Mercurial > hg > orthanc
diff OrthancServer/Plugins/Samples/Common/SimplifiedOrthancDataset.cpp @ 4044:d25f4c0fa160 framework
splitting code into OrthancFramework and OrthancServer
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 10 Jun 2020 20:30:34 +0200 |
parents | Plugins/Samples/Common/SimplifiedOrthancDataset.cpp@94f4a18a79cc |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancServer/Plugins/Samples/Common/SimplifiedOrthancDataset.cpp Wed Jun 10 20:30:34 2020 +0200 @@ -0,0 +1,157 @@ +/** + * 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 "SimplifiedOrthancDataset.h" + +#include "OrthancPluginException.h" + +namespace OrthancPlugins +{ + const Json::Value* SimplifiedOrthancDataset::LookupPath(const DicomPath& path) const + { + const Json::Value* content = &root_; + + for (unsigned int depth = 0; depth < path.GetPrefixLength(); depth++) + { + const char* name = path.GetPrefixTag(depth).GetName(); + if (content->type() != Json::objectValue) + { + ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); + } + + if (!content->isMember(name)) + { + return NULL; + } + + const Json::Value& sequence = (*content) [name]; + if (sequence.type() != Json::arrayValue) + { + ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); + } + + size_t index = path.GetPrefixIndex(depth); + if (index >= sequence.size()) + { + return NULL; + } + else + { + content = &sequence[static_cast<Json::Value::ArrayIndex>(index)]; + } + } + + const char* name = path.GetFinalTag().GetName(); + + if (content->type() != Json::objectValue) + { + ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); + } + if (!content->isMember(name)) + { + return NULL; + } + else + { + return &((*content) [name]); + } + } + + + void SimplifiedOrthancDataset::CheckRoot() const + { + if (root_.type() != Json::objectValue) + { + ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); + } + } + + + SimplifiedOrthancDataset::SimplifiedOrthancDataset(IOrthancConnection& orthanc, + const std::string& uri) + { + IOrthancConnection::RestApiGet(root_, orthanc, uri); + CheckRoot(); + } + + + SimplifiedOrthancDataset::SimplifiedOrthancDataset(const std::string& content) + { + IOrthancConnection::ParseJson(root_, content); + CheckRoot(); + } + + + bool SimplifiedOrthancDataset::GetStringValue(std::string& result, + const DicomPath& path) const + { + const Json::Value* value = LookupPath(path); + + if (value == NULL) + { + return false; + } + else if (value->type() != Json::stringValue) + { + ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); + } + else + { + result = value->asString(); + return true; + } + } + + + bool SimplifiedOrthancDataset::GetSequenceSize(size_t& size, + const DicomPath& path) const + { + const Json::Value* sequence = LookupPath(path); + + if (sequence == NULL) + { + // Inexistent path + return false; + } + else if (sequence->type() != Json::arrayValue) + { + // Not a sequence + ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); + } + else + { + size = sequence->size(); + return true; + } + } +}