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public static Extract ( Stream stream ) : |
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| stream | Stream | |
| return | ||
public Cartridge Load()
{
if (cartridge == null)
{
// Extract cartridge data from Lua file
cartridge = LUA.Extract(_stream);
}
// All media files should be in the same directory as the Lua file
string path = Path.GetDirectoryName(_luaFileName);
// Retrive input streams for medias
foreach (Media media in cartridge.Medias)
{
foreach (MediaResource r in media.Resources)
{
// Load data of file into byte array
var br = new BinaryReader(new FileStream(Path.Combine(path, r.Filename), FileMode.Open));
r.Data = new byte[br.BaseStream.Length];
r.Data = br.ReadBytes(r.Data.Length);
br = null;
}
}
return(cartridge);
}
public Cartridge Load()
{
// Is there a valid gwz file
if (_zip == null)
{
return(null);
}
// Is there a valid Lua file
if (_luaFile == null)
{
return(null);
}
if (cartridge == null)
{
// Extract cartridge data from Lua file
cartridge = LUA.Extract(_zip[_luaFile.FileName].OpenReader());
}
// Retrive input streams for medias
foreach (Media media in cartridge.Medias)
{
foreach (MediaResource r in media.Resources)
{
// Load data of file into byte array
var br = new BinaryReader(_zip[r.Filename].OpenReader());
r.Data = new byte[br.BaseStream.Length];
r.Data = br.ReadBytes(r.Data.Length);
br = null;
}
}
return(cartridge);
}
public void Check()
{
// Is there a valid input stream
if (_stream == null)
{
throw new FileNotFoundException("No valid file");
}
// Any compilation errors of the Lua file
_stream.Position = 0;
LUA.Check(_stream, _luaFileName);
// Extract cartridge data from Lua file
_stream.Position = 0;
cartridge = LUA.Extract(_stream);
// Save Lua file name for later use
cartridge.LuaFileName = _luaFileName;
// All media files should be in the same directory as the Lua file
string path = Path.GetDirectoryName(_luaFileName);
// Now check, if all media resources files exist
foreach (Media media in cartridge.Medias)
{
foreach (MediaResource resource in media.Resources)
{
// Check, if filename is in list of files
if (!File.Exists(Path.Combine(path, resource.Filename)))
{
throw new FileNotFoundException("Folder don't contain file", resource.Filename);
}
}
}
// Now all is checked without any problems
// So it seams, that this folder is valid
}
public void Check()
{
// Is there a valid input stream
if (_stream == null)
{
throw new FileNotFoundException("No valid file");
}
// Now read gwz file and save for later use
_zip = ZipFile.Read(_stream);
if (_zip == null)
{
throw new FileLoadException("No valid gwz file");
}
foreach (ZipEntry zipEntry in _zip.Entries)
{
switch (Path.GetExtension(zipEntry.FileName).ToLower())
{
case ".lua":
_luaFile = zipEntry;
_luaFiles += 1;
break;
}
}
// Is there a Lua file?
if (_luaFile == null)
{
throw new FileNotFoundException("No valid Lua file found");
}
// Is there more than one Lua file
if (_luaFiles > 1)
{
throw new FileLoadException("More than one Lua file found");
}
// Any compilation errors of the Lua file
LUA.Check(_zip[_luaFile.FileName].OpenReader(), _luaFile.FileName);
// Extract cartridge data from Lua file
cartridge = LUA.Extract(_zip[_luaFile.FileName].OpenReader());
// Save Lua file name for later use
cartridge.LuaFileName = _luaFile.FileName;
// Now check, if all media resources files exist
foreach (Media media in cartridge.Medias)
{
foreach (MediaResource resource in media.Resources)
{
// Check, if filename is in list of files
if (!_zip.EntryFileNames.Contains(resource.Filename))
{
if (string.IsNullOrWhiteSpace(resource.Filename))
{
throw new FileNotFoundException("The Lua file is referencing a file without a filename");
}
else
{
throw new FileNotFoundException(String.Format("The GWZ is missing a file referred to by the cartridge's code. The file name is: {0}", resource.Filename));
}
}
}
}
// Now all is checked without any problems
// So it seams, that this GWZ file is valid
}