31 lines
1.1 KiB
C++
31 lines
1.1 KiB
C++
/* Copyright 2018 Dirk Steinke
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#include "pch.h"
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#include <algorithm>
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#include "outputcachestream.h"
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OutputCacheStream::OutputCacheStream(OutputStream& os)
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: _os(os)
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, _cacheStartPos(0) {}
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OutputCacheStream::~OutputCacheStream() {
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}
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void OutputCacheStream::flushUpTo(const uint64_t newStartPos) {
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size_t toWrite = min(newStartPos - _cacheStartPos, (uint64_t)_cache.size());
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size_t written = _os.write(_cache.data(), toWrite);
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_cacheStartPos += written;
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_cache.erase(_cache.begin(), _cache.begin() + written);
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}
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