1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/*
* Copyright (C) 2007 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "JSHTMLCollection.h"
#include "AtomicString.h"
#include "HTMLCollection.h"
#include "HTMLOptionsCollection.h"
#include "JSHTMLAllCollection.h"
#include "JSHTMLOptionsCollection.h"
#include "JSNamedNodesCollection.h"
#include "JSNode.h"
#include "Node.h"
#include "JSDOMBinding.h"
#include "kjs_html.h"
#include <wtf/Vector.h>
using namespace KJS;
namespace WebCore {
static JSValue* getNamedItems(ExecState* exec, HTMLCollection* impl, const Identifier& propertyName)
{
Vector<RefPtr<Node> > namedItems;
impl->namedItems(propertyName, namedItems);
if (namedItems.isEmpty())
return jsUndefined();
if (namedItems.size() == 1)
return toJS(exec, namedItems[0].get());
return new JSNamedNodesCollection(exec->lexicalGlobalObject()->objectPrototype(), namedItems);
}
// HTMLCollections are strange objects, they support both get and call,
// so that document.forms.item(0) and document.forms(0) both work.
JSValue* JSHTMLCollection::callAsFunction(ExecState* exec, JSObject*, const List& args)
{
if (args.size() < 1)
return jsUndefined();
// Do not use thisObj here. It can be the JSHTMLDocument, in the document.forms(i) case.
HTMLCollection* collection = impl();
// Also, do we need the TypeError test here ?
if (args.size() == 1) {
// Support for document.all(<index>) etc.
bool ok;
UString string = args[0]->toString(exec);
unsigned index = string.toUInt32(&ok, false);
if (ok)
return toJS(exec, collection->item(index));
// Support for document.images('<name>') etc.
return getNamedItems(exec, collection, Identifier(string));
}
// The second arg, if set, is the index of the item we want
bool ok;
UString string = args[0]->toString(exec);
unsigned index = args[1]->toString(exec).toUInt32(&ok, false);
if (ok) {
String pstr = string;
Node* node = collection->namedItem(pstr);
while (node) {
if (!index)
return toJS(exec, node);
node = collection->nextNamedItem(pstr);
--index;
}
}
return jsUndefined();
}
CallType JSHTMLCollection::getCallData(CallData&)
{
return CallTypeNative;
}
bool JSHTMLCollection::canGetItemsForName(ExecState* exec, HTMLCollection* thisObj, const Identifier& propertyName)
{
return !getNamedItems(exec, thisObj, propertyName)->isUndefined();
}
JSValue* JSHTMLCollection::nameGetter(ExecState* exec, const Identifier& propertyName, const PropertySlot& slot)
{
JSHTMLCollection* thisObj = static_cast<JSHTMLCollection*>(slot.slotBase());
return getNamedItems(exec, thisObj->impl(), propertyName);
}
JSValue* JSHTMLCollection::item(ExecState* exec, const List& args)
{
bool ok;
uint32_t index = args[0]->toString(exec).toUInt32(&ok, false);
if (ok)
return toJS(exec, impl()->item(index));
return getNamedItems(exec, impl(), Identifier(args[0]->toString(exec)));
}
JSValue* JSHTMLCollection::namedItem(ExecState* exec, const List& args)
{
return getNamedItems(exec, impl(), Identifier(args[0]->toString(exec)));
}
JSValue* toJS(ExecState* exec, HTMLCollection* collection)
{
if (!collection)
return jsNull();
DOMObject* ret = ScriptInterpreter::getDOMObject(collection);
if (ret)
return ret;
switch (collection->type()) {
case HTMLCollection::SelectOptions:
ret = new JSHTMLOptionsCollection(JSHTMLOptionsCollectionPrototype::self(exec), static_cast<HTMLOptionsCollection*>(collection));
break;
case HTMLCollection::DocAll:
ret = new JSHTMLAllCollection(JSHTMLCollectionPrototype::self(exec), static_cast<HTMLCollection*>(collection));
break;
default:
ret = new JSHTMLCollection(JSHTMLCollectionPrototype::self(exec), static_cast<HTMLCollection*>(collection));
break;
}
ScriptInterpreter::putDOMObject(collection, ret);
return ret;
}
} // namespace WebCore
|
