Mercurial > hg > orthanc
view OrthancFramework/Sources/ChunkedBuffer.cpp @ 4542:3591305a727b Orthanc-1.7.2
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 02 Mar 2021 16:52:21 +0100 |
parents | bf7b9edf6b81 |
children | 732ad6c618ba |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2020 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #include "PrecompiledHeaders.h" #include "ChunkedBuffer.h" #include <cassert> #include <string.h> namespace Orthanc { void ChunkedBuffer::Clear() { numBytes_ = 0; for (Chunks::iterator it = chunks_.begin(); it != chunks_.end(); ++it) { delete *it; } } void ChunkedBuffer::AddChunk(const void* chunkData, size_t chunkSize) { if (chunkSize == 0) { return; } else { assert(chunkData != NULL); chunks_.push_back(new std::string(reinterpret_cast<const char*>(chunkData), chunkSize)); numBytes_ += chunkSize; } } void ChunkedBuffer::AddChunk(const std::string& chunk) { if (chunk.size() > 0) { AddChunk(&chunk[0], chunk.size()); } } void ChunkedBuffer::AddChunkDestructive(std::string& chunk) { size_t chunkSize = chunk.size(); if (chunkSize > 0) { chunks_.push_back(new std::string); chunks_.back()->swap(chunk); numBytes_ += chunkSize; } } void ChunkedBuffer::Flatten(std::string& result) { result.resize(numBytes_); size_t pos = 0; for (Chunks::iterator it = chunks_.begin(); it != chunks_.end(); ++it) { assert(*it != NULL); size_t s = (*it)->size(); if (s != 0) { memcpy(&result[pos], (*it)->c_str(), s); pos += s; } delete *it; } chunks_.clear(); numBytes_ = 0; } }