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88 lines
2.8 KiB
Python
88 lines
2.8 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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# Copyright Garmin International or its subsidiaries, 2018
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#
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# Heavily based on dbus.py
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"""
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Compiles dbus files with **gdbus-codegen**
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Typical usage::
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def options(opt):
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opt.load('compiler_c gdbus')
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def configure(conf):
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conf.load('compiler_c gdbus')
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def build(bld):
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tg = bld.program(
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includes = '.',
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source = bld.path.ant_glob('*.c'),
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target = 'gnome-hello')
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tg.add_gdbus_file('test.xml', 'com.example.example.', 'Example')
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"""
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from waflib import Task, Errors, Utils
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from waflib.TaskGen import taskgen_method, before_method
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@taskgen_method
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def add_gdbus_file(self, filename, prefix, namespace, export=False):
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"""
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Adds a dbus file to the list of dbus files to process. Store them in the attribute *dbus_lst*.
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:param filename: xml file to compile
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:type filename: string
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:param prefix: interface prefix (--interface-prefix=prefix)
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:type prefix: string
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:param mode: C namespace (--c-namespace=namespace)
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:type mode: string
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:param export: Export Headers?
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:type export: boolean
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"""
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if not hasattr(self, 'gdbus_lst'):
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self.gdbus_lst = []
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if not 'process_gdbus' in self.meths:
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self.meths.append('process_gdbus')
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self.gdbus_lst.append([filename, prefix, namespace, export])
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@before_method('process_source')
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def process_gdbus(self):
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"""
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Processes the dbus files stored in the attribute *gdbus_lst* to create :py:class:`gdbus_binding_tool` instances.
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"""
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output_node = self.path.get_bld().make_node(['gdbus', self.get_name()])
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sources = []
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for filename, prefix, namespace, export in getattr(self, 'gdbus_lst', []):
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node = self.path.find_resource(filename)
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if not node:
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raise Errors.WafError('file not found ' + filename)
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c_file = output_node.find_or_declare(node.change_ext('.c').name)
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h_file = output_node.find_or_declare(node.change_ext('.h').name)
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tsk = self.create_task('gdbus_binding_tool', node, [c_file, h_file])
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tsk.cwd = output_node.abspath()
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tsk.env.GDBUS_CODEGEN_INTERFACE_PREFIX = prefix
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tsk.env.GDBUS_CODEGEN_NAMESPACE = namespace
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tsk.env.GDBUS_CODEGEN_OUTPUT = node.change_ext('').name
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sources.append(c_file)
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if sources:
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output_node.mkdir()
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self.source = Utils.to_list(self.source) + sources
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self.includes = [output_node] + self.to_incnodes(getattr(self, 'includes', []))
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if export:
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self.export_includes = [output_node] + self.to_incnodes(getattr(self, 'export_includes', []))
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class gdbus_binding_tool(Task.Task):
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"""
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Compiles a dbus file
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"""
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color = 'BLUE'
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ext_out = ['.h', '.c']
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run_str = '${GDBUS_CODEGEN} --interface-prefix ${GDBUS_CODEGEN_INTERFACE_PREFIX} --generate-c-code ${GDBUS_CODEGEN_OUTPUT} --c-namespace ${GDBUS_CODEGEN_NAMESPACE} --c-generate-object-manager ${SRC[0].abspath()}'
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shell = True
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def configure(conf):
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"""
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Detects the program gdbus-codegen and sets ``conf.env.GDBUS_CODEGEN``
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"""
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conf.find_program('gdbus-codegen', var='GDBUS_CODEGEN')
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