#  Phusion Passenger - https://www.phusionpassenger.com/
#  Copyright (c) 2010-2017 Phusion Holding B.V.
#
#  "Passenger", "Phusion Passenger" and "Union Station" are registered
#  trademarks of Phusion Holding B.V.
#
#  Permission is hereby granted, free of charge, to any person obtaining a copy
#  of this software and associated documentation files (the "Software"), to deal
#  in the Software without restriction, including without limitation the rights
#  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#  copies of the Software, and to permit persons to whom the Software is
#  furnished to do so, subject to the following conditions:
#
#  The above copyright notice and this permission notice shall be included in
#  all copies or substantial portions of the Software.
#
#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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#  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#  THE SOFTWARE.

# This file uses the cxxcodebuilder API. Learn more at:
# https://github.com/phusion/cxxcodebuilder

require 'phusion_passenger/apache2/config_options'

def main
  comment copyright_header_for(__FILE__), 1

  separator

  comment %q{
    CreateDirConfig.cpp is automatically generated from CreateDirConfig.cpp.cxxcodebuilder,
    using definitions from src/ruby_supportlib/phusion_passenger/apache2/config_options.rb.
    Edits to CreateDirConfig.cpp will be lost.

    To update CreateDirConfig.cpp:
      rake apache2

    To force regeneration of CreateDirConfig.cpp:
      rm -f src/apache2_module/CreateDirConfig.cpp
      rake src/apache2_module/CreateDirConfig.cpp
  }

  separator

  filter_eligible_options(APACHE2_DIRECTORY_CONFIGURATION_OPTIONS).each do |option|
    if option[:type] == :string
      add_code("config->#{struct_field_for(option)} = NULL;")
    elsif option[:type] == :integer
      add_code("config->#{struct_field_for(option)} = UNSET_INT_VALUE;")
    elsif option[:type] == :flag
      add_code("config->#{struct_field_for(option)} = DirConfig::UNSET;")
    else
      raise "Unknown option type #{option[:type].inspect} for option #{option[:name]}"
    end
  end
end

def filter_eligible_options(options)
  options.reject do |option|
    option[:alias_for] ||
      option.fetch(:field, true).nil? ||
      option[:field].to_s =~ /\./
  end
end

def struct_field_for(option)
  if option.has_key?(:field)
    option[:field]
  else
    result = option[:name].sub(/^Passenger/, '')
    result[0] = result[0..0].downcase
    result
  end
end

main