Mercurial > hg > orthanc
diff Core/ChunkedBuffer.cpp @ 0:3959d33612cc
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 19 Jul 2012 14:32:22 +0200 |
parents | |
children | a15e90e5d6fc |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/ChunkedBuffer.cpp Thu Jul 19 14:32:22 2012 +0200 @@ -0,0 +1,77 @@ +/** + * Palantir - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012 Medical Physics Department, CHU of Liege, + * Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "ChunkedBuffer.h" + +#include <cassert> +#include <string.h> + + +namespace Palantir +{ + void ChunkedBuffer::Clear() + { + numBytes_ = 0; + + for (Chunks::iterator it = chunks_.begin(); + it != chunks_.end(); it++) + { + delete *it; + } + } + + + void ChunkedBuffer::AddChunk(const char* chunkData, + size_t chunkSize) + { + if (chunkSize == 0) + { + return; + } + + assert(chunkData != NULL); + chunks_.push_back(new std::string(chunkData, chunkSize)); + 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(); + } +}