private Dictionary <T, SprotoObject> DecodeSprotoObjectDict <T> (SprotoMgr sprotomgr, SprotoType type, SprotoField field, SprotoStream reader)
{
Dictionary <T, SprotoObject> dict = new Dictionary <T, SprotoObject>();
UInt32 size = this.ReadUInt32(reader);
while (size > 0)
{
UInt32 elem_size = this.ReadUInt32(reader);
UInt32 need_size = elem_size + SprotoCodec.SIZEOF_LENGTH;
size = size - need_size;
if (size < 0)
{
SprotoHelper.Error("[SprotoCodec.DecodeSprotoObjectDict] fail");
}
SprotoObject elemobj = this.DecodeSprotoObject(sprotomgr, type, reader);
SprotoObject keyobj = elemobj.Get(field.key);
T key = (T)keyobj.val;
dict[key] = elemobj;
}
if (size != 0)
{
SprotoHelper.Error("[SprotoCodec.DecodeSprotoObjectDict] fail");
}
return(dict);
}
private UInt32 EncodeSprotoObjectDict <T> (SprotoMgr sprotomgr, Dictionary <T, SprotoObject> dict, SprotoField field, SprotoStream writer)
{
UInt32 size = 0;
List <T> keys = new List <T>(dict.Keys);
keys.Sort(); // keep encode stable
foreach (var key in keys)
{
SprotoObject elemobj = dict[key];
if (elemobj.Get(field.key) == null)
{
SprotoHelper.Error("[SprotoCodec.EncodeSprotoObjectDict] exist null mainindex '{0}' in field '{1}'", field.key, field.name);
}
SprotoType elemtype = sprotomgr.GetType(elemobj.type);
int elemsize_pos = writer.Position;
writer.Seek(SprotoCodec.SIZEOF_LENGTH, SprotoStream.SEEK_CUR);
UInt32 elemsize = this.EncodeSprotoObject(sprotomgr, elemtype, elemobj, writer);
this.FillSize(writer, elemsize_pos, elemsize);
size += (SprotoCodec.SIZEOF_LENGTH + elemsize);
}
return(size);
}
// Parser from binary(*.spb)
private static void _ParseFromBinary(SprotoMgr sprotomgr, byte[] bytes, int length)
{
SprotoMgr meta = SprotoParser.Parse(meta_proto);
SprotoStream reader = new SprotoStream();
reader.Write(bytes, 0, length);
reader.Seek(0, SprotoStream.SEEK_BEGIN);
SprotoObject group = meta.Decode("group", reader);
List <SprotoObject> types = null;
List <SprotoObject> protocols = null;
if (group.Get("type") != null)
{
types = group.Get("type");
foreach (SprotoObject meta_type in types)
{
SprotoType type = new SprotoType();
type.name = meta_type["name"];
if (meta_type.Has("fields"))
{
List <SprotoObject> fields = meta_type["fields"];
foreach (SprotoObject meta_field in fields)
{
SprotoField field = new SprotoField();
field.name = meta_field["name"];
field.tag = (UInt16)meta_field["tag"];
field.is_array = false;
if (meta_field.Has("array"))
{
field.is_array = (bool)meta_field["array"];
}
Int64 type_id;
if (meta_field.Has("buildin"))
{
type_id = meta_field["buildin"];
field.type = SprotoParser.BuildInTypeId2Name[type_id];
if (type_id == 0 && meta_field.Has("type"))
{
// fixed float
field.digit = (UInt16)meta_field["type"];
}
else if (type_id == 2 && meta_field.Has("type"))
{
// binary
field.type = "binary";
}
}
else
{
type_id = meta_field["type"];
SprotoObject t = types[(int)type_id];
field.type = t["name"];
// map
if (meta_field.Has("key"))
{
SprotoHelper.Assert(field.is_array);
UInt16 map_index = (UInt16)meta_field["key"];
List <SprotoObject> t_fields = t["fields"];
string name = null;
foreach (SprotoObject f in t_fields)
{
if (f["tag"] == map_index)
{
name = f["name"];
break;
}
}
SprotoHelper.Assert(name != null, String.Format("map index {0} cann't find in type '{1}'", map_index, field.type));
field.key = name;
}
}
type.AddField(field);
}
}
sprotomgr.AddType(type);
}
}
if (group.Get("protocol") != null)
{
protocols = group.Get("protocol");
foreach (SprotoObject meta_protocol in protocols)
{
SprotoProtocol protocol = new SprotoProtocol();
protocol.name = meta_protocol["name"];
protocol.tag = (UInt16)meta_protocol["tag"];
if (meta_protocol["request"] != null)
{
Int64 request = meta_protocol["request"];
protocol.request = types[(int)request]["name"];
}
if (meta_protocol["response"] != null)
{
Int64 response = meta_protocol["response"];
protocol.response = types[(int)response]["name"];
}
bool confirm = meta_protocol["confirm"];
if (confirm)
{
protocol.response = null;
}
sprotomgr.AddProtocol(protocol);
}
}
}
private UInt32 EncodeSprotoObject(SprotoMgr sprotomgr, SprotoType type, SprotoObject obj, SprotoStream writer)
{
// encode header part
List <UInt16> tags = new List <UInt16>(type.tagfields.Keys);
tags.Sort();
UInt16 fieldnum = 0;
Int16 lasttag = -1;
int fieldnum_pos = writer.Position;
writer.Seek(SprotoCodec.SIZEOF_FIELD, SprotoStream.SEEK_CUR);
List <UInt16> data_tags = new List <UInt16>();
for (int i = 0; i < tags.Count; i++)
{
UInt16 tag = tags[i];
SprotoField field = type.GetField(tag);
SprotoObject fieldobj = obj.Get(field.name);
if (fieldobj != null)
{
UInt16 skiptag = (UInt16)(tag - lasttag);
//Console.WriteLine("skiptag: tag={0},lasttag={1},skiptag={2}",tag,lasttag,skiptag);
lasttag = (Int16)tag;
if (skiptag > 1)
{
skiptag = (UInt16)((skiptag - 1) * 2 - 1);
this.WriteTag(writer, skiptag);
fieldnum++;
}
fieldnum++;
bool encode_in_header = false;
if (!field.is_array)
{
if (field.type == "integer")
{
Int64 integer;
if (field.digit == 0)
{
integer = (Int64)fieldobj.val;
}
else
{
integer = (Int64)(Math.Round((double)fieldobj.val * MathPow(10, field.digit)));
}
if (this.IsSmallInteger(integer))
{
encode_in_header = true;
UInt16 number = (UInt16)((integer + 1) * 2);
this.WriteTag(writer, number);
}
}
else if (field.type == "boolean")
{
encode_in_header = true;
bool ok = (bool)fieldobj.val;
UInt16 integer = (UInt16)(ok ? 1 : 0);
UInt16 number = (UInt16)((integer + 1) * 2);
this.WriteTag(writer, number);
}
}
if (!encode_in_header)
{
this.WriteTag(writer, 0);
data_tags.Add(tag);
}
else
{
}
}
}
this.FillFieldNum(writer, fieldnum_pos, fieldnum);
UInt32 size = SprotoCodec.SIZEOF_FIELD + fieldnum * SprotoCodec.SIZEOF_FIELD;
// encode data part
foreach (UInt16 tag in data_tags)
{
SprotoField field = type.GetField(tag);
SprotoType fieldtype = sprotomgr.GetType(field.type);
SprotoObject fieldobj = obj.Get(field.name);
int fieldsize_pos = writer.Position;
UInt32 fieldsize = 0;
writer.Seek(SprotoCodec.SIZEOF_LENGTH, SprotoStream.SEEK_CUR);
if (SprotoHelper.IsBuildInType(field.type))
{
fieldsize = this.EncodeBuildInType(field, fieldobj, writer);
}
else
{
if (field.is_array)
{
if (field.key != null)
{
string keytype = fieldtype.GetField(field.key).type;
if (keytype == "integer")
{
Dictionary <Int64, SprotoObject> dict = fieldobj.val as Dictionary <Int64, SprotoObject>;
fieldsize = this.EncodeSprotoObjectDict <Int64>(sprotomgr, dict, field, writer);
}
else if (keytype == "string")
{
Dictionary <string, SprotoObject> dict = fieldobj.val as Dictionary <string, SprotoObject>;
fieldsize = this.EncodeSprotoObjectDict <string>(sprotomgr, dict, field, writer);
}
else if (keytype == "boolean")
{
Dictionary <bool, SprotoObject> dict = fieldobj.val as Dictionary <bool, SprotoObject>;
fieldsize = this.EncodeSprotoObjectDict <bool>(sprotomgr, dict, field, writer);
}
else
{
SprotoHelper.Error("[SprotoCodec.EncodeSprotoObject] keytype expect 'integer/boolean/string' got '{0}'", keytype);
}
}
else
{
List <SprotoObject> list = fieldobj.val as List <SprotoObject>;
fieldsize = this.EncodeSprotoObjectList(sprotomgr, list, writer);
}
}
else
{
fieldsize = this.EncodeSprotoObject(sprotomgr, fieldtype, fieldobj, writer);
}
}
this.FillSize(writer, fieldsize_pos, fieldsize);
size += (fieldsize + SprotoCodec.SIZEOF_LENGTH);
}
return(size);
}
