From 56e149a51562b9d2620bc9037a81735c29ea95af Mon Sep 17 00:00:00 2001 From: Ben Longbons Date: Mon, 14 Apr 2014 11:02:47 -0700 Subject: Ditch gcc 4.6 support --- src/strings/literal.hpp | 82 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 src/strings/literal.hpp (limited to 'src/strings/literal.hpp') diff --git a/src/strings/literal.hpp b/src/strings/literal.hpp new file mode 100644 index 0000000..c5b9938 --- /dev/null +++ b/src/strings/literal.hpp @@ -0,0 +1,82 @@ +#ifndef TMWA_STRINGS_LITERAL_HPP +#define TMWA_STRINGS_LITERAL_HPP +// strings/literal.hpp - A string stored in the readonly data segment. +// +// Copyright © 2014 Ben Longbons +// +// This file is part of The Mana World (Athena server) +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see . + +# include "../sanity.hpp" + +# include + +# include "base.hpp" + +namespace strings +{ + /// A statically owned string that is guaranteed to be NUL-terminated. + /// This is a more permissive lifetime than anybody else has. + class LString : public _crtp_string + { + iterator _b, _e; + // optional + const RString *_base; + private: + LString(const char *b, const char *e); + friend LString operator "" _s(const char *, size_t); + public: + + iterator begin() const; + iterator end() const; + const RString *base() const; + const char *c_str() const; + }; + + class FormatString + { + const char *_format; + + friend constexpr FormatString operator "" _fmt(const char *, size_t); + constexpr explicit + FormatString(const char *f) : _format(f) {} + public: + constexpr + const char *format_string() { return _format; } + }; + + + // cxxstdio helpers + // I think the conversion will happen automatically. TODO test this. + // Nope, it doesn't, since there's a template + // Actually, it might now. + const char *decay_for_printf(const LString& zs); + + __attribute__((format(scanf, 2, 0))) + int do_vscan(LString in, const char *fmt, va_list ap); + + inline + LString operator "" _s(const char *s, size_t) + { + return LString(s, s + __builtin_strlen(s)); + } + constexpr + FormatString operator "" _fmt(const char *s, size_t) + { + return FormatString(s); + } +} // namespace strings + +#endif // TMWA_STRINGS_LSTRING_HPP -- cgit v1.2.3-60-g2f50