garray.h

   1 /* GLIB - Library of useful routines for C programming
   2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library 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 GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GLib Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #ifndef __G_ARRAY_H__
  28 #define __G_ARRAY_H__
  29
  30 #include <gtypes.h>
  31
  32 G_BEGIN_DECLS
  33
  34 typedef struct _GArray          GArray;
  35 typedef struct _GByteArray      GByteArray;
  36 typedef struct _GPtrArray       GPtrArray;
  37
  38 struct _GArray
  39 {
  40   gchar *data;
  41   guint len;
  42 };
  43
  44 struct _GByteArray
  45 {
  46   guint8 *data;
  47   guint   len;
  48 };
  49
  50 struct _GPtrArray
  51 {
  52   gpointer *pdata;
  53   guint     len;
  54 };
  55
  56 /* Resizable arrays, remove fills any cleared spot and shortens the
  57  * array, while preserving the order. remove_fast will distort the
  58  * order by moving the last element to the position of the removed
  59  */
  60
  61 #define g_array_append_val(a,v)   g_array_append_vals (a, &(v), 1)
  62 #define g_array_prepend_val(a,v)  g_array_prepend_vals (a, &(v), 1)
  63 #define g_array_insert_val(a,i,v) g_array_insert_vals (a, i, &(v), 1)
  64 #define g_array_index(a,t,i)      (((t*) (a)->data) [(i)])
  65
  66 GArray* g_array_new               (gboolean          zero_terminated,
  67                                    gboolean          clear,
  68                                    guint             element_size);
  69 GArray* g_array_sized_new         (gboolean          zero_terminated,
  70                                    gboolean          clear,
  71                                    guint             element_size,
  72                                    guint             reserved_size);
  73 gchar*  g_array_free              (GArray           *array,
  74                                    gboolean          free_segment);
  75 GArray* g_array_append_vals       (GArray           *array,
  76                                    gconstpointer     data,
  77                                    guint             len);
  78 GArray* g_array_prepend_vals      (GArray           *array,
  79                                    gconstpointer     data,
  80                                    guint             len);
  81 GArray* g_array_insert_vals       (GArray           *array,
  82                                    guint             index,
  83                                    gconstpointer     data,
  84                                    guint             len);
  85 GArray* g_array_set_size          (GArray           *array,
  86                                    guint             length);
  87 GArray* g_array_remove_index      (GArray           *array,
  88                                    guint             index);
  89 GArray* g_array_remove_index_fast (GArray           *array,
  90                                    guint             index);
  91 void    g_array_sort              (GArray           *array,
  92                                    GCompareFunc      compare_func);
  93 void    g_array_sort_with_data    (GArray           *array,
  94                                    GCompareDataFunc  compare_func,
  95                                    gpointer          user_data);
  96
  97 /* Resizable pointer array.  This interface is much less complicated
  98  * than the above.  Add appends appends a pointer.  Remove fills any
  99  * cleared spot and shortens the array. remove_fast will again distort
 100  * order.
 101  */
 102 #define    g_ptr_array_index(array,index) (array->pdata)[index]
 103 GPtrArray* g_ptr_array_new                (void);
 104 GPtrArray* g_ptr_array_sized_new          (guint             reserved_size);
 105 gpointer*  g_ptr_array_free               (GPtrArray        *array,
 106                                            gboolean          free_seg);
 107 void       g_ptr_array_set_size           (GPtrArray        *array,
 108                                            gint              length);
 109 gpointer   g_ptr_array_remove_index       (GPtrArray        *array,
 110                                            guint             index);
 111 gpointer   g_ptr_array_remove_index_fast  (GPtrArray        *array,
 112                                            guint             index);
 113 gboolean   g_ptr_array_remove             (GPtrArray        *array,
 114                                            gpointer          data);
 115 gboolean   g_ptr_array_remove_fast        (GPtrArray        *array,
 116                                            gpointer          data);
 117 void       g_ptr_array_add                (GPtrArray        *array,
 118                                            gpointer          data);
 119 void       g_ptr_array_sort               (GPtrArray        *array,
 120                                            GCompareFunc      compare_func);
 121 void       g_ptr_array_sort_with_data     (GPtrArray        *array,
 122                                            GCompareDataFunc  compare_func,
 123                                            gpointer          user_data);
 124
 125
 126 /* Byte arrays, an array of guint8.  Implemented as a GArray,
 127  * but type-safe.
 128  */
 129
 130 GByteArray* g_byte_array_new               (void);
 131 GByteArray* g_byte_array_sized_new         (guint             reserved_size);
 132 guint8*     g_byte_array_free              (GByteArray       *array,
 133                                             gboolean          free_segment);
 134 GByteArray* g_byte_array_append            (GByteArray       *array,
 135                                             const guint8     *data,
 136                                             guint             len);
 137 GByteArray* g_byte_array_prepend           (GByteArray       *array,
 138                                             const guint8     *data,
 139                                             guint             len);
 140 GByteArray* g_byte_array_set_size          (GByteArray       *array,
 141                                             guint             length);
 142 GByteArray* g_byte_array_remove_index      (GByteArray       *array,
 143                                             guint             index);
 144 GByteArray* g_byte_array_remove_index_fast (GByteArray       *array,
 145                                             guint             index);
 146 void        g_byte_array_sort              (GByteArray       *array,
 147                                             GCompareFunc      compare_func);
 148 void        g_byte_array_sort_with_data    (GByteArray       *array,
 149                                             GCompareDataFunc  compare_func,
 150                                             gpointer          user_data);
 151
 152
 153 G_END_DECLS
 154
 155 #endif /* __G_ARRAY_H__ */
 156