Class: Rundoc::CodeSection

Inherits:
Object
  • Object
show all
Defined in:
lib/rundoc/code_section.rb

Overview

holds code, parses and creates CodeCommand

Defined Under Namespace

Classes: ParseError

Constant Summary collapse

COMMAND_REGEX =

todo: move whole thing

Rundoc::Parser::COMMAND_REGEX

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(match, options = {}) ⇒ CodeSection

Returns a new instance of CodeSection.



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# File 'lib/rundoc/code_section.rb', line 30

def initialize(match, options = {})
  @original = match.to_s
  @commands = []
  @stack    = []
  @keyword  = options[:keyword] or raise "keyword is required"
  @document_path = options[:document_path]
  @fence    = match[:fence]
  @lang     = match[:lang]
  @code     = match[:contents]
  parse_code_command
end

Instance Attribute Details

#code ⇒ Object

Returns the value of attribute code.



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# File 'lib/rundoc/code_section.rb', line 28

def code
  @code
end

#commands ⇒ Object

Returns the value of attribute commands.



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# File 'lib/rundoc/code_section.rb', line 28

def commands
  @commands
end

#fence ⇒ Object

Returns the value of attribute fence.



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# File 'lib/rundoc/code_section.rb', line 28

def fence
  @fence
end

#keyword ⇒ Object

Returns the value of attribute keyword.



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# File 'lib/rundoc/code_section.rb', line 28

def keyword
  @keyword
end

#lang ⇒ Object

Returns the value of attribute lang.



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# File 'lib/rundoc/code_section.rb', line 28

def lang
  @lang
end

#original ⇒ Object

Returns the value of attribute original.



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# File 'lib/rundoc/code_section.rb', line 28

def original
  @original
end

Instance Method Details

#hidden? ⇒ Boolean

all of the commands are hidden

Returns:

  • (Boolean) 


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# File 'lib/rundoc/code_section.rb', line 84

def hidden?
  !not_hidden?
end

#not_hidden? ⇒ Boolean

one or more of the commands are not hidden

Returns:

  • (Boolean) 


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# File 'lib/rundoc/code_section.rb', line 89

def not_hidden?
  return true if commands.empty?
  commands.map(&:not_hidden?).detect {|c| c }
end

#parse_code_command ⇒ Object 



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# File 'lib/rundoc/code_section.rb', line 94

def parse_code_command
  parser = Rundoc::PegParser.new.code_block
  tree = parser.parse(@code)
  actual = Rundoc::PegTransformer.new.apply(tree)
  actual = [actual] unless actual.is_a?(Array)
  actual.each do |code_command|
    @stack   << "\n" if commands.last.is_a?(Rundoc::CodeCommand)
    @stack   << code_command
    commands << code_command
  end
rescue ::Parslet::ParseFailed => e
  raise "Could not compile code:\n#{@code}\nReason: #{e.message}"
end

#render ⇒ Object 



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# File 'lib/rundoc/code_section.rb', line 42

def render
  result = []
  env    = {}
  env[:commands] = []
  env[:before]   = String.new("#{fence}#{lang}")
  env[:after]    = String.new(fence)
  env[:document_path] = @document_path

  @stack.each do |s|
    unless s.respond_to?(:call)
      result << s
      next
    end

    code_command = s
    code_output  = code_command.call(env)  || ""
    code_line    = code_command.to_md(env) || ""

    env[:commands] << { object: code_command, output: code_output, command: code_line }

    tmp_result = []
    tmp_result << code_line   if code_command.render_command?
    tmp_result << code_output if code_command.render_result?

    result << tmp_result unless code_command.hidden?
    result
  end

  return env[:replace] if env[:replace]

  return "" if hidden?

  array = [env[:before], result, env[:after]]
  array.flatten!
  array.compact!
  array.map!(&:rstrip)
  array.reject!(&:empty?)

  return array.join("\n") << "\n"
end