FeatureConfig.h 3.2 KB

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  1. /* <!-- copyright */
  2. /*
  3. * aria2 - The high speed download utility
  4. *
  5. * Copyright (C) 2006 Tatsuhiro Tsujikawa
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; either version 2 of the License, or
  10. * (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20. *
  21. * In addition, as a special exception, the copyright holders give
  22. * permission to link the code of portions of this program with the
  23. * OpenSSL library under certain conditions as described in each
  24. * individual source file, and distribute linked combinations
  25. * including the two.
  26. * You must obey the GNU General Public License in all respects
  27. * for all of the code used other than OpenSSL. If you modify
  28. * file(s) with this exception, you may extend this exception to your
  29. * version of the file(s), but you are not obligated to do so. If you
  30. * do not wish to do so, delete this exception statement from your
  31. * version. If you delete this exception statement from all source
  32. * files in the program, then also delete it here.
  33. */
  34. /* copyright --> */
  35. #ifndef _D_FEATURE_CONFIG_H_
  36. #define _D_FEATURE_CONFIG_H_
  37. #include "common.h"
  38. #include <map>
  39. #include <string>
  40. #include <deque>
  41. namespace aria2 {
  42. typedef std::map<std::string, int32_t> PortMap;
  43. typedef std::map<std::string, bool> FeatureMap;
  44. class FeatureConfig {
  45. private:
  46. static FeatureConfig* featureConfig;
  47. PortMap defaultPorts;
  48. FeatureMap supportedFeatures;
  49. std::deque<std::string> features;
  50. FeatureConfig();
  51. ~FeatureConfig() {}
  52. public:
  53. static FeatureConfig* getInstance() {
  54. if(!featureConfig) {
  55. featureConfig = new FeatureConfig();
  56. }
  57. return featureConfig;
  58. }
  59. static void release() {
  60. delete featureConfig;
  61. featureConfig = 0;
  62. }
  63. int32_t getDefaultPort(const std::string& protocol) const {
  64. PortMap::const_iterator itr = defaultPorts.find(protocol);
  65. if(itr == defaultPorts.end()) {
  66. return 0;
  67. } else {
  68. return itr->second;
  69. }
  70. }
  71. bool isSupported(const std::string& feature) const {
  72. FeatureMap::const_iterator itr = supportedFeatures.find(feature);
  73. if(itr == supportedFeatures.end()) {
  74. return false;
  75. } else {
  76. return itr->second;
  77. }
  78. }
  79. const std::deque<std::string>& getFeatures() const {
  80. return features;
  81. }
  82. std::string getConfigurationSummary() const {
  83. std::string summary;
  84. for(std::deque<std::string>::const_iterator itr = features.begin();
  85. itr != features.end(); itr++) {
  86. summary += *itr;
  87. if(isSupported(*itr)) {
  88. summary += ": yes";
  89. } else {
  90. summary += ": no";
  91. }
  92. summary += "\n";
  93. }
  94. return summary;
  95. }
  96. };
  97. } // namespace aria2
  98. #endif // _D_FEATURE_CONFIG_H_