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/*************************************************************************** |
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* * |
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* Copyright (C) 2008 - 2009 Grigor Iliev, Benno Senoner * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, * |
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* MA 02110-1301 USA * |
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***************************************************************************/ |
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|
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#include "File.h" |
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|
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#include <cstring> |
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#include <errno.h> |
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#include <sstream> |
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#include <sys/stat.h> |
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#include <dirent.h> |
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|
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#include "Exception.h" |
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#include "global_private.h" |
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|
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#if WIN32 |
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#include <windows.h> |
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#else |
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#include <ftw.h> |
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#endif |
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|
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namespace LinuxSampler { |
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#ifdef WIN32 |
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char File::DirSeparator = '\\'; |
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#else |
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char File::DirSeparator = '/'; |
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#endif |
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Mutex File::DirectoryWalkerMutex; |
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std::vector<File::DirectoryWalker*> File::DirectoryWalkers; |
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std::string File::DWErrorMsg; |
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|
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File::File(std::string Path) { |
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bExist = !stat(Path.c_str(), &Status); |
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if(!bExist) ErrorMsg = strerror(errno); |
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} |
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|
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bool File::Exist() { |
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return bExist; |
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} |
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|
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std::string File::GetErrorMsg() { |
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return ErrorMsg; |
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} |
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|
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bool File::IsFile() { |
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if(!Exist()) return false; |
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|
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return S_ISREG(Status.st_mode); |
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} |
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|
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bool File::IsDirectory() { |
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if(!Exist()) return false; |
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|
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return S_ISDIR(Status.st_mode); |
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} |
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|
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unsigned long File::GetSize() { |
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if(!Exist()) return 0; |
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|
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return Status.st_size; |
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} |
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|
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FileListPtr File::GetFiles(std::string Dir) { |
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DIR* pDir = opendir(Dir.c_str()); |
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if (pDir == NULL) { |
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std::stringstream ss; |
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ss << "Failed to list the directory content of `"; |
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ss << Dir << "`: " << strerror(errno); |
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throw Exception(ss.str()); |
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} |
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|
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FileListPtr fileList(new std::vector<std::string>); |
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|
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struct dirent* pEnt = readdir(pDir); |
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while (pEnt != NULL) { |
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#ifdef _DIRENT_HAVE_D_TYPE |
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if (pEnt->d_type == DT_REG) { |
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fileList->push_back(std::string(pEnt->d_name)); |
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} |
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#else |
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struct stat s; |
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if (stat((Dir + DirSeparator + pEnt->d_name).c_str(), &s) == 0 && S_ISREG(s.st_mode)) { |
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fileList->push_back(std::string(pEnt->d_name)); |
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} |
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#endif |
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pEnt = readdir(pDir); |
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} |
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|
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if (closedir(pDir)) { |
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std::stringstream ss; |
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ss << "Failed to close directory `" << Dir << "`: "; |
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ss << strerror(errno); |
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throw Exception(ss.str()); |
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} |
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|
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return fileList; |
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} |
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|
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void File::WalkDirectoryTree(std::string Dir, DirectoryWalker* pWalker) { |
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dmsg(2,("File: WalkDirectoryTree(Dir=%s)\n", Dir.c_str())); |
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File f = File(Dir); |
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if(!f.Exist()) throw Exception("Fail to stat `" + Dir + "`: " + f.GetErrorMsg()); |
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if(!f.IsDirectory()) throw Exception("The specified path is not a directory: " + Dir); |
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#ifdef WIN32 |
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WalkDirectoryTreeSub(Dir, pWalker); |
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#else |
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DirectoryWalkerMutex.Lock(); |
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DirectoryWalkers.push_back(pWalker); |
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DWErrorMsg = "Failed to process directory tree: " + Dir; |
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|
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if (ftw(Dir.c_str(), FtwCallback, 10)) { |
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DirectoryWalkers.pop_back(); |
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if (DirectoryWalkers.size() == 0) DirectoryWalkerMutex.Unlock(); |
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throw Exception(DWErrorMsg); |
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} |
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DirectoryWalkers.pop_back(); |
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if (DirectoryWalkers.size() == 0) DirectoryWalkerMutex.Unlock(); |
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#endif |
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} |
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|
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#ifdef WIN32 |
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void File::WalkDirectoryTreeSub(String Dir, DirectoryWalker* pWalker) { |
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dmsg(2,("File: WalkDirectoryTreeSub(Dir=%s)\n", Dir.c_str())); |
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DWORD attrs = GetFileAttributes(Dir.c_str()); |
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if (attrs == INVALID_FILE_ATTRIBUTES) return; |
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|
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if (attrs & FILE_ATTRIBUTE_DIRECTORY) { |
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pWalker->DirectoryEntry(Dir); |
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|
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std::string::size_type l = Dir.length() - 1; |
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if (Dir[l] == '/') Dir[l] = '\\'; |
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else if (Dir[l] != '\\') Dir += '\\'; |
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|
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WIN32_FIND_DATA fd; |
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HANDLE h = FindFirstFile((Dir + "*").c_str(), &fd); |
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if (h == INVALID_HANDLE_VALUE) return; |
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do { |
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if (strcmp(fd.cFileName, ".") != 0 && |
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strcmp(fd.cFileName, "..") != 0) { |
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WalkDirectoryTreeSub(Dir + fd.cFileName, pWalker); |
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} |
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} while (FindNextFile(h, &fd)); |
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FindClose(h); |
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} else { |
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pWalker->FileEntry(Dir); |
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} |
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} |
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#else |
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int File::FtwCallback(const char* fpath, const struct stat* sb, int typeflag) { |
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dmsg(2,("File: FtwCallback(fpath=%s)\n", fpath)); |
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try { |
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if (typeflag == FTW_D) DirectoryWalkers.back()->DirectoryEntry(std::string(fpath)); |
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else if (typeflag == FTW_F) DirectoryWalkers.back()->FileEntry(std::string(fpath)); |
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} catch(Exception e) { |
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e.PrintMessage(); |
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DWErrorMsg = e.Message(); |
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return -1; |
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} |
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|
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return 0; |
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} |
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#endif |
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} |
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