Module: Slideshow::SlideFilter

Included in:
Gen
Defined in:
lib/slideshow/filters/slide_filter.rb

Instance Method Summary collapse

Instance Method Details

#add_slide_directive_before_div_h1(content) ⇒ Object 



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# File 'lib/slideshow/filters/slide_filter.rb', line 93

def add_slide_directive_before_div_h1( content )

  slide_count = 0

  content.gsub!( /<div[^>]*>\s*<h1/ ) do |match|
    slide_count += 1
    "\n<!-- _S9SLIDE_ -->\n#{Regexp.last_match(0)}" 
  end

  puts "  Adding #{slide_count} slide breaks (using div_h1 rule)..."

  content
end

#add_slide_directive_before_h1(content) ⇒ Object

add slide directive before h1 (tells slideshow gem where to break slides)

e.g. changes: <h1 id=‘optional’ class=‘optional’>

to
html comment -> _S9SLIDE_ (note: rdoc can't handle html comments?)

<h1 id=‘optional’ class=‘optional’>



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# File 'lib/slideshow/filters/slide_filter.rb', line 49

def add_slide_directive_before_h1( content )

  # mark h1 for getting wrapped into slide divs
  # note: use just <h1 since some processors add ids e.g. <h1 id='x'>

  slide_count = 0

  content.gsub!( /<h1/ ) do |match|
    slide_count += 1
    "\n<!-- _S9SLIDE_ -->\n#{Regexp.last_match(0)}"
  end
  
  puts "  Adding #{slide_count} slide breaks (using h1 rule)..."
  
  content
end

#add_slide_directive_before_h2(content) ⇒ Object 



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# File 'lib/slideshow/filters/slide_filter.rb', line 66

def add_slide_directive_before_h2( content )

  slide_count = 0

  content.gsub!( /<h2/ ) do |match|
    slide_count += 1
    "\n<!-- _S9SLIDE_ -->\n#{Regexp.last_match(0)}"
  end
  
  puts "  Adding #{slide_count} slide breaks (using h2 rule)..."
  
  content
end

#takahashi_slide_breaks(content) ⇒ Object 



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# File 'lib/slideshow/filters/slide_filter.rb', line 6

def takahashi_slide_breaks( content )
  
  inline_count = 0
  line_count = 0

  ###########################
  ## allows   one // two // three
  
  content.gsub!( /\b[ ]+\/{2}[ ]+\b/) do |match|
    inline_count += 1
    ## todo: use slide('') directive helper?
    "\n\n<!-- _S9SLIDE_  -->\n\n"
  end
  
  ############################
  ## allows
  ##
  ##  one
  ##  //
  ##  two
  ##  //
  ##  three
  
  content.gsub!( /^[ ]*\/{2}[ ]*$/ ) do |match|
    line_count += 1
    ## todo: use slide('') directive helper?
    "\n\n<!-- _S9SLIDE_  -->\n\n"
  end

  puts "  Adding #{inline_count+line_count} takahashi slide breaks (#{inline_count} //-inline, #{line_count} //-line)..."
      
  content
end