public override int parse()
{
string value = "";
int cur_pos = SkipGarbage(_data, _data_start, _data_boundary);
if (_data[cur_pos] != '"')
{
throw new System.Exception(FormatError("double quote was expected", cur_pos));
}
cur_pos++;
int str_start = cur_pos;
Tjstate state = Tjstate.JWAITFORSTRINGVALUE;
while (cur_pos < _data_boundary)
{
char sti = _data[cur_pos];
switch (state)
{
case Tjstate.JWAITFORSTRINGVALUE:
if (sti == '\\')
{
value += _data.Substring(str_start, cur_pos - str_start);
str_start = cur_pos;
state = Tjstate.JWAITFORSTRINGVALUE_ESC;
}
else if (sti == '"')
{
value += _data.Substring(str_start, cur_pos - str_start);
_stringValue = value;
_data_len = (cur_pos + 1) - _data_start;
return(_data_len);
}
else if (sti < 32)
{
throw new System.Exception(FormatError("invalid char: was expecting string value", cur_pos));
}
break;
case Tjstate.JWAITFORSTRINGVALUE_ESC:
value += sti;
state = Tjstate.JWAITFORSTRINGVALUE;
str_start = cur_pos + 1;
break;
default:
throw new System.Exception(FormatError("invalid state for YJSONObject", cur_pos));
}
cur_pos++;
}
throw new System.Exception(FormatError("unexpected end of data", cur_pos));
}
public override int parse()
{
string current_name = "";
int name_start = _data_start;
int cur_pos = SkipGarbage(_data, _data_start, _data_boundary);
if (_data.Length <= cur_pos || _data[cur_pos] != '{')
{
throw new System.Exception(FormatError("Opening braces was expected", cur_pos));
}
cur_pos++;
Tjstate state = Tjstate.JWAITFORNAME;
while (cur_pos < _data_boundary)
{
char sti = _data[cur_pos];
switch (state)
{
case Tjstate.JWAITFORNAME:
if (sti == '"')
{
state = Tjstate.JWAITFORENDOFNAME;
name_start = cur_pos + 1;
}
else if (sti == '}')
{
_data_len = cur_pos + 1 - _data_start;
return(_data_len);
}
else
{
if (sti != ' ' && sti != '\n' && sti != '\r')
{
throw new System.Exception(FormatError("invalid char: was expecting \"", cur_pos));
}
}
break;
case Tjstate.JWAITFORENDOFNAME:
if (sti == '"')
{
current_name = _data.Substring(name_start, cur_pos - name_start);
state = Tjstate.JWAITFORCOLON;
}
else
{
if (sti < 32)
{
throw new System.Exception(FormatError("invalid char: was expecting an identifier compliant char", cur_pos));
}
}
break;
case Tjstate.JWAITFORCOLON:
if (sti == ':')
{
state = Tjstate.JWAITFORDATA;
}
else
{
if (sti != ' ' && sti != '\n' && sti != '\r')
{
throw new System.Exception(
FormatError("invalid char: was expecting \"", cur_pos));
}
}
break;
case Tjstate.JWAITFORDATA:
if (sti == '{')
{
YJSONObject jobj = new YJSONObject(_data, cur_pos, _data_boundary);
int len = jobj.parse();
cur_pos += len;
parsed.Add(current_name, jobj);
_keys.Add(current_name);
state = Tjstate.JWAITFORNEXTSTRUCTMEMBER;
//cur_pos is already incremented
continue;
}
else if (sti == '[')
{
YJSONArray jobj = new YJSONArray(_data, cur_pos, _data_boundary);
int len = jobj.parse();
cur_pos += len;
parsed.Add(current_name, jobj);
_keys.Add(current_name);
state = Tjstate.JWAITFORNEXTSTRUCTMEMBER;
//cur_pos is already incremented
continue;
}
else if (sti == '"')
{
YJSONString jobj = new YJSONString(_data, cur_pos, _data_boundary);
int len = jobj.parse();
cur_pos += len;
parsed.Add(current_name, jobj);
_keys.Add(current_name);
state = Tjstate.JWAITFORNEXTSTRUCTMEMBER;
//cur_pos is already incremented
continue;
}
else if (sti == '-' || (sti >= '0' && sti <= '9'))
{
YJSONNumber jobj = new YJSONNumber(_data, cur_pos, _data_boundary);
int len = jobj.parse();
cur_pos += len;
parsed.Add(current_name, jobj);
_keys.Add(current_name);
state = Tjstate.JWAITFORNEXTSTRUCTMEMBER;
//cur_pos is already incremented
continue;
}
else if (sti != ' ' && sti != '\n' && sti != '\r')
{
throw new System.Exception(FormatError("invalid char: was expecting \",0..9,t or f", cur_pos));
}
break;
case Tjstate.JWAITFORNEXTSTRUCTMEMBER:
if (sti == ',')
{
state = Tjstate.JWAITFORNAME;
name_start = cur_pos + 1;
}
else if (sti == '}')
{
_data_len = cur_pos + 1 - _data_start;
return(_data_len);
}
else
{
if (sti != ' ' && sti != '\n' && sti != '\r')
{
throw new System.Exception(FormatError("invalid char: was expecting ,", cur_pos));
}
}
break;
case Tjstate.JWAITFORNEXTARRAYITEM:
case Tjstate.JWAITFORSTRINGVALUE:
case Tjstate.JWAITFORINTVALUE:
case Tjstate.JWAITFORBOOLVALUE:
throw new System.Exception(FormatError("invalid state for YJSONObject", cur_pos));
}
cur_pos++;
}
throw new System.Exception(FormatError("unexpected end of data", cur_pos));
}
public override int parse()
{
int cur_pos = SkipGarbage(_data, _data_start, _data_boundary);
if (_data[cur_pos] != '[')
{
throw new System.Exception(FormatError("Opening braces was expected", cur_pos));
}
cur_pos++;
Tjstate state = Tjstate.JWAITFORDATA;
while (cur_pos < _data_boundary)
{
char sti = _data[cur_pos];
switch (state)
{
case Tjstate.JWAITFORDATA:
if (sti == '{')
{
YJSONObject jobj = new YJSONObject(_data, cur_pos, _data_boundary);
int len = jobj.parse();
cur_pos += len;
_arrayValue.Add(jobj);
state = Tjstate.JWAITFORNEXTARRAYITEM;
//cur_pos is already incremented
continue;
}
else if (sti == '[')
{
YJSONArray jobj = new YJSONArray(_data, cur_pos, _data_boundary);
int len = jobj.parse();
cur_pos += len;
_arrayValue.Add(jobj);
state = Tjstate.JWAITFORNEXTARRAYITEM;
//cur_pos is already incremented
continue;
}
else if (sti == '"')
{
YJSONString jobj = new YJSONString(_data, cur_pos, _data_boundary);
int len = jobj.parse();
cur_pos += len;
_arrayValue.Add(jobj);
state = Tjstate.JWAITFORNEXTARRAYITEM;
//cur_pos is already incremented
continue;
}
else if (sti == '-' || (sti >= '0' && sti <= '9'))
{
YJSONNumber jobj = new YJSONNumber(_data, cur_pos, _data_boundary);
int len = jobj.parse();
cur_pos += len;
_arrayValue.Add(jobj);
state = Tjstate.JWAITFORNEXTARRAYITEM;
//cur_pos is already incremented
continue;
}
else if (sti == ']')
{
_data_len = cur_pos + 1 - _data_start;
return(_data_len);
}
else if (sti != ' ' && sti != '\n' && sti != '\r')
{
throw new System.Exception(FormatError("invalid char: was expecting \",0..9,t or f", cur_pos));
}
break;
case Tjstate.JWAITFORNEXTARRAYITEM:
if (sti == ',')
{
state = Tjstate.JWAITFORDATA;
}
else if (sti == ']')
{
_data_len = cur_pos + 1 - _data_start;
return(_data_len);
}
else
{
if (sti != ' ' && sti != '\n' && sti != '\r')
{
throw new System.Exception(FormatError("invalid char: was expecting ,", cur_pos));
}
}
break;
default:
throw new System.Exception(FormatError("invalid state for YJSONObject", cur_pos));
}
cur_pos++;
}
throw new System.Exception(FormatError("unexpected end of data", cur_pos));
}
private Nullable<TJSONRECORD> ParseEx(Tjstate initialstate, string defaultname, ref string st, ref int i)
{
Nullable<TJSONRECORD> functionReturnValue = default(Nullable<TJSONRECORD>);
TJSONRECORD res = default(TJSONRECORD);
TJSONRECORD value = default(TJSONRECORD);
Tjstate state = default(Tjstate);
string svalue = "";
int ivalue = 0;
int isign = 0;
char sti = '\0';
string name = null;
name = defaultname;
state = initialstate;
isign = 1;
ivalue = 0;
while (i < st.Length)
{
sti = st[i];
switch (state)
{
case Tjstate.JWAITFORNAME:
if (sti == '"')
{
state = Tjstate.JWAITFORENDOFNAME;
}
else
{
if (sti != ' ' & sti != '\n' & sti != ' ')
ParseError(ref st, i, "invalid char: was expecting \"");
}
break;
case Tjstate.JWAITFORENDOFNAME:
if (sti == '"')
{
state = Tjstate.JWAITFORCOLON;
}
else
{
if (sti >= 32)
name = name + sti;
else
ParseError(ref st, i, "invalid char: was expecting an identifier compliant char");
}
break;
case Tjstate.JWAITFORCOLON:
if (sti == ':')
{
state = Tjstate.JWAITFORDATA;
}
else
{
if (sti != ' ' & sti != '\n' & sti != ' ')
ParseError(ref st, i, "invalid char: was expecting \"");
}
break;
case Tjstate.JWAITFORDATA:
if (sti == '{')
{
res = createStructRecord(name);
state = Tjstate.JWAITFORNEXTSTRUCTMEMBER;
}
else if (sti == '[')
{
res = createArrayRecord(name);
state = Tjstate.JWAITFORNEXTARRAYITEM;
}
else if (sti == '"')
{
svalue = "";
state = Tjstate.JWAITFORSTRINGVALUE;
}
else if (sti >= '0' & sti <= '9')
{
state = Tjstate.JWAITFORINTVALUE;
ivalue = sti - 48;
isign = 1;
}
else if (sti == '-')
{
state = Tjstate.JWAITFORINTVALUE;
ivalue = 0;
isign = -1;
}
else if (sti == 't' || sti == 'f' || sti == 'T' || sti == 'F')
{
svalue = sti.ToString().ToUpper();
state = Tjstate.JWAITFORBOOLVALUE;
}
else if (sti != ' ' & sti != '\n' & sti != ' ')
{
ParseError(ref st, i, "invalid char: was expecting \",0..9,t or f");
}
break;
case Tjstate.JWAITFORSTRINGVALUE:
if (sti == '"')
{
state = Tjstate.JSCOMPLETED;
res = createStrRecord(name, svalue);
}
else if (sti < 32)
{
ParseError(ref st, i, "invalid char: was expecting string value");
}
else
{
svalue = svalue + sti;
}
break;
case Tjstate.JWAITFORINTVALUE:
if (sti >= '0' & sti <= '9')
{
ivalue = (ivalue * 10) + sti - 48;
}
else
{
res = createIntRecord(name, isign * ivalue);
state = Tjstate.JSCOMPLETED;
i = i - 1;
}
break;
case Tjstate.JWAITFORBOOLVALUE:
if (sti < 'A' | sti > 'Z')
{
if (svalue != "TRUE" & svalue != "FALSE")
ParseError(ref st, i, "unexpected value, was expecting \"true\" or \"false\"");
if (svalue == "TRUE")
res = createBoolRecord(name, true);
else
res = createBoolRecord(name, false);
state = Tjstate.JSCOMPLETED;
i = i - 1;
}
else
{
svalue = svalue + sti.ToString().ToUpper();
}
break;
case Tjstate.JWAITFORNEXTSTRUCTMEMBER:
sti = Skipgarbage(ref st, ref i);
if (i < st.Length)
{
if (sti == '}')
{
functionReturnValue = res;
i = i + 1;
return functionReturnValue;
}
else
{
value = (TJSONRECORD)ParseEx(Tjstate.JWAITFORNAME, "", ref st, ref i);
add2StructRecord(ref res, ref value);
sti = Skipgarbage(ref st, ref i);
if (i < st.Length)
{
if (sti == '}' & i < st.Length)
{
i = i - 1;
}
else if (sti != ' ' & sti != '\n' & sti != ' ' & sti != ',')
{
ParseError(ref st, i, "invalid char: vas expecting , or }");
}
}
}
}
break;
case Tjstate.JWAITFORNEXTARRAYITEM:
sti = Skipgarbage(ref st, ref i);
if (i < st.Length)
{
if (sti == ']')
{
functionReturnValue = res;
i = i + 1;
return functionReturnValue;
}
else
{
value = (TJSONRECORD)ParseEx(Tjstate.JWAITFORDATA, res.itemcount.ToString(), ref st, ref i);
add2ArrayRecord(ref res, ref value);
sti = Skipgarbage(ref st, ref i);
if (i < st.Length)
{
if (sti == ']' & i < st.Length)
{
i = i - 1;
}
else if (sti != ' ' & sti != '\n' & sti != ' ' & sti != ',')
{
ParseError(ref st, i, "invalid char: vas expecting , or ]");
}
}
}
}
break;
case Tjstate.JSCOMPLETED:
functionReturnValue = res;
return functionReturnValue;
}
i++;
}
ParseError(ref st, i, "unexpected end of data");
functionReturnValue = null;
return functionReturnValue;
}
