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def.c
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def.c
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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <php.h>
#include <Zend/zend_exceptions.h>
#include "protobuf.h"
#include "builtin_descriptors.inc"
// Forward declare.
static void descriptor_init_c_instance(Descriptor* intern TSRMLS_DC);
static void descriptor_free_c(Descriptor* object TSRMLS_DC);
static void field_descriptor_init_c_instance(FieldDescriptor* intern TSRMLS_DC);
static void field_descriptor_free_c(FieldDescriptor* object TSRMLS_DC);
static void enum_descriptor_init_c_instance(EnumDescriptor* intern TSRMLS_DC);
static void enum_descriptor_free_c(EnumDescriptor* object TSRMLS_DC);
static void enum_value_descriptor_init_c_instance(
EnumValueDescriptor *intern TSRMLS_DC);
static void enum_value_descriptor_free_c(EnumValueDescriptor *object TSRMLS_DC);
static void descriptor_pool_free_c(DescriptorPool* object TSRMLS_DC);
static void descriptor_pool_init_c_instance(DescriptorPool* pool TSRMLS_DC);
static void internal_descriptor_pool_free_c(
InternalDescriptorPool *object TSRMLS_DC);
static void internal_descriptor_pool_init_c_instance(
InternalDescriptorPool *pool TSRMLS_DC);
static void oneof_descriptor_free_c(Oneof* object TSRMLS_DC);
static void oneof_descriptor_init_c_instance(Oneof* pool TSRMLS_DC);
// -----------------------------------------------------------------------------
// Common Utilities
// -----------------------------------------------------------------------------
static void check_upb_status(const upb_status* status, const char* msg) {
if (!upb_ok(status)) {
zend_error(E_ERROR, "%s: %s\n", msg, upb_status_errmsg(status));
}
}
// -----------------------------------------------------------------------------
// GPBType
// -----------------------------------------------------------------------------
zend_class_entry* gpb_type_type;
static zend_function_entry gpb_type_methods[] = {
ZEND_FE_END
};
void gpb_type_init(TSRMLS_D) {
zend_class_entry class_type;
INIT_CLASS_ENTRY(class_type, "Google\\Protobuf\\Internal\\GPBType",
gpb_type_methods);
gpb_type_type = zend_register_internal_class(&class_type TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("DOUBLE"), 1 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("FLOAT"), 2 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("INT64"), 3 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("UINT64"), 4 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("INT32"), 5 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("FIXED64"), 6 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("FIXED32"), 7 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("BOOL"), 8 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("STRING"), 9 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("GROUP"), 10 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("MESSAGE"), 11 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("BYTES"), 12 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("UINT32"), 13 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("ENUM"), 14 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("SFIXED32"),
15 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("SFIXED64"),
16 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("SINT32"), 17 TSRMLS_CC);
zend_declare_class_constant_long(gpb_type_type, STR("SINT64"), 18 TSRMLS_CC);
}
// -----------------------------------------------------------------------------
// Descriptor
// -----------------------------------------------------------------------------
static zend_function_entry descriptor_methods[] = {
PHP_ME(Descriptor, getClass, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Descriptor, getFullName, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Descriptor, getField, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Descriptor, getFieldCount, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Descriptor, getOneofDecl, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Descriptor, getOneofDeclCount, NULL, ZEND_ACC_PUBLIC)
ZEND_FE_END
};
DEFINE_CLASS(Descriptor, descriptor, "Google\\Protobuf\\Descriptor");
static void descriptor_free_c(Descriptor *self TSRMLS_DC) {
}
static void descriptor_init_c_instance(Descriptor *desc TSRMLS_DC) {
desc->intern = NULL;
}
PHP_METHOD(Descriptor, getClass) {
Descriptor* desc = UNBOX(Descriptor, getThis());
DescriptorInternal* intern = desc->intern;
register_class(intern, false TSRMLS_CC);
#if PHP_MAJOR_VERSION < 7
const char* classname = intern->klass->name;
#else
const char* classname = ZSTR_VAL(intern->klass->name);
#endif
PHP_PROTO_RETVAL_STRINGL(classname, strlen(classname), 1);
}
PHP_METHOD(Descriptor, getFullName) {
Descriptor* desc = UNBOX(Descriptor, getThis());
DescriptorInternal* intern = desc->intern;
const char* fullname = upb_msgdef_fullname(intern->msgdef);
PHP_PROTO_RETVAL_STRINGL(fullname, strlen(fullname), 1);
}
PHP_METHOD(Descriptor, getField) {
long index;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &index) ==
FAILURE) {
zend_error(E_USER_ERROR, "Expect integer for index.\n");
return;
}
Descriptor* desc = UNBOX(Descriptor, getThis());
DescriptorInternal* intern = desc->intern;
int field_num = upb_msgdef_numfields(intern->msgdef);
if (index < 0 || index >= field_num) {
zend_error(E_USER_ERROR, "Cannot get element at %ld.\n", index);
return;
}
upb_msg_field_iter iter;
int i;
for(upb_msg_field_begin(&iter, intern->msgdef), i = 0;
!upb_msg_field_done(&iter) && i < index;
upb_msg_field_next(&iter), i++);
const upb_fielddef *field = upb_msg_iter_field(&iter);
PHP_PROTO_HASHTABLE_VALUE field_hashtable_value = get_def_obj(field);
if (field_hashtable_value == NULL) {
#if PHP_MAJOR_VERSION < 7
MAKE_STD_ZVAL(field_hashtable_value);
ZVAL_OBJ(field_hashtable_value, field_descriptor_type->create_object(
field_descriptor_type TSRMLS_CC));
Z_DELREF_P(field_hashtable_value);
#else
field_hashtable_value =
field_descriptor_type->create_object(field_descriptor_type TSRMLS_CC);
GC_DELREF(field_hashtable_value);
#endif
FieldDescriptor *field_php =
UNBOX_HASHTABLE_VALUE(FieldDescriptor, field_hashtable_value);
field_php->fielddef = field;
add_def_obj(field, field_hashtable_value);
}
#if PHP_MAJOR_VERSION < 7
RETURN_ZVAL(field_hashtable_value, 1, 0);
#else
GC_ADDREF(field_hashtable_value);
RETURN_OBJ(field_hashtable_value);
#endif
}
PHP_METHOD(Descriptor, getFieldCount) {
Descriptor* desc = UNBOX(Descriptor, getThis());
DescriptorInternal* intern = desc->intern;
RETURN_LONG(upb_msgdef_numfields(intern->msgdef));
}
PHP_METHOD(Descriptor, getOneofDecl) {
long index;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &index) ==
FAILURE) {
zend_error(E_USER_ERROR, "Expect integer for index.\n");
return;
}
Descriptor* desc = UNBOX(Descriptor, getThis());
DescriptorInternal* intern = desc->intern;
int field_num = upb_msgdef_numoneofs(intern->msgdef);
if (index < 0 || index >= field_num) {
zend_error(E_USER_ERROR, "Cannot get element at %ld.\n", index);
return;
}
upb_msg_oneof_iter iter;
int i;
for(upb_msg_oneof_begin(&iter, intern->msgdef), i = 0;
!upb_msg_oneof_done(&iter) && i < index;
upb_msg_oneof_next(&iter), i++);
const upb_oneofdef *oneof = upb_msg_iter_oneof(&iter);
ZVAL_OBJ(return_value, oneof_descriptor_type->create_object(
oneof_descriptor_type TSRMLS_CC));
Oneof *oneof_php = UNBOX(Oneof, return_value);
oneof_php->oneofdef = oneof;
}
PHP_METHOD(Descriptor, getOneofDeclCount) {
Descriptor* desc = UNBOX(Descriptor, getThis());
DescriptorInternal* intern = desc->intern;
RETURN_LONG(upb_msgdef_numoneofs(intern->msgdef));
}
// -----------------------------------------------------------------------------
// EnumDescriptor
// -----------------------------------------------------------------------------
static zend_function_entry enum_descriptor_methods[] = {
PHP_ME(EnumDescriptor, getValue, NULL, ZEND_ACC_PUBLIC)
PHP_ME(EnumDescriptor, getValueCount, NULL, ZEND_ACC_PUBLIC)
ZEND_FE_END
};
DEFINE_CLASS(EnumDescriptor, enum_descriptor,
"Google\\Protobuf\\EnumDescriptor");
static void enum_descriptor_free_c(EnumDescriptor *self TSRMLS_DC) {
}
static void enum_descriptor_init_c_instance(EnumDescriptor *self TSRMLS_DC) {
self->intern = NULL;
}
PHP_METHOD(EnumDescriptor, getValue) {
long index;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &index) ==
FAILURE) {
zend_error(E_USER_ERROR, "Expect integer for index.\n");
return;
}
EnumDescriptor *desc = UNBOX(EnumDescriptor, getThis());
EnumDescriptorInternal *intern = desc->intern;
int field_num = upb_enumdef_numvals(intern->enumdef);
if (index < 0 || index >= field_num) {
zend_error(E_USER_ERROR, "Cannot get element at %ld.\n", index);
return;
}
upb_enum_iter iter;
int i;
for(upb_enum_begin(&iter, intern->enumdef), i = 0;
!upb_enum_done(&iter) && i < index;
upb_enum_next(&iter), i++);
ZVAL_OBJ(return_value, enum_value_descriptor_type->create_object(
enum_value_descriptor_type TSRMLS_CC));
EnumValueDescriptor *enum_value_php =
UNBOX(EnumValueDescriptor, return_value);
enum_value_php->name = upb_enum_iter_name(&iter);
enum_value_php->number = upb_enum_iter_number(&iter);
}
PHP_METHOD(EnumDescriptor, getValueCount) {
EnumDescriptor *desc = UNBOX(EnumDescriptor, getThis());
EnumDescriptorInternal *intern = desc->intern;
RETURN_LONG(upb_enumdef_numvals(intern->enumdef));
}
// -----------------------------------------------------------------------------
// EnumValueDescriptor
// -----------------------------------------------------------------------------
static zend_function_entry enum_value_descriptor_methods[] = {
PHP_ME(EnumValueDescriptor, getName, NULL, ZEND_ACC_PUBLIC)
PHP_ME(EnumValueDescriptor, getNumber, NULL, ZEND_ACC_PUBLIC)
ZEND_FE_END
};
DEFINE_CLASS(EnumValueDescriptor, enum_value_descriptor,
"Google\\Protobuf\\EnumValueDescriptor");
static void enum_value_descriptor_free_c(EnumValueDescriptor *self TSRMLS_DC) {
}
static void enum_value_descriptor_init_c_instance(EnumValueDescriptor *self TSRMLS_DC) {
self->name = NULL;
self->number = 0;
}
PHP_METHOD(EnumValueDescriptor, getName) {
EnumValueDescriptor *intern = UNBOX(EnumValueDescriptor, getThis());
PHP_PROTO_RETVAL_STRINGL(intern->name, strlen(intern->name), 1);
}
PHP_METHOD(EnumValueDescriptor, getNumber) {
EnumValueDescriptor *intern = UNBOX(EnumValueDescriptor, getThis());
RETURN_LONG(intern->number);
}
// -----------------------------------------------------------------------------
// FieldDescriptor
// -----------------------------------------------------------------------------
static zend_function_entry field_descriptor_methods[] = {
PHP_ME(FieldDescriptor, getName, NULL, ZEND_ACC_PUBLIC)
PHP_ME(FieldDescriptor, getNumber, NULL, ZEND_ACC_PUBLIC)
PHP_ME(FieldDescriptor, getLabel, NULL, ZEND_ACC_PUBLIC)
PHP_ME(FieldDescriptor, getType, NULL, ZEND_ACC_PUBLIC)
PHP_ME(FieldDescriptor, isMap, NULL, ZEND_ACC_PUBLIC)
PHP_ME(FieldDescriptor, getEnumType, NULL, ZEND_ACC_PUBLIC)
PHP_ME(FieldDescriptor, getMessageType, NULL, ZEND_ACC_PUBLIC)
ZEND_FE_END
};
DEFINE_CLASS(FieldDescriptor, field_descriptor,
"Google\\Protobuf\\FieldDescriptor");
static void field_descriptor_free_c(FieldDescriptor *self TSRMLS_DC) {
}
static void field_descriptor_init_c_instance(FieldDescriptor *self TSRMLS_DC) {
self->fielddef = NULL;
}
upb_fieldtype_t to_fieldtype(upb_descriptortype_t type) {
switch (type) {
#define CASE(descriptor_type, type) \
case UPB_DESCRIPTOR_TYPE_##descriptor_type: \
return UPB_TYPE_##type;
CASE(FLOAT, FLOAT);
CASE(DOUBLE, DOUBLE);
CASE(BOOL, BOOL);
CASE(STRING, STRING);
CASE(BYTES, BYTES);
CASE(MESSAGE, MESSAGE);
CASE(GROUP, MESSAGE);
CASE(ENUM, ENUM);
CASE(INT32, INT32);
CASE(INT64, INT64);
CASE(UINT32, UINT32);
CASE(UINT64, UINT64);
CASE(SINT32, INT32);
CASE(SINT64, INT64);
CASE(FIXED32, UINT32);
CASE(FIXED64, UINT64);
CASE(SFIXED32, INT32);
CASE(SFIXED64, INT64);
#undef CONVERT
}
zend_error(E_ERROR, "Unknown field type.");
return 0;
}
PHP_METHOD(FieldDescriptor, getName) {
FieldDescriptor *intern = UNBOX(FieldDescriptor, getThis());
const char* name = upb_fielddef_name(intern->fielddef);
PHP_PROTO_RETVAL_STRINGL(name, strlen(name), 1);
}
PHP_METHOD(FieldDescriptor, getNumber) {
FieldDescriptor *intern = UNBOX(FieldDescriptor, getThis());
RETURN_LONG(upb_fielddef_number(intern->fielddef));
}
PHP_METHOD(FieldDescriptor, getLabel) {
FieldDescriptor *intern = UNBOX(FieldDescriptor, getThis());
RETURN_LONG(upb_fielddef_label(intern->fielddef));
}
PHP_METHOD(FieldDescriptor, getType) {
FieldDescriptor *intern = UNBOX(FieldDescriptor, getThis());
RETURN_LONG(upb_fielddef_descriptortype(intern->fielddef));
}
PHP_METHOD(FieldDescriptor, isMap) {
FieldDescriptor *intern = UNBOX(FieldDescriptor, getThis());
RETURN_BOOL(upb_fielddef_ismap(intern->fielddef));
}
PHP_METHOD(FieldDescriptor, getEnumType) {
FieldDescriptor *intern = UNBOX(FieldDescriptor, getThis());
if (upb_fielddef_type(intern->fielddef) != UPB_TYPE_ENUM) {
zend_throw_exception_ex(NULL, 0 TSRMLS_CC,
"Cannot get enum type for non-enum field '%s'",
upb_fielddef_name(intern->fielddef));
return;
}
const upb_enumdef *enumdef = upb_fielddef_enumsubdef(intern->fielddef);
PHP_PROTO_HASHTABLE_VALUE desc_php = get_def_obj(enumdef);
if (desc_php == NULL) {
EnumDescriptorInternal* intern = get_enumdef_enumdesc(enumdef);
#if PHP_MAJOR_VERSION < 7
MAKE_STD_ZVAL(desc_php);
ZVAL_OBJ(desc_php, enum_descriptor_type->create_object(
enum_descriptor_type TSRMLS_CC));
Z_DELREF_P(desc_php);
#else
desc_php =
enum_descriptor_type->create_object(enum_descriptor_type TSRMLS_CC);
GC_DELREF(desc_php);
#endif
EnumDescriptor* desc = UNBOX_HASHTABLE_VALUE(EnumDescriptor, desc_php);
desc->intern = intern;
add_def_obj(enumdef, desc_php);
add_ce_obj(intern->klass, desc_php);
}
#if PHP_MAJOR_VERSION < 7
RETURN_ZVAL(desc_php, 1, 0);
#else
GC_ADDREF(desc_php);
RETURN_OBJ(desc_php);
#endif
}
PHP_METHOD(FieldDescriptor, getMessageType) {
FieldDescriptor *intern = UNBOX(FieldDescriptor, getThis());
if (upb_fielddef_type(intern->fielddef) != UPB_TYPE_MESSAGE) {
zend_throw_exception_ex(
NULL, 0 TSRMLS_CC, "Cannot get message type for non-message field '%s'",
upb_fielddef_name(intern->fielddef));
return;
}
const upb_msgdef *msgdef = upb_fielddef_msgsubdef(intern->fielddef);
PHP_PROTO_HASHTABLE_VALUE desc_php = get_def_obj(msgdef);
if (desc_php == NULL) {
DescriptorInternal* intern = get_msgdef_desc(msgdef);
#if PHP_MAJOR_VERSION < 7
MAKE_STD_ZVAL(desc_php);
ZVAL_OBJ(desc_php, descriptor_type->create_object(
descriptor_type TSRMLS_CC));
Z_DELREF_P(desc_php);
#else
desc_php =
descriptor_type->create_object(descriptor_type TSRMLS_CC);
GC_DELREF(desc_php);
#endif
Descriptor* desc = UNBOX_HASHTABLE_VALUE(Descriptor, desc_php);
desc->intern = intern;
add_def_obj(msgdef, desc_php);
add_ce_obj(intern->klass, desc_php);
}
#if PHP_MAJOR_VERSION < 7
RETURN_ZVAL(desc_php, 1, 0);
#else
GC_ADDREF(desc_php);
RETURN_OBJ(desc_php);
#endif
}
// -----------------------------------------------------------------------------
// Oneof
// -----------------------------------------------------------------------------
static zend_function_entry oneof_descriptor_methods[] = {
PHP_ME(Oneof, getName, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Oneof, getField, NULL, ZEND_ACC_PUBLIC)
PHP_ME(Oneof, getFieldCount, NULL, ZEND_ACC_PUBLIC)
ZEND_FE_END
};
DEFINE_CLASS(Oneof, oneof_descriptor,
"Google\\Protobuf\\OneofDescriptor");
static void oneof_descriptor_free_c(Oneof *self TSRMLS_DC) {
}
static void oneof_descriptor_init_c_instance(Oneof *self TSRMLS_DC) {
self->oneofdef = NULL;
}
PHP_METHOD(Oneof, getName) {
Oneof *intern = UNBOX(Oneof, getThis());
const char *name = upb_oneofdef_name(intern->oneofdef);
PHP_PROTO_RETVAL_STRINGL(name, strlen(name), 1);
}
PHP_METHOD(Oneof, getField) {
long index;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &index) ==
FAILURE) {
zend_error(E_USER_ERROR, "Expect integer for index.\n");
return;
}
Oneof *intern = UNBOX(Oneof, getThis());
int field_num = upb_oneofdef_numfields(intern->oneofdef);
if (index < 0 || index >= field_num) {
zend_error(E_USER_ERROR, "Cannot get element at %ld.\n", index);
return;
}
upb_oneof_iter iter;
int i;
for(upb_oneof_begin(&iter, intern->oneofdef), i = 0;
!upb_oneof_done(&iter) && i < index;
upb_oneof_next(&iter), i++);
const upb_fielddef *field = upb_oneof_iter_field(&iter);
PHP_PROTO_HASHTABLE_VALUE field_hashtable_value = get_def_obj(field);
if (field_hashtable_value == NULL) {
#if PHP_MAJOR_VERSION < 7
MAKE_STD_ZVAL(field_hashtable_value);
ZVAL_OBJ(field_hashtable_value, field_descriptor_type->create_object(
field_descriptor_type TSRMLS_CC));
#else
field_hashtable_value =
field_descriptor_type->create_object(field_descriptor_type TSRMLS_CC);
#endif
FieldDescriptor *field_php =
UNBOX_HASHTABLE_VALUE(FieldDescriptor, field_hashtable_value);
field_php->fielddef = field;
add_def_obj(field, field_hashtable_value);
}
#if PHP_MAJOR_VERSION < 7
RETURN_ZVAL(field_hashtable_value, 1, 0);
#else
GC_ADDREF(field_hashtable_value);
RETURN_OBJ(field_hashtable_value);
#endif
}
PHP_METHOD(Oneof, getFieldCount) {
Oneof *intern = UNBOX(Oneof, getThis());
RETURN_LONG(upb_oneofdef_numfields(intern->oneofdef));
}
// -----------------------------------------------------------------------------
// DescriptorPool
// -----------------------------------------------------------------------------
static zend_function_entry descriptor_pool_methods[] = {
PHP_ME(DescriptorPool, getGeneratedPool, NULL,
ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
PHP_ME(DescriptorPool, getDescriptorByClassName, NULL, ZEND_ACC_PUBLIC)
PHP_ME(DescriptorPool, getEnumDescriptorByClassName, NULL, ZEND_ACC_PUBLIC)
ZEND_FE_END
};
static zend_function_entry internal_descriptor_pool_methods[] = {
PHP_ME(InternalDescriptorPool, getGeneratedPool, NULL,
ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
PHP_ME(InternalDescriptorPool, internalAddGeneratedFile, NULL, ZEND_ACC_PUBLIC)
ZEND_FE_END
};
DEFINE_CLASS(DescriptorPool, descriptor_pool,
"Google\\Protobuf\\DescriptorPool");
DEFINE_CLASS(InternalDescriptorPool, internal_descriptor_pool,
"Google\\Protobuf\\Internal\\DescriptorPool");
// wrapper of generated pool
#if PHP_MAJOR_VERSION < 7
zval* generated_pool_php;
zval* internal_generated_pool_php;
#else
zend_object *generated_pool_php;
zend_object *internal_generated_pool_php;
#endif
InternalDescriptorPoolImpl *generated_pool;
InternalDescriptorPoolImpl generated_pool_impl; // The actual generated pool
void init_generated_pool_once(TSRMLS_D) {
if (generated_pool == NULL) {
#if PHP_MAJOR_VERSION < 7
MAKE_STD_ZVAL(generated_pool_php);
MAKE_STD_ZVAL(internal_generated_pool_php);
ZVAL_OBJ(internal_generated_pool_php,
internal_descriptor_pool_type->create_object(
internal_descriptor_pool_type TSRMLS_CC));
ZVAL_OBJ(generated_pool_php, descriptor_pool_type->create_object(
descriptor_pool_type TSRMLS_CC));
#else
internal_generated_pool_php = internal_descriptor_pool_type->create_object(
internal_descriptor_pool_type TSRMLS_CC);
generated_pool_php =
descriptor_pool_type->create_object(descriptor_pool_type TSRMLS_CC);
#endif
generated_pool = &generated_pool_impl;
}
}
static void internal_descriptor_pool_init_c_instance(
InternalDescriptorPool *pool TSRMLS_DC) {
pool->intern = &generated_pool_impl;
}
static void internal_descriptor_pool_free_c(
InternalDescriptorPool *pool TSRMLS_DC) {
}
void internal_descriptor_pool_impl_init(
InternalDescriptorPoolImpl *pool TSRMLS_DC) {
pool->symtab = upb_symtab_new();
pool->fill_handler_cache =
upb_handlercache_new(add_handlers_for_message, NULL);
pool->pb_serialize_handler_cache = upb_pb_encoder_newcache();
pool->json_serialize_handler_cache = upb_json_printer_newcache(false);
pool->json_serialize_handler_preserve_cache = upb_json_printer_newcache(true);
pool->fill_method_cache = upb_pbcodecache_new(pool->fill_handler_cache);
pool->json_fill_method_cache = upb_json_codecache_new();
}
void internal_descriptor_pool_impl_destroy(
InternalDescriptorPoolImpl *pool TSRMLS_DC) {
upb_symtab_free(pool->symtab);
upb_handlercache_free(pool->fill_handler_cache);
upb_handlercache_free(pool->pb_serialize_handler_cache);
upb_handlercache_free(pool->json_serialize_handler_cache);
upb_handlercache_free(pool->json_serialize_handler_preserve_cache);
upb_pbcodecache_free(pool->fill_method_cache);
upb_json_codecache_free(pool->json_fill_method_cache);
}
static void descriptor_pool_init_c_instance(DescriptorPool *pool TSRMLS_DC) {
assert(generated_pool != NULL);
pool->intern = generated_pool;
}
static void descriptor_pool_free_c(DescriptorPool *pool TSRMLS_DC) {
}
PHP_METHOD(DescriptorPool, getGeneratedPool) {
init_generated_pool_once(TSRMLS_C);
#if PHP_MAJOR_VERSION < 7
RETURN_ZVAL(generated_pool_php, 1, 0);
#else
GC_ADDREF(generated_pool_php);
RETURN_OBJ(generated_pool_php);
#endif
}
PHP_METHOD(InternalDescriptorPool, getGeneratedPool) {
init_generated_pool_once(TSRMLS_C);
#if PHP_MAJOR_VERSION < 7
RETURN_ZVAL(internal_generated_pool_php, 1, 0);
#else
GC_ADDREF(internal_generated_pool_php);
RETURN_OBJ(internal_generated_pool_php);
#endif
}
static bool is_reserved(const char *segment, int length) {
bool result;
char* lower = ALLOC_N(char, length + 1);
memset(lower, 0, length + 1);
memcpy(lower, segment, length);
int i = 0;
while(lower[i]) {
lower[i] = (char)tolower(lower[i]);
i++;
}
lower[length] = 0;
result = is_reserved_name(lower);
FREE(lower);
return result;
}
static void fill_prefix(const char *segment, int length,
const char *prefix_given,
const char *package_name,
stringsink *classname) {
if (prefix_given != NULL && strcmp(prefix_given, "") != 0) {
stringsink_string(classname, NULL, prefix_given,
strlen(prefix_given), NULL);
} else {
if (is_reserved(segment, length)) {
if (package_name != NULL &&
strcmp("google.protobuf", package_name) == 0) {
stringsink_string(classname, NULL, "GPB", 3, NULL);
} else {
stringsink_string(classname, NULL, "PB", 2, NULL);
}
}
}
}
static void fill_segment(const char *segment, int length,
stringsink *classname, bool use_camel) {
if (use_camel && (segment[0] < 'A' || segment[0] > 'Z')) {
char first = segment[0] + ('A' - 'a');
stringsink_string(classname, NULL, &first, 1, NULL);
stringsink_string(classname, NULL, segment + 1, length - 1, NULL);
} else {
stringsink_string(classname, NULL, segment, length, NULL);
}
}
static void fill_namespace(const char *package, const char *php_namespace,
stringsink *classname) {
if (php_namespace != NULL) {
if (strlen(php_namespace) != 0) {
stringsink_string(classname, NULL, php_namespace, strlen(php_namespace),
NULL);
stringsink_string(classname, NULL, "\\", 1, NULL);
}
} else if (package != NULL) {
int i = 0, j = 0;
size_t package_len = strlen(package);
while (i < package_len) {
j = i;
while (j < package_len && package[j] != '.') {
j++;
}
fill_prefix(package + i, j - i, "", package, classname);
fill_segment(package + i, j - i, classname, true);
stringsink_string(classname, NULL, "\\", 1, NULL);
i = j + 1;
}
}
}
static void fill_classname(const char *fullname,
const char *package,
const char *prefix,
stringsink *classname,
bool use_nested_submsg) {
int classname_start = 0;
if (package != NULL) {
size_t package_len = strlen(package);
classname_start = package_len == 0 ? 0 : package_len + 1;
}
size_t fullname_len = strlen(fullname);
bool is_first_segment = true;
int i = classname_start, j;
while (i < fullname_len) {
j = i;
while (j < fullname_len && fullname[j] != '.') {
j++;
}
if (use_nested_submsg || (is_first_segment && j == fullname_len)) {
fill_prefix(fullname + i, j - i, prefix, package, classname);
}
is_first_segment = false;
fill_segment(fullname + i, j - i, classname, false);
if (j != fullname_len) {
if (use_nested_submsg) {
stringsink_string(classname, NULL, "\\", 1, NULL);
} else {
stringsink_string(classname, NULL, "_", 1, NULL);
}
}
i = j + 1;
}
}
static void fill_classname_for_desc(void *desc, bool is_enum) {
const upb_filedef *file;
const char *fullname;
bool use_nested_submsg;
if (is_enum) {
EnumDescriptorInternal* enumdesc = desc;
file = upb_enumdef_file(enumdesc->enumdef);
fullname = upb_enumdef_fullname(enumdesc->enumdef);
use_nested_submsg = enumdesc->use_nested_submsg;
} else {
DescriptorInternal* msgdesc = desc;
file = upb_msgdef_file(msgdesc->msgdef);
fullname = upb_msgdef_fullname(msgdesc->msgdef);
use_nested_submsg = msgdesc->use_nested_submsg;
}
// Prepend '.' to package name to make it absolute. In the 5 additional
// bytes allocated, one for '.', one for trailing 0, and 3 for 'GPB' if
// given message is google.protobuf.Empty.
const char *package = upb_filedef_package(file);
const char *php_namespace = upb_filedef_phpnamespace(file);
const char *prefix = upb_filedef_phpprefix(file);
stringsink namesink;
stringsink_init(&namesink);
fill_namespace(package, php_namespace, &namesink);
fill_classname(fullname, package, prefix, &namesink, use_nested_submsg);
stringsink_string(&namesink, NULL, "\0", 1, NULL);
if (is_enum) {
EnumDescriptorInternal* enumdesc = desc;
enumdesc->classname = strdup(namesink.ptr);
} else {
DescriptorInternal* msgdesc = desc;
msgdesc->classname = strdup(namesink.ptr);
}
stringsink_uninit(&namesink);
}
void register_class(void *desc, bool is_enum TSRMLS_DC) {
const char *classname;
const char *fullname;
zend_class_entry* ret;
if (is_enum) {
EnumDescriptorInternal* enumdesc = desc;
if (enumdesc->klass) {
return;
}
classname = enumdesc->classname;
fullname = upb_enumdef_fullname(enumdesc->enumdef);
} else {
DescriptorInternal* msgdesc = desc;
if (msgdesc->klass) {
return;
}
if (!msgdesc->classname) {
return;
}
classname = msgdesc->classname;
fullname = upb_msgdef_fullname(msgdesc->msgdef);
}
PHP_PROTO_CE_DECLARE pce;
if (php_proto_zend_lookup_class(classname, strlen(classname), &pce) ==
FAILURE) {
zend_error(
E_ERROR,
"Generated message class %s hasn't been defined (%s)",
classname, fullname);
return;
}
ret = PHP_PROTO_CE_UNREF(pce);
if (is_enum) {
EnumDescriptorInternal* enumdesc = desc;
add_ce_enumdesc(ret, desc);
enumdesc->klass = ret;
} else {
DescriptorInternal* msgdesc = desc;
add_ce_desc(ret, desc);
msgdesc->klass = ret;
// Map entries don't have existing php class.
if (!upb_msgdef_mapentry(msgdesc->msgdef)) {
if (msgdesc->layout == NULL) {
MessageLayout* layout = create_layout(msgdesc->msgdef);
msgdesc->layout = layout;
}
}
}
}
bool depends_on_descriptor(const google_protobuf_FileDescriptorProto* file) {
const upb_strview *deps;
upb_strview name = upb_strview_makez("google/protobuf/descriptor.proto");
size_t i, n;
deps = google_protobuf_FileDescriptorProto_dependency(file, &n);
for (i = 0; i < n; i++) {
if (upb_strview_eql(deps[i], name)) {
return true;
}
}
return false;
}
const upb_filedef *parse_and_add_descriptor(const char *data,
PHP_PROTO_SIZE data_len,
InternalDescriptorPoolImpl *pool,
upb_arena *arena) {
size_t n;
google_protobuf_FileDescriptorSet *set;
const google_protobuf_FileDescriptorProto* const* files;
const upb_filedef* file;
upb_status status;
set = google_protobuf_FileDescriptorSet_parse(
data, data_len, arena);
if (!set) {
zend_error(E_ERROR, "Failed to parse binary descriptor\n");
return NULL;
}
files = google_protobuf_FileDescriptorSet_file(set, &n);
if (n != 1) {
zend_error(E_ERROR, "Serialized descriptors should have exactly one file");
return NULL;
}
// Check whether file has already been added.
upb_strview name = google_protobuf_FileDescriptorProto_name(files[0]);
// TODO(teboring): Needs another look up method which takes data and length.
file = upb_symtab_lookupfile2(pool->symtab, name.data, name.size);
if (file != NULL) {
return NULL;
}
// The PHP code generator currently special-cases descriptor.proto. It
// doesn't add it as a dependency even if the proto file actually does
// depend on it.
if (depends_on_descriptor(files[0]) &&
upb_symtab_lookupfile(pool->symtab, "google/protobuf/descriptor.proto") ==
NULL) {
if (!parse_and_add_descriptor((char *)descriptor_proto,
descriptor_proto_len, pool, arena)) {
return NULL;
}
}
upb_status_clear(&status);
file = upb_symtab_addfile(pool->symtab, files[0], &status);
check_upb_status(&status, "Unable to load descriptor");
return file;
}
void internal_add_generated_file(const char *data, PHP_PROTO_SIZE data_len,
InternalDescriptorPoolImpl *pool,
bool use_nested_submsg TSRMLS_DC) {
int i;
upb_arena *arena;
const upb_filedef* file;
arena = upb_arena_new();
file = parse_and_add_descriptor(data, data_len, pool, arena);
upb_arena_free(arena);
if (!file) return;
// For each enum/message, we need its PHP class, upb descriptor and its PHP
// wrapper. These information are needed later for encoding, decoding and type
// checking. However, sometimes we just have one of them. In order to find
// them quickly, here, we store the mapping for them.
for (i = 0; i < upb_filedef_msgcount(file); i++) {
const upb_msgdef *msgdef = upb_filedef_msg(file, i);
CREATE_HASHTABLE_VALUE(desc, desc_php, Descriptor, descriptor_type);
desc->intern = SYS_MALLOC(DescriptorInternal);
desc->intern->msgdef = msgdef;
desc->intern->pool = pool;
desc->intern->layout = NULL;
desc->intern->klass = NULL;
desc->intern->use_nested_submsg = use_nested_submsg;
desc->intern->classname = NULL;
add_def_obj(desc->intern->msgdef, desc_php);
add_msgdef_desc(desc->intern->msgdef, desc->intern);
// Unlike other messages, MapEntry is shared by all map fields and doesn't
// have generated PHP class.
if (upb_msgdef_mapentry(msgdef)) {
continue;
}
fill_classname_for_desc(desc->intern, false);
add_class_desc(desc->intern->classname, desc->intern);
add_proto_desc(upb_msgdef_fullname(desc->intern->msgdef), desc->intern);
}
for (i = 0; i < upb_filedef_enumcount(file); i++) {
const upb_enumdef *enumdef = upb_filedef_enum(file, i);
CREATE_HASHTABLE_VALUE(desc, desc_php, EnumDescriptor, enum_descriptor_type);
desc->intern = SYS_MALLOC(EnumDescriptorInternal);
desc->intern->enumdef = enumdef;
desc->intern->klass = NULL;
desc->intern->use_nested_submsg = use_nested_submsg;
desc->intern->classname = NULL;
add_def_obj(desc->intern->enumdef, desc_php);
add_enumdef_enumdesc(desc->intern->enumdef, desc->intern);
fill_classname_for_desc(desc->intern, true);
add_class_enumdesc(desc->intern->classname, desc->intern);
}