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Merge pull request #1550 from xoddark/folder_list_management_v2

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Add multifolder management in dir_list_new v2
This commit is contained in:
Twinaphex 2015-03-28 20:47:44 +01:00
commit 2f83c43917
1 changed files with 66 additions and 55 deletions
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121
libretro-common/file/dir_list.c
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@ -192,20 +192,20 @@ static int parse_dir_entry(const char *name, char *file_path,
/**
* dir_list_new:
* @dir : directory path.
* @dir : directories path.
* @ext : allowed extensions of file directory entries to include.
* @include_dirs : include directories as part of the finished directory listing?
*
* Create a directory listing.
*
* Returns: pointer to a directory listing of type 'struct string_list *' on success,
* Returns: pointer to a file listing of type 'struct string_list *' on success,
* NULL in case of error. Has to be freed manually.
**/
struct string_list *dir_list_new(const char *dir,
const char *ext, bool include_dirs)
{
char path_buf[PATH_MAX_LENGTH];
struct string_list *ext_list, *list;
struct string_list *ext_list, *list, *dir_list;
#ifdef _WIN32
WIN32_FIND_DATA ffd;
HANDLE hFind = INVALID_HANDLE_VALUE;
@ -215,6 +215,7 @@ struct string_list *dir_list_new(const char *dir,
#endif
ext_list = NULL;
dir_list = NULL;
(void)path_buf;
if (!(list = string_list_new()))
@ -223,6 +224,9 @@ struct string_list *dir_list_new(const char *dir,
if (ext)
ext_list = string_split(ext, "|");
if (dir)
dir_list = string_split(dir, ";");
#ifdef _WIN32
snprintf(path_buf, sizeof(path_buf), "%s\\*", dir);
@ -230,72 +234,79 @@ struct string_list *dir_list_new(const char *dir,
if (hFind == INVALID_HANDLE_VALUE)
goto error;
do
// Process the directory list from the end to the start to have an override
// of file from the first directory by the file from the last directory.
for (int i = dir_list->size -1; i >= 0; i--)
{
int ret = 0;
char file_path[PATH_MAX_LENGTH];
const char *name = ffd.cFileName;
const char *file_ext = path_get_extension(name);
bool is_dir = ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
const char * dir_name = dir_list->elems[i].data;
do
{
int ret = 0;
char file_path[PATH_MAX_LENGTH];
const char *name = ffd.cFileName;
const char *file_ext = path_get_extension(name);
bool is_dir = ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
fill_pathname_join(file_path, dir, name, sizeof(file_path));
fill_pathname_join(file_path, dir_name, name, sizeof(file_path));
ret = parse_dir_entry(name, file_path, is_dir,
include_dirs, list, ext_list, file_ext);
ret = parse_dir_entry(name, file_path, is_dir,
include_dirs, list, ext_list, file_ext);
if (ret == -1)
goto error;
if (ret == -1)
break; //invalid folder continue with next
if (ret == 1)
continue;
}while (FindNextFile(hFind, &ffd) != 0);
if (ret == 1)
continue;
}while (FindNextFile(hFind, &ffd) != 0);
FindClose(hFind);
string_list_free(ext_list);
return list;
error:
if (hFind != INVALID_HANDLE_VALUE)
FindClose(hFind);
}
#else
directory = opendir(dir);
if (!directory)
goto error;
while ((entry = readdir(directory)))
// Process the directory list from the end to the start to have an override
// of file from the first directory by the file from the last directory.
for (int i = dir_list->size-1; i >= 0; i--)
{
int ret = 0;
char file_path[PATH_MAX_LENGTH];
const char *name = entry->d_name;
const char *file_ext = path_get_extension(name);
bool is_dir = false;
const char * dir_name = dir_list->elems[i].data;
fill_pathname_join(file_path, dir, name, sizeof(file_path));
directory = opendir(dir_name);
is_dir = dirent_is_directory(file_path, entry);
ret = parse_dir_entry(name, file_path, is_dir,
include_dirs, list, ext_list, file_ext);
if (ret == -1)
goto error;
if (ret == 1)
if (!directory)
continue;
while ((entry = readdir(directory)))
{
int ret = 0;
char file_path[PATH_MAX_LENGTH];
const char *name = entry->d_name;
const char *file_ext = path_get_extension(name);
bool is_dir = false;
fill_pathname_join(file_path, dir_name, name, sizeof(file_path));
is_dir = dirent_is_directory(file_path, entry);
ret = parse_dir_entry(name, file_path, is_dir,
include_dirs, list, ext_list, file_ext);
if (ret == -1)
break; //invalid folder continue with next
if (ret == 1)
continue;
}
closedir(directory);
}
closedir(directory);
string_list_free(ext_list);
return list;
error:
if (directory)
closedir(directory);
#endif
string_list_free(list);
string_list_free(dir_list);
string_list_free(ext_list);
return NULL;
if (list->size == 0)
{
string_list_free(list);
return NULL;
}
return list;
}