Commit b96c9ba8e64df539e085d8b10982aee102f75af1 to ashchan's meta_on_rails

ashchan / meta_on_rails

Description:	MetaOnRails: a Rails plugin that DRYs up your page meta tags.
Homepage:	http://blog.ashchan.com/archive/2008/06/25/meta-on-rails-plugin-for-meta-tags/
Clone URL:	git://github.com/ashchan/meta_on_rails.git Give this clone URL to anyone. `git clone git://github.com/ashchan/meta_on_rails.git`

finished basic logic [#1 state:resolved]

ashchan (author)

Wed Jun 25 02:10:35 -0700 2008

commit b96c9ba8e64df539e085d8b10982aee102f75af1
tree 13f9ec66b3f7729b6c1d5dd64c041db74cee26ae
parent 6b2e770862e07fc9c930ab718f9e541c416c1fa3

MIT-LICENSE
README
init.rb
lib/meta_on_rails.rb
test/meta_on_rails_test.rb

MIT-LICENSE

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-Copyright (c) 2008 [name of plugin creator]
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+Copyright (c) 2008 James Chan
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 Permission is hereby granted, free of charge, to any person obtaining
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 a copy of this software and associated documentation files (the

README

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 MetaOnRails
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 ===========
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-
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 MetaOnRails DRYs up your page meta tags.
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-todo
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+
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+It is a very simple plugin to help you customize your pages' meta tags a little bit easier.
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+
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+How to Install
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+======
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+./script/plugin install git://github.com/ashchan/meta_on_rails.git
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+
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 Example
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 =======
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+Add the following code to the layout (e.g. app/views/layout/application.html.erb), be sure to put it in the head tag:
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+
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+<head>
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+<%= display_meta(:keywords => "default,keywords", :description => "default description") %>
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+</head>
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+
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+Default meta values can be set. In the above example, these two meta tags will be generated if they're not override on the views:
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-todo
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+<meta name="description" content="default description" />
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+<meta name="keywords" content="default,keywords" />
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+Then add this code to the view to set meta tags on that page:
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+
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+<% set_meta(:keywords => 'my,keyword', :generator => 'a bad <script /> generator') %>
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+
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+The output html will be like this:
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+
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+<meta name="generator" content="a bad  generator" />
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+<meta name="description" content="default description" />
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+<meta name="keywords" content="my,keyword" />
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+
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+
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+=======
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 Copyright (c) 2008 James Chan (ashchan), released under the MIT license

init.rb

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-# Include hook code here
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+ActionView::Base.send :include, MetaOnRails

lib/meta_on_rails.rb

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-# MetaOnRails
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+module MetaOnRails
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+  
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+  def set_meta(meta = {})
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+    @meta = meta
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+  end
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+  
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+  def display_meta(default = {})
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+    @meta ||= {}
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+    #@meta.reverse_merge!(default)
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+    @meta = default.merge(@meta)
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+    @meta.map do |m|
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+      "<meta name=\"#{m[0]}\" content=\"#{normalize(m[1])}\" />"
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+    end.join("\n")
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+  end
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+  
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+  private
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+  def normalize(s)
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+    s.gsub(/<\/?[^>]*>/, '')
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+  end
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+  
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+end

test/meta_on_rails_test.rb

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 require 'test/unit'
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+require File.dirname(__FILE__) + '/../lib/meta_on_rails'
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 class MetaOnRailsTest < Test::Unit::TestCase
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-  # Replace this with your real tests.
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-  def test_this_plugin
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-    flunk
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+  include MetaOnRails
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+  
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+  def test_should_have_default_values
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+    output = display_meta(:keywords => 'default')
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+    assert output.include?("<meta name=\"keywords\" content=\"default\"")
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+  end
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+  
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+  def test_should_strip_html
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+    set_meta(:keywords => '<bong>aword</bong>')
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+    output = display_meta
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+    assert !output.include?("<bong>")
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+    assert output.include?("aword")
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+  end
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+  
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+  def test_should_override_default_values
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+    set_meta(:keywords => 'override')
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+    output = display_meta(:keywords => 'default')
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+    assert output.include?('override')
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   end
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 end

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