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authorAmlal El Mahrouss <amlal@nekernel.org>2025-11-23 20:16:02 -0500
committerGitHub <noreply@github.com>2025-11-23 20:16:02 -0500
commit85f89ee4bb137100cbeffcbc10168eb8ea52e6cc (patch)
treef6e2063319ceaaa02f523fb5c289e4f37411a2df /dev/lib/fix/fix.hpp
parent9a70f32ddaec0eef99efbf7ff5597c2adf08f45a (diff)
parent65a8349aa5526d071b18cd4d42586c46faaa3823 (diff)
Merge pull request #18 from amlel-el-mahrouss/developv1.0.48
OCL v1.0.48
Diffstat (limited to 'dev/lib/fix/fix.hpp')
-rw-r--r--dev/lib/fix/fix.hpp216
1 files changed, 0 insertions, 216 deletions
diff --git a/dev/lib/fix/fix.hpp b/dev/lib/fix/fix.hpp
deleted file mode 100644
index 08360d5..0000000
--- a/dev/lib/fix/fix.hpp
+++ /dev/null
@@ -1,216 +0,0 @@
-/*
- * File: fix/fix.hpp
- * Purpose: Financial Information Exchange parser in C++
- * Author: Amlal El Mahrouss (amlal@nekernel.org)
- * Copyright 2025, Amlal El Mahrouss, licensed under the Boost Software License.
- */
-
-#ifndef _OCL_FIX_PARSER_HPP
-#define _OCL_FIX_PARSER_HPP
-
-#include <cstddef>
-#include <cassert>
-#include <utility>
-#include <string>
-#include <vector>
-#include <cstdint>
-#include <sys/types.h>
-#include <unistd.h>
-
-namespace ocl::fix
-{
- template <typename char_type>
- class basic_visitor;
-
- template <typename char_type>
- struct basic_range;
-
- template <typename char_type>
- class basic_range_data;
-
- /// @brief Buffer+Length structure
- template <typename char_type = char>
- using range_ptr_t = basic_range<char_type>;
-
- namespace detail
- {
- template <typename char_type = char>
- const char_type* begin_fix() noexcept;
-
- template <>
- inline const char* begin_fix<char>() noexcept
- {
- return "FIX.4.2";
- }
-
- template <>
- inline const char16_t* begin_fix<char16_t>() noexcept
- {
- return u"FIX.4.2";
- }
-
- template <>
- inline const char8_t* begin_fix<char8_t>() noexcept
- {
- return u8"FIX.4.2";
- }
- } // namespace detail
-
- template <typename char_type = char>
- struct basic_range final
- {
- char_type* bytes_{nullptr};
- size_t length_{};
-
- bool is_valid() noexcept
- {
- return this->bytes_ && this->length_ > 0;
- }
-
- explicit operator bool()
- {
- return this->is_valid();
- }
- };
-
- /// @brief Convert basic_range to usable string.
- /// @note This function assumes that the basic_range is valid and contains ASCII bytes.
- template <typename char_type = char>
- inline std::basic_string<char_type> to_string(basic_range<char_type>& basic_range) noexcept
- {
- if (basic_range.length_ < 0)
- return std::basic_string<char_type>{};
-
- return std::basic_string<char_type>(basic_range.ascii_bytes_, basic_range.length_);
- }
-
- /// @brief a basic_range object containing the FIX packet values.
- template <typename char_type = char>
- class basic_range_data final
- {
- public:
- std::size_t magic_len_{};
- std::basic_string<char_type> magic_{};
- std::size_t body_len_{};
- std::vector<std::pair<std::basic_string<char_type>, std::basic_string<char_type>>> body_{};
-
- static inline const char_type* begin = detail::begin_fix<char_type>();
-
- explicit basic_range_data() = default;
- ~basic_range_data() = default;
-
- basic_range_data& operator=(const basic_range_data&) = default;
- basic_range_data(const basic_range_data&) = default;
-
- std::basic_string<char_type> operator[](const std::basic_string<char_type>& key)
- {
- if (key.empty())
- {
- return std::basic_string<char_type>{};
- }
-
- for (const auto& pair : this->body_)
- {
- if (pair.first == key)
- {
- return pair.second;
- }
- }
-
- return std::basic_string<char_type>{};
- }
-
- bool is_valid()
- {
- return magic_.starts_with(basic_range_data<char_type>::begin);
- }
-
- explicit operator bool()
- {
- return this->is_valid();
- }
- };
-
- /// @brief basic_visitor object which returns a fix::basic_range_data instance.
- template <typename char_type = char>
- class basic_visitor final
- {
- public:
- static constexpr const char_type soh = '|';
- static constexpr const char_type eq = '=';
- static constexpr uint32_t base = 10U;
-
- explicit basic_visitor() = default;
- ~basic_visitor() = default;
-
- basic_visitor& operator=(const basic_visitor&) = default;
- basic_visitor(const basic_visitor&) = default;
-
- basic_range<char_type> operator()(const std::basic_string<char_type>& in)
- {
- return this->visit(in);
- }
-
- basic_range_data<char_type> visit(const std::basic_string<char_type>& in)
- {
- thread_local basic_range_data<char_type> ret{};
-
- if (in.empty())
- return ret;
-
- std::basic_string<char_type> in_tmp{"", in.size()};
-
- try
- {
- for (auto& ch : in)
- {
- if (ch != basic_visitor::soh)
- {
- in_tmp += ch;
- continue;
- }
-
- std::basic_string<char_type> key = in_tmp.substr(0, in_tmp.find(basic_visitor::eq));
- std::basic_string<char_type> val = in_tmp.substr(in_tmp.find(basic_visitor::eq) + 1);
-
- if (ret.magic_.empty())
- {
- ret.magic_ = val;
- ret.magic_len_ = ret.magic_.size();
- }
- else
- {
- ret.body_.emplace_back(std::make_pair(key, val));
- ret.body_len_ += in_tmp.size();
- }
-
- in_tmp.clear();
- }
- }
- catch (...)
- {
- in_tmp.clear();
- return ret;
- }
-
- in_tmp.clear();
- return ret;
- }
- };
-
- template <typename char_type = char, typename error_handler>
- inline void must_pass(basic_range_data<char_type>& basic_range, error_handler& handler)
- {
- if (!basic_range.is_valid())
- {
- handler.template error<true>("Invalid FIX Message.");
- }
- }
-
- using fix_tag_type = std::uint32_t;
-
- using range_data = basic_range_data<char>;
- using visitor = basic_visitor<char>;
-} // namespace ocl::fix
-
-#endif // ifndef _OCL_FIX_PARSER_HPP \ No newline at end of file