Hello,

I have changed the JSON parser, it is now written on top of a SAX-like JSON reader (which is available separately). All unit tests work fine, and the few extra tests which I did also, but I would like to hear if someone has code that no longer works.

The change is committed in trunk. The new JSON reader is available in the unit jsonreader. Useful if you want to process large amounts of JSON data without building the whole JSON document in memory.

Michael.

Hi,

Useful if you want to process large amounts of JSON data without building the whole JSON document in memory.

I have always used jsonscanner for that...

Best,
Benito

Well, JSONScanner does not do structural JSON validation. JSONReader does.
JSONReader of course uses JSONScanner to get the tokens.

Michael.

Thank you for this, Michael. I think it is wonderful work.

I've done some old tests of the new implementation and it looks very good. The only failed tests were related to date and time representation. This appears to be fixed in the new version. Most importantly, I see no memory leaks when parsing fails due to malformed JSON, and that is great!

The only fixes I had to do to my own software to accommodate the new implementation, were:

1) comment out the "Strict" property of the TJSONParser (it appears it no longer exists); I used to set it to false, to allow for more flexibility in JSON syntax.

2) add the missing procedure SetKey(obj:TJSONObject); to TJSONConfig since it was removed from the new version of jsonconf.pp; anyway, in this particular case, it may be me that has to rethink and simplify my use of the json config component that does not need SetKey.

Hope this helps,

Stefan

It has been superseded by the more flexible 'Options' property since quite some time;
It was marked 'deprecated' in 3.0, and has now been removed in trunk.

The JSONConfig has not been changed recently, I suspect this change was already in 3.0.

Hope this helps,

It does, and I hope the above helps you in reviving your code :)

Michael.