regex thing for the first tag

README.md

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+Comfortable Mexican Sofa (CMS)
+==============================
+
+TODO

app/models/cms_page.rb

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 class CmsPage < ActiveRecord::Base
+
+  has_many :page_contents, :dependent => :destroy
+
 end

app/models/cms_page_content.rb

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+class CmsPageContent < ActiveRecord::Base
+
+  belongs_to :cms_page
+
+  # -- Class Methods --------------------------------------------------------
+  def self.initialize_content_objects(content = '')
+    raise tag_signature.to_s
+  end
+
+end

app/models/cms_page_text_content.rb

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+class CmsPageTextContent < CmsPageContent
+
+  # -- Class Methods --------------------------------------------------------
+
+  # will match tags with this format:
+  #   <cms:page:label:text />
+  #   <cms:page:label />
+  def self.regex_tag_signature(label = nil)
+    label ||= /\w+/
+    /<\s*?cms:page:(#{label}):?(text)?\s*?\/?>/
+  end
+
+end

app/models/cms_snippet.rb

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 class CmsSnippet < ActiveRecord::Base
 
-  # -- Validations ----------------------------------------------------------
+  # -- Scopes ---------------------------------------------------------------
+  default_scope :order => 'label'
 
+  # -- Validations ----------------------------------------------------------
   validates :label,
-    :presence => true,
+    :presence   => true,
     :uniqueness => true,
-    :format => { :with => /^\w[a-z0-9_-]*$/i }
+    :format     => { :with => /^\w[a-z0-9_-]*$/i }
 
   # -- Class Methods --------------------------------------------------------
-
   def self.content_for(label)
     (s = find_by_label(label)) ? s.content : ''
   end
-
-  # -- Scopes ---------------------------------------------------------------
-
-  default_scope :order => 'label'
 
 end