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/*
* Copyright (c) 2010 SURFnet bv
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*****************************************************************************
Configuration.h
Loads the configuration and supports retrieval of configuration information
*****************************************************************************/
#ifndef _SOFTHSM_V2_CONFIGURATION_H
#define _SOFTHSM_V2_CONFIGURATION_H
#include "config.h"
#include <string>
#include <map>
#include <memory>
enum
{
CONFIG_TYPE_UNSUPPORTED,
CONFIG_TYPE_STRING,
CONFIG_TYPE_INT,
CONFIG_TYPE_BOOL
};
struct config
{
std::string key;
int type;
};
class ConfigLoader
{
public:
virtual ~ConfigLoader() { }
// Trigger loading of the configuration
virtual bool loadConfiguration() = 0;
};
class Configuration
{
public:
static Configuration* i();
virtual ~Configuration() { }
// Get the type of the configuration value
int getType(std::string key);
// Retrieve a string based configuration value
std::string getString(std::string key, std::string ifEmpty = std::string(""));
// Retrieve an integer configuration value
int getInt(std::string key, int ifEmpty = 0);
// Retrieve a boolean configuration value
bool getBool(std::string key, bool ifEmpty = false);
// Set a string based configuration value
void setString(std::string key, std::string value);
// Set an integer based configuration value
void setInt(std::string key, int value);
// Set a boolean configuration value
void setBool(std::string key, bool value);
// Reload the configuration
bool reload();
// Reload the configuration using the specified configuration loader
bool reload(ConfigLoader* inConfigLoader);
private:
Configuration();
#ifdef HAVE_CXX11
static std::unique_ptr<Configuration> instance;
#else
static std::auto_ptr<Configuration> instance;
#endif
std::map<std::string, std::string> stringConfiguration;
std::map<std::string, int> integerConfiguration;
std::map<std::string, bool> booleanConfiguration;
ConfigLoader* configLoader;
static const struct config valid_config[];
};
#endif // !_SOFTHSM_V2_CONFIGURATION_H
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