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/* --------------------------------------------------------------------------*/
/* */
/* object for getting file type (dir, link, exe, etc) using a filename */
/* Written by Hans-Christoph Steiner <hans@at.or.at> */
/* */
/* Copyright (c) 2006 Hans-Christoph Steiner */
/* */
/* 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. */
/* */
/* 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>
#ifdef _WIN32
#define _WIN32_WINNT 0x0400
#include <windows.h>
#include <stdio.h>
#else
#include <stdlib.h>
#endif
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/errno.h>
static char *version = "$Revision: 1.1 $";
t_int file_status_instance_count;
#define DEBUG(x)
//#define DEBUG(x) x
/*------------------------------------------------------------------------------
* CLASS DEF
*/
static t_class *file_status_class;
typedef struct _file_status {
t_object x_obj;
t_symbol *x_filename;
t_outlet *x_data_outlet;
t_outlet *x_status_outlet;
} t_file_status;
/*------------------------------------------------------------------------------
* IMPLEMENTATION
*/
static void file_status_output_error(t_file_status *x, int error_number)
{
t_atom output_atoms[2];
switch(error_number)
{
case EACCES:
error("[file_status]: access denied: %s", x->x_filename->s_name);
SETSYMBOL(output_atoms, gensym("access"));
break;
case EIO:
error("[file_status]: An error occured while reading %s",
x->x_filename->s_name);
SETSYMBOL(output_atoms, gensym("io"));
break;
case ELOOP:
error("[file_status]: A loop exists in symbolic links in %s",
x->x_filename->s_name);
SETSYMBOL(output_atoms, gensym("loop"));
break;
case ENAMETOOLONG:
error("[file_status]: The filename %s is too long",
x->x_filename->s_name);
SETSYMBOL(output_atoms, gensym("name_too_long"));
break;
case ENOENT:
error("[file_status]: %s does not exist", x->x_filename->s_name);
SETSYMBOL(output_atoms, gensym("does_not_exist"));
break;
case ENOTDIR:
error("[file_status]: A component of %s is not a existing folder",
x->x_filename->s_name);
SETSYMBOL(output_atoms, gensym("not_folder"));
break;
case EOVERFLOW:
error("[file_status]: %s caused overflow in stat struct",
x->x_filename->s_name);
SETSYMBOL(output_atoms, gensym("overflow"));
break;
case EFAULT:
error("[file_status]: fault in stat struct (%s)", x->x_filename->s_name);
SETSYMBOL(output_atoms, gensym("fault"));
break;
case EINVAL:
error("[file_status]: invalid argument to stat() (%s)",
x->x_filename->s_name);
SETSYMBOL(output_atoms, gensym("invalid"));
break;
default:
error("[file_status]: unknown error %d: %s",
error_number, x->x_filename->s_name);
SETSYMBOL(output_atoms, gensym("unknown"));
}
SETSYMBOL(output_atoms + 2, x->x_filename);
outlet_anything(x->x_status_outlet, gensym("error"), 2, output_atoms);
}
static void file_status_output(t_file_status* x)
{
DEBUG(post("file_status_output"););
struct stat stat_buffer;
int result;
t_atom output_atoms[7];
#ifdef _WIN32
result = _stat(x->x_filename, &stat_buffer);
#else
result = stat(x->x_filename->s_name, &stat_buffer);
#endif /* _WIN32 */
if(result != 0)
{
file_status_output_error(x, result);
}
else
{
/* TODO: output time stamps, in which format? */
SETFLOAT(output_atoms, (t_float) stat_buffer.st_nlink);
SETFLOAT(output_atoms + 1, (t_float) stat_buffer.st_uid);
SETFLOAT(output_atoms + 2, (t_float) stat_buffer.st_gid);
SETFLOAT(output_atoms + 3, (t_float) stat_buffer.st_rdev);
SETFLOAT(output_atoms + 4, (t_float) stat_buffer.st_size);
SETFLOAT(output_atoms + 5, (t_float) stat_buffer.st_blocks);
SETFLOAT(output_atoms + 6, (t_float) stat_buffer.st_blksize);
outlet_anything(x->x_data_outlet,x->x_filename,7,output_atoms);
}
}
static void file_status_set(t_file_status* x, t_symbol *s)
{
DEBUG(post("file_status_set"););
#ifdef _WIN32
char string_buffer[MAX_PATH];
ExpandEnvironmentStrings(s->s_name, string_buffer, MAX_PATH);
x->x_filename = gensym(string_buffer);
#else
x->x_filename = s;
#endif
}
static void file_status_symbol(t_file_status *x, t_symbol *s)
{
file_status_set(x,s);
file_status_output(x);
}
static void *file_status_new(t_symbol *s)
{
DEBUG(post("file_status_new"););
t_file_status *x = (t_file_status *)pd_new(file_status_class);
if(!file_status_instance_count)
{
post("[file_status] %s",version);
post("\twritten by Hans-Christoph Steiner <hans@at.or.at>");
post("\tcompiled on "__DATE__" at "__TIME__ " ");
}
file_status_instance_count++;
symbolinlet_new(&x->x_obj, &x->x_filename);
x->x_data_outlet = outlet_new(&x->x_obj, 0);
x->x_status_outlet = outlet_new(&x->x_obj, 0);
/* set to the value from the object argument, if that exists */
if (s != &s_)
{
x->x_filename = s;
}
else
{
x->x_filename = canvas_getcurrentdir();
post("setting pattern to default: %s",x->x_filename->s_name);
}
return (x);
}
void file_status_setup(void)
{
DEBUG(post("file_status_setup"););
file_status_class = class_new(gensym("file_status"),
(t_newmethod)file_status_new,
0,
sizeof(t_file_status),
0,
A_DEFSYM,
0);
/* add inlet datatype methods */
class_addbang(file_status_class,(t_method) file_status_output);
class_addsymbol(file_status_class,(t_method) file_status_symbol);
/* add inlet message methods */
class_addmethod(file_status_class,(t_method) file_status_set,gensym("set"),
A_DEFSYM, 0);
}
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