Point Cloud Library (PCL)  1.7.0
file_io.hpp
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38 
39 #ifndef PCL_COMMON_FILE_IO_IMPL_HPP_
40 #define PCL_COMMON_FILE_IO_IMPL_HPP_
41 
42 namespace pcl
43 {
44 
45 #ifndef _WIN32
46  void getAllPcdFilesInDirectory(const std::string& directory, std::vector<std::string>& file_names)
47  {
48  DIR *dp;
49  struct dirent *dirp;
50  if((dp = opendir(directory.c_str())) == NULL) {
51  std::cerr << "Could not open directory.\n";
52  return;
53  }
54  while ((dirp = readdir(dp)) != NULL) {
55  if (dirp->d_type == DT_REG) // Only regular files
56  {
57  std::string file_name = dirp->d_name;
58  if (file_name.substr(file_name.size()-4, 4)==".pcd")
59  file_names.push_back(dirp->d_name);
60  }
61  }
62  closedir(dp);
63  std::sort(file_names.begin(), file_names.end());
64  //for (unsigned int i=0; i<file_names.size(); ++i)
65  //cout << file_names[i]<<"\n";
66  }
67 #endif
68 
69 std::string getFilenameWithoutPath(const std::string& input)
70 {
71  size_t filename_start = input.find_last_of('/', static_cast<size_t>(-1)) + 1;
72  return input.substr(filename_start, input.size()-filename_start);
73 }
74 
75 std::string getFilenameWithoutExtension(const std::string& input)
76 {
77  size_t dot_position = input.find_last_of('.', input.size());
78  return input.substr(0, dot_position);
79 }
80 
81 std::string getFileExtension(const std::string& input)
82 {
83  size_t dot_position = input.find_last_of('.', input.size());
84  return input.substr(dot_position+1, input.size());
85 }
86 
87 } // namespace end
88 
89 #endif
90