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 "JSValueRef.h"
30 #include "UnusedParam.h"
31 #include <wtf/Assertions.h>
32
JSNodeList_item(JSContextRef context,JSObjectRef object,JSObjectRef thisObject,size_t argumentCount,const JSValueRef arguments[],JSValueRef * exception)33 static JSValueRef JSNodeList_item(JSContextRef context, JSObjectRef object, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
34 {
35 UNUSED_PARAM(object);
36
37 if (argumentCount > 0) {
38 NodeList* nodeList = JSObjectGetPrivate(thisObject);
39 ASSERT(nodeList);
40 Node* node = NodeList_item(nodeList, (unsigned)JSValueToNumber(context, arguments[0], exception));
41 if (node)
42 return JSNode_new(context, node);
43 }
44
45 return JSValueMakeUndefined(context);
46 }
47
48 static JSStaticFunction JSNodeList_staticFunctions[] = {
49 { "item", JSNodeList_item, kJSPropertyAttributeDontDelete },
50 { 0, 0, 0 }
51 };
52
JSNodeList_length(JSContextRef context,JSObjectRef thisObject,JSStringRef propertyName,JSValueRef * exception)53 static JSValueRef JSNodeList_length(JSContextRef context, JSObjectRef thisObject, JSStringRef propertyName, JSValueRef* exception)
54 {
55 UNUSED_PARAM(propertyName);
56 UNUSED_PARAM(exception);
57
58 NodeList* nodeList = JSObjectGetPrivate(thisObject);
59 ASSERT(nodeList);
60 return JSValueMakeNumber(context, NodeList_length(nodeList));
61 }
62
63 static JSStaticValue JSNodeList_staticValues[] = {
64 { "length", JSNodeList_length, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
65 { 0, 0, 0, 0 }
66 };
67
JSNodeList_getProperty(JSContextRef context,JSObjectRef thisObject,JSStringRef propertyName,JSValueRef * exception)68 static JSValueRef JSNodeList_getProperty(JSContextRef context, JSObjectRef thisObject, JSStringRef propertyName, JSValueRef* exception)
69 {
70 NodeList* nodeList = JSObjectGetPrivate(thisObject);
71 ASSERT(nodeList);
72 double index = JSValueToNumber(context, JSValueMakeString(context, propertyName), exception);
73 unsigned uindex = (unsigned)index;
74 if (uindex == index) { /* false for NaN */
75 Node* node = NodeList_item(nodeList, uindex);
76 if (node)
77 return JSNode_new(context, node);
78 }
79
80 return NULL;
81 }
82
JSNodeList_initialize(JSContextRef context,JSObjectRef thisObject)83 static void JSNodeList_initialize(JSContextRef context, JSObjectRef thisObject)
84 {
85 UNUSED_PARAM(context);
86
87 NodeList* nodeList = JSObjectGetPrivate(thisObject);
88 ASSERT(nodeList);
89
90 NodeList_ref(nodeList);
91 }
92
JSNodeList_finalize(JSObjectRef thisObject)93 static void JSNodeList_finalize(JSObjectRef thisObject)
94 {
95 NodeList* nodeList = JSObjectGetPrivate(thisObject);
96 ASSERT(nodeList);
97
98 NodeList_deref(nodeList);
99 }
100
JSNodeList_class(JSContextRef context)101 static JSClassRef JSNodeList_class(JSContextRef context)
102 {
103 UNUSED_PARAM(context);
104
105 static JSClassRef jsClass;
106 if (!jsClass) {
107 JSClassDefinition definition = kJSClassDefinitionEmpty;
108 definition.staticValues = JSNodeList_staticValues;
109 definition.staticFunctions = JSNodeList_staticFunctions;
110 definition.getProperty = JSNodeList_getProperty;
111 definition.initialize = JSNodeList_initialize;
112 definition.finalize = JSNodeList_finalize;
113
114 jsClass = JSClassCreate(&definition);
115 }
116
117 return jsClass;
118 }
119
JSNodeList_new(JSContextRef context,NodeList * nodeList)120 JSObjectRef JSNodeList_new(JSContextRef context, NodeList* nodeList)
121 {
122 return JSObjectMake(context, JSNodeList_class(context), nodeList);
123 }
124