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#!/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')
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