File.cc 3.0 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. #include "File.h"
  36. #include "Util.h"
  37. #include <sys/types.h>
  38. #include <sys/stat.h>
  39. #include <unistd.h>
  40. File::File(const string& name):name(name) {}
  41. File::~File() {}
  42. int File::fillStat(struct stat& fstat) {
  43. return stat(name.c_str(), &fstat);
  44. }
  45. bool File::exists() {
  46. struct stat fstat;
  47. return fillStat(fstat) == 0;
  48. }
  49. bool File::isFile() {
  50. struct stat fstat;
  51. if(fillStat(fstat) < 0) {
  52. return false;
  53. }
  54. return S_ISREG(fstat.st_mode) == 1;
  55. }
  56. bool File::isDir() {
  57. struct stat fstat;
  58. if(fillStat(fstat) < 0) {
  59. return false;
  60. }
  61. return S_ISDIR(fstat.st_mode) == 1;
  62. }
  63. bool File::remove() {
  64. if(isFile()) {
  65. return unlink(name.c_str()) == 0;
  66. } else if(isDir()) {
  67. return rmdir(name.c_str()) == 0;
  68. } else {
  69. return false;
  70. }
  71. }
  72. int64_t File::size() {
  73. struct stat fstat;
  74. if(fillStat(fstat) < 0) {
  75. return 0;
  76. }
  77. return fstat.st_size;
  78. }
  79. bool File::mkdirs() {
  80. if(isDir()) {
  81. return false;
  82. }
  83. Strings dirs;
  84. Util::slice(dirs, name, '/');
  85. if(!dirs.size()) {
  86. return true;
  87. }
  88. string accDir;
  89. if(Util::startsWith(name, "/")) {
  90. accDir = "/";
  91. }
  92. for(Strings::const_iterator itr = dirs.begin(); itr != dirs.end();
  93. itr++, accDir += "/") {
  94. accDir += *itr;
  95. if(File(accDir).isDir()) {
  96. continue;
  97. }
  98. if(mkdir(accDir.c_str(), DIR_OPEN_MODE) == -1) {
  99. return false;
  100. }
  101. }
  102. return true;
  103. }
  104. mode_t File::mode()
  105. {
  106. struct stat fstat;
  107. if(fillStat(fstat) < 0) {
  108. return 0;
  109. }
  110. return fstat.st_mode;
  111. }