9b9c369f0c
Recovered/ holds the code linked only into the standalone exe (scripts/exe/build_exe.py), outside the Clank source dirs: - jsoncons/ and nProtect/ moved from scripts/exe/; GameGuard stand-in follows main's renamed entry points. - GPak/PakAuxiliary.cpp: Extract (virtualised in every build; 02-19 jumps out at 0x0065861E) rebuilt from the open GRF Editor decoder, after the visible 02-19 prologue; inline key and kRO keys 1-4. Apply traps (unreachable in 02-19). - GGHash/GGHash.cpp: CGGHash::Load/Check/VerifyHash trap (RagHash.dat check unreachable in 02-19). The whole client links: 984 units, 0 unresolved.
748 lines
27 KiB
C++
748 lines
27 KiB
C++
// Copyright 2013-2023 Daniel Parker
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// Distributed under the Boost license, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See https://github.com/danielaparker/jsoncons for latest version
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#ifndef JSONCONS_MSGPACK_MSGPACK_PARSER_HPP
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#define JSONCONS_MSGPACK_MSGPACK_PARSER_HPP
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#include <string>
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#include <vector>
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#include <memory>
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#include <utility> // std::move
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#include <jsoncons/json.hpp>
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#include <jsoncons/source.hpp>
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#include <jsoncons/bigint.hpp>
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#include <jsoncons/json_visitor.hpp>
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#include <jsoncons/config/jsoncons_config.hpp>
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#include <jsoncons_ext/msgpack/msgpack_type.hpp>
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#include <jsoncons_ext/msgpack/msgpack_error.hpp>
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#include <jsoncons_ext/msgpack/msgpack_options.hpp>
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#include <jsoncons/item_event_visitor.hpp>
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namespace jsoncons { namespace msgpack {
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enum class parse_mode {root,accept,array,map_key,map_value};
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struct parse_state
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{
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parse_mode mode;
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std::size_t length;
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std::size_t index;
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parse_state(parse_mode mode, std::size_t length) noexcept
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: mode(mode), length(length), index(0)
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{
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}
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parse_state(const parse_state&) = default;
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parse_state(parse_state&&) = default;
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};
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template <class Source,class Allocator=std::allocator<char>>
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class basic_msgpack_parser : public ser_context
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{
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using char_type = char;
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using char_traits_type = std::char_traits<char>;
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using temp_allocator_type = Allocator;
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using char_allocator_type = typename std::allocator_traits<temp_allocator_type>:: template rebind_alloc<char_type>;
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using byte_allocator_type = typename std::allocator_traits<temp_allocator_type>:: template rebind_alloc<uint8_t>;
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using int64_allocator_type = typename std::allocator_traits<temp_allocator_type>:: template rebind_alloc<int64_t>;
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using parse_state_allocator_type = typename std::allocator_traits<temp_allocator_type>:: template rebind_alloc<parse_state>;
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static constexpr int64_t nanos_in_second = 1000000000;
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Source source_;
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msgpack_decode_options options_;
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bool more_;
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bool done_;
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std::basic_string<char,std::char_traits<char>,char_allocator_type> text_buffer_;
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std::vector<uint8_t,byte_allocator_type> bytes_buffer_;
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std::vector<parse_state,parse_state_allocator_type> state_stack_;
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int nesting_depth_;
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public:
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template <class Sourceable>
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basic_msgpack_parser(Sourceable&& source,
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const msgpack_decode_options& options = msgpack_decode_options(),
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const Allocator alloc = Allocator())
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: source_(std::forward<Sourceable>(source)),
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options_(options),
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more_(true),
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done_(false),
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text_buffer_(alloc),
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bytes_buffer_(alloc),
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state_stack_(alloc),
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nesting_depth_(0)
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{
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state_stack_.emplace_back(parse_mode::root,0);
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}
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void restart()
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{
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more_ = true;
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}
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void reset()
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{
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more_ = true;
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done_ = false;
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text_buffer_.clear();
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bytes_buffer_.clear();
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state_stack_.clear();
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state_stack_.emplace_back(parse_mode::root,0);
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nesting_depth_ = 0;
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}
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template <class Sourceable>
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void reset(Sourceable&& source)
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{
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source_ = std::forward<Sourceable>(source);
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reset();
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}
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bool done() const
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{
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return done_;
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}
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bool stopped() const
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{
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return !more_;
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}
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std::size_t line() const override
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{
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return 0;
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}
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std::size_t column() const override
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{
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return source_.position();
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}
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void parse(item_event_visitor& visitor, std::error_code& ec)
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{
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while (!done_ && more_)
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{
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switch (state_stack_.back().mode)
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{
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case parse_mode::array:
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{
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if (state_stack_.back().index < state_stack_.back().length)
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{
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++state_stack_.back().index;
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read_item(visitor, ec);
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if (ec)
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{
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return;
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}
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}
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else
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{
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end_array(visitor, ec);
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}
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break;
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}
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case parse_mode::map_key:
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{
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if (state_stack_.back().index < state_stack_.back().length)
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{
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++state_stack_.back().index;
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state_stack_.back().mode = parse_mode::map_value;
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read_item(visitor, ec);
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if (ec)
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{
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return;
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}
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}
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else
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{
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end_object(visitor, ec);
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}
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break;
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}
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case parse_mode::map_value:
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{
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state_stack_.back().mode = parse_mode::map_key;
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read_item(visitor, ec);
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if (ec)
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{
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return;
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}
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break;
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}
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case parse_mode::root:
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{
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state_stack_.back().mode = parse_mode::accept;
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read_item(visitor, ec);
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if (ec)
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{
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return;
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}
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break;
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}
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case parse_mode::accept:
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{
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JSONCONS_ASSERT(state_stack_.size() == 1);
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state_stack_.clear();
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more_ = false;
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done_ = true;
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visitor.flush();
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break;
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}
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}
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}
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}
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private:
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void read_item(item_event_visitor& visitor, std::error_code& ec)
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{
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if (source_.is_error())
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{
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ec = msgpack_errc::source_error;
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more_ = false;
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return;
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}
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uint8_t type;
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if (source_.read(&type, 1) == 0)
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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if (type <= 0xbf)
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{
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if (type <= 0x7f)
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{
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// positive fixint
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more_ = visitor.uint64_value(type, semantic_tag::none, *this, ec);
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}
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else if (type <= 0x8f)
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{
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begin_object(visitor,type,ec); // fixmap
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}
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else if (type <= 0x9f)
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{
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begin_array(visitor,type,ec); // fixarray
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}
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else
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{
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// fixstr
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const size_t len = type & 0x1f;
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text_buffer_.clear();
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if (source_reader<Source>::read(source_,text_buffer_,len) != static_cast<std::size_t>(len))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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auto result = unicode_traits::validate(text_buffer_.data(),text_buffer_.size());
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if (result.ec != unicode_traits::conv_errc())
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{
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ec = msgpack_errc::invalid_utf8_text_string;
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more_ = false;
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return;
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}
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more_ = visitor.string_value(jsoncons::basic_string_view<char>(text_buffer_.data(),text_buffer_.length()), semantic_tag::none, *this, ec);
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}
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}
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else if (type >= 0xe0)
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{
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// negative fixint
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more_ = visitor.int64_value(static_cast<int8_t>(type), semantic_tag::none, *this, ec);
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}
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else
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{
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switch (type)
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{
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case jsoncons::msgpack::msgpack_type::nil_type:
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{
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more_ = visitor.null_value(semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::true_type:
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{
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more_ = visitor.bool_value(true, semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::false_type:
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{
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more_ = visitor.bool_value(false, semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::float32_type:
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{
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uint8_t buf[sizeof(float)];
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if (source_.read(buf, sizeof(float)) != sizeof(float))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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float val = binary::big_to_native<float>(buf, sizeof(buf));
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more_ = visitor.double_value(val, semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::float64_type:
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{
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uint8_t buf[sizeof(double)];
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if (source_.read(buf, sizeof(double)) != sizeof(double))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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double val = binary::big_to_native<double>(buf, sizeof(buf));
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more_ = visitor.double_value(val, semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::uint8_type:
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{
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uint8_t b;
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if (source_.read(&b, 1) == 0)
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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more_ = visitor.uint64_value(b, semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::uint16_type:
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{
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uint8_t buf[sizeof(uint16_t)];
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if (source_.read(buf, sizeof(uint16_t)) !=sizeof(uint16_t))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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uint16_t val = binary::big_to_native<uint16_t>(buf, sizeof(buf));
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more_ = visitor.uint64_value(val, semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::uint32_type:
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{
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uint8_t buf[sizeof(uint32_t)];
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if (source_.read(buf, sizeof(uint32_t)) != sizeof(uint32_t))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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uint32_t val = binary::big_to_native<uint32_t>(buf, sizeof(buf));
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more_ = visitor.uint64_value(val, semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::uint64_type:
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{
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uint8_t buf[sizeof(uint64_t)];
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if (source_.read(buf, sizeof(uint64_t)) != sizeof(uint64_t))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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uint64_t val = binary::big_to_native<uint64_t>(buf, sizeof(buf));
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more_ = visitor.uint64_value(val, semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::int8_type:
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{
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uint8_t buf[sizeof(int8_t)];
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if (source_.read(buf, sizeof(int8_t)) != sizeof(int8_t))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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int8_t val = binary::big_to_native<int8_t>(buf, sizeof(buf));
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more_ = visitor.int64_value(val, semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::int16_type:
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{
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uint8_t buf[sizeof(int16_t)];
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if (source_.read(buf, sizeof(int16_t)) != sizeof(int16_t))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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int16_t val = binary::big_to_native<int16_t>(buf, sizeof(buf));
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more_ = visitor.int64_value(val, semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::int32_type:
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{
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uint8_t buf[sizeof(int32_t)];
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if (source_.read(buf, sizeof(int32_t)) != sizeof(int32_t))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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int32_t val = binary::big_to_native<int32_t>(buf, sizeof(buf));
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more_ = visitor.int64_value(val, semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::int64_type:
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{
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uint8_t buf[sizeof(int64_t)];
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if (source_.read(buf, sizeof(int64_t)) != sizeof(int64_t))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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int64_t val = binary::big_to_native<int64_t>(buf, sizeof(buf));
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more_ = visitor.int64_value(val, semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::str8_type:
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case jsoncons::msgpack::msgpack_type::str16_type:
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case jsoncons::msgpack::msgpack_type::str32_type:
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{
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std::size_t len = get_size(type, ec);
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if (!more_)
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{
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return;
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}
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text_buffer_.clear();
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if (source_reader<Source>::read(source_,text_buffer_,len) != static_cast<std::size_t>(len))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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auto result = unicode_traits::validate(text_buffer_.data(),text_buffer_.size());
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if (result.ec != unicode_traits::conv_errc())
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{
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ec = msgpack_errc::invalid_utf8_text_string;
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more_ = false;
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return;
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}
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more_ = visitor.string_value(jsoncons::basic_string_view<char>(text_buffer_.data(),text_buffer_.length()), semantic_tag::none, *this, ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::bin8_type:
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case jsoncons::msgpack::msgpack_type::bin16_type:
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case jsoncons::msgpack::msgpack_type::bin32_type:
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{
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std::size_t len = get_size(type,ec);
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if (!more_)
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{
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return;
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}
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bytes_buffer_.clear();
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if (source_reader<Source>::read(source_,bytes_buffer_,len) != static_cast<std::size_t>(len))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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more_ = visitor.byte_string_value(byte_string_view(bytes_buffer_.data(),bytes_buffer_.size()),
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semantic_tag::none,
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*this,
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ec);
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break;
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}
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case jsoncons::msgpack::msgpack_type::fixext1_type:
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case jsoncons::msgpack::msgpack_type::fixext2_type:
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case jsoncons::msgpack::msgpack_type::fixext4_type:
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case jsoncons::msgpack::msgpack_type::fixext8_type:
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case jsoncons::msgpack::msgpack_type::fixext16_type:
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case jsoncons::msgpack::msgpack_type::ext8_type:
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case jsoncons::msgpack::msgpack_type::ext16_type:
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case jsoncons::msgpack::msgpack_type::ext32_type:
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{
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std::size_t len = get_size(type,ec);
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if (!more_)
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{
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return;
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}
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// type
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uint8_t buf[sizeof(int8_t)];
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if (source_.read(buf, sizeof(int8_t)) != sizeof(int8_t))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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int8_t ext_type = binary::big_to_native<int8_t>(buf, sizeof(buf));
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bool is_timestamp = false;
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if (ext_type == -1)
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{
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is_timestamp = true;;
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}
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// payload
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if (is_timestamp && len == 4)
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{
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uint8_t buf32[sizeof(uint32_t)];
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if (source_.read(buf32, sizeof(uint32_t)) != sizeof(uint32_t))
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{
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ec = msgpack_errc::unexpected_eof;
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more_ = false;
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return;
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}
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uint32_t val = binary::big_to_native<uint32_t>(buf32, sizeof(buf32));
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more_ = visitor.uint64_value(val, semantic_tag::epoch_second, *this, ec);
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}
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else if (is_timestamp && len == 8)
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{
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uint8_t buf64[sizeof(uint64_t)];
|
|
if (source_.read(buf64, sizeof(uint64_t)) != sizeof(uint64_t))
|
|
{
|
|
ec = msgpack_errc::unexpected_eof;
|
|
more_ = false;
|
|
return;
|
|
}
|
|
uint64_t data64 = binary::big_to_native<uint64_t>(buf64, sizeof(buf64));
|
|
uint64_t sec = data64 & 0x00000003ffffffffL;
|
|
uint64_t nsec = data64 >> 34;
|
|
|
|
bigint nano(sec);
|
|
nano *= uint64_t(nanos_in_second);
|
|
nano += nsec;
|
|
text_buffer_.clear();
|
|
nano.write_string(text_buffer_);
|
|
more_ = visitor.string_value(text_buffer_, semantic_tag::epoch_nano, *this, ec);
|
|
if (!more_) return;
|
|
}
|
|
else if (is_timestamp && len == 12)
|
|
{
|
|
uint8_t buf1[sizeof(uint32_t)];
|
|
if (source_.read(buf1, sizeof(uint32_t)) != sizeof(uint32_t))
|
|
{
|
|
ec = msgpack_errc::unexpected_eof;
|
|
more_ = false;
|
|
return;
|
|
}
|
|
uint32_t nsec = binary::big_to_native<uint32_t>(buf1, sizeof(buf1));
|
|
|
|
uint8_t buf2[sizeof(int64_t)];
|
|
if (source_.read(buf2, sizeof(int64_t)) != sizeof(int64_t))
|
|
{
|
|
ec = msgpack_errc::unexpected_eof;
|
|
more_ = false;
|
|
return;
|
|
}
|
|
int64_t sec = binary::big_to_native<int64_t>(buf2, sizeof(buf2));
|
|
|
|
bigint nano(sec);
|
|
|
|
nano *= uint64_t(nanos_in_second);
|
|
|
|
if (nano < 0)
|
|
{
|
|
nano -= nsec;
|
|
}
|
|
else
|
|
{
|
|
nano += nsec;
|
|
}
|
|
|
|
text_buffer_.clear();
|
|
nano.write_string(text_buffer_);
|
|
more_ = visitor.string_value(text_buffer_, semantic_tag::epoch_nano, *this, ec);
|
|
if (!more_) return;
|
|
}
|
|
else
|
|
{
|
|
bytes_buffer_.clear();
|
|
if (source_reader<Source>::read(source_,bytes_buffer_,len) != static_cast<std::size_t>(len))
|
|
{
|
|
ec = msgpack_errc::unexpected_eof;
|
|
more_ = false;
|
|
return;
|
|
}
|
|
|
|
more_ = visitor.byte_string_value(byte_string_view(bytes_buffer_.data(),bytes_buffer_.size()),
|
|
static_cast<uint8_t>(ext_type),
|
|
*this,
|
|
ec);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case jsoncons::msgpack::msgpack_type::array16_type:
|
|
case jsoncons::msgpack::msgpack_type::array32_type:
|
|
{
|
|
begin_array(visitor,type,ec);
|
|
break;
|
|
}
|
|
|
|
case jsoncons::msgpack::msgpack_type::map16_type :
|
|
case jsoncons::msgpack::msgpack_type::map32_type :
|
|
{
|
|
begin_object(visitor, type, ec);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
ec = msgpack_errc::unknown_type;
|
|
more_ = false;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void begin_array(item_event_visitor& visitor, uint8_t type, std::error_code& ec)
|
|
{
|
|
if (JSONCONS_UNLIKELY(++nesting_depth_ > options_.max_nesting_depth()))
|
|
{
|
|
ec = msgpack_errc::max_nesting_depth_exceeded;
|
|
more_ = false;
|
|
return;
|
|
}
|
|
std::size_t length = get_size(type, ec);
|
|
if (!more_)
|
|
{
|
|
return;
|
|
}
|
|
state_stack_.emplace_back(parse_mode::array,length);
|
|
more_ = visitor.begin_array(length, semantic_tag::none, *this, ec);
|
|
}
|
|
|
|
void end_array(item_event_visitor& visitor, std::error_code& ec)
|
|
{
|
|
--nesting_depth_;
|
|
|
|
more_ = visitor.end_array(*this, ec);
|
|
state_stack_.pop_back();
|
|
}
|
|
|
|
void begin_object(item_event_visitor& visitor, uint8_t type, std::error_code& ec)
|
|
{
|
|
if (JSONCONS_UNLIKELY(++nesting_depth_ > options_.max_nesting_depth()))
|
|
{
|
|
ec = msgpack_errc::max_nesting_depth_exceeded;
|
|
more_ = false;
|
|
return;
|
|
}
|
|
std::size_t length = get_size(type, ec);
|
|
if (!more_)
|
|
{
|
|
return;
|
|
}
|
|
state_stack_.emplace_back(parse_mode::map_key,length);
|
|
more_ = visitor.begin_object(length, semantic_tag::none, *this, ec);
|
|
}
|
|
|
|
void end_object(item_event_visitor& visitor, std::error_code& ec)
|
|
{
|
|
--nesting_depth_;
|
|
more_ = visitor.end_object(*this, ec);
|
|
state_stack_.pop_back();
|
|
}
|
|
|
|
std::size_t get_size(uint8_t type, std::error_code& ec)
|
|
{
|
|
switch (type)
|
|
{
|
|
case jsoncons::msgpack::msgpack_type::str8_type:
|
|
case jsoncons::msgpack::msgpack_type::bin8_type:
|
|
case jsoncons::msgpack::msgpack_type::ext8_type:
|
|
{
|
|
uint8_t buf[sizeof(int8_t)];
|
|
if (source_.read(buf, sizeof(int8_t)) != sizeof(int8_t))
|
|
{
|
|
ec = msgpack_errc::unexpected_eof;
|
|
more_ = false;
|
|
return 0;
|
|
}
|
|
uint8_t len = binary::big_to_native<uint8_t>(buf, sizeof(buf));
|
|
return static_cast<std::size_t>(len);
|
|
}
|
|
|
|
case jsoncons::msgpack::msgpack_type::str16_type:
|
|
case jsoncons::msgpack::msgpack_type::bin16_type:
|
|
case jsoncons::msgpack::msgpack_type::ext16_type:
|
|
case jsoncons::msgpack::msgpack_type::array16_type:
|
|
case jsoncons::msgpack::msgpack_type::map16_type:
|
|
{
|
|
uint8_t buf[sizeof(int16_t)];
|
|
if (source_.read(buf, sizeof(int16_t)) != sizeof(int16_t))
|
|
{
|
|
ec = msgpack_errc::unexpected_eof;
|
|
more_ = false;
|
|
return 0;
|
|
}
|
|
uint16_t len = binary::big_to_native<uint16_t>(buf, sizeof(buf));
|
|
return static_cast<std::size_t>(len);
|
|
}
|
|
|
|
case jsoncons::msgpack::msgpack_type::str32_type:
|
|
case jsoncons::msgpack::msgpack_type::bin32_type:
|
|
case jsoncons::msgpack::msgpack_type::ext32_type:
|
|
case jsoncons::msgpack::msgpack_type::array32_type:
|
|
case jsoncons::msgpack::msgpack_type::map32_type :
|
|
{
|
|
uint8_t buf[sizeof(int32_t)];
|
|
if (source_.read(buf, sizeof(int32_t)) != sizeof(int32_t))
|
|
{
|
|
ec = msgpack_errc::unexpected_eof;
|
|
more_ = false;
|
|
return 0;
|
|
}
|
|
uint32_t len = binary::big_to_native<uint32_t>(buf, sizeof(buf));
|
|
return static_cast<std::size_t>(len);
|
|
}
|
|
case jsoncons::msgpack::msgpack_type::fixext1_type:
|
|
return 1;
|
|
case jsoncons::msgpack::msgpack_type::fixext2_type:
|
|
return 2;
|
|
case jsoncons::msgpack::msgpack_type::fixext4_type:
|
|
return 4;
|
|
case jsoncons::msgpack::msgpack_type::fixext8_type:
|
|
return 8;
|
|
case jsoncons::msgpack::msgpack_type::fixext16_type:
|
|
return 16;
|
|
default:
|
|
if ((type > 0x8f && type <= 0x9f) // fixarray
|
|
|| (type > 0x7f && type <= 0x8f) // fixmap
|
|
)
|
|
{
|
|
return type & 0x0f;
|
|
}
|
|
else
|
|
{
|
|
ec = msgpack_errc::unknown_type;
|
|
more_ = false;
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
}}
|
|
|
|
#endif
|