/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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** contained in the Technology Preview License Agreement accompanying
** this package.
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** ensure the GNU Lesser General Public License version 2.1 requirements
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****************************************************************************/

#include "qtokenrevealer_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

TokenRevealer::TokenRevealer(const QUrl &uri,
                              const Tokenizer::Ptr &other) : Tokenizer(uri)
                                                           , m_tokenizer(other)
{
    Q_ASSERT(other);
}

TokenRevealer::~TokenRevealer()
{
    qDebug() << "Tokens Revealed:" << m_result;
}

void TokenRevealer::setParserContext(const ParserContext::Ptr &parseInfo)
{
    m_tokenizer->setParserContext(parseInfo);
}

Tokenizer::Token TokenRevealer::nextToken(YYLTYPE *const sourceLocator)
{
    const Token token(m_tokenizer->nextToken(sourceLocator));
    const QString asString(tokenToString(token));
    const TokenType type = token.type;

    /* Indent. */
    switch(type)
    {
        case CURLY_LBRACE:
        {
            m_result += QLatin1Char('\n') + m_indentationString + asString + QLatin1Char('\n');
            m_indentationString.append(QLatin1String("    "));
            m_result += m_indentationString;
            break;
        }
        case CURLY_RBRACE:
        {
            m_indentationString.chop(4);
            m_result += QLatin1Char('\n') + m_indentationString + asString;
            break;
        }
        case SEMI_COLON:
        /* Fallthrough. */
        case COMMA:
        {
            m_result += asString + QLatin1Char('\n') + m_indentationString;
            break;
        }
        default:
            m_result += asString + QLatin1Char(' ');
    }

    return token;
}

int TokenRevealer::commenceScanOnly()
{
    return m_tokenizer->commenceScanOnly();
}

void TokenRevealer::resumeTokenizationFrom(const int position)
{
    m_tokenizer->resumeTokenizationFrom(position);
}

QT_END_NAMESPACE