Class: Rulex::Rex::Reader

Inherits:
Object
  • Object
show all
Defined in:
lib/rulex/rex/reader.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Reader

Returns a new instance of Reader.



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# File 'lib/rulex/rex/reader.rb', line 5

def initialize
  @content = []
  @content_stack = [@content]
  @latex_reader = Rulex::Tex::Reader.new
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m_id, *args, &block) ⇒ Object 



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# File 'lib/rulex/rex/reader.rb', line 68

def method_missing(m_id, *args, &block) 
  if block
    tex_environment(m_id, args, block)
  elsif /pure_([a-zA-Z]+)/.match(m_id)
    Rulex::Tex::Writer.to_str(build_tex_command($1,args))
    #"\\#{$1}{1}{2}"
  else
    tex_command(m_id, args)
  end
end

Instance Method Details

#add_to_content(node) ⇒ Object 



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# File 'lib/rulex/rex/reader.rb', line 13

def add_to_content node
  @content_stack.last << node
end

#build_tex_command(name, params) ⇒ Object 



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# File 'lib/rulex/rex/reader.rb', line 33

def build_tex_command(name, params)
  case params.length
  when 1
    {type: :command, name: name, arguments: params} 
  when 2
    first = params[0]
    second = params[1]
    if Array === params[0] && Array === params[1]
      {type: :command, name: name, arguments: second, options: first}
    elsif String === params[0] && String === params[1]
      {type: :command, name: name, arguments: [first, second]}
    else
      error "something is not quite right with the parameters"
    end
  else
    error "wrong number of params"
  end
end

#depth ⇒ Object 



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# File 'lib/rulex/rex/reader.rb', line 56

def depth
  @content_stack.length - 1
end

#export ⇒ Object 



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# File 'lib/rulex/rex/reader.rb', line 29

def export
  @content
end

#import(filepath) ⇒ Object 



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# File 'lib/rulex/rex/reader.rb', line 25

def import filepath
  read File.open(filepath).read
end

#raw(str) ⇒ Object 



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# File 'lib/rulex/rex/reader.rb', line 17

def raw str
  add_to_content(type: :text, text: str)
end

#tex(str) ⇒ Object 



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# File 'lib/rulex/rex/reader.rb', line 21

def tex str
  add_to_content(type: :tex, children: @latex_reader.read(str))
end

#tex_command(name, params) ⇒ Object 



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# File 'lib/rulex/rex/reader.rb', line 52

def tex_command(name, params)
  add_to_content build_tex_command name, params
end

#tex_environment(name, args, block) ⇒ Object 



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# File 'lib/rulex/rex/reader.rb', line 60

def tex_environment(name, args, block)
  new_node = {type: :environment, name: name, arguments: args}
  @content_stack.push []
  read &block
  new_node.merge!(children: @content_stack.pop)
  add_to_content new_node
end