diff options
Diffstat (limited to '3rdparty/clucene/src/CLucene/util/dirent.cpp')
| -rw-r--r-- | 3rdparty/clucene/src/CLucene/util/dirent.cpp | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/3rdparty/clucene/src/CLucene/util/dirent.cpp b/3rdparty/clucene/src/CLucene/util/dirent.cpp new file mode 100644 index 000000000..3c5c54200 --- /dev/null +++ b/3rdparty/clucene/src/CLucene/util/dirent.cpp @@ -0,0 +1,221 @@ +/*------------------------------------------------------------------------------ +* Copyright (C) 2003-2006 Matt J. Weinstein +* +* Distributable under the terms of either the Apache License (Version 2.0) or +* the GNU Lesser General Public License, as specified in the COPYING file. +------------------------------------------------------------------------------*/ +#include "CLucene/StdHeader.h" + +#if !defined(_CL_HAVE_DIRENT_H) && !defined(_CL_HAVE_SYS_NDIR_H) && !defined(_CL_HAVE_SYS_DIR_H) && !defined(_CL_HAVE_NDIR_H) +#include "dirent.h" + +DIR * +opendir (const char *szPath) +{ + DIR *nd; + char szFullPath[CL_MAX_PATH]; + + errno = 0; + + if (!szPath) + { + errno = EFAULT; + return NULL; + } + + if (szPath[0] == '\0') + { + errno = ENOTDIR; + return NULL; + } + + /* Attempt to determine if the given path really is a directory. */ + struct _stat rcs; + if ( _stat(szPath,&rcs) == -1) + { + /* call GetLastError for more error info */ + errno = ENOENT; + return NULL; + } + if (!(rcs.st_mode & _S_IFDIR)) + { + /* Error, entry exists but not a directory. */ + errno = ENOTDIR; + return NULL; + } + + /* Make an absolute pathname. */ + _realpath(szPath,szFullPath); + + /* Allocate enough space to store DIR structure and the complete + * directory path given. */ + //nd = (DIR *) malloc (sizeof (DIR) + _tcslen (szFullPath) + _tcslen (DIRENT_SLASH) + + // _tcslen (DIRENT_SEARCH_SUFFIX)+1); + nd = new DIR; + + if (!nd) + { + /* Error, out of memory. */ + errno = ENOMEM; + return NULL; + } + + /* Create the search expression. */ + strcpy (nd->dd_name, szFullPath); + + /* Add on a slash if the path does not end with one. */ + if (nd->dd_name[0] != '\0' && + nd->dd_name[strlen (nd->dd_name) - 1] != '/' && + nd->dd_name[strlen (nd->dd_name) - 1] != '\\') + { + strcat (nd->dd_name, DIRENT_SLASH); + } + + /* Add on the search pattern */ + strcat (nd->dd_name, DIRENT_SEARCH_SUFFIX); + + /* Initialize handle to -1 so that a premature closedir doesn't try + * to call _findclose on it. */ + nd->dd_handle = -1; + + /* Initialize the status. */ + nd->dd_stat = 0; + + /* Initialize the dirent structure. ino and reclen are invalid under + * Win32, and name simply points at the appropriate part of the + * findfirst_t structure. */ + //nd->dd_dir.d_ino = 0; + //nd->dd_dir.d_reclen = 0; + nd->dd_dir.d_namlen = 0; + nd->dd_dir.d_name = nd->dd_dta.name; + + return nd; +} + + +struct dirent * readdir (DIR * dirp) +{ + errno = 0; + + /* Check for valid DIR struct. */ + if (!dirp) + { + errno = EFAULT; + return NULL; + } + + if (dirp->dd_dir.d_name != dirp->dd_dta.name) + { + /* The structure does not seem to be set up correctly. */ + errno = EINVAL; + return NULL; + } + + bool bCallFindNext = true; + + if (dirp->dd_stat < 0) + { + /* We have already returned all files in the directory + * (or the structure has an invalid dd_stat). */ + return NULL; + } + else if (dirp->dd_stat == 0) + { + /* We haven't started the search yet. */ + /* Start the search */ + dirp->dd_handle = _findfirst (dirp->dd_name, &(dirp->dd_dta)); + + if (dirp->dd_handle == -1) + { + /* Whoops! Seems there are no files in that + * directory. */ + dirp->dd_stat = -1; + } + else + { + dirp->dd_stat = 1; + } + + /* Dont call _findnext first time. */ + bCallFindNext = false; + } + + while (dirp->dd_stat > 0) + { + if (bCallFindNext) + { + /* Get the next search entry. */ + if (_findnext (dirp->dd_handle, &(dirp->dd_dta))) + { + /* We are off the end or otherwise error. */ + _findclose (dirp->dd_handle); + dirp->dd_handle = -1; + dirp->dd_stat = -1; + return NULL; + } + else + { + /* Update the status to indicate the correct + * number. */ + dirp->dd_stat++; + } + } + + /* Successfully got an entry. Everything about the file is + * already appropriately filled in except the length of the + * file name. */ + dirp->dd_dir.d_namlen = strlen (dirp->dd_dir.d_name); + + bool bThisFolderOrUpFolder = dirp->dd_dir.d_name[0] == '.' && + (dirp->dd_dir.d_name[1] == 0 || (dirp->dd_dir.d_name[1] == '.' && dirp->dd_dir.d_name[2] == 0)); + + if (!bThisFolderOrUpFolder) + { + struct _stat buf; + char buffer[CL_MAX_DIR]; + size_t bl = strlen(dirp->dd_name)-strlen(DIRENT_SEARCH_SUFFIX); + strncpy(buffer,dirp->dd_name,bl); + buffer[bl]=0; + strcat(buffer, dirp->dd_dir.d_name); + if ( _stat(buffer,&buf) == 0 ) + { + /* Finally we have a valid entry. */ + return &dirp->dd_dir; + } + } + + /* Allow to find next file. */ + bCallFindNext = true; + } + + return NULL; +} + + + +int32_t +closedir (DIR * dirp) +{ + int32_t rc; + + errno = 0; + rc = 0; + + if (!dirp) + { + errno = EFAULT; + return -1; + } + + if (dirp->dd_handle != -1) + { + rc = _findclose (dirp->dd_handle); + } + + /* Delete the dir structure. */ + _CLVDELETE(dirp); + + return rc; +} +#endif //HAVE_DIRENT_H + |