gcc/intl/gettextP.h

   1 /* Header describing internals of libintl library.
   2    Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc.
   3    Written by Ulrich Drepper <drepper@cygnus.com>, 1995.
   4
   5    This program is free software; you can redistribute it and/or modify it
   6    under the terms of the GNU Library General Public License as published
   7    by the Free Software Foundation; either version 2, or (at your option)
   8    any later version.
   9
  10    This program 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 this program; if not, write to the Free Software
  17    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  18    USA.  */
  19
  20 #ifndef _GETTEXTP_H
  21 #define _GETTEXTP_H
  22
  23 #include <stddef.h>             /* Get size_t.  */
  24
  25 #ifdef _LIBC
  26 # include "../iconv/gconv_int.h"
  27 #else
  28 # if HAVE_ICONV
  29 #  include <iconv.h>
  30 # endif
  31 #endif
  32
  33 #include "loadinfo.h"
  34
  35 #include "gettext.h"            /* Get nls_uint32.  */
  36
  37 /* @@ end of prolog @@ */
  38
  39 #ifndef PARAMS
  40 # if __STDC__
  41 #  define PARAMS(args) args
  42 # else
  43 #  define PARAMS(args) ()
  44 # endif
  45 #endif
  46
  47 #ifndef internal_function
  48 # define internal_function
  49 #endif
  50
  51 /* Tell the compiler when a conditional or integer expression is
  52    almost always true or almost always false.  */
  53 #ifndef HAVE_BUILTIN_EXPECT
  54 # define __builtin_expect(expr, val) (expr)
  55 #endif
  56
  57 #ifndef W
  58 # define W(flag, data) ((flag) ? SWAP (data) : (data))
  59 #endif
  60
  61
  62 #ifdef _LIBC
  63 # include <byteswap.h>
  64 # define SWAP(i) bswap_32 (i)
  65 #else
  66 /* GCC LOCAL: Prototype first to avoid warnings; change argument to
  67    unsigned int to avoid K&R type promotion errors with 64-bit "int".  */
  68 static inline nls_uint32 SWAP PARAMS ((unsigned int));
  69 static inline nls_uint32
  70 SWAP (ii)
  71      unsigned int ii;
  72 {
  73   nls_uint32 i = ii;
  74   return (i << 24) | ((i & 0xff00) << 8) | ((i >> 8) & 0xff00) | (i >> 24);
  75 }
  76 #endif
  77
  78
  79 /* This is the representation of the expressions to determine the
  80    plural form.  */
  81 struct expression
  82 {
  83   int nargs;                    /* Number of arguments.  */
  84   enum operator
  85   {
  86     /* Without arguments:  */
  87     var,                        /* The variable "n".  */
  88     num,                        /* Decimal number.  */
  89     /* Unary operators:  */
  90     lnot,                       /* Logical NOT.  */
  91     /* Binary operators:  */
  92     mult,                       /* Multiplication.  */
  93     divide,                     /* Division.  */
  94     module,                     /* Module operation.  */
  95     plus,                       /* Addition.  */
  96     minus,                      /* Subtraction.  */
  97     less_than,                  /* Comparison.  */
  98     greater_than,               /* Comparison.  */
  99     less_or_equal,              /* Comparison.  */
 100     greater_or_equal,           /* Comparison.  */
 101     equal,                      /* Comparision for equality.  */
 102     not_equal,                  /* Comparision for inequality.  */
 103     land,                       /* Logical AND.  */
 104     lor,                        /* Logical OR.  */
 105     /* Ternary operators:  */
 106     qmop                        /* Question mark operator.  */
 107   } operation;
 108   union
 109   {
 110     unsigned long int num;      /* Number value for `num'.  */
 111     struct expression *args[3]; /* Up to three arguments.  */
 112   } val;
 113 };
 114
 115 /* This is the data structure to pass information to the parser and get
 116    the result in a thread-safe way.  */
 117 struct parse_args
 118 {
 119   const char *cp;
 120   struct expression *res;
 121 };
 122
 123
 124 /* The representation of an opened message catalog.  */
 125 struct loaded_domain
 126 {
 127   const char *data;
 128   int use_mmap;
 129   size_t mmap_size;
 130   int must_swap;
 131   nls_uint32 nstrings;
 132   struct string_desc *orig_tab;
 133   struct string_desc *trans_tab;
 134   nls_uint32 hash_size;
 135   nls_uint32 *hash_tab;
 136   int codeset_cntr;
 137 #ifdef _LIBC
 138   __gconv_t conv;
 139 #else
 140 # if HAVE_ICONV
 141   iconv_t conv;
 142 # endif
 143 #endif
 144   char **conv_tab;
 145
 146   struct expression *plural;
 147   unsigned long int nplurals;
 148 };
 149
 150 /* We want to allocate a string at the end of the struct.  But ISO C
 151    doesn't allow zero sized arrays.
 152    GCC LOCAL: Always use 1, to avoid warnings.  */
 153 /*#ifdef __GNUC__*/
 154 /*# define ZERO 0*/
 155 /*#else*/
 156 # define ZERO 1
 157 /*#endif*/
 158
 159 /* A set of settings bound to a message domain.  Used to store settings
 160    from bindtextdomain() and bind_textdomain_codeset().  */
 161 struct binding
 162 {
 163   struct binding *next;
 164   char *dirname;
 165   int codeset_cntr;     /* Incremented each time codeset changes.  */
 166   char *codeset;
 167   char domainname[ZERO];
 168 };
 169
 170 /* A counter which is incremented each time some previous translations
 171    become invalid.
 172    This variable is part of the external ABI of the GNU libintl.  */
 173 extern int _nl_msg_cat_cntr;
 174
 175 struct loaded_l10nfile *_nl_find_domain PARAMS ((const char *__dirname,
 176                                                  char *__locale,
 177                                                  const char *__domainname,
 178                                               struct binding *__domainbinding))
 179      internal_function;
 180 void _nl_load_domain PARAMS ((struct loaded_l10nfile *__domain,
 181                               struct binding *__domainbinding))
 182      internal_function;
 183 void _nl_unload_domain PARAMS ((struct loaded_domain *__domain))
 184      internal_function;
 185 const char *_nl_init_domain_conv PARAMS ((struct loaded_l10nfile *__domain_file,
 186                                           struct loaded_domain *__domain,
 187                                           struct binding *__domainbinding))
 188      internal_function;
 189 void _nl_free_domain_conv PARAMS ((struct loaded_domain *__domain))
 190      internal_function;
 191
 192 char *_nl_find_msg PARAMS ((struct loaded_l10nfile *domain_file,
 193                             struct binding *domainbinding,
 194                             const char *msgid, size_t *lengthp))
 195      internal_function;
 196
 197 /* GCC LOCAL: This prototype moved here from next to its
 198    use in loadmsgcat.c.  */
 199 extern const char *locale_charset PARAMS ((void)) internal_function;
 200
 201 #ifdef _LIBC
 202 extern char *__gettext PARAMS ((const char *__msgid));
 203 extern char *__dgettext PARAMS ((const char *__domainname,
 204                                  const char *__msgid));
 205 extern char *__dcgettext PARAMS ((const char *__domainname,
 206                                   const char *__msgid, int __category));
 207 extern char *__ngettext PARAMS ((const char *__msgid1, const char *__msgid2,
 208                                  unsigned long int __n));
 209 extern char *__dngettext PARAMS ((const char *__domainname,
 210                                   const char *__msgid1, const char *__msgid2,
 211                                   unsigned long int n));
 212 extern char *__dcngettext PARAMS ((const char *__domainname,
 213                                    const char *__msgid1, const char *__msgid2,
 214                                    unsigned long int __n, int __category));
 215 extern char *__dcigettext PARAMS ((const char *__domainname,
 216                                    const char *__msgid1, const char *__msgid2,
 217                                    int __plural, unsigned long int __n,
 218                                    int __category));
 219 extern char *__textdomain PARAMS ((const char *__domainname));
 220 extern char *__bindtextdomain PARAMS ((const char *__domainname,
 221                                        const char *__dirname));
 222 extern char *__bind_textdomain_codeset PARAMS ((const char *__domainname,
 223                                                 const char *__codeset));
 224 #else
 225 extern char *gettext__ PARAMS ((const char *__msgid));
 226 extern char *dgettext__ PARAMS ((const char *__domainname,
 227                                  const char *__msgid));
 228 extern char *dcgettext__ PARAMS ((const char *__domainname,
 229                                   const char *__msgid, int __category));
 230 extern char *ngettext__ PARAMS ((const char *__msgid1, const char *__msgid2,
 231                                  unsigned long int __n));
 232 extern char *dngettext__ PARAMS ((const char *__domainname,
 233                                   const char *__msgid1, const char *__msgid2,
 234                                   unsigned long int __n));
 235 extern char *dcngettext__ PARAMS ((const char *__domainname,
 236                                    const char *__msgid1, const char *__msgid2,
 237                                    unsigned long int __n, int __category));
 238 extern char *dcigettext__ PARAMS ((const char *__domainname,
 239                                    const char *__msgid1, const char *__msgid2,
 240                                    int __plural, unsigned long int __n,
 241                                    int __category));
 242 extern char *textdomain__ PARAMS ((const char *__domainname));
 243 extern char *bindtextdomain__ PARAMS ((const char *__domainname,
 244                                        const char *__dirname));
 245 extern char *bind_textdomain_codeset__ PARAMS ((const char *__domainname,
 246                                                 const char *__codeset));
 247 #endif
 248
 249 #ifdef _LIBC
 250 extern void __gettext_free_exp PARAMS ((struct expression *exp))
 251      internal_function;
 252 extern int __gettextparse PARAMS ((void *arg));
 253 #else
 254 extern void gettext_free_exp__ PARAMS ((struct expression *exp))
 255      internal_function;
 256 extern int gettextparse__ PARAMS ((void *arg));
 257 #endif
 258
 259 /* @@ begin of epilog @@ */
 260
 261 #endif /* gettextP.h  */