Source/JavaScriptCore/inspector/ScriptArguments.h

/*
 * Copyright (C) 2014-2018 Apple Inc. All rights reserved.
 * Copyright (c) 2010 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.
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 * 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,
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 */

#pragma once

#include "Strong.h"
#include <wtf/Forward.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>

namespace JSC {
class CallFrame;
class JSGlobalObject;
}

namespace Inspector {

class JS_EXPORT_PRIVATE ScriptArguments : public RefCounted<ScriptArguments> {
public:
    static Ref<ScriptArguments> create(JSC::JSGlobalObject*, Vector<JSC::Strong<JSC::Unknown>>&& arguments);
    ~ScriptArguments();

    JSC::JSValue argumentAt(size_t) const;
    size_t argumentCount() const { return m_arguments.size(); }

    JSC::JSGlobalObject* globalObject() const;

    bool getFirstArgumentAsString(String& result) const;
    bool isEqual(const ScriptArguments&) const;

    static String truncateStringForConsoleMessage(const String& message)
    {
        constexpr size_t maxMessageLength = 10000;
        if (message.length() <= maxMessageLength)
            return message;
        return makeString(message.substring(0, maxMessageLength), "..."_s);
    }

private:
    ScriptArguments(JSC::JSGlobalObject*, Vector<JSC::Strong<JSC::Unknown>>&& arguments);

    JSC::Strong<JSC::JSGlobalObject> m_globalObject;
    Vector<JSC::Strong<JSC::Unknown>> m_arguments;
};

} // namespace Inspector