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From: Carsten Dominik <carsten.dominik@gmail.com>
To: Carsten Dominik <carsten.dominik@gmail.com>
Cc: news1142@Karl-Voit.at, nicholas.dokos@hp.com, emacs-orgmode@gnu.org
Subject: Re: [bug] org-agenda-write does not handle date stamps without day of week
Date: Tue, 20 Mar 2012 06:54:33 +0100	[thread overview]
Message-ID: <90243EDA-E2F2-4A70-B446-CB2FFD4AA1CB@gmail.com> (raw)
In-Reply-To: <30E4D375-690C-4798-B341-51268082B826@gmail.com>

I have just pushed the new version of this regexp into master.

Karl, let me know if it fixes the issues you where having
with writing agendas.

- Carsten

On 19.3.2012, at 10:12, Carsten Dominik wrote:

> 
> On 17.3.2012, at 07:45, Nick Dokos wrote:
> 
>> Karl Voit <devnull@Karl-Voit.at> wrote:
>> 
>>> * Nick Dokos <nicholas.dokos@hp.com> wrote:
>>>> Karl Voit <devnull@Karl-Voit.at> wrote:
>>>> 
>>>> For me, it was a "no time to work on org - stash it"...
>>> 
>>> OK. I just wanted to make sure that it *is* on someone's todo list
>>> :-)
>>> 
>>>>> * Karl Voit <devnull@Karl-Voit.at> wrote:
>>>>>> 
>>>>>> * <2012-03-05 08:00-09:00> Wrong: ends up as full day event
>>>> 
>>>> org-agenda-write calls org-export-icalendar which calls org-print-icalendar-entries
>>>> which loops over all the entries and parses them, decomposing them into timestamps.
>>>> Each timestamp is then passed to org-parse-time-string. It's this one that cannot
>>>> handle non-standard formats: it uses a regexp and assumes that all the matched parts
>>>> are going to be in fixed places:
>>>> 
>>>> As to how to fix it, there are several possibilities:
>>>> 
>>>> 1. fix your scripts that produce time stamps to include day-of-week.
>>> 
>>> Sorry, deriving DOW from an arbitrary timestamps from arbitrary data
>>> sources is either pretty time consuming (calendar calculations) or
>>> simply hard to calculate.
>>> 
>>> Outside Org-mode, DOW is seldom part of time-stamp data :-(
>>> 
>>>> 2. change the callers of org-parse-time-string to make sure that DOW is included.
>>>> There are roughly three dozen callers, so 2. is possible but a pain.
>>> 
>>> Ack.
>>> 
>>>> 3. change just one caller: org-print-icalendar-entries to make sure that DOW is included.
>>>> 3. is simple but ugly as sin, 
>>> 
>>> Ouch, ack :-)
>>> 
>>>> 4. change org-parse-time-string to handle a missing DOW.
>>>> 4. is the best way to handle it within org.
>>> 
>>> Full ack.
>>> 
>>>> I vote for 1. where *you* have to do all the work ;-)
>>> 
>>> YMMD :-)
>>> 
>>> If my brain would be compatible to ELISP, I'd send a patch.
>>> Promised.
>>> 
>>> But I'll take my chance and wait for someone else (you?)
>>> implementing 4. to resolve this issue for everybody. I really
>>> appreciate every second you guys invest in maintaining Org-mode!
>>> 
>> 
>> I don't know about you, but whenever I engage in hand-to-hand combat
>> with a complicated regexp, I come out bruised, muddied and a lot worse
>> for wear. In any case, I'm attaching an org file with my investigations.
>> It contains a description and a code block for testing.
>> 
>> I hope that the attachment will come through unscathed: it contains
>> regexps, and munging a regexp that looks like hen scratchings in the
>> first place through uncooperative mailers is not something to be
>> relished.
>> 
>> BTW, I'm not advocating a change: I'll leave it to Karl to do that if he
>> really wants to and to the maintainers to decide whether it's worth
>> doing. But it can be done (more or less). And maybe somebody will come
>> up with a better way than the proof-of-concept that I'm attaching here.
> 
> Hi Nick and Karl,
> 
> since we did make a change to Org a while ago to allow date stamps
> without the name of the day, I think it is only consequent to also do
> it for this case.  Must have slipped our attention back then.
> The only thing we must ensure is that this regexp matches fast
> as it is used a lot.
> 
> Nick's proposal works, except for the fact that is also matches when
> the time is directly attached to day name.  Maybe it is cleaner to
> not match in this case.
> 
> If we are going to make the day name optional, then it is better to
> include matching of the whitespace after the date into the day-name
> part of the regexp.
> 
> I am attaching Nick's file again, with a third proposal for an
> updated regexp.
> 
> As far as speed is concerned, this regexp will, if there is name
> and time, match directly and straight.  If the date name is
> missing, it will notice on the first digit belonging to
> the time and switch without backtracking (well, minimal
> backtracking when there are multiple spaces) to the regexp
> section for the time of day.  Rematching the spaces after the
> date will be the only overhead.
> 
> Cheers
> 
> - Carsten
> 
> <reproducer.org>
> 
> 
> 
>> 
>> Nick
>> 
>> PS. BTW, if you look at the attachment, it helps if you have a wide window,
>>   something like 165 characters wide.
>> 
>> <reproducer.org>
> 

  reply	other threads:[~2012-03-20  5:54 UTC|newest]

Thread overview: 157+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-07 15:55 Referencing elemts of a table Karl Voit
2011-06-07 17:22 ` Michael Brand
2011-06-08  0:05   ` kinouchou
2011-06-08  3:54     ` Jambunathan K
2011-06-08  4:25     ` Nick Dokos
2011-06-08 12:49   ` Karl Voit
2011-06-08 13:47     ` Michael Brand
     [not found]     ` <devnull@Karl-Voit.at>
2011-06-08 13:49       ` Nick Dokos
2011-06-24 14:32       ` org-time-stamp loses repeater interval Karl Voit
2011-06-24 16:08         ` Bernt Hansen
2011-06-24 16:01       ` Nick Dokos
2011-06-24 17:40         ` Michael Brand
2011-06-24 18:00           ` Nick Dokos
2011-06-26 11:30           ` Bug: " Karl Voit
2011-06-27 16:23             ` Bastien
2011-06-28 13:40               ` Karl Voit
2011-06-28 14:28                 ` Bastien
2011-06-28 15:04                   ` Nick Dokos
2011-06-28 15:13                   ` Karl Voit
2011-06-28 15:33                     ` Nick Dokos
2011-06-28 16:03                       ` Karl Voit
2011-06-28 15:48                     ` Bastien
2011-06-28 16:05                 ` Karl Voit
2011-06-28 17:27                   ` Bastien
2011-06-28 18:43                     ` Karl Voit
2011-06-28 23:02                       ` Bastien
2011-06-28 23:10                         ` Nick Dokos
2011-06-28 23:58                           ` Bastien
2011-06-29  1:44                             ` Nick Dokos
2011-06-29  7:28                               ` Sebastien Vauban
2011-06-29  9:30                                 ` Bastien
2011-06-29 14:34                                 ` Nick Dokos
2011-07-02 13:29                                   ` Bastien
2011-06-29 12:47                               ` Karl Voit
2011-07-02 13:26                                 ` Bastien
2011-07-02 13:26                               ` Bastien
2011-09-30 15:31       ` How to debug "Specified time is not representable" Nick Dokos
2011-10-18 17:26       ` Recurring events with exceptions Nick Dokos
2011-10-18 20:38         ` Karl Voit
2012-03-16 17:52       ` [bug] org-agenda-write does not handle date stamps without day of week Nick Dokos
2012-03-16 18:53         ` Karl Voit
2012-03-17  6:45       ` Nick Dokos
2012-03-19  9:12         ` Carsten Dominik
2012-03-20  5:54           ` Carsten Dominik [this message]
2012-03-20 12:26             ` Karl Voit
2012-03-20 13:47               ` Carsten Dominik
2012-04-10 17:38           ` Bastien
2012-04-10 17:44             ` Nick Dokos
2012-04-10 18:03               ` Bastien
2012-03-20 13:39       ` Nick Dokos
2012-03-21 16:32         ` Karl Voit
2012-03-21 16:57           ` Carsten Dominik
2012-03-26 16:10       ` Plotting (with gnuplot) using dates timestamps Nick Dokos
2012-08-13 22:27       ` table: referencing row of other table Nick Dokos
2012-08-13 22:44         ` Karl Voit
2012-08-19 12:32       ` What HW/SW issues influence org/Emacs performance? Nick Dokos
2012-08-19 13:04         ` Karl Voit
2012-08-20 17:23       ` Replacement for org-make-link Nick Dokos
2012-08-20 17:54         ` Bastien
2012-08-20 19:29           ` Karl Voit
2012-08-27 16:09       ` comma as decimal point: bug? Nick Dokos
2012-08-27 16:17         ` Karl Voit
2013-01-18 14:07       ` Wish: switch active time-stamps to inactive when CANCELED Nick Dokos
2013-01-18 21:24         ` Karl Voit
2013-01-18 21:59       ` Nick Dokos
2013-01-20 16:05         ` Karl Voit
2013-01-20 18:16           ` Viktor Rosenfeld
2013-01-21 10:18         ` Memnon Anon
2013-01-21 11:39           ` OT: Learning ELISP (was: Wish: switch active time-stamps to inactive when CANCELED) Karl Voit
2013-01-21 21:56             ` OT: Learning ELISP Jonathan Arkell
2013-01-23 14:40               ` Using Org/babel for Emacs config files (was: OT: Learning ELISP) Karl Voit
2013-01-23 15:52                 ` Using Org/babel for Emacs config files David Bjergaard
2013-01-23 22:06                 ` Using Org/babel for Emacs config files (was: OT: Learning ELISP) Darlan Cavalcante Moreira
2013-01-23 22:32                   ` Kyle Machulis
2013-01-24 13:27                     ` [OT] open url in emacs was: Re: Using Org/babel for Emacs config files Andreas Leha
2013-01-24 13:29                       ` Bastien
2013-01-24 14:13                         ` Andreas Leha
2013-01-24 15:19                           ` Bastien
2013-01-24 19:48                             ` Andreas Leha
2013-01-25  4:48                             ` Jambunathan K
2013-01-26  8:34                               ` Andreas Leha
2013-01-26 13:05                                 ` Jambunathan K
2013-01-28  9:41                                   ` Andreas Leha
2013-01-24 15:18                       ` Daimrod
2013-01-24  1:04                 ` Thorsten Jolitz
2013-01-24  1:33                   ` Thomas S. Dye
2013-01-24  8:42                     ` Thorsten Jolitz
2013-01-24 11:36                   ` full outline functionality in .el files: how? (was: Re: Using Org/babel for Emacs config files) Gregor Zattler
2013-01-24 12:48                     ` full outline functionality in .el files: how? Bastien
2013-01-24 13:40                       ` Thorsten Jolitz
2013-01-24 13:46                         ` Bastien
2013-01-24 14:17                           ` Thorsten Jolitz
2013-01-24 15:57                             ` Bastien
2013-01-24 13:36                     ` Thorsten Jolitz
2013-01-25 18:08                     ` Memnon Anon
  -- strict thread matches above, loose matches on Subject: below --
2011-09-30 14:32 How to debug "Specified time is not representable" Karl Voit
2011-09-30 14:52 ` Jambunathan K
2011-10-03 11:50   ` Karl Voit
2011-10-04  7:40     ` Jambunathan K
2011-10-04 11:42       ` Karl Voit
2011-10-04 12:13         ` Carsten Dominik
2011-10-04 11:41     ` Carsten Dominik
2011-10-04 11:47       ` Karl Voit
2011-10-18 16:52 Recurring events with exceptions Karl Voit
2011-10-18 17:04 ` Brian Wightman
2011-10-18 17:35   ` Karl Voit
2011-10-18 18:15   ` Skip Collins
2011-10-18 18:46     ` Tassilo Horn
2011-10-18 19:57     ` Eric S Fraga
2011-10-19  0:34       ` Skip Collins
2011-10-19 10:02         ` Eric S Fraga
2011-10-21 21:48           ` Skip Collins
2011-10-22  8:38             ` Sync with Outlook/Exchange (was: Recurring events with exceptions) Karl Voit
2011-10-24  7:13             ` Recurring events with exceptions Eric S Fraga
2012-03-05 14:44 [bug] org-agenda-write does not handle date stamps without day of week Karl Voit
2012-03-16 16:14 ` Karl Voit
2012-03-17 14:04 ` Simon Thum
2012-03-19  9:13   ` Carsten Dominik
2012-03-26 13:37 Plotting (with gnuplot) using dates timestamps Alan Schmitt
2012-03-26 14:00 ` Allen S. Rout
2012-03-26 14:06 ` Michael Brand
2012-03-26 14:07 ` Steven Buczkowski
     [not found]   ` <steven.buczkowski@gmail.com>
2012-03-26 14:37     ` Nick Dokos
2012-03-26 14:59       ` Alan Schmitt
2012-03-26 15:48         ` Karl Voit
2012-03-26 17:02           ` Alan Schmitt
2012-03-26 17:06             ` Karl Voit
2012-03-26 17:11               ` Ian Barton
2012-03-27  7:59                 ` Karl Voit
2012-03-30  1:09 ` Mueen Nawaz
2012-08-13 21:50 table: referencing row of other table Karl Voit
2012-08-19 10:56 What HW/SW issues influence org/Emacs performance? Karl Voit
2012-08-19 11:23 ` Achim Gratz
2012-08-19 16:45 ` Luis Anaya
2012-08-20 17:03 Replacement for org-make-link Karl Voit
2012-08-26 13:54 comma as decimal point: bug? Rainer Thiel
2012-08-26 20:57 ` Nicolas Goaziou
2012-08-26 21:05   ` Bastien
2012-08-26 21:08     ` Nicolas Goaziou
2012-08-27 16:19       ` Bastien
2012-08-27 15:44   ` Karl Voit
2012-08-26 20:59 ` Bastien
2012-08-27  9:08   ` Rainer Thiel
2012-08-27 12:30     ` AW
2013-01-18 10:34 Wish: switch active time-stamps to inactive when CANCELED Karl Voit
2013-01-18 11:04 ` Daimrod
2013-01-18 11:08   ` Karl Voit
2013-01-18 11:24     ` Daimrod
2013-01-18 21:22       ` Karl Voit
2013-01-18 21:59         ` Viktor Rosenfeld
2013-01-18 22:50           ` Daimrod
2013-01-20 15:39           ` Karl Voit
2013-01-23 13:18           ` Bastien
2013-01-23 17:21             ` Viktor Rosenfeld
2013-01-24 14:11               ` Bastien
2013-01-18 23:10 ` Samuel Wales
2013-01-26 11:06 ` Bastien

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