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view OrthancFramework/Sources/Compression/HierarchicalZipWriter.cpp @ 5475:890df6501ffc
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author | Alain Mazy <am@osimis.io> |
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date | Tue, 19 Dec 2023 11:13:32 +0100 |
parents | 0ea402b4d901 |
children | 48b8dae6dc77 |
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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) 2017-2023 Osimis S.A., Belgium * Copyright (C) 2021-2023 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 "../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; } } bool HierarchicalZipWriter::Index::IsRoot() const { return stack_.size() == 1; } 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(ZipWriter::IOutputStream* stream, bool isZip64) { writer_.AcquireOutputStream(stream, isZip64); writer_.Open(); } HierarchicalZipWriter::~HierarchicalZipWriter() { writer_.Close(); } void HierarchicalZipWriter::SetZip64(bool isZip64) { writer_.SetZip64(isZip64); } bool HierarchicalZipWriter::IsZip64() const { return writer_.IsZip64(); } void HierarchicalZipWriter::SetCompressionLevel(uint8_t level) { writer_.SetCompressionLevel(level); } uint8_t HierarchicalZipWriter::GetCompressionLevel() const { return writer_.GetCompressionLevel(); } void HierarchicalZipWriter::SetAppendToExisting(bool append) { writer_.SetAppendToExisting(append); } bool HierarchicalZipWriter::IsAppendToExisting() const { return writer_.IsAppendToExisting(); } 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(); } std::string HierarchicalZipWriter::GetCurrentDirectoryPath() const { return indexer_.GetCurrentDirectoryPath(); } void HierarchicalZipWriter::Write(const void *data, size_t length) { writer_.Write(data, length); } void HierarchicalZipWriter::Write(const std::string &data) { writer_.Write(data); } HierarchicalZipWriter* HierarchicalZipWriter::CreateToMemory(std::string& target, bool isZip64) { return new HierarchicalZipWriter(new ZipWriter::MemoryStream(target), isZip64); } void HierarchicalZipWriter::CancelStream() { writer_.CancelStream(); } void HierarchicalZipWriter::Close() { writer_.Close(); } uint64_t HierarchicalZipWriter::GetArchiveSize() const { return writer_.GetArchiveSize(); } }