/****************************************************************************
**
** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Script Generator project on Qt Labs.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
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** $QT_END_LICENSE$
**
****************************************************************************/

#include "generator.h"
#include "reporthandler.h"
#include "fileout.h"
#include <QDir>
#include <QFile>
#include <QFileInfo>

Generator::Generator()
{
  m_num_generated = 0;
  m_num_generated_written = 0;
  m_out_dir = ".";
}

void Generator::generate()
{
  if (m_classes.size() == 0) {
    ReportHandler::warning(QString("%1: no java classes, skipping").arg(metaObject()->className()));
    return;
  }

  m_classes.sort();

  for (AbstractMetaClass* cls : m_classes) {
    if (!shouldGenerate(cls))
      continue;

    QString fileName = fileNameForClass(cls);
    ReportHandler::debugSparse(QString("generating: %1").arg(fileName));

    FileOut fileOut(outputDirectory() + "/" + subDirectoryForClass(cls) + "/" + fileName);
    write(fileOut.stream, cls);

    if (fileOut.done())
      ++m_num_generated_written;
    ++m_num_generated;
  }
}

void Generator::printClasses()
{
  QTextStream s(stdout);

  AbstractMetaClassList classes = m_classes;
  classes.sort();

  for (AbstractMetaClass* cls : classes) {
    if (!shouldGenerate(cls))
      continue;
    write(s, cls);
    s << Qt::endl << Qt::endl;
  }
}

void Generator::verifyDirectoryFor(const QFile& file)
{
  QDir dir = QFileInfo(file).dir();
  if (!dir.exists()) {
    if (!dir.mkpath(dir.absolutePath()))
      ReportHandler::warning(QString("unable to create directory '%1'").arg(dir.absolutePath()));
  }
}

QString Generator::subDirectoryForClass(const AbstractMetaClass*) const
{
  Q_ASSERT(false);
  return QString();
}

QString Generator::fileNameForClass(const AbstractMetaClass*) const
{
  Q_ASSERT(false);
  return QString();
}

void Generator::write(QTextStream&, const AbstractMetaClass*)
{
  Q_ASSERT(false);
}

bool Generator::hasDefaultConstructor(const AbstractMetaType* type)
{
  QString full_name = type->typeEntry()->qualifiedTargetLangName();
  QString class_name = type->typeEntry()->targetLangName();

  for (const AbstractMetaClass* java_class : m_classes) {
    if (java_class->typeEntry()->qualifiedTargetLangName() == full_name) {
      AbstractMetaFunctionList functions = java_class->functions();
      for (const AbstractMetaFunction* function : functions) {
        if (function->arguments().size() == 0 && function->name() == class_name)
          return true;
      }
      return false;
    }
  }
  return false;
}
