Module: MathToItex

Defined in:
lib/math-to-itex.rb,
lib/math-to-itex/parser.rb,
lib/math-to-itex/version.rb

Defined Under Namespace

Classes: Parser

Constant Summary collapse

VERSION = 
"0.3.0"

Class Method Summary collapse

Class Method Details

.convert(&block) ⇒ Object 



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# File 'lib/math-to-itex.rb', line 12

def self.convert(&block)
  @string.gsub(MathToItex::Parser::REGEX) do |maths|
    if maths =~ /\A\$(?!\$)/
      just_maths = maths[1..-2]
      type = :inline
    elsif maths =~ /^\\\((?!\\\()/
      just_maths = maths[2..-3]
      type = :inline
    elsif maths =~ /\A\$\$/
      just_maths = maths[2..-3]
      type = :display
    elsif maths =~ /\A\\\[(?!\\\[)/
      just_maths = maths[2..-3]
      type = :display
    elsif maths =~ /\A\\begin(?!\\begin)/
      just_maths = maths[16..-15]
      type = :display
    end

    # this is the format itex2MML expects
    if type == :inline
      just_maths = "$#{just_maths}$"
    else
      just_maths = "$$#{just_maths}$$"
    end

    next(just_maths) if block.nil?

    yield just_maths, type
  end
end

.parens(string) ⇒ Object 



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# File 'lib/math-to-itex.rb', line 7

def self.parens(string)
  @string = string
  self
end