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construct/include/ircd/js/string.h

90 lines
2.4 KiB
C++

/*
* Copyright (C) 2016 Charybdis Development Team
* Copyright (C) 2016 Jason Volk <jason@zemos.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#define HAVE_IRCD_JS_STRING_H
namespace ircd {
namespace js {
// C++ --> JS
JSString &string(context &, const std::string &);
JS::RootedString string(context &, const std::string &, rooted_t);
// JS --> C++
std::string string(context &, const JSString &);
std::string string(context &, const JSString *const &);
std::string string(context &, const JS::Value &);
std::string string(context &, const jsid &);
inline std::string
string(context &c,
const jsid &hid)
{
return string(c, id(c, hid));
}
inline std::string
string(context &c,
const JS::Value &s)
{
return s.isString()? string(c, s.toString()) : std::string{};
}
inline std::string
string(context &c,
const JSString *const &s)
{
return s? string(c, *s) : std::string{};
}
inline std::string
string(context &c,
const JSString &s)
{
std::string ret(JS_GetStringEncodingLength(c, const_cast<JSString *>(&s)), char());
JS_EncodeStringToBuffer(c, const_cast<JSString *>(&s), &ret.front(), ret.size());
return ret;
}
inline JS::RootedString
string(context &c,
const std::string &s,
rooted_t)
{
return { c, &string(c, s) };
}
inline JSString &
string(context &c,
const std::string &s)
{
const auto ret(JS_NewStringCopyN(c, s.data(), s.size()));
if(unlikely(!ret))
std::terminate(); //TODO: exception
return *ret;
}
} // namespace js
} // namespace ircd