Re: Storing application state as XML
At 13:52 +0200 17/6/99, Ketil Z Malde wrote: >We have a rather complex application which stores its state using the >standard MFC serialize stuff (well, actually a somewhat hacked >version, but that's beside the point). Now, this limits our freedom >in (or at least severely complicates) redesigning internal class >structure while maintaining backwards file compatibility, and we've >been pondering an XML format instead. I've just finished a major enhancement to our cross-platform report-writer so it can write a document out to XML and retrieve it. The single desktop document contains one or many reports, each containing - schema - style - layout - data I enhanced our expatpp wrapper for expat so it supports invoking nested parsers. This is a really easy way to parse data within a very strict domain, much like your serialisation demands. It means you can keep the parser for a given object self-contained to avoid any given parser becoming complex. It also means the string comparisons as the events arrive are much more optimal. You can grab expatpp from http://www.highway1.com.au/adsoftware/expatpp.html including sample code showing how the report writer parsing works. More information on the report-writer and links to our (now) free OOFILE database API including the XML output and data parsing at http://www.oofile.com.au Andy Dent BSc MACS AACM, Software Designer, A.D. Software, Western Australia OOFILE - Database, Reports, Graphs, GUI for c++ on Mac, Unix & Windows PP2MFC - PowerPlant->MFC portability http://www.oofile.com.au/ xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ and on CD-ROM/ISBN 981-02-3594-1 To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
PURCHASE STYLUS STUDIO ONLINE TODAY!
Purchasing Stylus Studio from our online shop is Easy, Secure and Value Priced!
Download The World's Best XML IDE!
Accelerate XML development with our award-winning XML IDE - Download a free trial today!
Subscribe in XML format