diff options
author | Daniel Friesel <daniel.friesel@uos.de> | 2020-09-07 12:57:04 +0200 |
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committer | Daniel Friesel <daniel.friesel@uos.de> | 2020-09-07 12:57:04 +0200 |
commit | 0558244645611f314f47e0fa427f7323ce253eaf (patch) | |
tree | 824bcd55ec8577703345106d0a08e167407500a7 /include/lib/modernjson/detail/output/output_adapters.hpp | |
parent | 0248c6352f2117e50fac71dd632a79d8fa4f8737 (diff) |
remove external libraries from main branch
Diffstat (limited to 'include/lib/modernjson/detail/output/output_adapters.hpp')
-rw-r--r-- | include/lib/modernjson/detail/output/output_adapters.hpp | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/include/lib/modernjson/detail/output/output_adapters.hpp b/include/lib/modernjson/detail/output/output_adapters.hpp deleted file mode 100644 index 699757d..0000000 --- a/include/lib/modernjson/detail/output/output_adapters.hpp +++ /dev/null @@ -1,119 +0,0 @@ -#pragma once - -#include <algorithm> // copy -#include <cstddef> // size_t -#include <ios> // streamsize -#include <iterator> // back_inserter -#include <memory> // shared_ptr, make_shared -#include <ostream> // basic_ostream -#include <string> // basic_string -#include <vector> // vector - -namespace nlohmann -{ -namespace detail -{ -/// abstract output adapter interface -template<typename CharType> struct output_adapter_protocol -{ - virtual void write_character(CharType c) = 0; - virtual void write_characters(const CharType* s, std::size_t length) = 0; - virtual ~output_adapter_protocol() = default; -}; - -/// a type to simplify interfaces -template<typename CharType> -using output_adapter_t = std::shared_ptr<output_adapter_protocol<CharType>>; - -/// output adapter for byte vectors -template<typename CharType> -class output_vector_adapter : public output_adapter_protocol<CharType> -{ - public: - explicit output_vector_adapter(std::vector<CharType>& vec) noexcept - : v(vec) - {} - - void write_character(CharType c) override - { - v.push_back(c); - } - - void write_characters(const CharType* s, std::size_t length) override - { - std::copy(s, s + length, std::back_inserter(v)); - } - - private: - std::vector<CharType>& v; -}; - -/// output adapter for output streams -template<typename CharType> -class output_stream_adapter : public output_adapter_protocol<CharType> -{ - public: - explicit output_stream_adapter(std::basic_ostream<CharType>& s) noexcept - : stream(s) - {} - - void write_character(CharType c) override - { - stream.put(c); - } - - void write_characters(const CharType* s, std::size_t length) override - { - stream.write(s, static_cast<std::streamsize>(length)); - } - - private: - std::basic_ostream<CharType>& stream; -}; - -/// output adapter for basic_string -template<typename CharType, typename StringType = std::basic_string<CharType>> -class output_string_adapter : public output_adapter_protocol<CharType> -{ - public: - explicit output_string_adapter(StringType& s) noexcept - : str(s) - {} - - void write_character(CharType c) override - { - str.push_back(c); - } - - void write_characters(const CharType* s, std::size_t length) override - { - str.append(s, length); - } - - private: - StringType& str; -}; - -template<typename CharType, typename StringType = std::basic_string<CharType>> -class output_adapter -{ - public: - output_adapter(std::vector<CharType>& vec) - : oa(std::make_shared<output_vector_adapter<CharType>>(vec)) {} - - output_adapter(std::basic_ostream<CharType>& s) - : oa(std::make_shared<output_stream_adapter<CharType>>(s)) {} - - output_adapter(StringType& s) - : oa(std::make_shared<output_string_adapter<CharType, StringType>>(s)) {} - - operator output_adapter_t<CharType>() - { - return oa; - } - - private: - output_adapter_t<CharType> oa = nullptr; -}; -} // namespace detail -} // namespace nlohmann |