internal static void PackMegFile(string fullyQualifiedMegFileSavePath, IEnumerable <string> absoluteFilePaths)
{
if (fullyQualifiedMegFileSavePath == null)
{
throw new ArgumentNullException(nameof(fullyQualifiedMegFileSavePath));
}
if (absoluteFilePaths == null)
{
throw new ArgumentNullException(nameof(absoluteFilePaths));
}
if (!PathUtility.IsValidDirectoryPath(fullyQualifiedMegFileSavePath))
{
throw new ArgumentException($"The provided path {fullyQualifiedMegFileSavePath} does not exist.");
}
IEnumerable <string> contentFiles = absoluteFilePaths.ToList();
if (!contentFiles.Any())
{
throw new ArgumentException($"The meg file must contain at least one file.");
}
MegFileBinaryFileBuilder builder = new MegFileBinaryFileBuilder();
MegFile megFile = builder.Build(new MegFileAttribute()
{
ContentFiles = contentFiles
});
using (BinaryWriter writer = new BinaryWriter(File.Open(fullyQualifiedMegFileSavePath, FileMode.Create)))
{
writer.Write(megFile.GetBytes());
}
foreach (string megFileFile in megFile.ContentTable
.MegFileContentTableRecords.SelectMany(contentTableMegFileContentTableRecord => megFile.Files.Where(megFileFile => megFile
.LookupFileNameByIndex(
Convert.ToInt32(contentTableMegFileContentTableRecord.FileNameTableRecordIndex))
.Equals(MegFileContentUtility.ExtractFileNameForMegFile(megFileFile),
StringComparison.InvariantCultureIgnoreCase))))
{
using (FileStream readStream = File.OpenRead(megFileFile))
{
using (FileStream writeStream = new FileStream(fullyQualifiedMegFileSavePath,
FileMode.Append,
FileAccess.Write, FileShare.None))
{
byte[] buffer = new byte[1024];
int bytesRead;
while ((bytesRead = readStream.Read(buffer, 0, 1024)) > 0)
{
writeStream.Write(buffer, 0, bytesRead);
}
}
}
}
}
public void MegBuilderBuildHeaderTest()
{
MegFileBinaryFileBuilder megFileBinaryFileBuilder = new MegFileBinaryFileBuilder();
byte[] b = File.ReadAllBytes(TEST_DATA_PATH_IN);
MegFile megFile = megFileBinaryFileBuilder.Build(b);
Assert.IsNotNull(megFile);
}
public void MegBuilderBuildFromAttributeTest()
{
MegFileUtility.UnpackMegFile(TEST_DATA_PATH_IN, TEST_DATA_PATH_UNPACK_OUT);
MegFileBinaryFileBuilder builder = new MegFileBinaryFileBuilder();
MegFileAttribute attribute = new MegFileAttribute
{
FilePath = TEST_DATA_PATH_PACK_OUT,
FileName = Path.GetFileName(TEST_DATA_PATH_PACK_OUT),
ContentFiles = EXPECTED_FILES
};
MegFile megFile = builder.Build(attribute);
Assert.IsNotNull(megFile);
}
private static MegFile LoadMegFileFromDisk(string megFilePath)
{
uint headerSize = MegFileUtility.GetMegFileHeaderSize(megFilePath);
byte[] megFileHeader = new byte[headerSize];
using (BinaryReader reader = new BinaryReader(new FileStream(megFilePath, FileMode.Open)))
{
reader.Read(megFileHeader, 0, megFileHeader.Length);
}
MegFileBinaryFileBuilder builder = new MegFileBinaryFileBuilder();
return(builder.Build(megFileHeader));
}
