--- /dev/null
+/*****************************************************************************
+ * simple.c - The OSD Menu simple parser code.
+ *****************************************************************************
+ * Copyright (C) 2005-2007 M2X
+ * $Id: $
+ *
+ * Authors: Jean-Paul Saman
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+#include <vlc/vlc.h>
+#include <vlc_vout.h>
+#include <vlc_config.h>
+
+#include <vlc_keys.h>
+#include <vlc_image.h>
+#include <vlc_osd.h>
+#include <vlc_charset.h>
+
+/*****************************************************************************
+ * osd_ConfigLoader: Load and parse osd text configurationfile
+ *****************************************************************************/
+int E_(osd_parser_simpleOpen) ( vlc_object_t *p_this )
+{
+ osd_menu_t *p_menu = (osd_menu_t *) p_this->p_menu;
+ osd_button_t *p_current = NULL; /* button currently processed */
+ osd_button_t *p_prev = NULL; /* previous processed button */
+
+#define MAX_FILE_PATH 256
+ FILE *fd = NULL;
+ int result = 0;
+
+ msg_Dbg( p_this, "opening osdmenu definition file %s", p_menu->psz_file );
+ fd = utf8_fopen( p_menu->psz_file, "r" );
+ if( !fd )
+ {
+ msg_Err( p_this, "failed to open osdmenu definition file %s", p_menu->psz_file );
+ return VLC_EGENERIC;
+ }
+
+ /* Read first line */
+ if( !feof( fd ) )
+ {
+ char action[25] = "";
+ char cmd[25] = "";
+ char path[MAX_FILE_PATH] = "";
+ char *psz_path = NULL;
+ size_t i_len = 0;
+ long pos = 0;
+
+ result = fscanf(fd, "%24s %255s", &action[0], &path[0] );
+
+ /* override images path ? */
+ psz_path = config_GetPsz( p_this, "osdmenu-file-path" );
+ if( psz_path )
+ {
+ /* psz_path is not null and therefor &path[0] cannot be NULL
+ * it might be null terminated.
+ */
+ strncpy( &path[0], psz_path, MAX_FILE_PATH );
+ free( psz_path );
+ psz_path = NULL;
+ }
+ /* NULL terminate before asking the length of path[] */
+ path[MAX_FILE_PATH-1] = '\0';
+ i_len = strlen(&path[0]);
+ if( i_len == MAX_FILE_PATH )
+ i_len--; /* truncate to prevent buffer overflow */
+#if defined(WIN32) || defined(UNDER_CE)
+ if( (i_len > 0) && path[i_len] != '\\' )
+ path[i_len] = '\\';
+#else
+ if( (i_len > 0) && path[i_len] != '/' )
+ path[i_len] = '/';
+#endif
+ path[i_len+1] = '\0';
+ if( result == 0 || result == EOF )
+ goto error;
+ msg_Dbg( p_this, "osdmenu dir %s", &path[0] );
+
+ if( i_len == 0 )
+ *p_menu = osd_MenuNew( *p_menu, NULL, 0, 0 );
+ else
+ *p_menu = osd_MenuNew( *p_menu, &path[0], 0, 0 );
+
+ /* Peek for 'style' argument */
+ pos = ftell( fd );
+ if( pos < 0 )
+ goto error;
+
+ result = fscanf(fd, "%24s %24s", &cmd[0], &action[0] );
+ if( result == 0 || result == EOF )
+ goto error;
+
+ msg_Dbg( p_this, "osdmenu %s %s", &cmd[0], &action[0] );
+ if( strncmp( &cmd[0], "style", 5 ) == 0 )
+ {
+ if( strncmp( &action[0], "default", 7) == 0 )
+ {
+ (*p_menu)->i_style = OSD_MENU_STYLE_SIMPLE;
+ }
+ else if( strncmp( &action[0], "concat", 6) == 0 )
+ {
+ (*p_menu)->i_style = OSD_MENU_STYLE_CONCAT;
+ }
+ }
+ else
+ {
+ result = fseek( fd, pos, SEEK_SET );
+ if( result < 0 )
+ goto error;
+ }
+ }
+
+ if( !*p_menu )
+ goto error;
+
+ /* read successive lines */
+ while( !feof( fd ) )
+ {
+ osd_state_t *p_state_current = NULL; /* button state currently processed */
+ osd_state_t *p_state_prev = NULL; /* previous state processed button */
+
+ char cmd[25] = "";
+ char action[25] = "";
+ char state[25] = "";
+ char file[256] = "";
+ char path[512] = "";
+ int i_x = 0;
+ int i_y = 0;
+
+ result = fscanf( fd, "%24s %24s (%d,%d)", &cmd[0], &action[0], &i_x, &i_y );
+ if( result == 0 )
+ goto error;
+ if( strncmp( &cmd[0], "action", 6 ) != 0 )
+ break;
+ msg_Dbg( p_this, " + %s hotkey=%s (%d,%d)", &cmd[0], &action[0], i_x, i_y );
+
+ p_prev = p_current;
+ p_current = osd_ButtonNew( &action[0], i_x, i_y );
+ if( !p_current )
+ goto error;
+
+ if( p_prev )
+ p_prev->p_next = p_current;
+ else
+ (*p_menu)->p_button = p_current;
+ p_current->p_prev = p_prev;
+
+ /* parse all states */
+ while( !feof( fd ) )
+ {
+ char type[25] = "";
+
+ result = fscanf( fd, "\t%24s", &state[0] );
+ if( result == 0 )
+ goto error;
+
+ /* FIXME: We only parse one level deep now */
+ if( strncmp( &state[0], "action", 6 ) == 0 )
+ {
+ osd_button_t *p_up = NULL;
+
+ result = fscanf( fd, "%24s (%d,%d)", &action[0], &i_x, &i_y );
+ if( result == 0 )
+ goto error;
+ /* create new button */
+ p_up = osd_ButtonNew( &action[0], i_x, i_y );
+ if( !p_up )
+ goto error;
+ /* Link to list */
+ p_up->p_down = p_current;
+ p_current->p_up = p_up;
+ msg_Dbg( p_this, " + (menu up) hotkey=%s (%d,%d)", &action[0], i_x, i_y );
+ /* Parse type state */
+ result = fscanf( fd, "\t%24s %24s", &cmd[0], &type[0] );
+ if( result == 0 )
+ goto error;
+ if( strncmp( &cmd[0], "type", 4 ) == 0 )
+ {
+ if( strncmp( &type[0], "volume", 6 ) == 0 )
+ {
+ (*p_menu)->p_state->p_volume = p_up;
+ msg_Dbg( p_this, " + type=%s", &type[0] );
+ }
+ }
+ /* Parse range state */
+ result = fscanf( fd, "\t%24s", &state[0] );
+ if( result == 0 )
+ goto error;
+ /* Parse the range state */
+ if( strncmp( &state[0], "range", 5 ) == 0 )
+ {
+ osd_state_t *p_range_current = NULL; /* range state currently processed */
+ osd_state_t *p_range_prev = NULL; /* previous state processed range */
+ int i_index = 0;
+
+ p_up->b_range = VLC_TRUE;
+
+ result = fscanf( fd, "\t%24s", &action[0] );
+ if( result == 0 )
+ goto error;
+
+ result = fscanf( fd, "\t%d", &i_index );
+ if( result == 0 )
+ goto error;
+
+ msg_Dbg( p_this, " + (menu up) hotkey down %s, file=%s%s",
+ &action[0], (*p_menu)->psz_path, &file[0] );
+
+ if( p_up->psz_action_down ) free( p_up->psz_action_down );
+ p_up->psz_action_down = strdup( &action[0] );
+
+ /* Parse range contstruction :
+ * range <hotkey>
+ * <state1> <file1>
+ *
+ * <stateN> <fileN>
+ * end
+ */
+ while( !feof( fd ) )
+ {
+ result = fscanf( fd, "\t%255s", &file[0] );
+ if( result == 0 )
+ goto error;
+ if( strncmp( &file[0], "end", 3 ) == 0 )
+ break;
+
+ p_range_prev = p_range_current;
+
+ if( (*p_menu)->psz_path )
+ {
+ size_t i_path_size = strlen( (*p_menu)->psz_path );
+ size_t i_file_size = strlen( &file[0] );
+
+ strncpy( &path[0], (*p_menu)->psz_path, i_path_size );
+ strncpy( &path[i_path_size], &file[0], 512 - (i_path_size + i_file_size) );
+ path[ i_path_size + i_file_size ] = '\0';
+
+ p_range_current = osd_StateNew( p_this, &path[0], "pressed" );
+ }
+ else /* absolute paths are used. */
+ p_range_current = osd_StateNew( p_this, &file[0], "pressed" );
+
+ if( !p_range_current || !p_range_current->p_pic )
+ goto error;
+
+ /* increment the number of ranges for this button */
+ p_up->i_ranges++;
+
+ if( p_range_prev )
+ p_range_prev->p_next = p_range_current;
+ else
+ p_up->p_states = p_range_current;
+ p_range_current->p_prev = p_range_prev;
+
+ msg_Dbg( p_this, " |- range=%d, file=%s%s",
+ p_up->i_ranges,
+ (*p_menu)->psz_path, &file[0] );
+ }
+ if( i_index > 0 )
+ {
+ osd_state_t *p_range = NULL;
+
+ /* Find the default index for state range */
+ p_range = p_up->p_states;
+ while( (--i_index > 0) && p_range->p_next )
+ {
+ osd_state_t *p_temp = NULL;
+ p_temp = p_range->p_next;
+ p_range = p_temp;
+ }
+ p_up->p_current_state = p_range;
+ }
+ else p_up->p_current_state = p_up->p_states;
+
+ }
+ result = fscanf( fd, "\t%24s", &state[0] );
+ if( result == 0 )
+ goto error;
+ if( strncmp( &state[0], "end", 3 ) != 0 )
+ goto error;
+
+ /* Continue at the beginning of the while() */
+ continue;
+ }
+
+ /* Parse the range state */
+ if( strncmp( &state[0], "range", 5 ) == 0 )
+ {
+ osd_state_t *p_range_current = NULL; /* range state currently processed */
+ osd_state_t *p_range_prev = NULL; /* previous state processed range */
+ int i_index = 0;
+
+ p_current->b_range = VLC_TRUE;
+
+ result = fscanf( fd, "\t%24s", &action[0] );
+ if( result == 0 )
+ goto error;
+
+ result = fscanf( fd, "\t%d", &i_index );
+ if( result == 0 )
+ goto error;
+
+ msg_Dbg( p_this, " + hotkey down %s, file=%s%s", &action[0], (*p_menu)->psz_path, &file[0] );
+ if( p_current->psz_action_down ) free( p_current->psz_action_down );
+ p_current->psz_action_down = strdup( &action[0] );
+
+ /* Parse range contstruction :
+ * range <hotkey>
+ * <state1> <file1>
+ *
+ * <stateN> <fileN>
+ * end
+ */
+ while( !feof( fd ) )
+ {
+ result = fscanf( fd, "\t%255s", &file[0] );
+ if( result == 0 )
+ goto error;
+ if( strncmp( &file[0], "end", 3 ) == 0 )
+ break;
+
+ p_range_prev = p_range_current;
+
+ if( (*p_menu)->psz_path )
+ {
+ size_t i_path_size = strlen( (*p_menu)->psz_path );
+ size_t i_file_size = strlen( &file[0] );
+
+ strncpy( &path[0], (*p_menu)->psz_path, i_path_size );
+ strncpy( &path[i_path_size], &file[0], 512 - (i_path_size + i_file_size) );
+ path[ i_path_size + i_file_size ] = '\0';
+
+ p_range_current = osd_StateNew( p_this, &path[0], "pressed" );
+ }
+ else /* absolute paths are used. */
+ p_range_current = osd_StateNew( p_this, &file[0], "pressed" );
+
+ if( !p_range_current || !p_range_current->p_pic )
+ goto error;
+
+ /* increment the number of ranges for this button */
+ p_current->i_ranges++;
+
+ if( p_range_prev )
+ p_range_prev->p_next = p_range_current;
+ else
+ p_current->p_states = p_range_current;
+ p_range_current->p_prev = p_range_prev;
+
+ msg_Dbg( p_this, " |- range=%d, file=%s%s",
+ p_current->i_ranges,
+ (*p_menu)->psz_path, &file[0] );
+ }
+ if( i_index > 0 )
+ {
+ osd_state_t *p_range = NULL;
+
+ /* Find the default index for state range */
+ p_range = p_current->p_states;
+ while( (--i_index > 0) && p_range->p_next )
+ {
+ osd_state_t *p_temp = NULL;
+ p_temp = p_range->p_next;
+ p_range = p_temp;
+ }
+ p_current->p_current_state = p_range;
+ }
+ else p_current->p_current_state = p_current->p_states;
+ /* Continue at the beginning of the while() */
+ continue;
+ }
+ if( strncmp( &state[0], "end", 3 ) == 0 )
+ break;
+
+ result = fscanf( fd, "\t%255s", &file[0] );
+ if( result == 0 )
+ goto error;
+
+ p_state_prev = p_state_current;
+
+ if( ( strncmp( ppsz_button_states[0], &state[0], strlen(ppsz_button_states[0]) ) != 0 ) &&
+ ( strncmp( ppsz_button_states[1], &state[0], strlen(ppsz_button_states[1]) ) != 0 ) &&
+ ( strncmp( ppsz_button_states[2], &state[0], strlen(ppsz_button_states[2]) ) != 0 ) )
+ {
+ msg_Err( p_this, "invalid button state %s for button %s "
+ "expected %u: unselect, select or pressed)",
+ &state[0], &action[0], (unsigned)strlen(&state[0]));
+ goto error;
+ }
+
+ if( (*p_menu)->psz_path )
+ {
+ size_t i_path_size = strlen( (*p_menu)->psz_path );
+ size_t i_file_size = strlen( &file[0] );
+
+ strncpy( &path[0], (*p_menu)->psz_path, i_path_size );
+ strncpy( &path[i_path_size], &file[0], 512 - (i_path_size + i_file_size) );
+ path[ i_path_size + i_file_size ] = '\0';
+
+ p_state_current = osd_StateNew( p_this, &path[0], &state[0] );
+ }
+ else /* absolute paths are used. */
+ p_state_current = osd_StateNew( p_this, &file[0], &state[0] );
+
+ if( !p_state_current || !p_state_current->p_pic )
+ goto error;
+
+ if( p_state_prev )
+ p_state_prev->p_next = p_state_current;
+ else
+ p_current->p_states = p_state_current;
+ p_state_current->p_prev = p_state_prev;
+
+ msg_Dbg( p_this, " |- state=%s, file=%s%s", &state[0], (*p_menu)->psz_path, &file[0] );
+ }
+ p_current->p_current_state = p_current->p_states;
+ }
+
+ /* Find the last button and store its pointer.
+ * The OSD menu behaves like a roundrobin list.
+ */
+ p_current = (*p_menu)->p_button;
+ while( p_current && p_current->p_next )
+ {
+ osd_button_t *p_temp = NULL;
+ p_temp = p_current->p_next;
+ p_current = p_temp;
+ }
+ (*p_menu)->p_last_button = p_current;
+ fclose( fd );
+ return VLC_SUCCESS;
+
+#undef MAX_FILE_PATH
+error:
+ msg_Err( p_this, "parsing file failed (returned %d)", result );
+ osd_MenuFree( p_this, *p_menu );
+ fclose( fd );
+ return VLC_EGENERIC;
+}
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