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 2.1 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, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 /*
  19  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  20  * file for a list of people on the GLib Team.  See the ChangeLog
  21  * files for a list of changes.  These files are distributed with
  22  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  23  */
  24
  25 #ifndef __G_STRING_H__
  26 #define __G_STRING_H__
  27
  28 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  29 #error "Only <glib.h> can be included directly."
  30 #endif
  31
  32 #include <glib/gtypes.h>
  33 #include <glib/gunicode.h>
  34 #include <glib/gbytes.h>
  35 #include <glib/gutils.h>  /* for G_CAN_INLINE */
  36
  37 G_BEGIN_DECLS
  38
  39 typedef struct _GString         GString;
  40
  41 struct _GString
  42 {
  43   gchar  *str;
  44   gsize len;
  45   gsize allocated_len;
  46 };
  47
  48 GLIB_AVAILABLE_IN_ALL
  49 GString*     g_string_new               (const gchar     *init);
  50 GLIB_AVAILABLE_IN_ALL
  51 GString*     g_string_new_len           (const gchar     *init,
  52                                          gssize           len);
  53 GLIB_AVAILABLE_IN_ALL
  54 GString*     g_string_sized_new         (gsize            dfl_size);
  55 GLIB_AVAILABLE_IN_ALL
  56 gchar*       g_string_free              (GString         *string,
  57                                          gboolean         free_segment);
  58 GLIB_AVAILABLE_IN_2_34
  59 GBytes*      g_string_free_to_bytes     (GString         *string);
  60 GLIB_AVAILABLE_IN_ALL
  61 gboolean     g_string_equal             (const GString   *v,
  62                                          const GString   *v2);
  63 GLIB_AVAILABLE_IN_ALL
  64 guint        g_string_hash              (const GString   *str);
  65 GLIB_AVAILABLE_IN_ALL
  66 GString*     g_string_assign            (GString         *string,
  67                                          const gchar     *rval);
  68 GLIB_AVAILABLE_IN_ALL
  69 GString*     g_string_truncate          (GString         *string,
  70                                          gsize            len);
  71 GLIB_AVAILABLE_IN_ALL
  72 GString*     g_string_set_size          (GString         *string,
  73                                          gsize            len);
  74 GLIB_AVAILABLE_IN_ALL
  75 GString*     g_string_insert_len        (GString         *string,
  76                                          gssize           pos,
  77                                          const gchar     *val,
  78                                          gssize           len);
  79 GLIB_AVAILABLE_IN_ALL
  80 GString*     g_string_append            (GString         *string,
  81                                          const gchar     *val);
  82 GLIB_AVAILABLE_IN_ALL
  83 GString*     g_string_append_len        (GString         *string,
  84                                          const gchar     *val,
  85                                          gssize           len);
  86 GLIB_AVAILABLE_IN_ALL
  87 GString*     g_string_append_c          (GString         *string,
  88                                          gchar            c);
  89 GLIB_AVAILABLE_IN_ALL
  90 GString*     g_string_append_unichar    (GString         *string,
  91                                          gunichar         wc);
  92 GLIB_AVAILABLE_IN_ALL
  93 GString*     g_string_prepend           (GString         *string,
  94                                          const gchar     *val);
  95 GLIB_AVAILABLE_IN_ALL
  96 GString*     g_string_prepend_c         (GString         *string,
  97                                          gchar            c);
  98 GLIB_AVAILABLE_IN_ALL
  99 GString*     g_string_prepend_unichar   (GString         *string,
 100                                          gunichar         wc);
 101 GLIB_AVAILABLE_IN_ALL
 102 GString*     g_string_prepend_len       (GString         *string,
 103                                          const gchar     *val,
 104                                          gssize           len);
 105 GLIB_AVAILABLE_IN_ALL
 106 GString*     g_string_insert            (GString         *string,
 107                                          gssize           pos,
 108                                          const gchar     *val);
 109 GLIB_AVAILABLE_IN_ALL
 110 GString*     g_string_insert_c          (GString         *string,
 111                                          gssize           pos,
 112                                          gchar            c);
 113 GLIB_AVAILABLE_IN_ALL
 114 GString*     g_string_insert_unichar    (GString         *string,
 115                                          gssize           pos,
 116                                          gunichar         wc);
 117 GLIB_AVAILABLE_IN_ALL
 118 GString*     g_string_overwrite         (GString         *string,
 119                                          gsize            pos,
 120                                          const gchar     *val);
 121 GLIB_AVAILABLE_IN_ALL
 122 GString*     g_string_overwrite_len     (GString         *string,
 123                                          gsize            pos,
 124                                          const gchar     *val,
 125                                          gssize           len);
 126 GLIB_AVAILABLE_IN_ALL
 127 GString*     g_string_erase             (GString         *string,
 128                                          gssize           pos,
 129                                          gssize           len);
 130 GLIB_AVAILABLE_IN_ALL
 131 GString*     g_string_ascii_down        (GString         *string);
 132 GLIB_AVAILABLE_IN_ALL
 133 GString*     g_string_ascii_up          (GString         *string);
 134 GLIB_AVAILABLE_IN_ALL
 135 void         g_string_vprintf           (GString         *string,
 136                                          const gchar     *format,
 137                                          va_list          args)
 138                                          G_GNUC_PRINTF(2, 0);
 139 GLIB_AVAILABLE_IN_ALL
 140 void         g_string_printf            (GString         *string,
 141                                          const gchar     *format,
 142                                          ...) G_GNUC_PRINTF (2, 3);
 143 GLIB_AVAILABLE_IN_ALL
 144 void         g_string_append_vprintf    (GString         *string,
 145                                          const gchar     *format,
 146                                          va_list          args)
 147                                          G_GNUC_PRINTF(2, 0);
 148 GLIB_AVAILABLE_IN_ALL
 149 void         g_string_append_printf     (GString         *string,
 150                                          const gchar     *format,
 151                                          ...) G_GNUC_PRINTF (2, 3);
 152 GLIB_AVAILABLE_IN_ALL
 153 GString*     g_string_append_uri_escaped (GString         *string,
 154                                           const gchar     *unescaped,
 155                                           const gchar     *reserved_chars_allowed,
 156                                           gboolean         allow_utf8);
 157
 158 /* -- optimize g_strig_append_c --- */
 159 #ifdef G_CAN_INLINE
 160 static inline GString*
 161 g_string_append_c_inline (GString *gstring,
 162                           gchar    c)
 163 {
 164   if (gstring->len + 1 < gstring->allocated_len)
 165     {
 166       gstring->str[gstring->len++] = c;
 167       gstring->str[gstring->len] = 0;
 168     }
 169   else
 170     g_string_insert_c (gstring, -1, c);
 171   return gstring;
 172 }
 173 #define g_string_append_c(gstr,c)       g_string_append_c_inline (gstr, c)
 174 #endif /* G_CAN_INLINE */
 175
 176
 177 GLIB_DEPRECATED
 178 GString *g_string_down (GString *string);
 179 GLIB_DEPRECATED
 180 GString *g_string_up   (GString *string);
 181
 182 #ifndef G_DISABLE_DEPRECATED
 183 #define  g_string_sprintf  g_string_printf
 184 #define  g_string_sprintfa g_string_append_printf
 185 #endif
 186
 187 G_END_DECLS
 188
 189 #endif /* __G_STRING_H__ */