Class: Opmac2html::Preprocessor

Inherits:

Object

• Object
• Opmac2html::Preprocessor

Defined in:

lib/opmac2html/preprocessor.rb

Overview

A preprocessor for HTML and TeX special characters

Constant Summary

G_SUBST =

{ '<' => '&lt;', '>' => '&gt;', '&' => '&amp;' }

TEXT_SUBST =

{ '~' => ' ', '--' => '–', '---' => '&mdash',
'\\,' => ' ', '\\-' => '', '\\TeX{}' => 'TeX',
'\\LaTeX{}' => 'LaTeX', '\\csplain{}' => 'CSplain' }

TS_REG =

Regexp.new('~|---?|([^\\\\][%].*)|^%.*|\s%.*|\\\\[,-]|' \
'\\\\(La)?TeX\{\}|\\\\csplain\{\}|^\{|\s\{|^\}|\s\}')

Instance Attribute Summary

• #ttchar ⇒ Object

  Returns the value of attribute ttchar.

Instance Method Summary

• #initialize ⇒ Preprocessor constructor

  A new instance of Preprocessor.

• #process_text(text) ⇒ Object
• #run(text) ⇒ Object

Constructor Details

#initialize ⇒ Preprocessor

Returns a new instance of Preprocessor.

# File 'lib/opmac2html/preprocessor.rb', line 14

def initialize
  @ttchar = '"'
end

Instance Attribute Details

#ttchar ⇒ Object

Returns the value of attribute ttchar.

# File 'lib/opmac2html/preprocessor.rb', line 4

def ttchar
  @ttchar
end

Instance Method Details

#process_text(text) ⇒ Object

# File 'lib/opmac2html/preprocessor.rb', line 22

def process_text(text)
  text.gsub(TS_REG) { |c| TEXT_SUBST[c] }
end

#run(text) ⇒ Object

# File 'lib/opmac2html/preprocessor.rb', line 18

def run(text)
  text.gsub(/[<>&]/) { |c| G_SUBST[c] }
end