intl/gettextP.h

   1 /* Header describing internals of gettext library
   2    Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
   3    Written by Ulrich Drepper <drepper@cygnus.com>, 1995.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #ifndef _GETTEXTP_H
  21 #define _GETTEXTP_H
  22
  23 #ifdef _LIBC
  24 # include "../iconv/gconv_int.h"
  25 #else
  26 # if HAVE_ICONV
  27 #  include <iconv.h>
  28 # endif
  29 #endif
  30
  31 #include "loadinfo.h"
  32
  33 /* @@ end of prolog @@ */
  34
  35 #ifndef PARAMS
  36 # if __STDC__
  37 #  define PARAMS(args) args
  38 # else
  39 #  define PARAMS(args) ()
  40 # endif
  41 #endif
  42
  43 #ifndef internal_function
  44 # define internal_function
  45 #endif
  46
  47 /* Tell the compiler when a conditional or integer expression is
  48    almost always true or almost always false.  */
  49 #ifndef HAVE_BUILTIN_EXPECT
  50 # define __builtin_expect(expr, val) (expr)
  51 #endif
  52
  53 #ifndef W
  54 # define W(flag, data) ((flag) ? SWAP (data) : (data))
  55 #endif
  56
  57
  58 #ifdef _LIBC
  59 # include <byteswap.h>
  60 # define SWAP(i) bswap_32 (i)
  61 #else
  62 static nls_uint32 SWAP PARAMS ((nls_uint32 i));
  63
  64 static inline nls_uint32
  65 SWAP (i)
  66      nls_uint32 i;
  67 {
  68   return (i << 24) | ((i & 0xff00) << 8) | ((i >> 8) & 0xff00) | (i >> 24);
  69 }
  70 #endif
  71
  72
  73 /* This is the representation of the expressions to determine the
  74    plural form.  */
  75 struct expression
  76 {
  77   enum operator
  78   {
  79     var,                        /* The variable "n".  */
  80     num,                        /* Decimal number.  */
  81     mult,                       /* Multiplication.  */
  82     divide,                     /* Division.  */
  83     module,                     /* Module operation.  */
  84     plus,                       /* Addition.  */
  85     minus,                      /* Subtraction.  */
  86     equal,                      /* Comparision for equality.  */
  87     not_equal,                  /* Comparision for inequality.  */
  88     land,                       /* Logical AND.  */
  89     lor,                        /* Logical OR.  */
  90     qmop                        /* Question mark operator.  */
  91   } operation;
  92   union
  93   {
  94     unsigned long int num;      /* Number value for `num'.  */
  95     struct
  96     {
  97       struct expression *left;  /* Left expression in binary operation.  */
  98       struct expression *right; /* Right expression in binary operation.  */
  99     } args2;
 100     struct
 101     {
 102       struct expression *bexp;  /* Boolean expression in ?: operation.  */
 103       struct expression *tbranch; /* True-branch in ?: operation.  */
 104       struct expression *fbranch; /* False-branch in ?: operation.  */
 105     } args3;
 106   } val;
 107 };
 108
 109 /* This is the data structure to pass information to the parser and get
 110    the result in a thread-safe way.  */
 111 struct parse_args
 112 {
 113   const char *cp;
 114   struct expression *res;
 115 };
 116
 117
 118 struct loaded_domain
 119 {
 120   const char *data;
 121   int use_mmap;
 122   size_t mmap_size;
 123   int must_swap;
 124   nls_uint32 nstrings;
 125   struct string_desc *orig_tab;
 126   struct string_desc *trans_tab;
 127   nls_uint32 hash_size;
 128   nls_uint32 *hash_tab;
 129 #ifdef _LIBC
 130   __gconv_t conv;
 131 #else
 132 # if HAVE_ICONV
 133   iconv_t conv;
 134 # endif
 135 #endif
 136   char **conv_tab;
 137
 138   struct expression *plural;
 139   unsigned long int nplurals;
 140 };
 141
 142 struct binding
 143 {
 144   struct binding *next;
 145   char *dirname;
 146   char *codeset;
 147 #ifdef __GNUC__
 148   char domainname[0];
 149 #else
 150   char domainname[1];
 151 #endif
 152 };
 153
 154 extern int _nl_msg_cat_cntr;
 155
 156 struct loaded_l10nfile *_nl_find_domain PARAMS ((const char *__dirname,
 157                                                  char *__locale,
 158                                                  const char *__domainname,
 159                                               struct binding *__domainbinding))
 160      internal_function;
 161 void _nl_load_domain PARAMS ((struct loaded_l10nfile *__domain))
 162      internal_function;
 163 void _nl_unload_domain PARAMS ((struct loaded_domain *__domain))
 164      internal_function;
 165
 166 #ifdef _LIBC
 167 extern char *__ngettext PARAMS ((const char *msgid1, const char *msgid2,
 168                                  unsigned long int n));
 169 extern char *__dngettext PARAMS ((const char *domainname, const char *msgid1,
 170                                   const char *msgid2, unsigned long int n));
 171 extern char *__dcngettext PARAMS ((const char *domainname, const char *msgid1,
 172                                    const char *msgid2, unsigned long int n,
 173                                    int category));
 174 extern char *__dcigettext PARAMS ((const char *domainname, const char *msgid1,
 175                                    const char *msgid2, int plural,
 176                                    unsigned long int n, int category));
 177 #else
 178 extern char *ngettext__ PARAMS ((const char *msgid1, const char *msgid2,
 179                                  unsigned long int n));
 180 extern char *dngettext__ PARAMS ((const char *domainname, const char *msgid1,
 181                                   const char *msgid2, unsigned long int n));
 182 extern char *dcngettext__ PARAMS ((const char *domainname, const char *msgid1,
 183                                    const char *msgid2, unsigned long int n,
 184                                    int category));
 185 extern char *dcigettext__ PARAMS ((const char *domainname, const char *msgid1,
 186                                    const char *msgid2, int plural,
 187                                    unsigned long int n, int category));
 188 #endif
 189
 190 extern int __gettextdebug;
 191 extern void __gettext_free_exp (struct expression *exp) internal_function;
 192 extern int __gettextparse (void *arg);
 193
 194 /* @@ begin of epilog @@ */
 195
 196 #endif /* gettextP.h  */