parser_global.hpp

/* -*- 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 ORCUS_PARSER_GLOBAL_HPP
#define ORCUS_PARSER_GLOBAL_HPP
 
#include "env.hpp"
 
#include <sstream>
 
namespace orcus {
 
class cell_buffer;

enum class string_escape_char_t
{
    invalid,
    regular_char,
    control_char,
    unicode,
};

struct parse_quoted_string_state
{
    static constexpr std::size_t error_no_closing_quote = 1;
    static constexpr std::size_t error_illegal_escape_char = 2;
    static constexpr std::size_t error_invalid_hex_digits = 3;
 
    const char* str;
    std::size_t length;

    bool transient;

    bool has_control_character;
};
 
ORCUS_PSR_DLLPUBLIC bool is_blank(char c);
ORCUS_PSR_DLLPUBLIC bool is_alpha(char c);
ORCUS_PSR_DLLPUBLIC bool is_numeric(char c);

ORCUS_PSR_DLLPUBLIC bool is_in(char c, std::string_view allowed);

ORCUS_PSR_DLLPUBLIC const char* parse_numeric(const char* p, const char* p_end, double& value);

ORCUS_PSR_DLLPUBLIC const char* parse_integer(const char* p, const char* p_end, long& value);

ORCUS_PSR_DLLPUBLIC parse_quoted_string_state parse_single_quoted_string(
    const char*& p, std::size_t max_length, cell_buffer& buffer);

ORCUS_PSR_DLLPUBLIC const char* parse_to_closing_single_quote(
    const char* p, std::size_t max_length);
 
ORCUS_PSR_DLLPUBLIC parse_quoted_string_state parse_double_quoted_string(
    const char*& p, std::size_t max_length, cell_buffer& buffer);

ORCUS_PSR_DLLPUBLIC const char* parse_to_closing_double_quote(
    const char* p, std::size_t max_length);

ORCUS_PSR_DLLPUBLIC string_escape_char_t get_string_escape_char_type(char c);
 
ORCUS_PSR_DLLPUBLIC std::string_view trim(std::string_view str);
 
}
 
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */