# Copyright 2015 The Meson development team # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # http://www.apache.org/licenses/LICENSE-2.0 # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import dependencies, mlog import os, subprocess import build from coredata import MesonException import xml.etree.ElementTree as ET class Qt4Module(): def __init__(self): mlog.log('Detecting Qt tools.') # The binaries have different names on different # distros. Joy. self.moc = dependencies.ExternalProgram('moc-qt4', silent=True) if not self.moc.found(): self.moc = dependencies.ExternalProgram('moc', silent=True) self.uic = dependencies.ExternalProgram('uic-qt4', silent=True) if not self.uic.found(): self.uic = dependencies.ExternalProgram('uic', silent=True) self.rcc = dependencies.ExternalProgram('rcc-qt4', silent=True) if not self.rcc.found(): self.rcc = dependencies.ExternalProgram('rcc', silent=True) # Moc, uic and rcc write their version strings to stderr. # Moc and rcc return a non-zero result when doing so. # What kind of an idiot thought that was a good idea? if self.moc.found(): mp = subprocess.Popen(self.moc.get_command() + ['-v'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) (stdout, stderr) = mp.communicate() stdout = stdout.decode().strip() stderr = stderr.decode().strip() if 'Qt Meta' in stderr: moc_ver = stderr else: raise MesonException('Moc preprocessor is not for Qt 4. Output:\n%s\n%s' % (stdout, stderr)) mlog.log(' moc:', mlog.green('YES'), '(%s, %s)' % \ (' '.join(self.moc.fullpath), moc_ver.split()[-1])) else: mlog.log(' moc:', mlog.red('NO')) if self.uic.found(): up = subprocess.Popen(self.uic.get_command() + ['-v'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) (stdout, stderr) = up.communicate() stdout = stdout.decode().strip() stderr = stderr.decode().strip() if 'version 4.' in stderr: uic_ver = stderr else: raise MesonException('Uic compiler is not for Qt4. Output:\n%s\n%s' % (stdout, stderr)) mlog.log(' uic:', mlog.green('YES'), '(%s, %s)' % \ (' '.join(self.uic.fullpath), uic_ver.split()[-1])) else: mlog.log(' uic:', mlog.red('NO')) if self.rcc.found(): rp = subprocess.Popen(self.rcc.get_command() + ['-v'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) (stdout, stderr) = rp.communicate() stdout = stdout.decode().strip() stderr = stderr.decode().strip() if 'version 4.' in stderr: rcc_ver = stderr else: raise MesonException('Rcc compiler is not for Qt 4. Output:\n%s\n%s' % (stdout, stderr)) mlog.log(' rcc:', mlog.green('YES'), '(%s, %s)'\ % (' '.join(self.rcc.fullpath), rcc_ver.split()[-1])) else: mlog.log(' rcc:', mlog.red('NO')) def parse_qrc(self, state, fname): abspath = os.path.join(state.environment.source_dir, state.subdir, fname) relative_part = os.path.split(fname)[0] try: tree = ET.parse(abspath) root = tree.getroot() result = [] for child in root[0]: if child.tag != 'file': mlog.log("Warning, malformed rcc file: ", os.path.join(state.subdir, fname)) break else: result.append(os.path.join(state.subdir, relative_part, child.text)) return result except Exception: return [] def preprocess(self, state, args, kwargs): rcc_files = kwargs.pop('qresources', []) if not isinstance(rcc_files, list): rcc_files = [rcc_files] ui_files = kwargs.pop('ui_files', []) if not isinstance(ui_files, list): ui_files = [ui_files] moc_headers = kwargs.pop('moc_headers', []) if not isinstance(moc_headers, list): moc_headers = [moc_headers] moc_sources = kwargs.pop('moc_sources', []) if not isinstance(moc_sources, list): moc_sources = [moc_sources] srctmp = kwargs.pop('sources', []) if not isinstance(srctmp, list): srctmp = [srctmp] sources = args[1:] + srctmp if len(rcc_files) > 0: rcc_kwargs = {'output' : '@BASENAME@.cpp', 'arguments' : ['@INPUT@', '-o', '@OUTPUT@']} rcc_gen = build.Generator([self.rcc], rcc_kwargs) rcc_output = build.GeneratedList(rcc_gen) qrc_deps = [] for i in rcc_files: qrc_deps += self.parse_qrc(state, i) rcc_output.extra_depends = qrc_deps [rcc_output.add_file(os.path.join(state.subdir, a)) for a in rcc_files] sources.append(rcc_output) if len(ui_files) > 0: ui_kwargs = {'output' : 'ui_@BASENAME@.h', 'arguments' : ['-o', '@OUTPUT@', '@INPUT@']} ui_gen = build.Generator([self.uic], ui_kwargs) ui_output = build.GeneratedList(ui_gen) [ui_output.add_file(os.path.join(state.subdir, a)) for a in ui_files] sources.append(ui_output) if len(moc_headers) > 0: moc_kwargs = {'output' : 'moc_@BASENAME@.cpp', 'arguments' : ['@INPUT@', '-o', '@OUTPUT@']} moc_gen = build.Generator([self.moc], moc_kwargs) moc_output = build.GeneratedList(moc_gen) [moc_output.add_file(os.path.join(state.subdir, a)) for a in moc_headers] sources.append(moc_output) if len(moc_sources) > 0: moc_kwargs = {'output' : '@BASENAME@.moc', 'arguments' : ['@INPUT@', '-o', '@OUTPUT@']} moc_gen = build.Generator([self.moc], moc_kwargs) moc_output = build.GeneratedList(moc_gen) [moc_output.add_file(os.path.join(state.subdir, a)) for a in moc_sources] sources.append(moc_output) return sources def initialize(): mlog.log('Warning, rcc dependencies will not work properly until this upstream issue is fixed:', mlog.bold('https://bugreports.qt.io/browse/QTBUG-45460')) return Qt4Module()