| # -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*- |
| |
| from waflib import Options, Logs, Errors, Configure |
| import re |
| |
| def addWebsocketOptions(self, opt): |
| opt.add_option('--without-websocket', action='store_false', default=True, |
| dest='with_websocket', help='Disable WebSocket face support') |
| |
| setattr(Options.OptionsContext, 'addWebsocketOptions', addWebsocketOptions) |
| |
| @Configure.conf |
| def checkWebsocket(self, **kw): |
| if not self.options.with_websocket: |
| return |
| |
| isMandatory = kw.get('mandatory', True) |
| |
| self.start_msg('Checking for WebSocket++ includes') |
| |
| try: |
| websocketDir = self.path.find_dir('websocketpp/websocketpp') |
| if not websocketDir: |
| raise Errors.WafError('Not found') |
| |
| versionFile = websocketDir.find_node('version.hpp') |
| if not websocketDir: |
| raise Errors.WafError('WebSocket++ version file not found') |
| |
| try: |
| txt = versionFile.read() |
| except (OSError, IOError): |
| raise Errors.WafError('Cannot read WebSocket++ version file') |
| |
| version = [None, None, None] |
| # Looking for the following: |
| # static int const major_version = 0; |
| # static int const minor_version = 7; |
| # static int const patch_version = 0; |
| majorVersion = re.compile('^static int const major_version = (\\d+);$', re.M) |
| version[0] = majorVersion.search(txt) |
| minorVersion = re.compile('^static int const minor_version = (\\d+);$', re.M) |
| version[1] = minorVersion.search(txt) |
| patchVersion = re.compile('^static int const patch_version = (\\d+);$', re.M) |
| version[2] = patchVersion.search(txt) |
| |
| if not version[0] or not version[1] or not version[2]: |
| raise Errors.WafError('Cannot detect WebSocket++ version') |
| |
| self.env.WEBSOCKET_VERSION = [i.group(1) for i in version] |
| |
| # todo: version checking, if necessary |
| |
| self.end_msg('.'.join(self.env.WEBSOCKET_VERSION)) |
| |
| self.env.INCLUDES_WEBSOCKET = websocketDir.parent.abspath() |
| self.env.HAVE_WEBSOCKET = True |
| self.define('HAVE_WEBSOCKET', 1) |
| self.define('_WEBSOCKETPP_CPP11_STL_', 1) |
| |
| except Errors.WafError as error: |
| if isMandatory: |
| self.end_msg(str(error), color='RED') |
| Logs.warn('If you are using NFD from the git repository, checkout the websocketpp submodule: ') |
| Logs.warn(' git submodule update --init') |
| Logs.warn('Otherwise, manually download and extract the websocketpp library:') |
| Logs.warn(' mkdir -p websocketpp') |
| Logs.warn(' curl -L https://github.com/zaphoyd/websocketpp/archive/0.8.1.tar.gz > websocketpp.tar.gz') |
| Logs.warn(' tar xf websocketpp.tar.gz -C websocketpp/ --strip 1') |
| Logs.warn('Alternatively, WebSocket support can be disabled with --without-websocket') |
| self.fatal('WebSocket++ not found') |
| else: |
| self.end_msg(str(error)) |