stream.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 INCLUDED_ORCUS_STREAM_HPP
#define INCLUDED_ORCUS_STREAM_HPP
 
#include "env.hpp"
 
#include <memory>
#include <string>
 
namespace orcus {

class ORCUS_PSR_DLLPUBLIC file_content
{
    struct impl;
    std::unique_ptr<impl> mp_impl;
public:
    file_content(const file_content&) = delete;
    file_content& operator= (const file_content&) = delete;
 
    file_content();
    file_content(file_content&& other);
    file_content(std::string_view filepath);
    file_content(std::u16string_view filepath);
    ~file_content();

    const char* data() const;

    size_t size() const;

    bool empty() const;

    void swap(file_content& other);

    void load(std::string_view filepath);

    void convert_to_utf8();
 
    std::string_view str() const;
};

class ORCUS_PSR_DLLPUBLIC memory_content
{
    struct impl;
    std::unique_ptr<impl> mp_impl;
public:
    memory_content(const file_content&) = delete;
    memory_content& operator= (const file_content&) = delete;
 
    memory_content();
    memory_content(std::string_view s);
    memory_content(memory_content&& other);
    ~memory_content();
 
    const char* data() const;
    size_t size() const;
    bool empty() const;
 
    void swap(memory_content& other);

    void convert_to_utf8();
 
    std::string_view str() const;
};
 
struct ORCUS_PSR_DLLPUBLIC line_with_offset
{
    std::string line;
    std::size_t line_number;
    std::size_t offset_on_line;
 
    line_with_offset(std::string _line, std::size_t _line_number, std::size_t _offset_on_line);
    line_with_offset(const line_with_offset& other);
    line_with_offset(line_with_offset&& other);
    ~line_with_offset();
 
    bool operator== (const line_with_offset& other) const;
    bool operator!= (const line_with_offset& other) const;
};

ORCUS_PSR_DLLPUBLIC std::string create_parse_error_output(std::string_view strm, std::ptrdiff_t offset);

ORCUS_PSR_DLLPUBLIC line_with_offset locate_line_with_offset(std::string_view strm, std::ptrdiff_t offset);

ORCUS_PSR_DLLPUBLIC std::size_t locate_first_different_char(std::string_view left, std::string_view right);

ORCUS_PSR_DLLPUBLIC std::size_t calc_logical_string_length(std::string_view s);
 
} // namespace orcus
 
#endif
 
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */