h2vx

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Revision as of 16:13, 19 January 2010 by Tantek (talk | contribs) (→‎issues: add subheads, note HTML5 support issue)
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<entry-title>H2VX</entry-title>

H2VX is a production deployment of the X2V hCard and hCalendar conversion transforms.

It converts hCard contacts and hCalendar events on web pages to .vcf and .ics respectively for use in desktop and other client software applications.

documentation

To convert hCards to vCards, go http://h2vx.com/vcf/ and enter the URL to the hCards.

To convert hCalendar to iCalendar, go http://h2vx.com/ics/ and enter the URL to the hCalendar events.

URLs

Links to H2VX.com to convert a URL (like http://microformats.org/wiki/events ) can be constructed as follows:

You may omit the leading "http://" from the URL to be converted for a briefer more readable URL:

download vCards from hCards
http://h2vx.com/vcf/URL
e.g. http://h2vx.com/vcf/microformats.org/wiki/events
download iCalendar from hCalendar
http://h2vx.com/ics/URL
e.g. http://h2vx.com/ics/microformats.org/wiki/events
subscribe to hCalendar from hCalendar
webcal://h2vx.com/ics/URL
e.g. webcal://h2vx.com/ics/microformats.org/wiki/events
http://h2vx.com/ics/sub/URL for systems which don't support auto-linking of webcal: URLs, e.g. MediaWiki, Twitter.
e.g. http://h2vx.com/ics/sub/microformats.org/wiki/events

user agent strings

H2VX uses two user agent strings, when retrieving hCards and hCalendars respectively:

  • H2VX contacts proxy (http://h2vx.com/vcf/)
  • H2VX events proxy (http://h2vx.com/ics/)

You may see occurrences of these in your web server logs when users of H2VX convert hCards and hCalendar events on your pages.

built

H2VX is built and maintained by Tantek with:

  • X2V XSLTs by Brian Suda
  • PHP get-contact.php get-cal.php originally written by Brian, updated/factored by Tantek with various improvements. to-do: open source these.
  • PHP common.php (and Javascript common.js) by Tantek which incorporate CASSISv0 open source from http://cassisproject.com/
  • XHTML1+CSS+JS front-end design/interface by Tantek (view source of h2vx.com in your browser for more).

feedback

Have feedback on H2VX? Feel free to add to the top of this list and use ~~~~ to sign your name and date your comment. If this grows too big we can move it to h2vx-feedback

  • As a Web page author I find the H2XV site a bit awkward to use -- it's difficult to find the URLs to use in my Web page. As an end-user it fine to have the H2VX bookmarklets in my toolbar, but as a page author I can't be sure everyone has the bookmarklets or Operator installed. Bob Jonkman 00:56, 10 November 2009 (UTC)
  • "Also, a short 'about' page would be worthwhile IMO, especially for adding to the homepage." - Norm on microformats-discuss.
  • ...

issues

Found a problem with H2VX? Please note it here at the top of this list (consider grouping it under an existing subhead or introduce a new subhead if necessary) and use ~~~~ to sign your name and date your comment. If this grows too big we can move it to h2vx-issues

HTML5 support

  • <meta charset=utf-8> isn't recognized so the output is double encoded. Greut 11:12, 4 January 2010 (UTC)
  • new HTML5 elements (such as header, footer, section) are not supported (this is because they are stripped out by PHP Tidy and thus ignored). Tantek 16:13, 19 January 2010 (UTC)
    possible solutions:
    • 1. Wait for a PHP html5lib (being coded by the HTML5 community, but not available/functional yet AFAIK)
    • 2. Add a flag to the H2VX processing URL which says "I'm a crazy XML person and my markup is 100% well formed XML, please don't tidy, please break and fail to process if it's not well formed".
    • in either case, new special HTML5 elements (like time) will require an update to X2V to know to properly handle/parse new semantic attributes (like datetime).

mouse events

  • The "what are microformats?" style descriptions only appear on mouse-over of the trigger terms (those with class="term"). It does not appear at all when keyboard navigation is used, making it somewhat inaccessible. The problem here is that the trigger elements are the ones that should receive focus, but not being links they are not in the tabbing order so do not, hence the helper text never appears for keyboard users. Norm 10:39, 6 November 2009 (UTC)
    • Quick fix: remove visibility:hidden from .term .info. Andr3

page semantics

  • <i class="term"> should be made into <em>'s for semantic reasons. ;) Andr3
    • Note that the <i> element is used deliberately for "instance" of a term - this is an HTML5 semantic, and is more accurate in this instance than "em"phasis. — Tantek 18:29, 11 November 2009 (UTC)


resolved

Resolved issues are moved to this section. If this grows too big we can move it to h2vx-issues-resolved

  • ...
  • 2009-11-11 We were using the Technorati hosted service. Surprised to see it redirected to H2XV, took a minute to realize what was going on. Thanks for picking up the service! Both the hosting provider and the new user agent are blocked by default on our side to prevent scraping. To be more transparent, maybe you could change the UA similar to the old one: from "Technorati contacts proxy (http://technorati.com/contacts/)" to "H2VX contacts proxy (http://h2vx.com/vcf/)" DineMonkey 15:47, 11 November 2009 (UTC)
    • I've updated the user agent strings per your recommendation and documented them above as well. Tantek 18:29, 11 November 2009 (UTC)
      • H2VX contacts proxy (http://h2vx.com/vcf/)
      • H2VX events proxy (http://h2vx.com/ics/)

closed

Once a resolved issue has no further actions (and ideally is verified by the issue reporter), it can be closed and moved to this section. If this grows too big we can move it to h2vx-issues-closed

see also

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