libs/pbd/debug.cc

   1 /*
   2     Copyright (C) 2009 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <cstring>
  21 #include <cstdlib>
  22 #include <iostream>
  23 #include <map>
  24
  25 #include "pbd/debug.h"
  26
  27 #include "i18n.h"
  28
  29 using namespace std;
  30 static uint64_t _debug_bit = 1;
  31 static std::map<const char*,uint64_t> _debug_bit_map;
  32
  33 uint64_t PBD::DEBUG::Stateful = PBD::new_debug_bit ("stateful");
  34 uint64_t PBD::DEBUG::Properties = PBD::new_debug_bit ("properties");
  35 uint64_t PBD::DEBUG::FileManager = PBD::new_debug_bit ("filemanager");
  36
  37 uint64_t PBD::debug_bits = 0x0;
  38
  39 uint64_t
  40 PBD::new_debug_bit (const char* name)
  41 {
  42         uint64_t ret;
  43         _debug_bit_map.insert (make_pair (name, _debug_bit));
  44         ret = _debug_bit;
  45         _debug_bit <<= 1;
  46         return ret;
  47 }
  48
  49 void
  50 PBD::debug_print (const char* prefix, string str)
  51 {
  52         cerr << prefix << ": " << str;
  53 }
  54
  55 void
  56 PBD::set_debug_bits (uint64_t bits)
  57 {
  58         debug_bits = bits;
  59 }
  60
  61 int
  62 PBD::parse_debug_options (const char* str)
  63 {
  64         char* p;
  65         char* sp;
  66         uint64_t bits = 0;
  67         char* copy = strdup (str);
  68
  69         p = strtok_r (copy, ",", &sp);
  70
  71         while (p) {
  72                 if (strcasecmp (p, "list") == 0) {
  73                         list_debug_options ();
  74                         free (copy);
  75                         return 1;
  76                 }
  77
  78                 if (strcasecmp (p, "all") == 0) {
  79                         PBD::set_debug_bits (~0ULL);
  80                         free (copy);
  81                         return 0;
  82                 }
  83
  84                 for (map<const char*,uint64_t>::iterator i = _debug_bit_map.begin(); i != _debug_bit_map.end(); ++i) {
  85                         if (strncasecmp (p, i->first, strlen (p)) == 0) {
  86                                 bits |= i->second;
  87                         }
  88                 }
  89
  90                 p = strtok_r (0, ",", &sp);
  91         }
  92
  93         free (copy);
  94         PBD::set_debug_bits (bits);
  95         return 0;
  96 }
  97
  98 void
  99 PBD::list_debug_options ()
 100 {
 101         cout << _("The following debug options are available. Separate multipe options with commas.\nNames are case-insensitive and can be abbreviated.") << endl << endl;
 102         cout << "\tAll" << endl;
 103
 104         for (map<const char*,uint64_t>::iterator i = _debug_bit_map.begin(); i != _debug_bit_map.end(); ++i) {
 105                 cout << "\t" << i->first << endl;
 106         }
 107 }