Dogcows Code - chaz/homebank/blob - src/hb-assign.c

   1 /*  HomeBank -- Free, easy, personal accounting for everyone.
   2  *  Copyright (C) 1995-2017 Maxime DOYEN
   3  *
   4  *  This file is part of HomeBank.
   5  *
   6  *  HomeBank is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  HomeBank is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "homebank.h"
  21 #include "hb-assign.h"
  22
  23 #include "ext.h"
  24 #include "refcount.h"
  25
  26 #define MYDEBUG 0
  27
  28 #if MYDEBUG
  29 #define DB(x) (x);
  30 #else
  31 #define DB(x);
  32 #endif
  33
  34 /* our global datas */
  35 extern struct HomeBank *GLOBALS;
  36
  37
  38 /* = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */
  39
  40 void
  41 da_asg_free(Assign *item)
  42 {
  43         DB( g_print("da_asg_free\n") );
  44         if(rc_unref(item))
  45         {
  46                 DB( g_print(" => %d, %s\n", item->key, item->text) );
  47
  48                 g_free(item->text);
  49                 rc_free(item);
  50         }
  51 }
  52
  53
  54 Assign *
  55 da_asg_malloc(void)
  56 {
  57         DB( g_print("da_asg_malloc\n") );
  58         return rc_alloc(sizeof(Assign));
  59 }
  60
  61
  62 void
  63 da_asg_destroy(void)
  64 {
  65         DB( g_print("da_asg_destroy\n") );
  66         g_hash_table_destroy(GLOBALS->h_rul);
  67 }
  68
  69
  70 void
  71 da_asg_new(void)
  72 {
  73         DB( g_print("da_asg_new\n") );
  74         GLOBALS->h_rul = g_hash_table_new_full(g_int_hash, g_int_equal, (GDestroyNotify)g_free, (GDestroyNotify)da_asg_free);
  75 }
  76
  77
  78 /* = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */
  79 static void da_asg_max_key_ghfunc(gpointer key, Assign *item, guint32 *max_key)
  80 {
  81         *max_key = MAX(*max_key, item->key);
  82 }
  83
  84 static gboolean da_asg_name_grfunc(gpointer key, Assign *item, gchar *name)
  85 {
  86         if( name && item->text )
  87         {
  88                 if(!strcasecmp(name, item->text))
  89                         return TRUE;
  90         }
  91         return FALSE;
  92 }
  93
  94 /**
  95  * da_asg_length:
  96  *
  97  * Return value: the number of elements
  98  */
  99 guint
 100 da_asg_length(void)
 101 {
 102         return g_hash_table_size(GLOBALS->h_rul);
 103 }
 104
 105 /**
 106  * da_asg_remove:
 107  *
 108  * delete an rul from the GHashTable
 109  *
 110  * Return value: TRUE if the key was found and deleted
 111  *
 112  */
 113 gboolean
 114 da_asg_remove(guint32 key)
 115 {
 116         DB( g_print("da_asg_remove %d\n", key) );
 117
 118         return g_hash_table_remove(GLOBALS->h_rul, &key);
 119 }
 120
 121 /**
 122  * da_asg_insert:
 123  *
 124  * insert an rul into the GHashTable
 125  *
 126  * Return value: TRUE if inserted
 127  *
 128  */
 129 gboolean
 130 da_asg_insert(Assign *item)
 131 {
 132 guint32 *new_key;
 133
 134         DB( g_print("da_asg_insert\n") );
 135
 136         new_key = g_new0(guint32, 1);
 137         *new_key = item->key;
 138         g_hash_table_insert(GLOBALS->h_rul, new_key, item);
 139
 140         return TRUE;
 141 }
 142
 143
 144 /**
 145  * da_asg_append:
 146  *
 147  * append a new rul into the GHashTable
 148  *
 149  * Return value: TRUE if inserted
 150  *
 151  */
 152 gboolean
 153 da_asg_append(Assign *item)
 154 {
 155 Assign *existitem;
 156 guint32 *new_key;
 157
 158         DB( g_print("da_asg_append\n") );
 159
 160         DB( g_print(" -> try append: %s\n", item->text) );
 161
 162         if( item->text != NULL )
 163         {
 164                 /* ensure no duplicate */
 165                 existitem = da_asg_get_by_name( item->text );
 166                 if( existitem == NULL )
 167                 {
 168                         new_key = g_new0(guint32, 1);
 169                         *new_key = da_asg_get_max_key() + 1;
 170                         item->key = *new_key;
 171
 172                         DB( g_print(" -> append id: %d\n", *new_key) );
 173
 174                         g_hash_table_insert(GLOBALS->h_rul, new_key, item);
 175                         return TRUE;
 176                 }
 177         }
 178
 179         DB( g_print(" -> %s already exist: %d\n", item->text, item->key) );
 180
 181         return FALSE;
 182 }
 183
 184 /**
 185  * da_asg_get_max_key:
 186  *
 187  * Get the biggest key from the GHashTable
 188  *
 189  * Return value: the biggest key value
 190  *
 191  */
 192 guint32
 193 da_asg_get_max_key(void)
 194 {
 195 guint32 max_key = 0;
 196
 197         g_hash_table_foreach(GLOBALS->h_rul, (GHFunc)da_asg_max_key_ghfunc, &max_key);
 198         return max_key;
 199 }
 200
 201
 202
 203
 204 /**
 205  * da_asg_get_by_name:
 206  *
 207  * Get an rul structure by its name
 208  *
 209  * Return value: rul * or NULL if not found
 210  *
 211  */
 212 Assign *
 213 da_asg_get_by_name(gchar *name)
 214 {
 215         DB( g_print("da_asg_get_by_name\n") );
 216
 217         return g_hash_table_find(GLOBALS->h_rul, (GHRFunc)da_asg_name_grfunc, name);
 218 }
 219
 220
 221
 222 /**
 223  * da_asg_get:
 224  *
 225  * Get an rul structure by key
 226  *
 227  * Return value: rul * or NULL if not found
 228  *
 229  */
 230 Assign *
 231 da_asg_get(guint32 key)
 232 {
 233         DB( g_print("da_asg_get_rul\n") );
 234
 235         return g_hash_table_lookup(GLOBALS->h_rul, &key);
 236 }
 237
 238
 239 static gint
 240 assign_glist_key_compare_func(Assign *a, Assign *b)
 241 {
 242         return a->key - b->key;
 243 }
 244
 245
 246 GList *assign_glist_sorted(gint column)
 247 {
 248 GList *list = g_hash_table_get_values(GLOBALS->h_rul);
 249
 250         //if(column == 0)
 251                 return g_list_sort(list, (GCompareFunc)assign_glist_key_compare_func);
 252         //else
 253         //      return g_list_sort(list, (GCompareFunc)assign_glist_name_compare_func);
 254 }
 255
 256
 257
 258
 259 /* = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */
 260
 261 #if MYDEBUG
 262
 263 static void
 264 da_asg_debug_list_ghfunc(gpointer key, gpointer value, gpointer user_data)
 265 {
 266 guint32 *id = key;
 267 Assign *item = value;
 268
 269         DB( g_print(" %d :: %s\n", *id, item->text) );
 270
 271 }
 272
 273 static void
 274 da_asg_debug_list(void)
 275 {
 276
 277         DB( g_print("\n** debug **\n") );
 278
 279         g_hash_table_foreach(GLOBALS->h_rul, da_asg_debug_list_ghfunc, NULL);
 280
 281         DB( g_print("\n** end debug **\n") );
 282
 283 }
 284
 285 #endif
 286