diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/image_content.cc | 4 | ||||
| -rw-r--r-- | src/lib/image_filename_sorter.cc | 62 |
2 files changed, 65 insertions, 1 deletions
diff --git a/src/lib/image_content.cc b/src/lib/image_content.cc index eb8b35210..a9cb148c2 100644 --- a/src/lib/image_content.cc +++ b/src/lib/image_content.cc @@ -29,6 +29,8 @@ #include "i18n.h" +#include "image_filename_sorter.cc" + using std::string; using std::cout; using boost::shared_ptr; @@ -57,7 +59,7 @@ ImageContent::ImageContent (shared_ptr<const Film> f, boost::filesystem::path p) throw FileError (_("No valid image files were found in the folder."), p); } - sort (_paths.begin(), _paths.end()); + sort (_paths.begin(), _paths.end(), ImageFilenameSorter ()); } if (have_j2k) { diff --git a/src/lib/image_filename_sorter.cc b/src/lib/image_filename_sorter.cc new file mode 100644 index 000000000..72f67e615 --- /dev/null +++ b/src/lib/image_filename_sorter.cc @@ -0,0 +1,62 @@ +/* + Copyright (C) 2015 Carl Hetherington <cth@carlh.net> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include <iostream> +#include <boost/filesystem.hpp> +#include <boost/optional.hpp> +#include <libdcp/raw_convert.h> + +class ImageFilenameSorter +{ +public: + bool operator() (boost::filesystem::path a, boost::filesystem::path b) + { + boost::optional<int> na = extract_number (a); + boost::optional<int> nb = extract_number (b); + if (!na || !nb) { + std::cout << a << " " << b << " " << (a.string() < b.string()) << "\n"; + return a.string() < b.string(); + } + + return na.get() < nb.get(); + } + +private: + boost::optional<int> extract_number (boost::filesystem::path p) + { + p = p.leaf (); + + std::string number; + for (size_t i = 0; i < p.string().size(); ++i) { + if (isdigit (p.string()[i])) { + number += p.string()[i]; + } else { + if (!number.empty ()) { + break; + } + } + } + + if (number.empty ()) { + return boost::optional<int> (); + } + + return libdcp::raw_convert<int> (number); + } +}; |
