creaImageIOSettings.cpp

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#include <creaImageIOSettings.h>
#include <boost/filesystem/fstream.hpp>
#include <boost/algorithm/string/replace.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/filesystem/operations.hpp>

#include <iostream>
#include <fstream>

// Memory tracking allocation
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
using namespace boost;
namespace po = boost::program_options;

namespace creaImageIO
{
    Settings::Settings(const std::string i_path)
    {
        //need to position path in user directory first.
        m_SettingsFileName = i_path + "\\.creaImageIO\\share\\creaImageIO\\app.config";
        //Test if Settings File exist
        if(!boost::filesystem::exists(m_SettingsFileName) )
        {
            createFile();
        }
        std::ifstream ifs(m_SettingsFileName.c_str());
                std::string line;
                std::string sets;
            if (ifs.is_open())
                {
                        while (! ifs.eof() )
                        {
                                getline(ifs,line);
                                sets += line;
                        }
                        ifs.close();
                }
        std::vector<std::string> Keys;
                Keys.push_back(SETTINGS_SYNC_EVENT);
                Keys.push_back(SETTINGS_DBPATH);
                Keys.push_back(SETTINGS_SYNC_FREQ);
                Keys.push_back(SETTINGS_COPY_PATH);
                Keys.push_back(SETTINGS_REMOVE_PATIENT_DISPLAY);
                Keys.push_back(SETTINGS_OUTPUT_ASK);
                Keys.push_back(SETTINGS_OUTPUT_DIM);
                readSettings(Keys, sets);

    }

    Settings::~Settings()
    {
        
    }


    // create the config file                                                                                 //
    //@param : -                                                                                               //
    // return  : -                                                                                                // 
   void Settings::createFile()
   {
       m_SettingsMap[SETTINGS_SYNC_FREQ] = "12";
       m_SettingsMap[SETTINGS_SYNC_EVENT] = "end";
       m_SettingsMap[SETTINGS_DBPATH] = "";
       m_SettingsMap[SETTINGS_DICOM_LIBRARY] = "gdcm";
           m_SettingsMap[SETTINGS_COPY_PATH] = m_SettingsFileName.substr(0,m_SettingsFileName.find_last_of('\\')+1)+"Copied files";
           m_SettingsMap[SETTINGS_REMOVE_PATIENT_DISPLAY] = "0";
           m_SettingsMap[SETTINGS_OUTPUT_ASK] ="true";
           m_SettingsMap[SETTINGS_OUTPUT_DIM] = "1";
       writeSettingsFile();
   }

    // read Settings from config file                                                             //
    // @param i_keys : list of keys                                                               //
    // @param  i_file : text from config file                                                     //
        // return : -
        void Settings::readSettings(std::vector<std::string> &i_Keys, const std::string &i_file)
        {
                std::vector<std::string>::iterator it_key = i_Keys.begin();
                for(;  it_key< i_Keys.end(); ++it_key)
                {
                        size_t fpos = i_file.find(it_key->c_str());
                        size_t lpos = i_file.rfind(it_key->c_str());
                        if(fpos != std::string::npos && lpos != std::string::npos)
                        {
                                m_SettingsMap[it_key->c_str()] = i_file.substr(fpos + it_key->size(),lpos-fpos - it_key->size());
                        }
                }
        }

    // Update settings in config file                                                             //
    // @param key : Key to update                                                                 //
    // @param value: New value to set                                                             //
        // return : -
        void Settings::updateSetting(const std::string& key, const std::string &val)
        {
                m_SettingsMap[key.c_str()] = val;
        }

    // add a path to a DB                                                                                     //
    // @param i_path : DB path to add                                                             //
    // return : -                                                                                                                                                                 //
        void Settings::addDB(const std::string &i_path)
        {
                if(m_SettingsMap[SETTINGS_DBPATH].find(i_path) == std::string::npos)
                {
                        m_SettingsMap[SETTINGS_DBPATH] += i_path + ";";
                }
        }

    // remove a path to a DB                                                                              //
    // @param i_path : DB path to delete (don't exist anymore)                                    //
    // return : -
        
        void Settings::removeDB(const std::string &i_path)
        {
                boost::algorithm::replace_all(m_SettingsMap[SETTINGS_DBPATH],i_path + ";","");
        }

    // write Settings buffer from                                                                //
    // @param o_file : settings buffer                                                           //
    //                                                                                                                                                                                   //
        // return : -                                                                                                                                                            //
        void Settings::writeSettings(std::ofstream &o_file)
        {
                std::map<std::string, std::string>::iterator it_map = m_SettingsMap.begin();
                std::stringstream st;
                for(; it_map != m_SettingsMap.end(); ++it_map)
                {
                        o_file << it_map->first.c_str();
                        o_file <<  it_map->second.c_str();
                        o_file << it_map->first.c_str();
                        o_file << std::endl;
                }
        }

    // write Settings file                                                             //
    // @param : -                                                               //
    // return : -
        void Settings::writeSettingsFile()
        {       
            std::ofstream ofs(m_SettingsFileName.c_str());
                ofs.clear();
                writeSettings(ofs);
                ofs.close();
        }  
}