Ejemplo n.º 1
0
static ZEND_NAMED_FUNCTION(zend_closure_call_magic) /* {{{ */ {
	zend_fcall_info fci;
	zend_fcall_info_cache fcc;
	zval params[2];

	memset(&fci, 0, sizeof(zend_fcall_info));
	memset(&fcc, 0, sizeof(zend_fcall_info_cache));

	fci.size = sizeof(zend_fcall_info);
	fci.retval = return_value;

	fcc.function_handler = (zend_function *) EX(func)->common.arg_info;
	fci.params = params;
	fci.param_count = 2;
	ZVAL_STR(&fci.params[0], EX(func)->common.function_name);
	if (ZEND_NUM_ARGS()) {
		array_init_size(&fci.params[1], ZEND_NUM_ARGS());
		zend_copy_parameters_array(ZEND_NUM_ARGS(), &fci.params[1]);
	} else {
		ZVAL_EMPTY_ARRAY(&fci.params[1]);
	}

	fci.object = Z_OBJ(EX(This));
	fcc.object = Z_OBJ(EX(This));

	zend_call_function(&fci, &fcc);

	zval_ptr_dtor(&fci.params[0]);
	zval_ptr_dtor(&fci.params[1]);
}
Ejemplo n.º 2
0
static void php_xpath_eval(INTERNAL_FUNCTION_PARAMETERS, int type) /* {{{ */
{
	zval *id, retval, *context = NULL;
	xmlXPathContextPtr ctxp;
	xmlNodePtr nodep = NULL;
	xmlXPathObjectPtr xpathobjp;
	size_t expr_len, nsnbr = 0, xpath_type;
	dom_xpath_object *intern;
	dom_object *nodeobj;
	char *expr;
	xmlDoc *docp = NULL;
	xmlNsPtr *ns = NULL;
	zend_bool register_node_ns = 1;

	id = ZEND_THIS;
	if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|O!b", &expr, &expr_len, &context, dom_node_class_entry, &register_node_ns) == FAILURE) {
		return;
	}

	intern = Z_XPATHOBJ_P(id);

	ctxp = (xmlXPathContextPtr) intern->dom.ptr;
	if (ctxp == NULL) {
		php_error_docref(NULL, E_WARNING, "Invalid XPath Context");
		RETURN_FALSE;
	}

	docp = (xmlDocPtr) ctxp->doc;
	if (docp == NULL) {
		php_error_docref(NULL, E_WARNING, "Invalid XPath Document Pointer");
		RETURN_FALSE;
	}

	if (context != NULL) {
		DOM_GET_OBJ(nodep, context, xmlNodePtr, nodeobj);
	}

	if (!nodep) {
		nodep = xmlDocGetRootElement(docp);
	}

	if (nodep && docp != nodep->doc) {
		php_error_docref(NULL, E_WARNING, "Node From Wrong Document");
		RETURN_FALSE;
	}

	ctxp->node = nodep;

	if (register_node_ns) {
		/* Register namespaces in the node */
		ns = xmlGetNsList(docp, nodep);

		if (ns != NULL) {
			while (ns[nsnbr] != NULL)
			nsnbr++;
		}
	}


    ctxp->namespaces = ns;
    ctxp->nsNr = nsnbr;

	xpathobjp = xmlXPathEvalExpression((xmlChar *) expr, ctxp);
	ctxp->node = NULL;

	if (ns != NULL) {
		xmlFree(ns);
		ctxp->namespaces = NULL;
		ctxp->nsNr = 0;
	}

	if (! xpathobjp) {
		RETURN_FALSE;
	}

	if (type == PHP_DOM_XPATH_QUERY) {
		xpath_type = XPATH_NODESET;
	} else {
		xpath_type = xpathobjp->type;
	}

	switch (xpath_type) {

		case  XPATH_NODESET:
		{
			int i;
			xmlNodeSetPtr nodesetp;

			if (xpathobjp->type == XPATH_NODESET && NULL != (nodesetp = xpathobjp->nodesetval) && nodesetp->nodeNr) {

				array_init(&retval);
				for (i = 0; i < nodesetp->nodeNr; i++) {
					xmlNodePtr node = nodesetp->nodeTab[i];
					zval child;

					if (node->type == XML_NAMESPACE_DECL) {
						xmlNsPtr curns;
						xmlNodePtr nsparent;

						nsparent = node->_private;
						curns = xmlNewNs(NULL, node->name, NULL);
						if (node->children) {
							curns->prefix = xmlStrdup((xmlChar *) node->children);
						}
						if (node->children) {
							node = xmlNewDocNode(docp, NULL, (xmlChar *) node->children, node->name);
						} else {
							node = xmlNewDocNode(docp, NULL, (xmlChar *) "xmlns", node->name);
						}
						node->type = XML_NAMESPACE_DECL;
						node->parent = nsparent;
						node->ns = curns;
					}
					php_dom_create_object(node, &child, &intern->dom);
					add_next_index_zval(&retval, &child);
				}
			} else {
				ZVAL_EMPTY_ARRAY(&retval);
			}
			php_dom_create_interator(return_value, DOM_NODELIST);
			nodeobj = Z_DOMOBJ_P(return_value);
			dom_xpath_iter(&retval, nodeobj);
			break;
		}

		case XPATH_BOOLEAN:
			RETVAL_BOOL(xpathobjp->boolval);
			break;

		case XPATH_NUMBER:
			RETVAL_DOUBLE(xpathobjp->floatval);
			break;

		case XPATH_STRING:
			RETVAL_STRING((char *) xpathobjp->stringval);
			break;

		default:
			RETVAL_NULL();
			break;
	}

	xmlXPathFreeObject(xpathobjp);
}
Ejemplo n.º 3
0
static void dom_xpath_ext_function_php(xmlXPathParserContextPtr ctxt, int nargs, int type) /* {{{ */
{
	zval retval;
	int result, i;
	int error = 0;
	zend_fcall_info fci;
	xmlXPathObjectPtr obj;
	char *str;
	zend_string *callable = NULL;
	dom_xpath_object *intern;


	if (! zend_is_executing()) {
		xmlGenericError(xmlGenericErrorContext,
		"xmlExtFunctionTest: Function called from outside of PHP\n");
		error = 1;
	} else {
		intern = (dom_xpath_object *) ctxt->context->userData;
		if (intern == NULL) {
			xmlGenericError(xmlGenericErrorContext,
			"xmlExtFunctionTest: failed to get the internal object\n");
			error = 1;
		}
		else if (intern->registerPhpFunctions == 0) {
			xmlGenericError(xmlGenericErrorContext,
			"xmlExtFunctionTest: PHP Object did not register PHP functions\n");
			error = 1;
		}
	}

	if (error == 1) {
		for (i = nargs - 1; i >= 0; i--) {
			obj = valuePop(ctxt);
			xmlXPathFreeObject(obj);
		}
		return;
	}

	fci.param_count = nargs - 1;
	if (fci.param_count > 0) {
		fci.params = safe_emalloc(fci.param_count, sizeof(zval), 0);
	}
	/* Reverse order to pop values off ctxt stack */
	for (i = nargs - 2; i >= 0; i--) {
		obj = valuePop(ctxt);
		switch (obj->type) {
			case XPATH_STRING:
				ZVAL_STRING(&fci.params[i],  (char *)obj->stringval);
				break;
			case XPATH_BOOLEAN:
				ZVAL_BOOL(&fci.params[i],  obj->boolval);
				break;
			case XPATH_NUMBER:
				ZVAL_DOUBLE(&fci.params[i], obj->floatval);
				break;
			case XPATH_NODESET:
				if (type == 1) {
					str = (char *)xmlXPathCastToString(obj);
					ZVAL_STRING(&fci.params[i], str);
					xmlFree(str);
				} else if (type == 2) {
					int j;
					if (obj->nodesetval && obj->nodesetval->nodeNr > 0) {
						array_init(&fci.params[i]);
						for (j = 0; j < obj->nodesetval->nodeNr; j++) {
							xmlNodePtr node = obj->nodesetval->nodeTab[j];
							zval child;
							/* not sure, if we need this... it's copied from xpath.c */
							if (node->type == XML_NAMESPACE_DECL) {
								xmlNsPtr curns;
								xmlNodePtr nsparent;

								nsparent = node->_private;
								curns = xmlNewNs(NULL, node->name, NULL);
								if (node->children) {
									curns->prefix = xmlStrdup((xmlChar *) node->children);
								}
								if (node->children) {
									node = xmlNewDocNode(node->doc, NULL, (xmlChar *) node->children, node->name);
								} else {
									node = xmlNewDocNode(node->doc, NULL, (xmlChar *) "xmlns", node->name);
								}
								node->type = XML_NAMESPACE_DECL;
								node->parent = nsparent;
								node->ns = curns;
							}
							php_dom_create_object(node, &child, &intern->dom);
							add_next_index_zval(&fci.params[i], &child);
						}
					} else {
						ZVAL_EMPTY_ARRAY(&fci.params[i]);
					}
				}
				break;
			default:
			ZVAL_STRING(&fci.params[i], (char *)xmlXPathCastToString(obj));
		}
		xmlXPathFreeObject(obj);
	}

	fci.size = sizeof(fci);

	obj = valuePop(ctxt);
	if (obj->stringval == NULL) {
		php_error_docref(NULL, E_WARNING, "Handler name must be a string");
		xmlXPathFreeObject(obj);
		if (fci.param_count > 0) {
			for (i = 0; i < nargs - 1; i++) {
				zval_ptr_dtor(&fci.params[i]);
			}
			efree(fci.params);
		}
		return;
	}
	ZVAL_STRING(&fci.function_name, (char *) obj->stringval);
	xmlXPathFreeObject(obj);

	fci.object = NULL;
	fci.retval = &retval;
	fci.no_separation = 0;

	if (!zend_make_callable(&fci.function_name, &callable)) {
		php_error_docref(NULL, E_WARNING, "Unable to call handler %s()", ZSTR_VAL(callable));
	} else if (intern->registerPhpFunctions == 2 && zend_hash_exists(intern->registered_phpfunctions, callable) == 0) {
		php_error_docref(NULL, E_WARNING, "Not allowed to call handler '%s()'.", ZSTR_VAL(callable));
		/* Push an empty string, so that we at least have an xslt result... */
		valuePush(ctxt, xmlXPathNewString((xmlChar *)""));
	} else {
		result = zend_call_function(&fci, NULL);
		if (result == SUCCESS && Z_TYPE(retval) != IS_UNDEF) {
			if (Z_TYPE(retval) == IS_OBJECT && instanceof_function(Z_OBJCE(retval), dom_node_class_entry)) {
				xmlNode *nodep;
				dom_object *obj;
				if (intern->node_list == NULL) {
					intern->node_list = zend_new_array(0);
				}
				Z_ADDREF(retval);
				zend_hash_next_index_insert(intern->node_list, &retval);
				obj = Z_DOMOBJ_P(&retval);
				nodep = dom_object_get_node(obj);
				valuePush(ctxt, xmlXPathNewNodeSet(nodep));
			} else if (Z_TYPE(retval) == IS_FALSE || Z_TYPE(retval) == IS_TRUE) {
				valuePush(ctxt, xmlXPathNewBoolean(Z_TYPE(retval) == IS_TRUE));
			} else if (Z_TYPE(retval) == IS_OBJECT) {
				php_error_docref(NULL, E_WARNING, "A PHP Object cannot be converted to a XPath-string");
				valuePush(ctxt, xmlXPathNewString((xmlChar *)""));
			} else {
				zend_string *str = zval_get_string(&retval);
				valuePush(ctxt, xmlXPathNewString((xmlChar *) ZSTR_VAL(str)));
				zend_string_release_ex(str, 0);
			}
			zval_ptr_dtor(&retval);
		}
	}
	zend_string_release_ex(callable, 0);
	zval_ptr_dtor_str(&fci.function_name);
	if (fci.param_count > 0) {
		for (i = 0; i < nargs - 1; i++) {
			zval_ptr_dtor(&fci.params[i]);
		}
		efree(fci.params);
	}
}
Ejemplo n.º 4
0
static void xsl_ext_function_php(xmlXPathParserContextPtr ctxt, int nargs, int type) /* {{{ */
{
	xsltTransformContextPtr tctxt;
	zval *args;
	zval retval;
	int result, i;
	int error = 0;
	zend_fcall_info fci;
	zval handler;
	xmlXPathObjectPtr obj;
	char *str;
	xsl_object *intern;
	zend_string *callable = NULL;


	if (! zend_is_executing()) {
		xsltGenericError(xsltGenericErrorContext,
		"xsltExtFunctionTest: Function called from outside of PHP\n");
		error = 1;
	} else {
		tctxt = xsltXPathGetTransformContext(ctxt);
		if (tctxt == NULL) {
			xsltGenericError(xsltGenericErrorContext,
			"xsltExtFunctionTest: failed to get the transformation context\n");
			error = 1;
		} else {
			intern = (xsl_object*)tctxt->_private;
			if (intern == NULL) {
				xsltGenericError(xsltGenericErrorContext,
				"xsltExtFunctionTest: failed to get the internal object\n");
				error = 1;
			}
			else if (intern->registerPhpFunctions == 0) {
				xsltGenericError(xsltGenericErrorContext,
				"xsltExtFunctionTest: PHP Object did not register PHP functions\n");
				error = 1;
			}
		}
	}

	if (error == 1) {
		for (i = nargs - 1; i >= 0; i--) {
			obj = valuePop(ctxt);
			if (obj) {
				xmlXPathFreeObject(obj);
			}
		}
		return;
	}

	fci.param_count = nargs - 1;
	if (fci.param_count > 0) {
		args = safe_emalloc(fci.param_count, sizeof(zval), 0);
	}
	/* Reverse order to pop values off ctxt stack */
	for (i = nargs - 2; i >= 0; i--) {
		obj = valuePop(ctxt);
		if (obj == NULL) {
			ZVAL_NULL(&args[i]);
			continue;
		}
		switch (obj->type) {
			case XPATH_STRING:
				ZVAL_STRING(&args[i], (char *)obj->stringval);
				break;
			case XPATH_BOOLEAN:
				ZVAL_BOOL(&args[i],  obj->boolval);
				break;
			case XPATH_NUMBER:
				ZVAL_DOUBLE(&args[i], obj->floatval);
				break;
			case XPATH_NODESET:
				if (type == 1) {
					str = (char*)xmlXPathCastToString(obj);
					ZVAL_STRING(&args[i], str);
					xmlFree(str);
				} else if (type == 2) {
					int j;
					dom_object *domintern = (dom_object *)intern->doc;
					if (obj->nodesetval && obj->nodesetval->nodeNr > 0) {
						array_init(&args[i]);
						for (j = 0; j < obj->nodesetval->nodeNr; j++) {
							xmlNodePtr node = obj->nodesetval->nodeTab[j];
							zval child;
							/* not sure, if we need this... it's copied from xpath.c */
							if (node->type == XML_NAMESPACE_DECL) {
								xmlNsPtr curns;
								xmlNodePtr nsparent;

								nsparent = node->_private;
								curns = xmlNewNs(NULL, node->name, NULL);
								if (node->children) {
									curns->prefix = xmlStrdup((xmlChar *)node->children);
								}
								if (node->children) {
									node = xmlNewDocNode(node->doc, NULL, (xmlChar *) node->children, node->name);
								} else {
									node = xmlNewDocNode(node->doc, NULL, (const xmlChar *) "xmlns", node->name);
								}
								node->type = XML_NAMESPACE_DECL;
								node->parent = nsparent;
								node->ns = curns;
							} else {
								node = xmlDocCopyNodeList(domintern->document->ptr, node);
							}

							php_dom_create_object(node, &child, domintern);
							add_next_index_zval(&args[i], &child);
						}
					} else {
						ZVAL_EMPTY_ARRAY(&args[i]);
					}
				}
				break;
			default:
				str = (char *) xmlXPathCastToString(obj);
				ZVAL_STRING(&args[i], str);
				xmlFree(str);
		}
		xmlXPathFreeObject(obj);
	}

	fci.size = sizeof(fci);
	if (fci.param_count > 0) {
		fci.params = args;
	} else {
		fci.params = NULL;
	}


	obj = valuePop(ctxt);
	if (obj == NULL || obj->stringval == NULL) {
		php_error_docref(NULL, E_WARNING, "Handler name must be a string");
		xmlXPathFreeObject(obj);
		valuePush(ctxt, xmlXPathNewString((const xmlChar *) ""));
		if (fci.param_count > 0) {
			for (i = 0; i < nargs - 1; i++) {
				zval_ptr_dtor(&args[i]);
			}
			efree(args);
		}
		return;
	}
	ZVAL_STRING(&handler, (char *) obj->stringval);
	xmlXPathFreeObject(obj);

	ZVAL_COPY_VALUE(&fci.function_name, &handler);
	fci.object = NULL;
	fci.retval = &retval;
	fci.no_separation = 0;
	/*fci.function_handler_cache = &function_ptr;*/
	if (!zend_make_callable(&handler, &callable)) {
		php_error_docref(NULL, E_WARNING, "Unable to call handler %s()", ZSTR_VAL(callable));
		valuePush(ctxt, xmlXPathNewString((const xmlChar *) ""));
	} else if ( intern->registerPhpFunctions == 2 && zend_hash_exists(intern->registered_phpfunctions, callable) == 0) {
		php_error_docref(NULL, E_WARNING, "Not allowed to call handler '%s()'", ZSTR_VAL(callable));
		/* Push an empty string, so that we at least have an xslt result... */
		valuePush(ctxt, xmlXPathNewString((const xmlChar *) ""));
	} else {
		result = zend_call_function(&fci, NULL);
		if (result == FAILURE) {
			if (Z_TYPE(handler) == IS_STRING) {
				php_error_docref(NULL, E_WARNING, "Unable to call handler %s()", Z_STRVAL(handler));
				valuePush(ctxt, xmlXPathNewString((const xmlChar *) ""));
			}
		/* retval is == NULL, when an exception occurred, don't report anything, because PHP itself will handle that */
		} else if (Z_ISUNDEF(retval)) {
		} else {
			if (Z_TYPE(retval) == IS_OBJECT && instanceof_function(Z_OBJCE(retval), dom_node_class_entry)) {
				xmlNode *nodep;
				dom_object *obj;
				if (intern->node_list == NULL) {
					intern->node_list = zend_new_array(0);
				}
				Z_ADDREF(retval);
				zend_hash_next_index_insert(intern->node_list, &retval);
				obj = Z_DOMOBJ_P(&retval);
				nodep = dom_object_get_node(obj);
				valuePush(ctxt, xmlXPathNewNodeSet(nodep));
			} else if (Z_TYPE(retval) == IS_TRUE || Z_TYPE(retval) == IS_FALSE) {
				valuePush(ctxt, xmlXPathNewBoolean(Z_TYPE(retval) == IS_TRUE));
			} else if (Z_TYPE(retval) == IS_OBJECT) {
				php_error_docref(NULL, E_WARNING, "A PHP Object cannot be converted to a XPath-string");
				valuePush(ctxt, xmlXPathNewString((const xmlChar *) ""));
			} else {
				convert_to_string_ex(&retval);
				valuePush(ctxt, xmlXPathNewString((xmlChar *) Z_STRVAL(retval)));
			}
			zval_ptr_dtor(&retval);
		}
	}
	zend_string_release(callable);
	zval_ptr_dtor(&handler);
	if (fci.param_count > 0) {
		for (i = 0; i < nargs - 1; i++) {
			zval_ptr_dtor(&args[i]);
		}
		efree(args);
	}
}