void ui_menu_control_device_image::test_create(bool &can_create, bool &need_confirm)
{
astring path;
osd_directory_entry *entry;
osd_dir_entry_type file_type;
/* assemble the full path */
zippath_combine(path, current_directory, current_file);
/* does a file or a directory exist at the path */
entry = osd_stat(path);
file_type = (entry != NULL) ? entry->type : ENTTYPE_NONE;
switch(file_type)
{
case ENTTYPE_NONE:
/* no file/dir here - always create */
can_create = true;
need_confirm = false;
break;
case ENTTYPE_FILE:
/* a file exists here - ask for permission from the user */
can_create = true;
need_confirm = true;
break;
case ENTTYPE_DIR:
/* a directory exists here - we can't save over it */
machine().ui().popup_time(5, "Cannot save over directory");
can_create = false;
need_confirm = false;
break;
default:
fatalerror("Unexpected\n");
can_create = false;
need_confirm = false;
break;
}
if (entry != NULL)
osd_free(entry);
}
static int rmdir_recursive(const char *dir_path)
{
osd_directory *dir;
const osd_directory_entry *ent;
osd_directory_entry *ent2;
char *newpath;
dir = osd_opendir(dir_path);
if (dir)
{
while((ent = osd_readdir(dir)) != NULL)
{
if (strcmp(ent->name, ".") && strcmp(ent->name, ".."))
{
newpath = (char*)malloc(strlen(dir_path) + 1 + strlen(ent->name) + 1);
if (!newpath)
return -1;
strcpy(newpath, dir_path);
strcat(newpath, PATH_SEPARATOR);
strcat(newpath, ent->name);
ent2 = osd_stat(newpath);
if (ent2)
{
if (ent2->type == ENTTYPE_DIR)
rmdir_recursive(newpath);
else
osd_rmfile(newpath);
free(ent2);
}
free(newpath);
}
}
osd_closedir(dir);
}
osd_rmdir(dir_path);
return 0;
}
void menu_control_device_image::test_create(bool &can_create, bool &need_confirm)
{
// assemble the full path
auto path = util::zippath_combine(m_current_directory, m_current_file);
// does a file or a directory exist at the path
auto entry = osd_stat(path.c_str());
auto file_type = (entry != nullptr) ? entry->type : osd::directory::entry::entry_type::NONE;
switch(file_type)
{
case osd::directory::entry::entry_type::NONE:
// no file/dir here - always create
can_create = true;
need_confirm = false;
break;
case osd::directory::entry::entry_type::FILE:
// a file exists here - ask for permission from the user
can_create = true;
need_confirm = true;
break;
case osd::directory::entry::entry_type::DIR:
// a directory exists here - we can't save over it
ui().popup_time(5, "%s", _("Cannot save over directory"));
can_create = false;
need_confirm = false;
break;
default:
can_create = false;
need_confirm = false;
fatalerror("Unexpected\n");
}
}
static file_error zippath_resolve(const char *path, osd_dir_entry_type &entry_type, zip_file *&zipfile, std::string &newpath)
{
file_error err;
osd_directory_entry *current_entry = NULL;
osd_dir_entry_type current_entry_type;
int went_up = FALSE;
int i;
newpath.clear();
/* be conservative */
entry_type = ENTTYPE_NONE;
zipfile = NULL;
std::string apath(path);
std::string apath_trimmed;
do
{
/* trim the path of trailing path separators */
i = apath.length();
while (i > 1 && is_path_separator(apath[i - 1]))
i--;
apath = apath.substr(0, i);
apath_trimmed.assign(apath);
/* stat the path */
current_entry = osd_stat(apath_trimmed.c_str());
/* did we find anything? */
if (current_entry != NULL)
{
/* get the entry type and free the stat entry */
current_entry_type = current_entry->type;
osd_free(current_entry);
current_entry = NULL;
}
else
{
/* if we have not found the file or directory, go up */
current_entry_type = ENTTYPE_NONE;
went_up = TRUE;
std::string parent;
apath.assign(zippath_parent(parent, apath.c_str()));
}
}
while (current_entry_type == ENTTYPE_NONE && !is_root(apath.c_str()));
/* if we did not find anything, then error out */
if (current_entry_type == ENTTYPE_NONE)
{
err = FILERR_NOT_FOUND;
goto done;
}
/* is this file a ZIP file? */
if ((current_entry_type == ENTTYPE_FILE) && is_zip_file(apath_trimmed.c_str())
&& (zip_file_open(apath_trimmed.c_str(), &zipfile) == ZIPERR_NONE))
{
i = strlen(path + apath.length());
while (i > 0 && is_zip_path_separator(path[apath.length() + i - 1]))
i--;
newpath.assign(path + apath.length(), i);
/* this was a true ZIP path - attempt to identify the type of path */
zippath_find_sub_path(zipfile, newpath.c_str(), ¤t_entry_type);
if (current_entry_type == ENTTYPE_NONE)
{
err = FILERR_NOT_FOUND;
goto done;
}
}
else
{
/* this was a normal path */
if (went_up)
{
err = FILERR_NOT_FOUND;
goto done;
}
newpath.assign(path);
}
/* success! */
entry_type = current_entry_type;
err = FILERR_NONE;
done:
return err;
}