/* --------------------------------------------------------------------------*/ /* */ /* object for getting file type (dir, link, exe, etc) using a filename */ /* Written by Hans-Christoph Steiner */ /* */ /* 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 #ifdef _WIN32 #define _WIN32_WINNT 0x0400 #include #include #else #include #endif #include #include #include #include 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 "); 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); }