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authorRichard <q@1bpm.net>2022-09-04 00:32:56 +0100
committerRichard <q@1bpm.net>2022-09-04 00:32:56 +0100
commit1d055261b4144dbf86b2658437015b15d4dd9bff (patch)
tree6049b19d1bf953a650383de1a5e438b8b82679f6 /include/jsoncons_ext/cbor/cbor_reader.hpp
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+// 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