Working with JSON a whole lot with MongoDB over a REST Interface. Mark Smith's (RIP) libJSON is really nice. As easy as arrayToJson(pArray) and jsonToArray(pJSON)
On Wed, Aug 29, 2012 at 9:27 AM, Richard Gaskin <ambassa...@fourthworld.com> wrote: > Rod McCall wrote: >> >> I am currently developing a server application for a car simulator and >> part of it may use JSON. I'd appreciate any pointers to tutorials or >> even links to libraries on how to use JSON in LiveCode, therefore if >> you have any tips in this direction please let me know. . Otherwise I >> may have to revert to CSV or XML. From memory LiveCode did have some >> nice XML features but it's a while since I tried them out. > > > The libJSON stack Andy suggested should work well for what you need: > <http://revonline2.runrev.com/stack/82/LibJson-1-0b> > > FWIW, if by chance you're also using RevServer on the server end you may > find working with encoded arrays even more convenient, and certainly much > faster. > > Compressed encoded arrays have become my favorite transport vehicle for > data, running them through base64Encode to make them extra network-safe: > > put base64Encode(compress(arrayEncode(tArray))) into tOutData > > On the receiving end it's probably best to handle each of the reversing > functions in a set of "try" statements to avoid execution errors in the > event that anything happened to the data in transit: > > function PayloadToArray pArray > try > put base64Decode(pArray) into pArray > catch tErr > throw "Data not base64-encoded" > end try > -- > try > put decompress(pArray) into pArray > catch tErr > throw "Data not compressed" > end try > -- > try > put arrayDecode(pArray) into pArray > catch tErr > throw "Data not array-encoded" > end try > -- > return pArray > end PayloadToArray > > > Looking at the BSON format used by a growing number of data stores like > MongoDB, it's a natural compliment to JSON but much more compact and with > simpler parsing. But of course if you're writing for a browser client or a > server over which you have no control over the output, converting to and > from JSON is about as good as it gets for expressing hierarchical structures > easily. > > But if you're writing for a LiveCode client and use LiveCode on the server, > LiveCode's encoded arrays are quite similar to BSON in many respects, and > with the speedy convenience of arrayEncode and arrayDecode they're a joy to > work with, avoiding the overhead of the more verbose and > computationally-costly JSON. > > With encoded arrays, it's almost like working with native BSON on both sides > of a client-server system. > > -- > Richard Gaskin > Fourth World > LiveCode training and consulting: http://www.fourthworld.com > Webzine for LiveCode developers: http://www.LiveCodeJournal.com > Follow me on Twitter: http://twitter.com/FourthWorldSys > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode -- Regards, Andrew Kluthe and...@ctech.me _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode