and add file

SVN revision: 54251
This commit is contained in:
Vincent Torri 2010-11-06 21:01:36 +00:00
parent 899983412b
commit b4571378c2
1 changed files with 575 additions and 0 deletions

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/* EINA - EFL data type library
* Copyright (C) 2010 Vincent Torri
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_ALLOCA_H
# include <alloca.h>
#elif defined __GNUC__
# define alloca __builtin_alloca
#elif defined _AIX
# define alloca __alloca
#elif defined _MSC_VER
# include <malloc.h>
# define alloca _alloca
#else
# include <stddef.h>
# ifdef __cplusplus
extern "C"
# endif
void *alloca (size_t);
#endif
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN
#include "eina_config.h"
#include "eina_private.h"
/* undefs EINA_ARG_NONULL() so NULL checks are not compiled out! */
#include "eina_safety_checks.h"
#include "eina_file.h"
#include "eina_stringshare.h"
/*============================================================================*
* Local *
*============================================================================*/
/**
* @cond LOCAL
*/
typedef struct _Eina_File_Iterator Eina_File_Iterator;
typedef struct _Eina_File_Direct_Iterator Eina_File_Direct_Iterator;
struct _Eina_File_Iterator
{
Eina_Iterator iterator;
WIN32_FIND_DATA data;
HANDLE handle;
int length;
Eina_Bool is_last : 1;
char dir[1];
};
struct _Eina_File_Direct_Iterator
{
Eina_Iterator iterator;
WIN32_FIND_DATA data;
HANDLE handle;
int length;
Eina_Bool is_last : 1;
Eina_File_Direct_Info info;
char dir[1];
};
static void
_eina_file_win32_backslash_change(char *dir)
{
char *tmp;
tmp = dir;
while (*tmp)
{
if (*tmp == '/') *tmp = '\\';
tmp++;
}
}
static Eina_Bool
_eina_file_win32_is_dir(const char *dir)
{
#ifdef UNICODE
wchar_t *wdir = NULL;
#endif
DWORD attr;
/* check if it's a directory */
#ifdef UNICODE
wdir = evil_char_to_wchar(dir);
if (!wdir)
return EINA_FALSE;
attr = GetFileAttributes(wdir);
free(wdir);
#else
attr = GetFileAttributes(dir);
#endif
if (attr == 0xFFFFFFFF)
return EINA_FALSE;
if (!(attr & FILE_ATTRIBUTE_DIRECTORY))
return EINA_FALSE;
return EINA_TRUE;
}
static char *
_eina_file_win32_dir_new(const char *dir)
{
char *new_dir;
size_t length;
length = strlen(dir);
new_dir = (char *)malloc(sizeof(char) * length + 5);
if (!new_dir)
return NULL;
memcpy(new_dir, dir, length);
memcpy(new_dir + length, "\\*.*", 5);
_eina_file_win32_backslash_change(new_dir);
return new_dir;
}
static HANDLE
_eina_file_win32_first_file(const char *dir, WIN32_FIND_DATA *fd)
{
HANDLE h;
#ifdef UNICODE
wchar_t *wdir = NULL;
wdir = evil_char_to_wchar(dir);
if (!wdir)
return NULL;
h = FindFirstFile(wdir, fd);
free(wdir);
#else
h = FindFirstFile(dir, fd);
#endif
if (!h)
return NULL;
while ((fd->cFileName[0] == '.') &&
((fd->cFileName[1] == '\0') ||
((fd->cFileName[1] == '.') && (fd->cFileName[2] == '\0'))))
{
if (!FindNextFile(h, fd))
return NULL;
}
return h;
}
static Eina_Bool
_eina_file_win32_ls_iterator_next(Eina_File_Iterator *it, void **data)
{
char *old_name;
char *name;
char *cname;
size_t length;
Eina_Bool is_last;
Eina_Bool res = EINA_TRUE;
if (it->handle == INVALID_HANDLE_VALUE)
return EINA_FALSE;
is_last = it->is_last;
old_name = strdup(it->data.cFileName);
if (!old_name)
return EINA_FALSE;
do {
if (!FindNextFile(it->handle, &it->data))
{
if (GetLastError() == ERROR_NO_MORE_FILES)
it->is_last = EINA_TRUE;
else
res = EINA_FALSE;
}
} while ((it->data.cFileName[0] == '.') &&
((it->data.cFileName[1] == '\0') ||
((it->data.cFileName[1] == '.') && (it->data.cFileName[2] == '\0'))));
#ifdef UNICODE
cname = evil_wchar_to_char(old_name);
if (!cname)
return EINA_FALSE;
#else
cname = old_name;
#endif
length = strlen(cname);
name = alloca(length + 2 + it->length);
memcpy(name, it->dir, it->length);
memcpy(name + it->length, "\\", 1);
memcpy(name + it->length + 1, cname, length + 1);
*data = (char *)eina_stringshare_add(name);
#ifdef UNICODE
free(cname);
#endif
free(old_name);
if (is_last)
res = EINA_FALSE;
return res;
}
static HANDLE
_eina_file_win32_ls_iterator_container(Eina_File_Iterator *it)
{
return it->handle;
}
static void
_eina_file_win32_ls_iterator_free(Eina_File_Iterator *it)
{
if (it->handle != INVALID_HANDLE_VALUE)
FindClose(it->handle);
EINA_MAGIC_SET(&it->iterator, 0);
free(it);
}
static Eina_Bool
_eina_file_win32_direct_ls_iterator_next(Eina_File_Direct_Iterator *it, void **data)
{
char *old_name;
char *cname;
size_t length;
DWORD attr;
Eina_Bool is_last;
Eina_Bool res = EINA_TRUE;
if (it->handle == INVALID_HANDLE_VALUE)
return EINA_FALSE;
attr = it->data.dwFileAttributes;
is_last = it->is_last;
old_name = strdup(it->data.cFileName);
if (!old_name)
return EINA_FALSE;
do {
if (!FindNextFile(it->handle, &it->data))
{
if (GetLastError() == ERROR_NO_MORE_FILES)
it->is_last = EINA_TRUE;
else
res = EINA_FALSE;
}
length = strlen(old_name);
if (it->info.name_start + length + 1 >= PATH_MAX)
{
free(old_name);
old_name = strdup(it->data.cFileName);
continue;
}
} while ((it->data.cFileName[0] == '.') &&
((it->data.cFileName[1] == '\0') ||
((it->data.cFileName[1] == '.') && (it->data.cFileName[2] == '\0'))));
#ifdef UNICODE
cname = evil_wchar_to_char(old_name);
if (!cname)
return EINA_FALSE;
#else
cname = old_name;
#endif
memcpy(it->info.path + it->info.name_start, cname, length);
it->info.name_length = length;
it->info.path_length = it->info.name_start + length;
it->info.path[it->info.path_length] = '\0';
if (attr & FILE_ATTRIBUTE_DIRECTORY)
it->info.type = EINA_FILE_DIR;
else if (attr & FILE_ATTRIBUTE_REPARSE_POINT)
it->info.type = EINA_FILE_LNK;
else if (attr & (FILE_ATTRIBUTE_ARCHIVE |
FILE_ATTRIBUTE_COMPRESSED |
FILE_ATTRIBUTE_COMPRESSED |
FILE_ATTRIBUTE_HIDDEN |
FILE_ATTRIBUTE_NORMAL |
FILE_ATTRIBUTE_SPARSE_FILE |
FILE_ATTRIBUTE_TEMPORARY))
it->info.type = EINA_FILE_REG;
else
it->info.type = EINA_FILE_UNKNOWN;
*data = &it->info;
#ifdef UNICODE
free(cname);
#endif
free(old_name);
if (is_last)
res = EINA_FALSE;
return res;
}
static HANDLE
_eina_file_win32_direct_ls_iterator_container(Eina_File_Direct_Iterator *it)
{
return it->handle;
}
static void
_eina_file_win32_direct_ls_iterator_free(Eina_File_Direct_Iterator *it)
{
if (it->handle != INVALID_HANDLE_VALUE)
FindClose(it->handle);
EINA_MAGIC_SET(&it->iterator, 0);
free(it);
}
/**
* @endcond
*/
/*============================================================================*
* Global *
*============================================================================*/
/*============================================================================*
* API *
*============================================================================*/
EAPI Eina_Bool
eina_file_dir_list(const char *dir,
Eina_Bool recursive,
Eina_File_Dir_List_Cb cb,
void *data)
{
WIN32_FIND_DATA file;
HANDLE h;
char *new_dir;
EINA_SAFETY_ON_NULL_RETURN_VAL(cb, EINA_FALSE);
EINA_SAFETY_ON_NULL_RETURN_VAL(dir, EINA_FALSE);
EINA_SAFETY_ON_TRUE_RETURN_VAL(dir[0] == '\0', EINA_FALSE);
if (!_eina_file_win32_is_dir(dir))
return EINA_FALSE;
new_dir = _eina_file_win32_dir_new(dir);
if (!new_dir)
return EINA_FALSE;
h = _eina_file_win32_first_file(new_dir, &file);
if (h == INVALID_HANDLE_VALUE)
return EINA_FALSE;
do
{
char *filename;
# ifdef UNICODE
filename = evil_wchar_to_char(file.cFileName);
# else
filename = file.cFileName;
# endif /* ! UNICODE */
if (!strcmp(filename, ".") || !strcmp(filename, ".."))
continue;
cb(filename, dir, data);
if (recursive == EINA_TRUE)
{
char *path;
path = alloca(strlen(dir) + strlen(filename) + 2);
strcpy(path, dir);
strcat(path, "/");
strcat(path, filename);
if (!(file.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
continue;
eina_file_dir_list(path, recursive, cb, data);
}
# ifdef UNICODE
free(filename);
# endif /* UNICODE */
} while (FindNextFile(h, &file));
FindClose(h);
return EINA_TRUE;
}
EAPI Eina_Array *
eina_file_split(char *path)
{
Eina_Array *ea;
char *current;
size_t length;
EINA_SAFETY_ON_NULL_RETURN_VAL(path, NULL);
ea = eina_array_new(16);
if (!ea)
return NULL;
for (current = strchr(path, '\\');
current;
path = current + 1, current = strchr(path, '\\'))
{
length = current - path;
if (length <= 0)
continue;
eina_array_push(ea, path);
*current = '\0';
}
if (*path != '\0')
eina_array_push(ea, path);
return ea;
}
EAPI Eina_Iterator *
eina_file_ls(const char *dir)
{
Eina_File_Iterator *it;
char *new_dir;
size_t length;
if (!dir || !*dir)
return NULL;
if (!_eina_file_win32_is_dir(dir))
return NULL;
length = strlen(dir);
it = calloc(1, sizeof (Eina_File_Iterator) + length);
if (!it)
return NULL;
EINA_MAGIC_SET(&it->iterator, EINA_MAGIC_ITERATOR);
new_dir = _eina_file_win32_dir_new(dir);
if (!new_dir)
goto free_it;
it->handle = _eina_file_win32_first_file(new_dir, &it->data);
free(new_dir);
if (it->handle == INVALID_HANDLE_VALUE)
goto free_it;
memcpy(it->dir, dir, length + 1);
if (dir[length - 1] != '\\')
it->length = length;
else
it->length = length - 1;
_eina_file_win32_backslash_change(it->dir);
it->iterator.version = EINA_ITERATOR_VERSION;
it->iterator.next = FUNC_ITERATOR_NEXT(_eina_file_win32_ls_iterator_next);
it->iterator.get_container = FUNC_ITERATOR_GET_CONTAINER(_eina_file_win32_ls_iterator_container);
it->iterator.free = FUNC_ITERATOR_FREE(_eina_file_win32_ls_iterator_free);
return &it->iterator;
free_it:
free(it);
return NULL;
}
EAPI Eina_Iterator *
eina_file_direct_ls(const char *dir)
{
Eina_File_Direct_Iterator *it;
char *new_dir;
size_t length;
if (!dir || !*dir)
return NULL;
length = strlen(dir);
if (length + 12 + 2 >= MAX_PATH)
return NULL;
it = calloc(1, sizeof(Eina_File_Direct_Iterator) + length);
if (!it)
return NULL;
EINA_MAGIC_SET(&it->iterator, EINA_MAGIC_ITERATOR);
new_dir = _eina_file_win32_dir_new(dir);
if (!new_dir)
goto free_it;
it->handle = _eina_file_win32_first_file(new_dir, &it->data);
free(new_dir);
if (it->handle == INVALID_HANDLE_VALUE)
goto free_it;
memcpy(it->dir, dir, length + 1);
it->length = length;
_eina_file_win32_backslash_change(it->dir);
memcpy(it->info.path, dir, length);
if (dir[length - 1] == '\\')
it->info.name_start = length;
else
{
it->info.path[length] = '\\';
it->info.name_start = length + 1;
}
_eina_file_win32_backslash_change(it->info.path);
it->iterator.version = EINA_ITERATOR_VERSION;
it->iterator.next = FUNC_ITERATOR_NEXT(_eina_file_win32_direct_ls_iterator_next);
it->iterator.get_container = FUNC_ITERATOR_GET_CONTAINER(_eina_file_win32_direct_ls_iterator_container);
it->iterator.free = FUNC_ITERATOR_FREE(_eina_file_win32_direct_ls_iterator_free);
return &it->iterator;
free_it:
free(it);
return NULL;
}
EAPI Eina_Iterator *
eina_file_stat_ls(const char *dir)
{
return eina_file_direct_ls(dir);
}