aboutsummaryrefslogtreecommitdiff
path: root/include/jsoncons_ext/msgpack/decode_msgpack.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'include/jsoncons_ext/msgpack/decode_msgpack.hpp')
-rw-r--r--include/jsoncons_ext/msgpack/decode_msgpack.hpp202
1 files changed, 202 insertions, 0 deletions
diff --git a/include/jsoncons_ext/msgpack/decode_msgpack.hpp b/include/jsoncons_ext/msgpack/decode_msgpack.hpp
new file mode 100644
index 0000000..614af3d
--- /dev/null
+++ b/include/jsoncons_ext/msgpack/decode_msgpack.hpp
@@ -0,0 +1,202 @@
+// Copyright 2013 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_MSGPACK_DECODE_MSGPACK_HPP
+#define JSONCONS_MSGPACK_DECODE_MSGPACK_HPP
+
+#include <string>
+#include <vector>
+#include <memory>
+#include <type_traits> // std::enable_if
+#include <istream> // std::basic_istream
+#include <jsoncons/json.hpp>
+#include <jsoncons/config/jsoncons_config.hpp>
+#include <jsoncons_ext/msgpack/msgpack_encoder.hpp>
+#include <jsoncons_ext/msgpack/msgpack_reader.hpp>
+#include <jsoncons_ext/msgpack/msgpack_cursor.hpp>
+
+namespace jsoncons {
+namespace msgpack {
+
+ template<class T, class Source>
+ typename std::enable_if<type_traits::is_basic_json<T>::value &&
+ type_traits::is_byte_sequence<Source>::value,T>::type
+ decode_msgpack(const Source& v,
+ const msgpack_decode_options& options = msgpack_decode_options())
+ {
+ jsoncons::json_decoder<T> decoder;
+ auto adaptor = make_json_visitor_adaptor<json_visitor>(decoder);
+ basic_msgpack_reader<jsoncons::bytes_source> reader(v, adaptor, options);
+ reader.read();
+ if (!decoder.is_valid())
+ {
+ JSONCONS_THROW(ser_error(conv_errc::conversion_failed, reader.line(), reader.column()));
+ }
+ return decoder.get_result();
+ }
+
+ template<class T, class Source>
+ typename std::enable_if<!type_traits::is_basic_json<T>::value &&
+ type_traits::is_byte_sequence<Source>::value,T>::type
+ decode_msgpack(const Source& v,
+ const msgpack_decode_options& options = msgpack_decode_options())
+ {
+ basic_msgpack_cursor<bytes_source> cursor(v, options);
+ json_decoder<basic_json<char,sorted_policy>> decoder{};
+
+ std::error_code ec;
+ T val = decode_traits<T,char>::decode(cursor, decoder, ec);
+ if (ec)
+ {
+ JSONCONS_THROW(ser_error(ec, cursor.context().line(), cursor.context().column()));
+ }
+ return val;
+ }
+
+ template<class T>
+ typename std::enable_if<type_traits::is_basic_json<T>::value,T>::type
+ decode_msgpack(std::istream& is,
+ const msgpack_decode_options& options = msgpack_decode_options())
+ {
+ jsoncons::json_decoder<T> decoder;
+ auto adaptor = make_json_visitor_adaptor<json_visitor>(decoder);
+ msgpack_stream_reader reader(is, adaptor, options);
+ reader.read();
+ if (!decoder.is_valid())
+ {
+ JSONCONS_THROW(ser_error(conv_errc::conversion_failed, reader.line(), reader.column()));
+ }
+ return decoder.get_result();
+ }
+
+ template<class T>
+ typename std::enable_if<!type_traits::is_basic_json<T>::value,T>::type
+ decode_msgpack(std::istream& is,
+ const msgpack_decode_options& options = msgpack_decode_options())
+ {
+ basic_msgpack_cursor<binary_stream_source> cursor(is, options);
+ json_decoder<basic_json<char,sorted_policy>> decoder{};
+
+ std::error_code ec;
+ T val = decode_traits<T,char>::decode(cursor, decoder, ec);
+ if (ec)
+ {
+ JSONCONS_THROW(ser_error(ec, cursor.context().line(), cursor.context().column()));
+ }
+ return val;
+ }
+
+ template<class T, class InputIt>
+ typename std::enable_if<type_traits::is_basic_json<T>::value,T>::type
+ decode_msgpack(InputIt first, InputIt last,
+ const msgpack_decode_options& options = msgpack_decode_options())
+ {
+ jsoncons::json_decoder<T> decoder;
+ auto adaptor = make_json_visitor_adaptor<json_visitor>(decoder);
+ basic_msgpack_reader<binary_iterator_source<InputIt>> reader(binary_iterator_source<InputIt>(first, last), adaptor, options);
+ reader.read();
+ if (!decoder.is_valid())
+ {
+ JSONCONS_THROW(ser_error(conv_errc::conversion_failed, reader.line(), reader.column()));
+ }
+ return decoder.get_result();
+ }
+
+ template<class T, class InputIt>
+ typename std::enable_if<!type_traits::is_basic_json<T>::value,T>::type
+ decode_msgpack(InputIt first, InputIt last,
+ const msgpack_decode_options& options = msgpack_decode_options())
+ {
+ basic_msgpack_cursor<binary_iterator_source<InputIt>> cursor(binary_iterator_source<InputIt>(first, last), options);
+ json_decoder<basic_json<char,sorted_policy>> decoder{};
+
+ std::error_code ec;
+ T val = decode_traits<T,char>::decode(cursor, decoder, ec);
+ if (ec)
+ {
+ JSONCONS_THROW(ser_error(ec, cursor.context().line(), cursor.context().column()));
+ }
+ return val;
+ }
+
+ // With leading allocator parameter
+
+ template<class T, class Source, class TempAllocator>
+ typename std::enable_if<type_traits::is_basic_json<T>::value &&
+ type_traits::is_byte_sequence<Source>::value,T>::type
+ decode_msgpack(temp_allocator_arg_t, const TempAllocator& temp_alloc,
+ const Source& v,
+ const msgpack_decode_options& options = msgpack_decode_options())
+ {
+ json_decoder<T,TempAllocator> decoder(temp_alloc);
+ auto adaptor = make_json_visitor_adaptor<json_visitor>(decoder);
+ basic_msgpack_reader<jsoncons::bytes_source,TempAllocator> reader(v, adaptor, options, temp_alloc);
+ reader.read();
+ if (!decoder.is_valid())
+ {
+ JSONCONS_THROW(ser_error(conv_errc::conversion_failed, reader.line(), reader.column()));
+ }
+ return decoder.get_result();
+ }
+
+ template<class T, class Source, class TempAllocator>
+ typename std::enable_if<!type_traits::is_basic_json<T>::value &&
+ type_traits::is_byte_sequence<Source>::value,T>::type
+ decode_msgpack(temp_allocator_arg_t, const TempAllocator& temp_alloc,
+ const Source& v,
+ const msgpack_decode_options& options = msgpack_decode_options())
+ {
+ basic_msgpack_cursor<bytes_source,TempAllocator> cursor(v, options, temp_alloc);
+ json_decoder<basic_json<char,sorted_policy,TempAllocator>,TempAllocator> decoder(temp_alloc, temp_alloc);
+
+ std::error_code ec;
+ T val = decode_traits<T,char>::decode(cursor, decoder, ec);
+ if (ec)
+ {
+ JSONCONS_THROW(ser_error(ec, cursor.context().line(), cursor.context().column()));
+ }
+ return val;
+ }
+
+ template<class T,class TempAllocator>
+ typename std::enable_if<type_traits::is_basic_json<T>::value,T>::type
+ decode_msgpack(temp_allocator_arg_t, const TempAllocator& temp_alloc,
+ std::istream& is,
+ const msgpack_decode_options& options = msgpack_decode_options())
+ {
+ json_decoder<T,TempAllocator> decoder(temp_alloc);
+ auto adaptor = make_json_visitor_adaptor<json_visitor>(decoder);
+ basic_msgpack_reader<jsoncons::binary_stream_source,TempAllocator> reader(is, adaptor, options, temp_alloc);
+ reader.read();
+ if (!decoder.is_valid())
+ {
+ JSONCONS_THROW(ser_error(conv_errc::conversion_failed, reader.line(), reader.column()));
+ }
+ return decoder.get_result();
+ }
+
+ template<class T,class TempAllocator>
+ typename std::enable_if<!type_traits::is_basic_json<T>::value,T>::type
+ decode_msgpack(temp_allocator_arg_t, const TempAllocator& temp_alloc,
+ std::istream& is,
+ const msgpack_decode_options& options = msgpack_decode_options())
+ {
+ basic_msgpack_cursor<binary_stream_source,TempAllocator> cursor(is, options, temp_alloc);
+ json_decoder<basic_json<char,sorted_policy,TempAllocator>,TempAllocator> decoder(temp_alloc, temp_alloc);
+
+ std::error_code ec;
+ T val = decode_traits<T,char>::decode(cursor, decoder, ec);
+ if (ec)
+ {
+ JSONCONS_THROW(ser_error(ec, cursor.context().line(), cursor.context().column()));
+ }
+ return val;
+ }
+
+} // msgpack
+} // jsoncons
+
+#endif