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      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/ScriptScope.h"
     35 #include "bindings/v8/ScriptValue.h"
     36 
     37 namespace WebCore {
     38 
     39 PassRefPtr<ScriptArguments> ScriptArguments::create(ScriptState* scriptState, Vector<ScriptValue>& arguments)
     40 {
     41     return adoptRef(new ScriptArguments(scriptState, arguments));
     42 }
     43 
     44 ScriptArguments::ScriptArguments(ScriptState* scriptState, Vector<ScriptValue>& arguments)
     45     : m_scriptState(scriptState)
     46 {
     47     m_arguments.swap(arguments);
     48 }
     49 
     50 ScriptArguments::~ScriptArguments()
     51 {
     52 }
     53 
     54 const ScriptValue &ScriptArguments::argumentAt(size_t index) const
     55 {
     56     ASSERT(m_arguments.size() > index);
     57     return m_arguments[index];
     58 }
     59 
     60 ScriptState* ScriptArguments::globalState() const
     61 {
     62     return m_scriptState.get();
     63 }
     64 
     65 bool ScriptArguments::getFirstArgumentAsString(String& result, bool checkForNullOrUndefined)
     66 {
     67     if (!argumentCount())
     68         return false;
     69 
     70     const ScriptValue& value = argumentAt(0);
     71     ScriptScope scope(m_scriptState.get());
     72     if (checkForNullOrUndefined && (value.isNull() || value.isUndefined()))
     73         return false;
     74 
     75     if (!globalState()) {
     76         ASSERT_NOT_REACHED();
     77         return false;
     78     }
     79 
     80     result = value.toString(globalState());
     81     return true;
     82 }
     83 
     84 bool ScriptArguments::isEqual(ScriptArguments* other) const
     85 {
     86     if (!other)
     87         return false;
     88 
     89     if (m_arguments.size() != other->m_arguments.size())
     90         return false;
     91     if (!globalState() && m_arguments.size())
     92         return false;
     93 
     94     for (size_t i = 0; i < m_arguments.size(); ++i) {
     95         if (!m_arguments[i].isEqual(other->globalState(), other->m_arguments[i]))
     96             return false;
     97     }
     98     return true;
     99 }
    100 
    101 } // namespace WebCore
    102