diff options
author | Lorry Tar Creator <lorry-tar-importer@baserock.org> | 2013-03-14 05:42:27 +0000 |
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committer | <> | 2013-04-03 16:25:08 +0000 |
commit | c4dd7a1a684490673e25aaf4fabec5df138854c4 (patch) | |
tree | 4d57c44caae4480efff02b90b9be86f44bf25409 /ext/spl/php_spl.c | |
download | php2-master.tar.gz |
Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master
Diffstat (limited to 'ext/spl/php_spl.c')
-rw-r--r-- | ext/spl/php_spl.c | 1001 |
1 files changed, 1001 insertions, 0 deletions
diff --git a/ext/spl/php_spl.c b/ext/spl/php_spl.c new file mode 100644 index 0000000..35f4e50 --- /dev/null +++ b/ext/spl/php_spl.c @@ -0,0 +1,1001 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 5 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2013 The PHP Group | + +----------------------------------------------------------------------+ + | This source file is subject to version 3.01 of the PHP license, | + | that is bundled with this package in the file LICENSE, and is | + | available through the world-wide-web at the following url: | + | http://www.php.net/license/3_01.txt | + | If you did not receive a copy of the PHP license and are unable to | + | obtain it through the world-wide-web, please send a note to | + | license@php.net so we can mail you a copy immediately. | + +----------------------------------------------------------------------+ + | Authors: Marcus Boerger <helly@php.net> | + +----------------------------------------------------------------------+ + */ + +/* $Id$ */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "php.h" +#include "php_ini.h" +#include "php_main.h" +#include "ext/standard/info.h" +#include "php_spl.h" +#include "spl_functions.h" +#include "spl_engine.h" +#include "spl_array.h" +#include "spl_directory.h" +#include "spl_iterators.h" +#include "spl_exceptions.h" +#include "spl_observer.h" +#include "spl_dllist.h" +#include "spl_fixedarray.h" +#include "spl_heap.h" +#include "zend_exceptions.h" +#include "zend_interfaces.h" +#include "ext/standard/php_rand.h" +#include "ext/standard/php_lcg.h" +#include "main/snprintf.h" + +#ifdef COMPILE_DL_SPL +ZEND_GET_MODULE(spl) +#endif + +ZEND_DECLARE_MODULE_GLOBALS(spl) + +#define SPL_DEFAULT_FILE_EXTENSIONS ".inc,.php" + +/* {{{ PHP_GINIT_FUNCTION + */ +static PHP_GINIT_FUNCTION(spl) +{ + spl_globals->autoload_extensions = NULL; + spl_globals->autoload_extensions_len = 0; + spl_globals->autoload_functions = NULL; + spl_globals->autoload_running = 0; +} +/* }}} */ + +static zend_class_entry * spl_find_ce_by_name(char *name, int len, zend_bool autoload TSRMLS_DC) +{ + zend_class_entry **ce; + int found; + + if (!autoload) { + char *lc_name; + ALLOCA_FLAG(use_heap) + + lc_name = do_alloca(len + 1, use_heap); + zend_str_tolower_copy(lc_name, name, len); + + found = zend_hash_find(EG(class_table), lc_name, len +1, (void **) &ce); + free_alloca(lc_name, use_heap); + } else { + found = zend_lookup_class(name, len, &ce TSRMLS_CC); + } + if (found != SUCCESS) { + php_error_docref(NULL TSRMLS_CC, E_WARNING, "Class %s does not exist%s", name, autoload ? " and could not be loaded" : ""); + return NULL; + } + + return *ce; +} + +/* {{{ proto array class_parents(object instance [, boolean autoload = true]) + Return an array containing the names of all parent classes */ +PHP_FUNCTION(class_parents) +{ + zval *obj; + zend_class_entry *parent_class, *ce; + zend_bool autoload = 1; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|b", &obj, &autoload) == FAILURE) { + RETURN_FALSE; + } + + if (Z_TYPE_P(obj) != IS_OBJECT && Z_TYPE_P(obj) != IS_STRING) { + php_error_docref(NULL TSRMLS_CC, E_WARNING, "object or string expected"); + RETURN_FALSE; + } + + if (Z_TYPE_P(obj) == IS_STRING) { + if (NULL == (ce = spl_find_ce_by_name(Z_STRVAL_P(obj), Z_STRLEN_P(obj), autoload TSRMLS_CC))) { + RETURN_FALSE; + } + } else { + ce = Z_OBJCE_P(obj); + } + + array_init(return_value); + parent_class = ce->parent; + while (parent_class) { + spl_add_class_name(return_value, parent_class, 0, 0 TSRMLS_CC); + parent_class = parent_class->parent; + } +} +/* }}} */ + +/* {{{ proto array class_implements(mixed what [, bool autoload ]) + Return all classes and interfaces implemented by SPL */ +PHP_FUNCTION(class_implements) +{ + zval *obj; + zend_bool autoload = 1; + zend_class_entry *ce; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|b", &obj, &autoload) == FAILURE) { + RETURN_FALSE; + } + if (Z_TYPE_P(obj) != IS_OBJECT && Z_TYPE_P(obj) != IS_STRING) { + php_error_docref(NULL TSRMLS_CC, E_WARNING, "object or string expected"); + RETURN_FALSE; + } + + if (Z_TYPE_P(obj) == IS_STRING) { + if (NULL == (ce = spl_find_ce_by_name(Z_STRVAL_P(obj), Z_STRLEN_P(obj), autoload TSRMLS_CC))) { + RETURN_FALSE; + } + } else { + ce = Z_OBJCE_P(obj); + } + + array_init(return_value); + spl_add_interfaces(return_value, ce, 1, ZEND_ACC_INTERFACE TSRMLS_CC); +} +/* }}} */ + +/* {{{ proto array class_uses(mixed what [, bool autoload ]) + Return all traits used by a class. */ +PHP_FUNCTION(class_uses) +{ + zval *obj; + zend_bool autoload = 1; + zend_class_entry *ce; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|b", &obj, &autoload) == FAILURE) { + RETURN_FALSE; + } + if (Z_TYPE_P(obj) != IS_OBJECT && Z_TYPE_P(obj) != IS_STRING) { + php_error_docref(NULL TSRMLS_CC, E_WARNING, "object or string expected"); + RETURN_FALSE; + } + + if (Z_TYPE_P(obj) == IS_STRING) { + if (NULL == (ce = spl_find_ce_by_name(Z_STRVAL_P(obj), Z_STRLEN_P(obj), autoload TSRMLS_CC))) { + RETURN_FALSE; + } + } else { + ce = Z_OBJCE_P(obj); + } + + array_init(return_value); + spl_add_traits(return_value, ce, 1, ZEND_ACC_TRAIT TSRMLS_CC); +} +/* }}} */ + +#define SPL_ADD_CLASS(class_name, z_list, sub, allow, ce_flags) \ + spl_add_classes(spl_ce_ ## class_name, z_list, sub, allow, ce_flags TSRMLS_CC) + +#define SPL_LIST_CLASSES(z_list, sub, allow, ce_flags) \ + SPL_ADD_CLASS(AppendIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(ArrayIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(ArrayObject, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(BadFunctionCallException, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(BadMethodCallException, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(CachingIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(CallbackFilterIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(Countable, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(DirectoryIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(DomainException, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(EmptyIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(FilesystemIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(FilterIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(GlobIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(InfiniteIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(InvalidArgumentException, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(IteratorIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(LengthException, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(LimitIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(LogicException, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(MultipleIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(NoRewindIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(OuterIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(OutOfBoundsException, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(OutOfRangeException, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(OverflowException, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(ParentIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(RangeException, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(RecursiveArrayIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(RecursiveCachingIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(RecursiveCallbackFilterIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(RecursiveDirectoryIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(RecursiveFilterIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(RecursiveIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(RecursiveIteratorIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(RecursiveRegexIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(RecursiveTreeIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(RegexIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(RuntimeException, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SeekableIterator, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplDoublyLinkedList, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplFileInfo, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplFileObject, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplFixedArray, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplHeap, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplMinHeap, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplMaxHeap, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplObjectStorage, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplObserver, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplPriorityQueue, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplQueue, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplStack, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplSubject, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(SplTempFileObject, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(UnderflowException, z_list, sub, allow, ce_flags); \ + SPL_ADD_CLASS(UnexpectedValueException, z_list, sub, allow, ce_flags); \ + +/* {{{ proto array spl_classes() + Return an array containing the names of all clsses and interfaces defined in SPL */ +PHP_FUNCTION(spl_classes) +{ + array_init(return_value); + + SPL_LIST_CLASSES(return_value, 0, 0, 0) +} +/* }}} */ + +static int spl_autoload(const char *class_name, const char * lc_name, int class_name_len, const char * file_extension TSRMLS_DC) /* {{{ */ +{ + char *class_file; + int class_file_len; + int dummy = 1; + zend_file_handle file_handle; + zend_op_array *new_op_array; + zval *result = NULL; + int ret; + + class_file_len = spprintf(&class_file, 0, "%s%s", lc_name, file_extension); + +#if DEFAULT_SLASH != '\\' + { + char *ptr = class_file; + char *end = ptr + class_file_len; + + while ((ptr = memchr(ptr, '\\', (end - ptr))) != NULL) { + *ptr = DEFAULT_SLASH; + } + } +#endif + + ret = php_stream_open_for_zend_ex(class_file, &file_handle, USE_PATH|STREAM_OPEN_FOR_INCLUDE TSRMLS_CC); + + if (ret == SUCCESS) { + if (!file_handle.opened_path) { + file_handle.opened_path = estrndup(class_file, class_file_len); + } + if (zend_hash_add(&EG(included_files), file_handle.opened_path, strlen(file_handle.opened_path)+1, (void *)&dummy, sizeof(int), NULL)==SUCCESS) { + new_op_array = zend_compile_file(&file_handle, ZEND_REQUIRE TSRMLS_CC); + zend_destroy_file_handle(&file_handle TSRMLS_CC); + } else { + new_op_array = NULL; + zend_file_handle_dtor(&file_handle TSRMLS_CC); + } + if (new_op_array) { + EG(return_value_ptr_ptr) = &result; + EG(active_op_array) = new_op_array; + if (!EG(active_symbol_table)) { + zend_rebuild_symbol_table(TSRMLS_C); + } + + zend_execute(new_op_array TSRMLS_CC); + + destroy_op_array(new_op_array TSRMLS_CC); + efree(new_op_array); + if (!EG(exception)) { + if (EG(return_value_ptr_ptr)) { + zval_ptr_dtor(EG(return_value_ptr_ptr)); + } + } + + efree(class_file); + return zend_hash_exists(EG(class_table), (char*)lc_name, class_name_len+1); + } + } + efree(class_file); + return 0; +} /* }}} */ + +/* {{{ proto void spl_autoload(string class_name [, string file_extensions]) + Default implementation for __autoload() */ +PHP_FUNCTION(spl_autoload) +{ + char *class_name, *lc_name, *file_exts = SPL_G(autoload_extensions); + int class_name_len, file_exts_len = SPL_G(autoload_extensions_len), found = 0; + char *copy, *pos1, *pos2; + zval **original_return_value = EG(return_value_ptr_ptr); + zend_op **original_opline_ptr = EG(opline_ptr); + zend_op_array *original_active_op_array = EG(active_op_array); + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|s", &class_name, &class_name_len, &file_exts, &file_exts_len) == FAILURE) { + RETURN_FALSE; + } + + if (file_exts == NULL) { /* autoload_extensions is not intialzed, set to defaults */ + copy = pos1 = estrndup(SPL_DEFAULT_FILE_EXTENSIONS, sizeof(SPL_DEFAULT_FILE_EXTENSIONS)-1); + } else { + copy = pos1 = estrndup(file_exts, file_exts_len); + } + lc_name = zend_str_tolower_dup(class_name, class_name_len); + while(pos1 && *pos1 && !EG(exception)) { + EG(return_value_ptr_ptr) = original_return_value; + EG(opline_ptr) = original_opline_ptr; + EG(active_op_array) = original_active_op_array; + pos2 = strchr(pos1, ','); + if (pos2) *pos2 = '\0'; + if (spl_autoload(class_name, lc_name, class_name_len, pos1 TSRMLS_CC)) { + found = 1; + break; /* loaded */ + } + pos1 = pos2 ? pos2 + 1 : NULL; + } + efree(lc_name); + if (copy) { + efree(copy); + } + + EG(return_value_ptr_ptr) = original_return_value; + EG(opline_ptr) = original_opline_ptr; + EG(active_op_array) = original_active_op_array; + + if (!found && !SPL_G(autoload_running)) { + /* For internal errors, we generate E_ERROR, for direct calls an exception is thrown. + * The "scope" is determined by an opcode, if it is ZEND_FETCH_CLASS we know function was called indirectly by + * the Zend engine. + */ + if (active_opline->opcode != ZEND_FETCH_CLASS) { + zend_throw_exception_ex(spl_ce_LogicException, 0 TSRMLS_CC, "Class %s could not be loaded", class_name); + } else { + php_error_docref(NULL TSRMLS_CC, E_ERROR, "Class %s could not be loaded", class_name); + } + } +} /* }}} */ + +/* {{{ proto string spl_autoload_extensions([string file_extensions]) + Register and return default file extensions for spl_autoload */ +PHP_FUNCTION(spl_autoload_extensions) +{ + char *file_exts = NULL; + int file_exts_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &file_exts, &file_exts_len) == FAILURE) { + return; + } + if (file_exts) { + if (SPL_G(autoload_extensions)) { + efree(SPL_G(autoload_extensions)); + } + SPL_G(autoload_extensions) = estrndup(file_exts, file_exts_len); + SPL_G(autoload_extensions_len) = file_exts_len; + } + + if (SPL_G(autoload_extensions) == NULL) { + RETURN_STRINGL(SPL_DEFAULT_FILE_EXTENSIONS, sizeof(SPL_DEFAULT_FILE_EXTENSIONS) - 1, 1); + } else { + RETURN_STRINGL(SPL_G(autoload_extensions), SPL_G(autoload_extensions_len), 1); + } +} /* }}} */ + +typedef struct { + zend_function *func_ptr; + zval *obj; + zval *closure; + zend_class_entry *ce; +} autoload_func_info; + +static void autoload_func_info_dtor(autoload_func_info *alfi) +{ + if (alfi->obj) { + zval_ptr_dtor(&alfi->obj); + } + if (alfi->closure) { + zval_ptr_dtor(&alfi->closure); + } +} + +/* {{{ proto void spl_autoload_call(string class_name) + Try all registerd autoload function to load the requested class */ +PHP_FUNCTION(spl_autoload_call) +{ + zval *class_name, *retval = NULL; + int class_name_len; + char *func_name, *lc_name; + uint func_name_len; + ulong dummy; + HashPosition function_pos; + autoload_func_info *alfi; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &class_name) == FAILURE || Z_TYPE_P(class_name) != IS_STRING) { + return; + } + + if (SPL_G(autoload_functions)) { + int l_autoload_running = SPL_G(autoload_running); + SPL_G(autoload_running) = 1; + class_name_len = Z_STRLEN_P(class_name); + lc_name = zend_str_tolower_dup(Z_STRVAL_P(class_name), class_name_len); + zend_hash_internal_pointer_reset_ex(SPL_G(autoload_functions), &function_pos); + while(zend_hash_has_more_elements_ex(SPL_G(autoload_functions), &function_pos) == SUCCESS) { + zend_hash_get_current_key_ex(SPL_G(autoload_functions), &func_name, &func_name_len, &dummy, 0, &function_pos); + zend_hash_get_current_data_ex(SPL_G(autoload_functions), (void **) &alfi, &function_pos); + zend_call_method(alfi->obj ? &alfi->obj : NULL, alfi->ce, &alfi->func_ptr, func_name, func_name_len, &retval, 1, class_name, NULL TSRMLS_CC); + zend_exception_save(TSRMLS_C); + if (retval) { + zval_ptr_dtor(&retval); + retval = NULL; + } + if (zend_hash_exists(EG(class_table), lc_name, class_name_len + 1)) { + break; + } + zend_hash_move_forward_ex(SPL_G(autoload_functions), &function_pos); + } + zend_exception_restore(TSRMLS_C); + efree(lc_name); + SPL_G(autoload_running) = l_autoload_running; + } else { + /* do not use or overwrite &EG(autoload_func) here */ + zend_call_method_with_1_params(NULL, NULL, NULL, "spl_autoload", NULL, class_name); + } +} /* }}} */ + +#define HT_MOVE_TAIL_TO_HEAD(ht) \ + (ht)->pListTail->pListNext = (ht)->pListHead; \ + (ht)->pListHead = (ht)->pListTail; \ + (ht)->pListTail = (ht)->pListHead->pListLast; \ + (ht)->pListHead->pListNext->pListLast = (ht)->pListHead;\ + (ht)->pListTail->pListNext = NULL; \ + (ht)->pListHead->pListLast = NULL; + +/* {{{ proto bool spl_autoload_register([mixed autoload_function = "spl_autoload" [, throw = true [, prepend]]]) + Register given function as __autoload() implementation */ +PHP_FUNCTION(spl_autoload_register) +{ + char *func_name, *error = NULL; + int func_name_len; + char *lc_name = NULL; + zval *zcallable = NULL; + zend_bool do_throw = 1; + zend_bool prepend = 0; + zend_function *spl_func_ptr; + autoload_func_info alfi; + zval *obj_ptr; + zend_fcall_info_cache fcc; + + if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "|zbb", &zcallable, &do_throw, &prepend) == FAILURE) { + return; + } + + if (ZEND_NUM_ARGS()) { + if (Z_TYPE_P(zcallable) == IS_STRING) { + if (Z_STRLEN_P(zcallable) == sizeof("spl_autoload_call") - 1) { + if (!zend_binary_strcasecmp(Z_STRVAL_P(zcallable), sizeof("spl_autoload_call"), "spl_autoload_call", sizeof("spl_autoload_call"))) { + if (do_throw) { + zend_throw_exception_ex(spl_ce_LogicException, 0 TSRMLS_CC, "Function spl_autoload_call() cannot be registered"); + } + RETURN_FALSE; + } + } + } + + if (!zend_is_callable_ex(zcallable, NULL, IS_CALLABLE_STRICT, &func_name, &func_name_len, &fcc, &error TSRMLS_CC)) { + alfi.ce = fcc.calling_scope; + alfi.func_ptr = fcc.function_handler; + obj_ptr = fcc.object_ptr; + if (Z_TYPE_P(zcallable) == IS_ARRAY) { + if (!obj_ptr && alfi.func_ptr && !(alfi.func_ptr->common.fn_flags & ZEND_ACC_STATIC)) { + if (do_throw) { + zend_throw_exception_ex(spl_ce_LogicException, 0 TSRMLS_CC, "Passed array specifies a non static method but no object (%s)", error); + } + if (error) { + efree(error); + } + efree(func_name); + RETURN_FALSE; + } + else if (do_throw) { + zend_throw_exception_ex(spl_ce_LogicException, 0 TSRMLS_CC, "Passed array does not specify %s %smethod (%s)", alfi.func_ptr ? "a callable" : "an existing", !obj_ptr ? "static " : "", error); + } + if (error) { + efree(error); + } + efree(func_name); + RETURN_FALSE; + } else if (Z_TYPE_P(zcallable) == IS_STRING) { + if (do_throw) { + zend_throw_exception_ex(spl_ce_LogicException, 0 TSRMLS_CC, "Function '%s' not %s (%s)", func_name, alfi.func_ptr ? "callable" : "found", error); + } + if (error) { + efree(error); + } + efree(func_name); + RETURN_FALSE; + } else { + if (do_throw) { + zend_throw_exception_ex(spl_ce_LogicException, 0 TSRMLS_CC, "Illegal value passed (%s)", error); + } + if (error) { + efree(error); + } + efree(func_name); + RETURN_FALSE; + } + } + alfi.closure = NULL; + alfi.ce = fcc.calling_scope; + alfi.func_ptr = fcc.function_handler; + obj_ptr = fcc.object_ptr; + if (error) { + efree(error); + } + + lc_name = safe_emalloc(func_name_len, 1, sizeof(long) + 1); + zend_str_tolower_copy(lc_name, func_name, func_name_len); + efree(func_name); + + if (Z_TYPE_P(zcallable) == IS_OBJECT) { + alfi.closure = zcallable; + Z_ADDREF_P(zcallable); + + lc_name = erealloc(lc_name, func_name_len + 2 + sizeof(zend_object_handle)); + memcpy(lc_name + func_name_len, &Z_OBJ_HANDLE_P(zcallable), + sizeof(zend_object_handle)); + func_name_len += sizeof(zend_object_handle); + lc_name[func_name_len] = '\0'; + } + + if (SPL_G(autoload_functions) && zend_hash_exists(SPL_G(autoload_functions), (char*)lc_name, func_name_len+1)) { + if (alfi.closure) { + Z_DELREF_P(zcallable); + } + goto skip; + } + + if (obj_ptr && !(alfi.func_ptr->common.fn_flags & ZEND_ACC_STATIC)) { + /* add object id to the hash to ensure uniqueness, for more reference look at bug #40091 */ + lc_name = erealloc(lc_name, func_name_len + 2 + sizeof(zend_object_handle)); + memcpy(lc_name + func_name_len, &Z_OBJ_HANDLE_P(obj_ptr), sizeof(zend_object_handle)); + func_name_len += sizeof(zend_object_handle); + lc_name[func_name_len] = '\0'; + alfi.obj = obj_ptr; + Z_ADDREF_P(alfi.obj); + } else { + alfi.obj = NULL; + } + + if (!SPL_G(autoload_functions)) { + ALLOC_HASHTABLE(SPL_G(autoload_functions)); + zend_hash_init(SPL_G(autoload_functions), 1, NULL, (dtor_func_t) autoload_func_info_dtor, 0); + } + + zend_hash_find(EG(function_table), "spl_autoload", sizeof("spl_autoload"), (void **) &spl_func_ptr); + + if (EG(autoload_func) == spl_func_ptr) { /* registered already, so we insert that first */ + autoload_func_info spl_alfi; + + spl_alfi.func_ptr = spl_func_ptr; + spl_alfi.obj = NULL; + spl_alfi.ce = NULL; + spl_alfi.closure = NULL; + zend_hash_add(SPL_G(autoload_functions), "spl_autoload", sizeof("spl_autoload"), &spl_alfi, sizeof(autoload_func_info), NULL); + if (prepend && SPL_G(autoload_functions)->nNumOfElements > 1) { + /* Move the newly created element to the head of the hashtable */ + HT_MOVE_TAIL_TO_HEAD(SPL_G(autoload_functions)); + } + } + + if (zend_hash_add(SPL_G(autoload_functions), lc_name, func_name_len+1, &alfi.func_ptr, sizeof(autoload_func_info), NULL) == FAILURE) { + if (obj_ptr && !(alfi.func_ptr->common.fn_flags & ZEND_ACC_STATIC)) { + Z_DELREF_P(alfi.obj); + } + if (alfi.closure) { + Z_DELREF_P(alfi.closure); + } + } + if (prepend && SPL_G(autoload_functions)->nNumOfElements > 1) { + /* Move the newly created element to the head of the hashtable */ + HT_MOVE_TAIL_TO_HEAD(SPL_G(autoload_functions)); + } +skip: + efree(lc_name); + } + + if (SPL_G(autoload_functions)) { + zend_hash_find(EG(function_table), "spl_autoload_call", sizeof("spl_autoload_call"), (void **) &EG(autoload_func)); + } else { + zend_hash_find(EG(function_table), "spl_autoload", sizeof("spl_autoload"), (void **) &EG(autoload_func)); + } + RETURN_TRUE; +} /* }}} */ + +/* {{{ proto bool spl_autoload_unregister(mixed autoload_function) + Unregister given function as __autoload() implementation */ +PHP_FUNCTION(spl_autoload_unregister) +{ + char *func_name, *error = NULL; + int func_name_len; + char *lc_name = NULL; + zval *zcallable; + int success = FAILURE; + zend_function *spl_func_ptr; + zval *obj_ptr; + zend_fcall_info_cache fcc; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &zcallable) == FAILURE) { + return; + } + + if (!zend_is_callable_ex(zcallable, NULL, IS_CALLABLE_CHECK_SYNTAX_ONLY, &func_name, &func_name_len, &fcc, &error TSRMLS_CC)) { + zend_throw_exception_ex(spl_ce_LogicException, 0 TSRMLS_CC, "Unable to unregister invalid function (%s)", error); + if (error) { + efree(error); + } + if (func_name) { + efree(func_name); + } + RETURN_FALSE; + } + obj_ptr = fcc.object_ptr; + if (error) { + efree(error); + } + + lc_name = safe_emalloc(func_name_len, 1, sizeof(long) + 1); + zend_str_tolower_copy(lc_name, func_name, func_name_len); + efree(func_name); + + if (Z_TYPE_P(zcallable) == IS_OBJECT) { + lc_name = erealloc(lc_name, func_name_len + 2 + sizeof(zend_object_handle)); + memcpy(lc_name + func_name_len, &Z_OBJ_HANDLE_P(zcallable), + sizeof(zend_object_handle)); + func_name_len += sizeof(zend_object_handle); + lc_name[func_name_len] = '\0'; + } + + if (SPL_G(autoload_functions)) { + if (func_name_len == sizeof("spl_autoload_call")-1 && !strcmp(lc_name, "spl_autoload_call")) { + /* remove all */ + zend_hash_destroy(SPL_G(autoload_functions)); + FREE_HASHTABLE(SPL_G(autoload_functions)); + SPL_G(autoload_functions) = NULL; + EG(autoload_func) = NULL; + success = SUCCESS; + } else { + /* remove specific */ + success = zend_hash_del(SPL_G(autoload_functions), lc_name, func_name_len+1); + if (success != SUCCESS && obj_ptr) { + lc_name = erealloc(lc_name, func_name_len + 2 + sizeof(zend_object_handle)); + memcpy(lc_name + func_name_len, &Z_OBJ_HANDLE_P(obj_ptr), sizeof(zend_object_handle)); + func_name_len += sizeof(zend_object_handle); + lc_name[func_name_len] = '\0'; + success = zend_hash_del(SPL_G(autoload_functions), lc_name, func_name_len+1); + } + } + } else if (func_name_len == sizeof("spl_autoload")-1 && !strcmp(lc_name, "spl_autoload")) { + /* register single spl_autoload() */ + zend_hash_find(EG(function_table), "spl_autoload", sizeof("spl_autoload"), (void **) &spl_func_ptr); + + if (EG(autoload_func) == spl_func_ptr) { + success = SUCCESS; + EG(autoload_func) = NULL; + } + } + + efree(lc_name); + RETURN_BOOL(success == SUCCESS); +} /* }}} */ + +/* {{{ proto false|array spl_autoload_functions() + Return all registered __autoload() functionns */ +PHP_FUNCTION(spl_autoload_functions) +{ + zend_function *fptr; + HashPosition function_pos; + autoload_func_info *alfi; + + if (zend_parse_parameters_none() == FAILURE) { + return; + } + + if (!EG(autoload_func)) { + if (zend_hash_find(EG(function_table), ZEND_AUTOLOAD_FUNC_NAME, sizeof(ZEND_AUTOLOAD_FUNC_NAME), (void **) &fptr) == SUCCESS) { + array_init(return_value); + add_next_index_stringl(return_value, ZEND_AUTOLOAD_FUNC_NAME, sizeof(ZEND_AUTOLOAD_FUNC_NAME)-1, 1); + return; + } + RETURN_FALSE; + } + + zend_hash_find(EG(function_table), "spl_autoload_call", sizeof("spl_autoload_call"), (void **) &fptr); + + if (EG(autoload_func) == fptr) { + array_init(return_value); + zend_hash_internal_pointer_reset_ex(SPL_G(autoload_functions), &function_pos); + while(zend_hash_has_more_elements_ex(SPL_G(autoload_functions), &function_pos) == SUCCESS) { + zend_hash_get_current_data_ex(SPL_G(autoload_functions), (void **) &alfi, &function_pos); + if (alfi->closure) { + Z_ADDREF_P(alfi->closure); + add_next_index_zval(return_value, alfi->closure); + } else if (alfi->func_ptr->common.scope) { + zval *tmp; + MAKE_STD_ZVAL(tmp); + array_init(tmp); + + if (alfi->obj) { + Z_ADDREF_P(alfi->obj); + add_next_index_zval(tmp, alfi->obj); + } else { + add_next_index_string(tmp, alfi->ce->name, 1); + } + add_next_index_string(tmp, alfi->func_ptr->common.function_name, 1); + add_next_index_zval(return_value, tmp); + } else + add_next_index_string(return_value, alfi->func_ptr->common.function_name, 1); + + zend_hash_move_forward_ex(SPL_G(autoload_functions), &function_pos); + } + return; + } + + array_init(return_value); + add_next_index_string(return_value, EG(autoload_func)->common.function_name, 1); +} /* }}} */ + +/* {{{ proto string spl_object_hash(object obj) + Return hash id for given object */ +PHP_FUNCTION(spl_object_hash) +{ + zval *obj; + char* hash; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "o", &obj) == FAILURE) { + return; + } + + hash = emalloc(33); + php_spl_object_hash(obj, hash TSRMLS_CC); + + RETVAL_STRING(hash, 0); +} +/* }}} */ + +PHPAPI void php_spl_object_hash(zval *obj, char *result TSRMLS_DC) /* {{{*/ +{ + intptr_t hash_handle, hash_handlers; + char *hex; + + if (!SPL_G(hash_mask_init)) { + if (!BG(mt_rand_is_seeded)) { + php_mt_srand(GENERATE_SEED() TSRMLS_CC); + } + + SPL_G(hash_mask_handle) = (intptr_t)(php_mt_rand(TSRMLS_C) >> 1); + SPL_G(hash_mask_handlers) = (intptr_t)(php_mt_rand(TSRMLS_C) >> 1); + SPL_G(hash_mask_init) = 1; + } + + hash_handle = SPL_G(hash_mask_handle)^(intptr_t)Z_OBJ_HANDLE_P(obj); + hash_handlers = SPL_G(hash_mask_handlers)^(intptr_t)Z_OBJ_HT_P(obj); + + spprintf(&hex, 32, "%016x%016x", hash_handle, hash_handlers); + + strlcpy(result, hex, 33); + efree(hex); +} +/* }}} */ + +int spl_build_class_list_string(zval **entry, char **list TSRMLS_DC) /* {{{ */ +{ + char *res; + + spprintf(&res, 0, "%s, %s", *list, Z_STRVAL_PP(entry)); + efree(*list); + *list = res; + return ZEND_HASH_APPLY_KEEP; +} /* }}} */ + +/* {{{ PHP_MINFO(spl) + */ +PHP_MINFO_FUNCTION(spl) +{ + zval list; + char *strg; + + php_info_print_table_start(); + php_info_print_table_header(2, "SPL support", "enabled"); + + INIT_PZVAL(&list); + array_init(&list); + SPL_LIST_CLASSES(&list, 0, 1, ZEND_ACC_INTERFACE) + strg = estrdup(""); + zend_hash_apply_with_argument(Z_ARRVAL_P(&list), (apply_func_arg_t)spl_build_class_list_string, &strg TSRMLS_CC); + zval_dtor(&list); + php_info_print_table_row(2, "Interfaces", strg + 2); + efree(strg); + + INIT_PZVAL(&list); + array_init(&list); + SPL_LIST_CLASSES(&list, 0, -1, ZEND_ACC_INTERFACE) + strg = estrdup(""); + zend_hash_apply_with_argument(Z_ARRVAL_P(&list), (apply_func_arg_t)spl_build_class_list_string, &strg TSRMLS_CC); + zval_dtor(&list); + php_info_print_table_row(2, "Classes", strg + 2); + efree(strg); + + php_info_print_table_end(); +} +/* }}} */ + +/* {{{ arginfo */ +ZEND_BEGIN_ARG_INFO_EX(arginfo_iterator_to_array, 0, 0, 1) + ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0) + ZEND_ARG_INFO(0, use_keys) +ZEND_END_ARG_INFO(); + +ZEND_BEGIN_ARG_INFO(arginfo_iterator, 0) + ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0) +ZEND_END_ARG_INFO(); + +ZEND_BEGIN_ARG_INFO_EX(arginfo_iterator_apply, 0, 0, 2) + ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0) + ZEND_ARG_INFO(0, function) + ZEND_ARG_ARRAY_INFO(0, args, 1) +ZEND_END_ARG_INFO(); + +ZEND_BEGIN_ARG_INFO_EX(arginfo_class_parents, 0, 0, 1) + ZEND_ARG_INFO(0, instance) + ZEND_ARG_INFO(0, autoload) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_class_implements, 0, 0, 1) + ZEND_ARG_INFO(0, what) + ZEND_ARG_INFO(0, autoload) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_class_uses, 0, 0, 1) + ZEND_ARG_INFO(0, what) + ZEND_ARG_INFO(0, autoload) +ZEND_END_ARG_INFO() + + +ZEND_BEGIN_ARG_INFO(arginfo_spl_classes, 0) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO(arginfo_spl_autoload_functions, 0) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload, 0, 0, 1) + ZEND_ARG_INFO(0, class_name) + ZEND_ARG_INFO(0, file_extensions) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_extensions, 0, 0, 0) + ZEND_ARG_INFO(0, file_extensions) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_call, 0, 0, 1) + ZEND_ARG_INFO(0, class_name) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_register, 0, 0, 0) + ZEND_ARG_INFO(0, autoload_function) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_unregister, 0, 0, 1) + ZEND_ARG_INFO(0, autoload_function) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_object_hash, 0, 0, 1) + ZEND_ARG_INFO(0, obj) +ZEND_END_ARG_INFO() +/* }}} */ + +/* {{{ spl_functions + */ +const zend_function_entry spl_functions[] = { + PHP_FE(spl_classes, arginfo_spl_classes) + PHP_FE(spl_autoload, arginfo_spl_autoload) + PHP_FE(spl_autoload_extensions, arginfo_spl_autoload_extensions) + PHP_FE(spl_autoload_register, arginfo_spl_autoload_register) + PHP_FE(spl_autoload_unregister, arginfo_spl_autoload_unregister) + PHP_FE(spl_autoload_functions, arginfo_spl_autoload_functions) + PHP_FE(spl_autoload_call, arginfo_spl_autoload_call) + PHP_FE(class_parents, arginfo_class_parents) + PHP_FE(class_implements, arginfo_class_implements) + PHP_FE(class_uses, arginfo_class_uses) + PHP_FE(spl_object_hash, arginfo_spl_object_hash) +#ifdef SPL_ITERATORS_H + PHP_FE(iterator_to_array, arginfo_iterator_to_array) + PHP_FE(iterator_count, arginfo_iterator) + PHP_FE(iterator_apply, arginfo_iterator_apply) +#endif /* SPL_ITERATORS_H */ + PHP_FE_END +}; +/* }}} */ + +/* {{{ PHP_MINIT_FUNCTION(spl) + */ +PHP_MINIT_FUNCTION(spl) +{ + PHP_MINIT(spl_exceptions)(INIT_FUNC_ARGS_PASSTHRU); + PHP_MINIT(spl_iterators)(INIT_FUNC_ARGS_PASSTHRU); + PHP_MINIT(spl_array)(INIT_FUNC_ARGS_PASSTHRU); + PHP_MINIT(spl_directory)(INIT_FUNC_ARGS_PASSTHRU); + PHP_MINIT(spl_dllist)(INIT_FUNC_ARGS_PASSTHRU); + PHP_MINIT(spl_heap)(INIT_FUNC_ARGS_PASSTHRU); + PHP_MINIT(spl_fixedarray)(INIT_FUNC_ARGS_PASSTHRU); + PHP_MINIT(spl_observer)(INIT_FUNC_ARGS_PASSTHRU); + + return SUCCESS; +} +/* }}} */ + +PHP_RINIT_FUNCTION(spl) /* {{{ */ +{ + SPL_G(autoload_extensions) = NULL; + SPL_G(autoload_extensions_len) = 0; + SPL_G(autoload_functions) = NULL; + SPL_G(hash_mask_init) = 0; + return SUCCESS; +} /* }}} */ + +PHP_RSHUTDOWN_FUNCTION(spl) /* {{{ */ +{ + if (SPL_G(autoload_extensions)) { + efree(SPL_G(autoload_extensions)); + SPL_G(autoload_extensions) = NULL; + SPL_G(autoload_extensions_len) = 0; + } + if (SPL_G(autoload_functions)) { + zend_hash_destroy(SPL_G(autoload_functions)); + FREE_HASHTABLE(SPL_G(autoload_functions)); + SPL_G(autoload_functions) = NULL; + } + if (SPL_G(hash_mask_init)) { + SPL_G(hash_mask_init) = 0; + } + return SUCCESS; +} /* }}} */ + +/* {{{ spl_module_entry + */ +zend_module_entry spl_module_entry = { + STANDARD_MODULE_HEADER, + "SPL", + spl_functions, + PHP_MINIT(spl), + NULL, + PHP_RINIT(spl), + PHP_RSHUTDOWN(spl), + PHP_MINFO(spl), + "0.2", + PHP_MODULE_GLOBALS(spl), + PHP_GINIT(spl), + NULL, + NULL, + STANDARD_MODULE_PROPERTIES_EX +}; +/* }}} */ + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * End: + * vim600: fdm=marker + * vim: noet sw=4 ts=4 + */ |