mpv/libmenu/menu_filesel.c

507 lines
12 KiB
C

/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include <dirent.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <ctype.h>
#include <unistd.h>
#include <limits.h>
#include "config.h"
#include "mp_msg.h"
#include "m_struct.h"
#include "m_option.h"
#include "libmpcodecs/img_format.h"
#include "libmpcodecs/mp_image.h"
#include "menu.h"
#include "menu_list.h"
#include "input/input.h"
#include "input/keycodes.h"
#define MENU_KEEP_PATH "/tmp/mp_current_path"
int menu_keepdir = 0;
char *menu_chroot = NULL;
struct list_entry_s {
struct list_entry p;
int d;
};
struct menu_priv_s {
menu_list_priv_t p;
char* dir; // current dir
/// Cfg fields
char* path;
char* title;
char* file_action;
char* dir_action;
char** actions;
char* filter;
};
static struct menu_priv_s cfg_dflt = {
MENU_LIST_PRIV_DFLT,
NULL,
NULL,
"Select a file: %p",
"loadfile '%p'",
NULL,
NULL,
NULL
};
#define ST_OFF(m) M_ST_OFF(struct menu_priv_s,m)
static const m_option_t cfg_fields[] = {
MENU_LIST_PRIV_FIELDS,
{ "path", ST_OFF(path), CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "title", ST_OFF(title), CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "file-action", ST_OFF(file_action), CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "dir-action", ST_OFF(dir_action), CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "actions", ST_OFF(actions), CONF_TYPE_STRING_LIST, 0, 0, 0, NULL},
{ "filter", ST_OFF(filter), CONF_TYPE_STRING, 0, 0, 0, NULL},
{ NULL, NULL, NULL, 0,0,0,NULL }
};
#define mpriv (menu->priv)
static void free_entry(list_entry_t* entry) {
free(entry->p.txt);
free(entry);
}
static char* replace_path(char* title , char* dir , int escape) {
char *p = strstr(title,"%p");
if(p) {
int tl = strlen(title);
int dl = strlen(dir);
int t1l = p-title;
int l = tl - 2 + dl;
char *r, *n, *d = dir;
if (escape) {
do {
if (*d == '\\')
l++;
else if (*d == '\'') /* ' -> \'\\\'\' */
l+=7;
} while (*d++);
}
r = malloc(l + 1);
n = r + t1l;
memcpy(r,title,t1l);
do {
if (escape) {
if (*dir == '\\')
*n++ = '\\';
else if (*dir == '\'') { /* ' -> \'\\\'\' */
*n++ = '\\'; *n++ = '\'';
*n++ = '\\'; *n++ = '\\';
*n++ = '\\'; *n++ = '\'';
*n++ = '\\';
}
}
} while ((*n++ = *dir++));
if(tl - t1l - 2 > 0)
strcpy(n-1,p+2);
return r;
} else
return title;
}
typedef int (*kill_warn)(const void*, const void*);
static int mylstat(char *dir, char *file,struct stat* st) {
int l = strlen(dir) + strlen(file);
char s[l+2];
if (!strcmp("..", file)) {
char *slash;
l -= 3;
strcpy(s, dir);
#if HAVE_DOS_PATHS
if (s[l] == '/' || s[l] == '\\')
#else
if (s[l] == '/')
#endif
s[l] = '\0';
slash = strrchr(s, '/');
#if HAVE_DOS_PATHS
if (!slash)
slash = strrchr(s,'\\');
#endif
if (!slash)
return stat(dir,st);
slash[1] = '\0';
return stat(s,st);
}
sprintf(s,"%s/%s",dir,file);
return stat(s,st);
}
static int compare(char **a, char **b){
if((*a)[strlen(*a) - 1] == '/') {
if((*b)[strlen(*b) - 1] == '/')
return strcmp(*b, *a) ;
else
return 1;
} else {
if((*b)[strlen(*b) - 1] == '/')
return -1;
else
return strcmp(*b, *a);
}
}
static char **get_extensions(menu_t *menu){
char **extensions, ext[32];
FILE *fp;
int n = 1;
if (!mpriv->filter)
return NULL;
fp = fopen(mpriv->filter, "r");
if(!fp)
return NULL;
extensions = malloc(sizeof(*extensions));
*extensions = NULL;
while(fgets(ext,sizeof(ext),fp)) {
char **l, *e;
int s = strlen (ext);
if(ext[s-1] == '\n') {
ext[s-1] = '\0';
s--;
}
e = malloc(s+1);
extensions = realloc(extensions, ++n * sizeof(*extensions));
extensions = realloc(extensions, ++n * sizeof(*extensions));
strcpy (e, ext);
for (l=extensions; *l; l++);
*l++ = e;
*l = NULL;
}
fclose (fp);
return extensions;
}
static void free_extensions(char **extensions){
if (extensions) {
char **l = extensions;
while (*l)
free (*l++);
free (extensions);
}
}
static int open_dir(menu_t* menu,char* args) {
char **namelist, **tp;
struct dirent *dp;
struct stat st;
int n;
int path_fp;
list_entry_t* e;
DIR* dirp;
extern int file_filter;
char **extensions, **elem, *ext;
menu_list_init(menu);
free(mpriv->dir);
mpriv->dir = strdup(args);
if(mpriv->p.title && mpriv->p.title != mpriv->title && mpriv->p.title != cfg_dflt.p.title)
free(mpriv->p.title);
mpriv->p.title = replace_path(mpriv->title,mpriv->dir,0);
if ((dirp = opendir (mpriv->dir)) == NULL){
mp_tmsg(MSGT_GLOBAL,MSGL_ERR,"[MENU] opendir error: %s\n", strerror(errno));
return 0;
}
if (menu_keepdir) {
path_fp = open (MENU_KEEP_PATH, O_CREAT | O_WRONLY | O_TRUNC, 0666);
if (path_fp >= 0) {
write (path_fp, mpriv->dir, strlen (mpriv->dir));
close (path_fp);
}
}
namelist = malloc(sizeof(char *));
extensions = get_extensions(menu);
n=0;
while ((dp = readdir(dirp)) != NULL) {
if(dp->d_name[0] == '.' && strcmp(dp->d_name,"..") != 0)
continue;
if (menu_chroot && !strcmp (dp->d_name,"..")) {
size_t len = strlen (menu_chroot);
if ((strlen (mpriv->dir) == len || strlen (mpriv->dir) == len + 1)
&& !strncmp (mpriv->dir, menu_chroot, len))
continue;
}
if (mylstat(args,dp->d_name,&st))
continue;
if (file_filter && extensions && !S_ISDIR(st.st_mode)) {
if((ext = strrchr(dp->d_name,'.')) == NULL)
continue;
ext++;
elem = extensions;
do {
if (!strcasecmp(ext, *elem))
break;
} while (*++elem);
if (*elem == NULL)
continue;
}
if(n%20 == 0){ // Get some more mem
if((tp = realloc(namelist, (n+20) * sizeof (char *)))
== NULL) {
mp_tmsg(MSGT_GLOBAL,MSGL_ERR,"[MENU] realloc error: %s\n", strerror(errno));
n--;
goto bailout;
}
namelist=tp;
}
namelist[n] = malloc(strlen(dp->d_name) + 2);
if(namelist[n] == NULL){
mp_tmsg(MSGT_GLOBAL,MSGL_ERR,"[MENU] memory allocation error: %s\n", strerror(errno));
n--;
goto bailout;
}
strcpy(namelist[n], dp->d_name);
if(S_ISDIR(st.st_mode))
strcat(namelist[n], "/");
n++;
}
bailout:
free_extensions (extensions);
closedir(dirp);
qsort(namelist, n, sizeof(char *), (kill_warn)compare);
if (n < 0) {
mp_tmsg(MSGT_GLOBAL,MSGL_ERR,"[MENU] readdir error: %s\n",strerror(errno));
return 0;
}
while(n--) {
if((e = calloc(1,sizeof(list_entry_t))) != NULL){
e->p.next = NULL;
e->p.txt = strdup(namelist[n]);
if(strchr(namelist[n], '/') != NULL)
e->d = 1;
menu_list_add_entry(menu,e);
}else{
mp_tmsg(MSGT_GLOBAL,MSGL_ERR,"[MENU] memory allocation error: %s\n", strerror(errno));
}
free(namelist[n]);
}
free(namelist);
return 1;
}
static char *action;
static void read_cmd(menu_t* menu,int cmd) {
switch(cmd) {
case MENU_CMD_LEFT:
mpriv->p.current = mpriv->p.menu; // Hack : we consider that the first entry is ../
case MENU_CMD_RIGHT:
case MENU_CMD_OK: {
// Directory
if(mpriv->p.current->d && !mpriv->dir_action) {
// Default action : open this dirctory ourself
int l = strlen(mpriv->dir);
char *slash = NULL, *p = NULL;
if(strcmp(mpriv->p.current->p.txt,"../") == 0) {
if(l <= 1) break;
mpriv->dir[l-1] = '\0';
slash = strrchr(mpriv->dir,'/');
#if HAVE_DOS_PATHS
if (!slash)
slash = strrchr(mpriv->dir,'\\');
#endif
if(!slash) break;
slash[1] = '\0';
p = strdup(mpriv->dir);
} else {
p = malloc(l + strlen(mpriv->p.current->p.txt) + 1);
sprintf(p,"%s%s",mpriv->dir,mpriv->p.current->p.txt);
}
menu_list_uninit(menu,free_entry);
if(!open_dir(menu,p)) {
mp_tmsg(MSGT_GLOBAL,MSGL_ERR,"[MENU] Can't open directory %s.\n",p);
menu->cl = 1;
}
free(p);
} else { // File and directory dealt with action string.
int fname_len = strlen(mpriv->dir) + strlen(mpriv->p.current->p.txt) + 1;
char filename[fname_len];
char *str;
char *action = mpriv->p.current->d ? mpriv->dir_action:mpriv->file_action;
sprintf(filename,"%s%s",mpriv->dir,mpriv->p.current->p.txt);
str = replace_path(action, filename,1);
mp_input_parse_and_queue_cmds(menu->input_ctx, str);
if (str != action)
free(str);
}
} break;
case MENU_CMD_ACTION: {
int fname_len = strlen(mpriv->dir) + strlen(mpriv->p.current->p.txt) + 1;
char filename[fname_len];
char *str;
sprintf(filename,"%s%s",mpriv->dir,mpriv->p.current->p.txt);
str = replace_path(action, filename,1);
mp_input_parse_and_queue_cmds(menu->input_ctx, str);
if(str != action)
free(str);
} break;
default:
menu_list_read_cmd(menu,cmd);
}
}
static int read_key(menu_t* menu,int c){
char **str;
for (str=mpriv->actions; str && *str; str++)
if (c == (*str)[0]) {
action = &(*str)[2];
read_cmd(menu,MENU_CMD_ACTION);
return 1;
}
if (menu_dflt_read_key(menu, c))
return 1;
return menu_list_jump_to_key(menu, c);
}
static void clos(menu_t* menu) {
menu_list_uninit(menu,free_entry);
free(mpriv->dir);
}
static int open_fs(menu_t* menu, char* args) {
char *path = mpriv->path;
int r = 0;
char wd[PATH_MAX+1], b[PATH_MAX+1];
args = NULL; // Warning kill
menu->draw = menu_list_draw;
menu->read_cmd = read_cmd;
menu->read_key = read_key;
menu->close = clos;
if (menu_keepdir) {
if (!path || path[0] == '\0') {
struct stat st;
int path_fp;
path_fp = open (MENU_KEEP_PATH, O_RDONLY);
if (path_fp >= 0) {
if (!fstat (path_fp, &st) && (st.st_size > 0)) {
path = malloc(st.st_size+1);
path[st.st_size] = '\0';
if (!((read(path_fp, path, st.st_size) == st.st_size) && path[0] == '/'
&& !stat(path, &st) && S_ISDIR(st.st_mode))) {
free(path);
path = NULL;
}
}
close (path_fp);
}
}
}
getcwd(wd,PATH_MAX);
if (!path || path[0] == '\0') {
#if 0
char *slash = NULL;
if (filename && !strstr(filename, "://") && (path=realpath(filename, b))) {
slash = strrchr(path, '/');
#if HAVE_DOS_PATHS
// FIXME: Do we need and can convert all '\\' in path to '/' on win32?
if (!slash)
slash = strrchr(path, '\\');
#endif
}
if (slash)
slash[1] = '\0';
else
#endif
path = wd;
}
if (path[0] != '/') {
if(path[strlen(path)-1] != '/')
snprintf(b,sizeof(b),"%s/%s/",wd,path);
else
snprintf(b,sizeof(b),"%s/%s",wd,path);
path = b;
} else if (path[strlen(path)-1]!='/') {
sprintf(b,"%s/",path);
path = b;
}
if (menu_chroot && menu_chroot[0] == '/') {
int l = strlen(menu_chroot);
if (l > 0 && menu_chroot[l-1] == '/')
--l;
if (strncmp(menu_chroot, path, l) || (path[l] != '\0' && path[l] != '/')) {
if (menu_chroot[l] == '/')
path = menu_chroot;
else {
sprintf(b,"%s/",menu_chroot);
path = b;
}
}
}
r = open_dir(menu,path);
return r;
}
const menu_info_t menu_info_filesel = {
"File seletor menu",
"filesel",
"Albeu",
"",
{
"fs_cfg",
sizeof(struct menu_priv_s),
&cfg_dflt,
cfg_fields
},
open_fs
};