From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Thu, 17 Nov 2005 21:44:05 GMT
Subject: Re: Teach "approxidate" about weekday syntax
Message-ID: <Pine.LNX.4.63.0511172242390.18285@wbgn013.biozentrum.uni-wuerzburg.de>
In-Reply-To: <Pine.LNX.4.64.0511171622450.14287@localhost.localdomain>

Hi,

On Thu, 17 Nov 2005, Nicolas Pitre wrote:

> On Thu, 17 Nov 2005, Linus Torvalds wrote:
> 
> > NOTE! The parsing is strictly sequential, so if you do
> > 
> > 	"one day before last thursday"
> > 
> > it will _not_ do what you think it does. It will take the current time, 
> > subtract one day, and then go back to the thursday before that.
> 
> Maybe if you applied the different time units in decreasing size that 
> would do the trick?  e.g. months have precedence over weeks, weeks over 
> weekdays, weekdays over days, etc.

Or even better: make it relative until you find an absolute reference. 
I.e. "one day" will be 1 * 86400, and if you then parse "before", it
will get negative, then "last thursday" will be the absolute reference.

'f course, "one day before last thursday in september" will be a PITA.

Ciao,
Dscho