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construct/include/ircd/js/string.h

142 lines
3.1 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 {
struct string
:JS::Rooted<JSString *>
{
// SpiderMonkey may use utf-16/char16_t strings; these will help you then
static size_t convert(const char16_t *const &, char *const &buf, const size_t &max);
static std::string convert(const char16_t *const &);
static std::string convert(const std::u16string &);
static std::u16string convert(const char *const &);
static std::u16string convert(const std::string &);
static constexpr const size_t CBUFS = 8;
static const size_t CBUFSZ;
const char *c_str() const; // Copy into rotating buf
size_t size() const;
explicit operator std::string() const;
operator JS::Value() const;
string(const char *const &, const size_t &len);
explicit string(const std::string &);
string(const char *const &);
string(JSString *const &);
string(const value &);
string();
string(string &&) noexcept;
string(const string &) = delete;
friend std::ostream &operator<<(std::ostream &os, const string &s);
};
inline
string::string()
:JS::Rooted<JSString *>{*cx}
{
}
inline
string::string(string &&other)
noexcept
:JS::Rooted<JSString *>{*cx, other}
{
}
inline
string::string(const value &val)
:JS::Rooted<JSString *>
{
*cx,
JS::ToString(*cx, val)
}
{
}
inline
string::string(JSString *const &val)
:JS::Rooted<JSString *>{*cx, val}
{
}
inline
string::string(const std::string &s)
:string(s.data(), s.size())
{
}
inline
string::string(const char *const &s)
:string(s, strlen(s))
{
}
inline
string::string(const char *const &s,
const size_t &len)
:JS::Rooted<JSString *>
{
*cx,
JS_NewStringCopyN(*cx, s, len)
}
{
if(unlikely(!get()))
throw type_error("Failed to construct string from character array");
}
inline
string::operator JS::Value()
const
{
return JS::StringValue(get());
}
inline
string::operator std::string()
const
{
return native(get());
}
inline size_t
string::size()
const
{
return native_size(get());
}
inline
std::ostream &operator<<(std::ostream &os, const string &s)
{
os << std::string(s);
return os;
}
} // namespace js
} // namespace ircd