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#include "sstring.hpp"
// strings/sstring.cpp - Functions for sstring.hpp
//
// Copyright © 2013 Ben Longbons <b.r.longbons@gmail.com>
//
// 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 <http://www.gnu.org/licenses/>.
#include "tstring.hpp"
#include "zstring.hpp"
#include "xstring.hpp"
#include "../poison.hpp"
namespace strings
{
SString::SString()
: _s(), _b(), _e()
{}
SString::SString(RString r)
: _s(std::move(r)), _b(), _e(_s.size())
{}
SString::SString(AString a)
: _s(std::move(a)), _b(), _e(_s.size())
{}
SString::SString(TString t)
: _s(t._s), _b(0), _e(_s.size())
{}
SString::SString(const ZString& z)
{
*this = XString(z);
}
SString::SString(const XString& x)
{
const RString *r = x.base();
const char *xb = &*x.begin();
const char *xe = &*x.end();
const char *rb = r ? &*r->begin() : nullptr;
//const char *re = r ? &*r->end() : nullptr;
if (r)
*this = SString(*r, xb - rb, xe - rb);
else
*this = RString(x);
}
SString::SString(RString r, size_t b, size_t e)
: _s(std::move(r)), _b(b), _e(e)
{}
static
RString get_owned_slice(AString a, size_t *b, size_t *e)
{
if (a.base())
{
// it's futile
return std::move(a);
}
// have to allocate anyway, so cut first
size_t ob = *b;
size_t oe = *e;
*e -= *b;
*b = 0;
return a.xpslice(ob, oe);
}
SString::SString(AString a, size_t b, size_t e)
: _s(get_owned_slice(std::move(a), &b, &e))
, _b(b)
, _e(e)
{}
SString::SString(XPair p)
: _s(p), _b(0), _e(p.size())
{}
SString::iterator SString::begin() const
{
return &_s.begin()[_b];
}
SString::iterator SString::end() const
{
return &_s.begin()[_e];
}
const RString *SString::base() const
{
return &_s;
}
} // namespace strings
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