diff options
| -rw-r--r-- | libadhocutil/compileTimeFormatter.h | 59 |
1 files changed, 39 insertions, 20 deletions
diff --git a/libadhocutil/compileTimeFormatter.h b/libadhocutil/compileTimeFormatter.h index aeff488..631b0f7 100644 --- a/libadhocutil/compileTimeFormatter.h +++ b/libadhocutil/compileTimeFormatter.h @@ -4,6 +4,7 @@ #include <boost/preprocessor/variadic/size.hpp> namespace AdHoc { + /// @cond constexpr int WRAP_AT = 120; template <int, char...> struct Buffer { }; @@ -169,28 +170,46 @@ namespace AdHoc { template <const char * const & S, int offset, int roffset, char ... sn> struct Parser<S, offset, roffset, 0, sn...> : public ParserBase<S, false, sn..., 0>{ }; + /// @endcond + /** + * Compile time string formatter. + * @param S the format string. + */ template <const char * const & S> - struct Formatter { - template<typename ... Pn> - static std::string get(const Pn & ... pn) - { - std::stringstream s; - return run(Parser<S, 0, 0, *S>::parse(), s, pn...).str(); - } - - template<typename stream, typename ... Pn> - static stream & write(stream & s, const Pn & ... pn) - { - return run(Parser<S, 0, 0, *S>::parse(), s, pn...); - } - - template<typename stream, char...ssn, template<bool, char...> class ParserBuffer, typename ... Pn> - static stream & run(const ParserBuffer<false, ssn...> &, stream & s, const Pn & ... pn) - { - StreamWriter<S, 0, stream, ssn...>::write(s, pn...); - return s; - } + class Formatter { + public: + /** + * Get a string containing the result of formatting. + * @param pn the format arguments. + * @return the formatted string. + */ + template<typename ... Pn> + static std::string get(const Pn & ... pn) + { + std::stringstream s; + return run(Parser<S, 0, 0, *S>::parse(), s, pn...).str(); + } + + /** + * Write the result of formatting to the given stream. + * @param s the stream to write to. + * @param pn the format arguments. + * @return the stream. + */ + template<typename stream, typename ... Pn> + static stream & write(stream & s, const Pn & ... pn) + { + return run(Parser<S, 0, 0, *S>::parse(), s, pn...); + } + + private: + template<typename stream, char...ssn, template<bool, char...> class ParserBuffer, typename ... Pn> + static stream & run(const ParserBuffer<false, ssn...> &, stream & s, const Pn & ... pn) + { + StreamWriter<S, 0, stream, ssn...>::write(s, pn...); + return s; + } }; } |