iCalendar [.ics file] Open Source Lib for LiveCode

Alex Tweedly alex at tweedly.net
Sat Aug 15 03:55:44 EDT 2015


Yes, vObjectLib is great, has many functions that help with reading and 
correctly writing .ics files.
I wish I had remembered vObjectLib and based my library on top of it :-(

(btw - it is still publicly available at http://fon.nu/vobjectlib 
<http://www.super-resume.com/Index$SetST.jtp?p=1>unless there was a 
later version anywhere else)

However, vObjectLib has very little to help with correctly interpreting 
.ics files - so if you need to deal with
  - multiple time zones
  - the variety of ways that time zone settings or time zone info can be 
represented
  - recurring events
  - multi-day events (even from 11pm until 2am counts as multi-day)
  - lots of other oddities
then you have to do that yourself.

-- Alex.



On 15/08/2015 03:36, Brahmanathaswami wrote:
> Andre had some amazing libs for this
>
> it was not iCal specific but broader  "vObjectLib" he called it...
>
> with that you could roll your own functions easily for iCal..
> I use to use it a lot and plan to use it again in a future mobile app.
>
> snippets from my old code
>
>    # Create a new entry
>       put tDate into tEntrydate
>       put  GetvObjectPropertyValue(tEvent, "Summary") into tSummary
>       put  GetvObjectPropertyValue(tEvent, "Description") into 
> tRawDescription
>
>       put  crunchDescription(tRawDescription) into tDescription
>
>     else
>     # date has not changed so we just pile up the events we want
>              put ", " & GetvObjectPropertyValue(tEvent, "Summary") 
> after tExtraEvents
>         next repeat
>
>
> If anyone is interested I can ask him if I can release it...
> it was really robust and pretty bug free...the stack script has over 
> 250 vCard functions, including a lot of iCal stuff.
>
> still works... .ics format has not changed much for years.
>
>
>
>
> Swasti Astu, Be Well!
> Brahmanathaswami
>
> Kauai's Hindu Monastery
> www.HimalayanAcademy.com
>
>
>
> Scott Rossi wrote:
>> Hi Todd:
>>
>> There have been projects involving ICS on the mail list before. Here's
>> one:
>> http://runtime-revolution.278305.n4.nabble.com/pre-ANN-ICS-library-td467155 
>>
>> 1.html
>>
>>
>> Regards,
>>
>> Scott Rossi
>> Creative Director
>> Tactile Media, UX/UI Design
>>
>>
>>
>>
>> On 8/14/15, 10:45 AM, "Todd Fabacher"<tfabacher at gmail.com>  wrote:
>>
>>> Over in the Create It with LiveCode Class we are working on the 
>>> iCalendar
>>> App for the iPad, and we have a request to create an open source 
>>> project
>>> to
>>> read and write to the iCalendar universal calendar file format 
>>> [.ics]. It
>>> is used by several email and calendar programs, including Microsoft
>>> Outlook, Google Calendar, and Apple iCalendar; enabling users to 
>>> publish
>>> and share calendar information on the Web and over email; often used 
>>> for
>>> sending meeting requests to other users, who can import the events into
>>> their own calendars. Here are the specs:
>>>
>>> https://en.wikipedia.org/wiki/ICalendar
>>> https://www.ietf.org/rfc/rfc2445.txt
>>>
>>> If you are interested and/or if you are wish in getting involved please
>>> let
>>> me know on the forum topic:
>>>
>>> http://forums.livecode.com/viewtopic.php?f=8&t=25062
>>>
>>> Thanks,
>>>
>>> Todd Fabacher
>>> _______________________________________________
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>>> use-livecode at lists.runrev.com
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>>
>>
>>
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