glib/gstring.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_STRING_H__
  28 #define __G_STRING_H__
  29
  30 #include <glib/gtypes.h>
  31 #include <glib/gunicode.h>
  32 #include <glib/gutils.h>  /* for G_CAN_INLINE */
  33
  34 G_BEGIN_DECLS
  35
  36 typedef struct _GString         GString;
  37 typedef struct _GStringChunk    GStringChunk;
  38
  39 struct _GString
  40 {
  41   gchar  *str;
  42   gsize len;
  43   gsize allocated_len;
  44 };
  45
  46 /* String Chunks
  47  */
  48 GStringChunk* g_string_chunk_new           (gsize size);
  49 void          g_string_chunk_free          (GStringChunk *chunk);
  50 gchar*        g_string_chunk_insert        (GStringChunk *chunk,
  51                                             const gchar  *string);
  52 gchar*        g_string_chunk_insert_len    (GStringChunk *chunk,
  53                                             const gchar  *string,
  54                                             gssize        len);
  55 gchar*        g_string_chunk_insert_const  (GStringChunk *chunk,
  56                                             const gchar  *string);
  57
  58
  59 /* Strings
  60  */
  61 GString*     g_string_new               (const gchar     *init);
  62 GString*     g_string_new_len           (const gchar     *init,
  63                                          gssize           len);
  64 GString*     g_string_sized_new         (gsize            dfl_size);
  65 gchar*       g_string_free              (GString         *string,
  66                                          gboolean         free_segment);
  67 gboolean     g_string_equal             (const GString   *v,
  68                                          const GString   *v2);
  69 guint        g_string_hash              (const GString   *str);
  70 GString*     g_string_assign            (GString         *string,
  71                                          const gchar     *rval);
  72 GString*     g_string_truncate          (GString         *string,
  73                                          gsize            len);
  74 GString*     g_string_set_size          (GString         *string,
  75                                          gsize            len);
  76 GString*     g_string_insert_len        (GString         *string,
  77                                          gssize           pos,
  78                                          const gchar     *val,
  79                                          gssize           len);
  80 GString*     g_string_append            (GString         *string,
  81                                          const gchar     *val);
  82 GString*     g_string_append_len        (GString         *string,
  83                                          const gchar     *val,
  84                                          gssize           len);
  85 GString*     g_string_append_c          (GString         *string,
  86                                          gchar            c);
  87 GString*     g_string_append_unichar    (GString         *string,
  88                                          gunichar         wc);
  89 GString*     g_string_prepend           (GString         *string,
  90                                          const gchar     *val);
  91 GString*     g_string_prepend_c         (GString         *string,
  92                                          gchar            c);
  93 GString*     g_string_prepend_unichar   (GString         *string,
  94                                          gunichar         wc);
  95 GString*     g_string_prepend_len       (GString         *string,
  96                                          const gchar     *val,
  97                                          gssize           len);
  98 GString*     g_string_insert            (GString         *string,
  99                                          gssize           pos,
 100                                          const gchar     *val);
 101 GString*     g_string_insert_c          (GString         *string,
 102                                          gssize           pos,
 103                                          gchar            c);
 104 GString*     g_string_insert_unichar    (GString         *string,
 105                                          gssize           pos,
 106                                          gunichar         wc);
 107 GString*     g_string_erase             (GString         *string,
 108                                          gssize           pos,
 109                                          gssize           len);
 110 GString*     g_string_ascii_down        (GString         *string);
 111 GString*     g_string_ascii_up          (GString         *string);
 112 void         g_string_printf            (GString         *string,
 113                                          const gchar     *format,
 114                                          ...) G_GNUC_PRINTF (2, 3);
 115 void         g_string_append_printf     (GString         *string,
 116                                          const gchar     *format,
 117                                          ...) G_GNUC_PRINTF (2, 3);
 118
 119 /* -- optimize g_strig_append_c --- */
 120 #ifdef G_CAN_INLINE
 121 static inline GString*
 122 g_string_append_c_inline (GString *gstring,
 123                           gchar    c)
 124 {
 125   if (gstring->len + 1 < gstring->allocated_len)
 126     {
 127       gstring->str[gstring->len++] = c;
 128       gstring->str[gstring->len] = 0;
 129     }
 130   else
 131     g_string_insert_c (gstring, -1, c);
 132   return gstring;
 133 }
 134 #define g_string_append_c(gstr,c)       g_string_append_c_inline (gstr, c)
 135 #endif /* G_CAN_INLINE */
 136
 137
 138 #ifndef G_DISABLE_DEPRECATED
 139
 140 /* The following two functions are deprecated and will be removed in
 141  * the next major release. They use the locale-specific tolower and
 142  * toupper, which is almost never the right thing.
 143  */
 144
 145 GString*     g_string_down              (GString         *string);
 146 GString*     g_string_up                (GString         *string);
 147
 148 /* These aliases are included for compatibility. */
 149 #define g_string_sprintf        g_string_printf
 150 #define g_string_sprintfa       g_string_append_printf
 151
 152 #endif /* G_DISABLE_DEPRECATED */
 153
 154 G_END_DECLS
 155
 156 #endif /* __G_STRING_H__ */
 157