/*
+----------------------------------------------------------------------+
| Twig Extension |
+----------------------------------------------------------------------+
| Copyright (c) 2011 Derick Rethans |
+----------------------------------------------------------------------+
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the conditions mentioned |
| in the accompanying LICENSE file are met (BSD-3-Clause). |
+----------------------------------------------------------------------+
| Author: Derick Rethans <derick@derickrethans.nl> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_twig.h"
#include "ext/standard/php_var.h"
#include "ext/standard/php_string.h"
#include "ext/standard/php_smart_str.h"
#include "ext/spl/spl_exceptions.h"
#include "Zend/zend_object_handlers.h"
#include "Zend/zend_interfaces.h"
#include "Zend/zend_exceptions.h"
#ifndef Z_ADDREF_P
#define Z_ADDREF_P(pz) (pz)->refcount++
#endif
#define FREE_DTOR(z) \
zval_dtor(z); \
efree(z);
#if PHP_VERSION_ID >= 50300
#define APPLY_TSRMLS_DC TSRMLS_DC
#define APPLY_TSRMLS_CC TSRMLS_CC
#define APPLY_TSRMLS_FETCH()
#else
#define APPLY_TSRMLS_DC
#define APPLY_TSRMLS_CC
#define APPLY_TSRMLS_FETCH() TSRMLS_FETCH()
#endif
ZEND_BEGIN_ARG_INFO_EX(twig_template_get_attribute_args, ZEND_SEND_BY_VAL, ZEND_RETURN_VALUE, 6)
ZEND_ARG_INFO(0, template)
ZEND_ARG_INFO(0, object)
ZEND_ARG_INFO(0, item)
ZEND_ARG_INFO(0, arguments)
ZEND_ARG_INFO(0, type)
ZEND_ARG_INFO(0, isDefinedTest)
ZEND_END_ARG_INFO()
#ifndef PHP_FE_END
#define PHP_FE_END { NULL, NULL, NULL}
#endif
static const zend_function_entry twig_functions[] = {
PHP_FE(twig_template_get_attributes, twig_template_get_attribute_args)
PHP_FE_END
};
PHP_RSHUTDOWN_FUNCTION(twig)
{
#if ZEND_DEBUG
CG(unclean_shutdown) = 0; /* get rid of PHPUnit's exit() and report memleaks */
#endif
return SUCCESS;
}
zend_module_entry twig_module_entry = {
STANDARD_MODULE_HEADER,
"twig",
twig_functions,
NULL,
NULL,
NULL,
PHP_RSHUTDOWN(twig),
NULL,
PHP_TWIG_VERSION,
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_TWIG
ZEND_GET_MODULE(twig)
#endif
static int TWIG_ARRAY_KEY_EXISTS(zval *array, zval *key)
{
if (Z_TYPE_P(array) != IS_ARRAY) {
return 0;
}
switch (Z_TYPE_P(key)) {
case IS_NULL:
return zend_hash_exists(Z_ARRVAL_P(array), "", 1);
case IS_BOOL:
case IS_DOUBLE:
convert_to_long(key);
case IS_LONG:
return zend_hash_index_exists(Z_ARRVAL_P(array), Z_LVAL_P(key));
default:
convert_to_string(key);
return zend_symtable_exists(Z_ARRVAL_P(array), Z_STRVAL_P(key), Z_STRLEN_P(key) + 1);
}
}
static int TWIG_INSTANCE_OF(zval *object, zend_class_entry *interface TSRMLS_DC)
{
if (Z_TYPE_P(object) != IS_OBJECT) {
return 0;
}
return instanceof_function(Z_OBJCE_P(object), interface TSRMLS_CC);
}
static int TWIG_INSTANCE_OF_USERLAND(zval *object, char *interface TSRMLS_DC)
{
zend_class_entry **pce;
if (Z_TYPE_P(object) != IS_OBJECT) {
return 0;
}
if (zend_lookup_class(interface, strlen(interface), &pce TSRMLS_CC) == FAILURE) {
return 0;
}
return instanceof_function(Z_OBJCE_P(object), *pce TSRMLS_CC);
}
static zval *TWIG_GET_ARRAYOBJECT_ELEMENT(zval *object, zval *offset TSRMLS_DC)
{
zend_class_entry *ce = Z_OBJCE_P(object);
zval *retval;
if (Z_TYPE_P(object) == IS_OBJECT) {
SEPARATE_ARG_IF_REF(offset);
zend_call_method_with_1_params(&object, ce, NULL, "offsetget", &retval, offset);
zval_ptr_dtor(&offset);
if (!retval) {
if (!EG(exception)) {
zend_error(E_ERROR, "Undefined offset for object of type %s used as array", ce->name);
}
return NULL;
}
return retval;
}
return NULL;
}
static int TWIG_ISSET_ARRAYOBJECT_ELEMENT(zval *object, zval *offset TSRMLS_DC)
{
zend_class_entry *ce = Z_OBJCE_P(object);
zval *retval;
if (Z_TYPE_P(object) == IS_OBJECT) {
SEPARATE_ARG_IF_REF(offset);
zend_call_method_with_1_params(&object, ce, NULL, "offsetexists", &retval, offset);
zval_ptr_dtor(&offset);
if (!retval) {
if (!EG(exception)) {
zend_error(E_ERROR, "Undefined offset for object of type %s used as array", ce->name);
}
return 0;
}
return (retval && Z_TYPE_P(retval) == IS_BOOL && Z_LVAL_P(retval));
}
return 0;
}
static char *TWIG_STRTOLOWER(const char *str, int str_len)
{
char *item_dup;
item_dup = estrndup(str, str_len);
php_strtolower(item_dup, str_len);
return item_dup;
}
static zval *TWIG_CALL_USER_FUNC_ARRAY(zval *object, char *function, zval *arguments TSRMLS_DC)
{
zend_fcall_info fci;
zval ***args = NULL;
int arg_count = 0;
HashTable *table;
HashPosition pos;
int i = 0;
zval *retval_ptr;
zval *zfunction;
if (arguments) {
table = HASH_OF(arguments);
args = safe_emalloc(sizeof(zval **), table->nNumOfElements, 0);
zend_hash_internal_pointer_reset_ex(table, &pos);
while (zend_hash_get_current_data_ex(table, (void **)&args[i], &pos) == SUCCESS) {
i++;
zend_hash_move_forward_ex(table, &pos);
}
arg_count = table->nNumOfElements;
}
MAKE_STD_ZVAL(zfunction);
ZVAL_STRING(zfunction, function, 1);
fci.size = sizeof(fci);
fci.function_table = EG(function_table);
fci.function_name = zfunction;
fci.symbol_table = NULL;
#if PHP_VERSION_ID >= 50300
fci.object_ptr = object;
#else
fci.object_pp = &object;
#endif
fci.retval_ptr_ptr = &retval_ptr;
fci.param_count = arg_count;
fci.params = args;
fci.no_separation = 0;
if (zend_call_function(&fci, NULL TSRMLS_CC) == FAILURE) {
ALLOC_INIT_ZVAL(retval_ptr);
ZVAL_BOOL(retval_ptr, 0);
}
if (args) {
efree(fci.params);
}
FREE_DTOR(zfunction);
return retval_ptr;
}
static int TWIG_CALL_BOOLEAN(zval *object, char *functionName TSRMLS_DC)
{
zval *ret;
int res;
ret = TWIG_CALL_USER_FUNC_ARRAY(object, functionName, NULL TSRMLS_CC);
res = Z_LVAL_P(ret);
zval_ptr_dtor(&ret);
return res;
}
static zval *TWIG_GET_STATIC_PROPERTY(zval *class, char *prop_name TSRMLS_DC)
{
zval **tmp_zval;
zend_class_entry *ce;
if (class == NULL || Z_TYPE_P(class) != IS_OBJECT) {
return NULL;
}
ce = zend_get_class_entry(class TSRMLS_CC);
#if PHP_VERSION_ID >= 50400
tmp_zval = zend_std_get_static_property(ce, prop_name, strlen(prop_name), 0, NULL TSRMLS_CC);
#else
tmp_zval = zend_std_get_static_property(ce, prop_name, strlen(prop_name), 0 TSRMLS_CC);
#endif
return *tmp_zval;
}
static zval *TWIG_GET_ARRAY_ELEMENT_ZVAL(zval *class, zval *prop_name TSRMLS_DC)
{
zval **tmp_zval;
if (class == NULL || Z_TYPE_P(class) != IS_ARRAY) {
if (class != NULL && Z_TYPE_P(class) == IS_OBJECT && TWIG_INSTANCE_OF(class, zend_ce_arrayaccess TSRMLS_CC)) {
// array access object
return TWIG_GET_ARRAYOBJECT_ELEMENT(class, prop_name TSRMLS_CC);
}
return NULL;
}
switch(Z_TYPE_P(prop_name)) {
case IS_NULL:
zend_hash_find(HASH_OF(class), "", 1, (void**) &tmp_zval);
return *tmp_zval;
case IS_BOOL:
case IS_DOUBLE:
convert_to_long(prop_name);
case IS_LONG:
zend_hash_index_find(HASH_OF(class), Z_LVAL_P(prop_name), (void **) &tmp_zval);
return *tmp_zval;
case IS_STRING:
zend_symtable_find(HASH_OF(class), Z_STRVAL_P(prop_name), Z_STRLEN_P(prop_name) + 1, (void**) &tmp_zval);
return *tmp_zval;
}
return NULL;
}
static zval *TWIG_GET_ARRAY_ELEMENT(zval *class, char *prop_name, int prop_name_length TSRMLS_DC)
{
zval **tmp_zval;
if (class == NULL/* || Z_TYPE_P(class) != IS_ARRAY*/) {
return NULL;
}
if (class != NULL && Z_TYPE_P(class) == IS_OBJECT && TWIG_INSTANCE_OF(class, zend_ce_arrayaccess TSRMLS_CC)) {
// array access object
zval *tmp_name_zval;
zval *tmp_ret_zval;
ALLOC_INIT_ZVAL(tmp_name_zval);
ZVAL_STRING(tmp_name_zval, prop_name, 1);
tmp_ret_zval = TWIG_GET_ARRAYOB