lms-video/fileselector/fileselector.c

/* --------------------------------------------------------------------------*/
/*                                                                           */
/* object for getting files                   				    */
/* 									    */ 	
/* Based on folderlist by Hans-Christoph Steiner <hans@eds.org>             */
/*                                                                           */
/* Copyright (c) 2013 Santi Noreña <belfegor@gmail.com>                      */
/*                                                                           */
/* 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 3            */
/* of the License, or (at your option) any later version.                    */
/*                                                                           */
/* See file LICENSE for further informations on licensing terms.             */
/*                                                                           */
/* 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.           */
/*                                                                           */
/* --------------------------------------------------------------------------*/

#include <m_pd.h>
#include <stdlib.h>
#include <glob.h>
#include <stdio.h>
#include <string.h>

//static char *version = "$Revision: 0.01 $";

#define DEBUG(x)


/*------------------------------------------------------------------------------
 *  CLASS DEF
 */
static t_class *fileselector_class;

typedef struct _fileselector {
	t_object            x_obj;
	t_symbol*           x_pattern;
	int								x_folder;
  int							  x_file;
  int						    x_type;
	t_outlet				  *x_out;
} t_fileselector;

/*------------------------------------------------------------------------------
 * IMPLEMENTATION                    
 */

static void fileselector_output(t_fileselector* x)
{
   if (strlen(x->x_pattern->s_name) < 6)
   {
			post("fileselector: Set path first");
			return;
		}  
	 char path[FILENAME_MAX] = "";
   glob_t glob_buffer;
	 unsigned int i;	
   strncpy(path, x->x_pattern->s_name, FILENAME_MAX);
   if(sys_isabsolutepath(path)) {
				if(x->x_type < 25) // Make the path video
				{ 
					return;	  	
				}	
				if((x->x_type > 24) && (x->x_type<50)) // Make the path video
				{ 
  					strncat(path,"/video/*",8);
						glob_t glob_video;			  		
						switch(glob(path, GLOB_TILDE, NULL, &glob_video))
	 							{
			  		  	case GLOB_NOSPACE: 
      			  		pd_error(x,"[fileselector] out of memory for \"%s\"",path); 
      			  		break;
								# ifdef GLOB_ABORTED
				    		case GLOB_ABORTED: 
				        	pd_error(x,"[fileselector] aborted \"%s\"",path); 
				        	break;
								# endif
								# ifdef GLOB_NOMATCH
						    case GLOB_NOMATCH: 
		    		    	pd_error(x,"[fileselector] nothing found for %s ",path); 
		    		    	break;
									# endif
								}
						i = x->x_folder;
						if (i < glob_video.gl_pathc)
						{
								strncpy(path, glob_video.gl_pathv[i],strnlen(glob_video.gl_pathv[i],FILENAME_MAX));				
								strncat(path, "/*", 2);
								globfree(&glob_video);
 						}
						else
						{
								post("fileselector: folder is greater than the number of folders");
								globfree(&glob_video);
								return;		
						}    
   			}		
				if((x->x_type > 49) && (x->x_type<75)) // Make the path image
				{ 
  						 strncat(path,"/image/*",8);
				}    
    		if((x->x_type > 74) && (x->x_type<100)) // Make the path image
				{ 
  				 strncat(path,"/fonts/*",8);
				}
 	  		switch(glob(path, GLOB_TILDE, NULL,&glob_buffer))
	 			{
    					case GLOB_NOSPACE: 
    		    		pd_error(x,"[fileselector] out of memory for \"%s\"",path); 
    		    		break;
							# ifdef GLOB_ABORTED
    					case GLOB_ABORTED: 
				        pd_error(x,"[fileselector] aborted \"%s\"",path); 
    				    break;
							# endif
							# ifdef GLOB_NOMATCH
				    	case GLOB_NOMATCH: 
        					pd_error(x,"[fileselector] nothing found for \"%s\"",path); 
        					break;
							# endif
				}
				i = x->x_file;				
				if (i < glob_buffer.gl_pathc)
				{				
						outlet_symbol(x->x_out, gensym(glob_buffer.gl_pathv[i]));
				}				
		}
		globfree( &(glob_buffer) );
}

static void fileselector_set(t_fileselector* x, t_symbol *s) 
{
	x->x_pattern = s;
}

static void fileselector_folder(t_fileselector* x, t_floatarg f)
{
	x->x_folder = f;
	return;
}

static void fileselector_file(t_fileselector* x, t_floatarg f)
{
	x->x_file = f;
  return;
}
 
static void fileselector_type(t_fileselector* x, t_floatarg f)
{
	x->x_type = f;
  return;
}

static void *fileselector_new() 
{
	t_fileselector *x = (t_fileselector *)pd_new(fileselector_class);
  x->x_out = outlet_new((t_object *)x, &s_symbol);
	x->x_folder = 0;
	x->x_file = 0;
	x->x_type = 0;	
	x->x_pattern = gensym("empty");
	return (x);
}

void fileselector_setup(void) 
{
	fileselector_class = class_new(gensym("fileselector"),(t_newmethod)fileselector_new,0,sizeof(t_fileselector),0,A_DEFSYMBOL,A_DEFFLOAT,A_DEFFLOAT,A_DEFFLOAT, 0); 
	/* add inlet datatype methods */
	class_addbang(fileselector_class,(t_method) fileselector_output);
//	class_addsymbol(fileselector_class,(t_method) fileselector_symbol);
	/* add inlet message methods */
	class_addmethod(fileselector_class,(t_method)fileselector_set,gensym("set"),A_DEFSYMBOL, 0);
	// add inlet folder
	class_addmethod(fileselector_class,(t_method)fileselector_folder,gensym("folder"),A_FLOAT, 0);
	// add inlet file
class_addmethod(fileselector_class,(t_method)fileselector_file,gensym("file"),A_FLOAT, 0);
	// add inlet type
class_addmethod(fileselector_class,(t_method)fileselector_type,gensym("type"),A_FLOAT, 0);
}