Mercurial > hg > orthanc
view OrthancServer/DicomInstanceToStore.cpp @ 3699:efa815dd2c20
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 26 Feb 2020 12:19:34 +0100 |
parents | 94f4a18a79cc |
children | 2a170a8f1faf |
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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 "PrecompiledHeadersServer.h" #include "DicomInstanceToStore.h" #include "../Core/DicomParsing/FromDcmtkBridge.h" #include "../Core/DicomParsing/ParsedDicomFile.h" #include "../Core/Logging.h" #include "../Core/OrthancException.h" #include <dcmtk/dcmdata/dcfilefo.h> #include <dcmtk/dcmdata/dcdeftag.h> namespace Orthanc { // Anonymous namespace to avoid clashes between compilation modules namespace { template <typename T> class SmartContainer { private: T* content_; bool toDelete_; bool isReadOnly_; void Deallocate() { if (content_ && toDelete_) { delete content_; toDelete_ = false; content_ = NULL; } } public: SmartContainer() : content_(NULL), toDelete_(false), isReadOnly_(true) { } ~SmartContainer() { Deallocate(); } void Allocate() { Deallocate(); content_ = new T; toDelete_ = true; isReadOnly_ = false; } void TakeOwnership(T* content) { if (content == NULL) { throw OrthancException(ErrorCode_ParameterOutOfRange); } Deallocate(); content_ = content; toDelete_ = true; isReadOnly_ = false; } void SetReference(T& content) // Read and write assign, without transfering ownership { Deallocate(); content_ = &content; toDelete_ = false; isReadOnly_ = false; } void SetConstReference(const T& content) // Read-only assign, without transfering ownership { Deallocate(); content_ = &const_cast<T&>(content); toDelete_ = false; isReadOnly_ = true; } bool HasContent() const { return content_ != NULL; } T& GetContent() { if (content_ == NULL) { throw OrthancException(ErrorCode_BadSequenceOfCalls); } if (isReadOnly_) { throw OrthancException(ErrorCode_ReadOnly); } return *content_; } const T& GetConstContent() const { if (content_ == NULL) { throw OrthancException(ErrorCode_BadSequenceOfCalls); } return *content_; } }; } class DicomInstanceToStore::PImpl { public: DicomInstanceOrigin origin_; SmartContainer<std::string> buffer_; SmartContainer<ParsedDicomFile> parsed_; SmartContainer<DicomMap> summary_; SmartContainer<Json::Value> json_; MetadataMap metadata_; private: std::auto_ptr<DicomInstanceHasher> hasher_; void ComputeMissingInformation() { if (buffer_.HasContent() && summary_.HasContent() && json_.HasContent()) { // Fine, everything is available return; } if (!buffer_.HasContent()) { if (!parsed_.HasContent()) { if (!summary_.HasContent()) { throw OrthancException(ErrorCode_NotImplemented); } else { parsed_.TakeOwnership(new ParsedDicomFile(summary_.GetConstContent(), GetDefaultDicomEncoding(), false /* be strict */)); } } // Serialize the parsed DICOM file buffer_.Allocate(); if (!FromDcmtkBridge::SaveToMemoryBuffer(buffer_.GetContent(), *parsed_.GetContent().GetDcmtkObject().getDataset())) { throw OrthancException(ErrorCode_InternalError, "Unable to serialize a DICOM file to a memory buffer"); } } if (summary_.HasContent() && json_.HasContent()) { return; } // At this point, we know that the DICOM file is available as a // memory buffer, but that its summary or its JSON version is // missing if (!parsed_.HasContent()) { parsed_.TakeOwnership(new ParsedDicomFile(buffer_.GetConstContent())); } // At this point, we have parsed the DICOM file if (!summary_.HasContent()) { summary_.Allocate(); FromDcmtkBridge::ExtractDicomSummary(summary_.GetContent(), *parsed_.GetContent().GetDcmtkObject().getDataset()); } if (!json_.HasContent()) { json_.Allocate(); std::set<DicomTag> ignoreTagLength; FromDcmtkBridge::ExtractDicomAsJson(json_.GetContent(), *parsed_.GetContent().GetDcmtkObject().getDataset(), ignoreTagLength); } } public: const char* GetBufferData() { ComputeMissingInformation(); if (!buffer_.HasContent()) { throw OrthancException(ErrorCode_InternalError); } if (buffer_.GetConstContent().size() == 0) { return NULL; } else { return buffer_.GetConstContent().c_str(); } } size_t GetBufferSize() { ComputeMissingInformation(); if (!buffer_.HasContent()) { throw OrthancException(ErrorCode_InternalError); } return buffer_.GetConstContent().size(); } const DicomMap& GetSummary() { ComputeMissingInformation(); if (!summary_.HasContent()) { throw OrthancException(ErrorCode_InternalError); } return summary_.GetConstContent(); } const Json::Value& GetJson() { ComputeMissingInformation(); if (!json_.HasContent()) { throw OrthancException(ErrorCode_InternalError); } return json_.GetConstContent(); } DicomInstanceHasher& GetHasher() { if (hasher_.get() == NULL) { hasher_.reset(new DicomInstanceHasher(GetSummary())); } if (hasher_.get() == NULL) { throw OrthancException(ErrorCode_InternalError); } return *hasher_; } bool LookupTransferSyntax(std::string& result) { ComputeMissingInformation(); DicomMap header; if (DicomMap::ParseDicomMetaInformation(header, GetBufferData(), GetBufferSize())) { const DicomValue* value = header.TestAndGetValue(DICOM_TAG_TRANSFER_SYNTAX_UID); if (value != NULL && !value->IsBinary() && !value->IsNull()) { result = Toolbox::StripSpaces(value->GetContent()); return true; } } return false; } }; DicomInstanceToStore::DicomInstanceToStore() : pimpl_(new PImpl) { } void DicomInstanceToStore::SetOrigin(const DicomInstanceOrigin& origin) { pimpl_->origin_ = origin; } const DicomInstanceOrigin& DicomInstanceToStore::GetOrigin() const { return pimpl_->origin_; } void DicomInstanceToStore::SetBuffer(const std::string& dicom) { pimpl_->buffer_.SetConstReference(dicom); } void DicomInstanceToStore::SetParsedDicomFile(ParsedDicomFile& parsed) { pimpl_->parsed_.SetReference(parsed); } void DicomInstanceToStore::SetSummary(const DicomMap& summary) { pimpl_->summary_.SetConstReference(summary); } void DicomInstanceToStore::SetJson(const Json::Value& json) { pimpl_->json_.SetConstReference(json); } const DicomInstanceToStore::MetadataMap& DicomInstanceToStore::GetMetadata() const { return pimpl_->metadata_; } DicomInstanceToStore::MetadataMap& DicomInstanceToStore::GetMetadata() { return pimpl_->metadata_; } void DicomInstanceToStore::AddMetadata(ResourceType level, MetadataType metadata, const std::string& value) { pimpl_->metadata_[std::make_pair(level, metadata)] = value; } const char* DicomInstanceToStore::GetBufferData() { return pimpl_->GetBufferData(); } size_t DicomInstanceToStore::GetBufferSize() { return pimpl_->GetBufferSize(); } const DicomMap& DicomInstanceToStore::GetSummary() { return pimpl_->GetSummary(); } const Json::Value& DicomInstanceToStore::GetJson() { return pimpl_->GetJson(); } bool DicomInstanceToStore::LookupTransferSyntax(std::string& result) { return pimpl_->LookupTransferSyntax(result); } DicomInstanceHasher& DicomInstanceToStore::GetHasher() { return pimpl_->GetHasher(); } }