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# WebKit's Python module for understanding the various ports

import os

import platform

from webkitpy.common.system.executive import Executive

class WebKitPort(object):

    # We might need to pass scm into this function for scm.checkout_root

    @classmethod

    def script_path(cls, script_name):

        return os.path.join("WebKitTools", "Scripts", script_name)

    @staticmethod

    def port(port_name):

        ports = {

            "chromium": ChromiumPort,

            "gtk": GtkPort,

            "mac": MacPort,

            "win": WinPort,

            "qt": QtPort,

        }

        default_port = {

            "Windows": WinPort,

            "Darwin": MacPort,

        }

        # Do we really need MacPort as the ultimate default?

        return ports.get(port_name, default_port.get(platform.system(), MacPort))

    @staticmethod

    def makeArgs():

        args = '--makeargs="-j%s"' % Executive().cpu_count()

        if os.environ.has_key('MAKEFLAGS'):

            args = '--makeargs="%s"' % os.environ['MAKEFLAGS']

        return args

    @classmethod

    def name(cls):

        raise NotImplementedError("subclasses must implement")

    @classmethod

    def flag(cls):

        raise NotImplementedError("subclasses must implement")

    @classmethod

    def update_webkit_command(cls):

        return [cls.script_path("update-webkit")]

    @classmethod

    def build_webkit_command(cls, build_style=None):

        command = [cls.script_path("build-webkit")]

        if build_style == "debug":

            command.append("--debug")

        if build_style == "release":

            command.append("--release")

        return command

    @classmethod

    def run_javascriptcore_tests_command(cls):

        return [cls.script_path("run-javascriptcore-tests")]

    @classmethod

    def run_webkit_tests_command(cls):

        return [cls.script_path("run-webkit-tests")]

    @classmethod

    def run_python_unittests_command(cls):

        return [cls.script_path("test-webkitpy")]

    @classmethod

    def run_perl_unittests_command(cls):

        return [cls.script_path("test-webkitperl")]

class MacPort(WebKitPort):

    @classmethod

    def name(cls):

        return "Mac"

    @classmethod

    def flag(cls):

        return "--port=mac"

    @classmethod

    def _system_version(cls):

        version_string = platform.mac_ver()[0]  # e.g. "10.5.6"

        version_tuple = version_string.split('.')

        return map(int, version_tuple)

    @classmethod

    def is_leopard(cls):

        return tuple(cls._system_version()[:2]) == (10, 5)

class WinPort(WebKitPort):

    @classmethod

    def name(cls):

        return "Win"

    @classmethod

    def flag(cls):

        # FIXME: This is lame.  We should autogenerate this from a codename or something.

        return "--port=win"

class GtkPort(WebKitPort):

    @classmethod

    def name(cls):

        return "Gtk"

    @classmethod

    def flag(cls):

        return "--port=gtk"

    @classmethod

    def build_webkit_command(cls, build_style=None):

        command = WebKitPort.build_webkit_command(build_style=build_style)

        command.append("--gtk")

        command.append(WebKitPort.makeArgs())

        return command

    @classmethod

    def run_webkit_tests_command(cls):

        command = WebKitPort.run_webkit_tests_command()

        command.append("--gtk")

        return command

class QtPort(WebKitPort):

    @classmethod

    def name(cls):

        return "Qt"

    @classmethod

    def flag(cls):

        return "--port=qt"

    @classmethod

    def build_webkit_command(cls, build_style=None):

        command = WebKitPort.build_webkit_command(build_style=build_style)

        command.append("--qt")

        command.append(WebKitPort.makeArgs())

        return command

class ChromiumPort(WebKitPort):

    @classmethod

    def name(cls):

        return "Chromium"

    @classmethod

    def flag(cls):

        return "--port=chromium"

    @classmethod

    def update_webkit_command(cls):

        command = WebKitPort.update_webkit_command()

        command.append("--chromium")

        return command

    @classmethod

    def build_webkit_command(cls, build_style=None):

        command = WebKitPort.build_webkit_command(build_style=build_style)

        command.append("--chromium")

        return command