public PB_Field(PB_Type type, string name, int index, bool repeated)
{
this.type = type;
this.name = name;
this.index = index;
this.repeated = repeated;
}
public static PB_Message Parse(string protoDef)
{
protoDef = protoDef.Trim();
if (!protoDef.StartsWith("message", System.StringComparison.OrdinalIgnoreCase))
{
return(Error(protoDef, "Invalid proto head"));
}
int indexL = protoDef.IndexOf('{');
int indexR = protoDef.IndexOf('}');
// Message ID
string strId = protoDef.Substring(LEN_MSG, indexL - LEN_MSG - 1).Trim();
int id = 0;
if (!int.TryParse(strId, out id))
{
return(Error(strId, "Invalid Message ID"));
}
PB_Message message = new PB_Message();
// Message Fields
string strFields = protoDef.Substring(indexL + 1, indexR - indexL - 2).Trim();
string[] fields = strFields.Split(SPLIT_FIELD, System.StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < fields.Length; ++i)
{
string[] segs = fields[i].Split(SPLIT_SEG, System.StringSplitOptions.RemoveEmptyEntries);
bool repeated = segs[0].EndsWith("[]");
string strType = repeated ? segs[0].Substring(0, segs[0].Length - 2) : segs[0];
string name = segs[1];
string strIndex = segs[2];
PB_Type type;
try {
type = (PB_Type)PB_Type.Parse(typeof(PB_Type), strType, true);
} catch (System.Exception e) {
return(Error(fields[i], e.Message));
}
int index = 0;
if (!int.TryParse(strIndex, out index))
{
return(Error(fields[i], "Invalid index."));
}
message.Add(new PB_Field(type, name, index, repeated));
}
message.Sort();
return(message);
}
