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 "exception/exceptions.h"\r
  29 #include "log/log.h"\r
  30 #include "utility/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 using namespace boost::filesystem2;\r
  43 \r
  44 std::wstring media;\r
  45 std::wstring log;\r
  46 std::wstring ftemplate;\r
  47 std::wstring data;\r
  48 boost::property_tree::wptree pt;\r
  49 \r
  50 void check_is_configured()\r
  51 {\r
  52         if(pt.empty())\r
  53                 BOOST_THROW_EXCEPTION(invalid_operation() << msg_info("Enviroment properties has not been configured"));\r
  54 }\r
  55 \r
  56 void configure(const std::wstring& filename)\r
  57 {\r
  58         try\r
  59         {\r
  60                 auto initialPath = boost::filesystem::initial_path<boost::filesystem2::wpath>().file_string();\r
  61         \r
  62                 std::wifstream file(initialPath + L"\\" + filename);\r
  63                 boost::property_tree::read_xml(file, pt, boost::property_tree::xml_parser::trim_whitespace | boost::property_tree::xml_parser::no_comments);\r
  64 \r
  65                 auto paths = pt.get_child(L"configuration.paths");\r
  66                 media = widen(paths.get(L"media-path", initialPath + L"\\media\\"));\r
  67                 log = widen(paths.get(L"log-path", initialPath + L"\\log\\"));\r
  68                 ftemplate = complete(wpath(widen(paths.get(L"template-path", initialPath + L"\\template\\")))).string();                \r
  69                 data = widen(paths.get(L"data-path", initialPath + L"\\data\\"));\r
  70         }\r
  71         catch(...)\r
  72         {\r
  73                 std::wcout << L" ### Invalid configuration file. ###";\r
  74                 throw;\r
  75         }\r
  76 \r
  77         try\r
  78         {\r
  79                 auto media_path = boost::filesystem::wpath(media);\r
  80                 if(!boost::filesystem::exists(media_path))\r
  81                         boost::filesystem::create_directory(media_path);\r
  82                 \r
  83                 auto log_path = boost::filesystem::wpath(log);\r
  84                 if(!boost::filesystem::exists(log_path))\r
  85                         boost::filesystem::create_directory(log_path);\r
  86                 \r
  87                 auto template_path = boost::filesystem::wpath(ftemplate);\r
  88                 if(!boost::filesystem::exists(template_path))\r
  89                         boost::filesystem::create_directory(template_path);\r
  90                 \r
  91                 auto data_path = boost::filesystem::wpath(data);\r
  92                 if(!boost::filesystem::exists(data_path))\r
  93                         boost::filesystem::create_directory(data_path);\r
  94         }\r
  95         catch(...)\r
  96         {\r
  97                 CASPAR_LOG_CURRENT_EXCEPTION();\r
  98                 CASPAR_LOG(error) << L"Failed to create configured directories.";\r
  99         }\r
 100 }\r
 101         \r
 102 const std::wstring& media_folder()\r
 103 {\r
 104         check_is_configured();\r
 105         return media;\r
 106 }\r
 107 \r
 108 const std::wstring& log_folder()\r
 109 {\r
 110         check_is_configured();\r
 111         return log;\r
 112 }\r
 113 \r
 114 const std::wstring& template_folder()\r
 115 {\r
 116         check_is_configured();\r
 117         return ftemplate;\r
 118 }\r
 119 \r
 120 const std::wstring& data_folder()\r
 121 {\r
 122         check_is_configured();\r
 123         return data;\r
 124 }\r
 125 \r
 126 const std::wstring& version()\r
 127 {\r
 128         static std::wstring ver = std::wstring(L"") + CASPAR_GEN + L"." + CASPAR_MAYOR + L"." + CASPAR_MINOR + L"." + CASPAR_REV + L" " + CASPAR_TAG;\r
 129         return ver;\r
 130 }\r
 131 \r
 132 const boost::property_tree::wptree& properties()\r
 133 {\r
 134         check_is_configured();\r
 135         return pt;\r
 136 }\r
 137 \r
 138 }}