gdbus.py (2906B)
1 #!/usr/bin/env python 2 # encoding: utf-8 3 # Copyright Garmin International or its subsidiaries, 2018 4 # 5 # Heavily based on dbus.py 6 7 """ 8 Compiles dbus files with **gdbus-codegen** 9 Typical usage:: 10 def options(opt): 11 opt.load('compiler_c gdbus') 12 def configure(conf): 13 conf.load('compiler_c gdbus') 14 def build(bld): 15 tg = bld.program( 16 includes = '.', 17 source = bld.path.ant_glob('*.c'), 18 target = 'gnome-hello') 19 tg.add_gdbus_file('test.xml', 'com.example.example.', 'Example') 20 """ 21 22 from waflib import Task, Errors, Utils 23 from waflib.TaskGen import taskgen_method, before_method 24 25 @taskgen_method 26 def add_gdbus_file(self, filename, prefix, namespace, export=False): 27 """ 28 Adds a dbus file to the list of dbus files to process. Store them in the attribute *dbus_lst*. 29 :param filename: xml file to compile 30 :type filename: string 31 :param prefix: interface prefix (--interface-prefix=prefix) 32 :type prefix: string 33 :param mode: C namespace (--c-namespace=namespace) 34 :type mode: string 35 :param export: Export Headers? 36 :type export: boolean 37 """ 38 if not hasattr(self, 'gdbus_lst'): 39 self.gdbus_lst = [] 40 if not 'process_gdbus' in self.meths: 41 self.meths.append('process_gdbus') 42 self.gdbus_lst.append([filename, prefix, namespace, export]) 43 44 @before_method('process_source') 45 def process_gdbus(self): 46 """ 47 Processes the dbus files stored in the attribute *gdbus_lst* to create :py:class:`gdbus_binding_tool` instances. 48 """ 49 output_node = self.path.get_bld().make_node(['gdbus', self.get_name()]) 50 sources = [] 51 52 for filename, prefix, namespace, export in getattr(self, 'gdbus_lst', []): 53 node = self.path.find_resource(filename) 54 if not node: 55 raise Errors.WafError('file not found ' + filename) 56 c_file = output_node.find_or_declare(node.change_ext('.c').name) 57 h_file = output_node.find_or_declare(node.change_ext('.h').name) 58 tsk = self.create_task('gdbus_binding_tool', node, [c_file, h_file]) 59 tsk.cwd = output_node.abspath() 60 61 tsk.env.GDBUS_CODEGEN_INTERFACE_PREFIX = prefix 62 tsk.env.GDBUS_CODEGEN_NAMESPACE = namespace 63 tsk.env.GDBUS_CODEGEN_OUTPUT = node.change_ext('').name 64 sources.append(c_file) 65 66 if sources: 67 output_node.mkdir() 68 self.source = Utils.to_list(self.source) + sources 69 self.includes = [output_node] + self.to_incnodes(getattr(self, 'includes', [])) 70 if export: 71 self.export_includes = [output_node] + self.to_incnodes(getattr(self, 'export_includes', [])) 72 73 class gdbus_binding_tool(Task.Task): 74 """ 75 Compiles a dbus file 76 """ 77 color = 'BLUE' 78 ext_out = ['.h', '.c'] 79 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()}' 80 shell = True 81 82 def configure(conf): 83 """ 84 Detects the program gdbus-codegen and sets ``conf.env.GDBUS_CODEGEN`` 85 """ 86 conf.find_program('gdbus-codegen', var='GDBUS_CODEGEN') 87