public static string GetFieldType(Field field)
{
if (field.container == Container.NONE)
return GetDataType(field.value);
else if (field.container == Container.MAP || field.container == Container.HASH_MAP)
return String.Format("{0}<{1}, {2}>", GetContainerType(field.container), GetDataType(field.key), GetDataType(field.value));
else
return String.Format("{0}<{1}>", GetContainerType(field.container), GetDataType(field.value));
}
private string GetContainer(Field field)
{
switch(field.container)
{
case Container.NONE:
return "PROTO_NIL";
case Container.VEC:
case Container.LIST:
return "PROTO_VEC";
case Container.SET:
case Container.HASH_SET:
return "PROTO_SET";
case Container.MAP:
case Container.HASH_MAP:
return "PROTO_MAP";
default:
return "nil";
}
}
private Field ParseStructField(string data, int line)
{
Field field = new Field();
string[] tokens;
// (deprecated) (container)type name (= index)
string type_name;
if (data.IndexOf('=') != -1)
{
tokens = data.Split(new char[] { '=' }, StringSplitOptions.RemoveEmptyEntries);
field.index = UInt32.Parse(tokens[1]);
type_name = tokens[0].Trim();
}
else
{
type_name = data;
}
// check deprecated
if(type_name.StartsWith("deprecated "))
{
field.deprecated = true;
type_name = type_name.Substring("deprecated ".Length);
}
// parse type name
int index = type_name.LastIndexOf('*');
if (index != -1)
field.pointer = true;
// 解析类型和name,最后一个必然是name
tokens = type_name.Split(new char[] { ' ', '<', ',', '>', '*', ':' }, StringSplitOptions.RemoveEmptyEntries);
if (tokens.Length < 2)
throw new Exception("bad field");
field.container = Field.ParseContainer(tokens[0]);
if(tokens.Length != field.tokenSize)
throw new Exception("bad field");
field.name = tokens[tokens.Length - 1];
field.value.SetName(tokens[tokens.Length - 2]);
if(field.container == Container.MAP || field.container == Container.HASH_MAP)
{
field.key.SetName(tokens[1]);
}
return field;
}
private Field ParseEnumField(string data, int line)
{
Field field = new Field();
string[] tokens = data.Split(new char[] { '=' }, StringSplitOptions.RemoveEmptyEntries);
if (tokens.Length == 0 || tokens.Length > 2)
throw new Exception("bad enum field" + line + data);
field.name = tokens[0].Trim();
if(tokens.Length == 2)
field.index = UInt32.Parse(tokens[1]);
return field;
}
