Class: SexpDslBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/roundtrip_xml/sexp_dsl_builder.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(roxml_obj, runtime) ⇒ SexpDslBuilder

Returns a new instance of SexpDslBuilder.



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# File 'lib/roundtrip_xml/sexp_dsl_builder.rb', line 34

def initialize(roxml_obj, runtime)
  @roxml_obj = roxml_obj
  self.runtime = runtime
  @parser = RubyParser.new
end

Instance Attribute Details

#roxml_objs ⇒ Object

Returns the value of attribute roxml_objs.



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# File 'lib/roundtrip_xml/sexp_dsl_builder.rb', line 33

def roxml_objs
  @roxml_objs
end

#runtime ⇒ Object

Returns the value of attribute runtime.



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# File 'lib/roundtrip_xml/sexp_dsl_builder.rb', line 33

def runtime
  @runtime
end

Instance Method Details

#create_hash_sexp(hash) ⇒ Object 



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# File 'lib/roundtrip_xml/sexp_dsl_builder.rb', line 40

def create_hash_sexp(hash)
  @parser.process(hash.to_s).to_a
end

#create_sexp_for_roxml_obj(obj, root_method = nil) ⇒ Object 



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# File 'lib/roundtrip_xml/sexp_dsl_builder.rb', line 44

def create_sexp_for_roxml_obj(obj, root_method = nil)
  is_subclass = obj.class.subclass?
  subclass_value = is_subclass ? [:lit, obj.class.class_name] : nil
  accessors = []
  # metadata
  if root_method && obj._metadata && !obj._metadata.empty?
    accessors << [:call, nil, :_metadata, create_hash_sexp(obj._metadata)]
  end
  obj.attributes.each do |attr|
    val = obj.send attr.accessor
    next unless val

    if attr.sought_type.class == Symbol
      if val.is_a? Array
        val.each {|v| accessors << [:call, nil, attr.accessor, [:str, v]]}
      else
        accessors << [:call, nil, attr.accessor, [:str, val]]
      end
    elsif val.class == Array
      val.each { |v| accessors << create_sexp_for_roxml_obj(v, attr.accessor) }
    else
      accessors << create_sexp_for_roxml_obj(val, attr.accessor) if val
    end
  end.compact
  # plain accessors
  obj.class.plain_accessors.each do |a|
    val = obj.send a
    next unless val
    accessors << [:call, nil, a, [:str, val]]
  end
  root_call = [:call, nil, root_method]
  root_call << subclass_value if subclass_value
  if root_method
    [:iter, root_call,
     0,
     [:block, *accessors]
    ]
  else
    [:block,
     *accessors]
  end
end

#exp ⇒ Object 



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# File 'lib/roundtrip_xml/sexp_dsl_builder.rb', line 8

def exp
  rub = <<EOF
bar 'adf'
foo do
a "a" do
  a1 1
  a2 2
end
a "a" do
  a1 3
  a2 4
end
b "b"
c "c"
end
EOF

  # s = Sexp.from_array arr
  # processor = Ruby2Ruby.new
  # processor.process(s)
  parser = RubyParser.new
  s = parser.process(rub)
  s
end

#write_full_dsl(root_method) ⇒ Object 



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# File 'lib/roundtrip_xml/sexp_dsl_builder.rb', line 96

def write_full_dsl(root_method)
  write_roxml_obj @roxml_obj
end

#write_roxml_obj(obj) ⇒ Object 



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# File 'lib/roundtrip_xml/sexp_dsl_builder.rb', line 87

def write_roxml_obj(obj)
  s = create_sexp_for_roxml_obj obj

  sexp = Sexp.from_array s
  processor = Ruby2Ruby.new
  str = processor.process(sexp)
  str.gsub(/([^"])\(([^\(\)]*|".*")\)([^"])([^{]|$)/, '\\1 \\2\\3\\4').gsub(/"([^'\n]+)"/, "'\\1'").gsub(/# do nothing/, '')
end