git.sesse.net Git - casparcg/blob - common/env.cpp

   1 /*\r
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 * This file is part of CasparCG (www.casparcg.com).\r
   5 *\r
   6 * CasparCG is free software: you can redistribute it and/or modify\r
   7 * it under the terms of the GNU General Public License as published by\r
   8 * the Free Software Foundation, either version 3 of the License, or\r
   9 * (at your option) any later version.\r
  10 *\r
  11 * CasparCG is distributed in the hope that it will be useful,\r
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14 * GNU General Public License for more details.\r
  15 *\r
  16 * You should have received a copy of the GNU General Public License\r
  17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
  18 *\r
  19 * Author: Robert Nagy, ronag89@gmail.com\r
  20 */\r
  21 \r
  22 #include "stdafx.h"\r
  23 \r
  24 #include "env.h"\r
  25 \r
  26 #include "../version.h"\r
  27 \r
  28 #include "log.h"\r
  29 #include "exception/exceptions.h"\r
  30 #include "string.h"\r
  31 \r
  32 #include <boost/property_tree/ptree.hpp>\r
  33 #include <boost/property_tree/xml_parser.hpp>\r
  34 #include <boost/filesystem.hpp>\r
  35 #include <boost/thread/once.hpp>\r
  36 \r
  37 #include <functional>\r
  38 #include <iostream>\r
  39 \r
  40 namespace caspar { namespace env {\r
  41         \r
  42 std::wstring media;\r
  43 std::wstring log;\r
  44 std::wstring ftemplate;\r
  45 std::wstring data;\r
  46 boost::property_tree::wptree pt;\r
  47 \r
  48 void check_is_configured()\r
  49 {\r
  50         if(pt.empty())\r
  51                 BOOST_THROW_EXCEPTION(invalid_operation() << wmsg_info(L"Enviroment properties has not been configured"));\r
  52 }\r
  53 \r
  54 void configure(const std::wstring& filename)\r
  55 {\r
  56         try\r
  57         {\r
  58                 auto initialPath = boost::filesystem3::initial_path().wstring();\r
  59         \r
  60                 std::wifstream file(initialPath + L"\\" + filename);\r
  61                 boost::property_tree::read_xml(file, pt, boost::property_tree::xml_parser::trim_whitespace | boost::property_tree::xml_parser::no_comments);\r
  62 \r
  63                 auto paths      = pt.get_child(L"configuration.paths");\r
  64                 media           = paths.get(L"media-path", initialPath + L"\\media\\");\r
  65                 log                     = paths.get(L"log-path", initialPath + L"\\log\\");\r
  66                 ftemplate       = boost::filesystem3::complete(paths.get(L"template-path", initialPath + L"\\template\\")).wstring();           \r
  67                 data            = paths.get(L"data-path", initialPath + L"\\data\\");\r
  68         }\r
  69         catch(...)\r
  70         {\r
  71                 CASPAR_LOG(error) << L" ### Invalid configuration file. ###";\r
  72                 throw;\r
  73         }\r
  74 \r
  75         try\r
  76         {\r
  77                 auto media_path = boost::filesystem::wpath(media);\r
  78                 if(!boost::filesystem::exists(media_path))\r
  79                         boost::filesystem::create_directory(media_path);\r
  80                 \r
  81                 auto log_path = boost::filesystem::wpath(log);\r
  82                 if(!boost::filesystem::exists(log_path))\r
  83                         boost::filesystem::create_directory(log_path);\r
  84                 \r
  85                 auto template_path = boost::filesystem::wpath(ftemplate);\r
  86                 if(!boost::filesystem::exists(template_path))\r
  87                         boost::filesystem::create_directory(template_path);\r
  88                 \r
  89                 auto data_path = boost::filesystem::wpath(data);\r
  90                 if(!boost::filesystem::exists(data_path))\r
  91                         boost::filesystem::create_directory(data_path);\r
  92         }\r
  93         catch(...)\r
  94         {\r
  95                 CASPAR_LOG_CURRENT_EXCEPTION();\r
  96                 CASPAR_LOG(error) << L"Failed to create configured directories.";\r
  97         }\r
  98 }\r
  99         \r
 100 const std::wstring& media_folder()\r
 101 {\r
 102         check_is_configured();\r
 103         return media;\r
 104 }\r
 105 \r
 106 const std::wstring& log_folder()\r
 107 {\r
 108         check_is_configured();\r
 109         return log;\r
 110 }\r
 111 \r
 112 const std::wstring& template_folder()\r
 113 {\r
 114         check_is_configured();\r
 115         return ftemplate;\r
 116 }\r
 117 \r
 118 const std::wstring& data_folder()\r
 119 {\r
 120         check_is_configured();\r
 121         return data;\r
 122 }\r
 123 \r
 124 const std::wstring& version()\r
 125 {\r
 126         static std::wstring ver = std::wstring(L"") + CASPAR_GEN + L"." + CASPAR_MAYOR + L"." + CASPAR_MINOR + L"." + CASPAR_REV + L" " + CASPAR_TAG;\r
 127         return ver;\r
 128 }\r
 129 \r
 130 const boost::property_tree::wptree& properties()\r
 131 {\r
 132         check_is_configured();\r
 133         return pt;\r
 134 }\r
 135 \r
 136 }}