From f3e2e07201c50033bf6c9d0c6a6f068557b4f17f Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Wed, 17 Apr 2013 13:43:52 -0400
Subject: runtime: converting runtime core to gr namespace, gnuradio include
dir.
---
gnuradio-runtime/lib/prefs.cc | 401 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 401 insertions(+)
create mode 100644 gnuradio-runtime/lib/prefs.cc
(limited to 'gnuradio-runtime/lib/prefs.cc')
diff --git a/gnuradio-runtime/lib/prefs.cc b/gnuradio-runtime/lib/prefs.cc
new file mode 100644
index 0000000000..468532f33b
--- /dev/null
+++ b/gnuradio-runtime/lib/prefs.cc
@@ -0,0 +1,401 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006,2013 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio 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, or (at your option)
+ * any later version.
+ *
+ * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gnuradio/prefs.h>
+#include <gnuradio/sys_paths.h>
+#include <gnuradio/constants.h>
+#include <algorithm>
+
+#include <boost/filesystem/operations.hpp>
+#include <boost/filesystem/path.hpp>
+#include <boost/filesystem/fstream.hpp>
+namespace fs = boost::filesystem;
+
+namespace gr {
+
+ /*
+ * Stub implementations
+ */
+ static prefs s_default_singleton;
+ static prefs *s_singleton = &s_default_singleton;
+
+ prefs *
+ prefs::singleton()
+ {
+ return s_singleton;
+ }
+
+ void
+ prefs::set_singleton(prefs *p)
+ {
+ s_singleton = p;
+ }
+
+ prefs::prefs()
+ {
+ _read_files();
+ }
+
+ prefs::~prefs()
+ {
+ // nop
+ }
+
+ std::vector<std::string>
+ prefs::_sys_prefs_filenames()
+ {
+ std::vector<std::string> fnames;
+
+ fs::path dir = prefsdir();
+ if(!fs::is_directory(dir))
+ return fnames;
+
+ fs::directory_iterator diritr(dir);
+ while(diritr != fs::directory_iterator()) {
+ fs::path p = *diritr++;
+ if(p.extension() != ".swp")
+ fnames.push_back(p.string());
+ }
+ std::sort(fnames.begin(), fnames.end());
+
+ // Find if there is a ~/.gnuradio/config.conf file and add this to
+ // the end of the file list to override any preferences in the
+ // installed path config files.
+ fs::path homedir = fs::path(gr::appdata_path());
+ homedir = homedir/".gnuradio/config.conf";
+ if(fs::exists(homedir)) {
+ fnames.push_back(homedir.string());
+ }
+
+ return fnames;
+ }
+
+ void
+ prefs::_read_files()
+ {
+ std::string config;
+
+ std::vector<std::string> filenames = _sys_prefs_filenames();
+ std::vector<std::string>::iterator sitr;
+ char tmp[1024];
+ for(sitr = filenames.begin(); sitr != filenames.end(); sitr++) {
+ fs::ifstream fin(*sitr);
+ while(!fin.eof()) {
+ fin.getline(tmp, 1024);
+ std::string t(tmp);
+ // ignore empty lines or lines of just comments
+ if((t.size() > 0) && (t[0] != '#')) {
+ // remove any comments in the line
+ size_t hash = t.find("#");
+
+ // Use hash marks at the end of each segment as a delimiter
+ config += t.substr(0, hash) + '#';
+ }
+ }
+ fin.close();
+ }
+
+ // Remove all whitespace.
+ config.erase(std::remove_if(config.begin(), config.end(),
+ ::isspace), config.end());
+
+ // Convert the string into a map
+ _convert_to_map(config);
+ }
+
+ void
+ prefs::_convert_to_map(const std::string &conf)
+ {
+ // Convert the string into an map of maps
+ // Map is structured as {section name: map of options}
+ // And options map is simply: {option name: option value}
+ std::string sub = conf;
+ size_t sec_start = sub.find("[");
+ while(sec_start != std::string::npos) {
+ sub = sub.substr(sec_start);
+
+ size_t sec_end = sub.find("]");
+ if(sec_end == std::string::npos)
+ throw std::runtime_error("Config file error: Mismatched section label.\n");
+
+ std::string sec = sub.substr(1, sec_end-1);
+ size_t next_sec_start = sub.find("[", sec_end);
+ std::string subsec = sub.substr(sec_end+1, next_sec_start-sec_end-2);
+
+ std::transform(sec.begin(), sec.end(), sec.begin(), ::tolower);
+
+ std::map<std::string, std::string> options_map = d_config_map[sec];
+ size_t next_opt = 0;
+ size_t next_val = 0;
+ next_opt = subsec.find("#");
+ while(next_opt < subsec.size()-1) {
+ next_val = subsec.find("=", next_opt);
+ std::string option = subsec.substr(next_opt+1, next_val-next_opt-1);
+
+ next_opt = subsec.find("#", next_val);
+ std::string value = subsec.substr(next_val+1, next_opt-next_val-1);
+
+ std::transform(option.begin(), option.end(), option.begin(), ::tolower);
+ options_map[option] = value;
+ }
+
+ d_config_map[sec] = options_map;
+
+ sec_start = sub.find("[", sec_end);
+ }
+ }
+
+ std::string
+ prefs::to_string()
+ {
+ config_map_itr sections;
+ config_map_elem_itr options;
+ std::stringstream s;
+
+ for(sections = d_config_map.begin(); sections != d_config_map.end(); sections++) {
+ s << "[" << sections->first << "]" << std::endl;
+ for(options = sections->second.begin(); options != sections->second.end(); options++) {
+ s << options->first << " = " << options->second << std::endl;
+ }
+ s << std::endl;
+ }
+
+ return s.str();
+ }
+
+ void
+ prefs::save()
+ {
+ std::string conf = to_string();
+
+ fs::path homedir = fs::path(gr::appdata_path());
+ homedir = homedir/".gnuradio/config.conf";
+ fs::ofstream fout(homedir);
+ fout << conf;
+ fout.close();
+ }
+
+ char *
+ prefs::option_to_env(std::string section, std::string option)
+ {
+ std::stringstream envname;
+ std::string secname=section, optname=option;
+
+ std::transform(section.begin(), section.end(), secname.begin(), ::toupper);
+ std::transform(option.begin(), option.end(), optname.begin(), ::toupper);
+ envname << "GR_CONF_" << secname << "_" << optname;
+
+ return getenv(envname.str().c_str());
+ }
+
+ bool
+ prefs::has_section(const std::string §ion)
+ {
+ std::string s = section;
+ std::transform(section.begin(), section.end(), s.begin(), ::tolower);
+ return d_config_map.count(s) > 0;
+ }
+
+ bool
+ prefs::has_option(const std::string §ion, const std::string &option)
+ {
+ if(option_to_env(section, option))
+ return true;
+
+ if(has_section(section)) {
+ std::string s = section;
+ std::transform(section.begin(), section.end(), s.begin(), ::tolower);
+
+ std::string o = option;
+ std::transform(option.begin(), option.end(), o.begin(), ::tolower);
+
+ config_map_itr sec = d_config_map.find(s);
+ return sec->second.count(o) > 0;
+ }
+ else {
+ return false;
+ }
+ }
+
+ const std::string
+ prefs::get_string(const std::string §ion, const std::string &option,
+ const std::string &default_val)
+ {
+ char *env = option_to_env(section, option);
+ if(env)
+ return std::string(env);
+
+ if(has_option(section, option)) {
+ std::string s = section;
+ std::transform(section.begin(), section.end(), s.begin(), ::tolower);
+
+ std::string o = option;
+ std::transform(option.begin(), option.end(), o.begin(), ::tolower);
+
+ config_map_itr sec = d_config_map.find(s);
+ config_map_elem_itr opt = sec->second.find(o);
+ return opt->second;
+ }
+ else {
+ return default_val;
+ }
+ }
+
+ void
+ prefs::set_string(const std::string §ion, const std::string &option,
+ const std::string &val)
+ {
+ std::string s = section;
+ std::transform(section.begin(), section.end(), s.begin(), ::tolower);
+
+ std::string o = option;
+ std::transform(option.begin(), option.end(), o.begin(), ::tolower);
+
+ std::map<std::string, std::string> opt_map = d_config_map[s];
+
+ opt_map[o] = val;
+
+ d_config_map[s] = opt_map;
+ }
+
+ bool
+ prefs::get_bool(const std::string §ion, const std::string &option,
+ bool default_val)
+ {
+ if(has_option(section, option)) {
+ std::string str = get_string(section, option, "");
+ if(str == "") {
+ return default_val;
+ }
+ std::transform(str.begin(), str.end(), str.begin(), ::tolower);
+ if((str == "true") || (str == "on") || (str == "1"))
+ return true;
+ else if((str == "false") || (str == "off") || (str == "0"))
+ return false;
+ else
+ return default_val;
+ }
+ else {
+ return default_val;
+ }
+ }
+
+ void
+ prefs::set_bool(const std::string §ion, const std::string &option,
+ bool val)
+ {
+ std::string s = section;
+ std::transform(section.begin(), section.end(), s.begin(), ::tolower);
+
+ std::string o = option;
+ std::transform(option.begin(), option.end(), o.begin(), ::tolower);
+
+ std::map<std::string, std::string> opt_map = d_config_map[s];
+
+ std::stringstream sstr;
+ sstr << (val == true);
+ opt_map[o] = sstr.str();
+
+ d_config_map[s] = opt_map;
+ }
+
+ long
+ prefs::get_long(const std::string §ion, const std::string &option,
+ long default_val)
+ {
+ if(has_option(section, option)) {
+ std::string str = get_string(section, option, "");
+ if(str == "") {
+ return default_val;
+ }
+ std::stringstream sstr(str);
+ long n;
+ sstr >> n;
+ return n;
+ }
+ else {
+ return default_val;
+ }
+ }
+
+ void
+ prefs::set_long(const std::string §ion, const std::string &option,
+ long val)
+ {
+ std::string s = section;
+ std::transform(section.begin(), section.end(), s.begin(), ::tolower);
+
+ std::string o = option;
+ std::transform(option.begin(), option.end(), o.begin(), ::tolower);
+
+ std::map<std::string, std::string> opt_map = d_config_map[s];
+
+ std::stringstream sstr;
+ sstr << val;
+ opt_map[o] = sstr.str();
+
+ d_config_map[s] = opt_map;
+ }
+
+ double
+ prefs::get_double(const std::string §ion, const std::string &option,
+ double default_val)
+ {
+ if(has_option(section, option)) {
+ std::string str = get_string(section, option, "");
+ if(str == "") {
+ return default_val;
+ }
+ std::stringstream sstr(str);
+ double n;
+ sstr >> n;
+ return n;
+ }
+ else {
+ return default_val;
+ }
+ }
+
+ void
+ prefs::set_double(const std::string §ion, const std::string &option,
+ double val)
+ {
+ std::string s = section;
+ std::transform(section.begin(), section.end(), s.begin(), ::tolower);
+
+ std::string o = option;
+ std::transform(option.begin(), option.end(), o.begin(), ::tolower);
+
+ std::map<std::string, std::string> opt_map = d_config_map[s];
+
+ std::stringstream sstr;
+ sstr << val;
+ opt_map[o] = sstr.str();
+
+ d_config_map[s] = opt_map;
+ }
+
+} /* namespace gr */
--
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