#! /usr/bin/env python
# encoding: utf-8

import re
import os

# by default waf subst tool uses @VAR@ while scons legacy is ${VAR}
# so we use same template as scons for now
def subst_func(tsk):
    "Substitutes variables in a .in file"

    m4_re = re.compile('\$\{(\w+)\}', re.M)

    env = tsk.env()
    infile = tsk.m_inputs[0].abspath(env)
    outfile = tsk.m_outputs[0].abspath(env)

    file = open(infile, 'r')
    code = file.read()
    file.close()

    s = m4_re.sub(r'%(\1)s', code)

    dict = tsk.dict
    if not dict:
        names = m4_re.findall(code)
        for i in names:
            if env[i] and type(env[i]) is types.ListType :
                dict[i] = " ".join(env[i])
            else: dict[i] = env[i]

    file = open(outfile, 'w')
    file.write(s % dict)
    file.close()

    return 0

def build(bld):
    common_libsources = [
        'JackActivationCount.cpp',
        'JackAPI.cpp',
        'JackClient.cpp',
        'JackConnectionManager.cpp',
        'ringbuffer.c',
        'JackError.cpp',
        'JackFrameTimer.cpp',
        'JackGraphManager.cpp',
        'JackPort.cpp',
        'JackPosixSemaphore.cpp',
        'JackFifo.cpp',
        'JackPortType.cpp',
        'JackAudioPort.cpp',
        'JackMidiPort.cpp',
        'JackMidiAPI.cpp',
        'JackEngineControl.cpp',
        'JackPosixThread.cpp',
        'JackShmMem.cpp',
        'shm.c',
        'JackSocket.cpp',
        'JackTime.c',
        'JackGlobals.cpp',
        'JackDebugClient.cpp',
        'JackTransportEngine.cpp',
        'timestamps.c',
        'JackTools.cpp',
        'JackMessageBuffer.cpp',
        'JackProcessSync.cpp',
        ]
    
    serverlib = bld.create_obj('cpp', 'shlib')
    serverlib.features.append('cc')
    serverlib.defines = 'HAVE_CONFIG_H'
    serverlib.includes = ['.', './jack', '..', '../linux']
    serverlib.name         = 'serverlib'
    serverlib.target       = 'jackserver'
    serverlib.uselib = ['RT', "PTHREAD"]
    serverlib.source = [] + common_libsources
    serverlib.source += [
        'JackAudioDriver.cpp',
        'JackDriver.cpp',
        'JackEngine.cpp',
        'JackExternalClient.cpp',
        'JackFreewheelDriver.cpp',
        'JackInternalClient.cpp',
        'JackLoopbackDriver.cpp',
        'JackServer.cpp',
        'JackThreadedDriver.cpp',
        'JackSocketServerChannel.cpp',
        'JackSocketNotifyChannel.cpp',
        'JackSocketServerNotifyChannel.cpp',
        'JackServerAPI.cpp',
        'JackDriverLoader.cpp',
        'JackServerGlobals.cpp',
        'JackControl.cpp',
	'JackNetTool.cpp',
        ]
    serverlib.vnum = bld.env()['JACK_API_VERSION']

    clientlib = bld.create_obj('cpp', 'shlib')
    clientlib.features.append('cc')
    clientlib.defines = 'HAVE_CONFIG_H'
    clientlib.uselib = ['RT', "PTHREAD"]
    if bld.env()['BUILD_JACKDBUS'] == True:
        clientlib.uselib.append('DBUS-1')
    clientlib.includes = ['.', './jack', '..', '../linux']
    clientlib.name         = 'clientlib'
    clientlib.target       = 'jack'
    clientlib.source = [] + common_libsources
    clientlib.source += [
        'JackLibClient.cpp',
        'JackLibAPI.cpp',
        'JackSocketClientChannel.cpp',
        'JackServerLaunch.cpp', 
        ]
    clientlib.vnum = bld.env()['JACK_API_VERSION']

    netmanager_lib = bld.create_obj('cpp', 'shlib')
    netmanager_lib.env['shlib_PATTERN'] = '%s.so'
    netmanager_lib.includes = ['./jack', '.']
    netmanager_lib.name     = 'netmanager'
    netmanager_lib.target   = 'netmanager'
    netmanager_lib.source   = 'JackNetManager.cpp'

    install_files('PREFIX', 'jack', 'jack/*.h')

    # process jack.pc.in -> jack.pc
    obj = bld.create_obj('subst')
    obj.source = '../jack.pc.in'
    obj.target = 'jack.pc'
    obj.dict = {'PREFIX': bld.env()['PREFIX'],
                'LIBDIR': os.path.normpath(bld.env()['PREFIX'] + '/lib'),
                'INCLUDEDIR': os.path.normpath(bld.env()['PREFIX'] + '/include'),
                'SERVERLIB': serverlib.target,
                'JACK_VERSION': bld.env()['JACK_VERSION'],
                }
    obj.inst_var = bld.env()['PREFIX']
    obj.inst_dir = '/lib/pkgconfig/'
    obj.fun = subst_func # @VAR@ -> ${VAR}