From: Brian Candler <b.candler@...>
Date: 2009-03-24T19:40:23+09:00
Subject: Re: tagz-5.0.0

Ara Howard wrote:
>    tagz.rb is generates html, xml, or any sgml variant like a small
> ninja
>    running across the backs of a herd of giraffes swatting of heads
> like a
>    mark-up weedwacker.

Looks interesting.

Aside: people looking at this might also be interested in HAML. Several 
of your examples look very similar to how I use HAML with Sinatra.

>    in a helper
> 
>      def list_of_users
>        ul_(:class => 'users'){
>          @users.each{|user| li_{ user }}
>        }
>      end

    def list_of_users
      haml :_list_of_users
    end

    ...
    @@ _list_of_users
    %ul{:class=>'users'}
      - @users.each do |user|
        %li&= user

Alternatively it can be done inline:

    def list_of_users
      haml <<HAML
  %ul{:class=>'users'}
    - @users.each do |user|
      %li&= user
  HAML
    end

>    in a view
> 
>      <%=
>        table_{
>          rows.each do |row|
>            tr_{
>              row.each do |cell|
>                td_{ cell }
>              end
>            }
>          end
>        }
>      %>

    %table
      - rows.each do |row|
        %tr
          - row.each do |cell|
            %td&= cell

>    in a controller
> 
>      def ajax_responder
>        text =
>          tagz{
>            table_{
>              rows.each do |row|
>                tr_{
>                  row.each do |cell|
>                    td_{ cell }
>                  end
>                }
>              end
>            }
>          }
> 
>        render :text => text
>      end

     def ajax_responder
       haml :_ajax_table
     end

     ...
     @@ _ajax_table
     %table
       - rows.each do |row|
         %tr
           - row.each do |cell|
             %td&= cell

I can see that tagz works particularly well where you want to generate 
HTML snippets directly inline with your code. The inline form of HAML is 
a bit icky because it needs to align with the left-hand edge. You could 
fix this with a helper, but I prefer partials because they are easily 
precompiled and cached.

Regards,

Brian.
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