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construct/include/ircd/js/args.h
2018-02-05 21:24:34 -08:00

57 lines
1.5 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 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. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_JS_ARGS_H
namespace ircd {
namespace js {
struct args
:JS::CallArgs
{
operator vector<value>::handle() const { return { *this }; }
bool empty() const { return length() == 0; }
size_t size() const { return length(); }
bool has(const size_t &at) const { return size() > at; }
value at(const size_t &at) const;
value operator[](const size_t &at) const;
args(const unsigned &argc, JS::Value *const &argv);
};
inline
args::args(const unsigned &argc,
JS::Value *const &argv)
:JS::CallArgs{JS::CallArgsFromVp(argc, argv)}
{
}
inline value
args::operator[](const size_t &at)
const
{
return value{length() > at? JS::CallArgs::operator[](at) : JS::UndefinedValue()};
}
inline value
args::at(const size_t &at)
const
{
if(unlikely(length() <= at))
throw range_error("Missing required argument #%zu", at);
return JS::CallArgs::operator[](at);
}
} // namespace js
} // namespace ircd