From 1d055261b4144dbf86b2658437015b15d4dd9bff Mon Sep 17 00:00:00 2001
From: Richard <q@1bpm.net>
Date: Sun, 4 Sep 2022 00:32:56 +0100
Subject: initial

---
 include/jsoncons_ext/bson/bson_reader.hpp | 92 +++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 include/jsoncons_ext/bson/bson_reader.hpp

(limited to 'include/jsoncons_ext/bson/bson_reader.hpp')

diff --git a/include/jsoncons_ext/bson/bson_reader.hpp b/include/jsoncons_ext/bson/bson_reader.hpp
new file mode 100644
index 0000000..0079cc9
--- /dev/null
+++ b/include/jsoncons_ext/bson/bson_reader.hpp
@@ -0,0 +1,92 @@
+// 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_BSON_BSON_READER_HPP
+#define JSONCONS_BSON_BSON_READER_HPP
+
+#include <string>
+#include <vector>
+#include <memory>
+#include <utility> // std::move
+#include <jsoncons/json.hpp>
+#include <jsoncons/source.hpp>
+#include <jsoncons/json_visitor.hpp>
+#include <jsoncons/config/jsoncons_config.hpp>
+#include <jsoncons_ext/bson/bson_type.hpp>
+#include <jsoncons_ext/bson/bson_error.hpp>
+#include <jsoncons_ext/bson/bson_parser.hpp>
+
+namespace jsoncons { namespace bson {
+
+template <class Source,class Allocator=std::allocator<char>>
+class basic_bson_reader 
+{
+    basic_bson_parser<Source,Allocator> parser_;
+    json_visitor& visitor_;
+public:
+    template <class Sourceable>
+    basic_bson_reader(Sourceable&& source, 
+                      json_visitor& visitor, 
+                      const Allocator alloc)
+       : basic_bson_reader(std::forward<Sourceable>(source),
+                           visitor,
+                           bson_decode_options(),
+                           alloc)
+    {
+    }
+
+    template <class Sourceable>
+    basic_bson_reader(Sourceable&& source, 
+                      json_visitor& visitor, 
+                      const bson_decode_options& options = bson_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 bson_stream_reader = basic_bson_reader<jsoncons::binary_stream_source>;
+using bson_bytes_reader = basic_bson_reader<jsoncons::bytes_source>;
+
+#if !defined(JSONCONS_NO_DEPRECATED) 
+JSONCONS_DEPRECATED_MSG("Instead, use bson_stream_reader") typedef bson_stream_reader bson_reader;
+JSONCONS_DEPRECATED_MSG("Instead, use bson_bytes_reader") typedef bson_bytes_reader bson_buffer_reader;
+#endif
+
+}}
+
+#endif
-- 
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