Mercurial > hg > orthanc-stone
diff OrthancStone/Sources/Toolbox/OrthancDatasets/OrthancNativeDataset.cpp @ 2174:2410a171ebfb
refactoring using DicomWebDataset and OrthancNativeDataset
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 22 Oct 2024 21:52:34 +0200 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancStone/Sources/Toolbox/OrthancDatasets/OrthancNativeDataset.cpp Tue Oct 22 21:52:34 2024 +0200 @@ -0,0 +1,213 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2023 Osimis S.A., Belgium + * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, 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 "OrthancNativeDataset.h" + +#include <OrthancException.h> + + +static const char* const NAME = "Name"; +static const char* const TYPE = "Type"; +static const char* const VALUE = "Value"; + + +namespace OrthancStone +{ + const Json::Value* OrthancNativeDataset::LookupValue(std::string& type, + const Orthanc::DicomPath& path) const + { + if (path.IsPrefixUniversal(0)) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); + } + + const Orthanc::DicomValue* rootSequence = dicom_->TestAndGetValue(path.GetPrefixTag(0)); + if (rootSequence == NULL || + !rootSequence->IsSequence()) + { + return NULL; + } + + Json::ArrayIndex index = path.GetPrefixIndex(0); + + if (rootSequence->GetSequenceContent().type() != Json::arrayValue) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); + } + + if (index >= rootSequence->GetSequenceContent().size()) + { + return NULL; + } + + const Json::Value* current = &(rootSequence->GetSequenceContent() [index]); + + for (size_t i = 1; i < path.GetPrefixLength(); i++) + { + if (path.IsPrefixUniversal(i)) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); + } + + index = path.GetPrefixIndex(i); + std::string tag = path.GetPrefixTag(i).Format(); + + if (current->type() != Json::objectValue) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); + } + + if (!current->isMember(tag)) + { + return NULL; + } + + if ((*current) [tag].type() != Json::objectValue || + !(*current) [tag].isMember(NAME) || + !(*current) [tag].isMember(TYPE) || + !(*current) [tag].isMember(VALUE) || + (*current) [tag][NAME].type() != Json::stringValue || + (*current) [tag][TYPE].type() != Json::stringValue) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); + } + + if ((*current) [tag][TYPE].asString() != "Sequence" || + (*current) [tag][VALUE].type() != Json::arrayValue || + index >= (*current) [tag][VALUE].size()) + { + return NULL; + } + + current = &(*current) [tag][VALUE][index]; + } + + std::string tag = path.GetFinalTag().Format(); + + if (current->type() != Json::objectValue) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); + } + + if (!current->isMember(tag)) + { + return NULL; + } + + if ((*current) [tag].type() != Json::objectValue || + !(*current) [tag].isMember(NAME) || + !(*current) [tag].isMember(TYPE) || + !(*current) [tag].isMember(VALUE) || + (*current) [tag][NAME].type() != Json::stringValue || + (*current) [tag][TYPE].type() != Json::stringValue) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); + } + else + { + type = (*current) [tag][TYPE].asString(); + return &((*current) [tag][VALUE]); + } + } + + + OrthancNativeDataset::OrthancNativeDataset(const Json::Value& dicom) : + dicom_(new Orthanc::DicomMap) + { + dicom_->FromDicomAsJson(dicom, false, true /* parse sequences */); + } + + + bool OrthancNativeDataset::GetStringValue(std::string& result, + const Orthanc::DicomPath& path) const + { + if (path.GetPrefixLength() == 0) + { + return dicom_->LookupStringValue(result, path.GetFinalTag(), false); + } + else + { + std::string type; + const Json::Value* value = LookupValue(type, path); + + if (value == NULL) + { + return false; + } + else if (type == "String" && + value->type() == Json::stringValue) + { + result = value->asString(); + return true; + } + else + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); + } + } + } + + + bool OrthancNativeDataset::GetSequenceSize(size_t& size, + const Orthanc::DicomPath& path) const + { + if (path.GetPrefixLength() == 0) + { + const Orthanc::DicomValue* value = dicom_->TestAndGetValue(path.GetFinalTag()); + if (value == NULL || + !value->IsSequence()) + { + return false; + } + else if (value->GetSequenceContent().type() != Json::arrayValue) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); + } + else + { + size = value->GetSequenceContent().size(); + return true; + } + } + else + { + std::string type; + const Json::Value* value = LookupValue(type, path); + + if (value == NULL || + type != "Sequence") + { + return false; + } + else if (value->type() != Json::arrayValue) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); + } + else + { + size = value->size(); + return true; + } + } + } +}