60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
|
|
*/
|
|
|
|
#ifndef __UTIL_MEMORY_BUFFER_PAGED_HPP
|
|
#define __UTIL_MEMORY_BUFFER_PAGED_HPP
|
|
|
|
#include <cstddef>
|
|
|
|
namespace util { namespace memory { namespace 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
|