Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Toolbox/OrthancDatasets/FullOrthancDataset.cpp @ 2181:eae006bfeea6 default tip
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 26 Nov 2024 16:37:46 +0100 |
parents | 16c01cc201e7 |
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/** * 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 "FullOrthancDataset.h" #include <OrthancException.h> #include <stdio.h> #include <cassert> namespace OrthancStone { static const Json::Value* AccessTag(const Json::Value& dataset, const Orthanc::DicomTag& tag) { if (dataset.type() != Json::objectValue) { throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); } char name[16]; sprintf(name, "%04x,%04x", tag.GetGroup(), tag.GetElement()); if (!dataset.isMember(name)) { return NULL; } const Json::Value& value = dataset[name]; if (value.type() != Json::objectValue || !value.isMember("Name") || !value.isMember("Type") || !value.isMember("Value") || value["Name"].type() != Json::stringValue || value["Type"].type() != Json::stringValue) { throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); } return &value; } static const Json::Value& GetSequenceContent(const Json::Value& sequence) { assert(sequence.type() == Json::objectValue); assert(sequence.isMember("Type")); assert(sequence.isMember("Value")); const Json::Value& value = sequence["Value"]; if (sequence["Type"].asString() != "Sequence" || value.type() != Json::arrayValue) { throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); } else { return value; } } static bool GetStringInternal(std::string& result, const Json::Value& tag) { assert(tag.type() == Json::objectValue); assert(tag.isMember("Type")); assert(tag.isMember("Value")); const Json::Value& value = tag["Value"]; if (tag["Type"].asString() != "String" || value.type() != Json::stringValue) { throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); } else { result = value.asString(); return true; } } const Json::Value* FullOrthancDataset::LookupPath(const Orthanc::DicomPath& path) const { const Json::Value* content = &root_; for (unsigned int depth = 0; depth < path.GetPrefixLength(); depth++) { const Json::Value* sequence = AccessTag(*content, path.GetPrefixTag(depth)); if (sequence == NULL) { return NULL; } const Json::Value& nextContent = GetSequenceContent(*sequence); size_t index = path.GetPrefixIndex(depth); if (index >= nextContent.size()) { return NULL; } else { content = &nextContent[static_cast<Json::Value::ArrayIndex>(index)]; } } return AccessTag(*content, path.GetFinalTag()); } void FullOrthancDataset::CheckRoot() const { if (root_.type() != Json::objectValue) { throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); } } FullOrthancDataset::FullOrthancDataset(IOrthancConnection& orthanc, const std::string& uri) { IOrthancConnection::RestApiGet(root_, orthanc, uri); CheckRoot(); } FullOrthancDataset::FullOrthancDataset(const std::string& content) { IOrthancConnection::ParseJson(root_, content); CheckRoot(); } FullOrthancDataset::FullOrthancDataset(const void* content, size_t size) { IOrthancConnection::ParseJson(root_, content, size); CheckRoot(); } FullOrthancDataset::FullOrthancDataset(const Json::Value& root) : root_(root) { CheckRoot(); } bool FullOrthancDataset::GetStringValue(std::string& result, const Orthanc::DicomPath& path) const { const Json::Value* value = LookupPath(path); if (value == NULL) { return false; } else { return GetStringInternal(result, *value); } } bool FullOrthancDataset::GetSequenceSize(size_t& size, const Orthanc::DicomPath& path) const { const Json::Value* sequence = LookupPath(path); if (sequence == NULL) { return false; } else { size = GetSequenceContent(*sequence).size(); return true; } } }