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Diffstat (limited to 'src/third_party/boost-1.69.0/libs/filesystem/src/portability.cpp')
-rw-r--r-- | src/third_party/boost-1.69.0/libs/filesystem/src/portability.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/libs/filesystem/src/portability.cpp b/src/third_party/boost-1.69.0/libs/filesystem/src/portability.cpp new file mode 100644 index 00000000000..b1a1352d9a9 --- /dev/null +++ b/src/third_party/boost-1.69.0/libs/filesystem/src/portability.cpp @@ -0,0 +1,119 @@ +// portability.cpp -------------------------------------------------------------------// + +// Copyright 2002-2005 Beman Dawes +// Use, modification, and distribution is subject to the Boost Software +// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy +// at http://www.boost.org/LICENSE_1_0.txt) + +// See library home page at http://www.boost.org/libs/filesystem + +//--------------------------------------------------------------------------------------// + +// define BOOST_FILESYSTEM_SOURCE so that <boost/filesystem/config.hpp> knows +// the library is being built (possibly exporting rather than importing code) +#define BOOST_FILESYSTEM_SOURCE + +#ifndef BOOST_SYSTEM_NO_DEPRECATED +# define BOOST_SYSTEM_NO_DEPRECATED +#endif + +#include <boost/filesystem/config.hpp> +#include <boost/filesystem/path.hpp> + +namespace fs = boost::filesystem; + +#include <cstring> // SGI MIPSpro compilers need this + +# ifdef BOOST_NO_STDC_NAMESPACE + namespace std { using ::strerror; } +# endif + +//--------------------------------------------------------------------------------------// + +namespace +{ + const char invalid_chars[] = + "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F" + "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F" + "<>:\"/\\|"; + // note that the terminating '\0' is part of the string - thus the size below + // is sizeof(invalid_chars) rather than sizeof(invalid_chars)-1. I + const std::string windows_invalid_chars(invalid_chars, sizeof(invalid_chars)); + + const std::string valid_posix( + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._-"); + +} // unnamed namespace + +namespace boost +{ + namespace filesystem + { + + // name_check functions ----------------------------------------------// + +# ifdef BOOST_WINDOWS + BOOST_FILESYSTEM_DECL bool native(const std::string & name) + { + return windows_name(name); + } +# else + BOOST_FILESYSTEM_DECL bool native(const std::string & name) + { + return name.size() != 0 + && name[0] != ' ' + && name.find('/') == std::string::npos; + } +# endif + + BOOST_FILESYSTEM_DECL bool portable_posix_name(const std::string & name) + { + return name.size() != 0 + && name.find_first_not_of(valid_posix) == std::string::npos; + } + + BOOST_FILESYSTEM_DECL bool windows_name(const std::string & name) + { + return name.size() != 0 + && name[0] != ' ' + && name.find_first_of(windows_invalid_chars) == std::string::npos + && *(name.end()-1) != ' ' + && (*(name.end()-1) != '.' + || name.length() == 1 || name == ".."); + } + + BOOST_FILESYSTEM_DECL bool portable_name(const std::string & name) + { + return + name.size() != 0 + && (name == "." + || name == ".." + || (windows_name(name) + && portable_posix_name(name) + && name[0] != '.' && name[0] != '-')); + } + + BOOST_FILESYSTEM_DECL bool portable_directory_name(const std::string & name) + { + return + name == "." + || name == ".." + || (portable_name(name) + && name.find('.') == std::string::npos); + } + + BOOST_FILESYSTEM_DECL bool portable_file_name(const std::string & name) + { + std::string::size_type pos; + return + portable_name(name) + && name != "." + && name != ".." + && ((pos = name.find('.')) == std::string::npos + || (name.find('.', pos+1) == std::string::npos + && (pos + 5) > name.length())) + ; + } + + } // namespace filesystem +} // namespace boost |