diff options
Diffstat (limited to 'third_party/protobuf/3.2.0/php/ext/google/protobuf/map.c')
-rw-r--r-- | third_party/protobuf/3.2.0/php/ext/google/protobuf/map.c | 472 |
1 files changed, 0 insertions, 472 deletions
diff --git a/third_party/protobuf/3.2.0/php/ext/google/protobuf/map.c b/third_party/protobuf/3.2.0/php/ext/google/protobuf/map.c deleted file mode 100644 index 35747b05c8..0000000000 --- a/third_party/protobuf/3.2.0/php/ext/google/protobuf/map.c +++ /dev/null @@ -1,472 +0,0 @@ -// 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 <ext/spl/spl_iterators.h> -#include <Zend/zend_API.h> -#include <Zend/zend_interfaces.h> - -#include "protobuf.h" -#include "utf8.h" - -ZEND_BEGIN_ARG_INFO_EX(arginfo_offsetGet, 0, 0, 1) - ZEND_ARG_INFO(0, index) -ZEND_END_ARG_INFO() - -ZEND_BEGIN_ARG_INFO_EX(arginfo_offsetSet, 0, 0, 2) - ZEND_ARG_INFO(0, index) - ZEND_ARG_INFO(0, newval) -ZEND_END_ARG_INFO() - -ZEND_BEGIN_ARG_INFO(arginfo_void, 0) -ZEND_END_ARG_INFO() - -// Utilities - -void* upb_value_memory(upb_value* v) { - return (void*)(&v->val); -} - -// ----------------------------------------------------------------------------- -// Basic map operations on top of upb's strtable. -// -// Note that we roll our own `Map` container here because, as for -// `RepeatedField`, we want a strongly-typed container. This is so that any user -// errors due to incorrect map key or value types are raised as close as -// possible to the error site, rather than at some deferred point (e.g., -// serialization). -// -// We build our `Map` on top of upb_strtable so that we're able to take -// advantage of the native_slot storage abstraction, as RepeatedField does. -// (This is not quite a perfect mapping -- see the key conversions below -- but -// gives us full support and error-checking for all value types for free.) -// ----------------------------------------------------------------------------- - -// Map values are stored using the native_slot abstraction (as with repeated -// field values), but keys are a bit special. Since we use a strtable, we need -// to store keys as sequences of bytes such that equality of those bytes maps -// one-to-one to equality of keys. We store strings directly (i.e., they map to -// their own bytes) and integers as native integers (using the native_slot -// abstraction). - -// Note that there is another tradeoff here in keeping string keys as native -// strings rather than PHP strings: traversing the Map requires conversion to -// PHP string values on every traversal, potentially creating more garbage. We -// should consider ways to cache a PHP version of the key if this becomes an -// issue later. - -// Forms a key to use with the underlying strtable from a PHP key value. |buf| -// must point to TABLE_KEY_BUF_LENGTH bytes of temporary space, used to -// construct a key byte sequence if needed. |out_key| and |out_length| provide -// the resulting key data/length. -#define TABLE_KEY_BUF_LENGTH 8 // sizeof(uint64_t) -static bool table_key(Map* self, zval* key, - char* buf, - const char** out_key, - size_t* out_length TSRMLS_DC) { - switch (self->key_type) { - case UPB_TYPE_STRING: - if (!protobuf_convert_to_string(key)) { - return false; - } - if (!is_structurally_valid_utf8(Z_STRVAL_P(key), Z_STRLEN_P(key))) { - zend_error(E_USER_ERROR, "Given key is not UTF8 encoded."); - return false; - } - *out_key = Z_STRVAL_P(key); - *out_length = Z_STRLEN_P(key); - break; - -#define CASE_TYPE(upb_type, type, c_type, php_type) \ - case UPB_TYPE_##upb_type: { \ - c_type type##_value; \ - if (!protobuf_convert_to_##type(key, &type##_value)) { \ - return false; \ - } \ - native_slot_set(self->key_type, NULL, buf, key TSRMLS_CC); \ - *out_key = buf; \ - *out_length = native_slot_size(self->key_type); \ - break; \ - } - CASE_TYPE(BOOL, bool, int8_t, BOOL) - CASE_TYPE(INT32, int32, int32_t, LONG) - CASE_TYPE(INT64, int64, int64_t, LONG) - CASE_TYPE(UINT32, uint32, uint32_t, LONG) - CASE_TYPE(UINT64, uint64, uint64_t, LONG) - -#undef CASE_TYPE - - default: - // Map constructor should not allow a Map with another key type to be - // constructed. - assert(false); - break; - } - - return true; -} - -// ----------------------------------------------------------------------------- -// MapField methods -// ----------------------------------------------------------------------------- - -static zend_function_entry map_field_methods[] = { - PHP_ME(MapField, __construct, NULL, ZEND_ACC_PUBLIC) - PHP_ME(MapField, offsetExists, arginfo_offsetGet, ZEND_ACC_PUBLIC) - PHP_ME(MapField, offsetGet, arginfo_offsetGet, ZEND_ACC_PUBLIC) - PHP_ME(MapField, offsetSet, arginfo_offsetSet, ZEND_ACC_PUBLIC) - PHP_ME(MapField, offsetUnset, arginfo_offsetGet, ZEND_ACC_PUBLIC) - PHP_ME(MapField, count, arginfo_void, ZEND_ACC_PUBLIC) - ZEND_FE_END -}; - -// ----------------------------------------------------------------------------- -// MapField creation/desctruction -// ----------------------------------------------------------------------------- - -zend_class_entry* map_field_type; -zend_object_handlers* map_field_handlers; - -static void map_begin_internal(Map *map, MapIter *iter) { - iter->self = map; - upb_strtable_begin(&iter->it, &map->table); -} - -static HashTable *map_field_get_gc(zval *object, zval ***table, - int *n TSRMLS_DC) { - // TODO(teboring): Unfortunately, zend engine does not support garbage - // collection for custom array. We have to use zend engine's native array - // instead. - *table = NULL; - *n = 0; - return NULL; -} - -void map_field_init(TSRMLS_D) { - zend_class_entry class_type; - const char* class_name = "Google\\Protobuf\\Internal\\MapField"; - INIT_CLASS_ENTRY_EX(class_type, class_name, strlen(class_name), - map_field_methods); - - map_field_type = zend_register_internal_class(&class_type TSRMLS_CC); - map_field_type->create_object = map_field_create; - - zend_class_implements(map_field_type TSRMLS_CC, 2, spl_ce_ArrayAccess, - spl_ce_Countable); - - map_field_handlers = PEMALLOC(zend_object_handlers); - memcpy(map_field_handlers, zend_get_std_object_handlers(), - sizeof(zend_object_handlers)); - map_field_handlers->get_gc = map_field_get_gc; -} - -zend_object_value map_field_create(zend_class_entry *ce TSRMLS_DC) { - zend_object_value retval = {0}; - Map *intern; - - intern = emalloc(sizeof(Map)); - memset(intern, 0, sizeof(Map)); - - zend_object_std_init(&intern->std, ce TSRMLS_CC); - object_properties_init(&intern->std, ce); - - // Table value type is always UINT64: this ensures enough space to store the - // native_slot value. - if (!upb_strtable_init(&intern->table, UPB_CTYPE_UINT64)) { - zend_error(E_USER_ERROR, "Could not allocate table."); - } - - retval.handle = zend_objects_store_put( - intern, (zend_objects_store_dtor_t)zend_objects_destroy_object, - (zend_objects_free_object_storage_t)map_field_free, NULL TSRMLS_CC); - retval.handlers = map_field_handlers; - - return retval; -} - -void map_field_free(void *object TSRMLS_DC) { - Map *map = (Map *)object; - - switch (map->value_type) { - case UPB_TYPE_MESSAGE: - case UPB_TYPE_STRING: - case UPB_TYPE_BYTES: { - MapIter it; - int len; - for (map_begin_internal(map, &it); !map_done(&it); map_next(&it)) { - upb_value value = map_iter_value(&it, &len); - void *mem = upb_value_memory(&value); - zval_ptr_dtor(mem); - } - break; - } - default: - break; - } - - upb_strtable_uninit(&map->table); - zend_object_std_dtor(&map->std TSRMLS_CC); - efree(object); -} - -void map_field_create_with_type(zend_class_entry *ce, const upb_fielddef *field, - zval **map_field TSRMLS_DC) { - MAKE_STD_ZVAL(*map_field); - Z_TYPE_PP(map_field) = IS_OBJECT; - Z_OBJVAL_PP(map_field) = - map_field_type->create_object(map_field_type TSRMLS_CC); - - Map* intern = - (Map*)zend_object_store_get_object(*map_field TSRMLS_CC); - - const upb_fielddef *key_field = map_field_key(field); - const upb_fielddef *value_field = map_field_value(field); - intern->key_type = upb_fielddef_type(key_field); - intern->value_type = upb_fielddef_type(value_field); - intern->msg_ce = field_type_class(value_field TSRMLS_CC); -} - -static void map_field_free_element(void *object) { -} - -// ----------------------------------------------------------------------------- -// MapField Handlers -// ----------------------------------------------------------------------------- - -static bool map_field_read_dimension(zval *object, zval *key, int type, - zval **retval TSRMLS_DC) { - Map *intern = - (Map *)zend_object_store_get_object(object TSRMLS_CC); - - char keybuf[TABLE_KEY_BUF_LENGTH]; - const char* keyval = NULL; - size_t length = 0; - upb_value v; -#ifndef NDEBUG - v.ctype = UPB_CTYPE_UINT64; -#endif - if (!table_key(intern, key, keybuf, &keyval, &length TSRMLS_CC)) { - return false; - } - - if (upb_strtable_lookup2(&intern->table, keyval, length, &v)) { - void* mem = upb_value_memory(&v); - native_slot_get(intern->value_type, mem, retval TSRMLS_CC); - return true; - } else { - zend_error(E_USER_ERROR, "Given key doesn't exist."); - return false; - } -} - -bool map_index_set(Map *intern, const char* keyval, int length, upb_value v) { - // Replace any existing value by issuing a 'remove' operation first. - upb_strtable_remove2(&intern->table, keyval, length, NULL); - if (!upb_strtable_insert2(&intern->table, keyval, length, v)) { - zend_error(E_USER_ERROR, "Could not insert into table"); - return false; - } - return true; -} - -static bool map_field_write_dimension(zval *object, zval *key, - zval *value TSRMLS_DC) { - Map *intern = (Map *)zend_object_store_get_object(object TSRMLS_CC); - - char keybuf[TABLE_KEY_BUF_LENGTH]; - const char* keyval = NULL; - size_t length = 0; - upb_value v; - void* mem; - if (!table_key(intern, key, keybuf, &keyval, &length TSRMLS_CC)) { - return false; - } - - mem = upb_value_memory(&v); - memset(mem, 0, native_slot_size(intern->value_type)); - if (!native_slot_set(intern->value_type, intern->msg_ce, mem, value - TSRMLS_CC)) { - return false; - } -#ifndef NDEBUG - v.ctype = UPB_CTYPE_UINT64; -#endif - - // Replace any existing value by issuing a 'remove' operation first. - upb_strtable_remove2(&intern->table, keyval, length, NULL); - if (!upb_strtable_insert2(&intern->table, keyval, length, v)) { - zend_error(E_USER_ERROR, "Could not insert into table"); - return false; - } - - return true; -} - -static bool map_field_unset_dimension(zval *object, zval *key TSRMLS_DC) { - Map *intern = (Map *)zend_object_store_get_object(object TSRMLS_CC); - - char keybuf[TABLE_KEY_BUF_LENGTH]; - const char* keyval = NULL; - size_t length = 0; - upb_value v; - if (!table_key(intern, key, keybuf, &keyval, &length TSRMLS_CC)) { - return false; - } -#ifndef NDEBUG - v.ctype = UPB_CTYPE_UINT64; -#endif - - upb_strtable_remove2(&intern->table, keyval, length, &v); - - return true; -} - -// ----------------------------------------------------------------------------- -// PHP MapField Methods -// ----------------------------------------------------------------------------- - -PHP_METHOD(MapField, __construct) { - long key_type, value_type; - zend_class_entry* klass = NULL; - - if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ll|C", &key_type, - &value_type, &klass) == FAILURE) { - return; - } - - Map* intern = - (Map*)zend_object_store_get_object(getThis() TSRMLS_CC); - intern->key_type = to_fieldtype(key_type); - intern->value_type = to_fieldtype(value_type); - intern->msg_ce = klass; - - // Check that the key type is an allowed type. - switch (intern->key_type) { - case UPB_TYPE_INT32: - case UPB_TYPE_INT64: - case UPB_TYPE_UINT32: - case UPB_TYPE_UINT64: - case UPB_TYPE_BOOL: - case UPB_TYPE_STRING: - case UPB_TYPE_BYTES: - // These are OK. - break; - default: - zend_error(E_USER_ERROR, "Invalid key type for map."); - } -} - -PHP_METHOD(MapField, offsetExists) { - zval *key; - if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &key) == - FAILURE) { - return; - } - - Map *intern = (Map *)zend_object_store_get_object(getThis() TSRMLS_CC); - - char keybuf[TABLE_KEY_BUF_LENGTH]; - const char* keyval = NULL; - size_t length = 0; - upb_value v; -#ifndef NDEBUG - v.ctype = UPB_CTYPE_UINT64; -#endif - if (!table_key(intern, key, keybuf, &keyval, &length TSRMLS_CC)) { - RETURN_BOOL(false); - } - - RETURN_BOOL(upb_strtable_lookup2(&intern->table, keyval, length, &v)); -} - -PHP_METHOD(MapField, offsetGet) { - zval *index, *value; - if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &index) == - FAILURE) { - return; - } - map_field_read_dimension(getThis(), index, BP_VAR_R, - return_value_ptr TSRMLS_CC); -} - -PHP_METHOD(MapField, offsetSet) { - zval *index, *value; - if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zz", &index, &value) == - FAILURE) { - return; - } - map_field_write_dimension(getThis(), index, value TSRMLS_CC); -} - -PHP_METHOD(MapField, offsetUnset) { - zval *index; - if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &index) == - FAILURE) { - return; - } - map_field_unset_dimension(getThis(), index TSRMLS_CC); -} - -PHP_METHOD(MapField, count) { - Map *intern = - (Map *)zend_object_store_get_object(getThis() TSRMLS_CC); - - if (zend_parse_parameters_none() == FAILURE) { - return; - } - - RETURN_LONG(upb_strtable_count(&intern->table)); -} - -// ----------------------------------------------------------------------------- -// Map Iterator -// ----------------------------------------------------------------------------- - -void map_begin(zval *map_php, MapIter *iter TSRMLS_DC) { - Map *self = UNBOX(Map, map_php); - map_begin_internal(self, iter); -} - -void map_next(MapIter *iter) { - upb_strtable_next(&iter->it); -} - -bool map_done(MapIter *iter) { - return upb_strtable_done(&iter->it); -} - -const char *map_iter_key(MapIter *iter, int *len) { - *len = upb_strtable_iter_keylength(&iter->it); - return upb_strtable_iter_key(&iter->it); -} - -upb_value map_iter_value(MapIter *iter, int *len) { - *len = native_slot_size(iter->self->value_type); - return upb_strtable_iter_value(&iter->it); -} |