Mercurial > hg > orthanc
diff OrthancFramework/Sources/Compression/HierarchicalZipWriter.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 | Core/Compression/HierarchicalZipWriter.cpp@94f4a18a79cc |
children | bf7b9edf6b81 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancFramework/Sources/Compression/HierarchicalZipWriter.cpp Wed Jun 10 20:30:34 2020 +0200 @@ -0,0 +1,182 @@ +/** + * 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 "../PrecompiledHeaders.h" +#include "HierarchicalZipWriter.h" + +#include "../Toolbox.h" +#include "../OrthancException.h" + +#include <boost/lexical_cast.hpp> + +namespace Orthanc +{ + std::string HierarchicalZipWriter::Index::KeepAlphanumeric(const std::string& source) + { + std::string result; + + bool lastSpace = false; + + result.reserve(source.size()); + for (size_t i = 0; i < source.size(); i++) + { + char c = source[i]; + if (c == '^') + c = ' '; + + if (c <= 127 && + c >= 0) + { + if (isspace(c)) + { + if (!lastSpace) + { + lastSpace = true; + result.push_back(' '); + } + } + else if (isalnum(c) || + c == '.' || + c == '_') + { + result.push_back(c); + lastSpace = false; + } + } + } + + return Toolbox::StripSpaces(result); + } + + std::string HierarchicalZipWriter::Index::GetCurrentDirectoryPath() const + { + std::string result; + + Stack::const_iterator it = stack_.begin(); + ++it; // Skip the root node (to avoid absolute paths) + + while (it != stack_.end()) + { + result += (*it)->name_ + "/"; + ++it; + } + + return result; + } + + std::string HierarchicalZipWriter::Index::EnsureUniqueFilename(const char* filename) + { + std::string standardized = KeepAlphanumeric(filename); + + Directory& d = *stack_.back(); + Directory::Content::iterator it = d.content_.find(standardized); + + if (it == d.content_.end()) + { + d.content_[standardized] = 1; + return standardized; + } + else + { + it->second++; + return standardized + "-" + boost::lexical_cast<std::string>(it->second); + } + } + + HierarchicalZipWriter::Index::Index() + { + stack_.push_back(new Directory); + } + + HierarchicalZipWriter::Index::~Index() + { + for (Stack::iterator it = stack_.begin(); it != stack_.end(); ++it) + { + delete *it; + } + } + + std::string HierarchicalZipWriter::Index::OpenFile(const char* name) + { + return GetCurrentDirectoryPath() + EnsureUniqueFilename(name); + } + + void HierarchicalZipWriter::Index::OpenDirectory(const char* name) + { + std::string d = EnsureUniqueFilename(name); + + // Push the new directory onto the stack + stack_.push_back(new Directory); + stack_.back()->name_ = d; + } + + void HierarchicalZipWriter::Index::CloseDirectory() + { + if (IsRoot()) + { + // Cannot close the root node + throw OrthancException(ErrorCode_BadSequenceOfCalls); + } + + delete stack_.back(); + stack_.pop_back(); + } + + + HierarchicalZipWriter::HierarchicalZipWriter(const char* path) + { + writer_.SetOutputPath(path); + writer_.Open(); + } + + HierarchicalZipWriter::~HierarchicalZipWriter() + { + writer_.Close(); + } + + void HierarchicalZipWriter::OpenFile(const char* name) + { + std::string p = indexer_.OpenFile(name); + writer_.OpenFile(p.c_str()); + } + + void HierarchicalZipWriter::OpenDirectory(const char* name) + { + indexer_.OpenDirectory(name); + } + + void HierarchicalZipWriter::CloseDirectory() + { + indexer_.CloseDirectory(); + } +}