libcruft-util/memory/buffer/paged.hpp
Danny Robson f6056153e3 rename root namespace from util to cruft
This places, at long last, the core library code into the same namespace
as the extended library code.
2018-08-05 14:42:02 +10:00

52 lines
1.2 KiB
C++

/*
* 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/.
*
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_MEMORY_BUFFER_PAGED_HPP
#define __UTIL_MEMORY_BUFFER_PAGED_HPP
#include <cstddef>
namespace cruft::memory::buffer {
class paged {
public:
using value_type = char;
paged (size_t bytes, size_t window);
~paged ();
paged (const paged&) = delete;
paged (paged &&) = delete;
paged& operator= (const paged&) = delete;
paged& operator= (paged &&) = delete;
char* begin (void)&;
char* end (void)&;
const char* cbegin (void)&;
const char* cend (void)&;
const char* begin (void) const&;
const char* end (void) const&;
void access (char*);
size_t size (void) const;
size_t capacity (void) const;
size_t window (void) const;
private:
void commit (char*);
void release (char*);
char *m_begin, *m_end, *m_cursor;
size_t m_window;
};
}
#endif