Class: DOMCompiler

Inherits:
Object
  • Object
show all
Includes:
SqweezeUtils
Defined in:
lib/domCompiler.rb

Overview

Pseudo-abstract inherited by all classes doing dom manipulations

Direct Known Subclasses

AssetLinker, CssDomCompiler, JsDomCompiler

Constant Summary

Constants included from SqweezeUtils

SqweezeUtils::EMBED_MIME_TYPES

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from SqweezeUtils

#ansi_bold, #ansi_green, #ansi_nocolour, #ansi_red, #ansi_yellow, #byteweight, #compression_percentage, #encoded_contents, #find_file_in_targetdir, #mime_type, #notify, #remap_filepath, #write_file

Constructor Details

#initialize ⇒ DOMCompiler

Returns a new instance of DOMCompiler.



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# File 'lib/domCompiler.rb', line 6

def initialize
   #   @dom_extnames=['.html','.svg']
   @cm=ConfManager.instance
   #if @cm.link_assets_to and not @cm.link_assets_to.empty? 
   @dom_documents=@cm.get_conf(:dom_documents).to_a
end

Instance Attribute Details

#dom_documents ⇒ Object (readonly)

Returns the value of attribute dom_documents.



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# File 'lib/domCompiler.rb', line 4

def dom_documents
  @dom_documents
end

Instance Method Details

#css_cdata(text, callback) ⇒ Object

Wraps a string into CDATA escaped in order to be embedded into a <style> element.

text

a text string

callback

an instance method used to process the string (normally compile).



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# File 'lib/domCompiler.rb', line 47

def css_cdata(text,callback)
   ["/* <![CDATA[ */", self.send(callback,text), "/* ]]> */\n"].join("\n")
end

#get_resource(path_or_url) ⇒ Object

Retrieves a resource, being this either a URL or a file.



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# File 'lib/domCompiler.rb', line 13

def get_resource(path_or_url)
  f=open(remap_filepath(path_or_url))
  (f.is_a? File)? f.read : f 
end

#iterate_over(selector) ⇒ Object

Iterates over a DOM element and allows to apply a custom block over it.



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# File 'lib/domCompiler.rb', line 19

def iterate_over(selector)  
 @dom_documents.each do |path|
  doc=Hpricot(open(path))
  if doc
    doc.search(selector).each do |element|
      
    #$log.debug..
    yield(element, doc)
    # save document 
    #write_file(doc.innerHTML, [@cm.target_dir, File.basename(path) ].join('/') )
    write_file(doc.innerHTML, path )
  end
    else
    notify("DOMCompiler cannot parse #{path}",:error)  
  end
 end
end

#js_cdata(text, callback) ⇒ Object

Wraps a string into CDATA escaped in order to be embedded into a <script> element.

text

a text string

callback

an instance method used to process the string (normally compile).



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# File 'lib/domCompiler.rb', line 40

def js_cdata(text,callback)
   ["\n<!--//--><![CDATA[//><!--", self.send(callback,text), "//--><!]]>\n"].join("\n")
end