60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
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/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2015 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_MEMORY_BUFFER_PAGED_HPP
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#define __UTIL_MEMORY_BUFFER_PAGED_HPP
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#include <cstddef>
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namespace util { namespace memory { namespace buffer {
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class paged {
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public:
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using value_type = char;
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paged (size_t bytes, size_t window);
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~paged ();
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paged (const paged&) = delete;
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paged (paged &&) = delete;
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paged& operator= (const paged&) = delete;
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paged& operator= (paged &&) = delete;
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char* begin (void);
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char* end (void);
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const char* cbegin (void);
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const char* cend (void);
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const char* begin (void) const;
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const char* end (void) const;
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void access (char*);
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size_t size (void) const;
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size_t capacity (void) const;
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size_t window (void) const;
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private:
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void commit (char*);
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void release (char*);
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char *m_begin, *m_end, *m_cursor;
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size_t m_window;
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};
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} } }
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#endif
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