Class: BlackCloth

Inherits:
RedCloth
  • Object
show all
Defined in:
lib/bookmaker/blackcloth.rb

Constant Summary collapse

FN_RE = 
/
  (\s+)?    # getting spaces
  %\{       # opening
  (.*?)     # footnote
  \}#       # closing
/x
/
  <
  ((?:https?|ftp):\/\/.*?)
  >
/x
@@syntax_blocks = 
[]

Instance Method Summary collapse

Instance Method Details

#image_size(img) ⇒ Object 



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# File 'lib/bookmaker/blackcloth.rb', line 104

def image_size(img)
  io = IO.popen("php -r '$info = getimagesize(\"images/#{img}\");echo $info[0].'x'.$info[1];'")
  io.read.split('x').map{|n| n.to_i}
end

#inline(text) ⇒ Object

overriding inline method



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# File 'lib/bookmaker/blackcloth.rb', line 110

def inline( text ) 
  @rules += [:inline_textile_fn, :inline_textile_url_link]
  super
end

#inline_textile_fn(text) ⇒ Object

Usage: Writing some text with a footnote %is a footnote



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# File 'lib/bookmaker/blackcloth.rb', line 12

def inline_textile_fn(text)
  text.gsub!( FN_RE )  do |m|
    %(<span class="footnote">#{$2}</span>)
  end
  
  text
end

#inline_textile_url_link(text) ⇒ Object

Usage: <google.com>



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# File 'lib/bookmaker/blackcloth.rb', line 27

def inline_textile_url_link(text)
  text.gsub!( FN_URL_LINK ) do |m|
    %(<a href="#{$1}">#{$1}</a>)
  end
end

#syntax_blocks ⇒ Object 



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# File 'lib/bookmaker/blackcloth.rb', line 82

def syntax_blocks
  @@syntax_blocks
end

#textile_figure(tag, attrs, cite, content) ⇒ Object

Usage: figure(This is the caption). some_image.jpg



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# File 'lib/bookmaker/blackcloth.rb', line 98

def textile_figure(tag, attrs, cite, content)
  m, title = *attrs.match(/class="(.*?)"/)
  width, height = image_size(content)
  %(<p class="figure"><img style="width: #{width}px; height: #{height}px" src="../images/#{content}" alt="#{title}" /><br/><span class="caption">#{title}</span></p>)
end

#textile_note(tag, attrs, cite, content) ⇒ Object

Usage: note. Some text



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# File 'lib/bookmaker/blackcloth.rb', line 93

def textile_note(tag, attrs, cite, content)
  %(<p class="note">#{content}</p>)
end

#textile_pre(*args) ⇒ Object

Usage: pre. Some code



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# File 'lib/bookmaker/blackcloth.rb', line 87

def textile_pre(*args)
  # Should I add the default theme as a class?
  send(:textile_syntax, *args)
end

#textile_syntax(tag, attrs, cite, content) ⇒ Object

Usage: syntax(ruby). Some code

getting from line 100 to 200 of file.rb syntax(ruby 100,200). file.rb

getting block ‘sample’ from file.rb syntax(ruby#sample). file.rb

to create a block: #begin: sample

some code

#end: sample



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# File 'lib/bookmaker/blackcloth.rb', line 46

def textile_syntax(tag, attrs, cite, content)
  # get syntax
  m, syntax = *attrs.match(/class="(.*?)([# ].*?)?"/)
  syntax = 'plain_text' if tag == "pre"
  
  # set source
  source_file = content
  
  # get block name
  m, block_name = *attrs.match(/id="(.*?)"/ms)
  
  # get line interval
  m, from_line, to_line = *attrs.match(/class=".*? ([0-9]+),([0-9]+)"/)
  
  # code = Bookmaker::Markup.syntax({
  #   :code => content,
  #   :syntax => syntax,
  #   :source_file => source_file,
  #   :block_name => block_name,
  #   :from_line => from_line,
  #   :to_line => to_line
  # })
  
  content = Bookmaker::Markup.content_for({
    :code => content,
    :syntax => syntax,
    :source_file => source_file,
    :block_name => block_name,
    :from_line => from_line,
    :to_line => to_line
  })
  @@syntax_blocks << [syntax, content]
  position = @@syntax_blocks.size - 1
  %(@syntax:#{position})
end

#to_html(*rules) ⇒ Object

overriding to_html method



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# File 'lib/bookmaker/blackcloth.rb', line 116

def to_html( *rules )
    rules = DEFAULT_RULES if rules.empty?
    # make our working copy
    text = self.dup
    
    @urlrefs = {}
    @shelf = []
    textile_rules = [:refs_textile, :block_textile_table, :block_textile_lists,
                     :block_textile_prefix, :inline_textile_image, :inline_textile_link,
                     :inline_textile_code, :inline_textile_span, :glyphs_textile]
    markdown_rules = [:refs_markdown, :block_markdown_setext, :block_markdown_atx, :block_markdown_rule,
                      :block_markdown_bq, :block_markdown_lists, 
                      :inline_markdown_reflink, :inline_markdown_link]
    @rules = rules.collect do |rule|
        case rule
        when :markdown
            markdown_rules
        when :textile
            textile_rules
        else
            rule
        end
    end.flatten

    # standard clean up
    incoming_entities text 
    clean_white_space text 

    # start processor
    @pre_list = []
    rip_offtags text
    no_textile text
    hard_break text 
    unless @lite_mode
        refs text
        blocks text
    end
    inline text
    smooth_offtags text

    retrieve text

    text.gsub!( /<\/?notextile>/, '' )
    text.gsub!( /x%x%/, '&#38;' )
    clean_html text if filter_html
    text.strip!
    text

end