forked from enlightenment/efl
274 lines
6.6 KiB
C
274 lines
6.6 KiB
C
/* EINA - EFL data type library
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* Copyright (C) 2007-2008 Jorge Luis Zapata Muga, Vincent Torri
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifndef _WIN32
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# define _GNU_SOURCE
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#endif
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#ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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#elif defined __GNUC__
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# define alloca __builtin_alloca
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#elif defined _AIX
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# define alloca __alloca
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#elif defined _MSC_VER
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# include <malloc.h>
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# define alloca _alloca
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#else
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# include <stddef.h>
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# ifdef __cplusplus
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extern "C"
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# endif
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void *alloca (size_t);
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#endif
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#include <string.h>
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#ifndef _WIN32
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# include <sys/types.h>
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# include <sys/stat.h>
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# include <unistd.h>
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# include <dirent.h>
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#else
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# define WIN32_LEAN_AND_MEAN
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# include <windows.h>
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# undef WIN32_LEAN_AND_MEAN
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# include <Evil.h>
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#endif /* _WIN2 */
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#ifndef _WIN32
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# define PATH_DELIM '/'
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#else
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# define PATH_DELIM '\\'
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#endif
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#include "eina_config.h"
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#include "eina_private.h"
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/* undefs EINA_ARG_NONULL() so NULL checks are not compiled out! */
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#include "eina_safety_checks.h"
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#include "eina_file.h"
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/*============================================================================*
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* Global *
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*============================================================================*/
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/*============================================================================*
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* API *
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*============================================================================*/
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/**
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* @addtogroup Eina_File_Group File
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*
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* @brief Functions to traverse directories and split paths.
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*
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* @li eina_file_dir_list() list the content of a directory,
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* recusrsively or not, and can call a callback function for eachfound
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* file.
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* @li eina_file_split() split a path into all the subdirectories that
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* compose it, according to the separator of the file system.
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*
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* @{
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*/
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/**
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* @brief List all files on the directory calling the function for every file found.
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*
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* @param dir The directory name.
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* @param recursive Iterate recursively in the directory.
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* @param cb The callback to be called.
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* @param data The data to pass to the callback.
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* @return #EINA_TRUE on success, #EINA_FALSE oterwise.
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*
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* This function lists all the files in @p dir. To list also all the
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* sub directoris recursively, @p recursive must be set to #EINA_TRUE,
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* otherwise it must be set to #EINA_FALSE. For each found file, @p cb
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* is called and @p data is passed to it.
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*
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* If @p cb or @p dir are @c NULL, or if @p dir is a string of size 0,
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* or if @p dir can not be opened, this function returns #EINA_FALSE
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* immediatly. otherwise, it returns #EINA_TRUE.
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*/
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EAPI Eina_Bool
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eina_file_dir_list(const char *dir, Eina_Bool recursive, Eina_File_Dir_List_Cb cb, void *data)
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{
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#ifndef _WIN32
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struct dirent *de;
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DIR *d;
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EINA_SAFETY_ON_NULL_RETURN_VAL(cb, EINA_FALSE);
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EINA_SAFETY_ON_NULL_RETURN_VAL(dir, EINA_FALSE);
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EINA_SAFETY_ON_TRUE_RETURN_VAL(dir[0] == '\0', EINA_FALSE);
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d = opendir(dir);
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if (!d) return EINA_FALSE;
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while ((de = readdir(d)))
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{
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if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
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continue;
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cb(de->d_name, dir, data);
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/* d_type is only available on linux and bsd (_BSD_SOURCE) */
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if (recursive == EINA_TRUE) {
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char *path;
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path = alloca(strlen(dir) + strlen(de->d_name) + 2);
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strcpy(path, dir);
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strcat(path, "/");
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strcat(path, de->d_name);
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#ifndef sun
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if (de->d_type == DT_UNKNOWN) {
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#endif
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struct stat st;
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if (stat(path, &st))
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continue ;
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if (!S_ISDIR(st.st_mode))
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continue ;
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#ifndef sun
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} else if (de->d_type != DT_DIR) {
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continue ;
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}
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#endif
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eina_file_dir_list(path, recursive, cb, data);
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}
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}
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closedir(d);
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#else
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WIN32_FIND_DATA file;
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HANDLE hSearch;
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char *new_dir;
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TCHAR *tdir;
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size_t length_dir;
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EINA_SAFETY_ON_NULL_RETURN_VAL(cb, EINA_FALSE);
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EINA_SAFETY_ON_NULL_RETURN_VAL(dir, EINA_FALSE);
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EINA_SAFETY_ON_TRUE_RETURN_VAL(dir[0] == '\0', EINA_FALSE);
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length_dir = strlen(dir);
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new_dir = (char *)alloca(length_dir + 5);
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if (!new_dir) return EINA_FALSE;
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memcpy(new_dir, dir, length_dir);
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memcpy(new_dir + length_dir, "/*.*", 5);
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#ifdef UNICODE
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tdir = evil_char_to_wchar(new_dir);
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#else
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tdir = new_dir;
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#endif /* ! UNICODE */
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hSearch = FindFirstFile(tdir, &file);
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#ifdef UNICODE
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free(tdir);
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#endif /* UNICODE */
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if (hSearch == INVALID_HANDLE_VALUE) return EINA_FALSE;
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do
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{
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char *filename;
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#ifdef UNICODE
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filename = evil_wchar_to_char(file.cFileName);
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#else
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filename = file.cFileName;
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#endif /* ! UNICODE */
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if (!strcmp(filename, ".") || !strcmp(filename, ".."))
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continue;
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cb(filename, dir, data);
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if (recursive == EINA_TRUE) {
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char *path;
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path = alloca(strlen(dir) + strlen(filename) + 2);
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strcpy(path, dir);
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strcat(path, "/");
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strcat(path, filename);
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if (!(file.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
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continue ;
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eina_file_dir_list(path, recursive, cb, data);
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}
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#ifdef UNICODE
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free(filename);
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#endif /* UNICODE */
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} while (FindNextFile(hSearch, &file));
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FindClose(hSearch);
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#endif /* _WIN32 */
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return EINA_TRUE;
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}
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/**
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* @brief Split a path according to the delimiter of the filesystem.
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*
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* @param path The path to split.
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* @return An array of the parts of the path to split.
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*
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* This function splits @p path according to the delimiter of the used
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* filesystem. If @p path is @c NULL or if the array can not be
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* created, @c NULL is returned, otherwise, an array with the
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* different parts of @p path is returned.
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*/
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EAPI Eina_Array *
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eina_file_split(char *path)
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{
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Eina_Array *ea;
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char *current;
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size_t length;
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EINA_SAFETY_ON_NULL_RETURN_VAL(path, NULL);
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ea = eina_array_new(16);
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if (!ea) return NULL;
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for (current = strchr(path, PATH_DELIM);
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current != NULL;
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path = current + 1, current = strchr(path, PATH_DELIM))
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{
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length = current - path;
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if (length <= 0) continue ;
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eina_array_push(ea, path);
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*current = '\0';
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}
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if (*path != '\0')
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eina_array_push(ea, path);
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return ea;
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}
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/**
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* @}
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*/
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