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author | David Robillard <d@drobilla.net> | 2020-08-01 22:41:11 +0200 |
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committer | David Robillard <d@drobilla.net> | 2020-08-02 01:48:48 +0200 |
commit | c0f567d3232cbe165e56cb2684cda52df7cfb90f (patch) | |
tree | 3ffbe6df3f2056fd579a954e00f0bea49b47104e /include/ingen/filesystem.hpp | |
parent | 9eadae8edc7a35f87499f58c3e3b9cec68f74a80 (diff) | |
download | ingen-c0f567d3232cbe165e56cb2684cda52df7cfb90f.tar.gz ingen-c0f567d3232cbe165e56cb2684cda52df7cfb90f.tar.bz2 ingen-c0f567d3232cbe165e56cb2684cda52df7cfb90f.zip |
Move public headers to a separate include directory
This is more conventional and probably best practice (since it avoids polluting
the include path with non-headers), and is supported by the clang-tidy
llvm-header-guard check.
Diffstat (limited to 'include/ingen/filesystem.hpp')
-rw-r--r-- | include/ingen/filesystem.hpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/include/ingen/filesystem.hpp b/include/ingen/filesystem.hpp new file mode 100644 index 00000000..44b9148e --- /dev/null +++ b/include/ingen/filesystem.hpp @@ -0,0 +1,85 @@ +/* + This file is part of Ingen. + Copyright 2007-2017 David Robillard <http://drobilla.net/> + + Ingen is free software: you can redistribute it and/or modify it under the + terms of the GNU Affero General Public License as published by the Free + Software Foundation, either version 3 of the License, or any later version. + + Ingen 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 Affero General Public License for details. + + You should have received a copy of the GNU Affero General Public License + along with Ingen. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef INGEN_FILESYSTEM_HPP +#define INGEN_FILESYSTEM_HPP + +#define _BSD_SOURCE 1 +#define _DEFAULT_SOURCE 1 + +#include "ingen/FilePath.hpp" + +#ifdef _WIN32 +# include <windows.h> +# include <io.h> +# define F_OK 0 +# define mkdir(path, flags) _mkdir(path) +#endif + +#include <cerrno> +#include <climits> +#include <cstdlib> +#include <memory> +#include <sys/stat.h> +#include <sys/types.h> +#include <vector> + +/* A minimal subset of the std::filesystem API from C++17. */ + +namespace ingen { +namespace filesystem { + +inline bool exists(const FilePath& path) +{ + return !access(path.c_str(), F_OK); +} + +inline bool is_directory(const FilePath& path) +{ + struct stat info{}; + stat(path.c_str(), &info); + return S_ISDIR(info.st_mode); +} + +inline bool create_directories(const FilePath& path) +{ + std::vector<FilePath> paths; + for (FilePath p = path; p != path.root_directory(); p = p.parent_path()) { + paths.emplace_back(p); + } + + for (auto p = paths.rbegin(); p != paths.rend(); ++p) { + if (mkdir(p->c_str(), 0755) && errno != EEXIST) { + return false; + } + } + + return true; +} + +inline FilePath current_path() +{ + struct Freer { void operator()(char* const ptr) { free(ptr); } }; + + std::unique_ptr<char, Freer> cpath(realpath(".", nullptr)); + + return FilePath(cpath.get()); +} + +} // namespace filesystem +} // namespace ingen + +#endif // INGEN_FILESYSTEM_HPP |