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php-src/ext/spl/spl_iterators.c

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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2010 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 "ext/standard/info.h"
#include "zend_exceptions.h"
#include "zend_interfaces.h"
#include "php_spl.h"
#include "spl_functions.h"
#include "spl_engine.h"
#include "spl_iterators.h"
#include "spl_directory.h"
#include "spl_array.h"
#include "spl_exceptions.h"
#include "ext/standard/php_smart_str.h"
#ifdef accept
#undef accept
#endif
PHPAPI zend_class_entry *spl_ce_RecursiveIterator;
PHPAPI zend_class_entry *spl_ce_RecursiveIteratorIterator;
PHPAPI zend_class_entry *spl_ce_FilterIterator;
PHPAPI zend_class_entry *spl_ce_RecursiveFilterIterator;
PHPAPI zend_class_entry *spl_ce_ParentIterator;
PHPAPI zend_class_entry *spl_ce_SeekableIterator;
PHPAPI zend_class_entry *spl_ce_LimitIterator;
PHPAPI zend_class_entry *spl_ce_CachingIterator;
PHPAPI zend_class_entry *spl_ce_RecursiveCachingIterator;
PHPAPI zend_class_entry *spl_ce_OuterIterator;
PHPAPI zend_class_entry *spl_ce_IteratorIterator;
PHPAPI zend_class_entry *spl_ce_NoRewindIterator;
PHPAPI zend_class_entry *spl_ce_InfiniteIterator;
PHPAPI zend_class_entry *spl_ce_EmptyIterator;
PHPAPI zend_class_entry *spl_ce_AppendIterator;
PHPAPI zend_class_entry *spl_ce_RegexIterator;
PHPAPI zend_class_entry *spl_ce_RecursiveRegexIterator;
PHPAPI zend_class_entry *spl_ce_Countable;
PHPAPI zend_class_entry *spl_ce_RecursiveTreeIterator;
ZEND_BEGIN_ARG_INFO(arginfo_recursive_it_void, 0)
ZEND_END_ARG_INFO()
const zend_function_entry spl_funcs_RecursiveIterator[] = {
SPL_ABSTRACT_ME(RecursiveIterator, hasChildren, arginfo_recursive_it_void)
SPL_ABSTRACT_ME(RecursiveIterator, getChildren, arginfo_recursive_it_void)
{NULL, NULL, NULL}
};
typedef enum {
RIT_LEAVES_ONLY = 0,
RIT_SELF_FIRST = 1,
RIT_CHILD_FIRST = 2
} RecursiveIteratorMode;
#define RIT_CATCH_GET_CHILD CIT_CATCH_GET_CHILD
typedef enum {
RTIT_BYPASS_CURRENT = 4,
RTIT_BYPASS_KEY = 8
} RecursiveTreeIteratorFlags;
typedef enum {
RS_NEXT = 0,
RS_TEST = 1,
RS_SELF = 2,
RS_CHILD = 3,
RS_START = 4
} RecursiveIteratorState;
typedef struct _spl_sub_iterator {
zend_object_iterator *iterator;
zval *zobject;
zend_class_entry *ce;
RecursiveIteratorState state;
} spl_sub_iterator;
typedef struct _spl_recursive_it_object {
zend_object std;
spl_sub_iterator *iterators;
int level;
RecursiveIteratorMode mode;
int flags;
int max_depth;
zend_bool in_iteration;
zend_function *beginIteration;
zend_function *endIteration;
zend_function *callHasChildren;
zend_function *callGetChildren;
zend_function *beginChildren;
zend_function *endChildren;
zend_function *nextElement;
zend_class_entry *ce;
smart_str prefix[6];
} spl_recursive_it_object;
typedef struct _spl_recursive_it_iterator {
zend_object_iterator intern;
zval *zobject;
} spl_recursive_it_iterator;
static zend_object_handlers spl_handlers_rec_it_it;
static zend_object_handlers spl_handlers_dual_it;
static void spl_recursive_it_dtor(zend_object_iterator *_iter TSRMLS_DC)
{
spl_recursive_it_iterator *iter = (spl_recursive_it_iterator*)_iter;
spl_recursive_it_object *object = (spl_recursive_it_object*)_iter->data;
zend_object_iterator *sub_iter;
while (object->level) {
sub_iter = object->iterators[object->level].iterator;
sub_iter->funcs->dtor(sub_iter TSRMLS_CC);
zval_ptr_dtor(&object->iterators[object->level--].zobject);
}
object->iterators = erealloc(object->iterators, sizeof(spl_sub_iterator));
object->level = 0;
zval_ptr_dtor(&iter->zobject);
efree(iter);
}
static int spl_recursive_it_valid_ex(spl_recursive_it_object *object, zval *zthis TSRMLS_DC)
{
zend_object_iterator *sub_iter;
int level = object->level;
while (level >=0) {
sub_iter = object->iterators[level].iterator;
if (sub_iter->funcs->valid(sub_iter TSRMLS_CC) == SUCCESS) {
return SUCCESS;
}
level--;
}
if (object->endIteration && object->in_iteration) {
zend_call_method_with_0_params(&zthis, object->ce, &object->endIteration, "endIteration", NULL);
}
object->in_iteration = 0;
return FAILURE;
}
static int spl_recursive_it_valid(zend_object_iterator *iter TSRMLS_DC)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)iter->data;
return spl_recursive_it_valid_ex(object, ((spl_recursive_it_iterator*)iter)->zobject TSRMLS_CC);
}
static void spl_recursive_it_get_current_data(zend_object_iterator *iter, zval ***data TSRMLS_DC)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)iter->data;
zend_object_iterator *sub_iter = object->iterators[object->level].iterator;
sub_iter->funcs->get_current_data(sub_iter, data TSRMLS_CC);
}
static int spl_recursive_it_get_current_key(zend_object_iterator *iter, char **str_key, uint *str_key_len, ulong *int_key TSRMLS_DC)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)iter->data;
zend_object_iterator *sub_iter = object->iterators[object->level].iterator;
if (sub_iter->funcs->get_current_key) {
return sub_iter->funcs->get_current_key(sub_iter, str_key, str_key_len, int_key TSRMLS_CC);
} else {
*int_key = iter->index;
return HASH_KEY_IS_LONG;
}
}
static void spl_recursive_it_move_forward_ex(spl_recursive_it_object *object, zval *zthis TSRMLS_DC)
{
zend_object_iterator *iterator;
zval *zobject;
zend_class_entry *ce;
zval *retval, *child;
zend_object_iterator *sub_iter;
int has_children;
while (!EG(exception)) {
next_step:
iterator = object->iterators[object->level].iterator;
switch (object->iterators[object->level].state) {
case RS_NEXT:
iterator->funcs->move_forward(iterator TSRMLS_CC);
if (EG(exception)) {
if (!(object->flags & RIT_CATCH_GET_CHILD)) {
return;
} else {
zend_clear_exception(TSRMLS_C);
}
}
case RS_START:
if (iterator->funcs->valid(iterator TSRMLS_CC) == FAILURE) {
break;
}
object->iterators[object->level].state = RS_TEST;
/* break; */
case RS_TEST:
ce = object->iterators[object->level].ce;
zobject = object->iterators[object->level].zobject;
if (object->callHasChildren) {
zend_call_method_with_0_params(&zthis, object->ce, &object->callHasChildren, "callHasChildren", &retval);
} else {
zend_call_method_with_0_params(&zobject, ce, NULL, "haschildren", &retval);
}
if (EG(exception)) {
if (!(object->flags & RIT_CATCH_GET_CHILD)) {
object->iterators[object->level].state = RS_NEXT;
return;
} else {
zend_clear_exception(TSRMLS_C);
}
}
if (retval) {
has_children = zend_is_true(retval);
zval_ptr_dtor(&retval);
if (has_children) {
if (object->max_depth == -1 || object->max_depth > object->level) {
switch (object->mode) {
case RIT_LEAVES_ONLY:
case RIT_CHILD_FIRST:
object->iterators[object->level].state = RS_CHILD;
goto next_step;
case RIT_SELF_FIRST:
object->iterators[object->level].state = RS_SELF;
goto next_step;
}
} else {
/* do not recurse into */
if (object->mode == RIT_LEAVES_ONLY) {
/* this is not a leave, so skip it */
object->iterators[object->level].state = RS_NEXT;
goto next_step;
}
}
}
}
if (object->nextElement) {
zend_call_method_with_0_params(&zthis, object->ce, &object->nextElement, "nextelement", NULL);
}
object->iterators[object->level].state = RS_NEXT;
if (EG(exception)) {
if (!(object->flags & RIT_CATCH_GET_CHILD)) {
return;
} else {
zend_clear_exception(TSRMLS_C);
}
}
return /* self */;
case RS_SELF:
if (object->nextElement && (object->mode == RIT_SELF_FIRST || object->mode == RIT_CHILD_FIRST)) {
zend_call_method_with_0_params(&zthis, object->ce, &object->nextElement, "nextelement", NULL);
}
if (object->mode == RIT_SELF_FIRST) {
object->iterators[object->level].state = RS_CHILD;
} else {
object->iterators[object->level].state = RS_NEXT;
}
return /* self */;
case RS_CHILD:
ce = object->iterators[object->level].ce;
zobject = object->iterators[object->level].zobject;
if (object->callGetChildren) {
zend_call_method_with_0_params(&zthis, object->ce, &object->callGetChildren, "callGetChildren", &child);
} else {
zend_call_method_with_0_params(&zobject, ce, NULL, "getchildren", &child);
}
if (EG(exception)) {
if (!(object->flags & RIT_CATCH_GET_CHILD)) {
return;
} else {
zend_clear_exception(TSRMLS_C);
if (child) {
zval_ptr_dtor(&child);
}
object->iterators[object->level].state = RS_NEXT;
goto next_step;
}
}
ce = child && Z_TYPE_P(child) == IS_OBJECT ? Z_OBJCE_P(child) : NULL;
if (!ce || !instanceof_function(ce, spl_ce_RecursiveIterator TSRMLS_CC)) {
if (child) {
zval_ptr_dtor(&child);
}
zend_throw_exception(spl_ce_UnexpectedValueException, "Objects returned by RecursiveIterator::getChildren() must implement RecursiveIterator", 0 TSRMLS_CC);
return;
}
if (object->mode == RIT_CHILD_FIRST) {
object->iterators[object->level].state = RS_SELF;
} else {
object->iterators[object->level].state = RS_NEXT;
}
object->iterators = erealloc(object->iterators, sizeof(spl_sub_iterator) * (++object->level+1));
sub_iter = ce->get_iterator(ce, child, 0 TSRMLS_CC);
object->iterators[object->level].iterator = sub_iter;
object->iterators[object->level].zobject = child;
object->iterators[object->level].ce = ce;
object->iterators[object->level].state = RS_START;
if (sub_iter->funcs->rewind) {
sub_iter->funcs->rewind(sub_iter TSRMLS_CC);
}
if (object->beginChildren) {
zend_call_method_with_0_params(&zthis, object->ce, &object->beginChildren, "beginchildren", NULL);
if (EG(exception)) {
if (!(object->flags & RIT_CATCH_GET_CHILD)) {
return;
} else {
zend_clear_exception(TSRMLS_C);
}
}
}
goto next_step;
}
/* no more elements */
if (object->level > 0) {
if (object->endChildren) {
zend_call_method_with_0_params(&zthis, object->ce, &object->endChildren, "endchildren", NULL);
if (EG(exception)) {
if (!(object->flags & RIT_CATCH_GET_CHILD)) {
return;
} else {
zend_clear_exception(TSRMLS_C);
}
}
}
iterator->funcs->dtor(iterator TSRMLS_CC);
zval_ptr_dtor(&object->iterators[object->level].zobject);
object->level--;
} else {
return; /* done completeley */
}
}
}
static void spl_recursive_it_rewind_ex(spl_recursive_it_object *object, zval *zthis TSRMLS_DC)
{
zend_object_iterator *sub_iter;
while (object->level) {
sub_iter = object->iterators[object->level].iterator;
sub_iter->funcs->dtor(sub_iter TSRMLS_CC);
zval_ptr_dtor(&object->iterators[object->level--].zobject);
if (!EG(exception) && (!object->endChildren || object->endChildren->common.scope != spl_ce_RecursiveIteratorIterator)) {
zend_call_method_with_0_params(&zthis, object->ce, &object->endChildren, "endchildren", NULL);
}
}
object->iterators = erealloc(object->iterators, sizeof(spl_sub_iterator));
object->iterators[0].state = RS_START;
sub_iter = object->iterators[0].iterator;
if (sub_iter->funcs->rewind) {
sub_iter->funcs->rewind(sub_iter TSRMLS_CC);
}
if (!EG(exception) && object->beginIteration && !object->in_iteration) {
zend_call_method_with_0_params(&zthis, object->ce, &object->beginIteration, "beginIteration", NULL);
}
object->in_iteration = 1;
spl_recursive_it_move_forward_ex(object, zthis TSRMLS_CC);
}
static void spl_recursive_it_move_forward(zend_object_iterator *iter TSRMLS_DC)
{
spl_recursive_it_move_forward_ex((spl_recursive_it_object*)iter->data, ((spl_recursive_it_iterator*)iter)->zobject TSRMLS_CC);
}
static void spl_recursive_it_rewind(zend_object_iterator *iter TSRMLS_DC)
{
spl_recursive_it_rewind_ex((spl_recursive_it_object*)iter->data, ((spl_recursive_it_iterator*)iter)->zobject TSRMLS_CC);
}
static zend_object_iterator *spl_recursive_it_get_iterator(zend_class_entry *ce, zval *zobject, int by_ref TSRMLS_DC)
{
spl_recursive_it_iterator *iterator;
spl_recursive_it_object *object;
if (by_ref) {
zend_error(E_ERROR, "An iterator cannot be used with foreach by reference");
}
iterator = emalloc(sizeof(spl_recursive_it_iterator));
object = (spl_recursive_it_object*)zend_object_store_get_object(zobject TSRMLS_CC);
Z_ADDREF_P(zobject);
iterator->intern.data = (void*)object;
iterator->intern.funcs = ce->iterator_funcs.funcs;
iterator->zobject = zobject;
return (zend_object_iterator*)iterator;
}
zend_object_iterator_funcs spl_recursive_it_iterator_funcs = {
spl_recursive_it_dtor,
spl_recursive_it_valid,
spl_recursive_it_get_current_data,
spl_recursive_it_get_current_key,
spl_recursive_it_move_forward,
spl_recursive_it_rewind
};
static void spl_recursive_it_it_construct(INTERNAL_FUNCTION_PARAMETERS, zend_class_entry *ce_base, zend_class_entry *ce_inner, recursive_it_it_type rit_type)
{
zval *object = getThis();
spl_recursive_it_object *intern;
zval *iterator;
zend_class_entry *ce_iterator;
long mode, flags;
int inc_refcount = 1;
zend_error_handling error_handling;
zend_replace_error_handling(EH_THROW, spl_ce_InvalidArgumentException, &error_handling TSRMLS_CC);
switch(rit_type) {
case RIT_RecursiveTreeIterator: {
zval *caching_it, *caching_it_flags, *user_caching_it_flags = NULL;
mode = RIT_SELF_FIRST;
flags = RTIT_BYPASS_KEY;
if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "o|lzl", &iterator, &flags, &user_caching_it_flags, &mode) == SUCCESS) {
if (instanceof_function(Z_OBJCE_P(iterator), zend_ce_aggregate TSRMLS_CC)) {
zval *aggregate = iterator;
zend_call_method_with_0_params(&aggregate, Z_OBJCE_P(aggregate), &Z_OBJCE_P(aggregate)->iterator_funcs.zf_new_iterator, "getiterator", &iterator);
inc_refcount = 0;
}
MAKE_STD_ZVAL(caching_it_flags);
if (user_caching_it_flags) {
ZVAL_ZVAL(caching_it_flags, user_caching_it_flags, 1, 0);
} else {
ZVAL_LONG(caching_it_flags, CIT_CATCH_GET_CHILD);
}
spl_instantiate_arg_ex2(spl_ce_RecursiveCachingIterator, &caching_it, 1, iterator, caching_it_flags TSRMLS_CC);
zval_ptr_dtor(&caching_it_flags);
if (inc_refcount == 0 && iterator) {
zval_ptr_dtor(&iterator);
}
iterator = caching_it;
inc_refcount = 0;
} else {
iterator = NULL;
}
break;
}
case RIT_RecursiveIteratorIterator:
default: {
mode = RIT_LEAVES_ONLY;
flags = 0;
if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "o|ll", &iterator, &mode, &flags) == SUCCESS) {
if (instanceof_function(Z_OBJCE_P(iterator), zend_ce_aggregate TSRMLS_CC)) {
zval *aggregate = iterator;
zend_call_method_with_0_params(&aggregate, Z_OBJCE_P(aggregate), &Z_OBJCE_P(aggregate)->iterator_funcs.zf_new_iterator, "getiterator", &iterator);
inc_refcount = 0;
}
} else {
iterator = NULL;
}
break;
}
}
if (!iterator || !instanceof_function(Z_OBJCE_P(iterator), spl_ce_RecursiveIterator TSRMLS_CC)) {
if (iterator && !inc_refcount) {
zval_ptr_dtor(&iterator);
}
zend_throw_exception(spl_ce_InvalidArgumentException, "An instance of RecursiveIterator or IteratorAggregate creating it is required", 0 TSRMLS_CC);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
intern = (spl_recursive_it_object*)zend_object_store_get_object(object TSRMLS_CC);
intern->iterators = emalloc(sizeof(spl_sub_iterator));
intern->level = 0;
intern->mode = mode;
intern->flags = flags;
intern->max_depth = -1;
intern->in_iteration = 0;
intern->ce = Z_OBJCE_P(object);
zend_hash_find(&intern->ce->function_table, "beginiteration", sizeof("beginiteration"), (void **) &intern->beginIteration);
if (intern->beginIteration->common.scope == ce_base) {
intern->beginIteration = NULL;
}
zend_hash_find(&intern->ce->function_table, "enditeration", sizeof("enditeration"), (void **) &intern->endIteration);
if (intern->endIteration->common.scope == ce_base) {
intern->endIteration = NULL;
}
zend_hash_find(&intern->ce->function_table, "callhaschildren", sizeof("callHasChildren"), (void **) &intern->callHasChildren);
if (intern->callHasChildren->common.scope == ce_base) {
intern->callHasChildren = NULL;
}
zend_hash_find(&intern->ce->function_table, "callgetchildren", sizeof("callGetChildren"), (void **) &intern->callGetChildren);
if (intern->callGetChildren->common.scope == ce_base) {
intern->callGetChildren = NULL;
}
zend_hash_find(&intern->ce->function_table, "beginchildren", sizeof("beginchildren"), (void **) &intern->beginChildren);
if (intern->beginChildren->common.scope == ce_base) {
intern->beginChildren = NULL;
}
zend_hash_find(&intern->ce->function_table, "endchildren", sizeof("endchildren"), (void **) &intern->endChildren);
if (intern->endChildren->common.scope == ce_base) {
intern->endChildren = NULL;
}
zend_hash_find(&intern->ce->function_table, "nextelement", sizeof("nextElement"), (void **) &intern->nextElement);
if (intern->nextElement->common.scope == ce_base) {
intern->nextElement = NULL;
}
ce_iterator = Z_OBJCE_P(iterator); /* respect inheritance, don't use spl_ce_RecursiveIterator */
intern->iterators[0].iterator = ce_iterator->get_iterator(ce_iterator, iterator, 0 TSRMLS_CC);
if (inc_refcount) {
Z_ADDREF_P(iterator);
}
intern->iterators[0].zobject = iterator;
intern->iterators[0].ce = ce_iterator;
intern->iterators[0].state = RS_START;
zend_restore_error_handling(&error_handling TSRMLS_CC);
}
/* {{{ proto void RecursiveIteratorIterator::__construct(RecursiveIterator|IteratorAggregate it [, int mode = RIT_LEAVES_ONLY [, int flags = 0]]) throws InvalidArgumentException
Creates a RecursiveIteratorIterator from a RecursiveIterator. */
SPL_METHOD(RecursiveIteratorIterator, __construct)
{
spl_recursive_it_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_RecursiveIteratorIterator, zend_ce_iterator, RIT_RecursiveIteratorIterator);
} /* }}} */
/* {{{ proto void RecursiveIteratorIterator::rewind()
Rewind the iterator to the first element of the top level inner iterator. */
SPL_METHOD(RecursiveIteratorIterator, rewind)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_recursive_it_rewind_ex(object, getThis() TSRMLS_CC);
} /* }}} */
/* {{{ proto bool RecursiveIteratorIterator::valid()
Check whether the current position is valid */
SPL_METHOD(RecursiveIteratorIterator, valid)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_BOOL(spl_recursive_it_valid_ex(object, getThis() TSRMLS_CC) == SUCCESS);
} /* }}} */
/* {{{ proto mixed RecursiveIteratorIterator::key()
Access the current key */
SPL_METHOD(RecursiveIteratorIterator, key)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
zend_object_iterator *iterator = object->iterators[object->level].iterator;
if (iterator->funcs->get_current_key) {
char *str_key;
uint str_key_len;
ulong int_key;
switch (iterator->funcs->get_current_key(iterator, &str_key, &str_key_len, &int_key TSRMLS_CC)) {
case HASH_KEY_IS_LONG:
RETURN_LONG(int_key);
break;
case HASH_KEY_IS_STRING:
RETURN_STRINGL(str_key, str_key_len-1, 0);
break;
default:
RETURN_NULL();
}
} else {
RETURN_NULL();
}
} /* }}} */
/* {{{ proto mixed RecursiveIteratorIterator::current()
Access the current element value */
SPL_METHOD(RecursiveIteratorIterator, current)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
zend_object_iterator *iterator = object->iterators[object->level].iterator;
zval **data;
iterator->funcs->get_current_data(iterator, &data TSRMLS_CC);
if (data && *data) {
RETURN_ZVAL(*data, 1, 0);
}
} /* }}} */
/* {{{ proto void RecursiveIteratorIterator::next()
Move forward to the next element */
SPL_METHOD(RecursiveIteratorIterator, next)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_recursive_it_move_forward_ex(object, getThis() TSRMLS_CC);
} /* }}} */
/* {{{ proto int RecursiveIteratorIterator::getDepth()
Get the current depth of the recursive iteration */
SPL_METHOD(RecursiveIteratorIterator, getDepth)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_LONG(object->level);
} /* }}} */
/* {{{ proto RecursiveIterator RecursiveIteratorIterator::getSubIterator([int level])
The current active sub iterator or the iterator at specified level */
SPL_METHOD(RecursiveIteratorIterator, getSubIterator)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
long level = object->level;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &level) == FAILURE) {
return;
}
if (level < 0 || level > object->level) {
RETURN_NULL();
}
RETURN_ZVAL(object->iterators[level].zobject, 1, 0);
} /* }}} */
/* {{{ proto RecursiveIterator RecursiveIteratorIterator::getInnerIterator()
The current active sub iterator */
SPL_METHOD(RecursiveIteratorIterator, getInnerIterator)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
long level = object->level;
RETURN_ZVAL(object->iterators[level].zobject, 1, 0);
} /* }}} */
/* {{{ proto RecursiveIterator RecursiveIteratorIterator::beginIteration()
Called when iteration begins (after first rewind() call) */
SPL_METHOD(RecursiveIteratorIterator, beginIteration)
{
/* nothing to do */
} /* }}} */
/* {{{ proto RecursiveIterator RecursiveIteratorIterator::endIteration()
Called when iteration ends (when valid() first returns false */
SPL_METHOD(RecursiveIteratorIterator, endIteration)
{
/* nothing to do */
} /* }}} */
/* {{{ proto bool RecursiveIteratorIterator::callHasChildren()
Called for each element to test whether it has children */
SPL_METHOD(RecursiveIteratorIterator, callHasChildren)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
zend_class_entry *ce = object->iterators[object->level].ce;
zval *retval, *zobject;
zobject = object->iterators[object->level].zobject;
if (!zobject) {
RETURN_FALSE;
} else {
zend_call_method_with_0_params(&zobject, ce, NULL, "haschildren", &retval);
if (retval) {
RETURN_ZVAL(retval, 0, 1);
} else {
RETURN_FALSE;
}
}
} /* }}} */
/* {{{ proto RecursiveIterator RecursiveIteratorIterator::callGetChildren()
Return children of current element */
SPL_METHOD(RecursiveIteratorIterator, callGetChildren)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
zend_class_entry *ce = object->iterators[object->level].ce;
zval *retval, *zobject;
zobject = object->iterators[object->level].zobject;
if (!zobject) {
return;
} else {
zend_call_method_with_0_params(&zobject, ce, NULL, "getchildren", &retval);
if (retval) {
RETURN_ZVAL(retval, 0, 1);
}
}
} /* }}} */
/* {{{ proto void RecursiveIteratorIterator::beginChildren()
Called when recursing one level down */
SPL_METHOD(RecursiveIteratorIterator, beginChildren)
{
/* nothing to do */
} /* }}} */
/* {{{ proto void RecursiveIteratorIterator::endChildren()
Called when end recursing one level */
SPL_METHOD(RecursiveIteratorIterator, endChildren)
{
/* nothing to do */
} /* }}} */
/* {{{ proto void RecursiveIteratorIterator::nextElement()
Called when the next element is available */
SPL_METHOD(RecursiveIteratorIterator, nextElement)
{
/* nothing to do */
} /* }}} */
/* {{{ proto void RecursiveIteratorIterator::setMaxDepth([$max_depth = -1])
Set the maximum allowed depth (or any depth if pmax_depth = -1] */
SPL_METHOD(RecursiveIteratorIterator, setMaxDepth)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
long max_depth = -1;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &max_depth) == FAILURE) {
return;
}
if (max_depth < -1) {
zend_throw_exception(spl_ce_OutOfRangeException, "Parameter max_depth must be >= -1", 0 TSRMLS_CC);
return;
}
object->max_depth = max_depth;
} /* }}} */
/* {{{ proto int|false RecursiveIteratorIterator::getMaxDepth()
Return the maximum accepted depth or false if any depth is allowed */
SPL_METHOD(RecursiveIteratorIterator, getMaxDepth)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (object->max_depth == -1) {
RETURN_FALSE;
} else {
RETURN_LONG(object->max_depth);
}
} /* }}} */
static union _zend_function *spl_recursive_it_get_method(zval **object_ptr, char *method, int method_len, const zend_literal *key TSRMLS_DC)
{
union _zend_function *function_handler;
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(*object_ptr TSRMLS_CC);
long level = object->level;
zval *zobj;
if (!object->iterators) {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "The %s instance wasn't initialized properly", Z_OBJCE_PP(object_ptr)->name);
}
zobj = object->iterators[level].zobject;
function_handler = std_object_handlers.get_method(object_ptr, method, method_len, key TSRMLS_CC);
if (!function_handler) {
if (zend_hash_find(&Z_OBJCE_P(zobj)->function_table, method, method_len+1, (void **) &function_handler) == FAILURE) {
if (Z_OBJ_HT_P(zobj)->get_method) {
*object_ptr = zobj;
function_handler = Z_OBJ_HT_P(*object_ptr)->get_method(object_ptr, method, method_len, key TSRMLS_CC);
}
}
}
return function_handler;
}
/* {{{ spl_RecursiveIteratorIterator_dtor */
static void spl_RecursiveIteratorIterator_free_storage(void *_object TSRMLS_DC)
{
spl_recursive_it_object *object = (spl_recursive_it_object *)_object;
zend_object_iterator *sub_iter;
if (object->iterators) {
while (object->level >= 0) {
sub_iter = object->iterators[object->level].iterator;
sub_iter->funcs->dtor(sub_iter TSRMLS_CC);
zval_ptr_dtor(&object->iterators[object->level--].zobject);
}
efree(object->iterators);
object->iterators = NULL;
}
zend_object_std_dtor(&object->std TSRMLS_CC);
smart_str_free(&object->prefix[0]);
smart_str_free(&object->prefix[1]);
smart_str_free(&object->prefix[2]);
smart_str_free(&object->prefix[3]);
smart_str_free(&object->prefix[4]);
smart_str_free(&object->prefix[5]);
efree(object);
}
/* }}} */
/* {{{ spl_RecursiveIteratorIterator_new_ex */
static zend_object_value spl_RecursiveIteratorIterator_new_ex(zend_class_entry *class_type, int init_prefix TSRMLS_DC)
{
zend_object_value retval;
spl_recursive_it_object *intern;
intern = emalloc(sizeof(spl_recursive_it_object));
memset(intern, 0, sizeof(spl_recursive_it_object));
if (init_prefix) {
smart_str_appendl(&intern->prefix[0], "", 0);
smart_str_appendl(&intern->prefix[1], "| ", 2);
smart_str_appendl(&intern->prefix[2], " ", 2);
smart_str_appendl(&intern->prefix[3], "|-", 2);
smart_str_appendl(&intern->prefix[4], "\\-", 2);
smart_str_appendl(&intern->prefix[5], "", 0);
}
zend_object_std_init(&intern->std, class_type TSRMLS_CC);
object_properties_init(&intern->std, class_type);
retval.handle = zend_objects_store_put(intern, (zend_objects_store_dtor_t)zend_objects_destroy_object, (zend_objects_free_object_storage_t) spl_RecursiveIteratorIterator_free_storage, NULL TSRMLS_CC);
retval.handlers = &spl_handlers_rec_it_it;
return retval;
}
/* }}} */
/* {{{ spl_RecursiveIteratorIterator_new */
static zend_object_value spl_RecursiveIteratorIterator_new(zend_class_entry *class_type TSRMLS_DC)
{
return spl_RecursiveIteratorIterator_new_ex(class_type, 0 TSRMLS_CC);
}
/* }}} */
/* {{{ spl_RecursiveTreeIterator_new */
static zend_object_value spl_RecursiveTreeIterator_new(zend_class_entry *class_type TSRMLS_DC)
{
return spl_RecursiveIteratorIterator_new_ex(class_type, 1 TSRMLS_CC);
}
/* }}} */
ZEND_BEGIN_ARG_INFO_EX(arginfo_recursive_it___construct, 0, 0, 1)
ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0)
ZEND_ARG_INFO(0, mode)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO_EX(arginfo_recursive_it_getSubIterator, 0, 0, 0)
ZEND_ARG_INFO(0, level)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO_EX(arginfo_recursive_it_setMaxDepth, 0, 0, 0)
ZEND_ARG_INFO(0, max_depth)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_RecursiveIteratorIterator[] = {
SPL_ME(RecursiveIteratorIterator, __construct, arginfo_recursive_it___construct, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, rewind, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, valid, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, key, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, current, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, next, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, getDepth, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, getSubIterator, arginfo_recursive_it_getSubIterator, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, getInnerIterator, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, beginIteration, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, endIteration, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, callHasChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, callGetChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, beginChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, endChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, nextElement, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, setMaxDepth, arginfo_recursive_it_setMaxDepth, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, getMaxDepth, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
static void spl_recursive_tree_iterator_get_prefix(spl_recursive_it_object *object, zval *return_value TSRMLS_DC)
{
smart_str str = {0};
zval *has_next;
int level;
smart_str_appendl(&str, object->prefix[0].c, object->prefix[0].len);
for (level = 0; level < object->level; ++level) {
zend_call_method_with_0_params(&object->iterators[level].zobject, object->iterators[level].ce, NULL, "hasnext", &has_next);
if (has_next) {
if (Z_LVAL_P(has_next)) {
smart_str_appendl(&str, object->prefix[1].c, object->prefix[1].len);
} else {
smart_str_appendl(&str, object->prefix[2].c, object->prefix[2].len);
}
zval_ptr_dtor(&has_next);
}
}
zend_call_method_with_0_params(&object->iterators[level].zobject, object->iterators[level].ce, NULL, "hasnext", &has_next);
if (has_next) {
if (Z_LVAL_P(has_next)) {
smart_str_appendl(&str, object->prefix[3].c, object->prefix[3].len);
} else {
smart_str_appendl(&str, object->prefix[4].c, object->prefix[4].len);
}
zval_ptr_dtor(&has_next);
}
smart_str_appendl(&str, object->prefix[5].c, object->prefix[5].len);
smart_str_0(&str);
RETVAL_STRINGL(str.c, str.len, 0);
}
static void spl_recursive_tree_iterator_get_entry(spl_recursive_it_object * object, zval * return_value TSRMLS_DC)
{
zend_object_iterator *iterator = object->iterators[object->level].iterator;
zval **data;
zend_error_handling error_handling;
iterator->funcs->get_current_data(iterator, &data TSRMLS_CC);
zend_replace_error_handling(EH_THROW, spl_ce_UnexpectedValueException, &error_handling TSRMLS_CC);
if (data && *data) {
RETVAL_ZVAL(*data, 1, 0);
}
if (Z_TYPE_P(return_value) == IS_ARRAY) {
zval_dtor(return_value);
ZVAL_STRINGL(return_value, "Array", sizeof("Array")-1, 1);
} else {
convert_to_string(return_value);
}
zend_restore_error_handling(&error_handling TSRMLS_CC);
}
static void spl_recursive_tree_iterator_get_postfix(spl_recursive_it_object * object, zval * return_value TSRMLS_DC)
{
RETVAL_STRINGL("", 0, 1);
}
/* {{{ proto void RecursiveTreeIterator::__construct(RecursiveIterator|IteratorAggregate it [, int flags = RTIT_BYPASS_KEY [, int cit_flags = CIT_CATCH_GET_CHILD [, mode = RIT_SELF_FIRST ]]]) throws InvalidArgumentException
RecursiveIteratorIterator to generate ASCII graphic trees for the entries in a RecursiveIterator */
SPL_METHOD(RecursiveTreeIterator, __construct)
{
spl_recursive_it_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_RecursiveTreeIterator, zend_ce_iterator, RIT_RecursiveTreeIterator);
} /* }}} */
/* {{{ proto void RecursiveTreeIterator::setPrefixPart() throws OutOfRangeException
Sets prefix parts as used in getPrefix() */
SPL_METHOD(RecursiveTreeIterator, setPrefixPart)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
long part;
char* prefix;
int prefix_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ls", &part, &prefix, &prefix_len) == FAILURE) {
return;
}
if (0 > part || part > 5) {
zend_throw_exception_ex(spl_ce_OutOfRangeException, 0 TSRMLS_CC, "Use RecursiveTreeIterator::PREFIX_* constant");
return;
}
smart_str_free(&object->prefix[part]);
smart_str_appendl(&object->prefix[part], prefix, prefix_len);
} /* }}} */
/* {{{ proto string RecursiveTreeIterator::getPrefix()
Returns the string to place in front of current element */
SPL_METHOD(RecursiveTreeIterator, getPrefix)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_recursive_tree_iterator_get_prefix(object, return_value TSRMLS_CC);
} /* }}} */
/* {{{ proto string RecursiveTreeIterator::getEntry()
Returns the string presentation built for current element */
SPL_METHOD(RecursiveTreeIterator, getEntry)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_recursive_tree_iterator_get_entry(object, return_value TSRMLS_CC);
} /* }}} */
/* {{{ proto string RecursiveTreeIterator::getPostfix()
Returns the string to place after the current element */
SPL_METHOD(RecursiveTreeIterator, getPostfix)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_recursive_tree_iterator_get_postfix(object, return_value TSRMLS_CC);
} /* }}} */
/* {{{ proto mixed RecursiveTreeIterator::current()
Returns the current element prefixed and postfixed */
SPL_METHOD(RecursiveTreeIterator, current)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
zval prefix, entry, postfix;
char *str, *ptr;
size_t str_len;
if (object->flags & RTIT_BYPASS_CURRENT) {
zend_object_iterator *iterator = object->iterators[object->level].iterator;
zval **data;
iterator->funcs->get_current_data(iterator, &data TSRMLS_CC);
if (data && *data) {
RETURN_ZVAL(*data, 1, 0);
} else {
RETURN_NULL();
}
}
spl_recursive_tree_iterator_get_prefix(object, &prefix TSRMLS_CC);
spl_recursive_tree_iterator_get_entry(object, &entry TSRMLS_CC);
spl_recursive_tree_iterator_get_postfix(object, &postfix TSRMLS_CC);
str_len = Z_STRLEN(prefix) + Z_STRLEN(entry) + Z_STRLEN(postfix);
str = (char *) emalloc(str_len + 1U);
ptr = str;
memcpy(ptr, Z_STRVAL(prefix), Z_STRLEN(prefix));
ptr += Z_STRLEN(prefix);
memcpy(ptr, Z_STRVAL(entry), Z_STRLEN(entry));
ptr += Z_STRLEN(entry);
memcpy(ptr, Z_STRVAL(postfix), Z_STRLEN(postfix));
ptr += Z_STRLEN(postfix);
*ptr = 0;
zval_dtor(&prefix);
zval_dtor(&entry);
zval_dtor(&postfix);
RETURN_STRINGL(str, str_len, 0);
} /* }}} */
/* {{{ proto mixed RecursiveTreeIterator::key()
Returns the current key prefixed and postfixed */
SPL_METHOD(RecursiveTreeIterator, key)
{
spl_recursive_it_object *object = (spl_recursive_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
zend_object_iterator *iterator = object->iterators[object->level].iterator;
zval prefix, key, postfix, key_copy;
char *str, *ptr;
size_t str_len;
if (iterator->funcs->get_current_key) {
char *str_key;
uint str_key_len;
ulong int_key;
switch (iterator->funcs->get_current_key(iterator, &str_key, &str_key_len, &int_key TSRMLS_CC)) {
case HASH_KEY_IS_LONG:
ZVAL_LONG(&key, int_key);
break;
case HASH_KEY_IS_STRING:
ZVAL_STRINGL(&key, str_key, str_key_len-1, 0);
break;
default:
ZVAL_NULL(&key);
}
} else {
ZVAL_NULL(&key);
}
if (object->flags & RTIT_BYPASS_KEY) {
zval *key_ptr = &key;
RETVAL_ZVAL(key_ptr, 1, 0);
zval_dtor(&key);
return;
}
if (Z_TYPE(key) != IS_STRING) {
int use_copy;
zend_make_printable_zval(&key, &key_copy, &use_copy);
if (use_copy) {
key = key_copy;
}
}
spl_recursive_tree_iterator_get_prefix(object, &prefix TSRMLS_CC);
spl_recursive_tree_iterator_get_postfix(object, &postfix TSRMLS_CC);
str_len = Z_STRLEN(prefix) + Z_STRLEN(key) + Z_STRLEN(postfix);
str = (char *) emalloc(str_len + 1U);
ptr = str;
memcpy(ptr, Z_STRVAL(prefix), Z_STRLEN(prefix));
ptr += Z_STRLEN(prefix);
memcpy(ptr, Z_STRVAL(key), Z_STRLEN(key));
ptr += Z_STRLEN(key);
memcpy(ptr, Z_STRVAL(postfix), Z_STRLEN(postfix));
ptr += Z_STRLEN(postfix);
*ptr = 0;
zval_dtor(&prefix);
zval_dtor(&key);
zval_dtor(&postfix);
RETVAL_STRINGL(str, str_len, 0);
} /* }}} */
ZEND_BEGIN_ARG_INFO_EX(arginfo_recursive_tree_it___construct, 0, 0, 1)
ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0)
ZEND_ARG_INFO(0, flags)
ZEND_ARG_INFO(0, caching_it_flags)
ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO_EX(arginfo_recursive_tree_it_setPrefixPart, 0, 0, 2)
ZEND_ARG_INFO(0, part)
ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_RecursiveTreeIterator[] = {
SPL_ME(RecursiveTreeIterator, __construct, arginfo_recursive_tree_it___construct, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, rewind, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, valid, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveTreeIterator, key, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveTreeIterator, current, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, next, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, beginIteration, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, endIteration, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, callHasChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, callGetChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, beginChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, endChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveIteratorIterator, nextElement, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveTreeIterator, getPrefix, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveTreeIterator, setPrefixPart, arginfo_recursive_tree_it_setPrefixPart, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveTreeIterator, getEntry, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveTreeIterator, getPostfix, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
#if MBO_0
static int spl_dual_it_gets_implemented(zend_class_entry *interface, zend_class_entry *class_type TSRMLS_DC)
{
class_type->iterator_funcs.zf_valid = NULL;
class_type->iterator_funcs.zf_current = NULL;
class_type->iterator_funcs.zf_key = NULL;
class_type->iterator_funcs.zf_next = NULL;
class_type->iterator_funcs.zf_rewind = NULL;
if (!class_type->iterator_funcs.funcs) {
class_type->iterator_funcs.funcs = &zend_interface_iterator_funcs_iterator;
}
return SUCCESS;
}
#endif
static union _zend_function *spl_dual_it_get_method(zval **object_ptr, char *method, int method_len, const zend_literal *key TSRMLS_DC)
{
union _zend_function *function_handler;
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(*object_ptr TSRMLS_CC);
function_handler = std_object_handlers.get_method(object_ptr, method, method_len, key TSRMLS_CC);
if (!function_handler && intern->inner.ce) {
if (zend_hash_find(&intern->inner.ce->function_table, method, method_len+1, (void **) &function_handler) == FAILURE) {
if (Z_OBJ_HT_P(intern->inner.zobject)->get_method) {
*object_ptr = intern->inner.zobject;
function_handler = Z_OBJ_HT_P(*object_ptr)->get_method(object_ptr, method, method_len, key TSRMLS_CC);
}
}
}
return function_handler;
}
#if MBO_0
int spl_dual_it_call_method(char *method, INTERNAL_FUNCTION_PARAMETERS)
{
zval ***func_params, func;
zval *retval_ptr;
int arg_count;
int current = 0;
int success;
void **p;
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
ZVAL_STRING(&func, method, 0);
if (!zend_is_callable(&func, 0, &method TSRMLS_CC)) {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "Method %s::%s() does not exist", intern->inner.ce->name, method);
return FAILURE;
}
p = EG(argument_stack).top_element-2;
arg_count = (ulong) *p;
func_params = safe_emalloc(sizeof(zval **), arg_count, 0);
current = 0;
while (arg_count-- > 0) {
func_params[current] = (zval **) p - (arg_count-current);
current++;
}
arg_count = current; /* restore */
if (call_user_function_ex(EG(function_table), NULL, &func, &retval_ptr, arg_count, func_params, 0, NULL TSRMLS_CC) == SUCCESS && retval_ptr) {
RETURN_ZVAL(retval_ptr, 0, 1);
success = SUCCESS;
} else {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "Unable to call %s::%s()", intern->inner.ce->name, method);
success = FAILURE;
}
efree(func_params);
return success;
}
#endif
#define SPL_CHECK_CTOR(intern, classname) \
if (intern->dit_type == DIT_Unknown) { \
zend_throw_exception_ex(spl_ce_BadMethodCallException, 0 TSRMLS_CC, "Classes derived from %s must call %s::__construct()", \
(spl_ce_##classname)->name, (spl_ce_##classname)->name); \
return; \
}
#define APPENDIT_CHECK_CTOR(intern) SPL_CHECK_CTOR(intern, AppendIterator)
static inline int spl_dual_it_fetch(spl_dual_it_object *intern, int check_more TSRMLS_DC);
static inline int spl_cit_check_flags(int flags)
{
int cnt = 0;
cnt += (flags & CIT_CALL_TOSTRING) ? 1 : 0;
cnt += (flags & CIT_TOSTRING_USE_KEY) ? 1 : 0;
cnt += (flags & CIT_TOSTRING_USE_CURRENT) ? 1 : 0;
cnt += (flags & CIT_TOSTRING_USE_INNER) ? 1 : 0;
return cnt <= 1 ? SUCCESS : FAILURE;
}
static spl_dual_it_object* spl_dual_it_construct(INTERNAL_FUNCTION_PARAMETERS, zend_class_entry *ce_base, zend_class_entry *ce_inner, dual_it_type dit_type)
{
zval *zobject, *retval;
spl_dual_it_object *intern;
zend_class_entry *ce = NULL;
int inc_refcount = 1;
zend_error_handling error_handling;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (intern->dit_type != DIT_Unknown) {
zend_throw_exception_ex(spl_ce_BadMethodCallException, 0 TSRMLS_CC, "%s::getIterator() must be called exactly once per instance", ce_base->name);
return NULL;
}
zend_replace_error_handling(EH_THROW, spl_ce_InvalidArgumentException, &error_handling TSRMLS_CC);
intern->dit_type = dit_type;
switch (dit_type) {
case DIT_LimitIterator: {
intern->u.limit.offset = 0; /* start at beginning */
intern->u.limit.count = -1; /* get all */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|ll", &zobject, ce_inner, &intern->u.limit.offset, &intern->u.limit.count) == FAILURE) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return NULL;
}
if (intern->u.limit.offset < 0) {
zend_throw_exception(spl_ce_OutOfRangeException, "Parameter offset must be >= 0", 0 TSRMLS_CC);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return NULL;
}
if (intern->u.limit.count < 0 && intern->u.limit.count != -1) {
zend_throw_exception(spl_ce_OutOfRangeException, "Parameter count must either be -1 or a value greater than or equal 0", 0 TSRMLS_CC);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return NULL;
}
break;
}
case DIT_CachingIterator:
case DIT_RecursiveCachingIterator: {
long flags = CIT_CALL_TOSTRING;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|l", &zobject, ce_inner, &flags) == FAILURE) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return NULL;
}
if (spl_cit_check_flags(flags) != SUCCESS) {
zend_throw_exception(spl_ce_InvalidArgumentException, "Flags must contain only one of CALL_TOSTRING, TOSTRING_USE_KEY, TOSTRING_USE_CURRENT, TOSTRING_USE_CURRENT", 0 TSRMLS_CC);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return NULL;
}
intern->u.caching.flags |= flags & CIT_PUBLIC;
MAKE_STD_ZVAL(intern->u.caching.zcache);
array_init(intern->u.caching.zcache);
break;
}
case DIT_IteratorIterator: {
zend_class_entry **pce_cast;
char * class_name = NULL;
int class_name_len = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|s", &zobject, ce_inner, &class_name, &class_name_len) == FAILURE) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return NULL;
}
ce = Z_OBJCE_P(zobject);
if (!instanceof_function(ce, zend_ce_iterator TSRMLS_CC)) {
if (ZEND_NUM_ARGS() > 1) {
if (zend_lookup_class(class_name, class_name_len, &pce_cast TSRMLS_CC) == FAILURE
|| !instanceof_function(ce, *pce_cast TSRMLS_CC)
|| !(*pce_cast)->get_iterator
) {
zend_throw_exception(spl_ce_LogicException, "Class to downcast to not found or not base class or does not implement Traversable", 0 TSRMLS_CC);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return NULL;
}
ce = *pce_cast;
}
if (instanceof_function(ce, zend_ce_aggregate TSRMLS_CC)) {
zend_call_method_with_0_params(&zobject, ce, &ce->iterator_funcs.zf_new_iterator, "getiterator", &retval);
if (EG(exception)) {
if (retval) {
zval_ptr_dtor(&retval);
}
zend_restore_error_handling(&error_handling TSRMLS_CC);
return NULL;
}
if (!retval || Z_TYPE_P(retval) != IS_OBJECT || !instanceof_function(Z_OBJCE_P(retval), zend_ce_traversable TSRMLS_CC)) {
zend_throw_exception_ex(spl_ce_LogicException, 0 TSRMLS_CC, "%s::getIterator() must return an object that implements Traversable", ce->name);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return NULL;
}
zobject = retval;
ce = Z_OBJCE_P(zobject);
inc_refcount = 0;
}
}
break;
}
case DIT_AppendIterator:
spl_instantiate(spl_ce_ArrayIterator, &intern->u.append.zarrayit, 1 TSRMLS_CC);
zend_call_method_with_0_params(&intern->u.append.zarrayit, spl_ce_ArrayIterator, &spl_ce_ArrayIterator->constructor, "__construct", NULL);
intern->u.append.iterator = spl_ce_ArrayIterator->get_iterator(spl_ce_ArrayIterator, intern->u.append.zarrayit, 0 TSRMLS_CC);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return intern;
#if HAVE_PCRE || HAVE_BUNDLED_PCRE
case DIT_RegexIterator:
case DIT_RecursiveRegexIterator: {
char *regex;
int regex_len;
long mode = REGIT_MODE_MATCH;
intern->u.regex.use_flags = ZEND_NUM_ARGS() >= 5;
intern->u.regex.flags = 0;
intern->u.regex.preg_flags = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Os|lll", &zobject, ce_inner, &regex, &regex_len, &mode, &intern->u.regex.flags, &intern->u.regex.preg_flags) == FAILURE) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return NULL;
}
if (mode < 0 || mode >= REGIT_MODE_MAX) {
zend_throw_exception_ex(spl_ce_InvalidArgumentException, 0 TSRMLS_CC, "Illegal mode %ld", mode);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return NULL;
}
intern->u.regex.mode = mode;
intern->u.regex.regex = estrndup(regex, regex_len);
intern->u.regex.pce = pcre_get_compiled_regex_cache(regex, regex_len TSRMLS_CC);
if (intern->u.regex.pce == NULL) {
/* pcre_get_compiled_regex_cache has already sent error */
zend_restore_error_handling(&error_handling TSRMLS_CC);
return NULL;
}
intern->u.regex.pce->refcount++;
break;
}
#endif
default:
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &zobject, ce_inner) == FAILURE) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return NULL;
}
break;
}
zend_restore_error_handling(&error_handling TSRMLS_CC);
if (inc_refcount) {
Z_ADDREF_P(zobject);
}
intern->inner.zobject = zobject;
intern->inner.ce = dit_type == DIT_IteratorIterator ? ce : Z_OBJCE_P(zobject);
intern->inner.object = zend_object_store_get_object(zobject TSRMLS_CC);
intern->inner.iterator = intern->inner.ce->get_iterator(intern->inner.ce, zobject, 0 TSRMLS_CC);
return intern;
}
/* {{{ proto void FilterIterator::__construct(Iterator it)
Create an Iterator from another iterator */
SPL_METHOD(FilterIterator, __construct)
{
spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_FilterIterator, zend_ce_iterator, DIT_FilterIterator);
} /* }}} */
/* {{{ proto Iterator FilterIterator::getInnerIterator()
proto Iterator CachingIterator::getInnerIterator()
proto Iterator LimitIterator::getInnerIterator()
proto Iterator ParentIterator::getInnerIterator()
Get the inner iterator */
SPL_METHOD(dual_it, getInnerIterator)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (intern->inner.zobject) {
RETVAL_ZVAL(intern->inner.zobject, 1, 0);
} else {
RETURN_NULL();
}
} /* }}} */
static inline void spl_dual_it_require(spl_dual_it_object *intern TSRMLS_DC)
{
if (!intern->inner.iterator) {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "The inner constructor wasn't initialized with an iterator instance");
}
}
static inline void spl_dual_it_free(spl_dual_it_object *intern TSRMLS_DC)
{
if (intern->inner.iterator && intern->inner.iterator->funcs->invalidate_current) {
intern->inner.iterator->funcs->invalidate_current(intern->inner.iterator TSRMLS_CC);
}
if (intern->current.data) {
zval_ptr_dtor(&intern->current.data);
intern->current.data = NULL;
}
if (intern->current.str_key) {
efree(intern->current.str_key);
intern->current.str_key = NULL;
}
if (intern->dit_type == DIT_CachingIterator || intern->dit_type == DIT_RecursiveCachingIterator) {
if (intern->u.caching.zstr) {
zval_ptr_dtor(&intern->u.caching.zstr);
intern->u.caching.zstr = NULL;
}
if (intern->u.caching.zchildren) {
zval_ptr_dtor(&intern->u.caching.zchildren);
intern->u.caching.zchildren = NULL;
}
}
}
static inline void spl_dual_it_rewind(spl_dual_it_object *intern TSRMLS_DC)
{
spl_dual_it_free(intern TSRMLS_CC);
intern->current.pos = 0;
if (intern->inner.iterator->funcs->rewind) {
intern->inner.iterator->funcs->rewind(intern->inner.iterator TSRMLS_CC);
}
}
static inline int spl_dual_it_valid(spl_dual_it_object *intern TSRMLS_DC)
{
if (!intern->inner.iterator) {
return FAILURE;
}
/* FAILURE / SUCCESS */
return intern->inner.iterator->funcs->valid(intern->inner.iterator TSRMLS_CC);
}
static inline int spl_dual_it_fetch(spl_dual_it_object *intern, int check_more TSRMLS_DC)
{
zval **data;
spl_dual_it_free(intern TSRMLS_CC);
if (!check_more || spl_dual_it_valid(intern TSRMLS_CC) == SUCCESS) {
intern->inner.iterator->funcs->get_current_data(intern->inner.iterator, &data TSRMLS_CC);
if (data && *data) {
intern->current.data = *data;
Z_ADDREF_P(intern->current.data);
}
if (intern->inner.iterator->funcs->get_current_key) {
intern->current.key_type = intern->inner.iterator->funcs->get_current_key(intern->inner.iterator, &intern->current.str_key, &intern->current.str_key_len, &intern->current.int_key TSRMLS_CC);
} else {
intern->current.key_type = HASH_KEY_IS_LONG;
intern->current.int_key = intern->current.pos;
}
return EG(exception) ? FAILURE : SUCCESS;
}
return FAILURE;
}
static inline void spl_dual_it_next(spl_dual_it_object *intern, int do_free TSRMLS_DC)
{
if (do_free) {
spl_dual_it_free(intern TSRMLS_CC);
} else {
spl_dual_it_require(intern TSRMLS_CC);
}
intern->inner.iterator->funcs->move_forward(intern->inner.iterator TSRMLS_CC);
intern->current.pos++;
}
/* {{{ proto void ParentIterator::rewind()
proto void IteratorIterator::rewind()
Rewind the iterator
*/
SPL_METHOD(dual_it, rewind)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_dual_it_rewind(intern TSRMLS_CC);
spl_dual_it_fetch(intern, 1 TSRMLS_CC);
} /* }}} */
/* {{{ proto bool FilterIterator::valid()
proto bool ParentIterator::valid()
proto bool IteratorIterator::valid()
proto bool NoRewindIterator::valid()
Check whether the current element is valid */
SPL_METHOD(dual_it, valid)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_BOOL(intern->current.data);
} /* }}} */
/* {{{ proto mixed FilterIterator::key()
proto mixed CachingIterator::key()
proto mixed LimitIterator::key()
proto mixed ParentIterator::key()
proto mixed IteratorIterator::key()
proto mixed NoRewindIterator::key()
proto mixed AppendIterator::key()
Get the current key */
SPL_METHOD(dual_it, key)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (intern->current.data) {
if (intern->current.key_type == HASH_KEY_IS_STRING) {
RETURN_STRINGL(intern->current.str_key, intern->current.str_key_len-1, 1);
} else {
RETURN_LONG(intern->current.int_key);
}
}
RETURN_NULL();
} /* }}} */
/* {{{ proto mixed FilterIterator::current()
proto mixed CachingIterator::current()
proto mixed LimitIterator::current()
proto mixed ParentIterator::current()
proto mixed IteratorIterator::current()
proto mixed NoRewindIterator::current()
proto mixed AppendIterator::current()
Get the current element value */
SPL_METHOD(dual_it, current)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (intern->current.data) {
RETVAL_ZVAL(intern->current.data, 1, 0);
} else {
RETURN_NULL();
}
} /* }}} */
/* {{{ proto void ParentIterator::next()
proto void IteratorIterator::next()
proto void NoRewindIterator::next()
Move the iterator forward */
SPL_METHOD(dual_it, next)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_dual_it_next(intern, 1 TSRMLS_CC);
spl_dual_it_fetch(intern, 1 TSRMLS_CC);
} /* }}} */
static inline void spl_filter_it_fetch(zval *zthis, spl_dual_it_object *intern TSRMLS_DC)
{
zval *retval;
while (spl_dual_it_fetch(intern, 1 TSRMLS_CC) == SUCCESS) {
zend_call_method_with_0_params(&zthis, intern->std.ce, NULL, "accept", &retval);
if (retval) {
if (zend_is_true(retval)) {
zval_ptr_dtor(&retval);
return;
}
zval_ptr_dtor(&retval);
}
if (EG(exception)) {
return;
}
intern->inner.iterator->funcs->move_forward(intern->inner.iterator TSRMLS_CC);
}
spl_dual_it_free(intern TSRMLS_CC);
}
static inline void spl_filter_it_rewind(zval *zthis, spl_dual_it_object *intern TSRMLS_DC)
{
spl_dual_it_rewind(intern TSRMLS_CC);
spl_filter_it_fetch(zthis, intern TSRMLS_CC);
}
static inline void spl_filter_it_next(zval *zthis, spl_dual_it_object *intern TSRMLS_DC)
{
spl_dual_it_next(intern, 1 TSRMLS_CC);
spl_filter_it_fetch(zthis, intern TSRMLS_CC);
}
/* {{{ proto void FilterIterator::rewind()
Rewind the iterator */
SPL_METHOD(FilterIterator, rewind)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_filter_it_rewind(getThis(), intern TSRMLS_CC);
} /* }}} */
/* {{{ proto void FilterIterator::next()
Move the iterator forward */
SPL_METHOD(FilterIterator, next)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_filter_it_next(getThis(), intern TSRMLS_CC);
} /* }}} */
/* {{{ proto void RecursiveFilterIterator::__construct(RecursiveIterator it)
Create a RecursiveFilterIterator from a RecursiveIterator */
SPL_METHOD(RecursiveFilterIterator, __construct)
{
spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_RecursiveFilterIterator, spl_ce_RecursiveIterator, DIT_RecursiveFilterIterator);
} /* }}} */
/* {{{ proto bool RecursiveFilterIterator::hasChildren()
Check whether the inner iterator's current element has children */
SPL_METHOD(RecursiveFilterIterator, hasChildren)
{
spl_dual_it_object *intern;
zval *retval;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
zend_call_method_with_0_params(&intern->inner.zobject, intern->inner.ce, NULL, "haschildren", &retval);
if (retval) {
RETURN_ZVAL(retval, 0, 1);
} else {
RETURN_FALSE;
}
} /* }}} */
/* {{{ proto RecursiveFilterIterator RecursiveFilterIterator::getChildren()
Return the inner iterator's children contained in a RecursiveFilterIterator */
SPL_METHOD(RecursiveFilterIterator, getChildren)
{
spl_dual_it_object *intern;
zval *retval;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
zend_call_method_with_0_params(&intern->inner.zobject, intern->inner.ce, NULL, "getchildren", &retval);
if (!EG(exception) && retval) {
spl_instantiate_arg_ex1(Z_OBJCE_P(getThis()), &return_value, 0, retval TSRMLS_CC);
}
if (retval) {
zval_ptr_dtor(&retval);
}
} /* }}} */
/* {{{ proto void ParentIterator::__construct(RecursiveIterator it)
Create a ParentIterator from a RecursiveIterator */
SPL_METHOD(ParentIterator, __construct)
{
spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_ParentIterator, spl_ce_RecursiveIterator, DIT_ParentIterator);
} /* }}} */
#if HAVE_PCRE || HAVE_BUNDLED_PCRE
/* {{{ proto void RegexIterator::__construct(Iterator it, string regex [, int mode [, int flags [, int preg_flags]]])
Create an RegexIterator from another iterator and a regular expression */
SPL_METHOD(RegexIterator, __construct)
{
spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_RegexIterator, zend_ce_iterator, DIT_RegexIterator);
} /* }}} */
/* {{{ proto bool RegexIterator::accept()
Match (string)current() against regular expression */
SPL_METHOD(RegexIterator, accept)
{
spl_dual_it_object *intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
char *subject, tmp[32], *result;
int subject_len, use_copy, count, result_len;
zval subject_copy, zcount, *replacement;
if (intern->current.data == NULL) {
RETURN_FALSE;
}
if (intern->u.regex.flags & REGIT_USE_KEY) {
if (intern->current.key_type == HASH_KEY_IS_LONG) {
subject_len = slprintf(tmp, sizeof(tmp), "%ld", intern->current.int_key);
subject = &tmp[0];
use_copy = 0;
} else {
subject_len = intern->current.str_key_len - 1;
subject = estrndup(intern->current.str_key, subject_len);
use_copy = 1;
}
} else {
zend_make_printable_zval(intern->current.data, &subject_copy, &use_copy);
if (use_copy) {
subject = Z_STRVAL(subject_copy);
subject_len = Z_STRLEN(subject_copy);
} else {
subject = Z_STRVAL_P(intern->current.data);
subject_len = Z_STRLEN_P(intern->current.data);
}
}
switch (intern->u.regex.mode)
{
case REGIT_MODE_MAX: /* won't happen but makes compiler happy */
case REGIT_MODE_MATCH:
count = pcre_exec(intern->u.regex.pce->re, intern->u.regex.pce->extra, subject, subject_len, 0, 0, NULL, 0);
RETVAL_BOOL(count >= 0);
break;
case REGIT_MODE_ALL_MATCHES:
case REGIT_MODE_GET_MATCH:
if (!use_copy) {
subject = estrndup(subject, subject_len);
use_copy = 1;
}
zval_ptr_dtor(&intern->current.data);
ALLOC_INIT_ZVAL(intern->current.data);
php_pcre_match_impl(intern->u.regex.pce, subject, subject_len, &zcount,
intern->current.data, intern->u.regex.mode == REGIT_MODE_ALL_MATCHES, intern->u.regex.use_flags, intern->u.regex.preg_flags, 0 TSRMLS_CC);
count = zend_hash_num_elements(Z_ARRVAL_P(intern->current.data));
RETVAL_BOOL(count > 0);
break;
case REGIT_MODE_SPLIT:
if (!use_copy) {
subject = estrndup(subject, subject_len);
use_copy = 1;
}
zval_ptr_dtor(&intern->current.data);
ALLOC_INIT_ZVAL(intern->current.data);
php_pcre_split_impl(intern->u.regex.pce, subject, subject_len, intern->current.data, -1, intern->u.regex.preg_flags TSRMLS_CC);
count = zend_hash_num_elements(Z_ARRVAL_P(intern->current.data));
RETVAL_BOOL(count > 1);
break;
case REGIT_MODE_REPLACE:
replacement = zend_read_property(intern->std.ce, getThis(), "replacement", sizeof("replacement")-1, 1 TSRMLS_CC);
result = php_pcre_replace_impl(intern->u.regex.pce, subject, subject_len, replacement, 0, &result_len, 0, NULL TSRMLS_CC);
if (intern->u.regex.flags & REGIT_USE_KEY) {
if (intern->current.key_type != HASH_KEY_IS_LONG) {
efree(intern->current.str_key);
}
intern->current.key_type = HASH_KEY_IS_STRING;
intern->current.str_key = result;
intern->current.str_key_len = result_len + 1;
} else {
zval_ptr_dtor(&intern->current.data);
MAKE_STD_ZVAL(intern->current.data);
ZVAL_STRINGL(intern->current.data, result, result_len, 0);
}
}
if (intern->u.regex.flags & REGIT_INVERTED) {
RETVAL_BOOL(Z_LVAL_P(return_value));
}
if (use_copy) {
efree(subject);
}
} /* }}} */
/* {{{ proto bool RegexIterator::getMode()
Returns current operation mode */
SPL_METHOD(RegexIterator, getMode)
{
spl_dual_it_object *intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_LONG(intern->u.regex.mode);
} /* }}} */
/* {{{ proto bool RegexIterator::setMode(int new_mode)
Set new operation mode */
SPL_METHOD(RegexIterator, setMode)
{
spl_dual_it_object *intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
long mode;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &mode) == FAILURE) {
return;
}
if (mode < 0 || mode >= REGIT_MODE_MAX) {
zend_throw_exception_ex(spl_ce_InvalidArgumentException, 0 TSRMLS_CC, "Illegal mode %ld", mode);
return;/* NULL */
}
intern->u.regex.mode = mode;
} /* }}} */
/* {{{ proto bool RegexIterator::getFlags()
Returns current operation flags */
SPL_METHOD(RegexIterator, getFlags)
{
spl_dual_it_object *intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_LONG(intern->u.regex.flags);
} /* }}} */
/* {{{ proto bool RegexIterator::setFlags(int new_flags)
Set operation flags */
SPL_METHOD(RegexIterator, setFlags)
{
spl_dual_it_object *intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
long flags;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &flags) == FAILURE) {
return;
}
intern->u.regex.flags = flags;
} /* }}} */
/* {{{ proto bool RegexIterator::getFlags()
Returns current PREG flags (if in use or NULL) */
SPL_METHOD(RegexIterator, getPregFlags)
{
spl_dual_it_object *intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (intern->u.regex.use_flags) {
RETURN_LONG(intern->u.regex.preg_flags);
} else {
return;
}
} /* }}} */
/* {{{ proto bool RegexIterator::setPregFlags(int new_flags)
Set PREG flags */
SPL_METHOD(RegexIterator, setPregFlags)
{
spl_dual_it_object *intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
long preg_flags;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &preg_flags) == FAILURE) {
return;
}
intern->u.regex.preg_flags = preg_flags;
intern->u.regex.use_flags = 1;
} /* }}} */
/* {{{ proto void RecursiveRegexIterator::__construct(RecursiveIterator it, string regex [, int mode [, int flags [, int preg_flags]]])
Create an RecursiveRegexIterator from another recursive iterator and a regular expression */
SPL_METHOD(RecursiveRegexIterator, __construct)
{
spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_RecursiveRegexIterator, spl_ce_RecursiveIterator, DIT_RecursiveRegexIterator);
} /* }}} */
/* {{{ proto RecursiveRegexIterator RecursiveRegexIterator::getChildren()
Return the inner iterator's children contained in a RecursiveRegexIterator */
SPL_METHOD(RecursiveRegexIterator, getChildren)
{
spl_dual_it_object *intern;
zval *retval, *regex;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
zend_call_method_with_0_params(&intern->inner.zobject, intern->inner.ce, NULL, "getchildren", &retval);
if (!EG(exception)) {
MAKE_STD_ZVAL(regex);
ZVAL_STRING(regex, intern->u.regex.regex, 1);
spl_instantiate_arg_ex2(Z_OBJCE_P(getThis()), &return_value, 0, retval, regex TSRMLS_CC);
zval_ptr_dtor(&regex);
}
if (retval) {
zval_ptr_dtor(&retval);
}
} /* }}} */
#endif
/* {{{ spl_dual_it_free_storage */
static void spl_dual_it_free_storage(void *_object TSRMLS_DC)
{
spl_dual_it_object *object = (spl_dual_it_object *)_object;
spl_dual_it_free(object TSRMLS_CC);
if (object->inner.iterator) {
object->inner.iterator->funcs->dtor(object->inner.iterator TSRMLS_CC);
}
if (object->inner.zobject) {
zval_ptr_dtor(&object->inner.zobject);
}
if (object->dit_type == DIT_AppendIterator) {
object->u.append.iterator->funcs->dtor(object->u.append.iterator TSRMLS_CC);
if (object->u.append.zarrayit) {
zval_ptr_dtor(&object->u.append.zarrayit);
}
}
if (object->dit_type == DIT_CachingIterator || object->dit_type == DIT_RecursiveCachingIterator) {
if (object->u.caching.zcache) {
zval_ptr_dtor(&object->u.caching.zcache);
object->u.caching.zcache = NULL;
}
}
#if HAVE_PCRE || HAVE_BUNDLED_PCRE
if (object->dit_type == DIT_RegexIterator || object->dit_type == DIT_RecursiveRegexIterator) {
if (object->u.regex.pce) {
object->u.regex.pce->refcount--;
}
if (object->u.regex.regex) {
efree(object->u.regex.regex);
}
}
#endif
zend_object_std_dtor(&object->std TSRMLS_CC);
efree(object);
}
/* }}} */
/* {{{ spl_dual_it_new */
static zend_object_value spl_dual_it_new(zend_class_entry *class_type TSRMLS_DC)
{
zend_object_value retval;
spl_dual_it_object *intern;
intern = emalloc(sizeof(spl_dual_it_object));
memset(intern, 0, sizeof(spl_dual_it_object));
intern->dit_type = DIT_Unknown;
zend_object_std_init(&intern->std, class_type TSRMLS_CC);
object_properties_init(&intern->std, class_type);
retval.handle = zend_objects_store_put(intern, (zend_objects_store_dtor_t)zend_objects_destroy_object, (zend_objects_free_object_storage_t) spl_dual_it_free_storage, NULL TSRMLS_CC);
retval.handlers = &spl_handlers_dual_it;
return retval;
}
/* }}} */
ZEND_BEGIN_ARG_INFO(arginfo_filter_it___construct, 0)
ZEND_ARG_OBJ_INFO(0, iterator, Iterator, 0)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_FilterIterator[] = {
SPL_ME(FilterIterator, __construct, arginfo_filter_it___construct, ZEND_ACC_PUBLIC)
SPL_ME(FilterIterator, rewind, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, valid, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, key, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, current, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(FilterIterator, next, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, getInnerIterator, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ABSTRACT_ME(FilterIterator, accept, arginfo_recursive_it_void)
{NULL, NULL, NULL}
};
ZEND_BEGIN_ARG_INFO(arginfo_parent_it___construct, 0)
ZEND_ARG_OBJ_INFO(0, iterator, RecursiveIterator, 0)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_RecursiveFilterIterator[] = {
SPL_ME(RecursiveFilterIterator, __construct, arginfo_parent_it___construct, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveFilterIterator, hasChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveFilterIterator, getChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
static const zend_function_entry spl_funcs_ParentIterator[] = {
SPL_ME(ParentIterator, __construct, arginfo_parent_it___construct, ZEND_ACC_PUBLIC)
SPL_MA(ParentIterator, accept, RecursiveFilterIterator, hasChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
#if HAVE_PCRE || HAVE_BUNDLED_PCRE
ZEND_BEGIN_ARG_INFO_EX(arginfo_regex_it___construct, 0, 0, 2)
ZEND_ARG_OBJ_INFO(0, iterator, Iterator, 0)
ZEND_ARG_INFO(0, regex)
ZEND_ARG_INFO(0, mode)
ZEND_ARG_INFO(0, flags)
ZEND_ARG_INFO(0, preg_flags)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO_EX(arginfo_regex_it_set_mode, 0, 0, 1)
ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO_EX(arginfo_regex_it_set_flags, 0, 0, 1)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO_EX(arginfo_regex_it_set_preg_flags, 0, 0, 1)
ZEND_ARG_INFO(0, preg_flags)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_RegexIterator[] = {
SPL_ME(RegexIterator, __construct, arginfo_regex_it___construct, ZEND_ACC_PUBLIC)
SPL_ME(RegexIterator, accept, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RegexIterator, getMode, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RegexIterator, setMode, arginfo_regex_it_set_mode, ZEND_ACC_PUBLIC)
SPL_ME(RegexIterator, getFlags, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RegexIterator, setFlags, arginfo_regex_it_set_flags, ZEND_ACC_PUBLIC)
SPL_ME(RegexIterator, getPregFlags, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RegexIterator, setPregFlags, arginfo_regex_it_set_preg_flags, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
ZEND_BEGIN_ARG_INFO_EX(arginfo_rec_regex_it___construct, 0, 0, 2)
ZEND_ARG_OBJ_INFO(0, iterator, RecursiveIterator, 0)
ZEND_ARG_INFO(0, regex)
ZEND_ARG_INFO(0, mode)
ZEND_ARG_INFO(0, flags)
ZEND_ARG_INFO(0, preg_flags)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_RecursiveRegexIterator[] = {
SPL_ME(RecursiveRegexIterator, __construct, arginfo_rec_regex_it___construct, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveFilterIterator, hasChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveRegexIterator, getChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
#endif
static inline int spl_limit_it_valid(spl_dual_it_object *intern TSRMLS_DC)
{
/* FAILURE / SUCCESS */
if (intern->u.limit.count != -1 && intern->current.pos >= intern->u.limit.offset + intern->u.limit.count) {
return FAILURE;
} else {
return spl_dual_it_valid(intern TSRMLS_CC);
}
}
static inline void spl_limit_it_seek(spl_dual_it_object *intern, long pos TSRMLS_DC)
{
zval *zpos;
spl_dual_it_free(intern TSRMLS_CC);
if (pos < intern->u.limit.offset) {
zend_throw_exception_ex(spl_ce_OutOfBoundsException, 0 TSRMLS_CC, "Cannot seek to %ld which is below the offset %ld", pos, intern->u.limit.offset);
return;
}
if (pos >= intern->u.limit.offset + intern->u.limit.count && intern->u.limit.count != -1) {
zend_throw_exception_ex(spl_ce_OutOfBoundsException, 0 TSRMLS_CC, "Cannot seek to %ld which is behind offset %ld plus count %ld", pos, intern->u.limit.offset, intern->u.limit.count);
return;
}
if (pos != intern->current.pos && instanceof_function(intern->inner.ce, spl_ce_SeekableIterator TSRMLS_CC)) {
MAKE_STD_ZVAL(zpos);
ZVAL_LONG(zpos, pos);
spl_dual_it_free(intern TSRMLS_CC);
zend_call_method_with_1_params(&intern->inner.zobject, intern->inner.ce, NULL, "seek", NULL, zpos);
zval_ptr_dtor(&zpos);
if (!EG(exception)) {
intern->current.pos = pos;
if (spl_limit_it_valid(intern TSRMLS_CC) == SUCCESS) {
spl_dual_it_fetch(intern, 0 TSRMLS_CC);
}
}
} else {
/* emulate the forward seek, by next() calls */
/* a back ward seek is done by a previous rewind() */
if (pos < intern->current.pos) {
spl_dual_it_rewind(intern TSRMLS_CC);
}
while (pos > intern->current.pos && spl_dual_it_valid(intern TSRMLS_CC) == SUCCESS) {
spl_dual_it_next(intern, 1 TSRMLS_CC);
}
if (spl_dual_it_valid(intern TSRMLS_CC) == SUCCESS) {
spl_dual_it_fetch(intern, 1 TSRMLS_CC);
}
}
}
/* {{{ proto LimitIterator::__construct(Iterator it [, int offset, int count])
Construct a LimitIterator from an Iterator with a given starting offset and optionally a maximum count */
SPL_METHOD(LimitIterator, __construct)
{
spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_LimitIterator, zend_ce_iterator, DIT_LimitIterator);
} /* }}} */
/* {{{ proto void LimitIterator::rewind()
Rewind the iterator to the specified starting offset */
SPL_METHOD(LimitIterator, rewind)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_dual_it_rewind(intern TSRMLS_CC);
spl_limit_it_seek(intern, intern->u.limit.offset TSRMLS_CC);
} /* }}} */
/* {{{ proto bool LimitIterator::valid()
Check whether the current element is valid */
SPL_METHOD(LimitIterator, valid)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
/* RETURN_BOOL(spl_limit_it_valid(intern TSRMLS_CC) == SUCCESS);*/
RETURN_BOOL((intern->u.limit.count == -1 || intern->current.pos < intern->u.limit.offset + intern->u.limit.count) && intern->current.data);
} /* }}} */
/* {{{ proto void LimitIterator::next()
Move the iterator forward */
SPL_METHOD(LimitIterator, next)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_dual_it_next(intern, 1 TSRMLS_CC);
if (intern->u.limit.count == -1 || intern->current.pos < intern->u.limit.offset + intern->u.limit.count) {
spl_dual_it_fetch(intern, 1 TSRMLS_CC);
}
} /* }}} */
/* {{{ proto void LimitIterator::seek(int position)
Seek to the given position */
SPL_METHOD(LimitIterator, seek)
{
spl_dual_it_object *intern;
long pos;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &pos) == FAILURE) {
return;
}
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_limit_it_seek(intern, pos TSRMLS_CC);
RETURN_LONG(intern->current.pos);
} /* }}} */
/* {{{ proto int LimitIterator::getPosition()
Return the current position */
SPL_METHOD(LimitIterator, getPosition)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_LONG(intern->current.pos);
} /* }}} */
ZEND_BEGIN_ARG_INFO(arginfo_seekable_it_seek, 0)
ZEND_ARG_INFO(0, position)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_SeekableIterator[] = {
SPL_ABSTRACT_ME(SeekableIterator, seek, arginfo_seekable_it_seek)
{NULL, NULL, NULL}
};
ZEND_BEGIN_ARG_INFO_EX(arginfo_limit_it___construct, 0, 0, 1)
ZEND_ARG_OBJ_INFO(0, iterator, Iterator, 0)
ZEND_ARG_INFO(0, offset)
ZEND_ARG_INFO(0, count)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO(arginfo_limit_it_seek, 0)
ZEND_ARG_INFO(0, position)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_LimitIterator[] = {
SPL_ME(LimitIterator, __construct, arginfo_limit_it___construct, ZEND_ACC_PUBLIC)
SPL_ME(LimitIterator, rewind, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(LimitIterator, valid, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, key, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, current, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(LimitIterator, next, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(LimitIterator, seek, arginfo_limit_it_seek, ZEND_ACC_PUBLIC)
SPL_ME(LimitIterator, getPosition, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, getInnerIterator, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
static inline int spl_caching_it_valid(spl_dual_it_object *intern TSRMLS_DC)
{
return intern->u.caching.flags & CIT_VALID ? SUCCESS : FAILURE;
}
static inline int spl_caching_it_has_next(spl_dual_it_object *intern TSRMLS_DC)
{
return spl_dual_it_valid(intern TSRMLS_CC);
}
static inline void spl_caching_it_next(spl_dual_it_object *intern TSRMLS_DC)
{
if (spl_dual_it_fetch(intern, 1 TSRMLS_CC) == SUCCESS) {
intern->u.caching.flags |= CIT_VALID;
/* Full cache ? */
if (intern->u.caching.flags & CIT_FULL_CACHE) {
zval *zcacheval;
MAKE_STD_ZVAL(zcacheval);
ZVAL_ZVAL(zcacheval, intern->current.data, 1, 0);
if (intern->current.key_type == HASH_KEY_IS_LONG) {
add_index_zval(intern->u.caching.zcache, intern->current.int_key, zcacheval);
} else {
zend_symtable_update(HASH_OF(intern->u.caching.zcache), intern->current.str_key, intern->current.str_key_len, &zcacheval, sizeof(void*), NULL);
}
}
/* Recursion ? */
if (intern->dit_type == DIT_RecursiveCachingIterator) {
zval *retval, *zchildren, zflags;
zend_call_method_with_0_params(&intern->inner.zobject, intern->inner.ce, NULL, "haschildren", &retval);
if (EG(exception)) {
if (retval) {
zval_ptr_dtor(&retval);
}
if (intern->u.caching.flags & CIT_CATCH_GET_CHILD) {
zend_clear_exception(TSRMLS_C);
} else {
return;
}
} else {
if (zend_is_true(retval)) {
zend_call_method_with_0_params(&intern->inner.zobject, intern->inner.ce, NULL, "getchildren", &zchildren);
if (EG(exception)) {
if (zchildren) {
zval_ptr_dtor(&zchildren);
}
if (intern->u.caching.flags & CIT_CATCH_GET_CHILD) {
zend_clear_exception(TSRMLS_C);
} else {
zval_ptr_dtor(&retval);
return;
}
} else {
INIT_PZVAL(&zflags);
ZVAL_LONG(&zflags, intern->u.caching.flags & CIT_PUBLIC);
spl_instantiate_arg_ex2(spl_ce_RecursiveCachingIterator, &intern->u.caching.zchildren, 1, zchildren, &zflags TSRMLS_CC);
zval_ptr_dtor(&zchildren);
}
}
zval_ptr_dtor(&retval);
if (EG(exception)) {
if (intern->u.caching.flags & CIT_CATCH_GET_CHILD) {
zend_clear_exception(TSRMLS_C);
} else {
return;
}
}
}
}
if (intern->u.caching.flags & (CIT_TOSTRING_USE_INNER|CIT_CALL_TOSTRING)) {
int use_copy;
zval expr_copy;
ALLOC_ZVAL(intern->u.caching.zstr);
if (intern->u.caching.flags & CIT_TOSTRING_USE_INNER) {
*intern->u.caching.zstr = *intern->inner.zobject;
} else {
*intern->u.caching.zstr = *intern->current.data;
}
zend_make_printable_zval(intern->u.caching.zstr, &expr_copy, &use_copy);
if (use_copy) {
*intern->u.caching.zstr = expr_copy;
INIT_PZVAL(intern->u.caching.zstr);
zval_copy_ctor(intern->u.caching.zstr);
zval_dtor(&expr_copy);
} else {
INIT_PZVAL(intern->u.caching.zstr);
zval_copy_ctor(intern->u.caching.zstr);
}
}
spl_dual_it_next(intern, 0 TSRMLS_CC);
} else {
intern->u.caching.flags &= ~CIT_VALID;
}
}
static inline void spl_caching_it_rewind(spl_dual_it_object *intern TSRMLS_DC)
{
spl_dual_it_rewind(intern TSRMLS_CC);
zend_hash_clean(HASH_OF(intern->u.caching.zcache));
spl_caching_it_next(intern TSRMLS_CC);
}
/* {{{ proto void CachingIterator::__construct(Iterator it [, flags = CIT_CALL_TOSTRING])
Construct a CachingIterator from an Iterator */
SPL_METHOD(CachingIterator, __construct)
{
spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_CachingIterator, zend_ce_iterator, DIT_CachingIterator);
} /* }}} */
/* {{{ proto void CachingIterator::rewind()
Rewind the iterator */
SPL_METHOD(CachingIterator, rewind)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_caching_it_rewind(intern TSRMLS_CC);
} /* }}} */
/* {{{ proto bool CachingIterator::valid()
Check whether the current element is valid */
SPL_METHOD(CachingIterator, valid)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_BOOL(spl_caching_it_valid(intern TSRMLS_CC) == SUCCESS);
} /* }}} */
/* {{{ proto void CachingIterator::next()
Move the iterator forward */
SPL_METHOD(CachingIterator, next)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_caching_it_next(intern TSRMLS_CC);
} /* }}} */
/* {{{ proto bool CachingIterator::hasNext()
Check whether the inner iterator has a valid next element */
SPL_METHOD(CachingIterator, hasNext)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_BOOL(spl_caching_it_has_next(intern TSRMLS_CC) == SUCCESS);
} /* }}} */
/* {{{ proto string CachingIterator::__toString()
Return the string representation of the current element */
SPL_METHOD(CachingIterator, __toString)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (!(intern->u.caching.flags & (CIT_CALL_TOSTRING|CIT_TOSTRING_USE_KEY|CIT_TOSTRING_USE_CURRENT|CIT_TOSTRING_USE_INNER))) {
zend_throw_exception_ex(spl_ce_BadMethodCallException, 0 TSRMLS_CC, "%s does not fetch string value (see CachingIterator::__construct)", Z_OBJCE_P(getThis())->name);
return;
}
if (intern->u.caching.flags & CIT_TOSTRING_USE_KEY) {
if (intern->current.key_type == HASH_KEY_IS_STRING) {
RETURN_STRINGL(intern->current.str_key, intern->current.str_key_len-1, 1);
} else {
RETVAL_LONG(intern->current.int_key);
convert_to_string(return_value);
return;
}
} else if (intern->u.caching.flags & CIT_TOSTRING_USE_CURRENT) {
MAKE_COPY_ZVAL(&intern->current.data, return_value);
convert_to_string(return_value);
return;
}
if (intern->u.caching.zstr) {
RETURN_STRINGL(Z_STRVAL_P(intern->u.caching.zstr), Z_STRLEN_P(intern->u.caching.zstr), 1);
} else {
RETURN_NULL();
}
} /* }}} */
/* {{{ proto void CachingIterator::offsetSet(mixed index, mixed newval)
Set given index in cache */
SPL_METHOD(CachingIterator, offsetSet)
{
spl_dual_it_object *intern;
char *arKey;
uint nKeyLength;
zval *value;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (!(intern->u.caching.flags & CIT_FULL_CACHE)) {
zend_throw_exception_ex(spl_ce_BadMethodCallException, 0 TSRMLS_CC, "%s does not use a full cache (see CachingIterator::__construct)", Z_OBJCE_P(getThis())->name);
return;
}
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz", &arKey, &nKeyLength, &value) == FAILURE) {
return;
}
Z_ADDREF_P(value);
zend_symtable_update(HASH_OF(intern->u.caching.zcache), arKey, nKeyLength+1, &value, sizeof(value), NULL);
}
/* }}} */
/* {{{ proto string CachingIterator::offsetGet(mixed index)
Return the internal cache if used */
SPL_METHOD(CachingIterator, offsetGet)
{
spl_dual_it_object *intern;
char *arKey;
uint nKeyLength;
zval **value;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (!(intern->u.caching.flags & CIT_FULL_CACHE)) {
zend_throw_exception_ex(spl_ce_BadMethodCallException, 0 TSRMLS_CC, "%s does not use a full cache (see CachingIterator::__construct)", Z_OBJCE_P(getThis())->name);
return;
}
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &arKey, &nKeyLength) == FAILURE) {
return;
}
if (zend_symtable_find(HASH_OF(intern->u.caching.zcache), arKey, nKeyLength+1, (void**)&value) == FAILURE) {
zend_error(E_NOTICE, "Undefined index: %s", arKey);
return;
}
RETURN_ZVAL(*value, 1, 0);
}
/* }}} */
/* {{{ proto void CachingIterator::offsetUnset(mixed index)
Unset given index in cache */
SPL_METHOD(CachingIterator, offsetUnset)
{
spl_dual_it_object *intern;
char *arKey;
uint nKeyLength;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (!(intern->u.caching.flags & CIT_FULL_CACHE)) {
zend_throw_exception_ex(spl_ce_BadMethodCallException, 0 TSRMLS_CC, "%s does not use a full cache (see CachingIterator::__construct)", Z_OBJCE_P(getThis())->name);
return;
}
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &arKey, &nKeyLength) == FAILURE) {
return;
}
zend_symtable_del(HASH_OF(intern->u.caching.zcache), arKey, nKeyLength+1);
}
/* }}} */
/* {{{ proto bool CachingIterator::offsetExists(mixed index)
Return whether the requested index exists */
SPL_METHOD(CachingIterator, offsetExists)
{
spl_dual_it_object *intern;
char *arKey;
uint nKeyLength;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (!(intern->u.caching.flags & CIT_FULL_CACHE)) {
zend_throw_exception_ex(spl_ce_BadMethodCallException, 0 TSRMLS_CC, "%s does not use a full cache (see CachingIterator::__construct)", Z_OBJCE_P(getThis())->name);
return;
}
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &arKey, &nKeyLength) == FAILURE) {
return;
}
RETURN_BOOL(zend_symtable_exists(HASH_OF(intern->u.caching.zcache), arKey, nKeyLength+1));
}
/* }}} */
/* {{{ proto bool CachingIterator::getCache()
Return the cache */
SPL_METHOD(CachingIterator, getCache)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (!(intern->u.caching.flags & CIT_FULL_CACHE)) {
zend_throw_exception_ex(spl_ce_BadMethodCallException, 0 TSRMLS_CC, "%v does not use a full cache (see CachingIterator::__construct)", Z_OBJCE_P(getThis())->name);
return;
}
RETURN_ZVAL(intern->u.caching.zcache, 1, 0);
}
/* }}} */
/* {{{ proto int CachingIterator::getFlags()
Return the internal flags */
SPL_METHOD(CachingIterator, getFlags)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_LONG(intern->u.caching.flags);
}
/* }}} */
/* {{{ proto void CachingIterator::setFlags(int flags)
Set the internal flags */
SPL_METHOD(CachingIterator, setFlags)
{
spl_dual_it_object *intern;
long flags;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &flags) == FAILURE) {
return;
}
if (spl_cit_check_flags(flags) != SUCCESS) {
zend_throw_exception(spl_ce_InvalidArgumentException , "Flags must contain only one of CALL_TOSTRING, TOSTRING_USE_KEY, TOSTRING_USE_CURRENT, TOSTRING_USE_INNER", 0 TSRMLS_CC);
return;
}
if ((intern->u.caching.flags & CIT_CALL_TOSTRING) != 0 && (flags & CIT_CALL_TOSTRING) == 0) {
zend_throw_exception(spl_ce_InvalidArgumentException, "Unsetting flag CALL_TO_STRING is not possible", 0 TSRMLS_CC);
return;
}
if ((intern->u.caching.flags & CIT_TOSTRING_USE_INNER) != 0 && (flags & CIT_TOSTRING_USE_INNER) == 0) {
zend_throw_exception(spl_ce_InvalidArgumentException, "Unsetting flag TOSTRING_USE_INNER is not possible", 0 TSRMLS_CC);
return;
}
if ((flags && CIT_FULL_CACHE) != 0 && (intern->u.caching.flags & CIT_FULL_CACHE) == 0) {
/* clear on (re)enable */
zend_hash_clean(HASH_OF(intern->u.caching.zcache));
}
intern->u.caching.flags = (intern->u.caching.flags & ~CIT_PUBLIC) | (flags & CIT_PUBLIC);
}
/* }}} */
/* {{{ proto void CachingIterator::count()
Number of cached elements */
SPL_METHOD(CachingIterator, count)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (!(intern->u.caching.flags & CIT_FULL_CACHE)) {
zend_throw_exception_ex(spl_ce_BadMethodCallException, 0 TSRMLS_CC, "%v does not use a full cache (see CachingIterator::__construct)", Z_OBJCE_P(getThis())->name);
return;
}
RETURN_LONG(zend_hash_num_elements(HASH_OF(intern->u.caching.zcache)));
}
/* }}} */
ZEND_BEGIN_ARG_INFO_EX(arginfo_caching_it___construct, 0, 0, 1)
ZEND_ARG_OBJ_INFO(0, iterator, Iterator, 0)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO(arginfo_caching_it_setFlags, 0)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO(arginfo_caching_it_offsetGet, 0)
ZEND_ARG_INFO(0, index)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO(arginfo_caching_it_offsetSet, 0)
ZEND_ARG_INFO(0, index)
ZEND_ARG_INFO(0, newval)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_CachingIterator[] = {
SPL_ME(CachingIterator, __construct, arginfo_caching_it___construct, ZEND_ACC_PUBLIC)
SPL_ME(CachingIterator, rewind, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(CachingIterator, valid, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, key, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, current, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(CachingIterator, next, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(CachingIterator, hasNext, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(CachingIterator, __toString, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, getInnerIterator, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(CachingIterator, getFlags, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(CachingIterator, setFlags, arginfo_caching_it_setFlags, ZEND_ACC_PUBLIC)
SPL_ME(CachingIterator, offsetGet, arginfo_caching_it_offsetGet, ZEND_ACC_PUBLIC)
SPL_ME(CachingIterator, offsetSet, arginfo_caching_it_offsetSet, ZEND_ACC_PUBLIC)
SPL_ME(CachingIterator, offsetUnset, arginfo_caching_it_offsetGet, ZEND_ACC_PUBLIC)
SPL_ME(CachingIterator, offsetExists, arginfo_caching_it_offsetGet, ZEND_ACC_PUBLIC)
SPL_ME(CachingIterator, getCache, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(CachingIterator, count, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
/* {{{ proto void RecursiveCachingIterator::__construct(RecursiveIterator it [, flags = CIT_CALL_TOSTRING])
Create an iterator from a RecursiveIterator */
SPL_METHOD(RecursiveCachingIterator, __construct)
{
spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_RecursiveCachingIterator, spl_ce_RecursiveIterator, DIT_RecursiveCachingIterator);
} /* }}} */
/* {{{ proto bool RecursiveCachingIterator::hasChildren()
Check whether the current element of the inner iterator has children */
SPL_METHOD(RecursiveCachingIterator, hasChildren)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_BOOL(intern->u.caching.zchildren);
} /* }}} */
/* {{{ proto RecursiveCachingIterator RecursiveCachingIterator::getChildren()
Return the inner iterator's children as a RecursiveCachingIterator */
SPL_METHOD(RecursiveCachingIterator, getChildren)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (intern->u.caching.zchildren) {
RETURN_ZVAL(intern->u.caching.zchildren, 1, 0);
} else {
RETURN_NULL();
}
} /* }}} */
ZEND_BEGIN_ARG_INFO_EX(arginfo_caching_rec_it___construct, 0, ZEND_RETURN_VALUE, 1)
ZEND_ARG_OBJ_INFO(0, iterator, Iterator, 0)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_RecursiveCachingIterator[] = {
SPL_ME(RecursiveCachingIterator, __construct, arginfo_caching_rec_it___construct, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveCachingIterator, hasChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(RecursiveCachingIterator, getChildren, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
/* {{{ proto void IteratorIterator::__construct(Traversable it)
Create an iterator from anything that is traversable */
SPL_METHOD(IteratorIterator, __construct)
{
spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_IteratorIterator, zend_ce_traversable, DIT_IteratorIterator);
} /* }}} */
ZEND_BEGIN_ARG_INFO(arginfo_iterator_it___construct, 0)
ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_IteratorIterator[] = {
SPL_ME(IteratorIterator, __construct, arginfo_iterator_it___construct, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, rewind, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, valid, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, key, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, current, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, next, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, getInnerIterator, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
/* {{{ proto void NoRewindIterator::__construct(Iterator it)
Create an iterator from another iterator */
SPL_METHOD(NoRewindIterator, __construct)
{
spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_NoRewindIterator, zend_ce_iterator, DIT_NoRewindIterator);
} /* }}} */
/* {{{ proto void NoRewindIterator::rewind()
Prevent a call to inner iterators rewind() */
SPL_METHOD(NoRewindIterator, rewind)
{
/* nothing to do */
} /* }}} */
/* {{{ proto bool NoRewindIterator::valid()
Return inner iterators valid() */
SPL_METHOD(NoRewindIterator, valid)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_BOOL(intern->inner.iterator->funcs->valid(intern->inner.iterator TSRMLS_CC) == SUCCESS);
} /* }}} */
/* {{{ proto mixed NoRewindIterator::key()
Return inner iterators key() */
SPL_METHOD(NoRewindIterator, key)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (intern->inner.iterator->funcs->get_current_key) {
char *str_key;
uint str_key_len;
ulong int_key;
switch (intern->inner.iterator->funcs->get_current_key(intern->inner.iterator, &str_key, &str_key_len, &int_key TSRMLS_CC)) {
case HASH_KEY_IS_LONG:
RETURN_LONG(int_key);
break;
case HASH_KEY_IS_STRING:
RETURN_STRINGL(str_key, str_key_len-1, 0);
break;
default:
RETURN_NULL();
}
} else {
RETURN_NULL();
}
} /* }}} */
/* {{{ proto mixed NoRewindIterator::current()
Return inner iterators current() */
SPL_METHOD(NoRewindIterator, current)
{
spl_dual_it_object *intern;
zval **data;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
intern->inner.iterator->funcs->get_current_data(intern->inner.iterator, &data TSRMLS_CC);
if (data && *data) {
RETURN_ZVAL(*data, 1, 0);
}
} /* }}} */
/* {{{ proto void NoRewindIterator::next()
Return inner iterators next() */
SPL_METHOD(NoRewindIterator, next)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
intern->inner.iterator->funcs->move_forward(intern->inner.iterator TSRMLS_CC);
} /* }}} */
ZEND_BEGIN_ARG_INFO(arginfo_norewind_it___construct, 0)
ZEND_ARG_OBJ_INFO(0, iterator, Iterator, 0)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_NoRewindIterator[] = {
SPL_ME(NoRewindIterator, __construct, arginfo_norewind_it___construct, ZEND_ACC_PUBLIC)
SPL_ME(NoRewindIterator, rewind, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(NoRewindIterator, valid, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(NoRewindIterator, key, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(NoRewindIterator, current, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(NoRewindIterator, next, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, getInnerIterator, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
/* {{{ proto void InfiniteIterator::__construct(Iterator it)
Create an iterator from another iterator */
SPL_METHOD(InfiniteIterator, __construct)
{
spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_InfiniteIterator, zend_ce_iterator, DIT_InfiniteIterator);
} /* }}} */
/* {{{ proto void InfiniteIterator::next()
Prevent a call to inner iterators rewind() (internally the current data will be fetched if valid()) */
SPL_METHOD(InfiniteIterator, next)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_dual_it_next(intern, 1 TSRMLS_CC);
if (spl_dual_it_valid(intern TSRMLS_CC) == SUCCESS) {
spl_dual_it_fetch(intern, 0 TSRMLS_CC);
} else {
spl_dual_it_rewind(intern TSRMLS_CC);
if (spl_dual_it_valid(intern TSRMLS_CC) == SUCCESS) {
spl_dual_it_fetch(intern, 0 TSRMLS_CC);
}
}
} /* }}} */
static const zend_function_entry spl_funcs_InfiniteIterator[] = {
SPL_ME(InfiniteIterator, __construct, arginfo_norewind_it___construct, ZEND_ACC_PUBLIC)
SPL_ME(InfiniteIterator, next, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
/* {{{ proto void EmptyIterator::rewind()
Does nothing */
SPL_METHOD(EmptyIterator, rewind)
{
} /* }}} */
/* {{{ proto false EmptyIterator::valid()
Return false */
SPL_METHOD(EmptyIterator, valid)
{
RETURN_FALSE;
} /* }}} */
/* {{{ proto void EmptyIterator::key()
Throws exception BadMethodCallException */
SPL_METHOD(EmptyIterator, key)
{
zend_throw_exception(spl_ce_BadMethodCallException, "Accessing the key of an EmptyIterator", 0 TSRMLS_CC);
} /* }}} */
/* {{{ proto void EmptyIterator::current()
Throws exception BadMethodCallException */
SPL_METHOD(EmptyIterator, current)
{
zend_throw_exception(spl_ce_BadMethodCallException, "Accessing the value of an EmptyIterator", 0 TSRMLS_CC);
} /* }}} */
/* {{{ proto void EmptyIterator::next()
Does nothing */
SPL_METHOD(EmptyIterator, next)
{
} /* }}} */
static const zend_function_entry spl_funcs_EmptyIterator[] = {
SPL_ME(EmptyIterator, rewind, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(EmptyIterator, valid, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(EmptyIterator, key, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(EmptyIterator, current, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(EmptyIterator, next, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
int spl_append_it_next_iterator(spl_dual_it_object *intern TSRMLS_DC) /* {{{*/
{
spl_dual_it_free(intern TSRMLS_CC);
if (intern->inner.zobject) {
zval_ptr_dtor(&intern->inner.zobject);
intern->inner.zobject = NULL;
intern->inner.ce = NULL;
intern->inner.object = NULL;
if (intern->inner.iterator) {
intern->inner.iterator->funcs->dtor(intern->inner.iterator TSRMLS_CC);
intern->inner.iterator = NULL;
}
}
if (intern->u.append.iterator->funcs->valid(intern->u.append.iterator TSRMLS_CC) == SUCCESS) {
zval **it;
intern->u.append.iterator->funcs->get_current_data(intern->u.append.iterator, &it TSRMLS_CC);
Z_ADDREF_PP(it);
intern->inner.zobject = *it;
intern->inner.ce = Z_OBJCE_PP(it);
intern->inner.object = zend_object_store_get_object(*it TSRMLS_CC);
intern->inner.iterator = intern->inner.ce->get_iterator(intern->inner.ce, *it, 0 TSRMLS_CC);
spl_dual_it_rewind(intern TSRMLS_CC);
return SUCCESS;
} else {
return FAILURE;
}
} /* }}} */
void spl_append_it_fetch(spl_dual_it_object *intern TSRMLS_DC) /* {{{*/
{
while (spl_dual_it_valid(intern TSRMLS_CC) != SUCCESS) {
intern->u.append.iterator->funcs->move_forward(intern->u.append.iterator TSRMLS_CC);
if (spl_append_it_next_iterator(intern TSRMLS_CC) != SUCCESS) {
return;
}
}
spl_dual_it_fetch(intern, 0 TSRMLS_CC);
} /* }}} */
void spl_append_it_next(spl_dual_it_object *intern TSRMLS_DC) /* {{{ */
{
if (spl_dual_it_valid(intern TSRMLS_CC) == SUCCESS) {
spl_dual_it_next(intern, 1 TSRMLS_CC);
}
spl_append_it_fetch(intern TSRMLS_CC);
} /* }}} */
/* {{{ proto void AppendIterator::__construct()
Create an AppendIterator */
SPL_METHOD(AppendIterator, __construct)
{
spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_AppendIterator, zend_ce_iterator, DIT_AppendIterator);
} /* }}} */
/* {{{ proto void AppendIterator::append(Iterator it)
Append an iterator */
SPL_METHOD(AppendIterator, append)
{
spl_dual_it_object *intern;
zval *it;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
APPENDIT_CHECK_CTOR(intern);
if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "O", &it, zend_ce_iterator) == FAILURE) {
return;
}
spl_array_iterator_append(intern->u.append.zarrayit, it TSRMLS_CC);
if (!intern->inner.iterator || spl_dual_it_valid(intern TSRMLS_CC) != SUCCESS) {
if (intern->u.append.iterator->funcs->valid(intern->u.append.iterator TSRMLS_CC) != SUCCESS) {
intern->u.append.iterator->funcs->rewind(intern->u.append.iterator TSRMLS_CC);
}
do {
spl_append_it_next_iterator(intern TSRMLS_CC);
} while (intern->inner.zobject != it);
spl_append_it_fetch(intern TSRMLS_CC);
}
} /* }}} */
/* {{{ proto void AppendIterator::rewind()
Rewind to the first iterator and rewind the first iterator, too */
SPL_METHOD(AppendIterator, rewind)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
intern->u.append.iterator->funcs->rewind(intern->u.append.iterator TSRMLS_CC);
if (spl_append_it_next_iterator(intern TSRMLS_CC) == SUCCESS) {
spl_append_it_fetch(intern TSRMLS_CC);
}
} /* }}} */
/* {{{ proto bool AppendIterator::valid()
Check if the current state is valid */
SPL_METHOD(AppendIterator, valid)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_BOOL(intern->current.data);
} /* }}} */
/* {{{ proto void AppendIterator::next()
Forward to next element */
SPL_METHOD(AppendIterator, next)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_append_it_next(intern TSRMLS_CC);
} /* }}} */
/* {{{ proto int AppendIterator::getIteratorIndex()
Get index of iterator */
SPL_METHOD(AppendIterator, getIteratorIndex)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
APPENDIT_CHECK_CTOR(intern);
spl_array_iterator_key(intern->u.append.zarrayit, return_value TSRMLS_CC);
} /* }}} */
/* {{{ proto ArrayIterator AppendIterator::getArrayIterator()
Get access to inner ArrayIterator */
SPL_METHOD(AppendIterator, getArrayIterator)
{
spl_dual_it_object *intern;
intern = (spl_dual_it_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
APPENDIT_CHECK_CTOR(intern);
RETURN_ZVAL(intern->u.append.zarrayit, 1, 0);
} /* }}} */
ZEND_BEGIN_ARG_INFO(arginfo_append_it_append, 0)
ZEND_ARG_OBJ_INFO(0, iterator, Iterator, 0)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_AppendIterator[] = {
SPL_ME(AppendIterator, __construct, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(AppendIterator, append, arginfo_append_it_append, ZEND_ACC_PUBLIC)
SPL_ME(AppendIterator, rewind, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(AppendIterator, valid, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, key, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, current, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(AppendIterator, next, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(dual_it, getInnerIterator, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(AppendIterator, getIteratorIndex, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
SPL_ME(AppendIterator, getArrayIterator, arginfo_recursive_it_void, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
PHPAPI int spl_iterator_apply(zval *obj, spl_iterator_apply_func_t apply_func, void *puser TSRMLS_DC)
{
zend_object_iterator *iter;
zend_class_entry *ce = Z_OBJCE_P(obj);
iter = ce->get_iterator(ce, obj, 0 TSRMLS_CC);
if (EG(exception)) {
goto done;
}
if (iter->funcs->rewind) {
iter->funcs->rewind(iter TSRMLS_CC);
if (EG(exception)) {
goto done;
}
}
while (iter->funcs->valid(iter TSRMLS_CC) == SUCCESS) {
if (EG(exception)) {
goto done;
}
if (apply_func(iter, puser TSRMLS_CC) == ZEND_HASH_APPLY_STOP || EG(exception)) {
goto done;
}
iter->funcs->move_forward(iter TSRMLS_CC);
if (EG(exception)) {
goto done;
}
}
done:
iter->funcs->dtor(iter TSRMLS_CC);
return EG(exception) ? FAILURE : SUCCESS;
}
/* }}} */
static int spl_iterator_to_array_apply(zend_object_iterator *iter, void *puser TSRMLS_DC) /* {{{ */
{
zval **data, *return_value = (zval*)puser;
char *str_key;
uint str_key_len;
ulong int_key;
int key_type;
iter->funcs->get_current_data(iter, &data TSRMLS_CC);
if (EG(exception)) {
return ZEND_HASH_APPLY_STOP;
}
if (data == NULL || *data == NULL) {
return ZEND_HASH_APPLY_STOP;
}
if (iter->funcs->get_current_key) {
key_type = iter->funcs->get_current_key(iter, &str_key, &str_key_len, &int_key TSRMLS_CC);
if (EG(exception)) {
return ZEND_HASH_APPLY_STOP;
}
Z_ADDREF_PP(data);
switch(key_type) {
case HASH_KEY_IS_STRING:
add_assoc_zval_ex(return_value, str_key, str_key_len, *data);
efree(str_key);
break;
case HASH_KEY_IS_LONG:
add_index_zval(return_value, int_key, *data);
break;
}
} else {
Z_ADDREF_PP(data);
add_next_index_zval(return_value, *data);
}
return ZEND_HASH_APPLY_KEEP;
}
/* }}} */
static int spl_iterator_to_values_apply(zend_object_iterator *iter, void *puser TSRMLS_DC) /* {{{ */
{
zval **data, *return_value = (zval*)puser;
iter->funcs->get_current_data(iter, &data TSRMLS_CC);
if (EG(exception)) {
return ZEND_HASH_APPLY_STOP;
}
if (data == NULL || *data == NULL) {
return ZEND_HASH_APPLY_STOP;
}
Z_ADDREF_PP(data);
add_next_index_zval(return_value, *data);
return ZEND_HASH_APPLY_KEEP;
}
/* }}} */
/* {{{ proto array iterator_to_array(Traversable it [, bool use_keys = true])
Copy the iterator into an array */
PHP_FUNCTION(iterator_to_array)
{
zval *obj;
zend_bool use_keys = 1;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|b", &obj, zend_ce_traversable, &use_keys) == FAILURE) {
RETURN_FALSE;
}
array_init(return_value);
if (spl_iterator_apply(obj, use_keys ? spl_iterator_to_array_apply : spl_iterator_to_values_apply, (void*)return_value TSRMLS_CC) != SUCCESS) {
zval_dtor(return_value);
RETURN_NULL();
}
} /* }}} */
static int spl_iterator_count_apply(zend_object_iterator *iter, void *puser TSRMLS_DC) /* {{{ */
{
(*(long*)puser)++;
return ZEND_HASH_APPLY_KEEP;
}
/* }}} */
/* {{{ proto int iterator_count(Traversable it)
Count the elements in an iterator */
PHP_FUNCTION(iterator_count)
{
zval *obj;
long count = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &obj, zend_ce_traversable) == FAILURE) {
RETURN_FALSE;
}
if (spl_iterator_apply(obj, spl_iterator_count_apply, (void*)&count TSRMLS_CC) == SUCCESS) {
RETURN_LONG(count);
}
}
/* }}} */
typedef struct {
zval *obj;
zval *args;
long count;
zend_fcall_info fci;
zend_fcall_info_cache fcc;
} spl_iterator_apply_info;
static int spl_iterator_func_apply(zend_object_iterator *iter, void *puser TSRMLS_DC) /* {{{ */
{
zval *retval;
spl_iterator_apply_info *apply_info = (spl_iterator_apply_info*)puser;
int result;
apply_info->count++;
zend_fcall_info_call(&apply_info->fci, &apply_info->fcc, &retval, NULL TSRMLS_CC);
if (retval) {
result = zend_is_true(retval) ? ZEND_HASH_APPLY_KEEP : ZEND_HASH_APPLY_STOP;
zval_ptr_dtor(&retval);
} else {
result = ZEND_HASH_APPLY_STOP;
}
return result;
}
/* }}} */
/* {{{ proto int iterator_apply(Traversable it, mixed function [, mixed params])
Calls a function for every element in an iterator */
PHP_FUNCTION(iterator_apply)
{
spl_iterator_apply_info apply_info;
apply_info.args = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Of|a!", &apply_info.obj, zend_ce_traversable, &apply_info.fci, &apply_info.fcc, &apply_info.args) == FAILURE) {
return;
}
apply_info.count = 0;
zend_fcall_info_args(&apply_info.fci, apply_info.args TSRMLS_CC);
if (spl_iterator_apply(apply_info.obj, spl_iterator_func_apply, (void*)&apply_info TSRMLS_CC) == SUCCESS) {
RETVAL_LONG(apply_info.count);
} else {
RETVAL_FALSE;
}
zend_fcall_info_args(&apply_info.fci, NULL TSRMLS_CC);
}
/* }}} */
static const zend_function_entry spl_funcs_OuterIterator[] = {
SPL_ABSTRACT_ME(OuterIterator, getInnerIterator, arginfo_recursive_it_void)
{NULL, NULL, NULL}
};
static const zend_function_entry spl_funcs_Countable[] = {
SPL_ABSTRACT_ME(Countable, count, arginfo_recursive_it_void)
{NULL, NULL, NULL}
};
/* {{{ PHP_MINIT_FUNCTION(spl_iterators)
*/
PHP_MINIT_FUNCTION(spl_iterators)
{
REGISTER_SPL_INTERFACE(RecursiveIterator);
REGISTER_SPL_ITERATOR(RecursiveIterator);
REGISTER_SPL_STD_CLASS_EX(RecursiveIteratorIterator, spl_RecursiveIteratorIterator_new, spl_funcs_RecursiveIteratorIterator);
REGISTER_SPL_ITERATOR(RecursiveIteratorIterator);
memcpy(&spl_handlers_rec_it_it, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
spl_handlers_rec_it_it.get_method = spl_recursive_it_get_method;
spl_handlers_rec_it_it.clone_obj = NULL;
memcpy(&spl_handlers_dual_it, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
spl_handlers_dual_it.get_method = spl_dual_it_get_method;
/*spl_handlers_dual_it.call_method = spl_dual_it_call_method;*/
spl_handlers_dual_it.clone_obj = NULL;
spl_ce_RecursiveIteratorIterator->get_iterator = spl_recursive_it_get_iterator;
spl_ce_RecursiveIteratorIterator->iterator_funcs.funcs = &spl_recursive_it_iterator_funcs;
REGISTER_SPL_CLASS_CONST_LONG(RecursiveIteratorIterator, "LEAVES_ONLY", RIT_LEAVES_ONLY);
REGISTER_SPL_CLASS_CONST_LONG(RecursiveIteratorIterator, "SELF_FIRST", RIT_SELF_FIRST);
REGISTER_SPL_CLASS_CONST_LONG(RecursiveIteratorIterator, "CHILD_FIRST", RIT_CHILD_FIRST);
REGISTER_SPL_CLASS_CONST_LONG(RecursiveIteratorIterator, "CATCH_GET_CHILD", RIT_CATCH_GET_CHILD);
REGISTER_SPL_INTERFACE(OuterIterator);
REGISTER_SPL_ITERATOR(OuterIterator);
REGISTER_SPL_STD_CLASS_EX(IteratorIterator, spl_dual_it_new, spl_funcs_IteratorIterator);
REGISTER_SPL_ITERATOR(IteratorIterator);
REGISTER_SPL_IMPLEMENTS(IteratorIterator, OuterIterator);
REGISTER_SPL_SUB_CLASS_EX(FilterIterator, IteratorIterator, spl_dual_it_new, spl_funcs_FilterIterator);
spl_ce_FilterIterator->ce_flags |= ZEND_ACC_EXPLICIT_ABSTRACT_CLASS;
REGISTER_SPL_SUB_CLASS_EX(RecursiveFilterIterator, FilterIterator, spl_dual_it_new, spl_funcs_RecursiveFilterIterator);
REGISTER_SPL_IMPLEMENTS(RecursiveFilterIterator, RecursiveIterator);
REGISTER_SPL_SUB_CLASS_EX(ParentIterator, RecursiveFilterIterator, spl_dual_it_new, spl_funcs_ParentIterator);
REGISTER_SPL_INTERFACE(Countable);
REGISTER_SPL_INTERFACE(SeekableIterator);
REGISTER_SPL_ITERATOR(SeekableIterator);
REGISTER_SPL_SUB_CLASS_EX(LimitIterator, IteratorIterator, spl_dual_it_new, spl_funcs_LimitIterator);
REGISTER_SPL_SUB_CLASS_EX(CachingIterator, IteratorIterator, spl_dual_it_new, spl_funcs_CachingIterator);
REGISTER_SPL_IMPLEMENTS(CachingIterator, ArrayAccess);
REGISTER_SPL_IMPLEMENTS(CachingIterator, Countable);
REGISTER_SPL_CLASS_CONST_LONG(CachingIterator, "CALL_TOSTRING", CIT_CALL_TOSTRING);
REGISTER_SPL_CLASS_CONST_LONG(CachingIterator, "CATCH_GET_CHILD", CIT_CATCH_GET_CHILD);
REGISTER_SPL_CLASS_CONST_LONG(CachingIterator, "TOSTRING_USE_KEY", CIT_TOSTRING_USE_KEY);
REGISTER_SPL_CLASS_CONST_LONG(CachingIterator, "TOSTRING_USE_CURRENT", CIT_TOSTRING_USE_CURRENT);
REGISTER_SPL_CLASS_CONST_LONG(CachingIterator, "TOSTRING_USE_INNER", CIT_TOSTRING_USE_INNER);
REGISTER_SPL_CLASS_CONST_LONG(CachingIterator, "FULL_CACHE", CIT_FULL_CACHE);
REGISTER_SPL_SUB_CLASS_EX(RecursiveCachingIterator, CachingIterator, spl_dual_it_new, spl_funcs_RecursiveCachingIterator);
REGISTER_SPL_IMPLEMENTS(RecursiveCachingIterator, RecursiveIterator);
REGISTER_SPL_SUB_CLASS_EX(NoRewindIterator, IteratorIterator, spl_dual_it_new, spl_funcs_NoRewindIterator);
REGISTER_SPL_SUB_CLASS_EX(AppendIterator, IteratorIterator, spl_dual_it_new, spl_funcs_AppendIterator);
REGISTER_SPL_IMPLEMENTS(RecursiveIteratorIterator, OuterIterator);
REGISTER_SPL_SUB_CLASS_EX(InfiniteIterator, IteratorIterator, spl_dual_it_new, spl_funcs_InfiniteIterator);
#if HAVE_PCRE || HAVE_BUNDLED_PCRE
REGISTER_SPL_SUB_CLASS_EX(RegexIterator, FilterIterator, spl_dual_it_new, spl_funcs_RegexIterator);
REGISTER_SPL_CLASS_CONST_LONG(RegexIterator, "USE_KEY", REGIT_USE_KEY);
REGISTER_SPL_CLASS_CONST_LONG(RegexIterator, "MATCH", REGIT_MODE_MATCH);
REGISTER_SPL_CLASS_CONST_LONG(RegexIterator, "GET_MATCH", REGIT_MODE_GET_MATCH);
REGISTER_SPL_CLASS_CONST_LONG(RegexIterator, "ALL_MATCHES", REGIT_MODE_ALL_MATCHES);
REGISTER_SPL_CLASS_CONST_LONG(RegexIterator, "SPLIT", REGIT_MODE_SPLIT);
REGISTER_SPL_CLASS_CONST_LONG(RegexIterator, "REPLACE", REGIT_MODE_REPLACE);
REGISTER_SPL_PROPERTY(RegexIterator, "replacement", 0);
REGISTER_SPL_SUB_CLASS_EX(RecursiveRegexIterator, RegexIterator, spl_dual_it_new, spl_funcs_RecursiveRegexIterator);
REGISTER_SPL_IMPLEMENTS(RecursiveRegexIterator, RecursiveIterator);
#else
spl_ce_RegexIterator = NULL;
spl_ce_RecursiveRegexIterator = NULL;
#endif
REGISTER_SPL_STD_CLASS_EX(EmptyIterator, NULL, spl_funcs_EmptyIterator);
REGISTER_SPL_ITERATOR(EmptyIterator);
REGISTER_SPL_SUB_CLASS_EX(RecursiveTreeIterator, RecursiveIteratorIterator, spl_RecursiveTreeIterator_new, spl_funcs_RecursiveTreeIterator);
REGISTER_SPL_CLASS_CONST_LONG(RecursiveTreeIterator, "BYPASS_CURRENT", RTIT_BYPASS_CURRENT);
REGISTER_SPL_CLASS_CONST_LONG(RecursiveTreeIterator, "BYPASS_KEY", RTIT_BYPASS_KEY);
REGISTER_SPL_CLASS_CONST_LONG(RecursiveTreeIterator, "PREFIX_LEFT", 0);
REGISTER_SPL_CLASS_CONST_LONG(RecursiveTreeIterator, "PREFIX_MID_HAS_NEXT", 1);
REGISTER_SPL_CLASS_CONST_LONG(RecursiveTreeIterator, "PREFIX_MID_LAST", 2);
REGISTER_SPL_CLASS_CONST_LONG(RecursiveTreeIterator, "PREFIX_END_HAS_NEXT", 3);
REGISTER_SPL_CLASS_CONST_LONG(RecursiveTreeIterator, "PREFIX_END_LAST", 4);
REGISTER_SPL_CLASS_CONST_LONG(RecursiveTreeIterator, "PREFIX_RIGHT", 5);
return SUCCESS;
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: fdm=marker
* vim: noet sw=4 ts=4
*/
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