static __inline__ navauto_mov_explorer_rec_t navauto_mov_explorer_is_file(bool b_direction, navauto_mov_options_t options)
{
// Look for the next playable file in the current directory
while(nav_filelist_set(0, b_direction))
{
if (nav_file_isdir())
break;
if (!nav_file_checkext(g_navauto_filter))
continue;
return NAVAUTO_MOV_EXPLORER_OK;
}
// In case it needs to stay in the current directory,
if ( (options & NAVAUTO_MOV_OPTS_STAY_CURRENT_DIR)
|| (g_navauto_exp_mode == NAVAUTO_MODE_DIRONLY))
{
if (!nav_file_isdir() && nav_file_checkext(g_navauto_filter))
{
g_navauto_u16_pos += (!b_direction == FS_FIND_NEXT)?(1):(-1);
}
// Update g_navauto_u16_pos
while(nav_filelist_set(0, !b_direction))
{
if (nav_file_isdir())
break;
if (!nav_file_checkext(g_navauto_filter))
continue;
g_navauto_u16_pos += (!b_direction == FS_FIND_NEXT)?(1):(-1);
}
// Go to the first/last file
if (navauto_mov_explorer_select_limit_file_cur_folder(b_direction) == NAVAUTO_MOV_EXPLORER_OK)
{
if (options & NAVAUTO_MOV_OPTS_STAY_CURRENT_DIR)
return NAVAUTO_MOV_EXPLORER_OK;
else
return NAVAUTO_MOV_EXPLORER_OK_LOOP;
}
return NAVAUTO_MOV_EXPLORER_EMPTY;
}
// At this point, it means it reached a limit, there is no more playable files
switch(is_file_process_fct[(b_direction == FS_FIND_NEXT)?1:0](b_direction))
{
case NAVAUTO_MOV_EXPLORER_RECURSIVE:
return NAVAUTO_MOV_EXPLORER_RECURSIVE;
case NAVAUTO_MOV_EXPLORER_OK:
return NAVAUTO_MOV_EXPLORER_OK;
default:
break;
}
// At this point, there is no directory available and the limit function
// returns ERROR
if (navauto_mov_explorer_updir(b_direction) == NAVAUTO_MOV_EXPLORER_RECURSIVE)
return NAVAUTO_MOV_EXPLORER_RECURSIVE;
return navauto_mov_ok_loop(b_direction, options);
}
//! Go to next file or directory in file list FLAT
//!
//! @return false in case of error, see global value "fs_g_status" for more detail
//! @return true otherwise
//!
bool nav_flat_next( void )
{
uint16_t u16_save_current_pos;
u16_save_current_pos = nav_filelist_get();
if( nav_file_isdir() )
{
// The current file is a dir then enter in this
if( !nav_dir_cd() )
return false;
if( nav_filelist_set( 0 , FS_FIND_NEXT ) )
{
// A file is present in this dir then valid the new position
fs_g_nav.u8_flat_dir_level++;
fs_g_nav.u16_flat_pos_offset += u16_save_current_pos+1;
return true;
}else{
// No file then return in parent dir
if( !nav_dir_gotoparent() )
return false; // Error
}
}
// Find next file in the current dir or the parent dir
while( !nav_filelist_set( 0 , FS_FIND_NEXT ) )
{
// End of the directory then goes to parent
if( 0 == fs_g_nav.u8_flat_dir_level )
return false; // End of list FLAT
if( !nav_dir_gotoparent() )
return false; // Error
fs_g_nav.u8_flat_dir_level--;
}
fs_g_nav.u16_flat_pos_offset = (fs_g_nav.u16_flat_pos_offset +u16_save_current_pos +1) -nav_filelist_get();
return true;
}
static __inline__ navauto_mov_explorer_rec_t navauto_mov_explorer_is_dir(bool b_direction, navauto_mov_options_t options)
{
bool status;
// Look for the next/previous directory in the current directory
if ((status = nav_filelist_set(0, b_direction)))
status = nav_file_isdir();
// If status == false, it means it reached a limit
if (!status)
{
switch(is_dir_process_fct[(b_direction == FS_FIND_NEXT)?1:0](b_direction))
{
case NAVAUTO_MOV_EXPLORER_RECURSIVE:
return NAVAUTO_MOV_EXPLORER_RECURSIVE;
case NAVAUTO_MOV_EXPLORER_OK:
return NAVAUTO_MOV_EXPLORER_OK;
default:
break;
}
}
else
return navauto_mov_explorer_enterdir(b_direction);
// At this point, there is no directory available and the limit function
// returns ERROR
if (navauto_mov_explorer_updir(b_direction) == NAVAUTO_MOV_EXPLORER_RECURSIVE)
return NAVAUTO_MOV_EXPLORER_RECURSIVE;
return navauto_mov_ok_loop(b_direction, options);
}
//! This function selects a file in EXPLORER mode
//!
//! @param b_direction direction of navigation (FS_FIND_NEXT or FS_FIND_PREV)
//! @param options define extra modes for this function
//!
//! @return the status of the action
//!
static uint8_t navauto_mov_explorer_rec(bool b_direction, navauto_mov_options_t options)
{
navauto_mov_explorer_rec_t result;
do
{
// Clear the WatchDog Timer.
wdt_clear();
// If no file is selected - new directory
if (!nav_filelist_validpos())
result = navauto_mov_explorer_new_dir(b_direction, options);
else if (nav_file_isdir()) // If the selection is on a directory
result = navauto_mov_explorer_is_dir(b_direction, options);
else // The selection is set on a file
result = navauto_mov_explorer_is_file(b_direction, options);
} while(result == NAVAUTO_MOV_EXPLORER_RECURSIVE);
// Translates returned values
switch(result)
{
case NAVAUTO_MOV_EXPLORER_OK_LOOP:
return NAVAUTO_MOV_OK_LOOP;
case NAVAUTO_MOV_EXPLORER_OK:
return NAVAUTO_MOV_OK;
case NAVAUTO_MOV_EXPLORER_EMPTY:
return NAVAUTO_MOV_EMPTY;
default:
return NAVAUTO_MOV_EXPLORER_ERROR;
}
}
//! This function selects a file in EXPLORER mode
//!
//! @param b_direction direction of navigation (FS_FIND_NEXT or FS_FIND_PREV)
//! @param options define extra modes for this function
//!
//! @return the status of the action
//!
static uint8_t navauto_mov_explorer_rec( bool b_direction, navauto_mov_options_t options )
{
// If no file is selected - new directory
if (!nav_filelist_validpos())
return navauto_mov_explorer_new_dir(b_direction, options);
// If the selection is on a directory
if (nav_file_isdir())
return navauto_mov_explorer_is_dir(b_direction, options);
else // The selection is set on a file
return navauto_mov_explorer_is_file(b_direction, options);
}
//! This function goes to the previous position in filtered file list
//!
//! @return false in case of an error or no next file, see global value "fs_g_status" for more detail
//! @return true otherwise
//!
bool nav_filterlist_previous( void )
{
uint16_t u16_current_pos;
u16_current_pos = nav_filelist_get();
while( nav_filelist_set( 0, FS_FIND_PREV ) )
{
if( nav_file_isdir()
|| nav_file_checkext( fs_g_nav.sz_filterext ) )
{
fs_g_nav.u16_pos_filterlist--;
return true;
}
}
nav_filelist_goto( u16_current_pos );
return false;
}
//! This function goes to the next position in the filtered file list
//!
//! @return false in case of error or no next file, see global value "fs_g_status" for more detail
//! @return true otherwise
//!
bool nav_filterlist_next( void )
{
uint16_t u16_current_pos;
u16_current_pos = nav_filelist_get();
while( nav_filelist_set( 0, FS_FIND_NEXT ) )
{
if( nav_file_isdir()
|| nav_file_checkext( fs_g_nav.sz_filterext ) )
{
if( FS_NO_SEL == u16_current_pos )
{
fs_g_nav.u16_pos_filterlist = 0;
}else{
fs_g_nav.u16_pos_filterlist++;
}
return true;
}
}
nav_filelist_goto( u16_current_pos );
return false;
}
//! Go to previous file or directory in file list FLAT
//!
//! @return false in case of error, see global value "fs_g_status" for more detail
//! @return true otherwise
//!
bool nav_flat_previous( void )
{
uint16_t u16_save_current_pos;
u16_save_current_pos = nav_filelist_get();
if( nav_filelist_set( 0 , FS_FIND_PREV ) )
{
while( 1 )
{
if( !nav_file_isdir() )
{
fs_g_nav.u16_flat_pos_offset = ((fs_g_nav.u16_flat_pos_offset +u16_save_current_pos) -nav_filelist_get()) -1;
return true; // New valid position
}
// The selection is a dir then enter in this
if( !nav_dir_cd() )
return false;
if( !nav_filelist_set( 0 , FS_FIND_NEXT ) )
{
// The dir is empty then goes to the parent
nav_dir_gotoparent();
// The parent dir is the new selection
fs_g_nav.u16_flat_pos_offset = ((fs_g_nav.u16_flat_pos_offset +u16_save_current_pos) -nav_filelist_get()) -1;
return true;
}
fs_g_nav.u8_flat_dir_level++;
// Go to the end of dir
while( nav_filelist_set( 0 , FS_FIND_NEXT ) );
}
}
// Beginning of the directory then goes to parent directory
if( 0 == fs_g_nav.u8_flat_dir_level )
return false; // beginning of the file list FLAT
if( !nav_dir_gotoparent() )
return false;
fs_g_nav.u8_flat_dir_level--;
fs_g_nav.u16_flat_pos_offset -= (nav_filelist_get()+1);
return true;
}
//! This function goes to the previous position in filtered file list
//!
//! @return false in case of error, see global value "fs_g_status" for more detail
//! @return true otherwise
//!
bool nav_filterflat_previous( void )
{
uint16_t u16_save_current_pos;
u16_save_current_pos = nav_filterlist_get();
if( nav_filterlist_previous() )
{
while( 1 )
{
if( !nav_file_isdir() )
{
fs_g_nav.u16_flat_pos_offset = ((fs_g_nav.u16_flat_pos_offset +u16_save_current_pos) -nav_filterlist_get()) -1;
return true; // New position valid
}
// The file is a dir then enter in this
if( !nav_dir_cd() )
return false;
if( !nav_filterlist_next() )
{
// Dir empty then goes to parent and dir is the new selection
nav_filterlist_gotoparent();
fs_g_nav.u16_flat_pos_offset = ((fs_g_nav.u16_flat_pos_offset +u16_save_current_pos) -nav_filterlist_get()) -1;
return true;
}
fs_g_nav.u8_flat_dir_level++;
// Go to end of the dir
while( nav_filterlist_next() );
}
}
// Beginning of current directory then goes to parent
if( 0 == fs_g_nav.u8_flat_dir_level )
return false; // beginning of list FLAT
if( !nav_filterlist_gotoparent() )
return false;
fs_g_nav.u8_flat_dir_level--;
fs_g_nav.u16_flat_pos_offset -= (nav_filterlist_get()+1);
return true;
}
//! @brief This function manages the ls command
//!
//! @param b_more enable the '|more' management when true otherwise no '|more' management
//!
void ushell_cmd_ls( bool b_more )
{
uint8_t str_char[MAX_FILE_PATH_LENGTH];
uint16_t u16_i,u16_nb_file,u16_nb_dir,last_i;
uint8_t ext_filter=false;
//** Print drive name
printf("%c: volume is %s\r\n", 'a'+nav_drive_get(), mem_name(nav_drive_get()) );
printf("Drive uses ");
switch (nav_partition_type())
{
case FS_TYPE_FAT_12:
printf("FAT12\n\r");
break;
case FS_TYPE_FAT_16:
printf("FAT16\n\r");
break;
case FS_TYPE_FAT_32:
printf("FAT32\n\r");
break;
default:
printf("an unknown partition type\r\n");
return;
}
//** Print directory name
if( !nav_dir_name( (FS_STRING)str_char, MAX_FILE_PATH_LENGTH ) )
return;
printf("Dir name is %s\n\r",str_char);
//** Check extension filter in extra parameters
if(g_s_arg[0][0]!=0)
{
if(g_s_arg[0][0] == '*' && g_s_arg[0][1]=='.')
{
ext_filter=true;
for(u16_i=2; u16_i<USHELL_SIZE_CMD_LINE; u16_i++)
{
g_s_arg[0][u16_i-2]=g_s_arg[0][u16_i];
}
}
}
//** Print files list
printf(" Size Name\n\r");
// Init loop at the beginning of directory
nav_filelist_reset();
u16_nb_file=0;
u16_nb_dir=0;
last_i=0;
// For each file in list
while( nav_filelist_set(0,FS_FIND_NEXT) )
{
if(!ext_filter)
{
// No extension filter
if( nav_file_isdir() )
{
printf("Dir ");
u16_nb_dir++; // count the number of directory
}else{
printf(" ");
}
}
else
{
// If extension filter then ignore directories
if(nav_file_isdir())
continue;
// Check extension
if(!nav_file_checkext((FS_STRING)g_s_arg[0]))
continue;
}
u16_nb_file++; // count the total of files (directories and files)
// Check 'more' step
if( b_more && ((u16_nb_file%USHELL_NB_LINE)==0) && (u16_nb_file!=0) && (last_i != u16_nb_file) )
{
last_i=u16_nb_file;
if( !ushell_more_wait() )
return; // Exit LS command
}
// Display file
nav_file_name((FS_STRING)str_char, MAX_FILE_PATH_LENGTH, FS_NAME_GET, true);
printf("%10lu %s\n\r", nav_file_lgt(), str_char);
}
// Display total number
printf(" %4i Files\r\n", u16_nb_file-u16_nb_dir );
printf(" %4i Dir\r\n", u16_nb_dir );
}
//! @brief Synchronize a path with an other path
//!
//! @return true if success
//!
bool ushell_cmd_sync( void )
{
Fs_index sav_index;
uint8_t u8_folder_level = 0;
if( g_s_arg[0][0] == 0 )
return false;
if( g_s_arg[1][0] == 0 )
return false;
// Add '\' at the end of path, else the nav_setcwd select the directory but don't enter into.
ushell_path_valid_syntac( g_s_arg[0] );
ushell_path_valid_syntac( g_s_arg[1] );
printf("Synchronize folders:\n\r");
sav_index = nav_getindex(); // Save the position
// Select source directory in COPYFILE navigator handle
nav_select( FS_NAV_ID_COPYFILE );
printf("Select source directory\n\r");
if( !nav_setcwd( (FS_STRING)g_s_arg[0], true, false ) )
goto ushell_cmd_sync_error;
nav_filelist_reset();
// Select destination directory in USHELL navigator handle
nav_select( FS_NAV_ID_USHELL_CMD );
printf("Select destination directory\n\r");
if( !nav_setcwd( (FS_STRING)g_s_arg[1], true, true ) )
goto ushell_cmd_sync_error;
nav_filelist_reset();
// loop to scan and create ALL folders and files
while(1)
{
while(1)
{
// Loop to Search files or directories
// Reselect Source
nav_select( FS_NAV_ID_COPYFILE );
if( nav_filelist_set( 0 , FS_FIND_NEXT ) )
break; // a next file and directory is found
// No other dir or file in current dir then go to parent dir on Source and Destination disk
if( 0 == u8_folder_level )
{
// end of update folder
//********* END OF COPY **************
goto ushell_cmd_sync_finish;
}
printf("Go to parent\n\r");
// Remark, nav_dir_gotoparent() routine go to in parent dir and select the children dir in list
u8_folder_level--;
if( !nav_dir_gotoparent() )
goto ushell_cmd_sync_error;
// Select Destination navigator and go to the same dir of Source
nav_select( FS_NAV_ID_USHELL_CMD );
if( !nav_dir_gotoparent() )
goto ushell_cmd_sync_error;
} // end of while (1)
if( nav_file_isdir())
{
printf("Dir found - create dir: ");
//** here, a new directory is found and is selected
// Get name of current selection (= dir name on Source)
if( !nav_file_name( (FS_STRING)g_s_arg[0], USHELL_SIZE_CMD_LINE, FS_NAME_GET, false ))
goto ushell_cmd_sync_error;
// Enter in dir (on Source)
if( !nav_dir_cd())
goto ushell_cmd_sync_error;
u8_folder_level++;
// Select Destination disk
nav_select( FS_NAV_ID_USHELL_CMD );
// Create folder in Destination disk
printf((char*)g_s_arg[0]);
printf("\n\r");
if( !nav_dir_make( (FS_STRING )g_s_arg[0] ))
{
if( FS_ERR_FILE_EXIST != fs_g_status )
goto ushell_cmd_sync_error;
// here, error the name exist
}
// Here the navigator have selected the folder on Destination
if( !nav_dir_cd())
{
if( FS_ERR_NO_DIR == fs_g_status )
{
// FYC -> Copy impossible, because a file have the same name of folder
}
goto ushell_cmd_sync_error;
}
// here, the folder is created and the navigator is entered in this dir
}
else
{
printf("File found - copy file: ");
//** here, a new file is found and is selected
// Get name of current selection (= file name on Source)
if( !nav_file_name( (FS_STRING)g_s_arg[0], USHELL_SIZE_CMD_LINE, FS_NAME_GET, false ))
goto ushell_cmd_sync_error;
printf((char*)g_s_arg[0]);
printf("\n\r");
if( !nav_file_copy())
goto ushell_cmd_sync_error;
// Paste file in current dir of Destination disk
nav_select( FS_NAV_ID_USHELL_CMD );
while( !nav_file_paste_start( (FS_STRING)g_s_arg[0] ) )
{
// Error
if( fs_g_status != FS_ERR_FILE_EXIST )
goto ushell_cmd_sync_error;
// File exists then deletes this one
printf("File exists then deletes this one.\n\r");
if( !nav_file_del( true ) )
goto ushell_cmd_sync_error;
// here, retry PASTE
}
// Copy running
{
uint8_t status;
do{
status = nav_file_paste_state(false);
}while( COPY_BUSY == status );
if( COPY_FINISH != status )
goto ushell_cmd_sync_error;
}
} // if dir OR file
} // end of first while(1)
ushell_cmd_sync_error:
// Restore the position
nav_select( FS_NAV_ID_USHELL_CMD );
nav_gotoindex(&sav_index);
printf("!!!Copy fail\n\r");
return false;
ushell_cmd_sync_finish:
// Restore the position
nav_select( FS_NAV_ID_USHELL_CMD );
nav_gotoindex(&sav_index);
printf("End of copy\n\r");
return true;
}
//! This function opens a file list at the current position in navigator
//!
//! @param b_playlist if true then the current selected file is a play list file to open
//! else create a file list with files included in a disk part
//! @param pos If b_playlist true, then position in the play list to start
//! else folder level of the current position
//!
//! @return false, in case of error or file list empty
//!
bool navauto_open( bool b_playlist , uint16_t pos )
{
Navauto_mov_state state;
g_navauto_b_playlist = b_playlist;
g_navauto_u16_dir_level_root = 0;
g_navauto_u16_nb = 0;
if( b_playlist )
{
g_navauto_u16_pos = pos;
if( !pl_main_open(false) )
return false;
g_navauto_u16_nb = pl_nav_getnbfile();
if( 0 == g_navauto_u16_nb )
return false;
if( NAVAUTO_RAND_OFF == navauto_getrand() )
{
if( pl_nav_setpos(g_navauto_u16_pos + 1))
{
if (nav_filelist_validpos() && nav_file_checkext(g_navauto_filter))
return true;
if (g_navauto_u16_pos != (uint16_t) -1)
return false;
}
}else{
navauto_rand_init();
}
// Error position then restart at the beginning
g_navauto_u16_pos = (uint16_t) -1;
}
else
{
#if( FS_NAV_AUTOMATIC_NBFILE == ENABLE )
Fs_index index;
Fs_index index2;
Navauto_rand rand_mode;
uint16_t u16_current_pos=0;
index.u8_lun = 0xFF; // Reset index (by default no valid selected file)
g_navauto_u16_dir_level = pos;
rand_mode = navauto_getrand(); // Save random mode
navauto_setrand( NAVAUTO_RAND_OFF );
// If no valid file then found the first valid file
if( !nav_file_checkext( g_navauto_filter ))
{
// Go to previous position because "navauto_mov_explorer()" execute a next before search valid file
if( !nav_filelist_set( 0 , FS_FIND_PREV ) )
nav_filelist_reset();
state = navauto_mov_explorer(FS_FIND_NEXT, NAVAUTO_MOV_OPTS_NONE);
if((NAVAUTO_MOV_OK_LOOP != state.status)
&& (NAVAUTO_MOV_OK != state.status) )
{
navauto_setrand(rand_mode);
return false; // List empty
}
}
index = nav_getindex();
// Compute the size of file list and search the position of selected file
navauto_mov_explorer_reset(); // Go to beginning of loop
// Note: the number of file is updated in navauto_mov_explorer() routine when the end of list is detected
while( navauto_mov_explorer( FS_FIND_NEXT, NAVAUTO_MOV_OPTS_NONE ).status == NAVAUTO_MOV_OK )
{
index2 = nav_getindex();
// Check the current position with the selected file
if( (index.u8_lun == index2.u8_lun)
&& (index.u32_cluster_sel_dir == index2.u32_cluster_sel_dir)
&& (index.u16_entry_pos_sel_file == index2.u16_entry_pos_sel_file) )
{
u16_current_pos = g_navauto_u16_pos; // Save the position number found
g_navauto_u16_dir_level_root = g_navauto_u16_dir_level;
}
}
navauto_setrand(rand_mode); // Restore random mode
if( 0 == g_navauto_u16_nb )
return false; // loop empty
// Go to a file from file list
if( NAVAUTO_RAND_OFF == navauto_getrand() )
{
if( 0xFF != index.u8_lun )
{
// Reselect the file selected at startup
nav_gotoindex( &index ); // Go to this one
g_navauto_u16_dir_level = g_navauto_u16_dir_level_root; // Update position file
g_navauto_u16_pos = u16_current_pos; // Update folder level corresponding at file
}
// Else, the first file is already selected at the end of "compute file list size" loop
return true;
}else{
navauto_rand_init();
}
#else
Fs_index index;
Fs_index index2;
Navauto_rand rand_mode;
rand_mode = navauto_getrand();
navauto_setrand(NAVAUTO_RAND_OFF);
// If no valid file then find the first valid file
if( !nav_file_checkext( g_navauto_filter ))
{
// Go to previous position because "navauto_mov_explorer()" execute a next before search valid file
if( !nav_filelist_set( 0 , FS_FIND_PREV ) )
nav_filelist_reset();
state = navauto_mov_explorer(FS_FIND_NEXT, NAVAUTO_MOV_OPTS_NONE);
if((NAVAUTO_MOV_OK_LOOP != state.status)
&& (NAVAUTO_MOV_OK != state.status) )
{
navauto_setrand(rand_mode);
return false; // List empty
}
}
index = nav_getindex();
navauto_setrand(rand_mode);
navauto_mov_explorer_reset();
nav_gotoindex(&index);
// Compute directory level
g_navauto_u16_dir_level = 0;
while(nav_dir_gotoparent())
g_navauto_u16_dir_level++;
if (g_navauto_exp_mode == NAVAUTO_MODE_DIRONLY
|| g_navauto_exp_mode == NAVAUTO_MODE_DIRSUB)
g_navauto_u16_dir_level_root = g_navauto_u16_dir_level;
//g_navauto_u16_dir_level = pos;
// Restore index
nav_gotoindex(&index);
g_navauto_u16_nb = 0;
if( NAVAUTO_RAND_OFF == navauto_getrand() )
navauto_rand_init();
if( nav_file_checkext( g_navauto_filter ))
{
// Get the file position of the current file in the current directory
navauto_mov_explorer_select_limit_file_cur_folder(FS_FIND_NEXT);
// initializes the counter
g_navauto_u16_pos = 0;
// Get the index of the first file
index2 = nav_getindex();
// Check if it matches
while(index.u16_entry_pos_sel_file != index2.u16_entry_pos_sel_file)
{
// If not find the next one
nav_filelist_set(0, FS_FIND_NEXT);
// Check it
if (nav_file_isdir() || !nav_filelist_validpos())
break;
if (!nav_file_checkext(g_navauto_filter))
continue;
// Update the counter
g_navauto_u16_pos++;
// Get its index
index2 = nav_getindex();
}
// Restore index
nav_gotoindex(&index);
return true;
}
#endif
}
g_navauto_u16_pos = (uint16_t) -1;
// Find first file or use the random feature
state = navauto_mov(FS_FIND_NEXT, NAVAUTO_MOV_OPTS_NONE);
if((NAVAUTO_MOV_OK_LOOP != state.status)
&& (NAVAUTO_MOV_OK != state.status) )
return false; // List empty
return true;
}
//! This function adds files in play list
//!
//! @param sz_filterext add file only corresponding to the extension filter
//! @param u8_mode PL_ADD_FILE, PL_ADD_DIR, PL_ADD_SUBDIR
//!
//! @return false in case of error, see global value "fs_g_status" for more detail
//! @return true otherwise
//!
//! @verbatim
//! It is possible to select a file or all files in a directory
//! @endverbatim
//!
bool pl_add( const FS_STRING sz_filterext , uint8_t u8_mode )
{
uint8_t nav_id_save;
uint8_t u8_folder_level;
if( !pl_main_modify() )
return false;
nav_id_save = nav_get();
// Check last character of file
nav_select( FS_NAV_ID_PLAYLIST );
if( 0!=nav_file_lgt() )
{
#if( PL_UNICODE == true)
file_string_unicode();
file_seek( 2, FS_SEEK_END);
if( '\n' != file_getc())
{
file_seek( 2, FS_SEEK_END);
file_putc('\n');
}
file_string_ascii();
#else
file_seek( 1, FS_SEEK_END);
if( '\n' != file_getc())
{
file_seek( 1, FS_SEEK_END);
file_putc('\n');
}
#endif
}
nav_select( nav_id_save );
// Get path of play list file and check with current to create a relative path
if( PL_ADD_FILE == u8_mode )
goto pl_add_file;
// Add all files valid in current dir
u8_folder_level = 0;
nav_filelist_reset();
while(1)
{
while(1)
{
if( nav_filelist_set( 0 , FS_FIND_NEXT ) )
break; // a next file and directory is found
// No other dir or file in current dir then go to parent dir
if( 0 == u8_folder_level )
goto pl_add_end; // end of ADD
// Remark, nav_dir_gotoparent() routine go to in parent dir and select the children dir in list
u8_folder_level--;
if( !nav_dir_gotoparent() )
return false;
}
if( nav_file_isdir())
{
if( PL_ADD_SUBDIR == u8_mode )
{ // Enter in sub dir
if( !nav_dir_cd())
return false;
u8_folder_level++;
}
}
else
{
pl_add_file:
if( nav_file_checkext( sz_filterext ) )
{
// It is a valid file
// Get name of current file
#if( (FS_ASCII == true) && (FS_UNICODE == true) && (PL_UNICODE == false) )
nav_string_ascii();
#endif
nav_getcwd( (FS_STRING)pl_cache_path, PL_CACHE_PATH_MAX_SIZE, true );
#if( (FS_ASCII == true) && (FS_UNICODE == true) && (PL_UNICODE == false) )
nav_string_unicode();
#endif
// Write path in file list
nav_select( FS_NAV_ID_PLAYLIST );
#if( PL_UNICODE == true)
file_string_unicode();
#endif
if( file_puts(pl_cache_path))
file_putc('\n');
#if( PL_UNICODE == true)
file_string_ascii();
#endif
nav_select( nav_id_save );
pl_g_u16_list_size++;
}
if( PL_ADD_FILE == u8_mode )
goto pl_add_end;
} // if dir OR file
} // end of first while(1)
pl_add_end:
// Go to beginning of file AND no file selected
nav_select( FS_NAV_ID_PLAYLIST );
file_seek( 0 , FS_SEEK_SET );
pl_g_u16_list_sel = 0;
nav_select( nav_id_save );
return true;
}
//! This function computes the number of files and/or directories in filtered file list
//! This function is not blocking. It will return after \<retry\> iteration if the result
//! is not yet computed.
//!
//! @param fl_type FL_ALL To check all types (files and directories). <br>
//! FL_DIR To check the directory presence. <br>
//! FL_FILE To check the file presence.
//!
//! @param sz_filterext Extension filter (ASCII format, e.g.: "txt" or "txt,d*,wk" ). <br>
//! If this argument in NULL, then it uses the default filter used by the filterlist. <br>
//! This argument is also ignored for b_type == FS_DIR.
//! @param p_total Pointer to the result which will be updated by the function (added).
//! Initialization shall be done before entering into this function.
//! @param retry Number of files seen before leaving the function. 0 means that the
//! function is blocking until the result is known.
//!
//! @return number of files and/or directories present in filtered file list.
//!
bool nav_filterlist_nb_ex( fl_type_t fl_type, const FS_STRING sz_filterext, uint16_t* p_total, uint8_t retry )
{
static uint16_t u16_save_position;
bool b_is_dir;
// save current position
if( *p_total==(uint16_t) -1 )
{
u16_save_position = fs_g_nav.u16_pos_filterlist;
// Reset position
if ( !nav_filterlist_reset())
return true;
if (fl_type == FL_DIR)
nav_filelist_single_enable(FS_DIR);
else if (fl_type == FL_FILE)
nav_filelist_single_enable(FS_FILE);
*p_total = 0;
}
// Scan all
while( nav_filelist_set( 0, FS_FIND_NEXT ) )
{
b_is_dir = nav_file_isdir();
// Check if its a file for FL_FILE mode
if (fl_type == FL_FILE && b_is_dir)
{
if (!update_counter(&retry))
return false;
continue;
}
// Check if its a directory for FL_DIR mode
if (fl_type == FL_DIR && !b_is_dir)
{
if (!update_counter(&retry))
return false;
continue;
}
// If the selection is on a file
if (!b_is_dir)
{
// Check the extension of the file
if (!((sz_filterext)?nav_file_checkext(sz_filterext):nav_file_checkext(fs_g_nav.sz_filterext)))
if (!update_counter(&retry))
return false;
}
(*p_total)++;
if (!update_counter(&retry))
return false;
}
nav_filelist_single_disable();
// Restore previous position
if ( u16_save_position != FS_NO_SEL )
{
nav_filterlist_reset();
}else{
// After operation, there are a file selected
nav_filterlist_goto( u16_save_position );
}
return true;
}