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add evaluate() method to support all xpath expressions

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This commit is contained in:
Rob Richards
2004-10-03 09:55:29 +00:00
parent d4c7c87afb
commit 5f630e1935
2 changed files with 85 additions and 45 deletions
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ext/dom/dom_fe.h
+1
View File
@@ -259,6 +259,7 @@ PHP_FUNCTION(dom_string_extend_find_offset32);
PHP_METHOD(domxpath, __construct);
PHP_FUNCTION(dom_xpath_register_ns);
PHP_FUNCTION(dom_xpath_query);
PHP_FUNCTION(dom_xpath_evaluate);
#endif
#endif /* DOM_FE_H */
ext/dom/xpath.c
+84 -45
View File
@@ -27,6 +27,8 @@
#if HAVE_LIBXML && HAVE_DOM
#include "php_dom.h"
#define PHP_DOM_XPATH_QUERY 0
#define PHP_DOM_XPATH_EVALUATE 1
/*
* class DOMXPath
@@ -38,6 +40,7 @@ zend_function_entry php_dom_xpath_class_functions[] = {
PHP_ME(domxpath, __construct, NULL, ZEND_ACC_PUBLIC)
PHP_FALIAS(registerNamespace, dom_xpath_register_ns, NULL)
PHP_FALIAS(query, dom_xpath_query, NULL)
PHP_FALIAS(evaluate, dom_xpath_evaluate, NULL)
{NULL, NULL, NULL}
};
@@ -136,14 +139,12 @@ static void dom_xpath_iter(zval *baseobj, dom_object *intern)
}
/* {{{ proto DOMNodeList dom_xpath_query(string expr [,DOMNode context]); */
PHP_FUNCTION(dom_xpath_query)
{
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;
int expr_len, ret, nsnbr = 0, xpath_type;
dom_object *intern, *nodeobj;
char *expr;
xmlDoc *docp = NULL;
@@ -208,54 +209,92 @@ PHP_FUNCTION(dom_xpath_query)
RETURN_FALSE;
}
MAKE_STD_ZVAL(retval);
array_init(retval);
if (xpathobjp->type == XPATH_NODESET) {
int i;
xmlNodeSetPtr nodesetp;
if (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, NULL, child, intern TSRMLS_CC);
add_next_index_zval(retval, child);
}
}
if (type == PHP_DOM_XPATH_QUERY) {
xpath_type = XPATH_NODESET;
} else {
xpath_type = xpathobjp->type;
}
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);
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, NULL, child, 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);
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]); */
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]); */
PHP_FUNCTION(dom_xpath_evaluate)
{
php_xpath_eval(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_DOM_XPATH_EVALUATE);
}
/* }}} end dom_xpath_evaluate */
#endif /* LIBXML_XPATH_ENABLED */
/* }}} */