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/*************************************************
* Configuration Handling Source File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#include <botan/config.h>
#include <botan/libstate.h>
#include <botan/lookup.h>
#include <botan/charset.h>
#include <botan/parsing.h>
#include <botan/stl_util.h>
#include <botan/mutex.h>
#include <string>
namespace Botan {
/*************************************************
* Get the global configuration object *
*************************************************/
Config& global_config()
{
return global_state().config();
}
/*************************************************
* Dereference an alias *
*************************************************/
std::string deref_alias(const std::string& name)
{
return global_state().config().deref_alias(name);
}
/*************************************************
* Get a configuration value *
*************************************************/
Config::Config()
{
mutex = global_state().get_mutex();
}
/*************************************************
* Get a configuration value *
*************************************************/
Config::~Config()
{
delete mutex;
}
/*************************************************
* Get a configuration value *
*************************************************/
std::string Config::get(const std::string& section,
const std::string& key) const
{
Mutex_Holder lock(mutex);
return search_map<std::string, std::string>(settings,
section + "/" + key, "");
}
/*************************************************
* See if a particular option has been set *
*************************************************/
bool Config::is_set(const std::string& section,
const std::string& key) const
{
Mutex_Holder lock(mutex);
return search_map(settings, section + "/" + key, false, true);
}
/*************************************************
* Set a configuration value *
*************************************************/
void Config::set(const std::string& section, const std::string& key,
const std::string& value, bool overwrite)
{
Mutex_Holder lock(mutex);
std::string full_key = section + "/" + key;
std::map<std::string, std::string>::const_iterator i =
settings.find(full_key);
if(overwrite || i == settings.end() || i->second == "")
settings[full_key] = value;
}
/*************************************************
* Add an alias *
*************************************************/
void Config::add_alias(const std::string& key, const std::string& value)
{
set("alias", key, value);
}
/*************************************************
* Dereference an alias to a fixed name *
*************************************************/
std::string Config::deref_alias(const std::string& key) const
{
std::string result = key;
while(is_set("alias", result))
result = get("alias", result);
return result;
}
/*************************************************
* Set/Add an option *
*************************************************/
void Config::set_option(const std::string key, const std::string& value)
{
set("conf", key, value);
}
/*************************************************
* Get an option value *
*************************************************/
std::string Config::option(const std::string& key) const
{
return get("conf", key);
}
/*************************************************
* Get the config setting as a time *
*************************************************/
u32bit Config::option_as_time(const std::string& key) const
{
return timespec_to_u32bit(option(key));
}
}
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