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                 sprintf(tmp, "%d,%c%c%c%c:", v->ref,
  59                         v->flags & MPDM_FILE ? 'F' :
  60                         (v->flags & MPDM_STRING ? 'S' :
  61                                 (v->flags & MPDM_EXEC ? 'X' : '-')),
  62                         v->flags & MPDM_HASH ? 'H' :
  63                                 (v->flags & MPDM_MULTIPLE ? 'M' : '-'),
  64                         v->flags & MPDM_REGEX ? 'r' :
  65                                 (v->flags & MPDM_FREE ? 'A' : '-'),
  66                         v->flags & MPDM_IVAL ? 'I' :
  67                                 (v->flags & MPDM_RVAL ? 'R' : '-')
  68                 );
  69
  70                 wptr = mpdm_mbstowcs(tmp, &s, -1);
  71                 ptr = mpdm_poke(ptr, size, wptr, s, sizeof(wchar_t));
  72                 free(wptr);
  73
  74                 /* if it's a multiple value, add also the number
  75                    of elements */
  76                 if (v->flags & MPDM_MULTIPLE) {
  77                         sprintf(tmp, "[%d] ", mpdm_size(v));
  78                         wptr = mpdm_mbstowcs(tmp, &s, -1);
  79                         ptr = mpdm_poke(ptr, size, wptr, s, sizeof(wchar_t));
  80                         free(wptr);
  81                 }
  82         }
  83
  84         /* add the visual representation of the value */
  85         ptr = mpdm_pokev(ptr, size, v);
  86         ptr = mpdm_pokewsn(ptr, size, L"\n", 1);
  87
  88         if (v != NULL) {
  89                 /* if it's a hash, iterate it */
  90                 if (v->flags & MPDM_HASH) {
  91                         int c = 0;
  92                         mpdm_t k, w;
  93
  94                         while (mpdm_iterator(v, &c, &k, &w)) {
  95                                 ptr = dump_1(k, l + 1, ptr, size);
  96                                 ptr = dump_1(w, l + 2, ptr, size);
  97                         }
  98                 }
  99                 else
 100                 if (v->flags & MPDM_MULTIPLE) {
 101                         for (n = 0; n < mpdm_size(v); n++)
 102                                 ptr = dump_1(mpdm_aget(v, n), l + 1, ptr, size);
 103                 }
 104         }
 105
 106         mpdm_unref(v);
 107
 108         return ptr;
 109 }
 110
 111
 112 static wchar_t *do_dump(mpdm_t v, int *size)
 113 {
 114         wchar_t *ptr;
 115
 116         /* if no dumper plugin is defined, fall back to default */
 117         if (mpdm_dump_1 == NULL)
 118                 mpdm_dump_1 = dump_1;
 119
 120         *size = 0;
 121         ptr = mpdm_dump_1(v, 0, NULL, size);
 122         ptr = mpdm_pokewsn(ptr, size, L"", 1);
 123
 124         return ptr;
 125 }
 126
 127
 128 /**
 129  * mpdm_dumper - Returns a visual representation of a complex value.
 130  * @v: The value
 131  *
 132  * Returns a visual representation of a complex value.
 133  */
 134 mpdm_t mpdm_dumper(const mpdm_t v)
 135 {
 136         int size = 0;
 137         wchar_t *ptr;
 138
 139         ptr = do_dump(v, &size);
 140
 141         return MPDM_ENS(ptr, size - 1);
 142 }
 143
 144
 145 /**
 146  * mpdm_dump - Dumps a value to stdin.
 147  * @v: The value
 148  *
 149  * Dumps a value to stdin. The value can be complex. This function
 150  * is for debugging purposes only.
 151  */
 152 void mpdm_dump(const mpdm_t v)
 153 {
 154         int size = 0;
 155         wchar_t *ptr;
 156
 157         mpdm_ref(v);
 158
 159         ptr = do_dump(v, &size);
 160         mpdm_write_wcs(stdout, ptr);
 161         free(ptr);
 162
 163         mpdm_unrefnd(v);
 164 }