1 /*
   2  * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #undef IMPL
  27 
  28 #include "config.h"
  29 
  30 #include <WebCore/Node.h>
  31 #include <WebCore/NodeFilter.h>
  32 #include <WebCore/NodeIterator.h>
  33 #include <WebCore/JSMainThreadExecState.h>
  34 
  35 #include <wtf/RefPtr.h>
  36 #include <wtf/GetPtr.h>
  37 
  38 #include "JavaDOMUtils.h"
  39 #include <wtf/java/JavaEnv.h>
  40 
  41 using namespace WebCore;
  42 
  43 extern "C" {
  44 
  45 #define IMPL (static_cast<NodeIterator*>(jlong_to_ptr(peer)))
  46 
  47 JNIEXPORT void JNICALL Java_com_sun_webkit_dom_NodeIteratorImpl_dispose(JNIEnv*, jclass, jlong peer) {
  48     IMPL->deref();
  49 }
  50 
  51 
  52 // Attributes
  53 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_NodeIteratorImpl_getRootImpl(JNIEnv* env, jclass, jlong peer)
  54 {
  55     WebCore::JSMainThreadNullState state;
  56     return JavaReturn<Node>(env, WTF::getPtr(IMPL->root()));
  57 }
  58 
  59 JNIEXPORT jint JNICALL Java_com_sun_webkit_dom_NodeIteratorImpl_getWhatToShowImpl(JNIEnv*, jclass, jlong peer)
  60 {
  61     WebCore::JSMainThreadNullState state;
  62     return IMPL->whatToShow();
  63 }
  64 
  65 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_NodeIteratorImpl_getFilterImpl(JNIEnv* env, jclass, jlong peer)
  66 {
  67     WebCore::JSMainThreadNullState state;
  68     return JavaReturn<NodeFilter>(env, WTF::getPtr(IMPL->filter()));
  69 }
  70 
  71 JNIEXPORT jboolean JNICALL Java_com_sun_webkit_dom_NodeIteratorImpl_getExpandEntityReferencesImpl(JNIEnv*, jclass, jlong)
  72 {
  73     return JNI_FALSE;
  74 }
  75 
  76 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_NodeIteratorImpl_getReferenceNodeImpl(JNIEnv* env, jclass, jlong peer)
  77 {
  78     WebCore::JSMainThreadNullState state;
  79     return JavaReturn<Node>(env, WTF::getPtr(IMPL->referenceNode()));
  80 }
  81 
  82 JNIEXPORT jboolean JNICALL Java_com_sun_webkit_dom_NodeIteratorImpl_getPointerBeforeReferenceNodeImpl(JNIEnv*, jclass, jlong peer)
  83 {
  84     WebCore::JSMainThreadNullState state;
  85     return IMPL->pointerBeforeReferenceNode();
  86 }
  87 
  88 // Functions
  89 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_NodeIteratorImpl_nextNodeImpl(JNIEnv* env, jclass, jlong peer)
  90 {
  91     WebCore::JSMainThreadNullState state;
  92 
  93     auto result = IMPL->nextNode();
  94     if (result.hasException()) {
  95         return {};
  96     }
  97     return JavaReturn<Node>(env, WTF::getPtr(result.releaseReturnValue()));
  98 }
  99 
 100 
 101 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_NodeIteratorImpl_previousNodeImpl(JNIEnv* env, jclass, jlong peer)
 102 {
 103     WebCore::JSMainThreadNullState state;
 104 
 105     auto result = IMPL->previousNode();
 106     if (result.hasException()) {
 107         return {};
 108     }
 109     return JavaReturn<Node>(env, WTF::getPtr(result.releaseReturnValue()));
 110 }
 111 
 112 
 113 JNIEXPORT void JNICALL Java_com_sun_webkit_dom_NodeIteratorImpl_detachImpl(JNIEnv*, jclass, jlong peer)
 114 {
 115     WebCore::JSMainThreadNullState state;
 116     IMPL->detach();
 117 }
 118 
 119 
 120 }