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/* Copyright (c) 2008-2022 the MRtrix3 contributors.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Covered Software is provided under this License on an "as is"
* basis, without warranty of any kind, either expressed, implied, or
* statutory, including, without limitation, warranties that the
* Covered Software is free of defects, merchantable, fit for a
* particular purpose or non-infringing.
* See the Mozilla Public License v. 2.0 for more details.
*
* For more details, see http://www.mrtrix.org/.
*/
#include "app.h"
#include "debug.h"
#include "header.h"
#include "file/path.h"
#include "file/config.h"
#define MRTRIX_CONFIG_FILE "mrtrix.conf"
#define MRTRIX_SYS_CONFIG_FILE "/etc/" MRTRIX_CONFIG_FILE
#define MRTRIX_USER_CONFIG_FILE "." MRTRIX_CONFIG_FILE
namespace MR
{
namespace File
{
KeyValues Config::config;
//ENVVAR name: MRTRIX_CONFIGFILE
//ENVVAR This can be used to set the location of the system-wide
//ENVVAR configuration file. By default, this is ``/etc/mrtrix.conf``.
//ENVVAR This can be useful for deployments where access to the system's
//ENVVAR ``/etc`` folder is problematic, or to allow different versions of
//ENVVAR the software to have different configurations, etc.
void Config::init ()
{
const char* sysconf_location = getenv ("MRTRIX_CONFIGFILE");
if (!sysconf_location)
sysconf_location = MRTRIX_SYS_CONFIG_FILE;
if (Path::is_file (sysconf_location)) {
INFO (std::string("reading config file \"") + sysconf_location + "\"...");
try {
KeyValue::Reader kv (sysconf_location);
while (kv.next()) {
config[kv.key()] = kv.value();
}
}
catch (...) { }
} else {
DEBUG (std::string ("No config file found at \"") + sysconf_location + "\"");
}
std::string path = Path::join (Path::home(), MRTRIX_USER_CONFIG_FILE);
if (Path::is_file (path)) {
INFO ("reading config file \"" + path + "\"...");
try {
KeyValue::Reader kv (path);
while (kv.next()) {
config[kv.key()] = kv.value();
}
}
catch (...) { }
} else {
DEBUG ("No config file found at \"" + path + "\"");
}
auto opt = App::get_options ("config");
for (const auto& keyval : opt)
config[std::string(keyval[0])] = std::string(keyval[1]);
//CONF option: RealignTransform
//CONF default: 1 (true)
//CONF A boolean value to indicate whether all images should be realigned
//CONF to an approximately axial orientation at load.
Header::do_realign_transform = get_bool("RealignTransform", true);
}
bool Config::get_bool (const std::string& key, bool default_value)
{
std::string value = get (key);
if (value.empty())
return default_value;
try {
return to<bool> (value);
}
catch (...) {
WARN ("malformed boolean entry \"" + value + "\" for key \"" + key + "\" in configuration file - ignored");
return default_value;
}
}
int Config::get_int (const std::string& key, int default_value)
{
std::string value = get (key);
if (value.empty())
return default_value;
try {
return to<int> (value);
}
catch (...) {
WARN ("malformed integer entry \"" + value + "\" for key \"" + key + "\" in configuration file - ignored");
return default_value;
}
}
float Config::get_float (const std::string& key, float default_value)
{
std::string value = get (key);
if (value.empty())
return default_value;
try {
return to<float> (value);
}
catch (...) {
WARN ("malformed floating-point entry \"" + value + "\" for key \"" + key + "\" in configuration file - ignored");
return default_value;
}
}
void Config::get_RGB (const std::string& key, float* ret, float default_R, float default_G, float default_B)
{
std::string value = get (key);
if (value.size()) {
try {
vector<default_type> V (parse_floats (value));
if (V.size() < 3)
throw Exception ("malformed RGB entry \"" + value + "\" for key \"" + key + "\" in configuration file - ignored");
ret[0] = V[0];
ret[1] = V[1];
ret[2] = V[2];
}
catch (Exception) { }
}
else {
ret[0] = default_R;
ret[1] = default_G;
ret[2] = default_B;
}
}
}
}
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