#! /usr/bin/env python
# encoding: utf-8
# Peter Soetens, 2006

import os, sys, imp
import Utils, Action, Params, Configure

# This function is called when the class cppobj encounters a '.idl' file
def tao_idl_file(obj, node):

	# this function is used several times
	fi = obj.file_in

	# we create the task for the idl file
	# idl compiler generates from one input file 4 output files.
	idltask = obj.create_task('idl', obj.env)

	idltask.m_scanner = Scan.c_scanner
	idltask.m_scanner_params = dir_lst

	idltask.m_inputs  = fi(filename)
	idltask.m_outputs = fi(base+ch_ext) + fi(base+ccpp_ext) + fi(base+sh_ext) + fi(base+scpp_ext)
	obj.idltasks.append(idltask)

	#idltask.m_use_outputdir = 1 # No, the task class is already way too big and i want to shrink it (ita)

	# now we also add the task that creates the object file ('.o' file)
	cpptask = obj.create_task('cpp', obj.env, 4)
	cpptask.m_inputs  = idltask.m_outputs[1]
	cpptask.m_outputs = fi(base+'.o')
	obj.cpptasks.append(cpptask)

# This function is called when a build process is started 
def setup(env):
	# by default - when loading a compiler tool, it sets CC_SOURCE_TARGET to a string
	# like '%s -o %s' which becomes 'file.cpp -o file.o' when called
	idl_vardeps    = ['IDL', '_IDLDEFFLAGS', '_IDLINCFLAGS','IDL_ST']
	Action.GenAction('idl', idl_vardeps)

	if not sys.platform == "win32":
		Params.g_colors['idl']='\033[94m'

	# As last, load 'idl' language

	if not Params.g_handlers['cppobj']: Params.g_handlers['cppobj'] = {}
	if not Params.g_handlers['cppobj']['.idl'] = idlfunc

# tool detection and initial setup 
# is called when a configure process is started, 
# the values are cached for further build processes
def detect(conf):

	idl = conf.checkProgram('tao_idl')
	if not idl:
		return 0;

	# idl compiler
	conf.env['IDL']             = idl
	conf.env['_IDLDEFFLAGS']    = ''
	conf.env['_IDLINCFLAGS']    = ''
	conf.env['IDL_ST']          = '%s -o %s'
	conf.env['IDLPATH_ST']      = '-I%s' # template for adding include pathes

	if not conf.env['DESTDIR']: conf.env['DESTDIR']=''
	
	# tao_idl generated suffixes
	conf.env['idl_SH'] = ['S.h']
	conf.env['idl_SCPP'] = ['S.cpp']
	conf.env['idl_CH'] = ['C.h']
	conf.env['idl_CCPP'] = ['C.cpp']

	# hmmm this is usually set elsewhere
	if sys.platform == "win32": 
		if not conf.env['PREFIX']: conf.env['PREFIX']='c:\\'
	elif sys.platform == 'cygwin':
		if not conf.env['PREFIX']: conf.env['PREFIX']='/cygdrive/c/'
	else:
		if not conf.env['PREFIX']: conf.env['PREFIX'] = '/usr'

	return 1