mpdm_d.c

   1 /*
   2
   3     MPDM - Minimum Profit Data Manager
   4     Copyright (C) 2003/2007 Angel Ortega <angel@triptico.com>
   5
   6     mpdm_d.c - Debugging utilities
   7
   8     This program is free software; you can redistribute it and/or
   9     modify it under the terms of the GNU General Public License
  10     as published by the Free Software Foundation; either version 2
  11     of the License, or (at your option) any later version.
  12
  13     This program is distributed in the hope that it will be useful,
  14     but WITHOUT ANY WARRANTY; without even the implied warranty of
  15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16     GNU General Public License for more details.
  17
  18     You should have received a copy of the GNU General Public License
  19     along with this program; if not, write to the Free Software
  20     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21
  22     http://www.triptico.com
  23
  24 */
  25
  26 #include "config.h"
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <wchar.h>
  32
  33 #include "mpdm.h"
  34
  35 /*******************
  36         Data
  37 ********************/
  38
  39 /*******************
  40         Code
  41 ********************/
  42
  43 static wchar_t *dump_1(const mpdm_t v, int l, wchar_t * ptr, int *size)
  44 {
  45         int n;
  46         wchar_t *wptr;
  47
  48         /* indent */
  49         for (n = 0; n < l; n++)
  50                 ptr = mpdm_poke(ptr, size, L"  ", 2, sizeof(wchar_t));
  51
  52         if (v != NULL) {
  53                 char tmp[256];
  54                 int s;
  55
  56                 sprintf(tmp, "%d,%c%c%c%c:", v->ref,
  57                         v->flags & MPDM_FILE ? 'F' :
  58                         (v->flags & MPDM_STRING ? 'S' :
  59                          (v->flags & MPDM_EXEC ? 'X' : '-')),
  60                         v->flags & MPDM_HASH ? 'H' :
  61                         (v->flags & MPDM_MULTIPLE ? 'M' : '-'),
  62                         v->flags & MPDM_FREE ? 'A' : '-',
  63                         v->flags & MPDM_IVAL ? 'I' : (v->flags & MPDM_RVAL ? 'R' : '-')
  64                     );
  65
  66                 wptr = mpdm_mbstowcs(tmp, &s, -1);
  67                 ptr = mpdm_poke(ptr, size, wptr, s, sizeof(wchar_t));
  68                 free(wptr);
  69
  70                 /* if it's a multiple value, add also the number
  71                    of elements */
  72                 if (v->flags & MPDM_MULTIPLE) {
  73                         sprintf(tmp, "[%d] ", mpdm_size(v));
  74                         wptr = mpdm_mbstowcs(tmp, &s, -1);
  75                         ptr = mpdm_poke(ptr, size, wptr, s, sizeof(wchar_t));
  76                         free(wptr);
  77                 }
  78         }
  79
  80         /* add the visual representation of the value */
  81         wptr = mpdm_string(v);
  82         ptr = mpdm_poke(ptr, size, wptr, wcslen(wptr), sizeof(wchar_t));
  83         ptr = mpdm_poke(ptr, size, L"\n", 1, sizeof(wchar_t));
  84
  85         if (v != NULL) {
  86                 /* if it's a hash, iterate it using hkeys
  87                    (and not assuming a hash is an array) */
  88                 if (v->flags & MPDM_HASH) {
  89                         mpdm_t w;
  90                         mpdm_t t;
  91
  92                         w = mpdm_keys(v);
  93
  94                         for (n = 0; n < mpdm_size(w); n++) {
  95                                 t = mpdm_aget(w, n);
  96
  97                                 ptr = dump_1(t, l + 1, ptr, size);
  98                                 ptr = dump_1(mpdm_hget(v, t), l + 2, ptr, size);
  99                         }
 100                 }
 101                 else
 102                 if (v->flags & MPDM_MULTIPLE) {
 103                         for (n = 0; n < mpdm_size(v); n++)
 104                                 ptr = dump_1(mpdm_aget(v, n), l + 1, ptr, size);
 105                 }
 106         }
 107
 108         return ptr;
 109 }
 110
 111
 112 /**
 113  * mpdm_dumper - Returns a visual representation of a complex value
 114  * @v: The value
 115  *
 116  * Returns a visual representation of a complex value.
 117  */
 118 mpdm_t mpdm_dumper(const mpdm_t v)
 119 {
 120         int size = 0;
 121         wchar_t *ptr;
 122
 123         ptr = dump_1(v, 0, NULL, &size);
 124         ptr = mpdm_poke(ptr, &size, L"", 1, sizeof(wchar_t));
 125
 126         return MPDM_ENS(ptr, size);
 127 }
 128
 129
 130 /**
 131  * mpdm_dump - Dumps a value to stdin.
 132  * @v: The value
 133  *
 134  * Dumps a value to stdin. The value can be complex. This function
 135  * is for debugging purposes only.
 136  */
 137 void mpdm_dump(const mpdm_t v)
 138 {
 139         mpdm_t w;
 140
 141         w = mpdm_dumper(v);
 142         mpdm_write_wcs(stdout, mpdm_string(w));
 143         mpdm_destroy(w);
 144 }
 145
 146
 147 /**
 148  * mpdm_dump_unref - Dumps all unreferenced values.
 149  *
 150  * Dumps all unreferenced values.
 151  */
 152 void mpdm_dump_unref(void)
 153 {
 154         mpdm_t v;
 155         int count, unref;
 156
 157         /* loop all values */
 158         v = mpdm->cur;
 159         count = mpdm->count;
 160         unref = 0;
 161
 162         printf("** Unreferenced values:\n");
 163
 164         while (count--) {
 165                 if (v->ref == 0) {
 166                         mpdm_dump(v);
 167                         unref++;
 168                 }
 169
 170                 v = v->next;
 171         }
 172
 173         printf("** Total unreferenced: %d\n", unref);
 174 }