/// <summary>
/// Replace strings with the device dependent ones.
/// </summary>
/// <param name="zip">ZipFile, which contains the Lua file.</param>
/// <param name="player">Device, for which we would change the strings.</param>
/// <returns>The updated Lua code.</returns>
public string UpdateLua ( ZipFile zip, Player player)
{
// Get input stream for Lua file
string luaCode = getLuaCode(zip,filenameGwz);
// Now parse the Lua file
Lexer lexer = new Lexer ();
// Split the Lua code into tokens
// This time we know, that the Lua file is ok, so we didn't ceare about errors
TokenReader tr = null;
tr = lexer.Lex ( luaCode );
// Go to the beginning of the token stream
tr.p = 0;
// Now replace all strings with the right special character strings
foreach ( Token t in tr.tokens )
if ( t.Type == TokenType.DoubleQuoteString || t.Type == TokenType.LongString || t.Type == TokenType.SingleQuoteString )
t.Data = player.ConvertString ( t.Data );
// Now create the Lua file again
StringBuilder result = new StringBuilder ( luaCode.Length );
for (int i = 0; i < tr.tokens.Count - 3;i++ )
{
if (tr.tokens[i].Leading.Count > 0)
foreach (Token lt in tr.tokens[i].Leading)
result.Append(lt.Data);
switch (tr.tokens[i].Type)
{
case TokenType.DoubleQuoteString:
result.AppendFormat("\"{0}\"", tr.tokens[i].Data);
break;
case TokenType.LongString:
result.Append(tr.tokens[i].Data);
break;
case TokenType.SingleQuoteString:
result.AppendFormat("\'{0}\'", tr.tokens[i].Data);
break;
case TokenType.EndOfStream:
break;
default:
result.Append(tr.tokens[i].Data);
break;
}
}
result.Append("\n\n");
// If there are code, we should insert for this device, we do this now
if (player.HasCode())
{
string code = player.GetCode(tr.tokens[tr.tokens.Count - 2].Data);
if (code != "")
result.Append(code);
}
// If there is a library, we should insert, we do it now
// Append "return cartridge" at the end
result.Append("\n\n");
result.Append(tr.tokens[tr.tokens.Count - 3].Data);
result.Append(" ");
result.Append(tr.tokens[tr.tokens.Count - 2].Data);
return result.ToString ();
}
/// <summary>
/// Compile the file filename for device and place user and completionCode into the resulting gwc file
/// </summary>
/// <param name="filename">Filename of the gwz file with path.</param>
/// <param name="device">Name of the device for which the resulting gwc is compiled.</param>
/// <param name="username">Username, which is wrote to gwc file and later used as Player.Name.</param>
/// <param name="userid">User ID from Groundspeak, which is wrote to gwc file.</param>
/// <param name="completionCode">CompletionCode, which is wrote to gwc file and later used as Player.CompletionCode.</param>
/// <returns>Memory stream with the gwc file.</returns>
public MemoryStream Compile(string filename, DeviceType device, string username = "", long userid = 0, string completionCode = "")
{
// Create object for player specific code
Player player = new Player(device);
// Create parser with filename
Parser parser = new Parser(filename);
// Open gwz for later use
ZipFile zip = new ZipFile(parser.FilenameGwz);
// Create object for all data belonging to the cartridge
Cartridge cartridge = new Cartridge ();
// Check, if the gwz file has the right format
if (!parser.CheckGWZ(zip, cartridge))
{
// Error in parsing gwz file
throw new InvalidOperationException(String.Format("Line {0}, Column {1}: {2}", parser.Errors[0].Line, parser.Errors[0].Column, parser.Errors[0].Message));
}
// Create LuaInterface
LuaInterface lua = new LuaInterface();
string luaCode;
// Create new Lua file with player specific characters and all other stuff
luaCode = parser.UpdateLua(zip,player);
// Only for debug reasons
// saveLuaCode(luaCode);
// Now we have a string with the Lua code, which have the right coding
// So go on and compile the Lua code
// LoadString of Lua code = compile Lua code
LuaFunction func = lua.LoadString(luaCode, cartridge.Name);
// Dump Lua code to memory stream, so we could later save it to gwc file
MemoryStream luaBinary = new MemoryStream();
dumpCode(lua.LuaState,luaBinary);
// Create memory stream to write gwc file
MemoryStream stream = new MemoryStream();
BinaryWriter output = new BinaryWriter(stream);
long savePosition;
// Write gwc signature
output.Write(new byte[7] { 0x02, 0x0a, 0x43, 0x41, 0x52, 0x54, 0x00 });
// Write number of images
output.Write(getShort((short)(cartridge.MediaList.Count+1)));
// Write media table
for (int i = 0; i <= cartridge.MediaList.Count; i++)
{
output.Write(getShort((short)i));
output.Write(getInt((int)0));
}
// Write size of header
output.Write(getInt(0));
// Save position, where header starts
long startHeader = output.BaseStream.Position;
// Write header
// Write position
output.Write(getDouble((float) cartridge.Latitude));
output.Write(getDouble((float) cartridge.Longitude));
output.Write(getDouble((float) cartridge.Altitude));
// Write creation date
// TODO: Replace with creation date
string date = cartridge.CreateDate;
output.Write(getLong(0));
// Write media index
short splash = -1;
for (int i = 0; i < cartridge.MediaList.Count; i++)
if (cartridge.Splash != null && cartridge.Splash.Equals(cartridge.MediaList[i].Variable))
splash = (short)(i + 1);
output.Write(getShort(splash));
// Write icon index
short icon = -1;
for (int i = 0; i < cartridge.MediaList.Count; i++)
if (cartridge.Icon != null && cartridge.Icon.Equals(cartridge.MediaList[i].Variable))
icon = (short)(i + 1);
output.Write(getShort(icon));
// Write cartridge type
output.Write(getAscii(player.ConvertGWCString(cartridge.Activity)));
// Write player data
output.Write(getAscii(player.ConvertGWCString(username)));
output.Write(getLong(userid));
// Write cartridge relevant information
output.Write(getAscii(player.ConvertGWCString(cartridge.Name)));
output.Write(getAscii(cartridge.Id));
output.Write(getAscii(player.ConvertGWCString(cartridge.Description)));
output.Write(getAscii(player.ConvertGWCString(cartridge.StartingLocationDescription)));
output.Write(getAscii(cartridge.Version));
output.Write(getAscii(player.ConvertGWCString(cartridge.Author)));
output.Write(getAscii(player.ConvertGWCString(cartridge.Company)));
output.Write(getAscii(player.ConvertGWCString(cartridge.TargetDevice)));
// Write CompletionCode length
output.Write(getInt(completionCode.Length+1));
// Write CompletionCode
output.Write(getAscii(completionCode));
// Save position for later writing
savePosition = output.BaseStream.Position;
// Goto header length position and save the length
output.BaseStream.Position = startHeader - 4;
output.Write(getInt((int) (savePosition - startHeader)));
output.BaseStream.Position = savePosition;
// Write Lua binary code
writeToMediaTable(output,0);
output.Write(getInt((int)luaBinary.Length));
output.Write(luaBinary.ToArray());
// Now save all media files
for (short i = 0; i < cartridge.MediaList.Count; i++)
{
// Write position for media table
writeToMediaTable(output, (short)(i+1));
// Check media for right entry
cartridge.MediaList[i].Entry = player.CheckMedia(cartridge.MediaList[i]);
// Save media
if (cartridge.MediaList[i].Entry == -1)
{
// No valid media file is found in resource list
output.Write((byte) 0);
}
else
{
// Valid file found, so save type, length and bytes
output.Write((byte) 1);
output.Write(getInt(cartridge.MediaList[i].MediaType));
byte[] media = cartridge.MediaList[i].GetMediaAsByteArray(zip);
output.Write(getInt(media.Length));
output.Write(media);
}
}
return stream;
}
