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inflate.cpp
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//
// Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.com)
// Copyright (c) 2025 Mohammad Nejati
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/cppalliance/http
//
#include <boost/capy/ex/system_context.hpp>
#include <boost/http/detail/config.hpp>
#include <boost/http/zlib/inflate.hpp>
#include "stream_cast.hpp"
#include <boost/core/detail/static_assert.hpp>
#include <zlib.h>
namespace boost {
namespace http {
namespace zlib {
BOOST_CORE_STATIC_ASSERT(sizeof(stream) == sizeof(z_stream_s));
BOOST_CORE_STATIC_ASSERT(is_layout_identical<stream, z_stream_s>());
//------------------------------------------------
class inflate_service_impl
: public inflate_service
{
public:
using key_type = inflate_service;
explicit
inflate_service_impl(
capy::execution_context&) noexcept
{
}
~inflate_service_impl()
{
}
char const*
version() const noexcept override
{
return zlibVersion();
}
int
init(
stream& st) const override
{
stream_cast sc(st);
return inflateInit(sc.get());
}
int
init2(
stream& st,
int windowBits) const override
{
stream_cast sc(st);
return inflateInit2(sc.get(), windowBits);
}
int
inflate(
stream& st,
int flush) const override
{
stream_cast sc(st);
return ::inflate(sc.get(), flush);
}
int
inflate_end(
stream& st) const override
{
stream_cast sc(st);
return inflateEnd(sc.get());
}
int
set_dict(
stream& st,
unsigned char const* dict,
unsigned len) const override
{
stream_cast sc(st);
return inflateSetDictionary(sc.get(), dict, len);
}
int
get_dict(
stream& st,
unsigned char* dest,
unsigned* len) const override
{
stream_cast sc(st);
return inflateGetDictionary(sc.get(), dest, len);
}
int
sync(
stream& st) const override
{
stream_cast sc(st);
return inflateSync(sc.get());
}
int
dup(
stream& dest,
stream& src) const override
{
stream_cast sc0(dest);
stream_cast sc1(src);
return inflateCopy(sc0.get(), sc1.get());
}
int
reset(
stream& st) const override
{
stream_cast sc(st);
return inflateReset(sc.get());
}
int
reset2(
stream& st,
int windowBits) const override
{
stream_cast sc(st);
return inflateReset2(sc.get(), windowBits);
}
int
prime(
stream& st,
int bits,
int value) const override
{
stream_cast sc(st);
return inflatePrime(sc.get(), bits, value);
}
long
mark(
stream& st) const override
{
stream_cast sc(st);
return inflateMark(sc.get());
}
int
get_header(
stream& st,
void* header) const override
{
stream_cast sc(st);
return inflateGetHeader(sc.get(),
reinterpret_cast<gz_headerp>(header));
}
int
back_init(
stream& st,
int windowBits,
unsigned char* window) const override
{
stream_cast sc(st);
return inflateBackInit(sc.get(), windowBits, window);
}
int
back_end(
stream& st) const override
{
stream_cast sc(st);
return inflateBackEnd(sc.get());
}
unsigned long
compile_flags() const override
{
return zlibCompileFlags();
}
};
inflate_service&
install_inflate_service(capy::execution_context& ctx)
{
return ctx.make_service<inflate_service_impl>();
}
} // zlib
} // http
} // boost