Re: If XML is too hard for a programmer, perhaps he'd be bette
> On Mon, Mar 31, 2003 at 01:48:09PM -0700, Uche Ogbuji wrote: > > > On Wed, Mar 26, 2003 at 10:13:40PM -0700, Uche Ogbuji wrote: > > I'm sorry, but I didn't read anything about any specific version of Perl in > > Tim's article, and my impression was that he meant simple regexen. > It's OK, he wasn't very clear, but he did say "new" in there somewhere. > > > Or are you > > seriously meaning to put in Tim's mouth that it would be easier to write a > > YACC-like parser on your own than to re-use an existing XML parser? > > No. Phew! OK. > > > None the less, it's worth noting that one of the use cases for XML from > > > the beginning was the "desparate perl hacker" who had to change, say, > > > part number 1976 to 3072 in 100,000 documents without affecting dates, > > > and had an afternoon to do it. That specific use case was achieved in > > > practice for most people. > > > > I don't dispute that the use case was met, but I think the use case is as well > > met by using, say Python/DOM/generators as it is using regexen, > > It's hard to do a round-trip transformation in those -- a typical constraint > is that you must not change the rest of the documents, including > * white space > * entity references > * cdata sections > so that a textual "diff" will show what was altered. > > I agree with you that using a parser is better in general, but the point is > that XML is amenable to either approach. OK. I wasn't getting this point before, and it's a good one. Of course, I'd be much happier if more lexically rich XML APIs were the norm, but I think that would tend to make them *harder* and not easier for developers, so I think that's really a branch off to a different thread. On that thread somwhere would be my wishing that Simon would some day find it in his heart to port his experientations to Python :-) -- Uche Ogbuji Fourthought, Inc. http://uche.ogbuji.net http://4Suite.org http://fourthought.com Use internal references in XML vocabularies - http://www-106.ibm.com/developerw orks/xml/library/x-tipvocab.html Universal Business Language (UBL) - http://www-106.ibm.com/developerworks/xml/l ibrary/x-think16.html EXSLT by example - http://www-106.ibm.com/developerworks/library/x-exslt.html The worry about program wizards - http://www.adtmag.com/article.asp?id=7238 Use rdf:about and rdf:ID effectively in RDF/XML - http://www-106.ibm.com/develo perworks/xml/library/x-tiprdfai.html Keep context straight in XSLT - http://www-106.ibm.com/developerworks/xml/libra ry/x-tipcurrent.html Using SAX for Proper XML Output - http://www.xml.com/pub/a/2003/03/12/py-xml.ht ml SAX filters for flexible processing - http://www-106.ibm.com/developerworks/xml /library/x-tipsaxflex.html
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