soumya92/barista

# Copyright 2018 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

require 'optparse'
require_relative '../rb/gofile.rb'

attr_name = nil
OptionParser.new do |opts|
  opts.on('-n', '--name NAME', 'Attribute name') { |v| attr_name = v }
end.parse!
abort if attr_name.nil?

write_go_file("kwattrs_#{attr_name}.go") do |out|
  out.puts 'package pango'
  ARGV.map { |it| it.split ':' }.each do |method_name, value|
    value = method_name.downcase if value.nil?
    out.write(<<~METHOD)

      // #{method_name} sets the pango #{attr_name} to "#{value}".
      func (n *Node) #{method_name}() *Node {
      \treturn n.setAttr("#{attr_name}", "#{value}")
      }
    METHOD
  end
end