Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master

1 files changed, 602 insertions, 0 deletions

diff --git a/ext/dom/xpath.c b/ext/dom/xpath.c
new file mode 100644
index 0000000..cf556a3
--- /dev/null
+++ b/ext/dom/xpath.c
@@ -0,0 +1,602 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP Version 5                                                        |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997-2013 The PHP Group                                |
+   +----------------------------------------------------------------------+
+   | This source file is subject to version 3.01 of the PHP license,      |
+   | that is bundled with this package in the file LICENSE, and is        |
+   | available through the world-wide-web at the following url:           |
+   | http://www.php.net/license/3_01.txt                                  |
+   | If you did not receive a copy of the PHP license and are unable to   |
+   | obtain it through the world-wide-web, please send a note to          |
+   | license@php.net so we can mail you a copy immediately.               |
+   +----------------------------------------------------------------------+
+   | Authors: Christian Stocker <chregu@php.net>                          |
+   |          Rob Richards <rrichards@php.net>                            |
+   +----------------------------------------------------------------------+
+*/
+
+/* $Id$ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "php.h"
+#if HAVE_LIBXML && HAVE_DOM
+#include "php_dom.h"
+
+#define PHP_DOM_XPATH_QUERY 0
+#define PHP_DOM_XPATH_EVALUATE 1
+
+/*
+* class DOMXPath 
+*/
+
+#if defined(LIBXML_XPATH_ENABLED)
+
+/* {{{ arginfo */
+ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_xpath_construct, 0, 0, 1)
+	ZEND_ARG_OBJ_INFO(0, doc, DOMDocument, 0)
+ZEND_END_ARG_INFO();
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_xpath_register_ns, 0, 0, 2)
+	ZEND_ARG_INFO(0, prefix)
+	ZEND_ARG_INFO(0, uri)
+ZEND_END_ARG_INFO();
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_xpath_query, 0, 0, 1)
+	ZEND_ARG_INFO(0, expr)
+	ZEND_ARG_OBJ_INFO(0, context, DOMNode, 1)
+	ZEND_ARG_INFO(0, registerNodeNS)
+ZEND_END_ARG_INFO();
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_xpath_evaluate, 0, 0, 1)
+	ZEND_ARG_INFO(0, expr)
+	ZEND_ARG_OBJ_INFO(0, context, DOMNode, 1)
+	ZEND_ARG_INFO(0, registerNodeNS)
+ZEND_END_ARG_INFO();
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_xpath_register_php_functions, 0, 0, 0)
+ZEND_END_ARG_INFO();
+/* }}} */
+
+const zend_function_entry php_dom_xpath_class_functions[] = {
+	PHP_ME(domxpath, __construct, arginfo_dom_xpath_construct, ZEND_ACC_PUBLIC)
+	PHP_FALIAS(registerNamespace, dom_xpath_register_ns, arginfo_dom_xpath_register_ns)
+	PHP_FALIAS(query, dom_xpath_query, arginfo_dom_xpath_query)
+	PHP_FALIAS(evaluate, dom_xpath_evaluate, arginfo_dom_xpath_evaluate)
+	PHP_FALIAS(registerPhpFunctions, dom_xpath_register_php_functions, arginfo_dom_xpath_register_php_functions)
+	PHP_FE_END
+};
+
+
+static void dom_xpath_ext_function_php(xmlXPathParserContextPtr ctxt, int nargs, int type) /* {{{ */
+{
+	zval **args;
+	zval *retval;
+	int result, i, ret;
+	int error = 0;
+	zend_fcall_info fci;
+	zval handler;
+	xmlXPathObjectPtr obj;
+	char *str;
+	char *callable = NULL;
+	dom_xpath_object *intern;
+	
+	TSRMLS_FETCH();
+
+	if (! zend_is_executing(TSRMLS_C)) {
+		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);
+		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);
+		MAKE_STD_ZVAL(args[i]);
+		switch (obj->type) {
+			case XPATH_STRING:
+				ZVAL_STRING(args[i],  (char *)obj->stringval, 1);
+				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, 1);
+					xmlFree(str);
+				} else if (type == 2) {
+					int j;
+					array_init(args[i]);
+					if (obj->nodesetval && obj->nodesetval->nodeNr > 0) {
+						for (j = 0; j < obj->nodesetval->nodeNr; j++) {
+							xmlNodePtr node = obj->nodesetval->nodeTab[j];
+							zval *child;
+							MAKE_STD_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;
+							}
+							child = php_dom_create_object(node, &ret, child, (dom_object *)intern TSRMLS_CC);
+							add_next_index_zval(args[i], child);
+						}
+					}
+				}
+				break;
+			default:
+			ZVAL_STRING(args[i], (char *)xmlXPathCastToString(obj), 1);
+		}
+		xmlXPathFreeObject(obj);
+		fci.params[i] = &args[i];
+	}
+	
+	fci.size = sizeof(fci);
+	fci.function_table = EG(function_table);
+	
+	obj = valuePop(ctxt);
+	if (obj->stringval == NULL) {
+		php_error_docref(NULL TSRMLS_CC, 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(&args[i]);
+			}
+			efree(args);
+			efree(fci.params);
+		}
+		return; 
+	}
+	INIT_PZVAL(&handler);
+	ZVAL_STRING(&handler, obj->stringval, 1);
+	xmlXPathFreeObject(obj);
+
+	fci.function_name = &handler;
+	fci.symbol_table = NULL;
+	fci.object_ptr = NULL;
+	fci.retval_ptr_ptr = &retval;
+	fci.no_separation = 0;
+
+	if (!zend_make_callable(&handler, &callable TSRMLS_CC)) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to call handler %s()", callable);
+		
+	} else if ( intern->registerPhpFunctions == 2 && zend_hash_exists(intern->registered_phpfunctions, callable, strlen(callable) + 1) == 0) { 
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Not allowed to call handler '%s()'.", 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 TSRMLS_CC);
+		if (result == FAILURE) {
+			if (Z_TYPE(handler) == IS_STRING) {
+				php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to call handler %s()", Z_STRVAL_P(&handler));
+			}
+		/* retval is == NULL, when an exception occurred, don't report anything, because PHP itself will handle that */
+		} else if (retval == NULL) {
+		} else {
+			if (retval->type == IS_OBJECT && instanceof_function( Z_OBJCE_P(retval), dom_node_class_entry TSRMLS_CC)) {
+				xmlNode *nodep;
+				dom_object *obj;
+				if (intern->node_list == NULL) {
+					ALLOC_HASHTABLE(intern->node_list);
+					zend_hash_init(intern->node_list, 0, NULL, ZVAL_PTR_DTOR, 0);
+				}
+				zval_add_ref(&retval);
+				zend_hash_next_index_insert(intern->node_list, &retval, sizeof(zval *), NULL);
+				obj = (dom_object *)zend_object_store_get_object(retval TSRMLS_CC);
+				nodep = dom_object_get_node(obj);
+				valuePush(ctxt, xmlXPathNewNodeSet(nodep));
+			} else if (retval->type == IS_BOOL) {
+				valuePush(ctxt, xmlXPathNewBoolean(retval->value.lval));
+			} else if (retval->type == IS_OBJECT) {
+				php_error_docref(NULL TSRMLS_CC, E_WARNING, "A PHP Object cannot be converted to a XPath-string");
+				valuePush(ctxt, xmlXPathNewString((xmlChar *)""));
+			} else {
+				convert_to_string_ex(&retval);
+				valuePush(ctxt, xmlXPathNewString( Z_STRVAL_P(retval)));
+			}
+			zval_ptr_dtor(&retval);
+		}
+	}
+	efree(callable);
+	zval_dtor(&handler);
+	if (fci.param_count > 0) {
+		for (i = 0; i < nargs - 1; i++) {
+			zval_ptr_dtor(&args[i]);
+		}
+		efree(args);
+		efree(fci.params);
+	}
+}
+/* }}} */
+
+static void dom_xpath_ext_function_string_php(xmlXPathParserContextPtr ctxt, int nargs) /* {{{ */
+{
+	dom_xpath_ext_function_php(ctxt, nargs, 1);
+}
+/* }}} */
+
+static void dom_xpath_ext_function_object_php(xmlXPathParserContextPtr ctxt, int nargs) /* {{{ */
+{
+	dom_xpath_ext_function_php(ctxt, nargs, 2);
+}
+/* }}} */
+
+/* {{{ proto void DOMXPath::__construct(DOMDocument doc) U */
+PHP_METHOD(domxpath, __construct)
+{
+	zval *id, *doc;
+	xmlDocPtr docp = NULL;
+	dom_object *docobj;
+	dom_xpath_object *intern;
+	xmlXPathContextPtr ctx, oldctx;
+	zend_error_handling error_handling;
+
+	zend_replace_error_handling(EH_THROW, dom_domexception_class_entry, &error_handling TSRMLS_CC);
+	if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "OO", &id, dom_xpath_class_entry, &doc, dom_document_class_entry) == FAILURE) {
+		zend_restore_error_handling(&error_handling TSRMLS_CC);
+		return;
+	}
+
+	zend_restore_error_handling(&error_handling TSRMLS_CC);
+	DOM_GET_OBJ(docp, doc, xmlDocPtr, docobj);
+
+	ctx = xmlXPathNewContext(docp);
+	if (ctx == NULL) {
+		php_dom_throw_error(INVALID_STATE_ERR, 1 TSRMLS_CC);
+		RETURN_FALSE;
+	}
+
+	intern = (dom_xpath_object *)zend_object_store_get_object(id TSRMLS_CC);
+	if (intern != NULL) {
+		oldctx = (xmlXPathContextPtr)intern->ptr;
+		if (oldctx != NULL) {
+			php_libxml_decrement_doc_ref((php_libxml_node_object *)intern TSRMLS_CC);
+			xmlXPathFreeContext(oldctx);
+		}
+
+		xmlXPathRegisterFuncNS (ctx, (const xmlChar *) "functionString",
+					   (const xmlChar *) "http://php.net/xpath",
+					   dom_xpath_ext_function_string_php);
+		xmlXPathRegisterFuncNS (ctx, (const xmlChar *) "function",
+					   (const xmlChar *) "http://php.net/xpath",
+					   dom_xpath_ext_function_object_php);
+
+		intern->ptr = ctx;
+		ctx->userData = (void *)intern;
+		intern->document = docobj->document;
+		php_libxml_increment_doc_ref((php_libxml_node_object *)intern, docp TSRMLS_CC);
+	}
+}
+/* }}} end DOMXPath::__construct */
+
+/* {{{ document DOMDocument*/
+int dom_xpath_document_read(dom_object *obj, zval **retval TSRMLS_DC)
+{
+	xmlDoc *docp = NULL;
+	xmlXPathContextPtr ctx;
+	int ret;
+	zval *tmp;
+
+	ctx = (xmlXPathContextPtr) obj->ptr;
+
+	if (ctx) {
+		docp = (xmlDocPtr) ctx->doc;
+	}
+
+	ALLOC_ZVAL(*retval);
+	tmp = *retval;
+
+	if (NULL == (*retval = php_dom_create_object((xmlNodePtr) docp, &ret, *retval, obj TSRMLS_CC))) {
+		FREE_ZVAL(tmp);
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot create required DOM object");
+		return FAILURE;
+	}
+	if (tmp != *retval) {
+		FREE_ZVAL(tmp);
+	}
+	return SUCCESS;
+}
+/* }}} */
+
+/* {{{ proto boolean dom_xpath_register_ns(string prefix, string uri); */
+PHP_FUNCTION(dom_xpath_register_ns)
+{
+	zval *id;
+	xmlXPathContextPtr ctxp;
+	int prefix_len, ns_uri_len;
+	dom_xpath_object *intern;
+	unsigned char *prefix, *ns_uri;
+
+	if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Oss", &id, dom_xpath_class_entry, &prefix, &prefix_len, &ns_uri, &ns_uri_len) == FAILURE) {
+		return;
+	}
+
+	intern = (dom_xpath_object *)zend_object_store_get_object(id TSRMLS_CC);
+
+	ctxp = (xmlXPathContextPtr) intern->ptr;
+	if (ctxp == NULL) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid XPath Context");
+		RETURN_FALSE;
+	}
+
+	if (xmlXPathRegisterNs(ctxp, prefix, ns_uri) != 0) {
+		RETURN_FALSE
+	}
+	RETURN_TRUE;
+}
+/* }}} */
+
+static void dom_xpath_iter(zval *baseobj, dom_object *intern) /* {{{ */
+{
+	dom_nnodemap_object *mapptr;
+
+	mapptr = (dom_nnodemap_object *)intern->ptr;
+	mapptr->baseobjptr = baseobj;
+	mapptr->nodetype = DOM_NODESET;
+
+}
+/* }}} */
+
+static void php_xpath_eval(INTERNAL_FUNCTION_PARAMETERS, int type) /* {{{ */
+{
+	zval *id, *retval, *context = NULL;
+	xmlXPathContextPtr ctxp;
+	xmlNodePtr nodep = NULL;
+	xmlXPathObjectPtr xpathobjp;
+	int expr_len, ret, 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;
+
+	if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Os|O!b", &id, dom_xpath_class_entry, &expr, &expr_len, &context, dom_node_class_entry, &register_node_ns) == FAILURE) {
+		return;
+	}
+
+	intern = (dom_xpath_object *)zend_object_store_get_object(id TSRMLS_CC);
+
+	ctxp = (xmlXPathContextPtr) intern->ptr;
+	if (ctxp == NULL) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid XPath Context");
+		RETURN_FALSE;
+	}
+
+	docp = (xmlDocPtr) ctxp->doc;
+	if (docp == NULL) {
+		php_error_docref(NULL TSRMLS_CC, 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 TSRMLS_CC, 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(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;
+
+			MAKE_STD_ZVAL(retval);
+			array_init(retval);
+
+			if (xpathobjp->type == XPATH_NODESET && NULL != (nodesetp = xpathobjp->nodesetval)) {
+
+				for (i = 0; i < nodesetp->nodeNr; i++) {
+					xmlNodePtr node = nodesetp->nodeTab[i];
+					zval *child;
+
+					MAKE_STD_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((char *) node->children);
+						}
+						if (node->children) {
+							node = xmlNewDocNode(docp, NULL, (char *) node->children, node->name);
+						} else {
+							node = xmlNewDocNode(docp, NULL, "xmlns", node->name);
+						}
+						node->type = XML_NAMESPACE_DECL;
+						node->parent = nsparent;
+						node->ns = curns;
+					}
+					child = php_dom_create_object(node, &ret, child, (dom_object *)intern TSRMLS_CC);
+					add_next_index_zval(retval, child);
+				}
+			}
+			php_dom_create_interator(return_value, DOM_NODELIST TSRMLS_CC);
+			nodeobj = (dom_object *)zend_objects_get_address(return_value TSRMLS_CC);
+			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(xpathobjp->stringval, 1);
+			break;
+
+		default:
+			RETVAL_NULL();
+			break;
+	}
+
+	xmlXPathFreeObject(xpathobjp);
+}
+/* }}} */
+
+/* {{{ proto DOMNodeList dom_xpath_query(string expr [,DOMNode context [, boolean registerNodeNS]]); */
+PHP_FUNCTION(dom_xpath_query)
+{
+	php_xpath_eval(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_DOM_XPATH_QUERY);
+}
+/* }}} end dom_xpath_query */
+
+/* {{{ proto mixed dom_xpath_evaluate(string expr [,DOMNode context [, boolean registerNodeNS]]); */
+PHP_FUNCTION(dom_xpath_evaluate)
+{
+	php_xpath_eval(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_DOM_XPATH_EVALUATE);
+}
+/* }}} end dom_xpath_evaluate */
+
+/* {{{ proto void dom_xpath_register_php_functions() */
+PHP_FUNCTION(dom_xpath_register_php_functions)
+{
+	zval *id;
+	dom_xpath_object *intern;
+	zval *array_value, **entry, *new_string;
+	int  name_len = 0;
+	char *name;
+
+	DOM_GET_THIS(id);
+	
+	if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "a",  &array_value) == SUCCESS) {
+		intern = (dom_xpath_object *)zend_object_store_get_object(id TSRMLS_CC);
+		zend_hash_internal_pointer_reset(Z_ARRVAL_P(array_value));
+
+		while (zend_hash_get_current_data(Z_ARRVAL_P(array_value), (void **)&entry) == SUCCESS) {
+			SEPARATE_ZVAL(entry);
+			convert_to_string_ex(entry);
+
+			MAKE_STD_ZVAL(new_string);
+			ZVAL_LONG(new_string,1);
+		
+			zend_hash_update(intern->registered_phpfunctions, Z_STRVAL_PP(entry), Z_STRLEN_PP(entry) + 1, &new_string, sizeof(zval*), NULL);
+			zend_hash_move_forward(Z_ARRVAL_P(array_value));
+		}
+		intern->registerPhpFunctions = 2;
+		RETURN_TRUE;
+
+	} else if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "s",  &name, &name_len) == SUCCESS) {
+		intern = (dom_xpath_object *)zend_object_store_get_object(id TSRMLS_CC);
+		
+		MAKE_STD_ZVAL(new_string);
+		ZVAL_LONG(new_string,1);
+		zend_hash_update(intern->registered_phpfunctions, name, name_len + 1, &new_string, sizeof(zval*), NULL);
+		intern->registerPhpFunctions = 2;
+		
+	} else {
+		intern = (dom_xpath_object *)zend_object_store_get_object(id TSRMLS_CC);
+		intern->registerPhpFunctions = 1;
+	}
+	
+}
+/* }}} end dom_xpath_register_php_functions */
+
+#endif /* LIBXML_XPATH_ENABLED */
+
+#endif
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: noet sw=4 ts=4 fdm=marker
+ * vim<600: noet sw=4 ts=4
+ */