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Check validity of the native pointer in the python wrapper.

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This commit is contained in:
Ghislain MARY 2014-07-09 16:02:01 +02:00
parent 1661ea383a
commit a200ccbc76
1 changed files with 33 additions and 8 deletions
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41
tools/python/apixml2python/linphone.py
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@ -23,10 +23,12 @@ class MethodDefinition:
self.return_type = 'void'
self.method_node = method_node
self.class_ = class_
self.self_arg = None
self.xml_method_return = self.method_node.find('./return')
self.xml_method_args = self.method_node.findall('./arguments/argument')
self.method_type = self.method_node.tag
if self.method_type != 'classmethod':
self.self_arg = self.xml_method_args[0]
self.xml_method_args = self.xml_method_args[1:]
def format_local_variables_definition(self):
@ -37,36 +39,59 @@ class MethodDefinition:
if self.build_value_format == 'O':
self.body += "\tPyObject * pyresult;\n"
self.body += "\tPyObject * pyret;\n"
if self.self_arg is not None:
self.body += "\t" + self.self_arg.get('type') + "native_ptr;\n"
for xml_method_arg in self.xml_method_args:
self.parse_tuple_format += self.__ctype_to_python_format(xml_method_arg.get('type'))
self.body += "\t" + xml_method_arg.get('type') + " " + xml_method_arg.get('name') + ";\n"
self.arg_names.append(xml_method_arg.get('name'))
def format_native_pointer_checking(self, return_int):
self.body += "\tnative_ptr = pylinphone_" + self.class_['class_name'] + "_get_native_ptr(self);\n"
self.body += "\tif(native_ptr == NULL) {\n"
self.body += "\t\tPyErr_SetString(PyExc_TypeError, \"Invalid " + self.class_['class_name'] + " instance\");\n"
if return_int:
self.body += "\t\treturn -1;\n"
else:
self.body += "\t\treturn NULL;\n"
self.body += "\t}\n"
def format_arguments_parsing(self):
if self.self_arg is not None:
self.format_native_pointer_checking(False)
if len(self.arg_names) > 0:
self.body += "\n\tif (!PyArg_ParseTuple(args, \"" + self.parse_tuple_format + "\""
self.body += "\tif (!PyArg_ParseTuple(args, \"" + self.parse_tuple_format + "\""
self.body += ', ' + ', '.join(map(lambda a: '&' + a, self.arg_names))
self.body += ")) {\n\t\treturn NULL;\n\t}\n\n"
self.body += ")) {\n\t\treturn NULL;\n\t}\n"
def format_setter_value_checking_and_c_function_call(self):
self.body += "\n\tif (value == NULL) {\n"
# Check the native pointer
self.format_native_pointer_checking(True)
self.body += "\tnative_ptr = pylinphone_" + self.class_['class_name'] + "_get_native_ptr(self);\n"
self.body += "\tif(native_ptr == NULL) {\n"
self.body += "\t\tPyErr_SetString(PyExc_TypeError, \"Invalid " + self.class_['class_name'] + " instance\");\n"
self.body += "\t\treturn -1;\n"
self.body += "\t}\n"
# Check that the value exists
self.body += "\tif (value == NULL) {\n"
self.body += "\t\tPyErr_SetString(PyExc_TypeError, \"Cannot delete this attribute\");\n"
self.body += "\t\treturn -1;\n"
self.body += "\t}\n"
# Check the value
basic_type, checkfunc, convertfunc = self.__ctype_to_python_type(self.xml_method_args[0].get('type'))
self.body += "\n\tif (!" + checkfunc + "(value)) {\n"
self.body += "\tif (!" + checkfunc + "(value)) {\n"
self.body += "\t\tPyErr_SetString(PyExc_TypeError, \"This attribute value must be a " + basic_type + "\");\n"
self.body += "\t\treturn -1;\n"
self.body += "\t}\n\n"
self.body += "\t}\n"
# Call the C function
if convertfunc is None:
pass # TODO
else:
self.body += "\t" + self.arg_names[0] + " = (" + self.xml_method_args[0].get('type') + ")" + convertfunc + "(value);\n"
self.body += "\t" + self.method_node.get('name') + "("
self.body += "pylinphone_" + self.class_['class_name'] + "_get_native_ptr(self), " + self.arg_names[0] + ");\n"
self.body += "\t" + self.method_node.get('name') + "(native_ptr, " + self.arg_names[0] + ");"
def format_tracing(self):
self.body += "\tpylinphone_trace(__FUNCTION__);\n\n"
self.body += "\tpylinphone_trace(__FUNCTION__);\n"
def format_c_function_call(self):
self.body += "\t"