mpdm_d.c

   1 /*
   2
   3     MPDM - Minimum Profit Data Manager
   4     Copyright (C) 2003/2010 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 /** data **/
  36
  37 static wchar_t *dump_1(const mpdm_t v, int l, wchar_t * ptr, int *size);
  38 wchar_t * (*mpdm_dump_1) (const mpdm_t v, int l, wchar_t *ptr, int *size) = NULL;
  39
  40 /** code **/
  41
  42 static wchar_t *dump_1(const mpdm_t v, int l, wchar_t *ptr, int *size)
  43 /* dumps one value to the ptr dynamic string with 'l' indenting level */
  44 {
  45         int n;
  46         wchar_t *wptr;
  47
  48         mpdm_ref(v);
  49
  50         /* indent */
  51         for (n = 0; n < l; n++)
  52                 ptr = mpdm_pokews(ptr, size, L"  ");
  53
  54         if (v != NULL) {
  55                 char tmp[256];
  56                 int s;
  57
  58                 if (v->flags & MPDM_DELETED)
  59                         strcpy(tmp, "**DELETED**");
  60                 else
  61                         sprintf(tmp, "%d,%c%c%c%c:", v->ref,
  62                                 v->flags & MPDM_FILE ? 'F' :
  63                                 (v->flags & MPDM_STRING ? 'S' :
  64                                         (v->flags & MPDM_EXEC ? 'X' : '-')),
  65                                 v->flags & MPDM_HASH ? 'H' :
  66                                         (v->flags & MPDM_MULTIPLE ? 'M' : '-'),
  67                                 v->flags & MPDM_FREE ? 'A' : '-',
  68                                 v->flags & MPDM_IVAL ? 'I' :
  69                                         (v->flags & MPDM_RVAL ? 'R' : '-')
  70                         );
  71
  72                 wptr = mpdm_mbstowcs(tmp, &s, -1);
  73                 ptr = mpdm_poke(ptr, size, wptr, s, sizeof(wchar_t));
  74                 free(wptr);
  75
  76                 /* if it's a multiple value, add also the number
  77                    of elements */
  78                 if (v->flags & MPDM_MULTIPLE) {
  79                         sprintf(tmp, "[%d] ", mpdm_size(v));
  80                         wptr = mpdm_mbstowcs(tmp, &s, -1);
  81                         ptr = mpdm_poke(ptr, size, wptr, s, sizeof(wchar_t));
  82                         free(wptr);
  83                 }
  84         }
  85
  86         /* add the visual representation of the value */
  87         ptr = mpdm_pokev(ptr, size, v);
  88         ptr = mpdm_pokewsn(ptr, size, L"\n", 1);
  89
  90         if (v != NULL) {
  91                 /* if it's a hash, iterate it */
  92                 if (v->flags & MPDM_HASH) {
  93                         int c = 0;
  94                         mpdm_t k, w;
  95
  96                         while (mpdm_iterator(v, &c, &k, &w)) {
  97                                 ptr = dump_1(k, l + 1, ptr, size);
  98                                 ptr = dump_1(w, 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         mpdm_unrefnd(v);
 109
 110         return ptr;
 111 }
 112
 113
 114 /**
 115  * mpdm_dumper - Returns a visual representation of a complex value.
 116  * @v: The value
 117  *
 118  * Returns a visual representation of a complex value.
 119  */
 120 mpdm_t mpdm_dumper(const mpdm_t v)
 121 {
 122         int size = 0;
 123         wchar_t *ptr;
 124
 125         /* if no dumper plugin is defined, fall back to default */
 126         if (mpdm_dump_1 == NULL)
 127                 mpdm_dump_1 = dump_1;
 128
 129         ptr = mpdm_dump_1(v, 0, NULL, &size);
 130         ptr = mpdm_poke(ptr, &size, L"", 1, sizeof(wchar_t));
 131
 132         return MPDM_ENS(ptr, size - 1);
 133 }
 134
 135
 136 /**
 137  * mpdm_dump - Dumps a value to stdin.
 138  * @v: The value
 139  *
 140  * Dumps a value to stdin. The value can be complex. This function
 141  * is for debugging purposes only.
 142  */
 143 void mpdm_dump(const mpdm_t v)
 144 {
 145         mpdm_t w;
 146
 147         w = mpdm_dumper(v);
 148         mpdm_write_wcs(stdout, mpdm_string(w));
 149         mpdm_destroy(w);
 150 }
 151
 152
 153 /**
 154  * mpdm_dump_unref - Dumps all unreferenced values.
 155  *
 156  * Dumps all unreferenced values.
 157  */
 158 void mpdm_dump_unref(void)
 159 {
 160         mpdm_t v;
 161         int count, unref;
 162
 163         /* loop all values */
 164         v = mpdm->cur;
 165         count = mpdm->count;
 166         unref = 0;
 167
 168         printf("** Unreferenced values:\n");
 169
 170         while (count--) {
 171                 if (v->ref == 0) {
 172                         mpdm_dump(v);
 173                         unref++;
 174                 }
 175
 176                 v = v->next;
 177         }
 178
 179         printf("** Total unreferenced: %d\n", unref);
 180 }