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#include "qtestbasicstreamer.h"

#include "qtestlogger_p.h"

#include "qtestelement.h"

#include "qtestelementattribute.h"

#include "QtTest/private/qtestlog_p.h"

#include "qtestassert.h"

#include <stdio.h>

#include <stdlib.h>

#ifndef Q_OS_WIN

#include <unistd.h>

#endif

QT_BEGIN_NAMESPACE

namespace QTest

{

    static FILE *stream = 0;

}

QTestBasicStreamer::QTestBasicStreamer()

    :testLogger(0)

{

}

QTestBasicStreamer::~QTestBasicStreamer()

{}

void QTestBasicStreamer::formatStart(const QTestElement *element, QTestCharBuffer *formatted) const

{

    if(!element || !formatted )

        return;

    formatted->data()[0] = '\0';

}

void QTestBasicStreamer::formatEnd(const QTestElement *element, QTestCharBuffer *formatted) const

{

    if(!element || !formatted )

        return;

    formatted->data()[0] = '\0';

}

void QTestBasicStreamer::formatBeforeAttributes(const QTestElement *element, QTestCharBuffer *formatted) const

{

    if(!element || !formatted )

        return;

    formatted->data()[0] = '\0';

}

void QTestBasicStreamer::formatAfterAttributes(const QTestElement *element, QTestCharBuffer *formatted) const

{

    if(!element || !formatted )

        return;

    formatted->data()[0] = '\0';

}

void QTestBasicStreamer::formatAttributes(const QTestElement *, const QTestElementAttribute *attribute, QTestCharBuffer *formatted) const

{

    if(!attribute || !formatted )

        return;

    formatted->data()[0] = '\0';

}

void QTestBasicStreamer::output(QTestElement *element) const

{

    if(!element)

        return;

    outputElements(element);

}

void QTestBasicStreamer::outputElements(QTestElement *element, bool) const

{

    QTestCharBuffer buf;

    bool hasChildren;

    /*

        Elements are in reverse order of occurrence, so start from the end and work

        our way backwards.

    */

    while (element && element->nextElement()) {

        element = element->nextElement();

    }

    while (element) {

        hasChildren = element->childElements();

        formatStart(element, &buf);

        outputString(buf.data());

        formatBeforeAttributes(element, &buf);

        outputString(buf.data());

        outputElementAttributes(element, element->attributes());

        formatAfterAttributes(element, &buf);

        outputString(buf.data());

        if(hasChildren)

            outputElements(element->childElements(), true);

        formatEnd(element, &buf);

        outputString(buf.data());

        element = element->previousElement();

    }

}

void QTestBasicStreamer::outputElementAttributes(const QTestElement* element, QTestElementAttribute *attribute) const

{

    QTestCharBuffer buf;

    while(attribute){

        formatAttributes(element, attribute, &buf);

        outputString(buf.data());

        attribute = attribute->nextElement();

    }

}

void QTestBasicStreamer::outputString(const char *msg) const

{

    QTEST_ASSERT(QTest::stream);

    ::fputs(msg, QTest::stream);

    ::fflush(QTest::stream);

}

void QTestBasicStreamer::startStreaming()

{

    QTEST_ASSERT(!QTest::stream);

    const char *out = QTestLog::outputFileName();

    if (!out) {

        QTest::stream = stdout;

        return;

    }

    #if defined(_MSC_VER) && _MSC_VER >= 1400 && !defined(Q_OS_WINCE)

    if (::fopen_s(&QTest::stream, out, "wt")) {

        #else

        QTest::stream = ::fopen(out, "wt");

        if (!QTest::stream) {

            #endif

            printf("Unable to open file for logging: %s", out);

            ::exit(1);

        }

}

bool QTestBasicStreamer::isTtyOutput()

{

    QTEST_ASSERT(QTest::stream);

#if defined(Q_OS_WIN) || defined(Q_OS_INTEGRITY)

    return true;

#else

    static bool ttyoutput = isatty(fileno(QTest::stream));

    return ttyoutput;

#endif

}

void QTestBasicStreamer::stopStreaming()

{

    QTEST_ASSERT(QTest::stream);

    if (QTest::stream != stdout)

        fclose(QTest::stream);

    QTest::stream = 0;

}

void QTestBasicStreamer::setLogger(const QTestLogger *tstLogger)

{

    testLogger = tstLogger;

}

const QTestLogger *QTestBasicStreamer::logger() const

{

    return testLogger;

}

QT_END_NAMESPACE