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
|
/*
* Copyright (C) 2007-2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "Document.h"
#include "ExceptionCode.h"
#include "JSXPathNSResolver.h"
#include "Node.h"
#include "XPathNSResolver.h"
#include "XPathResult.h"
#include "V8Binding.h"
#include "V8CustomBinding.h"
#include "V8Node.h"
#include "V8Proxy.h"
#if ENABLE(XPATH)
#include "V8XPathNSResolver.h"
#include "V8XPathResult.h"
#endif
#include <wtf/RefPtr.h>
namespace WebCore {
CALLBACK_FUNC_DECL(DocumentEvaluate)
{
INC_STATS("DOM.Document.evaluate()");
#if ENABLE(XPATH)
Document* document = V8Proxy::DOMWrapperToNode<Document>(args.Holder());
ExceptionCode ec = 0;
String expression = toWebCoreString(args[0]);
Node* contextNode = 0;
if (V8Node::HasInstance(args[1]))
contextNode = V8Proxy::DOMWrapperToNode<Node>(args[1]);
XPathNSResolver* resolver = 0;
if (V8XPathNSResolver::HasInstance(args[2]))
resolver = V8Proxy::ToNativeObject<XPathNSResolver>(V8ClassIndex::XPATHNSRESOLVER, args[2]);
else if (args[2]->IsObject())
resolver = new JSXPathNSResolver(args[2]->ToObject());
else if (!args[2]->IsNull() && !args[2]->IsUndefined())
return throwError(TYPE_MISMATCH_ERR);
int type = toInt32(args[3]);
XPathResult* inResult = 0;
if (V8XPathResult::HasInstance(args[4]))
inResult = V8Proxy::ToNativeObject<XPathResult>(V8ClassIndex::XPATHRESULT, args[4]);
v8::TryCatch exceptionCatcher;
RefPtr<XPathResult> result = document->evaluate(expression, contextNode, resolver, type, inResult, ec);
if (exceptionCatcher.HasCaught())
return throwError(exceptionCatcher.Exception());
if (ec)
return throwError(ec);
return V8Proxy::ToV8Object(V8ClassIndex::XPATHRESULT, result.get());
#else
return throwError(NOT_SUPPORTED_ERR);
#endif
}
CALLBACK_FUNC_DECL(DocumentGetCSSCanvasContext)
{
INC_STATS("DOM.Document.getCSSCanvasContext");
v8::Handle<v8::Value> holder = args.Holder();
Document* imp = V8Proxy::DOMWrapperToNode<Document>(holder);
String contextId = toWebCoreString(args[0]);
String name = toWebCoreString(args[1]);
int width = toInt32(args[2]);
int height = toInt32(args[3]);
CanvasRenderingContext2D* result = imp->getCSSCanvasContext(contextId, name, width, height);
return V8Proxy::ToV8Object(V8ClassIndex::CANVASRENDERINGCONTEXT2D, result);
}
} // namespace WebCore
|