static unsafe void Main( string[] args )
{
Environment.ExitCode = 0;
if ( args.Length == 0 )
{
Console.WriteLine( "No target specified." );
Environment.ExitCode = -1;
return;
}
string target = args[ 0 ];
string output = ( ( args.Length > 1 ) ? args[ 1 ] : null );
ImageFile imgFile = new ImageFile( target, output );
try
{
imgFile.Process();
}
catch ( Exception ex )
{
Console.WriteLine( "Unable to process file: {0}", ex.Message );
Environment.ExitCode = -1;
}
}
// because of protobuf-net we're limited to parsing simple types at run-time as we can't parse the protobuf, but options shouldn't be too complex
private void BuildExtension(string key, FieldDescriptorProto[] fields)
{
TypeBuilder extension = moduleBuilder.DefineType(key + "Ext", TypeAttributes.Class);
Type pcType = typeof(ProtoContractAttribute);
ConstructorInfo pcCtor = pcType.GetConstructor(Type.EmptyTypes);
CustomAttributeBuilder pcBuilder = new CustomAttributeBuilder(pcCtor, Type.EmptyTypes);
extension.SetCustomAttribute(pcBuilder);
foreach (var field in fields)
{
DataFormat format;
bool buildEnumProxy;
Type fieldType = ImageFile.LookupBasicType(field.type, out format, out buildEnumProxy);
FieldBuilder fbuilder = extension.DefineField(field.name, fieldType, FieldAttributes.Public);
object defaultValue;
if (String.IsNullOrEmpty(field.default_value))
{
defaultValue = Activator.CreateInstance(fieldType);
}
else
{
try
{
defaultValue = Convert.ChangeType(field.default_value, fieldType);
}
catch (FormatException)
{
Console.WriteLine("Constructor for extension had bad format: {0}", key);
return;
}
}
if (buildEnumProxy)
{
Type epType = typeof(EnumProxyAttribute);
ConstructorInfo epCtor = epType.GetConstructor(new Type[] { typeof(string) });
CustomAttributeBuilder epBuilder = new CustomAttributeBuilder(epCtor, new object[] { field.type_name });
fbuilder.SetCustomAttribute(epBuilder);
}
Type dvType = typeof(ProtoDefaultValueAttribute);
ConstructorInfo dvCtor = dvType.GetConstructor(new Type[] { typeof(object) });
CustomAttributeBuilder dvBuilder = new CustomAttributeBuilder(dvCtor, new object[] { defaultValue });
fbuilder.SetCustomAttribute(dvBuilder);
Type pmType = typeof(ProtoMemberAttribute);
ConstructorInfo pmCtor = pmType.GetConstructor(new Type[] { typeof(int) });
CustomAttributeBuilder pmBuilder = new CustomAttributeBuilder(pmCtor, new object[] { field.number },
new PropertyInfo[] { pmType.GetProperty("Name"), pmType.GetProperty("DataFormat") },
new object[] { "(" + field.name + ")", format });
fbuilder.SetCustomAttribute(pmBuilder);
}
Type extensionType = extension.CreateType();
if (!this.protobufExtensions.ContainsKey(key))
{
this.protobufExtensions[key] = new List <Type>();
}
this.protobufExtensions[key].Add(extensionType);
}