rrichards               Fri Jan 25 16:13:04 2008 UTC

  Added files:                 (Branch: PHP_5_3)
    /php-src/ext/dom/tests      domxpath.phpt 

  Modified files:              
    /php-src/ext/dom    dom_fe.h php_dom.c php_dom.h xpath.c 
  Log:
  backport functionality to call user functions within XPath
  add test
  
http://cvs.php.net/viewvc.cgi/php-src/ext/dom/dom_fe.h?r1=1.14.2.1.2.4.2.2&r2=1.14.2.1.2.4.2.3&diff_format=u
Index: php-src/ext/dom/dom_fe.h
diff -u php-src/ext/dom/dom_fe.h:1.14.2.1.2.4.2.2 
php-src/ext/dom/dom_fe.h:1.14.2.1.2.4.2.3
--- php-src/ext/dom/dom_fe.h:1.14.2.1.2.4.2.2   Mon Dec 31 07:17:07 2007
+++ php-src/ext/dom/dom_fe.h    Fri Jan 25 16:13:04 2008
@@ -17,7 +17,7 @@
    +----------------------------------------------------------------------+
 */
 
-/* $Id: dom_fe.h,v 1.14.2.1.2.4.2.2 2007/12/31 07:17:07 sebastian Exp $ */
+/* $Id: dom_fe.h,v 1.14.2.1.2.4.2.3 2008/01/25 16:13:04 rrichards Exp $ */
 #ifndef DOM_FE_H
 #define DOM_FE_H
 
@@ -264,6 +264,7 @@
 PHP_FUNCTION(dom_xpath_register_ns);
 PHP_FUNCTION(dom_xpath_query);
 PHP_FUNCTION(dom_xpath_evaluate);
+PHP_FUNCTION(dom_xpath_register_php_functions);
 #endif
 
 #endif /* DOM_FE_H */
http://cvs.php.net/viewvc.cgi/php-src/ext/dom/php_dom.c?r1=1.73.2.12.2.12.2.3&r2=1.73.2.12.2.12.2.4&diff_format=u
Index: php-src/ext/dom/php_dom.c
diff -u php-src/ext/dom/php_dom.c:1.73.2.12.2.12.2.3 
php-src/ext/dom/php_dom.c:1.73.2.12.2.12.2.4
--- php-src/ext/dom/php_dom.c:1.73.2.12.2.12.2.3        Mon Dec 31 07:17:07 2007
+++ php-src/ext/dom/php_dom.c   Fri Jan 25 16:13:04 2008
@@ -18,7 +18,7 @@
    +----------------------------------------------------------------------+
 */
 
-/* $Id: php_dom.c,v 1.73.2.12.2.12.2.3 2007/12/31 07:17:07 sebastian Exp $ */
+/* $Id: php_dom.c,v 1.73.2.12.2.12.2.4 2008/01/25 16:13:04 rrichards Exp $ */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -960,7 +960,7 @@
 /* {{{ dom_xpath_objects_free_storage */
 void dom_xpath_objects_free_storage(void *object TSRMLS_DC)
 {
-       dom_object *intern = (dom_object *)object;
+       dom_xpath_object *intern = (dom_xpath_object *)object;
 
        zend_object_std_dtor(&intern->std TSRMLS_CC);
 
@@ -970,6 +970,14 @@
                intern->ptr = NULL;
        }
 
+       zend_hash_destroy(intern->registered_phpfunctions);
+       FREE_HASHTABLE(intern->registered_phpfunctions);
+       
+       if (intern->node_list) {
+               zend_hash_destroy(intern->node_list);
+               FREE_HASHTABLE(intern->node_list);
+       }
+
        efree(object);
 }
 /* }}} */
@@ -1026,7 +1034,12 @@
        zval *tmp;
        dom_object *intern;
 
-       intern = emalloc(sizeof(dom_object));
+       if (instanceof_function(class_type, dom_xpath_class_entry TSRMLS_CC)) {
+               intern = emalloc(sizeof(dom_xpath_object));
+               memset(intern, 0, sizeof(dom_xpath_object));
+       } else {
+               intern = emalloc(sizeof(dom_object));
+       }
        intern->ptr = NULL;
        intern->prop_handler = NULL;
        intern->document = NULL;
@@ -1097,9 +1110,15 @@
 zend_object_value dom_xpath_objects_new(zend_class_entry *class_type TSRMLS_DC)
 {
        zend_object_value retval;
-       dom_object *intern;
-       
-       intern = dom_objects_set_class(class_type, 1 TSRMLS_CC);
+       dom_xpath_object *intern;
+
+       intern = (dom_xpath_object *)dom_objects_set_class(class_type, 1 
TSRMLS_CC);
+       intern->registerPhpFunctions = 0;
+       intern->registered_phpfunctions = NULL;
+       intern->node_list = NULL;
+
+       ALLOC_HASHTABLE(intern->registered_phpfunctions);
+       zend_hash_init(intern->registered_phpfunctions, 0, NULL, ZVAL_PTR_DTOR, 
0);
 
        retval.handle = zend_objects_store_put(intern, 
(zend_objects_store_dtor_t)zend_objects_destroy_object, 
(zend_objects_free_object_storage_t)dom_xpath_objects_free_storage, 
dom_objects_clone TSRMLS_CC);
        intern->handle = retval.handle;
http://cvs.php.net/viewvc.cgi/php-src/ext/dom/php_dom.h?r1=1.28.2.1.2.4.2.1&r2=1.28.2.1.2.4.2.2&diff_format=u
Index: php-src/ext/dom/php_dom.h
diff -u php-src/ext/dom/php_dom.h:1.28.2.1.2.4.2.1 
php-src/ext/dom/php_dom.h:1.28.2.1.2.4.2.2
--- php-src/ext/dom/php_dom.h:1.28.2.1.2.4.2.1  Mon Dec 31 07:17:07 2007
+++ php-src/ext/dom/php_dom.h   Fri Jan 25 16:13:04 2008
@@ -18,7 +18,7 @@
    +----------------------------------------------------------------------+
 */
 
-/* $Id: php_dom.h,v 1.28.2.1.2.4.2.1 2007/12/31 07:17:07 sebastian Exp $ */
+/* $Id: php_dom.h,v 1.28.2.1.2.4.2.2 2008/01/25 16:13:04 rrichards Exp $ */
 
 #ifndef PHP_DOM_H
 #define PHP_DOM_H
@@ -67,6 +67,17 @@
 /* Define a custom type for iterating using an unused nodetype */
 #define DOM_NODESET XML_XINCLUDE_START
 
+typedef struct _dom_xpath_object {
+       zend_object  std;
+       void *ptr;
+       php_libxml_ref_obj *document;
+       HashTable *prop_handler;
+       zend_object_handle handle;
+       int registerPhpFunctions;
+       HashTable *registered_phpfunctions;
+       HashTable *node_list;
+} dom_xpath_object;
+
 typedef struct _dom_nnodemap_object {
        dom_object *baseobj;
        int nodetype;
http://cvs.php.net/viewvc.cgi/php-src/ext/dom/xpath.c?r1=1.26.2.1.2.1.2.2&r2=1.26.2.1.2.1.2.3&diff_format=u
Index: php-src/ext/dom/xpath.c
diff -u php-src/ext/dom/xpath.c:1.26.2.1.2.1.2.2 
php-src/ext/dom/xpath.c:1.26.2.1.2.1.2.3
--- php-src/ext/dom/xpath.c:1.26.2.1.2.1.2.2    Mon Dec 31 07:17:07 2007
+++ php-src/ext/dom/xpath.c     Fri Jan 25 16:13:04 2008
@@ -17,7 +17,7 @@
    +----------------------------------------------------------------------+
 */
 
-/* $Id: xpath.c,v 1.26.2.1.2.1.2.2 2007/12/31 07:17:07 sebastian Exp $ */
+/* $Id: xpath.c,v 1.26.2.1.2.1.2.3 2008/01/25 16:13:04 rrichards Exp $ */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -41,15 +41,210 @@
        PHP_FALIAS(registerNamespace, dom_xpath_register_ns, NULL)
        PHP_FALIAS(query, dom_xpath_query, NULL)
        PHP_FALIAS(evaluate, dom_xpath_evaluate, NULL)
+       PHP_FALIAS(registerPhpFunctions, dom_xpath_register_php_functions, NULL)
        {NULL, NULL, NULL}
 };
 
-/* {{{ proto void DOMXPath::__construct(DOMDocument doc); */
+
+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, NULL, 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_pp = 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 occured, 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 can not 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, *intern;
+       dom_object *docobj;
+       dom_xpath_object *intern;
        xmlXPathContextPtr ctx, oldctx;
 
        php_set_error_handling(EH_THROW, dom_domexception_class_entry 
TSRMLS_CC);
@@ -67,14 +262,23 @@
                RETURN_FALSE;
        }
 
-       intern = (dom_object *)zend_object_store_get_object(id TSRMLS_CC);
+       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);
        }
@@ -108,14 +312,14 @@
        zval *id;
        xmlXPathContextPtr ctxp;
        int prefix_len, ns_uri_len;
-       dom_object *intern;
+       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_object *)zend_object_store_get_object(id TSRMLS_CC);
+       intern = (dom_xpath_object *)zend_object_store_get_object(id TSRMLS_CC);
 
        ctxp = (xmlXPathContextPtr) intern->ptr;
        if (ctxp == NULL) {
@@ -145,17 +349,17 @@
        xmlNodePtr nodep = NULL;
        xmlXPathObjectPtr xpathobjp;
        int expr_len, ret, nsnbr = 0, xpath_type;
-       dom_object *intern, *nodeobj;
+       dom_xpath_object *intern;
+       dom_object *nodeobj;
        char *expr;
        xmlDoc *docp = NULL;
        xmlNsPtr *ns;
 
-
        if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), 
"Os|O", &id, dom_xpath_class_entry, &expr, &expr_len, &context, 
dom_node_class_entry) == FAILURE) {
                return;
        }
 
-       intern = (dom_object *)zend_object_store_get_object(id TSRMLS_CC);
+       intern = (dom_xpath_object *)zend_object_store_get_object(id TSRMLS_CC);
 
        ctxp = (xmlXPathContextPtr) intern->ptr;
        if (ctxp == NULL) {
@@ -251,13 +455,13 @@
                                                node->parent = nsparent;
                                                node->ns = curns;
                                        }
-                                       child = php_dom_create_object(node, 
&ret, NULL, child, intern TSRMLS_CC);
+                                       child = php_dom_create_object(node, 
&ret, NULL, child, (dom_object *)intern TSRMLS_CC);
                                        add_next_index_zval(retval, child);
                                }
                        }
                        php_dom_create_interator(return_value, DOM_NODELIST 
TSRMLS_CC);
-                       intern = (dom_object 
*)zend_objects_get_address(return_value TSRMLS_CC);
-                       dom_xpath_iter(retval, intern);
+                       nodeobj = (dom_object 
*)zend_objects_get_address(return_value TSRMLS_CC);
+                       dom_xpath_iter(retval, nodeobj);
                        break;
                }
 
@@ -295,6 +499,50 @@
 }
 /* }}} 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 */
 
 /* }}} */

http://cvs.php.net/viewvc.cgi/php-src/ext/dom/tests/domxpath.phpt?view=markup&rev=1.1
Index: php-src/ext/dom/tests/domxpath.phpt
+++ php-src/ext/dom/tests/domxpath.phpt
--TEST--
DOMXPath Tests
--SKIPIF--
<?php require_once('skipif.inc'); ?>
--FILE--
<?php
require_once("dom_test.inc");

$dom = new DOMDocument;
$dom->loadXML(b'<root xmlns="urn::default"><child>myval</child></root>');

$xpath = new DOMXPath($dom);

$xpath->registerNamespace("def", "urn::default");
$nodelist = $xpath->query("//def:child");
if ($node = $nodelist->item(0)) {
        print $node->textContent."\n";
}

$count = $xpath->evaluate("count(//def:child)");

var_dump($count);

$xpathdoc = $xpath->document;

var_dump($xpathdoc instanceof DOMDocument);
?>
--EXPECT--
myval
float(1)
bool(true)

-- 
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