Source/WebCore/inspector/ScriptArguments.cpp

/*
 * Copyright (c) 2010 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
 * 
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 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#include "config.h"
#include "ScriptArguments.h"

#include "ScriptValue.h"

namespace WebCore {

PassRefPtr<ScriptArguments> ScriptArguments::create(ScriptState* scriptState, Vector<ScriptValue>& arguments)
{
    return adoptRef(new ScriptArguments(scriptState, arguments));
}

ScriptArguments::ScriptArguments(ScriptState* scriptState, Vector<ScriptValue>& arguments)
    : m_scriptState(scriptState)
{
    m_arguments.swap(arguments);
}

ScriptArguments::~ScriptArguments()
{
}

const ScriptValue &ScriptArguments::argumentAt(size_t index) const
{
    ASSERT(m_arguments.size() > index);
    return m_arguments[index];
}

ScriptState* ScriptArguments::globalState() const
{
    return m_scriptState.get();
}

bool ScriptArguments::getFirstArgumentAsString(String& result, bool checkForNullOrUndefined)
{
    if (!argumentCount())
        return false;

    const ScriptValue& value = argumentAt(0);
    if (checkForNullOrUndefined && (value.isNull() || value.isUndefined()))
        return false;

    if (!globalState()) {
        ASSERT_NOT_REACHED();
        return false;
    }

    result = value.toString(globalState());
    return true;
}

bool ScriptArguments::isEqual(ScriptArguments* other) const
{
    if (!other)
        return false;

    if (m_arguments.size() != other->m_arguments.size())
        return false;
    if (!globalState() && m_arguments.size())
        return false;

    for (size_t i = 0; i < m_arguments.size(); ++i) {
        if (!m_arguments[i].isEqual(other->globalState(), other->m_arguments[i]))
            return false;
    }
    return true;
}

} // namespace WebCore