Home | History | Annotate | Download | only in tests 
      1 /*
      2  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "JSNode.h"
     27 #include "JSNodeList.h"
     28 #include "JSObjectRef.h"
     29 #include "JSStringRef.h"
     30 #include "JSValueRef.h"
     31 #include "Node.h"
     32 #include "NodeList.h"
     33 #include "UnusedParam.h"
     34 #include <wtf/Assertions.h>
     35 
     36 static JSValueRef JSNode_appendChild(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
     37 {
     38     UNUSED_PARAM(function);
     39 
     40     /* Example of throwing a type error for invalid values */
     41     if (!JSValueIsObjectOfClass(context, thisObject, JSNode_class(context))) {
     42         JSStringRef message = JSStringCreateWithUTF8CString("TypeError: appendChild can only be called on nodes");
     43         *exception = JSValueMakeString(context, message);
     44         JSStringRelease(message);
     45     } else if (argumentCount < 1 || !JSValueIsObjectOfClass(context, arguments[0], JSNode_class(context))) {
     46         JSStringRef message = JSStringCreateWithUTF8CString("TypeError: first argument to appendChild must be a node");
     47         *exception = JSValueMakeString(context, message);
     48         JSStringRelease(message);
     49     } else {
     50         Node* node = JSObjectGetPrivate(thisObject);
     51         Node* child = JSObjectGetPrivate(JSValueToObject(context, arguments[0], NULL));
     52 
     53         Node_appendChild(node, child);
     54     }
     55 
     56     return JSValueMakeUndefined(context);
     57 }
     58 
     59 static JSValueRef JSNode_removeChild(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
     60 {
     61     UNUSED_PARAM(function);
     62 
     63     /* Example of ignoring invalid values */
     64     if (argumentCount > 0) {
     65         if (JSValueIsObjectOfClass(context, thisObject, JSNode_class(context))) {
     66             if (JSValueIsObjectOfClass(context, arguments[0], JSNode_class(context))) {
     67                 Node* node = JSObjectGetPrivate(thisObject);
     68                 Node* child = JSObjectGetPrivate(JSValueToObject(context, arguments[0], exception));
     69 
     70                 Node_removeChild(node, child);
     71             }
     72         }
     73     }
     74 
     75     return JSValueMakeUndefined(context);
     76 }
     77 
     78 static JSValueRef JSNode_replaceChild(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
     79 {
     80     UNUSED_PARAM(function);
     81 
     82     if (argumentCount > 1) {
     83         if (JSValueIsObjectOfClass(context, thisObject, JSNode_class(context))) {
     84             if (JSValueIsObjectOfClass(context, arguments[0], JSNode_class(context))) {
     85                 if (JSValueIsObjectOfClass(context, arguments[1], JSNode_class(context))) {
     86                     Node* node = JSObjectGetPrivate(thisObject);
     87                     Node* newChild = JSObjectGetPrivate(JSValueToObject(context, arguments[0], exception));
     88                     Node* oldChild = JSObjectGetPrivate(JSValueToObject(context, arguments[1], exception));
     89 
     90                     Node_replaceChild(node, newChild, oldChild);
     91                 }
     92             }
     93         }
     94     }
     95 
     96     return JSValueMakeUndefined(context);
     97 }
     98 
     99 static JSStaticFunction JSNode_staticFunctions[] = {
    100     { "appendChild", JSNode_appendChild, kJSPropertyAttributeDontDelete },
    101     { "removeChild", JSNode_removeChild, kJSPropertyAttributeDontDelete },
    102     { "replaceChild", JSNode_replaceChild, kJSPropertyAttributeDontDelete },
    103     { 0, 0, 0 }
    104 };
    105 
    106 static JSValueRef JSNode_getNodeType(JSContextRef context, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)
    107 {
    108     UNUSED_PARAM(propertyName);
    109     UNUSED_PARAM(exception);
    110 
    111     Node* node = JSObjectGetPrivate(object);
    112     if (node) {
    113         JSStringRef nodeType = JSStringCreateWithUTF8CString(node->nodeType);
    114         JSValueRef value = JSValueMakeString(context, nodeType);
    115         JSStringRelease(nodeType);
    116         return value;
    117     }
    118 
    119     return NULL;
    120 }
    121 
    122 static JSValueRef JSNode_getChildNodes(JSContextRef context, JSObjectRef thisObject, JSStringRef propertyName, JSValueRef* exception)
    123 {
    124     UNUSED_PARAM(propertyName);
    125     UNUSED_PARAM(exception);
    126 
    127     Node* node = JSObjectGetPrivate(thisObject);
    128     ASSERT(node);
    129     return JSNodeList_new(context, NodeList_new(node));
    130 }
    131 
    132 static JSValueRef JSNode_getFirstChild(JSContextRef context, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)
    133 {
    134     UNUSED_PARAM(object);
    135     UNUSED_PARAM(propertyName);
    136     UNUSED_PARAM(exception);
    137 
    138     return JSValueMakeUndefined(context);
    139 }
    140 
    141 static JSStaticValue JSNode_staticValues[] = {
    142     { "nodeType", JSNode_getNodeType, NULL, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
    143     { "childNodes", JSNode_getChildNodes, NULL, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
    144     { "firstChild", JSNode_getFirstChild, NULL, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
    145     { 0, 0, 0, 0 }
    146 };
    147 
    148 static void JSNode_initialize(JSContextRef context, JSObjectRef object)
    149 {
    150     UNUSED_PARAM(context);
    151 
    152     Node* node = JSObjectGetPrivate(object);
    153     ASSERT(node);
    154 
    155     Node_ref(node);
    156 }
    157 
    158 static void JSNode_finalize(JSObjectRef object)
    159 {
    160     Node* node = JSObjectGetPrivate(object);
    161     ASSERT(node);
    162 
    163     Node_deref(node);
    164 }
    165 
    166 JSClassRef JSNode_class(JSContextRef context)
    167 {
    168     UNUSED_PARAM(context);
    169 
    170     static JSClassRef jsClass;
    171     if (!jsClass) {
    172         JSClassDefinition definition = kJSClassDefinitionEmpty;
    173         definition.staticValues = JSNode_staticValues;
    174         definition.staticFunctions = JSNode_staticFunctions;
    175         definition.initialize = JSNode_initialize;
    176         definition.finalize = JSNode_finalize;
    177 
    178         jsClass = JSClassCreate(&definition);
    179     }
    180     return jsClass;
    181 }
    182 
    183 JSObjectRef JSNode_new(JSContextRef context, Node* node)
    184 {
    185     return JSObjectMake(context, JSNode_class(context), node);
    186 }
    187 
    188 JSObjectRef JSNode_construct(JSContextRef context, JSObjectRef object, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
    189 {
    190     UNUSED_PARAM(object);
    191     UNUSED_PARAM(argumentCount);
    192     UNUSED_PARAM(arguments);
    193     UNUSED_PARAM(exception);
    194 
    195     return JSNode_new(context, Node_new());
    196 }
    197