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120 lines
4.3 KiB
120 lines
4.3 KiB
# Copyright 2022 Mark Bolhuis <mark@bolhuis.dev> |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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import os |
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from . import ExtensionModule, ModuleReturnValue |
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from ..build import CustomTarget |
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from ..interpreter.type_checking import NoneType, in_set_validator |
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from ..interpreterbase import FeatureNew, typed_pos_args, typed_kwargs, KwargInfo |
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from ..mesonlib import File, MesonException, MachineChoice |
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class WaylandModule(ExtensionModule): |
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@FeatureNew('wayland module', '0.62.0') |
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def __init__(self, interpreter): |
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super().__init__(interpreter) |
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self.protocols_dep = None |
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self.pkgdatadir = None |
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self.scanner_bin = None |
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self.methods.update({ |
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'scan_xml': self.scan_xml, |
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'find_protocol': self.find_protocol, |
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}) |
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@typed_pos_args('wayland.scan_xml', varargs=(str, File), min_varargs=1) |
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@typed_kwargs( |
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'wayland.scan_xml', |
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KwargInfo('side', str, default='client', validator=in_set_validator({'client', 'server'})), |
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KwargInfo('scope', str, default='private', validator=in_set_validator({'private', 'public'})), |
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) |
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def scan_xml(self, state, args, kwargs): |
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if self.scanner_bin is None: |
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self.scanner_bin = state.find_program('wayland-scanner', for_machine=MachineChoice.BUILD) |
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scope = kwargs['scope'] |
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side = kwargs['side'] |
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xml_files = self.interpreter.source_strings_to_files(args[0]) |
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targets = [] |
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for xml_file in xml_files: |
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name = os.path.splitext(os.path.basename(xml_file.fname))[0] |
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code = CustomTarget( |
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f'{name}-protocol', |
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state.subdir, |
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state.subproject, |
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[self.scanner_bin, f'{scope}-code', '@INPUT@', '@OUTPUT@'], |
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[xml_file], |
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[f'{name}-protocol.c'], |
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backend=state.backend, |
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) |
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targets.append(code) |
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header = CustomTarget( |
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f'{name}-{side}-protocol', |
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state.subdir, |
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state.subproject, |
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[self.scanner_bin, f'{side}-header', '@INPUT@', '@OUTPUT@'], |
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[xml_file], |
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[f'{name}-{side}-protocol.h'], |
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backend=state.backend, |
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) |
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targets.append(header) |
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return ModuleReturnValue(targets, targets) |
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@typed_pos_args('wayland.find_protocol', str) |
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@typed_kwargs( |
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'wayland.find_protocol', |
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KwargInfo('state', str, default='stable', validator=in_set_validator({'stable', 'staging', 'unstable'})), |
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KwargInfo('version', (int, NoneType)), |
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) |
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def find_protocol(self, state, args, kwargs): |
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base_name = args[0] |
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xml_state = kwargs['state'] |
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version = kwargs['version'] |
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if xml_state != 'stable' and version is None: |
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raise MesonException(f'{xml_state} protocols require a version number.') |
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if xml_state == 'stable' and version is not None: |
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raise MesonException('stable protocols do not require a version number.') |
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if self.protocols_dep is None: |
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self.protocols_dep = self.interpreter.func_dependency(state.current_node, ['wayland-protocols'], {}) |
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if self.pkgdatadir is None: |
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self.pkgdatadir = self.protocols_dep.get_variable(pkgconfig='pkgdatadir', internal='pkgdatadir') |
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if xml_state == 'stable': |
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xml_name = f'{base_name}.xml' |
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elif xml_state == 'staging': |
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xml_name = f'{base_name}-v{version}.xml' |
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else: |
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xml_name = f'{base_name}-unstable-v{version}.xml' |
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path = os.path.join(self.pkgdatadir, xml_state, base_name, xml_name) |
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if not os.path.exists(path): |
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raise MesonException(f'The file {path} does not exist.') |
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return File.from_absolute_file(path) |
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def initialize(interpreter): |
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return WaylandModule(interpreter)
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