source: trunk/bin/Parameter.cc

// $Id: Parameter.cc 1673 2023-08-26 15:36:10Z peter $

/*
  Copyright (C) 2006, 2007, 2008 Jari Häkkinen, Peter Johansson
  Copyright (C) 2009, 2010 Peter Johansson

  This file is part of svndigest, http://dev.thep.lu.se/svndigest

  svndigest is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 3 of the License, or
  (at your option) any later version.

  svndigest is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with svndigest. If not, see <http://www.gnu.org/licenses/>.
*/

#include <config.h> // this header file is created by configure

#include "Parameter.h"

#include "lib/utility.h"

#include <yat/utility/ColumnStream.h>
#include <yat/utility/Exception.h>
#include <yat/utility/OptionArg.h>
#include <yat/utility/OptionHelp.h>
#include <yat/utility/OptionSwitch.h>

#include <cstddef>
#include <cstring>
#include <fstream>
#include <iostream>
#include <sstream>
#include <stdexcept>
#include <string>
#include <sys/stat.h>

namespace theplu {
namespace svndigest {

  Parameter::Parameter(void)
    : config_file_(cmd_, "config-file",
                   "configuration file [<ROOT>/.svndigest/config]"),
      generate_config_(cmd_, "g,generate-config",
                       "write configuration to standard output"),
      ignore_cache_(cmd_, "ignore-cache",
                    std::string("ignore cache files and analyze ") +
                    std::string("everything from repository"))
  {
  }


  Parameter::~Parameter(void)
  {
  }


  void Parameter::analyse1(void)
  {
    std::string save_wd = pwd();

    // check root but not if -g option given
    if (!generate_config()) {
      analyse_root(root_.value());
    }

    // check config file
    struct stat nodestat;
    // true also if there is a broken symlink named...
    bool config_exists = !lstat(config_file_.value().c_str(), &nodestat);
    // the latter case in order to catch broken symlink
    if (config_file_.present() || config_exists)
      // throws if file does not exists
      check_existence(config_file_.value());
    if (config_exists) {
      // throws if file is not readable
      check_readable(config_file_.value());
      stat(config_file_.value().c_str(), &nodestat);
      if (S_ISDIR(nodestat.st_mode)) {
        std::stringstream ss;
        ss << cmd_.program_name() << ": '" << config_file_.value()
           << "' is a directory";
        throw yat::utility::cmd_error(ss.str());
      }
    }
    analyse2();
  }


  std::string Parameter::config_file(void) const
  {
    return config_file_.value();
  }


  bool Parameter::generate_config(void) const
  {
    return generate_config_.present();
  }


  bool Parameter::ignore_cache(void) const
  {
    return ignore_cache_.present();
  }


  void Parameter::init1(void)
  {
    config_file_.print_arg("=FILE");
    init2();
  }


  void Parameter::set_default1(void)
  {
    if (!config_file_.present())
      config_file_.value(concatenate_path(root_.value(),".svndigest/config"));

    set_default2();
  }


}} // of namespace svndigest and namespace theplu