Mercurial > hg > orthanc-wsi
diff Resources/Orthanc/Plugins/Samples/Common/DicomDatasetReader.cpp @ 60:a59fdb848a7b
new files shared with Orthanc
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 25 Nov 2016 16:38:09 +0100 |
parents | |
children | cd84f27bc8e2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Resources/Orthanc/Plugins/Samples/Common/DicomDatasetReader.cpp Fri Nov 25 16:38:09 2016 +0100 @@ -0,0 +1,122 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital 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. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * 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 "DicomDatasetReader.h" + +#include "OrthancPluginCppWrapper.h" + +#include <boost/lexical_cast.hpp> + +namespace OrthancPlugins +{ + // This function is copied-pasted from "../../../Core/Toolbox.cpp", + // in order to avoid the dependency of plugins against the Orthanc core + static std::string StripSpaces(const std::string& source) + { + size_t first = 0; + + while (first < source.length() && + isspace(source[first])) + { + first++; + } + + if (first == source.length()) + { + // String containing only spaces + return ""; + } + + size_t last = source.length(); + while (last > first && + isspace(source[last - 1])) + { + last--; + } + + assert(first <= last); + return source.substr(first, last - first); + } + + + DicomDatasetReader::DicomDatasetReader(IDicomDataset* dataset) : // takes ownership + dataset_(dataset) + { + if (dataset == NULL) + { + ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_NullPointer); + } + } + + + std::string DicomDatasetReader::GetMandatoryStringValue(const DicomPath& path) const + { + std::string s; + if (dataset_->GetStringValue(s, path)) + { + return s; + } + else + { + ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_InexistentTag); + } + } + + + int DicomDatasetReader::GetIntegerValue(const DicomPath& path) + { + try + { + std::string s = StripSpaces(GetMandatoryStringValue(path)); + return boost::lexical_cast<int>(s); + } + catch (boost::bad_lexical_cast&) + { + ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_BadFileFormat); + } + } + + + unsigned int DicomDatasetReader::GetUnsignedIntegerValue(const DicomPath& path) + { + int value = GetIntegerValue(path); + + if (value >= 0) + { + return static_cast<unsigned int>(value); + } + else + { + ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_ParameterOutOfRange); + } + } +}