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author | Richard <q@1bpm.net> | 2022-09-04 00:32:56 +0100 |
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committer | Richard <q@1bpm.net> | 2022-09-04 00:32:56 +0100 |
commit | 1d055261b4144dbf86b2658437015b15d4dd9bff (patch) | |
tree | 6049b19d1bf953a650383de1a5e438b8b82679f6 /include/jsoncons_ext/cbor/cbor_reader.hpp | |
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initial
Diffstat (limited to 'include/jsoncons_ext/cbor/cbor_reader.hpp')
-rw-r--r-- | include/jsoncons_ext/cbor/cbor_reader.hpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/include/jsoncons_ext/cbor/cbor_reader.hpp b/include/jsoncons_ext/cbor/cbor_reader.hpp new file mode 100644 index 0000000..a46a52e --- /dev/null +++ b/include/jsoncons_ext/cbor/cbor_reader.hpp @@ -0,0 +1,116 @@ +// Copyright 2017 Daniel Parker +// Distributed under the Boost license, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + +// See https://github.com/danielaparker/jsoncons for latest version + +#ifndef JSONCONS_CBOR_CBOR_READER_HPP +#define JSONCONS_CBOR_CBOR_READER_HPP + +#include <string> +#include <vector> +#include <memory> +#include <utility> // std::move +#include <jsoncons/json.hpp> +#include <jsoncons/source.hpp> +#include <jsoncons/config/jsoncons_config.hpp> +#include <jsoncons_ext/cbor/cbor_encoder.hpp> +#include <jsoncons_ext/cbor/cbor_error.hpp> +#include <jsoncons_ext/cbor/cbor_detail.hpp> +#include <jsoncons_ext/cbor/cbor_parser.hpp> + +namespace jsoncons { namespace cbor { + +template <class Source,class Allocator=std::allocator<char>> +class basic_cbor_reader +{ + using char_type = char; + + basic_cbor_parser<Source,Allocator> parser_; + basic_json_visitor2_to_visitor_adaptor<char_type,Allocator> adaptor_; + json_visitor2& visitor_; +public: + template <class Sourceable> + basic_cbor_reader(Sourceable&& source, + json_visitor& visitor, + const Allocator alloc) + : basic_cbor_reader(std::forward<Sourceable>(source), + visitor, + cbor_decode_options(), + alloc) + { + } + + template <class Sourceable> + basic_cbor_reader(Sourceable&& source, + json_visitor& visitor, + const cbor_decode_options& options = cbor_decode_options(), + const Allocator alloc=Allocator()) + : parser_(std::forward<Sourceable>(source), options, alloc), + adaptor_(visitor, alloc), visitor_(adaptor_) + { + } + template <class Sourceable> + basic_cbor_reader(Sourceable&& source, + json_visitor2& visitor, + const Allocator alloc) + : basic_cbor_reader(std::forward<Sourceable>(source), + visitor, + cbor_decode_options(), + alloc) + { + } + + template <class Sourceable> + basic_cbor_reader(Sourceable&& source, + json_visitor2& visitor, + const cbor_decode_options& options = cbor_decode_options(), + const Allocator alloc=Allocator()) + : parser_(std::forward<Sourceable>(source), options, alloc), + visitor_(visitor) + { + } + + void read() + { + std::error_code ec; + read(ec); + if (ec) + { + JSONCONS_THROW(ser_error(ec,line(),column())); + } + } + + void read(std::error_code& ec) + { + parser_.reset(); + parser_.parse(visitor_, ec); + if (ec) + { + return; + } + } + + std::size_t line() const + { + return parser_.line(); + } + + std::size_t column() const + { + return parser_.column(); + } +}; + +using cbor_stream_reader = basic_cbor_reader<jsoncons::binary_stream_source>; + +using cbor_bytes_reader = basic_cbor_reader<jsoncons::bytes_source>; + +#if !defined(JSONCONS_NO_DEPRECATED) +JSONCONS_DEPRECATED_MSG("Instead, use cbor_stream_reader") typedef cbor_stream_reader cbor_reader; +JSONCONS_DEPRECATED_MSG("Instead, use cbor_bytes_reader") typedef cbor_bytes_reader cbor_buffer_reader; +#endif + +}} + +#endif |