/*

 * Copyright (C) 2007 Apple 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:

 *

 * 1.  Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer.

 * 2.  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.

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 "Console.h"

#include "Chrome.h"

#include "ChromeClient.h"

#include "ConsoleMessage.h"

#include "Frame.h"

#include "FrameLoader.h"

#include "FrameTree.h"

#include "InspectorController.h"

#include "MemoryInfo.h"

#include "Page.h"

#include "PageGroup.h"

#include "PlatformString.h"

#include "ScriptCallStack.h"

#include "ScriptProfile.h"

#include "ScriptProfiler.h"

#include <stdio.h>

#include <wtf/text/CString.h>

#include <wtf/UnusedParam.h>

namespace WebCore {

Console::Console(Frame* frame)

    : m_frame(frame)

{

}

Frame* Console::frame() const

{

    return m_frame;

}

void Console::disconnectFrame()

{

    if (m_memory)

        m_memory = 0;

    m_frame = 0;

}

static void printSourceURLAndLine(const String& sourceURL, unsigned lineNumber)

{

    if (!sourceURL.isEmpty()) {

        if (lineNumber > 0)

            printf("%s:%d: ", sourceURL.utf8().data(), lineNumber);

        else

            printf("%s: ", sourceURL.utf8().data());

    }

}

static bool getFirstArgumentAsString(ScriptState* scriptState, const ScriptCallFrame& callFrame, String& result, bool checkForNullOrUndefined = false)

{

    if (!callFrame.argumentCount())

        return false;

    const ScriptValue& value = callFrame.argumentAt(0);

    if (checkForNullOrUndefined && (value.isNull() || value.isUndefined()))

        return false;

    result = value.toString(scriptState);

    return true;

}

static void printMessageSourceAndLevelPrefix(MessageSource source, MessageLevel level)

{

    const char* sourceString;

    switch (source) {

    case HTMLMessageSource:

        sourceString = "HTML";

        break;

    case WMLMessageSource:

        sourceString = "WML";

        break;

    case XMLMessageSource:

        sourceString = "XML";

        break;

    case JSMessageSource:

        sourceString = "JS";

        break;

    case CSSMessageSource:

        sourceString = "CSS";

        break;

    case OtherMessageSource:

        sourceString = "OTHER";

        break;

    default:

        ASSERT_NOT_REACHED();

        sourceString = "UNKNOWN";

        break;

    }

    const char* levelString;

    switch (level) {

    case TipMessageLevel:

        levelString = "TIP";

        break;

    case LogMessageLevel:

        levelString = "LOG";

        break;

    case WarningMessageLevel:

        levelString = "WARN";

        break;

    case ErrorMessageLevel:

        levelString = "ERROR";

        break;

    case DebugMessageLevel:

        levelString = "DEBUG";

        break;

    default:

        ASSERT_NOT_REACHED();

        levelString = "UNKNOWN";

        break;

    }

    printf("%s %s:", sourceString, levelString);

}

void Console::addMessage(MessageSource source, MessageType type, MessageLevel level, const String& message, unsigned lineNumber, const String& sourceURL, ScriptCallStack* callStack)

{

    Page* page = this->page();

    if (!page)

        return;

    if (source == JSMessageSource)

        page->chrome()->client()->addMessageToConsole(source, type, level, message, lineNumber, sourceURL);

#if ENABLE(INSPECTOR)

    if (callStack)

        page->inspectorController()->addMessageToConsole(source, type, level, callStack, message);

    else

        page->inspectorController()->addMessageToConsole(source, type, level, message, lineNumber, sourceURL);

#endif

    if (!Console::shouldPrintExceptions())

        return;

    printSourceURLAndLine(sourceURL, lineNumber);

    printMessageSourceAndLevelPrefix(source, level);

    printf(" %s\n", message.utf8().data());

}

void Console::addMessage(MessageType type, MessageLevel level, ScriptCallStack* callStack, bool acceptNoArguments)

{

    Page* page = this->page();

    if (!page)

        return;

    const ScriptCallFrame& lastCaller = callStack->at(0);

    if (!acceptNoArguments && !lastCaller.argumentCount())

        return;

    String message;

    if (getFirstArgumentAsString(callStack->state(), lastCaller, message))

        page->chrome()->client()->addMessageToConsole(JSMessageSource, type, level, message, lastCaller.lineNumber(), lastCaller.sourceURL().prettyURL());

#if ENABLE(INSPECTOR)

    page->inspectorController()->addMessageToConsole(JSMessageSource, type, level, callStack);

#endif

    if (!Console::shouldPrintExceptions())

        return;

    printSourceURLAndLine(lastCaller.sourceURL().prettyURL(), 0);

    printMessageSourceAndLevelPrefix(JSMessageSource, level);

    for (unsigned i = 0; i < lastCaller.argumentCount(); ++i) {

        String argAsString;

        if (lastCaller.argumentAt(i).getString(callStack->state(), argAsString))

            printf(" %s", argAsString.utf8().data());

    }

    printf("\n");

}

void Console::debug(ScriptCallStack* callStack)

{

    // In Firebug, console.debug has the same behavior as console.log. So we'll do the same.

    log(callStack);

}

void Console::error(ScriptCallStack* callStack)

{

    addMessage(LogMessageType, ErrorMessageLevel, callStack);

}

void Console::info(ScriptCallStack* callStack)

{

    log(callStack);

}

void Console::log(ScriptCallStack* callStack)

{

    addMessage(LogMessageType, LogMessageLevel, callStack);

}

void Console::dir(ScriptCallStack* callStack)

{

    addMessage(ObjectMessageType, LogMessageLevel, callStack);

}

void Console::dirxml(ScriptCallStack* callStack)

{

    // The standard behavior of our console.log will print the DOM tree for nodes.

    log(callStack);

}

void Console::trace(ScriptCallStack* callStack)

{

    addMessage(TraceMessageType, LogMessageLevel, callStack, true);

    if (!shouldPrintExceptions())

        return;

    printf("Stack Trace\n");

    for (unsigned i = 0; i < callStack->size(); ++i) {

        String functionName = String(callStack->at(i).functionName());

        printf("\t%s\n", functionName.utf8().data());

    }

}

void Console::assertCondition(bool condition, ScriptCallStack* callStack)

{

    if (condition)

        return;

    addMessage(AssertMessageType, ErrorMessageLevel, callStack, true);

}

void Console::count(ScriptCallStack* callStack)

{

#if ENABLE(INSPECTOR)

    Page* page = this->page();

    if (!page)

        return;

    const ScriptCallFrame& lastCaller = callStack->at(0);

    // Follow Firebug's behavior of counting with null and undefined title in

    // the same bucket as no argument

    String title;

    getFirstArgumentAsString(callStack->state(), lastCaller, title);

    page->inspectorController()->count(title, lastCaller.lineNumber(), lastCaller.sourceURL().string());

#else

    UNUSED_PARAM(callStack);

#endif

}

void Console::markTimeline(ScriptCallStack* callStack)

{

#if ENABLE(INSPECTOR)

    Page* page = this->page();

    if (!page)

        return;

    const ScriptCallFrame& lastCaller = callStack->at(0);

    String message;

    getFirstArgumentAsString(callStack->state(), lastCaller, message);

    page->inspectorController()->markTimeline(message);

#else

    UNUSED_PARAM(callStack);

#endif

}

#if ENABLE(WML)

String Console::lastWMLErrorMessage() const

{

#if ENABLE(INSPECTOR)

    Page* page = this->page();

    if (!page)

        return String();

    const Vector<OwnPtr<ConsoleMessage> >& consoleMessages = page->inspectorController()->consoleMessages();

    if (consoleMessages.isEmpty())

        return String();

    Vector<OwnPtr<ConsoleMessage> >::const_iterator it = consoleMessages.begin();

    const Vector<OwnPtr<ConsoleMessage> >::const_iterator end = consoleMessages.end();

    for (; it != end; ++it) {

        ConsoleMessage* message = it->get();

        if (message->source() != WMLMessageSource)

            continue;

        return message->message();

    }

#endif

    return String();

}

#endif

#if ENABLE(JAVASCRIPT_DEBUGGER)

void Console::profile(const String& title, ScriptCallStack* callStack)

{

    Page* page = this->page();

    if (!page)

        return;

#if ENABLE(INSPECTOR)

    InspectorController* controller = page->inspectorController();

    // FIXME: log a console message when profiling is disabled.

    if (!controller->profilerEnabled())

        return;

#endif

    String resolvedTitle = title;

    if (title.isNull()) // no title so give it the next user initiated profile title.

#if ENABLE(INSPECTOR)

        resolvedTitle = controller->getCurrentUserInitiatedProfileName(true);

#else

        resolvedTitle = "";

#endif

    ScriptProfiler::start(callStack->state(), resolvedTitle);

#if ENABLE(INSPECTOR)

    const ScriptCallFrame& lastCaller = callStack->at(0);

    controller->addStartProfilingMessageToConsole(resolvedTitle, lastCaller.lineNumber(), lastCaller.sourceURL());

#endif

}

void Console::profileEnd(const String& title, ScriptCallStack* callStack)

{

    Page* page = this->page();

    if (!page)

        return;

#if ENABLE(INSPECTOR)

    InspectorController* controller = page->inspectorController();

    if (!controller->profilerEnabled())

        return;

#endif

    RefPtr<ScriptProfile> profile = ScriptProfiler::stop(callStack->state(), title);

    if (!profile)

        return;

    m_profiles.append(profile);

#if ENABLE(INSPECTOR)

    const ScriptCallFrame& lastCaller = callStack->at(0);

    controller->addProfile(profile, lastCaller.lineNumber(), lastCaller.sourceURL());

#endif

}

#endif

void Console::time(const String& title)

{

#if ENABLE(INSPECTOR)

    Page* page = this->page();

    if (!page)

        return;

    // Follow Firebug's behavior of requiring a title that is not null or

    // undefined for timing functions

    if (title.isNull())

        return;

    page->inspectorController()->startTiming(title);

#else

    UNUSED_PARAM(title);

#endif

}

void Console::timeEnd(const String& title, ScriptCallStack* callStack)

{

#if ENABLE(INSPECTOR)

    Page* page = this->page();

    if (!page)

        return;

    // Follow Firebug's behavior of requiring a title that is not null or

    // undefined for timing functions

    if (title.isNull())

        return;

    double elapsed;

    if (!page->inspectorController()->stopTiming(title, elapsed))

        return;

    String message = title + String::format(": %.0fms", elapsed);

    const ScriptCallFrame& lastCaller = callStack->at(0);

    page->inspectorController()->addMessageToConsole(JSMessageSource, LogMessageType, LogMessageLevel, message, lastCaller.lineNumber(), lastCaller.sourceURL().string());

#else

    UNUSED_PARAM(title);

    UNUSED_PARAM(callStack);

#endif

}

void Console::group(ScriptCallStack* callStack)

{

#if ENABLE(INSPECTOR)

    Page* page = this->page();

    if (!page)

        return;

    page->inspectorController()->startGroup(JSMessageSource, callStack);

#else

    UNUSED_PARAM(callStack);

#endif

}

void Console::groupCollapsed(ScriptCallStack* callStack)

{

#if ENABLE(INSPECTOR)

    Page* page = this->page();

    if (!page)

        return;

    page->inspectorController()->startGroup(JSMessageSource, callStack, true);

#else

    UNUSED_PARAM(callStack);

#endif

}

void Console::groupEnd()

{

#if ENABLE(INSPECTOR)

    Page* page = this->page();

    if (!page)

        return;

    page->inspectorController()->endGroup(JSMessageSource, 0, String());

#endif

}

void Console::warn(ScriptCallStack* callStack)

{

    addMessage(LogMessageType, WarningMessageLevel, callStack);

}

MemoryInfo* Console::memory() const

{

    m_memory = MemoryInfo::create(m_frame);

    return m_memory.get();

}

static bool printExceptions = false;

bool Console::shouldPrintExceptions()

{

    return printExceptions;

}

void Console::setShouldPrintExceptions(bool print)

{

    printExceptions = print;

}

Page* Console::page() const

{

    if (!m_frame)

        return 0;

    return m_frame->page();

}

} // namespace WebCore