public static void Main(string[] args)
{
bool showHelp = false;
bool overwriteFiles = false;
bool verbose = false;
var options = new OptionSet()
{
{
"o|overwrite",
"overwrite existing files",
v => overwriteFiles = v != null
},
{
"v|verbose",
"be verbose",
v => verbose = v != null
},
{
"h|help",
"show this message and exit",
v => showHelp = v != null
},
};
List <string> extras;
try
{
extras = options.Parse(args);
}
catch (OptionException e)
{
Console.Write("{0}: ", GetExecutableName());
Console.WriteLine(e.Message);
Console.WriteLine("Try `{0} --help' for more information.", GetExecutableName());
return;
}
if (extras.Count < 1 || extras.Count > 2 || showHelp == true)
{
Console.WriteLine("Usage: {0} [OPTIONS]+ input_dir [output_rcf]", GetExecutableName());
Console.WriteLine();
Console.WriteLine("Options:");
options.WriteOptionDescriptions(Console.Out);
return;
}
var inputPaths = new List <string>();
inputPaths.Add(Path.GetFullPath(extras[0]));
var outputPath = extras.Count > 1 ? extras[1] : Path.ChangeExtension(extras[0], ".rcf");
var paths = new SortedDictionary <string, string>();
if (verbose == true)
{
Console.WriteLine("Finding files...");
}
foreach (var relPath in inputPaths)
{
string inputPath = Path.GetFullPath(relPath);
if (inputPath.EndsWith(Path.DirectorySeparatorChar.ToString(CultureInfo.InvariantCulture)) == true)
{
inputPath = inputPath.Substring(0, inputPath.Length - 1);
}
foreach (string path in Directory.GetFiles(inputPath, "*", SearchOption.AllDirectories))
{
string fullPath = Path.GetFullPath(path);
string partPath = fullPath.Substring(inputPath.Length + 1).ToLowerInvariant();
if (paths.ContainsKey(partPath) == true)
{
Console.WriteLine("Ignoring {0} duplicate.", partPath);
continue;
}
paths[partPath] = fullPath;
}
}
using (var output = File.Create(outputPath))
{
var cement = new CementFile();
cement.Endian = Endian.Little;
cement.Entries.Clear();
cement.Metadatas.Clear();
foreach (var kv in paths)
{
var entry = new Cement.Entry();
entry.NameHash = kv.Key.HashFileName(0);
entry.Offset = 0;
entry.Size = 0;
var metadata = new Cement.Metadata();
metadata.TypeHash = 0;
metadata.Alignment = 2048;
metadata.Name = kv.Key;
cement.Entries.Add(entry);
cement.Metadatas.Add(metadata);
}
var preestimatedHeaderSize = cement.EstimateHeaderSize();
output.Seek(preestimatedHeaderSize, SeekOrigin.Begin);
cement.Entries.Clear();
cement.Metadatas.Clear();
const uint fileAlignment = 2048;
if (verbose == true)
{
Console.WriteLine("Writing files to archive...");
}
foreach (var kvp in paths)
{
if (verbose == true)
{
Console.WriteLine(kvp.Key);
}
using (var input = File.OpenRead(kvp.Value))
{
var entry = new Cement.Entry();
entry.NameHash = kvp.Key.HashFileName(0);
entry.Offset = (uint)output.Position;
entry.Size = (uint)input.Length;
/*var extension = Path.GetExtension(kvp.Key);
* if (extension != null &&
* extension.StartsWith(".") == true)
* {
* extension = extension.Substring(1);
* }*/
var metadata = new Cement.Metadata();
metadata.TypeHash = 0;//extension == null ? 0 : extension.HashFileName(0);
metadata.Alignment = fileAlignment;
metadata.Name = kvp.Key;
cement.Entries.Add(entry);
cement.Metadatas.Add(metadata);
output.WriteFromStream(input, entry.Size);
output.Seek(output.Position.Align(fileAlignment), SeekOrigin.Begin);
}
}
var estimatedHeaderSize = cement.EstimateHeaderSize();
if (preestimatedHeaderSize != estimatedHeaderSize)
{
throw new InvalidOperationException();
}
if (verbose == true)
{
Console.WriteLine("Writing header...");
}
output.Seek(0, SeekOrigin.Begin);
cement.Serialize(output);
if (output.Position != estimatedHeaderSize)
{
throw new InvalidOperationException();
}
}
}
public void Deserialize(Stream input)
{
var magic = input.ReadString(24, true, Encoding.ASCII);
if (magic != "ATG CORE CEMENT LIBRARY")
{
throw new FormatException("not a cement file");
}
input.ReadBytes(8); // padding
var majorVersion = input.ReadValueU8();
var minorVersion = input.ReadValueU8();
var endian = input.ReadValueB8() == false ? Endian.Little : Endian.Big;
var unknown1 = input.ReadValueU8();
if (majorVersion != 2 ||
minorVersion != 1 ||
unknown1 != 1)
{
throw new FormatException("bad cement version");
}
var indexOffset = input.ReadValueU32(endian);
var indexSize = input.ReadValueU32(endian);
var metadataOffset = input.ReadValueU32(endian);
var metadataSize = input.ReadValueU32(endian);
var unknown2 = input.ReadValueU32(endian);
var entryCount = input.ReadValueU32(endian);
if (unknown2 != 0)
{
throw new FormatException();
}
this.MajorVersion = majorVersion;
this.MinorVersion = minorVersion;
input.Seek(indexOffset, SeekOrigin.Begin);
using (var temp = input.ReadToMemoryStream(indexSize))
{
this.Entries.Clear();
for (int i = 0; i < entryCount; i++)
{
var entry = new Cement.Entry();
entry.Deserialize(temp, endian);
this.Entries.Add(entry);
}
if (temp.Position != temp.Length)
{
throw new FormatException();
}
}
input.Seek(metadataOffset, SeekOrigin.Begin);
using (var temp = input.ReadToMemoryStream(metadataSize))
{
var namesAlignment = temp.ReadValueU32(Endian.Little);
var namesUnknown = temp.ReadValueU32(Endian.Little);
this.Metadatas.Clear();
for (int i = 0; i < entryCount; i++)
{
var metadata = new Cement.Metadata();
metadata.Deserialize(temp, endian);
this.Metadatas.Add(metadata);
}
}
this.Endian = endian;
}