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/*
* Copyright 2018-2020 Max Kellermann <max.kellermann@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``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
* FOUNDATION OR CONTRIBUTORS 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.
*/
#ifndef YAJL_HANDLE_HXX
#define YAJL_HANDLE_HXX
#include <yajl/yajl_parse.h>
#include <algorithm>
namespace Yajl {
/**
* OO wrapper for "struct curl_slist *".
*/
class Handle {
yajl_handle handle = nullptr;
public:
Handle() = default;
Handle(const yajl_callbacks *callbacks,
yajl_alloc_funcs *afs,
void *ctx) noexcept
:handle(yajl_alloc(callbacks, afs, ctx)) {}
Handle(Handle &&src) noexcept
:handle(std::exchange(src.handle, nullptr)) {}
~Handle() noexcept {
if (handle != nullptr)
yajl_free(handle);
}
Handle &operator=(Handle &&src) noexcept {
std::swap(handle, src.handle);
return *this;
}
void Parse(const unsigned char *jsonText, size_t jsonTextLength) {
HandleStatus(yajl_parse(handle, jsonText, jsonTextLength));
}
void CompleteParse() {
HandleStatus(yajl_complete_parse(handle));
}
private:
void HandleStatus(yajl_status status) {
if (status == yajl_status_error)
ThrowError();
}
[[noreturn]]
void ThrowError();
};
} // namespace Yajl
#endif
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