Class: TracWiki::Page

Inherits:
Object
  • Object
show all
Defined in:
lib/trac-export-wiki.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(page_title, category = nil) ⇒ Page

Returns a new instance of Page.



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# File 'lib/trac-export-wiki.rb', line 153

def initialize(page_title, category = nil)
  self.page_title = page_title
  self.category = category
  self.filename = File.join(*[category, page_title.gsub(/([a-z])([A-Z])/,'\1-\2').split(/\?/).first.downcase + '.html'].compact)
end

Instance Attribute Details

#category ⇒ Object

Returns the value of attribute category.



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# File 'lib/trac-export-wiki.rb', line 151

def category
  @category
end

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/trac-export-wiki.rb', line 151

def config
  @config
end

#filename ⇒ Object

Returns the value of attribute filename.



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# File 'lib/trac-export-wiki.rb', line 151

def filename
  @filename
end

#page_title ⇒ Object

Returns the value of attribute page_title.



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# File 'lib/trac-export-wiki.rb', line 151

def page_title
  @page_title
end

Instance Method Details

#export(config) ⇒ Object 



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# File 'lib/trac-export-wiki.rb', line 159

def export(config)
  self.config = config
  
  # load the wiki page
 doc = Hpricot(read_asset(page_title))

  # search for each element and remove it from the doc
  Exporter::ELEMENTS_TO_REMOVE.each { |e| doc.search(e).remove }

  # set title
  doc.search("html > head").at("title").inner_html = "#{config.wiki_title_prefix} - " + page_title.gsub(/([a-z])([A-Z])/,'\1 \2')

  # add link to css
  updir = "../" * category.split(/\//).size
  css = %Q(<link rel="stylesheet" type="text/css" href="#{updir}style.css" />)
  charset = %Q(<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />)
  doc.search("html > head").append(css + charset)

  # give toc's parent ol a class
  ol = doc.search("html > body > div.wiki-toc > ol").first
  ol.raw_attributes = ol.attributes.to_hash.merge('class' => 'top-most') unless ol.nil?

  # change the toc's li's class names
  doc.search("html > body > div.wiki-toc > ol").search("li.active").set(:class => 'toc') rescue nil

  # create category directory if it does not exist
  FileUtils.mkdir_p(File.dirname(filename)) rescue nil

  # find all images
  doc.search("//img").each do |img|
      imgfile = img.attributes['src']
      short_imgfile = File.basename(imgfile).split(/\?/).first

      # change image attribute in source
      img.raw_attributes = img.attributes.to_hash.merge("src" => File.join('images', short_imgfile))

      # make image directory
      outdir = File.join(File.dirname(filename), 'images')
      FileUtils.mkdir_p(outdir)

      # write image to file
      begin
        uri = URI.parse(config.base_url)
        contents = read_asset(imgfile, "#{uri.scheme}://#{uri.host}")
        File.open(File.join(outdir, short_imgfile), "wb") do |f|
            f.write(contents)
        end
      rescue OpenURI::HTTPError
      end
  end

  # write HTML to file
  File.open(filename, "w") { |f| f.write(doc.to_html) }
  print "wrote #{filename}... "
rescue StandardError => bang
  print "(Oops! " + bang.message + ") "
end