simple.c

VLC Player Source Code

                        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] );

                            if( (i_path_size + i_file_size >= PATH_MAX) ||
                                (i_path_size >= PATH_MAX) )
                                goto error;

                            strncpy( &path[0], p_menu->psz_path, i_path_size );
                            strncpy( &path[i_path_size], &file[0],
                                     PATH_MAX - (i_path_size + i_file_size) );
                            path[ i_path_size + i_file_size ] = '\0';

                            p_range_current = osd_StateNew( p_menu, &path[0], "pressed" );
                        }
                        else /* absolute paths are used. */
                            p_range_current = osd_StateNew( p_menu, &file[0], "pressed" );

                        if( !p_range_current )
                            goto error;

                        if( !p_range_current->p_pic )
                        {
                            osd_StatesFree( p_menu, p_range_current );
                            goto error;
                        }

                        p_range_current->i_x = i_x;
                        p_range_current->i_y = i_y;

                        /* 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 = 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] );
                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] );

                        if( (i_path_size + i_file_size >= PATH_MAX) ||
                            (i_path_size >= PATH_MAX) )
                            goto error;

                        strncpy( &path[0], p_menu->psz_path, i_path_size );
                        strncpy( &path[i_path_size], &file[0],
                                 PATH_MAX - (i_path_size + i_file_size) );
                        path[ i_path_size + i_file_size ] = '\0';

                        p_range_current = osd_StateNew( p_menu, &path[0], "pressed" );
                    }
                    else /* absolute paths are used. */
                        p_range_current = osd_StateNew( p_menu, &file[0], "pressed" );

                    if( !p_range_current )
                        goto error;

                    if( !p_range_current->p_pic )
                    {
                        osd_StatesFree( p_menu, p_range_current );
                        goto error;
                    }

                    p_range_current->i_x = i_x;
                    p_range_current->i_y = i_y;

                    /* 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] );

                if( (i_path_size + i_file_size >= PATH_MAX) ||
                    (i_path_size >= PATH_MAX) )
                    goto error;

                strncpy( &path[0], p_menu->psz_path, i_path_size );
                strncpy( &path[i_path_size], &file[0],
                         PATH_MAX - (i_path_size + i_file_size) );
                path[ i_path_size + i_file_size ] = '\0';

                p_state_current = osd_StateNew( p_menu, &path[0], &state[0] );
            }
            else /* absolute paths are used. */
                p_state_current = osd_StateNew( p_menu, &file[0], &state[0] );

            if( !p_state_current )
                goto error;

            if( !p_state_current->p_pic )
            {
                osd_StatesFree( p_menu, p_state_current );
                goto error;
            }

            p_state_current->i_x = i_x;
            p_state_current->i_y = i_y;

            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;

error:
    msg_Err( p_menu, "parsing file failed (returned %d)", result );
    osd_MenuFree( p_menu );
    fclose( fd );
    return VLC_EGENERIC;
}