I'm using erb as a templating package to generate html files -- not in
Rails.
Question -- is there a way to use the action_view package to augment the
templates? For example -- link_to( "clickable text", href_path) is in
action_view/helpers/url_helper.
But I cannot set up the requires to load that. I've tried ...
require 'erb'
require 'action_view/helpers/url_helper'
... and many other permutations. I've looked at code examples online,
worked by analogy, etc. The requires all bomb. Others that look
similar, like -- require 'active_support/core_ext/hash' -- seem to work
fine.
Are there other prerequisites? Am I missing something fundamental? Is
this documented somewhere?
Thanks. --David
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This question would be better asked on a Rails mailing list.
I've always been under the impression that the url helpers were very
specific to controllers, i.e. didn't make any sense outside of a
controller action, but I could be mistaken and the real Rails experts
will hang out on Rails lists.
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Brian Candler wrote:
This question would be better asked on a Rails mailing list.
I've always been under the impression that the url helpers were very
specific to controllers, i.e. didn't make any sense outside of a
controller action, but I could be mistaken and the real Rails experts
will hang out on Rails lists.
OK, makes sense, except...
Your response gave me a clue to get through the requires, namely prepend
-- require 'action_controller'. But then I've still gotta deal with all
the controller infrastructure that gets pulled in, so I think your
impression is correct.
Bottom line, it isn't worth it. Either I'll roll my own small package,
or...
Any suggestions for a lightweight html generation package that can be
used inside ERb templates, outside of Rails.
Thanks. --David.
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David Lewis wrote:
OK, makes sense, except...
Your response gave me a clue to get through the requires, namely prepend
-- require 'action_controller'. But then I've still gotta deal with all
the controller infrastructure that gets pulled in, so I think your
impression is correct.
If you think about it: url_for relies very heavily on the action
controller routing infrastructure. For example,
url_for(:controller=>:foo, :action=>:new, :id=>123)
might map to /widget/new/123 or /widget/123/new depending on what map
lines existed in the routes.rb file (or could not be mapped at all if
there is no matching route). Furthermore, if you don't provide
:controller or :action then these default to those in the current
request, but standalone template generation doesn't have a concept of
"current request".
The following may be relevant to you:
It warns that many URL-related helper methods may not make sense outside
of actionpack's view layer.
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