| 1 | /* |
| 2 | * This file is part of the WebKit open source project. |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Library General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This library is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Library General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Library General Public License |
| 15 | * along with this library; see the file COPYING.LIB. If not, write to |
| 16 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 17 | * Boston, MA 02110-1301, USA. |
| 18 | */ |
| 19 | |
| 20 | #include "config.h" |
| 21 | #include "WebKitDOMXPathExpression.h" |
| 22 | |
| 23 | #include <WebCore/CSSImportRule.h> |
| 24 | #include "DOMObjectCache.h" |
| 25 | #include <WebCore/DOMException.h> |
| 26 | #include <WebCore/Document.h> |
| 27 | #include <WebCore/JSExecState.h> |
| 28 | #include "WebKitDOMNodePrivate.h" |
| 29 | #include "WebKitDOMPrivate.h" |
| 30 | #include "WebKitDOMXPathExpressionPrivate.h" |
| 31 | #include "WebKitDOMXPathResultPrivate.h" |
| 32 | #include "ConvertToUTF8String.h" |
| 33 | #include <wtf/GetPtr.h> |
| 34 | #include <wtf/RefPtr.h> |
| 35 | |
| 36 | #define WEBKIT_DOM_XPATH_EXPRESSION_GET_PRIVATE(obj) G_TYPE_INSTANCE_GET_PRIVATE(obj, WEBKIT_DOM_TYPE_XPATH_EXPRESSION, WebKitDOMXPathExpressionPrivate) |
| 37 | |
| 38 | typedef struct _WebKitDOMXPathExpressionPrivate { |
| 39 | RefPtr<WebCore::XPathExpression> coreObject; |
| 40 | } WebKitDOMXPathExpressionPrivate; |
| 41 | |
| 42 | G_GNUC_BEGIN_IGNORE_DEPRECATIONS; |
| 43 | |
| 44 | namespace WebKit { |
| 45 | |
| 46 | WebKitDOMXPathExpression* kit(WebCore::XPathExpression* obj) |
| 47 | { |
| 48 | if (!obj) |
| 49 | return 0; |
| 50 | |
| 51 | if (gpointer ret = DOMObjectCache::get(obj)) |
| 52 | return WEBKIT_DOM_XPATH_EXPRESSION(ret); |
| 53 | |
| 54 | return wrapXPathExpression(obj); |
| 55 | } |
| 56 | |
| 57 | WebCore::XPathExpression* core(WebKitDOMXPathExpression* request) |
| 58 | { |
| 59 | return request ? static_cast<WebCore::XPathExpression*>(WEBKIT_DOM_OBJECT(request)->coreObject) : 0; |
| 60 | } |
| 61 | |
| 62 | WebKitDOMXPathExpression* wrapXPathExpression(WebCore::XPathExpression* coreObject) |
| 63 | { |
| 64 | ASSERT(coreObject); |
| 65 | return WEBKIT_DOM_XPATH_EXPRESSION(g_object_new(WEBKIT_DOM_TYPE_XPATH_EXPRESSION, "core-object" , coreObject, nullptr)); |
| 66 | } |
| 67 | |
| 68 | } // namespace WebKit |
| 69 | |
| 70 | G_DEFINE_TYPE(WebKitDOMXPathExpression, webkit_dom_xpath_expression, WEBKIT_DOM_TYPE_OBJECT) |
| 71 | |
| 72 | static void webkit_dom_xpath_expression_finalize(GObject* object) |
| 73 | { |
| 74 | WebKitDOMXPathExpressionPrivate* priv = WEBKIT_DOM_XPATH_EXPRESSION_GET_PRIVATE(object); |
| 75 | |
| 76 | WebKit::DOMObjectCache::forget(priv->coreObject.get()); |
| 77 | |
| 78 | priv->~WebKitDOMXPathExpressionPrivate(); |
| 79 | G_OBJECT_CLASS(webkit_dom_xpath_expression_parent_class)->finalize(object); |
| 80 | } |
| 81 | |
| 82 | static GObject* webkit_dom_xpath_expression_constructor(GType type, guint constructPropertiesCount, GObjectConstructParam* constructProperties) |
| 83 | { |
| 84 | GObject* object = G_OBJECT_CLASS(webkit_dom_xpath_expression_parent_class)->constructor(type, constructPropertiesCount, constructProperties); |
| 85 | |
| 86 | WebKitDOMXPathExpressionPrivate* priv = WEBKIT_DOM_XPATH_EXPRESSION_GET_PRIVATE(object); |
| 87 | priv->coreObject = static_cast<WebCore::XPathExpression*>(WEBKIT_DOM_OBJECT(object)->coreObject); |
| 88 | WebKit::DOMObjectCache::put(priv->coreObject.get(), object); |
| 89 | |
| 90 | return object; |
| 91 | } |
| 92 | |
| 93 | static void webkit_dom_xpath_expression_class_init(WebKitDOMXPathExpressionClass* requestClass) |
| 94 | { |
| 95 | GObjectClass* gobjectClass = G_OBJECT_CLASS(requestClass); |
| 96 | g_type_class_add_private(gobjectClass, sizeof(WebKitDOMXPathExpressionPrivate)); |
| 97 | gobjectClass->constructor = webkit_dom_xpath_expression_constructor; |
| 98 | gobjectClass->finalize = webkit_dom_xpath_expression_finalize; |
| 99 | } |
| 100 | |
| 101 | static void webkit_dom_xpath_expression_init(WebKitDOMXPathExpression* request) |
| 102 | { |
| 103 | WebKitDOMXPathExpressionPrivate* priv = WEBKIT_DOM_XPATH_EXPRESSION_GET_PRIVATE(request); |
| 104 | new (priv) WebKitDOMXPathExpressionPrivate(); |
| 105 | } |
| 106 | |
| 107 | WebKitDOMXPathResult* webkit_dom_xpath_expression_evaluate(WebKitDOMXPathExpression* self, WebKitDOMNode* contextNode, gushort type, WebKitDOMXPathResult* inResult, GError** error) |
| 108 | { |
| 109 | WebCore::JSMainThreadNullState state; |
| 110 | g_return_val_if_fail(WEBKIT_DOM_IS_XPATH_EXPRESSION(self), 0); |
| 111 | g_return_val_if_fail(WEBKIT_DOM_IS_NODE(contextNode), 0); |
| 112 | g_return_val_if_fail(WEBKIT_DOM_IS_XPATH_RESULT(inResult), 0); |
| 113 | g_return_val_if_fail(!error || !*error, 0); |
| 114 | WebCore::XPathExpression* item = WebKit::core(self); |
| 115 | WebCore::Node* convertedContextNode = WebKit::core(contextNode); |
| 116 | WebCore::XPathResult* convertedInResult = WebKit::core(inResult); |
| 117 | auto result = item->evaluate(convertedContextNode, type, convertedInResult); |
| 118 | if (result.hasException()) { |
| 119 | auto description = WebCore::DOMException::description(result.releaseException().code()); |
| 120 | g_set_error_literal(error, g_quark_from_string("WEBKIT_DOM" ), description.legacyCode, description.name); |
| 121 | return nullptr; |
| 122 | } |
| 123 | return WebKit::kit(result.releaseReturnValue().ptr()); |
| 124 | } |
| 125 | |
| 126 | G_GNUC_END_IGNORE_DEPRECATIONS; |
| 127 | |