Class: CERB

Inherits:
Object
  • Object
show all
Defined in:
lib/csquare/cerb.rb

Defined Under Namespace

Classes: Buffer

Constant Summary collapse

SPLIT_REGEXP = 
/^\s*#\s*RUBY\s+/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file, blueprint) ⇒ CERB

Returns a new instance of CERB.



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# File 'lib/csquare/cerb.rb', line 22

def initialize file, blueprint
  @blueprint = blueprint

  out = Buffer.new
  eval_str = nil
  @src = []

  while line = file.gets
    line.chomp!

    c_code, eval_str = line.split(SPLIT_REGEXP, 2)

    #binding.pry if line == "#RUBY if blueprint.id != :complex"

    if eval_str.nil?
      out.push c_code
    else
      unless out.empty?
        @src << "puts #{out.result.dump}"
        out.reset!
      end

      @src << "puts ''" # empty line in place of #RUBY statements (ensures line numbers match source files in debugging)
      @src << eval_str
    end
  end

  @src << "puts #{out.result.dump}" if eval_str.nil? && !out.empty?
  @src << "puts ''" # prevent EOF errors

  #binding.pry

  eval @src.join("\n")
end

Instance Attribute Details

#blueprint ⇒ Object (readonly)

Returns the value of attribute blueprint.



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# File 'lib/csquare/cerb.rb', line 56

def blueprint
  @blueprint
end

#src ⇒ Object (readonly)

Returns the value of attribute src.



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# File 'lib/csquare/cerb.rb', line 56

def src
  @src
end