private string check_type(string ptype, string fieldtype)
{
if (SprotoHelper.IsBuildInType(fieldtype))
{
return(fieldtype);
}
string fullname = ptype + "." + fieldtype;
if (this.GetType(fullname) != null)
{
return(fullname);
}
// backtrace find
List <string> list = new List <string>(ptype.Split('.'));
list.RemoveAt(list.Count - 1);
if (list.Count > 0)
{
string pptype = String.Join(".", list.ToArray());
return(this.check_type(pptype, fieldtype));
}
else if (this.GetType(fieldtype) != null)
{
return(fieldtype);
}
else
{
return(null);
}
}
private static SprotoField parse_field(Lexer lexer, SprotoType type)
{
SprotoField field = new SprotoField();
Token token = expect(lexer, "word", "space");
field.name = token.val;
// allow colon follow by tag,eg: field tag: type
token = expect(lexer, "tag");
ignore(lexer, "space");
field.tag = Convert.ToUInt16(token.val);
if (field.tag >= SprotoParser.MAX_FIELD_TAG)
{
SprotoHelper.Error(lexer.error_pos(token.line, token.column, type) + "{0} field's tag {1} >= {2}", field.name, field.tag, SprotoParser.MAX_FIELD_TAG);
}
expect(lexer, "colon", "space");
token = optional(lexer, "star");
if (token != null)
{
field.is_array = true;
}
token = expect(lexer, "word");
field.type = token.val;
string fieldtype = field.type;
token = optional(lexer, "key_start");
if (token != null)
{
// allow field tag : type(space+key+space)
ignore(lexer, "space");
token = expect(lexer, "word|tag");
if ("tag" == token.type)
{
if (fieldtype != "integer")
{
SprotoHelper.Error(lexer.error_pos(token.line, token.column, type) + "decimal index expect 'integer' got '{0}'", fieldtype);
}
field.digit = Convert.ToUInt16(token.val);
if (field.digit > SprotoParser.MAX_DECIMAL)
{
SprotoHelper.Error(lexer.error_pos(token.line, token.column, type) + "decimal index {0} > {1}", field.digit, SprotoParser.MAX_DECIMAL);
}
}
else
{
if (SprotoHelper.IsBuildInType(fieldtype))
{
SprotoHelper.Error(lexer.error_pos(token.line, token.column, type) + "map index expect 'usertype' got '{0}'", fieldtype);
}
field.key = token.val;
}
ignore(lexer, "space");
expect(lexer, "key_end", "space");
}
else
{
expect(lexer, "space");
ignore(lexer, "space");
}
return(field);
}
public SprotoObject Decode(SprotoMgr sprotomgr, string typename, SprotoStream reader)
{
if (SprotoHelper.IsBuildInType(typename))
{
SprotoHelper.Error("[SprotoCodec.Decode] expect a 'non-buildin-type' got '{0}'", typename);
}
SprotoType type = sprotomgr.GetType(typename);
if (null == type)
{
SprotoHelper.Error("[SprotoCodec.Decode] occur a unknow-type '{0}'", typename);
}
SprotoObject obj = this.DecodeSprotoObject(sprotomgr, type, reader);
return(obj);
}
private void check_type()
{
foreach (var type in this.Types.Values)
{
foreach (var field in type.fields.Values)
{
if (!SprotoHelper.IsBuildInType(field.type) && (null == this.GetType(field.type)))
{
SprotoHelper.Error("undefined type '{0}' in field '{1}.{2}'", field.type, type.name, field.name);
}
if (field.key != null)
{
SprotoType fieldtype = this.GetType(field.type);
if (null == fieldtype.GetField(field.key))
{
SprotoHelper.Error("map index '{0}' cann't found in type '{1}'", field.key, field.type);
}
}
}
}
}
public SprotoStream Encode(SprotoMgr sprotomgr, SprotoObject obj, SprotoStream writer = null)
{
if (null == writer)
{
writer = new SprotoStream();
}
string typename = obj.type;
if (SprotoHelper.IsBuildInType(typename))
{
SprotoHelper.Error("[SprotoCodec.Encode] expect a 'non-buildin-type sprotoobj' got '{0}'", typename);
}
SprotoType type = sprotomgr.GetType(typename);
if (null == type)
{
SprotoHelper.Error("[SprotoCodec.Encode] occur a unknow-type '{0}'", typename);
}
this.EncodeSprotoObject(sprotomgr, type, obj, writer);
return(writer);
}
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);
}
private SprotoObject DecodeSprotoObject(SprotoMgr sprotomgr, SprotoType type, SprotoStream reader)
{
SprotoObject obj = sprotomgr.NewSprotoObject(type.name);
// decode header part
UInt16 fieldnum = this.ReadUInt16(reader);
List <UInt16> data_tags = new List <UInt16>();
UInt16 curtag = 0;
for (UInt16 i = 0; i < fieldnum; i++)
{
UInt16 tag = this.ReadUInt16(reader);
if (tag == 0)
{
data_tags.Add(curtag);
curtag++;
}
else if (0 == (tag & 1)) // even
{
UInt16 val = (UInt16)((tag / 2) - 1);
SprotoField field = type.GetField(curtag);
if (field != null) // for protocol version compatibility
{
if (field.type == "integer")
{
if (0 == field.digit)
{
Int64 number = (Int64)(val);
obj.Set(field.name, number);
}
else
{
double number = (double)val / MathPow(10, field.digit);
obj.Set(field.name, number);
}
}
else if (field.type == "boolean")
{
if (!(val == 0 || val == 1))
{
SprotoHelper.Error("[SprotoCodec.DecodeSprotoObject] type={0},field={1},boolean type expect value '0/1' got '{2}'", type.name, curtag, val);
}
bool ok = (val == 0) ? false : true;
obj.Set(field.name, ok);
}
else
{
SprotoHelper.Error("[SprotoCodec.DecodeSprotoObject] type={0},field={1},expect type 'integer/boolean' got '{2}'", type.name, curtag, field.type);
}
}
curtag++;
}
else // odd
{
curtag += (UInt16)((tag + 1) / 2);
}
}
// decode data part
foreach (UInt16 tag in data_tags)
{
SprotoField field = type.GetField(tag);
if (field != null)
{
object fieldobj = null;
if (SprotoHelper.IsBuildInType(field.type))
{
fieldobj = this.DecodeBuildInType(field, reader);
}
else
{
SprotoType fieldtype = sprotomgr.GetType(field.type);
if (field.is_array)
{
if (field.key != null)
{
string keytype = fieldtype.GetField(field.key).type;
if (keytype == "integer")
{
fieldobj = this.DecodeSprotoObjectDict <Int64>(sprotomgr, fieldtype, field, reader);
}
else if (keytype == "string")
{
fieldobj = this.DecodeSprotoObjectDict <string>(sprotomgr, fieldtype, field, reader);
}
else if (keytype == "boolean")
{
fieldobj = this.DecodeSprotoObjectDict <bool>(sprotomgr, fieldtype, field, reader);
}
else
{
SprotoHelper.Error("[SprotoCodec.DecodeSprotoObject] keytype expect 'integer/boolean/string' got '{0}'", keytype);
}
}
else
{
fieldobj = this.DecodeSprotoObjectList(sprotomgr, fieldtype, reader);
}
}
else
{
this.ReadUInt32(reader);
fieldobj = this.DecodeSprotoObject(sprotomgr, fieldtype, reader);
}
}
obj.Set(field.name, fieldobj);
}
else
{
// for protocol version compatibility
UInt32 fieldsize = this.ReadUInt32(reader);
this.IgnoreByte(reader, fieldsize);
}
}
return(obj);
}