-class format_error : public std::exception
-{
-public:
- format_error() {}
- virtual const char *what() const throw()
- {
- return "boost::format_error: "
- "format generic failure";
- }
-};
-
-class bad_format_string : public format_error
-{
-public:
- bad_format_string() {}
- virtual const char *what() const throw()
- {
- return "boost::bad_format_string: "
- "format-string is ill-formed";
- }
-};
-
-class too_few_args : public format_error
-{
-public:
- too_few_args() {}
- virtual const char *what() const throw()
- {
- return "boost::too_few_args: "
- "format-string refered to more arguments than were passed";
- }
-};
-
-class too_many_args : public format_error
-{
-public:
- too_many_args() {}
- virtual const char *what() const throw()
- {
- return "boost::too_many_args: "
- "format-string refered to less arguments than were passed";
- }
-};
-
-
-class out_of_range : public format_error
-{
-public:
- out_of_range() {}
- virtual const char *what() const throw()
- {
- return "boost::out_of_range: "
- "tried to refer to an argument (or item) number which is out of range, "
- "according to the format string.";
- }
-};
-
-
-} // namespace io
+ class format_error : public std::exception
+ {
+ public:
+ format_error() {}
+ virtual const char *what() const throw() {
+ return "boost::format_error: "
+ "format generic failure";
+ }
+ };
+
+ class bad_format_string : public format_error
+ {
+ std::size_t pos_, next_;
+ public:
+ bad_format_string(std::size_t pos, std::size_t size)
+ : pos_(pos), next_(size) {}
+ std::size_t get_pos() const { return pos_; }
+ std::size_t get_next() const { return next_; }
+ virtual const char *what() const throw() {
+ return "boost::bad_format_string: format-string is ill-formed";
+ }
+ };
+
+ class too_few_args : public format_error
+ {
+ std::size_t cur_, expected_;
+ public:
+ too_few_args(std::size_t cur, std::size_t expected)
+ : cur_(cur), expected_(expected) {}
+ std::size_t get_cur() const { return cur_; }
+ std::size_t get_expected() const { return expected_; }
+ virtual const char *what() const throw() {
+ return "boost::too_few_args: "
+ "format-string referred to more arguments than were passed";
+ }
+ };
+
+ class too_many_args : public format_error
+ {
+ std::size_t cur_, expected_;
+ public:
+ too_many_args(std::size_t cur, std::size_t expected)
+ : cur_(cur), expected_(expected) {}
+ std::size_t get_cur() const { return cur_; }
+ std::size_t get_expected() const { return expected_; }
+ virtual const char *what() const throw() {
+ return "boost::too_many_args: "
+ "format-string referred to less arguments than were passed";
+ }
+ };
+
+
+ class out_of_range : public format_error
+ {
+ int index_, beg_, end_; // range is [ beg, end [
+ public:
+ out_of_range(int index, int beg, int end)
+ : index_(index), beg_(beg), end_(end) {}
+ int get_index() const { return index_; }
+ int get_beg() const { return beg_; }
+ int get_end() const { return end_; }
+ virtual const char *what() const throw() {
+ return "boost::out_of_range: "
+ "tried to refer to an argument (or item) number which"
+ " is out of range, according to the format string";
+ }
+ };
+
+
+ } // namespace io