Plugins - pluralization for gettext - Agile Web Development

Plugins - pluralization for gettext

PluralizeForGettext

=============

This plugin inspects a single string to get pluralization with substitution. The reason I use a single string is to keep it recognizable for gettext or similar i12n plugins.

Although I created this plugin for gettext, it can be used whenever you like. If you’re not using gettext, _("string").pluralize_for becomes "string".pluralize_for… Simple enough…

Please visit http://infx.nl for more information and updates

Examples

A bit better looking:

  <%=_('No posts ~~ Only one post ~~ You have {$N} posts!').pluralize_for(Post.count) %>

Clearer for the translator:

  <%=_('~~$N==0: No posts ~~$N==1: Only one post ~~else: You have {$N} posts').pluralize_for(Post.count)%>

Note: The translator can change the logic for this, for languages with weird pluralization rules. ;) Caution: It’s being eval’ed, so always check language files (or ruby code) for any Ruby injections.

Substituting more variables

Why not use the default sprintf-like function from rails?

  <%_('You have %d posts, view %s') % [ Post.count, link_to(_('more'), view_more_url)%>

You’d get multiple entries in you .po file, and just ‘more’ can’t be translated differently according to the context.

More advanced, for entering links

  <%=_('No posts, create one by clicking {1:here} ~~ Only one post ~~ You have {$N} posts ~~$N>6: You have {$N} posts, view {2:more}').pluralize_for(Post.count) do |i|
    i[1] = link_to(i[1], create_post_url) if i[1]
    i[2] = link_to(i[2], view_more_url) if i[2]
  %>

In the .po file:

  #: app/controllers/some_controller.rb:102
  msgid "No posts, create one by clicking {1:here} ~~ Only one post ~~ You have {$N} posts ~$N>6~ You have {$N} posts, view {2:more}"
  msgstr "Geen artikelen, {1:plaats een artikel} ~~ Slechts een artikel ~~ Je hebt {$N} artikelen ~$N>6~ Je hebt {$N} artikelen ({2:bekijk meer...})"

The numbers in {1:foo} are the keys for the array you’re given. You can adjust it anyway you like.

Simple pluralizations

Perhaps you just want to specify a singular and plural for one word in the entire sentence:

  <%=_('You have {$N} {post|posts}').pluralize_for(Post.count)%>

English is simpler than many other languages, so the translator could change it into the more elaborate version:

  #: app/controllers/some_controller.rb:102
  msgid "You have {$N} {post|posts}"
  msgstr "~~$N==0: Helemaal geen artikelen ~~$N==1: U heeft een artikel ~~$N>1: U heeft {$N} artikelen"