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Factor out reading an attribute value

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Niels Dossche 2024-04-10 17:22:04 +02:00
parent 4829b8f2cb
commit 5c69b2e86f
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GPG key ID: B8A8AD166DF0E2E5
3 changed files with 38 additions and 17 deletions
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30
ext/dom/attr.c
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@ -199,4 +199,34 @@ PHP_METHOD(DOMAttr, isId)
}
/* }}} end dom_attr_is_id */
xmlChar *dom_attr_value(const xmlAttr *attr, bool *free)
{
/* For attributes we can have an optimized fast-path.
* This fast-path is only possible in the (common) case where the attribute
* has a single text child. Note that if the child or the content is NULL, this
* is equivalent to not having content (i.e. the attribute has the empty string as value). */
*free = false;
if (attr->children == NULL) {
return BAD_CAST "";
}
if (attr->children->type == XML_TEXT_NODE && attr->children->next == NULL) {
if (attr->children->content == NULL) {
return BAD_CAST "";
} else {
return attr->children->content;
}
}
xmlChar *value = xmlNodeGetContent((const xmlNode *) attr);
if (UNEXPECTED(value == NULL)) {
return BAD_CAST "";
}
*free = true;
return value;
}
#endif

23
ext/dom/php_dom.c
View file

@ -2273,24 +2273,13 @@ void php_dom_get_content_into_zval(const xmlNode *nodep, zval *return_value, boo
}
case XML_ATTRIBUTE_NODE: {
/* For attributes we can also have an optimized fast-path.
* This fast-path is only possible in the (common) case where the attribute
* has a single text child. Note that if the child or the content is NULL, this
* is equivalent to not having content (i.e. the attribute has the empty string as value). */
if (nodep->children == NULL) {
RETURN_EMPTY_STRING();
bool free;
xmlChar *value = dom_attr_value((const xmlAttr *) nodep, &free);
RETURN_STRING_FAST((const char *) value);
if (free) {
xmlFree(value);
}
if (nodep->children->type == XML_TEXT_NODE && nodep->children->next == NULL) {
if (nodep->children->content == NULL) {
RETURN_EMPTY_STRING();
} else {
RETURN_STRING((const char *) nodep->children->content);
}
}
ZEND_FALLTHROUGH;
return;
}
default: {

2
ext/dom/php_dom.h
View file

@ -174,6 +174,8 @@ void dom_document_convert_to_modern(php_libxml_ref_obj *document, xmlDocPtr lxml
dom_object *php_dom_instantiate_object_helper(zval *return_value, zend_class_entry *ce, xmlNodePtr obj, dom_object *parent);
xmlDocPtr php_dom_create_html_doc(void);
xmlChar *dom_attr_value(const xmlAttr *attr, bool *free);
typedef enum {
DOM_LOAD_STRING = 0,
DOM_LOAD_FILE = 1,