1 /*
2 * Copyright (c) 2010 Google 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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "core/inspector/ScriptArguments.h"
33
34 #include "bindings/v8/ScriptValue.h"
35 #include "bindings/v8/V8Binding.h"
36 #include <v8.h>
37
38 namespace WebCore {
39
DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(ScriptArguments)40 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(ScriptArguments)
41
42 PassRefPtrWillBeRawPtr<ScriptArguments> ScriptArguments::create(ScriptState* scriptState, Vector<ScriptValue>& arguments)
43 {
44 return adoptRefWillBeNoop(new ScriptArguments(scriptState, arguments));
45 }
46
ScriptArguments(ScriptState * scriptState,Vector<ScriptValue> & arguments)47 ScriptArguments::ScriptArguments(ScriptState* scriptState, Vector<ScriptValue>& arguments)
48 : m_scriptState(scriptState)
49 {
50 m_arguments.swap(arguments);
51 }
52
argumentAt(size_t index) const53 const ScriptValue &ScriptArguments::argumentAt(size_t index) const
54 {
55 ASSERT(m_arguments.size() > index);
56 return m_arguments[index];
57 }
58
getFirstArgumentAsString(String & result,bool checkForNullOrUndefined)59 bool ScriptArguments::getFirstArgumentAsString(String& result, bool checkForNullOrUndefined)
60 {
61 if (!argumentCount())
62 return false;
63
64 const ScriptValue& value = argumentAt(0);
65 ScriptState::Scope scope(m_scriptState.get());
66 if (checkForNullOrUndefined && (value.isNull() || value.isUndefined()))
67 return false;
68
69 // We intentionally ignore an exception that can be thrown in ToString().
70 v8::TryCatch block;
71 v8::Handle<v8::String> string = value.v8Value()->ToString();
72 result = string.IsEmpty() ? String() : toCoreString(string);
73 return true;
74 }
75
76 } // namespace WebCore
77