Mercurial > hg > orthanc
view Core/Compression/HierarchicalZipWriter.cpp @ 678:3e4c2433f12b
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 13 Jan 2014 16:29:09 +0100 |
parents | 08eca5d86aad |
children | 2d0a347e8cfc |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2013 Medical Physics Department, CHU of Liege, * 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 "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 < 128 && 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(); } }