int JSON::parseNumber(const tiny_string &jsonstring, int pos, ASObject** parent, const multiname& key)
{
int len = jsonstring.numBytes();
tiny_string res;
bool done = false;
while (!done && pos < len)
{
char c = jsonstring.charAt(pos);
switch(c)
{
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '-':
case '+':
case '.':
case 'E':
case 'e':
res += c;
pos++;
break;
default:
done = true;
break;
}
}
ASString* numstr = Class<ASString>::getInstanceS(res);
number_t num = numstr->toNumber();
if (std::isnan(num))
throwError<SyntaxError>(kJSONInvalidParseInput);
if (*parent == NULL)
*parent = Class<Number>::getInstanceS(num);
else
{
(*parent)->setVariableByMultiname(key,Class<Number>::getInstanceS(num),ASObject::CONST_NOT_ALLOWED);
}
return pos;
}
bool Vector::isValidMultiname(const multiname& name, uint32_t& index)
{
//First of all the multiname has to contain the null namespace
//As the namespace vector is sorted, we check only the first one
assert_and_throw(name.ns.size()!=0);
if(name.ns[0].name!="")
return false;
index=0;
switch(name.name_type)
{
//We try to convert this to an index, otherwise bail out
case multiname::NAME_STRING:
{
if(name.name_s.empty())
return false;
ASString* s = Class<ASString>::getInstanceS(name.name_s);
number_t n = s->toNumber();
delete s;
if(!Number::isInteger(n) || n<0)
return false;
index = n;
break;
}
//This is already an int, so its good enough
case multiname::NAME_INT:
if(name.name_i < 0)
throw Class<RangeError>::getInstanceS("Error #1125");
index=name.name_i;
break;
case multiname::NAME_NUMBER:
if(!Number::isInteger(name.name_d) || name.name_d < 0)
throw Class<RangeError>::getInstanceS("Error #1125");
index = name.name_d;
break;
case multiname::NAME_OBJECT:
//TODO: should be use toPrimitive here?
return false;
default:
throw UnsupportedException("Vector::isValidMultiname not completely implemented");
}
return true;
}