+++ /dev/null
-#!/usr/bin/env python
-#
-# Copyright (c) 2016 Cisco and/or its affiliates.
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at:
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import os
-from string import Template
-
-import util
-import jni_gen
-import dto_gen
-
-type_template = Template("""
-package $plugin_package.$type_package;
-
-/**
- * <p>This class represents $c_type_name type definition.
- * <br>It was generated by types_gen.py based on $inputfile preparsed data:
- * <pre>
-$docs
- * </pre>
- */
-public final class $java_type_name {
-$fields
-$methods
-}
-""")
-
-field_template = Template(""" public $type $name;\n""")
-
-
-def generate_type_fields(type_definition):
- """
- Generates fields for class representing typeonly definition
- :param type_definition: python representation of typeonly definition
- :return: string representing class fields
- """
- fields = ""
- for t in zip(type_definition['types'], type_definition['args']):
- field_name = util.underscore_to_camelcase(t[1])
- fields += field_template.substitute(type=util.jni_2_java_type_mapping[t[0]],
- name=field_name)
- return fields
-
-object_struct_setter_template = Template("""
- {
- jclass ${field_reference_name}Class = (*env)->FindClass(env, "${class_FQN}");
- memset (&(mp->${c_name}), 0, sizeof (mp->${c_name}));
- ${struct_initialization}
- }
-""")
-
-object_array_struct_setter_template = Template("""
- {
- jclass ${field_reference_name}ArrayElementClass = (*env)->FindClass(env, "${class_FQN}");
- if (${field_reference_name}) {
- size_t _i;
- jsize cnt = (*env)->GetArrayLength (env, ${field_reference_name});
- ${field_length_check}
- for (_i = 0; _i < cnt; _i++) {
- jobject ${field_reference_name}ArrayElement = (*env)->GetObjectArrayElement(env, ${field_reference_name}, _i);
- memset (&(mp->${c_name}[_i]), 0, sizeof (mp->${c_name}[_i]));
- ${struct_initialization}
- }
- }
- }
-""")
-
-object_dto_field_setter_template = Template("""
- {
- jclass ${field_reference_name}Class = (*env)->FindClass(env, "${class_FQN}");
- jmethodID ${field_reference_name}Constructor = (*env)->GetMethodID(env, ${field_reference_name}Class, "<init>", "()V");
- jobject ${field_reference_name} = (*env)->NewObject(env, ${field_reference_name}Class, ${field_reference_name}Constructor);
- ${type_initialization}
- (*env)->SetObjectField(env, dto, ${field_reference_name}FieldId, ${field_reference_name});
- }
-""")
-
-object_array_dto_field_setter_template = Template("""
- {
- jclass ${field_reference_name}Class = (*env)->FindClass(env, "${class_FQN}");
- jobjectArray ${field_reference_name} = (*env)->NewObjectArray(env, ${field_length}, ${field_reference_name}Class, 0);
- unsigned int _i;
- for (_i = 0; _i < ${field_length}; _i++) {
- jmethodID ${field_reference_name}Constructor = (*env)->GetMethodID(env, ${field_reference_name}Class, "<init>", "()V");
- jobject ${field_reference_name}ArrayElement = (*env)->NewObject(env, ${field_reference_name}Class, ${field_reference_name}Constructor);
- ${type_initialization}
- (*env)->SetObjectArrayElement(env, ${field_reference_name}, _i, ${field_reference_name}ArrayElement);
- }
- (*env)->SetObjectField(env, dto, ${field_reference_name}FieldId, ${field_reference_name});
- }
-""")
-
-
-def generate_struct_initialization(type_def, c_name_prefix, object_name, indent):
- struct_initialization = ""
- # field identifiers
- for t in zip(type_def['types'], type_def['args'], type_def['lengths']):
- field_reference_name = "${c_name}" + util.underscore_to_camelcase_upper(t[1])
- field_name = util.underscore_to_camelcase(t[1])
- struct_initialization += jni_gen.jni_request_binding_for_type(field_type=t[0], c_name=c_name_prefix + t[1],
- field_reference_name=field_reference_name,
- field_name=field_name,
- field_length=t[2][0],
- is_variable_len_array=t[2][1],
- object_name=object_name)
- return indent + struct_initialization.replace('\n', '\n' + indent)
-
-
-def generate_type_setter(handler_name, type_def, c_name_prefix, object_name, indent):
- type_initialization = ""
- for t in zip(type_def['types'], type_def['args'], type_def['lengths']):
- field_length = t[2][0]
- is_variable_len_array = t[2][1]
- length_field_type = None
- if is_variable_len_array:
- length_field_type = type_def['types'][type_def['args'].index(field_length)]
- type_initialization += jni_gen.jni_reply_handler_for_type(handler_name=handler_name,
- ref_name="${field_reference_name}",
- field_type=t[0], c_name=c_name_prefix + t[1],
- field_reference_name="${c_name}" + util.underscore_to_camelcase_upper(t[1]),
- field_name=util.underscore_to_camelcase(t[1]),
- field_length=field_length,
- is_variable_len_array=is_variable_len_array,
- length_field_type=length_field_type,
- object_name=object_name)
- return indent + type_initialization.replace('\n', '\n' + indent)
-
-
-def generate_types(types_list, plugin_package, types_package, inputfile):
- """
- Generates Java representation of custom types defined in api file.
- """
-
- #
- if not types_list:
- print "Skipping custom types generation (%s does not define custom types)." % inputfile
- return
-
- print "Generating custom types"
-
- if not os.path.exists(types_package):
- raise Exception("%s folder is missing" % types_package)
-
- for type in types_list:
- c_type_name = type['name']
- java_type_name = util.underscore_to_camelcase_upper(type['name'])
- dto_path = os.path.join(types_package, java_type_name + ".java")
-
- fields = generate_type_fields(type)
-
- dto_file = open(dto_path, 'w')
- dto_file.write(type_template.substitute(plugin_package=plugin_package,
- type_package=types_package,
- c_type_name=c_type_name,
- inputfile=inputfile,
- docs=util.api_message_to_javadoc(type),
- java_type_name=java_type_name,
- fields=fields,
- methods=dto_gen.generate_dto_base_methods(java_type_name, type)
- ))
-
- # update type mappings:
- # todo fix vpe.api to use type_name instead of vl_api_type_name_t
- type_name = "vl_api_" + c_type_name + "_t"
- java_fqn = "%s.%s.%s" % (plugin_package, types_package, java_type_name)
- util.vpp_2_jni_type_mapping[type_name] = "jobject"
- util.vpp_2_jni_type_mapping[type_name + "[]"] = "jobjectArray"
- util.jni_2_java_type_mapping[type_name] = java_fqn
- util.jni_2_java_type_mapping[type_name + "[]"] = java_fqn + "[]"
- jni_name = java_fqn.replace('.', "/")
- jni_signature = "L" + jni_name + ";"
- util.jni_2_signature_mapping[type_name] = "L" + jni_name + ";"
- util.jni_2_signature_mapping[type_name + "[]"] = "[" + jni_signature
- util.jni_field_accessors[type_name] = "ObjectField"
- util.jni_field_accessors[type_name + "[]"] = "ObjectField"
-
- jni_gen.struct_setter_templates[type_name] = Template(
- object_struct_setter_template.substitute(
- c_name="${c_name}",
- field_reference_name="${field_reference_name}",
- class_FQN=jni_name,
- struct_initialization=generate_struct_initialization(type, "${c_name}.",
- "${field_reference_name}", ' ' * 4))
- )
-
- jni_gen.struct_setter_templates[type_name+ "[]"] = Template(
- object_array_struct_setter_template.substitute(
- c_name="${c_name}",
- field_reference_name="${field_reference_name}",
- field_length_check="${field_length_check}",
- class_FQN=jni_name,
- struct_initialization=generate_struct_initialization(type, "${c_name}[_i].",
- "${field_reference_name}ArrayElement", ' ' * 8))
- )
-
- jni_gen.dto_field_setter_templates[type_name] = Template(
- object_dto_field_setter_template.substitute(
- field_reference_name="${field_reference_name}",
- field_length="${field_length}",
- class_FQN=jni_name,
- type_initialization=generate_type_setter(c_type_name, type, "${c_name}.",
- "${field_reference_name}", ' ' * 4))
- )
-
- jni_gen.dto_field_setter_templates[type_name + "[]"] = Template(
- object_array_dto_field_setter_template.substitute(
- field_reference_name="${field_reference_name}",
- field_length="${field_length}",
- class_FQN=jni_name,
- type_initialization=generate_type_setter(c_type_name, type, "${c_name}[_i].",
- "${field_reference_name}ArrayElement", ' ' * 8))
- )
-
- dto_file.flush()
- dto_file.close()
-
Code Review / vpp.git / blobdiff