I didn't mean to imply that the pattern would be plain English. I was simply using English to describe what an example pattern might be.
Matt Liotta President & CEO Montara Software, Inc. http://www.montarasoftware.com/ 888-408-0900 x901 > -----Original Message----- > From: Erik Yowell [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, January 15, 2003 3:12 PM > To: CF-Talk > Subject: RE: RE: How to handle Calendar Scheduling of Recurring Events? > > >I'm trying to grasp Matt's concept of a "pattern" field. How > you would > >parse it actually, I understand patterns, just not how to > allow for as > >many variables as could exist with plain English as > opposed to some type > >of codes. > > > >Matt, if you've got any more in-depth info on how you parse > a pattern > >like: "First Monday of January from 2003 to 2015 Except > January 14 2008 > >which will be rescheduled to January 15 2008" then I'd > appreciate a > >glimpse into how you're accomplishing that. > > There is logic in the pattern concept. That's what standards > like ISO 8601/RFC 2445 were built for. Though I don't know > if/and what kind of parser exists for it. For example (taken > from > http://www.idealliance.org/papers/xml2001/papers/html/05- > 04-06.html ) > > The 3rd instance into the month of one of Tuesday, > Wednesday or Thursday, for the next 3 months: > > DTSTART;TZID=US-Eastern:19970904T090000 > RRULE:FREQ=MONTHLY;COUNT=3;BYDAY=TU,WE,TH;B > YSETPOS=3 > > Nasty looking rule, but there's a whole slew of standards, > exceptions, notations, etc to describe everything from > gregorian to julian to japanese calendar dates. Also, I think > ISO 8601-2000 Draft has a set of rules and notations that's > even more compact (all though barely human readable at > all) Drop a recurrence rule or pattern in one column, find (or > make) a parser for it based on reverse enginering the > specs, and voila. > > Erik Yowell > [EMAIL PROTECTED] > http://www.shortfusemedia.com > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Archives: http://www.houseoffusion.com/cf_lists/index.cfm?forumid=4 Subscription: http://www.houseoffusion.com/cf_lists/index.cfm?method=subscribe&forumid=4 FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Signup for the Fusion Authority news alert and keep up with the latest news in ColdFusion and related topics. http://www.fusionauthority.com/signup.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
