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28 
29 /// \file utils/format/exceptions.hpp
30 /// Exception types raised by the format module.
31 
32 #if !defined(UTILS_FORMAT_EXCEPTIONS_HPP)
33 #define UTILS_FORMAT_EXCEPTIONS_HPP
34 
35 #include <stdexcept>
36 #include <string>
37 
38 namespace utils {
39 namespace format {
40 
41 
42 /// Base exception for format errors.
43 class error : public std::runtime_error {
44 public:
45     explicit error(const std::string&);
46     virtual ~error(void) throw();
47 };
48 
49 
50 /// Error denoting a bad format string.
51 class bad_format_error : public error {
52     /// The format string that caused the error.
53     std::string _format;
54 
55 public:
56     explicit bad_format_error(const std::string&, const std::string&);
57     virtual ~bad_format_error(void) throw();
58 
59     const std::string& format(void) const;
60 };
61 
62 
63 /// Error denoting too many arguments for the format string.
64 class extra_args_error : public error {
65     /// The format string that was passed too many arguments.
66     std::string _format;
67 
68     /// The first argument that caused the error.
69     std::string _arg;
70 
71 public:
72     explicit extra_args_error(const std::string&, const std::string&);
73     virtual ~extra_args_error(void) throw();
74 
75     const std::string& format(void) const;
76     const std::string& arg(void) const;
77 };
78 
79 
80 }  // namespace format
81 }  // namespace utils
82 
83 
84 #endif  // !defined(UTILS_FORMAT_EXCEPTIONS_HPP)
85