab,
InstallPathMap compressedFileMap, InstallPathMap uncompressedFileMap)
{
if(compressedFileMap.Count > 0)
{
string cabFile = null;
bool cabFileIsTemp = false;
if(mediaCab.StartsWith("#", StringComparison.Ordinal))
{
cabFileIsTemp = true;
mediaCab = mediaCab.Substring(1);
using(View streamView = this.OpenView("SELECT `Name`, `Data` FROM `_Streams` " +
"WHERE `Name` = '{0}'", mediaCab))
{
streamView.Execute();
Record streamRec = streamView.Fetch();
if(streamRec == null)
{
this.LogMessage("Stream not found: {0}", mediaCab);
throw new InstallerException("Stream not found: " + mediaCab);
}
using(streamRec)
{
this.LogMessage("extract cab {0}", mediaCab);
Directory.CreateDirectory(this.TempDirectory);
cabFile = Path.Combine(this.TempDirectory,
Path.GetFileNameWithoutExtension(mediaCab) + ".cab");
streamRec.GetStream("Data", cabFile);
}
}
}
else
{
cabFile = Path.Combine(this.SourceDirectory, mediaCab);
}
CabInfo cab = new CabInfo(cabFile);
ArrayList fileKeyList = new ArrayList();
foreach (CabFileInfo fileInCab in cab.GetFiles())
{
string fileKey = fileInCab.Name;
if(this.Files[fileKey] != null)
{
fileKeyList.Add(fileKey);
}
}
string[] fileKeys = (string[]) fileKeyList.ToArray(typeof(string));
Directory.CreateDirectory(this.TempDirectory);
ArrayList remainingFileKeys = new ArrayList(fileKeys);
foreach(string fileKey in fileKeys)
{
InstallPath fileInstallPath = compressedFileMap[fileKey];
if(fileInstallPath != null)
{
UpdateFileStats(fileKey, fileInstallPath);
string filePath = Path.Combine(this.WorkingDirectory, fileInstallPath.SourcePath);
this.LogMessage("copy {0} {1}", filePath, fileKey);
File.Copy(filePath, Path.Combine(this.TempDirectory, fileKey), true);
remainingFileKeys.Remove(fileKey);
}
}
if(remainingFileKeys.Count > 0)
{
this.cabName = mediaCab;
this.cabMsg = "extract {0}\\{1}";
string[] remainingFileKeysArray = (string[]) remainingFileKeys.ToArray(typeof(string));
cab.UnpackFiles(remainingFileKeysArray, this.TempDirectory, remainingFileKeysArray,
this.CabinetProgress);
}
ClearReadOnlyAttribute(this.TempDirectory, fileKeys);
if(!cabFileIsTemp)
{
cab = new CabInfo(Path.Combine(this.WorkingDirectory, mediaCab));
}
this.cabName = mediaCab;
this.cabMsg = "compress {0}\\{1}";
cab.PackFiles(this.TempDirectory, fileKeys, fileKeys,
this.CompressionLevel, this.CabinetProgress);
if(cabFileIsTemp)
{
Record streamRec = new Record(1);
streamRec.SetStream(1, cabFile);
this.Execute(String.Format(
"UPDATE `_Streams` SET `Data` = ? WHERE `Name` = '{0}'", mediaCab),
streamRec);
}
}
foreach (KeyValuePair<string, InstallPath> entry in uncompressedFileMap)
{
UpdateFileStats((string) entry.Key, (InstallPath) entry.Value);
}
}