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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:48:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:48:59 +0000 |
commit | c484829272cd13a738e35412498e12f2c9a194ac (patch) | |
tree | a1f5ec09629ee895bd3963fa8820b45f2f4c574b /include/orcus/json_parser_thread.hpp | |
parent | Initial commit. (diff) | |
download | liborcus-upstream.tar.xz liborcus-upstream.zip |
Adding upstream version 0.19.2.upstream/0.19.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/orcus/json_parser_thread.hpp')
-rw-r--r-- | include/orcus/json_parser_thread.hpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/include/orcus/json_parser_thread.hpp b/include/orcus/json_parser_thread.hpp new file mode 100644 index 0000000..8328ef1 --- /dev/null +++ b/include/orcus/json_parser_thread.hpp @@ -0,0 +1,104 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#ifndef INCLUDED_ORCUS_JSON_PARSER_THREAD_HPP +#define INCLUDED_ORCUS_JSON_PARSER_THREAD_HPP + +#include "env.hpp" +#include "types.hpp" + +#include <memory> +#include <vector> +#include <ostream> +#include <variant> + +namespace orcus { + +class string_pool; + +namespace json { + +struct ORCUS_PSR_DLLPUBLIC parser_stats +{ + size_t token_buffer_size_threshold; +}; + +enum class parse_token_t +{ + unknown, + begin_parse, + end_parse, + begin_array, + end_array, + begin_object, + object_key, + end_object, + boolean_true, + boolean_false, + null, + string, + number, + parse_error, +}; + +struct ORCUS_PSR_DLLPUBLIC parse_token +{ + using value_type = std::variant<std::string_view, parse_error_value_t, double>; + + parse_token_t type; + value_type value; + + parse_token(); + parse_token(parse_token_t _type); + parse_token(parse_token_t _type, std::string_view s); + parse_token(std::string_view s, std::ptrdiff_t offset); + parse_token(double value); + + parse_token(const parse_token& other); + + parse_token& operator= (parse_token) = delete; + + bool operator== (const parse_token& other) const; + bool operator!= (const parse_token& other) const; +}; + +typedef std::vector<parse_token> parse_tokens_t; + +ORCUS_PSR_DLLPUBLIC std::ostream& operator<< (std::ostream& os, const parse_tokens_t& tokens); + +class ORCUS_PSR_DLLPUBLIC parser_thread +{ + struct impl; + std::unique_ptr<impl> mp_impl; + +public: + parser_thread(const char* p, size_t n, size_t min_token_size); + parser_thread(const char* p, size_t n, size_t min_token_size, size_t max_token_size); + ~parser_thread(); + + void start(); + + /** + * Wait until new set of tokens becomes available. + * + * @param tokens new set of tokens. + * + * @return true if the parsing is still in progress (therefore more tokens + * to come), false if it's done i.e. this is the last token set. + */ + bool next_tokens(parse_tokens_t& tokens); + + parser_stats get_stats() const; + + void swap_string_pool(string_pool& pool); +}; + +}} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |