VJson release v0.9.9 | A Single Class JSON Hierarchy in Swift

Old

I have released a new version of VJson, a JSON hierarchy that can be used to create and parse JSON code.

Yet another JSON parser? Yes.

For some reasons I needed to own the sources that could be used to create JSON code and to parse JSON code. A simple way to achieve this is to write your own...

It also has the advantage that I get to decide how the interface looks. And that is quite important to me. Usage should be easy. And I believe I have achieved just that. I have not studied other implementations, and I am sure there are (many?) similar solutions "out there".

So how easy is it?

... Read more about it in my pervious post for the 0.9.8 release here.

New

In this release (0.9.9) I have added a static function to create a VJson hierarchy using Apple's parser: NSJSONSerialization.

Apple's parse is faster than the build-in parser functions so far. To me it seems about twice as fast.

But before you decide to switch to Apple's parser there is a catch, two in fact:

First: Apple's parser reads JSON BOOL items as instances of NSNumber. This has the drawback of being unable to verify if a certain JSON item is in fact a bool or an integer (with value 0 or 1). This also causes a symmetry break. This is more an academic argument, but I like my read/write code to be symmetrical: i.e. reading JSON code and then converting the resulting hierarchy to text again should create exactly the same text as the original code. With Apple's parser this is not possible without additional (and rather complicated) code.

Second: Apple's parser cannot process JSON code that contains for a single object two name/value pairs with identical names. This is probably no real biggy, but it can be quite inconvenient if the JSON code you receive uses this feature.

While I do have some vague plan for speed improvements of the VJson native parser, for now you should use Apple's parser if time is an issue and the two drawbacks do not prevent its usage. Otherwise, stick with the native parser functions.

The VJson parser/hierarchy can be downloaded from Github.

Happy coding...

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