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Diffstat (limited to 'extras/gdbus.py')
-rw-r--r-- | extras/gdbus.py | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/extras/gdbus.py b/extras/gdbus.py new file mode 100644 index 00000000..0e0476e3 --- /dev/null +++ b/extras/gdbus.py @@ -0,0 +1,87 @@ +#!/usr/bin/env python +# encoding: utf-8 +# Copyright Garmin International or its subsidiaries, 2018 +# +# Heavily based on dbus.py + +""" +Compiles dbus files with **gdbus-codegen** +Typical usage:: + def options(opt): + opt.load('compiler_c gdbus') + def configure(conf): + conf.load('compiler_c gdbus') + def build(bld): + tg = bld.program( + includes = '.', + source = bld.path.ant_glob('*.c'), + target = 'gnome-hello') + tg.add_gdbus_file('test.xml', 'com.example.example.', 'Example') +""" + +from waflib import Task, Errors, Utils +from waflib.TaskGen import taskgen_method, before_method + +@taskgen_method +def add_gdbus_file(self, filename, prefix, namespace, export=False): + """ + Adds a dbus file to the list of dbus files to process. Store them in the attribute *dbus_lst*. + :param filename: xml file to compile + :type filename: string + :param prefix: interface prefix (--interface-prefix=prefix) + :type prefix: string + :param mode: C namespace (--c-namespace=namespace) + :type mode: string + :param export: Export Headers? + :type export: boolean + """ + if not hasattr(self, 'gdbus_lst'): + self.gdbus_lst = [] + if not 'process_gdbus' in self.meths: + self.meths.append('process_gdbus') + self.gdbus_lst.append([filename, prefix, namespace, export]) + +@before_method('process_source') +def process_gdbus(self): + """ + Processes the dbus files stored in the attribute *gdbus_lst* to create :py:class:`gdbus_binding_tool` instances. + """ + output_node = self.path.get_bld().make_node(['gdbus', self.get_name()]) + sources = [] + + for filename, prefix, namespace, export in getattr(self, 'gdbus_lst', []): + node = self.path.find_resource(filename) + if not node: + raise Errors.WafError('file not found ' + filename) + c_file = output_node.find_or_declare(node.change_ext('.c').name) + h_file = output_node.find_or_declare(node.change_ext('.h').name) + tsk = self.create_task('gdbus_binding_tool', node, [c_file, h_file]) + tsk.cwd = output_node.abspath() + + tsk.env.GDBUS_CODEGEN_INTERFACE_PREFIX = prefix + tsk.env.GDBUS_CODEGEN_NAMESPACE = namespace + tsk.env.GDBUS_CODEGEN_OUTPUT = node.change_ext('').name + sources.append(c_file) + + if sources: + output_node.mkdir() + self.source = Utils.to_list(self.source) + sources + self.includes = [output_node] + self.to_incnodes(getattr(self, 'includes', [])) + if export: + self.export_includes = [output_node] + self.to_incnodes(getattr(self, 'export_includes', [])) + +class gdbus_binding_tool(Task.Task): + """ + Compiles a dbus file + """ + color = 'BLUE' + ext_out = ['.h', '.c'] + 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()}' + shell = True + +def configure(conf): + """ + Detects the program gdbus-codegen and sets ``conf.env.GDBUS_CODEGEN`` + """ + conf.find_program('gdbus-codegen', var='GDBUS_CODEGEN') + |