ground/gcs/src/libs/extensionsystem/optionsparser.h

   1 /**
   2  ******************************************************************************
   3  *
   4  * @file       optionsparser.h
   5  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
   6  *             Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009.
   7  * @brief
   8  * @see        The GNU Public License (GPL) Version 3
   9  * @defgroup
  10  * @{
  11  *
  12  *****************************************************************************/
  13 /*
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 3 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful, but
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  21  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  22  * for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License along
  25  * with this program; if not, write to the Free Software Foundation, Inc.,
  26  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  27  */
  28
  29 #ifndef OPTIONSPARSER_H
  30 #define OPTIONSPARSER_H
  31
  32 #include "pluginmanager_p.h"
  33
  34 #include <QtCore/QStringList>
  35 #include <QtCore/QMap>
  36
  37 namespace ExtensionSystem {
  38 namespace Internal {
  39 class OptionsParser {
  40 public:
  41     OptionsParser(const QStringList &args,
  42                   const QMap<QString, bool> &appOptions,
  43                   QMap<QString, QString> *foundAppOptions,
  44                   QString *errorString,
  45                   PluginManagerPrivate *pmPrivate);
  46
  47     bool parse();
  48
  49     static const char *NO_LOAD_OPTION;
  50     static const char *TEST_OPTION;
  51 private:
  52     // return value indicates if the option was processed
  53     // it doesn't indicate success (--> m_hasError)
  54     bool checkForEndOfOptions();
  55     bool checkForNoLoadOption();
  56     bool checkForTestOption();
  57     bool checkForAppOption();
  58     bool checkForPluginOption();
  59     bool checkForUnknownOption();
  60
  61     enum TokenType { OptionalToken, RequiredToken };
  62     bool nextToken(TokenType type = OptionalToken);
  63
  64     const QStringList &m_args;
  65     const QMap<QString, bool> &m_appOptions;
  66     QMap<QString, QString> *m_foundAppOptions;
  67     QString *m_errorString;
  68     PluginManagerPrivate *m_pmPrivate;
  69
  70     // state
  71     QString m_currentArg;
  72     QStringList::const_iterator m_it;
  73     QStringList::const_iterator m_end;
  74     bool m_isDependencyRefreshNeeded;
  75     bool m_hasError;
  76 };
  77 } // namespace Internal
  78 } // namespace ExtensionSystem
  79
  80 #endif // OPTIONSPARSER_H