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/* -*- 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: */
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