#!/usr/bin/ruby
#
# $Date: 2003-07-21 07:21:30 -0700 (Mon, 21 Jul 2003) $
# Copyright (c) 2000 Masatoshi SEKI
#
# install.rb is copyrighted free software by Masatoshi SEKI.
# You can redistribute it and/or modify it under the same term as Ruby.

require 'rbconfig'
require 'find'
require 'ftools'

include Config

class Installer
  protected
  def install(from, to, mode = nil, verbose = false)
    str = "install '#{from}' to '#{to}'"
    str += ", mode=#{mode}" if mode
    puts str if verbose
  end

  protected
  def makedirs(*dirs)
    for d in dirs
      puts "mkdir #{d}"
    end
  end

  def initialize(test=false)
    @version = CONFIG["MAJOR"]+"."+CONFIG["MINOR"]
    @libdir = File.join(CONFIG["libdir"], "ruby", @version)
    @sitelib = find_site_libdir
    @ftools = (test) ? self : File
  end
  public
  attr_reader(:libdir, :sitelib)

  private
  def find_site_libdir
    site_libdir = $:.find {|x| x =~ /site_ruby$/}
    if !site_libdir
      site_libdir = File.join(@libdir, "site_ruby")
    elsif site_libdir !~ Regexp::new( Regexp.quote(@version) )
      site_libdir = File.join(site_libdir, @version)
    end
    site_libdir
  end

  public
  def files_in_dir(dir)
    list = []
    Find.find(dir) do |f|
      list.push(f)
    end
    list
  end

  public
  def install_files(srcdir, files, destdir=@sitelib)
    path = []
    dir = []

    for f in files
      next if (f = f[srcdir.length+1..-1]) == nil
      path.push f if File.ftype(File.join(srcdir, f)) == 'file'
      dir |= [ File.dirname(File.join(destdir, f)) ]
    end
    @ftools.makedirs(*dir)
    for f in path
      @ftools.install(File.join(srcdir, f), File.join(destdir, f), nil, true)
    end
  end

  public
  def install_rb
    intall_files('lib', files_in_dir('lib'))
  end
end

if __FILE__ == $0
  inst = Installer.new(ARGV.shift == '-n')
  inst.install_files('lib', ['lib/io/reactor.rb'])
end