- added global_preferences_serielizer

- TO DO - test-program not finished



git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@730 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
paolo 2006-07-05 16:01:44 +00:00
parent d7ca106d89
commit f181c93527
4 changed files with 266 additions and 0 deletions

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@ -41,6 +41,7 @@ namespace sgpem
class SG_DLLEXPORT GlobalPreferences : public Singleton<GlobalPreferences>
{
friend class Singleton<GlobalPreferences>;
friend class GlobalPreferencesSerializer;
public:
typedef std::vector<Glib::ustring>::const_iterator dir_iterator;

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@ -0,0 +1,128 @@
// src/global_preferences.cc - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
// This file is part of SGPEMv2.
//
// This 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 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 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 SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include "config.h"
#include "key_file.hh"
#include "global_preferences_serializer.hh"
#include <sstream>
namespace sgpem
{
GlobalPreferencesSerializer::GlobalPreferencesSerializer(GlobalPreferences &gp)
: _globalPreferences(gp)
{}
void
GlobalPreferencesSerializer::file_read(const Glib::ustring& filename)
{
_globalPreferences._mod_dirs.clear();
_globalPreferences._pol_dirs.clear();
KeyFile::file_read(filename);
// read modules directories
{
const Glib::ustring* val = search_value(Glib::ustring("modules-dir-number"));
if(val)
{
std::istringstream istr(val->c_str());
int n;
istr >> n;
for(int i=1; i<=n; i++)
{
std::ostringstream ostr;
ostr << "modules-dir-" << i << std::ends;
Glib::ustring key(ostr.str());
val = search_value(key);
if(val)
{
_globalPreferences.add_modules_dir(*val);
}
}
}
}
// read policies directories
{
const Glib::ustring* val = search_value(Glib::ustring("policies-dir-number"));
if(val)
{
std::istringstream istr(val->c_str());
int n;
istr >> n;
for(int i=1; i<=n; i++)
{
std::ostringstream ostr;
ostr << "policies-dir-" << i << std::ends;
Glib::ustring key(ostr.str());
val = search_value(key);
if(val)
{
_globalPreferences.add_policies_dir(*val);
}
}
}
}
}
void
GlobalPreferencesSerializer::file_write(const Glib::ustring& filename)
{
// add modules directories
{
GlobalPreferences::dir_iterator iter=_globalPreferences.modules_dir_begin();
int n=0;
while(iter!=_globalPreferences.modules_dir_end()){
std::ostringstream ostr;
n++;
ostr << "modules-dir-" << n << std::ends;
Glib::ustring key(ostr.str());
insert_key_value(key, (*iter));
++iter;
}
Glib::ustring key("modules-dir-number");
std::ostringstream ostr;
ostr << n << std::ends;
Glib::ustring value(ostr.str());
insert_key_value(key, value);
}
// add policies directories
{
GlobalPreferences::dir_iterator iter=_globalPreferences.policies_dir_begin();
int n=0;
while(iter!=_globalPreferences.policies_dir_end()){
std::ostringstream ostr;
n++;
ostr << "policies-dir-" << n << std::ends;
Glib::ustring key(ostr.str());
insert_key_value(key, (*iter));
++iter;
}
Glib::ustring key("policies-dir-number");
std::ostringstream ostr;
ostr << n << std::ends;
Glib::ustring value(ostr.str());
insert_key_value(key, value);
}
KeyFile::file_write(filename);
}
}

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@ -0,0 +1,62 @@
// src/backend/key_file.hh - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
// This file is part of SGPEMv2.
//
// This 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 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 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 SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#ifndef GLOBAL_PREFERENCES_SERIALIZER_HH
#define GLOBAL_PREFERENCES_SERIALIZER_HH 1
#include "global_preferences.hh"
#include "key_file.hh"
namespace sgpem
{
class GlobalPreferencesSerializer;
/** \brief Save and retrieve global preferences formatted as key=value rows.
*
* This class handles files to store and retrieve global preferences
* in the form of: key=value rows.
*
*/
class SG_DLLEXPORT GlobalPreferencesSerializer : public KeyFile
{
public:
/** \brief Object constructor */
GlobalPreferencesSerializer(GlobalPreferences &gp);
/** \brief Read a file into this object.
*
* \param filename The file to read from.
*/
void file_read(const Glib::ustring& filename);
/** \brief Write a file from this object.
*
* \param filename The file to write to.
*/
void file_write(const Glib::ustring& filename);
private:
GlobalPreferences& _globalPreferences;
};
}
#endif

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@ -0,0 +1,75 @@
// src/testsuite/test-stepforward.cc - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
// This file is part of SGPEMv2.
//
// This 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 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 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 SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
/* This executable tests for workingness of the save preferences method,
* and nothing else. */
#include "config.h"
#include "glibmm/ustring.h"
#include "backend/global_preferences_serializer.hh"
#include <iostream>
#include <sstream>
// from here and further until the bottom, all to throw away I suppose
int
main(int argc, char** argv) {
using namespace sgpem;
using Glib::ustring;
using std::cout;
using std::endl;
if(argc<2)
{
cout << "GlobalPreferencesSerializer class test program" << endl;
cout << "Syntax: test-global_preferences_serializer filename [mod1 mod2 ...][% pol1 pol2 ...]" << endl << endl;
cout << "This test add modules directories (mod1 mod2 ...) and modules directories (mod1 mod2 ...)"
<< endl
<< "to GlobalPreferences, write it to the file \"filename\", read it and compare." << endl;
cout << "NOTE: 1) Test fails with invalid filenames." << endl;
cout << " 2) File \"filename\" remains in current directory after test execution."
<< endl << endl;
return 2;
}
GlobalPreferences& gp = GlobalPreferences::get_instance();
int i=2;
while(i<argc && (*argv[i]!='%'))
{
gp.add_modules_dir( Glib::ustring(argv[i]) );
i++;
}
i++;
while(i<argc)
{
gp.add_policies_dir( Glib::ustring(argv[i]) );
i++;
}
GlobalPreferencesSerializer gpSer(gp);
gpSer.file_write(Glib::ustring(argv[1]));
// TODO - terminate me as soon as possible - please!!!
exit(0);
}