Mercurial > hg > orthanc-webviewer
diff Orthanc/Toolbox.cpp @ 0:02f7a0400a91
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 25 Feb 2015 13:45:35 +0100 |
parents | |
children | 54d5dd1df2e5 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Orthanc/Toolbox.cpp Wed Feb 25 13:45:35 2015 +0100 @@ -0,0 +1,246 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital 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 "PrecompiledHeaders.h" +#include "Toolbox.h" + +#include "OrthancException.h" + +#include <stdint.h> +#include <string.h> +#include <boost/filesystem.hpp> +#include <boost/filesystem/fstream.hpp> +#include <algorithm> +#include <ctype.h> + +#if defined(_WIN32) +#include <windows.h> +#include <process.h> // For "_spawnvp()" +#else +#include <unistd.h> // For "execvp()" +#include <sys/wait.h> // For "waitpid()" +#endif + +#if defined(__APPLE__) && defined(__MACH__) +#include <mach-o/dyld.h> /* _NSGetExecutablePath */ +#include <limits.h> /* PATH_MAX */ +#endif + +#if defined(__linux) || defined(__FreeBSD_kernel__) +#include <limits.h> /* PATH_MAX */ +#include <signal.h> +#include <unistd.h> +#endif + +#if BOOST_HAS_LOCALE != 1 +#error Since version 0.7.6, Orthanc entirely relies on boost::locale +#endif + +#include <boost/locale.hpp> + + + +namespace Orthanc +{ + void Toolbox::TokenizeString(std::vector<std::string>& result, + const std::string& value, + char separator) + { + result.clear(); + + std::string currentItem; + + for (size_t i = 0; i < value.size(); i++) + { + if (value[i] == separator) + { + result.push_back(currentItem); + currentItem.clear(); + } + else + { + currentItem.push_back(value[i]); + } + } + + result.push_back(currentItem); + } + + + void Toolbox::CreateNewDirectory(const std::string& path) + { + if (boost::filesystem::exists(path)) + { + if (!boost::filesystem::is_directory(path)) + { + throw OrthancException("Cannot create the directory over an existing file: " + path); + } + } + else + { + if (!boost::filesystem::create_directories(path)) + { + throw OrthancException("Unable to create the directory: " + path); + } + } + } + + + bool Toolbox::IsExistingFile(const std::string& path) + { + return boost::filesystem::exists(path); + } + + + void Toolbox::ReadFile(std::string& content, + const std::string& path) + { + boost::filesystem::ifstream f; + f.open(path, std::ifstream::in | std::ifstream::binary); + if (!f.good()) + { + throw OrthancException(ErrorCode_InexistentFile); + } + + // http://www.cplusplus.com/reference/iostream/istream/tellg/ + f.seekg(0, std::ios::end); + std::streamsize size = f.tellg(); + f.seekg(0, std::ios::beg); + + content.resize(size); + if (size != 0) + { + f.read(reinterpret_cast<char*>(&content[0]), size); + } + + f.close(); + } + + + void Toolbox::WriteFile(const std::string& content, + const std::string& path) + { + boost::filesystem::ofstream f; + f.open(path, std::ofstream::binary); + if (!f.good()) + { + throw OrthancException(ErrorCode_CannotWriteFile); + } + + if (content.size() != 0) + { + f.write(content.c_str(), content.size()); + } + + f.close(); + } + + + + void Toolbox::RemoveFile(const std::string& path) + { + if (boost::filesystem::exists(path)) + { + if (boost::filesystem::is_regular_file(path)) + boost::filesystem::remove(path); + else + throw OrthancException("The path is not a regular file: " + path); + } + } + + + + void Toolbox::USleep(uint64_t microSeconds) + { +#if defined(_WIN32) + ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000))); +#elif defined(__linux) || defined(__APPLE__) || defined(__FreeBSD_kernel__) + usleep(microSeconds); +#else +#error Support your platform here +#endif + } + + + Endianness Toolbox::DetectEndianness() + { + // http://sourceforge.net/p/predef/wiki/Endianness/ + + uint8_t buffer[4]; + + buffer[0] = 0x00; + buffer[1] = 0x01; + buffer[2] = 0x02; + buffer[3] = 0x03; + + switch (*((uint32_t *)buffer)) + { + case 0x00010203: + return Endianness_Big; + + case 0x03020100: + return Endianness_Little; + + default: + throw OrthancException(ErrorCode_NotImplemented); + } + } + + + std::string Toolbox::StripSpaces(const std::string& source) + { + size_t first = 0; + + while (first < source.length() && + isspace(source[first])) + { + first++; + } + + if (first == source.length()) + { + // String containing only spaces + return ""; + } + + size_t last = source.length(); + while (last > first && + isspace(source[last - 1])) + { + last--; + } + + assert(first <= last); + return source.substr(first, last - first); + } +} +