#/usr/bin/env ruby

##########################
# FILL-IN THESE SETTINGS #
########################################################################

PROJECT_NAME = "my_project"

RDOC_DIR     = 'doc/rdoc'
RDOC_TITLE   = "#{PROJECT_NAME.capitalize} API"
RDOC_MAIN    = "README"
RDOC_FILES   = ['A-Z*', 'lib', 'ext']

########################################################################

# Requirements ---------------------------------------------------------
require 'rake/clean'
require 'rake/testtask'
require 'rake/rdoctask'

# Default Tasks ---------------------------------------------------------
desc "Default task (compile and test)"
task :default => [:compile, :test]

# Clean Tasks ---------------------------------------------------------
CLEAN.include '**/*.o'
CLEAN.include '**/*.so'

# Clobber Tasks ---------------------------------------------------------
CLOBBER.include 'doc/rdoc'
CLOBBER.include '**/*.log'
CLOBBER.include '**/Makefile'
CLOBBER.include '**/extconf.h'

# RDoc Tasks ---------------------------------------------------------
desc "Create the RDOC documentation"
rd = Rake::RDocTask.new(:doc) do |rdoc|
  rdoc.rdoc_dir = RDOC_DIR
  rdoc.title    = RDOC_TITLE
  rdoc.options << '--main' << RDOC_MAIN
  rdoc.rdoc_files.include(*RDOC_FILES)
end

# Test Tasks ---------------------------------------------------------
Rake::TestTask.new(:test) do |t|
  t.test_files = FileList[
    'tests/**/test_*.rb',
    'tests/**/tc_*.rb',
  ]
  t.warning = false
  t.verbose = true
end

task :test => :compile

# Install Tasks ------------------------------------------------------
desc "Install to local site directory."
task :install do
  cmd = File.glob('{setup.rb,install.rb,task/setup,task/install}').first
  if cmd
    system cmd
  else
    abort "No install/setup script found."
  end
end

# Make tasks -----------------------------------------------------
MAKECMD  = ENV['MAKE_CMD'] || 'make'
MAKEOPTS = ENV['MAKE_OPTS'] || ''

exts = File.glob('ext/*/extconf.rb')
dirs = exts.collect{ |e| File.dirname(e) }
maks = dirs.collect{ |d| File.join(d, 'Makefile' }

unless exts.empty?
  dirs.each do |dir|
    file File.join(dir,'Makefile') => File.join(dir,'extconf.rb') do
      Dir.chdir(dir) do
        ruby 'extconf.rb'
      end
    end
  end

  desc "Compile the shared object"
  task :compile => maks do
    dirs.each do |dir|
      m = make(dir)
      fail "Make failed (status #{m})" unless m == 0
    end
  end

  #desc "Install to your site_ruby directory"
  #task :install => :compile do
  #  m = make 'install' 
  #  fail "Make install failed (status #{m})" unless m == 0
  #end
end

def make(dir, target = '')
  Dir.chdir(dir) do
    pid = fork { exec "#{MAKECMD} #{MAKEOPTS} #{target}" }
    Process.waitpid pid
  end
  $?.exitstatus
end


=begin
# Packaging / Version number tasks -----------------------------------
# Used during release packaging if a REL is supplied
task :update_version do
  unless PKG_VERSION == CURRENT_VERSION
    pkg_vernum = PKG_VERSION.tr('.','').sub(/^0*/,'')
    pkg_vernum << '0' until pkg_vernum.length > 2
    
    File.open('ext/xml/libxml.h.new','w+') do |f|      
    maj, min, mic, patch = /(\d+)\.(\d+)(?:\.(\d+))?(?:\.(\d+))?/.match(PKG_VERSION).captures
      f << File.read('ext/xml/libxml.h').
           gsub(/RUBY_LIBXML_VERSION\s+"(\d.+)"/) { "RUBY_LIBXML_VERSION  \"#{PKG_VERSION}\"" }.
           gsub(/RUBY_LIBXML_VERNUM\s+\d+/) { "RUBY_LIBXML_VERNUM   #{pkg_vernum}" }.
           gsub(/RUBY_LIBXML_VER_MAJ\s+\d+/) { "RUBY_LIBXML_VER_MAJ   #{maj}" }.
           gsub(/RUBY_LIBXML_VER_MIN\s+\d+/) { "RUBY_LIBXML_VER_MIN   #{min}" }.
           gsub(/RUBY_LIBXML_VER_MIC\s+\d+/) { "RUBY_LIBXML_VER_MIC   #{mic || 0}" }.
           gsub(/RUBY_LIBXML_VER_PATCH\s+\d+/) { "RUBY_LIBXML_VER_PATCH #{patch || 0}" }           
    end
    mv('ext/xml/libxml.h.new', 'ext/xml/libxml.h')     
  end
end
=end