void JSONValue::FromBinary(Stream& source)
{
JSONType newType = (JSONType)source.Read<unsigned char>();
switch (newType)
{
case JSON_NULL:
Clear();
break;
case JSON_BOOL:
*this = source.Read<bool>();
break;
case JSON_NUMBER:
*this = source.Read<double>();
break;
case JSON_STRING:
*this = source.Read<String>();
break;
case JSON_ARRAY:
{
SetEmptyArray();
size_t num = source.ReadVLE();
for (size_t i = 0; i < num && !source.IsEof(); ++i)
Push(source.Read<JSONValue>());
}
break;
case JSON_OBJECT:
{
SetEmptyObject();
size_t num = source.ReadVLE();
for (size_t i = 0; i < num && !source.IsEof(); ++i)
{
String key = source.Read<String>();
(*this)[key] = source.Read<JSONValue>();
}
}
break;
default:
break;
}
}
bool JSONValue::Parse(const char*& pos, const char*& end)
{
char c;
// Handle comments
for (;;)
{
if (!NextChar(c, pos, end, true))
return false;
if (c == '/')
{
if (!NextChar(c, pos, end, false))
return false;
if (c == '/')
{
// Skip until end of line
if (!MatchChar('\n', pos, end))
return false;
}
else if (c == '*')
{
// Skip until end of comment
if (!MatchChar('*', pos, end))
return false;
if (!MatchChar('/', pos, end))
return false;
}
else
return false;
}
else
break;
}
if (c == '}' || c == ']')
return false;
else if (c == 'n')
{
SetNull();
return MatchString("ull", pos, end);
}
else if (c == 'f')
{
*this = false;
return MatchString("alse", pos, end);
}
else if (c == 't')
{
*this = true;
return MatchString("rue", pos, end);
}
else if (IsDigit(c) || c == '-')
{
--pos;
*this = strtod(pos, const_cast<char**>(&pos));
return true;
}
else if (c == '\"')
{
SetType(JSON_STRING);
return ReadJSONString(*(reinterpret_cast<String*>(&data)), pos, end, true);
}
else if (c == '[')
{
SetEmptyArray();
// Check for empty first
if (!NextChar(c, pos, end, true))
return false;
if (c == ']')
return true;
else
--pos;
for (;;)
{
JSONValue arrayValue;
if (!arrayValue.Parse(pos, end))
return false;
Push(arrayValue);
if (!NextChar(c, pos, end, true))
return false;
if (c == ']')
break;
else if (c != ',')
return false;
}
return true;
}
else if (c == '{')
{
SetEmptyObject();
if (!NextChar(c, pos, end, true))
return false;
if (c == '}')
return true;
else
--pos;
for (;;)
{
String key;
if (!ReadJSONString(key, pos, end, false))
return false;
if (!NextChar(c, pos, end, true))
return false;
if (c != ':')
return false;
JSONValue objectValue;
if (!objectValue.Parse(pos, end))
return false;
(*this)[key] = objectValue;
if (!NextChar(c, pos, end, true))
return false;
if (c == '}')
break;
else if (c != ',')
return false;
}
return true;
}
return false;
}
