Class: Jekyll::PseudoCodeB::HtmlBrush

Inherits:
Brush
  • Object
show all
Defined in:
lib/jekyll-pseudocode-b/html_brush.rb

Instance Method Summary collapse

Instance Method Details

#comment(txt) ⇒ Object 



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# File 'lib/jekyll-pseudocode-b/html_brush.rb', line 54

def comment(txt)
  "<span class='comment'>/* #{txt.strip} */</span>"
end

#fn(txt) ⇒ Object 



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# File 'lib/jekyll-pseudocode-b/html_brush.rb', line 22

def fn(txt)
  "<span class='function'>#{txt}</span>"
end

#indent(txt) ⇒ Object 



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# File 'lib/jekyll-pseudocode-b/html_brush.rb', line 62

def indent(txt)
  txt.gsub! "\t", '   '
  "<span class='indent'>#{txt}</span>"
end

#is_numeric?(s) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jekyll-pseudocode-b/html_brush.rb', line 7

def is_numeric?(s)
  begin
    Float(s)
  rescue
    false # not numeric
  else
    true # numeric
  end
end

#math(txt) ⇒ Object 



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# File 'lib/jekyll-pseudocode-b/html_brush.rb', line 96

def math(txt)
  symbol = case txt
  when 'pi' then '&#x3C0;'
  when 'tau' then '&#x1d6d5;'
  when 'infinity' then '&#x221e;'
  else txt
  end
  # FIXME: html conversion for some operators
  "<span class='math-symbol'>#{symbol}</span>"
end

#number(txt) ⇒ Object 



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# File 'lib/jekyll-pseudocode-b/html_brush.rb', line 30

def number(txt)
  "<span class='numeric'>#{txt}</span>"
end

#objfn(obj, fnc) ⇒ Object 



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# File 'lib/jekyll-pseudocode-b/html_brush.rb', line 26

def objfn(obj, fnc)
  "<span class='variable'>#{obj}</span><span class='operator'>.</span><span class='function'>#{fnc}</span>"
end

#op(txt) ⇒ Object 



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# File 'lib/jekyll-pseudocode-b/html_brush.rb', line 67

def op(txt)
  symbol = case txt
  when '<' then '&#65308;'
  when '>' then '&#65310;'
  when '<=' then '&#x2264;'
  when '>=' then '&#x2265;'
  when '<-' then '&#x2190;'
  when '->' then '&#x2192;'
  when '<--' then '&#x27f5;'
  when '-->' then '&#x27f6;'
  when '<->' then '&#x2194;'
  when '<-->' then '&#x27f7;'
  when '*' then '&times;'
  when '[' then '&#65339;'
  when ']' then '&#65341;'
  when '!=' then '&#x2260;'
  when '<>' then '&#x2260;'
  when '=' then '&#x3d;'
  when ':=' then '&#x2254;'
  when '+' then '&#x2b;'
  when '-' then '-'
  when '/' then '/'
  when '==' then '&#xff1d;'
  else txt
  end
  # FIXME: html conversion for some operators
  "<span class='operator'>#{symbol}</span>"
end

#plain(txt) ⇒ Object 



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# File 'lib/jekyll-pseudocode-b/html_brush.rb', line 107

def plain(txt)
  "#{txt}"
end

#special(txt, sub) ⇒ Object 



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# File 'lib/jekyll-pseudocode-b/html_brush.rb', line 34

def special(txt, sub)
  if sub
    "<span class='special'>#{txt}<sub>#{sub.slice(1,sub.size)}</sub></span>"
  else
    "<span class='special'>#{txt}</span>"
  end
end

#string(txt) ⇒ Object 



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# File 'lib/jekyll-pseudocode-b/html_brush.rb', line 58

def string(txt)
  "<span class='string'>#{txt}</span>"
end

#sym(txt) ⇒ Object 



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# File 'lib/jekyll-pseudocode-b/html_brush.rb', line 17

def sym(txt)
  "<span class='symbol'>#{txt}</span>"
end

#var(txt, sub) ⇒ Object 



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# File 'lib/jekyll-pseudocode-b/html_brush.rb', line 42

def var(txt, sub)
  if sub
    "<span class='variable'>#{txt}<sub>#{sub.slice(1,sub.size)}</sub></span>"
  else
    if (is_numeric?(txt))
      "<span class='numeric'>#{txt}</span>"
    else
      "<span class='variable'>#{txt}</span>"
    end
  end
end