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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/encode_json.hpp
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diff --git a/include/jsoncons/encode_json.hpp b/include/jsoncons/encode_json.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_ENCODE_JSON_HPP
+#define JSONCONS_ENCODE_JSON_HPP
+
+#include <iostream>
+#include <string>
+#include <tuple>
+#include <memory>
+#include <istream> // std::basic_istream
+#include <jsoncons/encode_traits.hpp>
+#include <jsoncons/json_cursor.hpp>
+
+namespace jsoncons {
+
+ // to string
+
+ template <class T, class Container>
+ typename std::enable_if<type_traits::is_basic_json<T>::value &&
+ type_traits::is_back_insertable_char_container<Container>::value>::type
+ encode_json(const T& val,
+ Container& s,
+ const basic_json_encode_options<typename Container::value_type>& options =
+ basic_json_encode_options<typename Container::value_type>())
+ {
+ using char_type = typename Container::value_type;
+
+ basic_compact_json_encoder<char_type, jsoncons::string_sink<Container>> encoder(s, options);
+ val.dump(encoder);
+ }
+
+ template <class T, class Container>
+ typename std::enable_if<!type_traits::is_basic_json<T>::value &&
+ type_traits::is_back_insertable_char_container<Container>::value>::type
+ encode_json(const T& val,
+ Container& s,
+ const basic_json_encode_options<typename Container::value_type>& options = basic_json_encode_options<typename Container::value_type>())
+ {
+ using char_type = typename Container::value_type;
+
+ basic_compact_json_encoder<char_type, jsoncons::string_sink<Container>> encoder(s, options);
+ encode_json(val, encoder);
+ }
+
+ // to stream
+
+ template <class T, class CharT>
+ typename std::enable_if<type_traits::is_basic_json<T>::value>::type
+ encode_json(const T& val,
+ std::basic_ostream<CharT>& os,
+ const basic_json_encode_options<CharT>& options = basic_json_encode_options<CharT>())
+ {
+ basic_compact_json_encoder<CharT> encoder(os, options);
+ val.dump(encoder);
+ }
+
+ template <class T, class CharT>
+ typename std::enable_if<!type_traits::is_basic_json<T>::value>::type
+ encode_json(const T& val,
+ std::basic_ostream<CharT>& os,
+ const basic_json_encode_options<CharT>& options = basic_json_encode_options<CharT>())
+ {
+ basic_compact_json_encoder<CharT> encoder(os, options);
+ encode_json(val, encoder);
+ }
+
+ // encode_json_pretty
+
+ template <class T, class Container>
+ typename std::enable_if<type_traits::is_basic_json<T>::value &&
+ type_traits::is_back_insertable_char_container<Container>::value>::type
+ encode_json_pretty(const T& val,
+ Container& s,
+ const basic_json_encode_options<typename Container::value_type>& options = basic_json_encode_options<typename Container::value_type>())
+ {
+ using char_type = typename Container::value_type;
+
+ basic_json_encoder<char_type,jsoncons::string_sink<Container>> encoder(s, options);
+ val.dump(encoder);
+ }
+
+ template <class T, class Container>
+ typename std::enable_if<!type_traits::is_basic_json<T>::value &&
+ type_traits::is_back_insertable_char_container<Container>::value>::type
+ encode_json_pretty(const T& val,
+ Container& s,
+ const basic_json_encode_options<typename Container::value_type>& options = basic_json_encode_options<typename Container::value_type>())
+ {
+ using char_type = typename Container::value_type;
+ basic_json_encoder<char_type,jsoncons::string_sink<Container>> encoder(s, options);
+ encode_json(val, encoder);
+ }
+
+ template <class T, class CharT>
+ typename std::enable_if<type_traits::is_basic_json<T>::value>::type
+ encode_json_pretty(const T& val,
+ std::basic_ostream<CharT>& os,
+ const basic_json_encode_options<CharT>& options = basic_json_encode_options<CharT>())
+ {
+ basic_json_encoder<CharT> encoder(os, options);
+ val.dump(encoder);
+ }
+
+ template <class T, class CharT>
+ typename std::enable_if<!type_traits::is_basic_json<T>::value>::type
+ encode_json_pretty(const T& val,
+ std::basic_ostream<CharT>& os,
+ const basic_json_encode_options<CharT>& options = basic_json_encode_options<CharT>())
+ {
+ basic_json_encoder<CharT> encoder(os, options);
+ encode_json(val, encoder);
+ }
+
+ template <class T, class CharT>
+ void encode_json(const T& val, basic_json_visitor<CharT>& encoder)
+ {
+ std::error_code ec;
+ encode_traits<T,CharT>::encode(val, encoder, basic_json<CharT>(), ec);
+ if (ec)
+ {
+ JSONCONS_THROW(ser_error(ec));
+ }
+ encoder.flush();
+ }
+
+ template <class T, class Container, class TempAllocator>
+ void encode_json(temp_allocator_arg_t, const TempAllocator& temp_alloc,
+ const T& val,
+ Container& s,
+ indenting line_indent = indenting::no_indent)
+ {
+ encode_json(temp_allocator_arg, temp_alloc, val, s, basic_json_encode_options<typename Container::value_type>(), line_indent);
+ }
+
+// legacy
+
+ template <class T, class Container>
+ void encode_json(const T& val, Container& s, indenting line_indent)
+ {
+ if (line_indent == indenting::indent)
+ {
+ encode_json_pretty(val,s);
+ }
+ else
+ {
+ encode_json(val,s);
+ }
+ }
+
+ template <class T, class Container>
+ void encode_json(const T& val,
+ Container& s,
+ const basic_json_encode_options<typename Container::value_type>& options,
+ indenting line_indent)
+ {
+ if (line_indent == indenting::indent)
+ {
+ encode_json_pretty(val,s,options);
+ }
+ else
+ {
+ encode_json(val,s,options);
+ }
+ }
+
+ template <class T, class CharT>
+ void encode_json(const T& val,
+ std::basic_ostream<CharT>& os,
+ indenting line_indent)
+ {
+ if (line_indent == indenting::indent)
+ {
+ encode_json_pretty(val, os);
+ }
+ else
+ {
+ encode_json(val, os);
+ }
+ }
+
+ template <class T, class CharT>
+ void encode_json(const T& val,
+ std::basic_ostream<CharT>& os,
+ const basic_json_encode_options<CharT>& options,
+ indenting line_indent)
+ {
+ if (line_indent == indenting::indent)
+ {
+ encode_json_pretty(val, os, options);
+ }
+ else
+ {
+ encode_json(val, os, options);
+ }
+ }
+
+//end legacy
+
+ template <class T, class Container, class TempAllocator>
+ typename std::enable_if<type_traits::is_basic_json<T>::value &&
+ type_traits::is_back_insertable_char_container<Container>::value>::type
+ encode_json(temp_allocator_arg_t, const TempAllocator& temp_alloc,
+ const T& val,
+ Container& s,
+ const basic_json_encode_options<typename Container::value_type>& options,
+ indenting line_indent = indenting::no_indent)
+ {
+ using char_type = typename Container::value_type;
+ if (line_indent == indenting::indent)
+ {
+ basic_json_encoder<char_type,jsoncons::string_sink<Container>,TempAllocator> encoder(s, options, temp_alloc);
+ val.dump(encoder);
+ }
+ else
+ {
+ basic_compact_json_encoder<char_type, jsoncons::string_sink<Container>,TempAllocator> encoder(s, options, temp_alloc);
+ val.dump(encoder);
+ }
+ }
+
+ template <class T, class Container, class TempAllocator>
+ typename std::enable_if<!type_traits::is_basic_json<T>::value &&
+ type_traits::is_back_insertable_char_container<Container>::value>::type
+ encode_json(temp_allocator_arg_t, const TempAllocator& temp_alloc,
+ const T& val,
+ Container& s,
+ const basic_json_encode_options<typename Container::value_type>& options,
+ indenting line_indent)
+ {
+ using char_type = typename Container::value_type;
+ if (line_indent == indenting::indent)
+ {
+ basic_json_encoder<char_type,jsoncons::string_sink<Container>,TempAllocator> encoder(s, options, temp_alloc);
+ encode_json(temp_allocator_arg, temp_alloc, val, encoder);
+ }
+ else
+ {
+ basic_compact_json_encoder<char_type,jsoncons::string_sink<Container>,TempAllocator> encoder(s, options, temp_alloc);
+ encode_json(temp_allocator_arg, temp_alloc, val, encoder);
+ }
+ }
+
+ template <class T, class CharT, class TempAllocator>
+ void encode_json(temp_allocator_arg_t, const TempAllocator& temp_alloc,
+ const T& val,
+ std::basic_ostream<CharT>& os,
+ indenting line_indent = indenting::no_indent)
+ {
+ encode_json(temp_allocator_arg, temp_alloc, val, os, basic_json_encode_options<CharT>(), line_indent);
+ }
+
+ template <class T, class CharT, class TempAllocator>
+ typename std::enable_if<type_traits::is_basic_json<T>::value>::type
+ encode_json(temp_allocator_arg_t, const TempAllocator& temp_alloc,
+ const T& val,
+ std::basic_ostream<CharT>& os,
+ const basic_json_encode_options<CharT>& options,
+ indenting line_indent = indenting::no_indent)
+ {
+ if (line_indent == indenting::indent)
+ {
+ basic_json_encoder<CharT,jsoncons::stream_sink<CharT>,TempAllocator> encoder(os, options, temp_alloc);
+ val.dump(encoder);
+ }
+ else
+ {
+ basic_compact_json_encoder<CharT,jsoncons::stream_sink<CharT>,TempAllocator> encoder(os, options, temp_alloc);
+ val.dump(encoder);
+ }
+ }
+
+ template <class T, class CharT, class TempAllocator>
+ typename std::enable_if<!type_traits::is_basic_json<T>::value>::type
+ encode_json(temp_allocator_arg_t, const TempAllocator& temp_alloc,
+ const T& val,
+ std::basic_ostream<CharT>& os,
+ const basic_json_encode_options<CharT>& options,
+ indenting line_indent)
+ {
+ if (line_indent == indenting::indent)
+ {
+ basic_json_encoder<CharT> encoder(os, options);
+ encode_json(temp_allocator_arg, temp_alloc, val, encoder);
+ }
+ else
+ {
+ basic_compact_json_encoder<CharT> encoder(os, options);
+ encode_json(temp_allocator_arg, temp_alloc, val, encoder);
+ }
+ }
+
+ template <class T, class CharT, class TempAllocator>
+ typename std::enable_if<!type_traits::is_basic_json<T>::value>::type
+ encode_json(temp_allocator_arg_t, const TempAllocator& temp_alloc,
+ const T& val,
+ basic_json_visitor<CharT>& encoder)
+ {
+ std::error_code ec;
+ basic_json<CharT,sorted_policy,TempAllocator> proto(temp_alloc);
+ encode_traits<T,CharT>::encode(val, encoder, proto, ec);
+ if (ec)
+ {
+ JSONCONS_THROW(ser_error(ec));
+ }
+ encoder.flush();
+ }
+
+} // jsoncons
+
+#endif
+