//! This function resets the selection pointer, so "no file is selected" 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_reset( void )
{
while( 0 != fs_g_nav.u8_flat_dir_level )
{
fs_g_nav.u8_flat_dir_level--;
nav_dir_gotoparent();
}
fs_g_nav.u16_flat_pos_offset = 0;
return nav_filelist_reset();
}
//! This function sets the pointer to a limit.
//!
//! @param b_direction direction of navigation (FS_FIND_NEXT or FS_FIND_PREV)
//!
//! @return true if a file is selected
//! false otherwise
//!
static navauto_mov_explorer_rec_t navauto_mov_explorer_limit(bool b_direction)
{
// Reset the selection
nav_filelist_reset();
// Goes to the root directory
while(navauto_mov_explorer_updir(b_direction) != NAVAUTO_MOV_EXPLORER_ERROR);
// Update directory level
g_navauto_u16_dir_level = g_navauto_u16_dir_level_root;
// Call back the recursive function
return NAVAUTO_MOV_EXPLORER_RECURSIVE;
}
//! This function goes to a position in the play list
//!
//! @param u16_position position in play list to go
//!
bool pl_nav_setpos( uint16_t u16_position )
{
uint8_t nav_id_save;
if( (0 == u16_position )
|| (pl_g_u16_list_size < u16_position) )
{
fs_g_status = FS_ERR_PL_OUT_LST;
return false;
}
if( pl_g_u16_list_sel == u16_position )
return true;
// Reset previous selection
nav_filelist_reset();
// Go to play list file navigator
nav_id_save = nav_get();
nav_select( FS_NAV_ID_PLAYLIST );
if( pl_g_u16_list_sel > u16_position )
{
// Go to at the beginning of text file
reader_txt_beg();
pl_g_u16_list_sel = 0;
}
while( pl_g_u16_list_sel != u16_position )
{
FS_STRING sz_path;
bool next_pos = false;
if( 0 != file_eof() )
{
nav_select( nav_id_save ); // Re select the previous navigator
return false;
}
if (pl_g_u16_list_sel+1 == u16_position)
{
next_pos = pl_main_readline(PL_MAIN_READLINE_OPT_GOTOPATH, nav_id_save, &sz_path, NULL);
if (sz_path)
PLAYLIST_BUF_FREE(sz_path);
}
else
next_pos = pl_main_readline(PL_MAIN_READLINE_OPT_CHECKLINE, 0, NULL, NULL);
if (next_pos)
pl_g_u16_list_sel++; // Add a file
}
nav_select( nav_id_save ); // Re select the previous navigator
return true;
}
//! This function goes to the parent directory
//!
//! @return false in case of error, see global value "fs_g_status" for more detail
//! @return true otherwise
//!
//! @verbatim
//! After the selected file is the first entry of the new file list FLAT
//! @endverbatim
//!
bool nav_flat_gotoparent( void )
{
_MEM_TYPE_SLOW_ Fs_index index;
index = nav_getindex();
while( 0 != fs_g_nav.u8_flat_dir_level )
{
fs_g_nav.u8_flat_dir_level--;
nav_dir_gotoparent();
}
if( !nav_dir_gotoparent() )
{
nav_gotoindex( &index );
return false;
}
// Go to at the beginning of FLAT list
fs_g_nav.u8_flat_dir_level = 0;
fs_g_nav.u16_flat_pos_offset = 0;
nav_filelist_reset();
nav_flat_next();
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 ))
{
if( nav_filelist_validpos() )
return true;
}
}else{
navauto_rand_init();
}
// Error position then restart at the beginning
g_navauto_u16_pos = 0;
}
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;
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();
// Compute directory level
g_navauto_u16_dir_level = 0;
while(nav_dir_gotoparent())
g_navauto_u16_dir_level++;
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 = 0xFFFF;
if( NAVAUTO_RAND_OFF == navauto_getrand() )
navauto_rand_init();
if( nav_file_checkext( g_navauto_filter ))
{
// Valid file then update position with the first position but it is not the first !
g_navauto_u16_pos = 1;
return true;
}
#endif
}
// 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 opens the current selected file in the current navigator in read only mode.\n
//! It is a non blocking-function that returns every n-file counted.
//!
//! @param u16_n The number of files to look for before returning.\n
//! If it contains the special value of 0, then, it will not
//! process the count of link inside the playlist.
//!
//! @return false in case of error, see global value "fs_g_status" for more detail
//! @return true otherwise
//!
bool pl_main_open_non_blocking(uint16_t u16_n)
{
ai_async_context_t ctx;
uint16_t u16_current_count = 0;
static uint8_t nav_id_save;
typedef enum
{
STATE_INITIALIZATION = 0,
STATE_GET_LINK_COUNT,
STATE_INIT_PLAYLIST_CONTEXT,
STATE_END
} state_t;
// If false, means it is the first call
if (!ai_async_context_pop(&ctx))
ctx.state = (state_t) STATE_INITIALIZATION;
// By default set the status to DONE
ctx.status = CMD_DONE;
switch((state_t) ctx.state)
{
// Initialization
case STATE_INITIALIZATION:
if (pl_main_isopen())
return false;
// Select the play list file in "play list" navigator
// Save current navigator
nav_id_save = nav_get();
nav_copy(FS_NAV_ID_PLAYLIST);
nav_select(FS_NAV_ID_PLAYLIST);
// Make sure the selected file is a playlist
if (nav_file_checkext("m3u"))
pl_g_list_type = E_PL_M3U;
else if (nav_file_checkext("pls"))
pl_g_list_type = E_PL_PLS;
else if (nav_file_checkext("smp"))
pl_g_list_type = E_PL_SMP;
else
{
ctx.status = CMD_EXECUTING;
ctx.state = (state_t) STATE_END;
break;
}
// Open list
if (!reader_txt_open(true))
{
ctx.status = CMD_EXECUTING;
ctx.state = (state_t) STATE_END;
break;
}
pl_g_u16_list_size = 0;
ctx.status = CMD_EXECUTING;
if (u16_n)
ctx.state = (state_t) STATE_GET_LINK_COUNT;
else
ctx.state = (state_t) STATE_INIT_PLAYLIST_CONTEXT;
break;
case STATE_GET_LINK_COUNT:
u16_current_count = 0;
nav_select(FS_NAV_ID_PLAYLIST);
while (!file_eof() && u16_current_count < u16_n)
{
if (pl_main_readline(PL_MAIN_READLINE_OPT_CHECKLINE, 0, NULL, NULL))
pl_g_u16_list_size++;
// Check if an error occurred during the reading
else if (fs_g_status == FS_ERR_FS)
{
// Error file system
ctx.status = CMD_EXECUTING;
ctx.state = (state_t) STATE_END;
break;
}
u16_current_count++;
}
ctx.status = CMD_EXECUTING;
if (file_eof())
ctx.state = (state_t) STATE_INIT_PLAYLIST_CONTEXT;
break;
case STATE_INIT_PLAYLIST_CONTEXT:
nav_select(FS_NAV_ID_PLAYLIST);
// Go to at the beginning of text file
reader_txt_beg();
// Don't select a file
pl_g_u16_list_sel = 0;
// Play list file is opened
pl_g_list_is_open = true;
// Re select the previous navigator
nav_select(nav_id_save);
nav_filelist_reset();
break;
case STATE_END:
// Re select the previous navigator
nav_select(nav_id_save);
break;
}
if (ctx.status == CMD_EXECUTING)
{
if (!ai_async_context_push(&ctx))
return false;
}
return pl_g_list_is_open;
}
//! 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 reads and checks the next line
//!
//! @param opt PL_MAIN_READLINE_OPT_CHECKLINE to check the next line in the file.\n
//! PL_MAIN_READLINE_OPT_READSTRING to read the string in the text file.\n
//! PL_MAIN_READLINE_OPT_GOTOPATH to read, check and goto the path.
//! @param id_nav ID navigator to update with the selected file (ignore if b_gotopatch == false)
//! @param sz_path Address of the string returned. It is used only if PL_MAIN_READLINE_OPT_READSTRING or
//! PL_MAIN_READLINE_OPT_GOTOPATH options are specified.
//! @param u16_size_line The length of the path. If this parameter is NULL, then the length is not returned.
//!
//! @return true if a line with a correct path
//! false line ignored or end of file
//!
bool pl_main_readline( readline_opt_t opt, uint8_t id_nav, FS_STRING *sz_path, uint16_t *u16_size_line )
{
uint16_t line_beg[8]; // Contains first characters of the line
uint32_t u32_file_pos;
uint16_t u16_alt_length = 0;
uint8_t u8_pos_path_in_line = 0;
// Set output to NULL to specify if there is an error
*sz_path = NULL;
// Read the 3 first char in the line
u32_file_pos = file_getpos();
if( E_PL_M3U == pl_g_list_type )
{
// M3U path lines = "path\file"
// M3U comment lines = "#..."
u16_alt_length = reader_txt_get_line( true, (FS_STRING)line_beg, 2 );
if( (2 > u16_alt_length) // The line size is not correct
|| ('#' == line_beg[0]) ) // It is a comment line
{
return false;
}
u8_pos_path_in_line=0;
}
if( (E_PL_PLS == pl_g_list_type) || (E_PL_SMP == pl_g_list_type) )
{
// PLS path lines = "Filexxx=path\file"
// SMP path lines = "File=path\file"
u16_alt_length = reader_txt_get_line( true, (FS_STRING)line_beg, 8 );
if(6 > u16_alt_length) // The line size can't contain a path line
return false;
// Check if it is a path line
if( ('F' != line_beg[0])
|| ('i' != line_beg[1])
|| ('l' != line_beg[2])
|| ('e' != line_beg[3]) )
{
return false;
}
u8_pos_path_in_line=5;
if('=' != line_beg[4])
{
u8_pos_path_in_line++;
if('=' != line_beg[5])
{
u8_pos_path_in_line++;
if('=' != line_beg[6])
{
u8_pos_path_in_line++;
if('=' != line_beg[7])
return false;
}
}
}
}
// Here, the line contains a path
// Store the length of the line if a buffer is set
if (u16_size_line)
*u16_size_line = u16_alt_length - u8_pos_path_in_line;
if (opt == PL_MAIN_READLINE_OPT_CHECKLINE)
return true;
// else go to path
// Read all characters in line
file_seek( u32_file_pos, FS_SEEK_SET );
*sz_path = PLAYLIST_BUF_ALLOC( u16_alt_length * (Is_unicode? 2 : 1 ) );
if( NULL == *sz_path )
return false; // no enough memory, impossible to store the path but path present in line
if( 0 == reader_txt_get_line( (FS_UNICODE==true), *sz_path, u16_alt_length ) )
return false; // Error during the read
if( 0 != u8_pos_path_in_line )
{
// Shift the path to the beginning of the buffer
memmove(*sz_path, *sz_path + u8_pos_path_in_line * ((FS_UNICODE==true) ? 2 : 1),
(u16_alt_length - u8_pos_path_in_line) * ((FS_UNICODE==true) ? 2 : 1));
}
if (opt == PL_MAIN_READLINE_OPT_READSTRING)
return true;
// Update the navigator with the path of play list file, because the path is relative at this one
nav_copy( id_nav );
nav_select( id_nav );
// Go to the path included in the line
if( !nav_setcwd( (FS_STRING) *sz_path , false, false ) )
{
// path no found then path is dead -> reset list to deselect a file
nav_filelist_reset();
}
nav_select( FS_NAV_ID_PLAYLIST );
return true;
}
//! This function opens the current selected file in the current navigator
//!
//! @param b_undo true to authorize the undo feature
//!
//! @return false in case of error, see global value "fs_g_status" for more detail
//! @return true otherwise
//!
bool pl_main_open( bool b_undo )
{
uint8_t nav_id_save;
if( pl_main_isopen() )
return false;
// Select the play list file in "play list" navigator
nav_id_save = nav_get(); // Save current navigator
nav_copy( FS_NAV_ID_PLAYLIST );
nav_select( FS_NAV_ID_PLAYLIST );
// Make sure the selected file is a playlist
if( nav_file_checkext("m3u") )
{
pl_g_list_type = E_PL_M3U;
}else
if( nav_file_checkext("pls") )
{
pl_g_list_type = E_PL_PLS;
}else
if( nav_file_checkext("smp") )
{
pl_g_list_type = E_PL_SMP;
}else
goto pl_main_open_end;
// Open list
#if( PL_READONLY == false )
pl_g_list_undo = b_undo;
pl_g_list_is_modify = false;
pl_g_list_is_readonly = nav_file_isreadonly();
if( pl_g_list_is_readonly )
{
if( !reader_txt_open( true ))
goto pl_main_open_end;
}else{
if( !reader_txt_open( false ))
goto pl_main_open_end;
}
#else
if( !reader_txt_open( true ))
goto pl_main_open_end;
#endif
// Compute the number of file in list
pl_g_u16_list_size = 0;
while( 0 == file_eof() )
{
if( pl_main_readline(PL_MAIN_READLINE_OPT_CHECKLINE,0,NULL,NULL) )
pl_g_u16_list_size++; // Add a file
}
// Go to at the beginning of text file
reader_txt_beg();
pl_g_u16_list_sel = 0; // Don't select a file
pl_g_list_is_open = true; // Play list file is opened
nav_select( nav_id_save ); // Re select the previous navigator
nav_filelist_reset();
pl_main_open_end:
nav_select( nav_id_save ); // Re select the previous navigator
return pl_g_list_is_open;
}
//! This function resets the pointer of selection, so "no file selected" in filtered file list
//!
//! @return false in case of an error, see global value "fs_g_status" for more detail
//! @return true otherwise
//!
bool nav_filterlist_reset( void )
{
fs_g_nav.u16_pos_filterlist = FS_NO_SEL;
return nav_filelist_reset();
}
