xref: /minix3/external/bsd/kyua-cli/dist/utils/fs/exceptions.hpp (revision 84d9c625bfea59e274550651111ae9edfdc40fbd)
111be35a1SLionel Sambuc // Copyright 2010 Google Inc.
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2811be35a1SLionel Sambuc 
2911be35a1SLionel Sambuc /// \file utils/fs/exceptions.hpp
3011be35a1SLionel Sambuc /// Exception types raised by the fs module.
3111be35a1SLionel Sambuc 
3211be35a1SLionel Sambuc #if !defined(UTILS_FS_EXCEPTIONS_HPP)
3311be35a1SLionel Sambuc #define UTILS_FS_EXCEPTIONS_HPP
3411be35a1SLionel Sambuc 
3511be35a1SLionel Sambuc #include <stdexcept>
36*84d9c625SLionel Sambuc #include <string>
3711be35a1SLionel Sambuc 
3811be35a1SLionel Sambuc namespace utils {
3911be35a1SLionel Sambuc namespace fs {
4011be35a1SLionel Sambuc 
4111be35a1SLionel Sambuc 
4211be35a1SLionel Sambuc /// Base exception for fs errors.
4311be35a1SLionel Sambuc class error : public std::runtime_error {
4411be35a1SLionel Sambuc public:
4511be35a1SLionel Sambuc     explicit error(const std::string&);
4611be35a1SLionel Sambuc     virtual ~error(void) throw();
4711be35a1SLionel Sambuc };
4811be35a1SLionel Sambuc 
4911be35a1SLionel Sambuc 
5011be35a1SLionel Sambuc /// Error denoting an invalid path while constructing a fs::path object.
5111be35a1SLionel Sambuc class invalid_path_error : public error {
5211be35a1SLionel Sambuc     /// Raw value of the invalid path.
5311be35a1SLionel Sambuc     std::string _textual_path;
5411be35a1SLionel Sambuc 
5511be35a1SLionel Sambuc public:
5611be35a1SLionel Sambuc     explicit invalid_path_error(const std::string&, const std::string&);
5711be35a1SLionel Sambuc     virtual ~invalid_path_error(void) throw();
5811be35a1SLionel Sambuc 
5911be35a1SLionel Sambuc     const std::string& invalid_path(void) const;
6011be35a1SLionel Sambuc };
6111be35a1SLionel Sambuc 
6211be35a1SLionel Sambuc 
6311be35a1SLionel Sambuc /// Paths cannot be joined.
6411be35a1SLionel Sambuc class join_error : public error {
6511be35a1SLionel Sambuc     /// Raw value of the first path in the join operation.
6611be35a1SLionel Sambuc     std::string _textual_path1;
6711be35a1SLionel Sambuc 
6811be35a1SLionel Sambuc     /// Raw value of the second path in the join operation.
6911be35a1SLionel Sambuc     std::string _textual_path2;
7011be35a1SLionel Sambuc 
7111be35a1SLionel Sambuc public:
7211be35a1SLionel Sambuc     explicit join_error(const std::string&, const std::string&,
7311be35a1SLionel Sambuc                         const std::string&);
7411be35a1SLionel Sambuc     virtual ~join_error(void) throw();
7511be35a1SLionel Sambuc 
7611be35a1SLionel Sambuc     const std::string& textual_path1(void) const;
7711be35a1SLionel Sambuc     const std::string& textual_path2(void) const;
7811be35a1SLionel Sambuc };
7911be35a1SLionel Sambuc 
8011be35a1SLionel Sambuc 
8111be35a1SLionel Sambuc /// Exceptions for errno-based errors.
8211be35a1SLionel Sambuc ///
8311be35a1SLionel Sambuc /// TODO(jmmv): This code is duplicated in, at least, utils::process.  Figure
8411be35a1SLionel Sambuc /// out a way to reuse this exception while maintaining the correct inheritance
8511be35a1SLionel Sambuc /// (i.e. be able to keep it as a child of fs::error).
8611be35a1SLionel Sambuc class system_error : public error {
8711be35a1SLionel Sambuc     /// Error number describing this libc error condition.
8811be35a1SLionel Sambuc     int _original_errno;
8911be35a1SLionel Sambuc 
9011be35a1SLionel Sambuc public:
9111be35a1SLionel Sambuc     explicit system_error(const std::string&, const int);
9211be35a1SLionel Sambuc     ~system_error(void) throw();
9311be35a1SLionel Sambuc 
9411be35a1SLionel Sambuc     int original_errno(void) const throw();
9511be35a1SLionel Sambuc };
9611be35a1SLionel Sambuc 
9711be35a1SLionel Sambuc 
9811be35a1SLionel Sambuc }  // namespace fs
9911be35a1SLionel Sambuc }  // namespace utils
10011be35a1SLionel Sambuc 
10111be35a1SLionel Sambuc 
10211be35a1SLionel Sambuc #endif  // !defined(UTILS_FS_EXCEPTIONS_HPP)
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