Mercurial > hg > orthanc
view Plugins/Samples/Common/DicomDatasetReader.cpp @ 3767:c6658187e4b1
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 17 Mar 2020 14:46:06 +0100 |
parents | 94f4a18a79cc |
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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 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 "OrthancPluginException.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(const IDicomDataset& dataset) : dataset_(dataset) { } std::string DicomDatasetReader::GetStringValue(const DicomPath& path, const std::string& defaultValue) const { std::string s; if (dataset_.GetStringValue(s, path)) { return s; } else { return defaultValue; } } std::string DicomDatasetReader::GetMandatoryStringValue(const DicomPath& path) const { std::string s; if (dataset_.GetStringValue(s, path)) { return s; } else { ORTHANC_PLUGINS_THROW_EXCEPTION(InexistentTag); } } template <typename T> static bool GetValueInternal(T& target, const IDicomDataset& dataset, const DicomPath& path) { try { std::string s; if (dataset.GetStringValue(s, path)) { target = boost::lexical_cast<T>(StripSpaces(s)); return true; } else { return false; } } catch (boost::bad_lexical_cast&) { ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); } } bool DicomDatasetReader::GetIntegerValue(int& target, const DicomPath& path) const { return GetValueInternal<int>(target, dataset_, path); } bool DicomDatasetReader::GetUnsignedIntegerValue(unsigned int& target, const DicomPath& path) const { int value; if (!GetIntegerValue(value, path)) { return false; } else if (value >= 0) { target = static_cast<unsigned int>(value); return true; } else { ORTHANC_PLUGINS_THROW_EXCEPTION(ParameterOutOfRange); } } bool DicomDatasetReader::GetFloatValue(float& target, const DicomPath& path) const { return GetValueInternal<float>(target, dataset_, path); } bool DicomDatasetReader::GetDoubleValue(double& target, const DicomPath& path) const { return GetValueInternal<double>(target, dataset_, path); } }