src/global/vlp/ConfigurationFinder.cpp

   1 #include <string>
   2 #include <fstream>
   3
   4 #include <stdio.h>
   5
   6 #include "ConfigurationFinder.h"
   7 #include "config.h"
   8 #include "exception/ConfigFileNotFound.h"
   9
  10 namespace loglan {
  11 namespace vlp {
  12
  13 ConfigurationFinder::ConfigurationFinder()
  14 {
  15 }
  16
  17 std::string ConfigurationFinder::findConfig(std::string filename)
  18 {
  19         for (std::string dir : searchDirs) {
  20                 std::ifstream infile(dir + filename);
  21                 if (infile.good()) {
  22                         return dir + filename;
  23                 }
  24         }
  25
  26         throw exception::ConfigFileNotFound();
  27 }
  28
  29 /**
  30  * Gets path to system-wide settings directory
  31  *
  32  * @return directory of user settings
  33  */
  34 std::string ConfigurationFinder::getSystemConfigurationDir()
  35 {
  36         std::string dir(SYSCONFDIR);
  37
  38         dir += VLP_CONFIG_PATH_SEPARATOR;
  39         dir += "loglan";
  40         dir += VLP_CONFIG_PATH_SEPARATOR;
  41
  42         return dir;
  43 }
  44
  45
  46 void ConfigurationFinder::addSearchDir(std::string dir)
  47 {
  48         searchDirs.push_back(dir);
  49 }
  50
  51 void ConfigurationFinder::initSearchDirs()
  52 {
  53         searchDirs.clear();
  54
  55         addSearchDir("./");
  56         addSearchDir(getUserConfigurationDir());
  57         addSearchDir(getSystemConfigurationDir());
  58 }
  59
  60 }
  61 }