method

find_class_comment

v1_8_6_287 - Show latest stable - 0 notes - Class: RDoc::C_Parser

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find_class_comment(class_name, class_meth) private

Look for class or module documentation above Init_+class_name+(void), in a Document-class class_name (or module) comment or above an rb_define_class (or module). If a comment is supplied above a matching Init_ and a rb_define_class the Init_ comment is used.

  /*
   * This is a comment for Foo
   */
  Init_Foo(void) {
      VALUE cFoo = rb_define_class("Foo", rb_cObject);
  }

  /*
   * Document-class: Foo
   * This is a comment for Foo
   */
  Init_foo(void) {
      VALUE cFoo = rb_define_class("Foo", rb_cObject);
  }

  /*
   * This is a comment for Foo
   */
  VALUE cFoo = rb_define_class("Foo", rb_cObject);

Show source

# File lib/rdoc/parsers/parse_c.rb, line 293
    def find_class_comment(class_name, class_meth)
      comment = nil
      if @body =~ %r{((?>/\*.*?\*/\s+))
                     (static\s+)?void\s+Init_#{class_name}\s*(?:_\(\s*)?\(\s*(?:void\s*)?\)}xmi
        comment = $1
      elsif @body =~ %r{Document-(class|module):\s#{class_name}\s*?\n((?>.*?\*/))}m
        comment = $2
      else
        if @body =~ /rb_define_(class|module)/m then
          class_name = class_name.split("::").last
          comments = []
          @body.split(/(\/\*.*?\*\/)\s*?\n/m).each_with_index do |chunk, index|
            comments[index] = chunk
            if chunk =~ /rb_define_(class|module).*?"(#{class_name})"/m then
              comment = comments[index-1]
              break
            end
          end
        end
      end
      class_meth.comment = mangle_comment(comment) if comment
    end

find_class_comment

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