Class: DashcodeConverter::Project

Inherits:
Object
  • Object
show all
Defined in:
lib/dashcode-converter/project.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(project_bundle, output_folder) ⇒ Project

Returns a new instance of Project.



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# File 'lib/dashcode-converter/project.rb', line 10

def initialize(project_bundle, output_folder)
  @project_bundle= File.expand_path(project_bundle)
  @name= File.basename(@project_bundle, ".*")
  @namespace= @name
  @output_folder= File.expand_path(File.join(output_folder, "#{@name}.#{BUNDLE_EXTENSION}"))
  @parts_spec_path= File.join(@project_bundle, "project", "safari", "Parts", "setup.js")
  @datasources_spec_path= File.join(@project_bundle, "project", "Parts", "datasources.js")
  @css_path= File.join(@project_bundle, "project", "safari", "main.css")
  @markup_path= File.join(@project_bundle, "project", "index.html")
  @images_folder= File.join(@output_folder, "images")
  FileUtils.mkdir_p(@output_folder)
end

Instance Attribute Details

#namespace ⇒ Object

Returns the value of attribute namespace.



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# File 'lib/dashcode-converter/project.rb', line 8

def namespace
  @namespace
end

Instance Method Details

#controller ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 52

def controller
  return @controller if @controller
  @controller= Controller.new(@name, @namespace)
end

#convert ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 120

def convert
  fixup_html
  
  FileUtils.mkdir_p(@output_folder)
  FileUtils.mkdir_p(@images_folder)
  
  Dir.chdir(@output_folder) do
    File.open("#{@name.capitalize}Controller.js", "w") { |controller_file|
      controller_file << controller.declaration
    }
    File.open("#{@name}.js", "w") { |nib_file|
      nib_file << nib.declaration
    }
    File.open("#{@name}.css", "w") { |css_file|
      css_file << css
    }
    File.open("#{@name}.html", "w") { |html_file|
      html_file << doc.css("body > *:first-child")[0].serialize
    }
  end
end

#css ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 66

def css
  text= File.read(@css_path)
  dirname= File.dirname(@css_path)
  text.gsub!(CSS_IMAGE_URL_REGEX) { |match|
    image_file= File.join(dirname, $1)

    if (!File.exists?(image_file))
      match
    else
      new_image_file= File.join(@images_folder, File.basename(image_file))
      FileUtils.mkdir_p(File.dirname(new_image_file))
      FileUtils.cp image_file, new_image_file
      "url(\"#{relative_path(new_image_file)}\")"
    end
  }
  text
end

#doc ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 45

def doc
  return @doc if @doc
  
  html= File.read(@markup_path)
  @doc= Nokogiri::HTML(html)
end

#fixup_html ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 84

def fixup_html
  base= doc.css("base")
  base= base ? base.attribute("href") : nil
  
  content= doc.css("body > *:first-child")[0]
  content.traverse { |node|
    next unless node.attributes
    node.attributes.each { |attr, value|
      if 0==attr.index("apple-")
        node.remove_attribute(attr)
      end
    }
  }
  
  dirname= File.dirname(@markup_path)
  dirname= File.join(dirname, base) if base
  
  content.css("[src]").each { |node|
    image_file= File.join(dirname, node.attribute('src'))
    new_image_file= File.join(@images_folder, File.basename(image_file))
    FileUtils.mkdir_p(File.dirname(new_image_file))
    FileUtils.cp image_file, new_image_file
    node["src"]= relative_path(new_image_file)
  }
  
  nib.views.each { |view|
    # Use a copy of the view's items, because the iterator isn't stable if
    # items are removed while iterating.
    items= view.items.clone
    items.each { |item|
      html= doc.css(item.name)[0]
      item.fixup_html(html)
    }
  }
end

#nib ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 57

def nib
  return @nib if @nib
  
  @nib= Nib::Nib.new(@name, controller)
  @nib.add_view_from_path(@parts_spec_path)
  @nib.add_datasources_from_path(@datasources_spec_path)
  @nib
end

#path_relative_to_folder(path, folder) ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 23

def path_relative_to_folder(path, folder)
  path= File.expand_path(path)
  outputFolder= File.expand_path(folder).to_s
  
  # Remove leading slash and split into parts
  file_parts= path.slice(1..-1).split('/');
  output_parts= outputFolder.slice(1..-1).split('/');

  common_prefix_length= 0

  file_parts.each_index { |i|
    common_prefix_length= i
    break if file_parts[i]!=output_parts[i]
  }

  return '../'*(output_parts.length-common_prefix_length) + file_parts[common_prefix_length..-1].join('/')
end

#relative_path(path) ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 41

def relative_path(path)
  path_relative_to_folder(path, @output_folder)
end