1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25 
  26 
  27 /*
  28  *      i18n.cc
  29  *
  30  *      Deal with internationalization conversions
  31  */
  32 
  33 /*
  34  * Included files
  35  */
  36 #include <mksh/i18n.h>
  37 #include <mksh/misc.h>            /* setup_char_semantics() */
  38 #if defined (linux)
  39 #       include <wctype.h>
  40 #       include <wchar.h>
  41 #       define wschr(x,y) wcschr(x,y)
  42 #endif
  43 
  44 /*
  45  *      get_char_semantics_value(ch)
  46  *
  47  *      Return value:
  48  *              The character semantics of ch.
  49  *
  50  *      Parameters:
  51  *              ch              character we want semantics for.
  52  *
  53  */
  54 char
  55 get_char_semantics_value(wchar_t ch)
  56 {
  57         static Boolean  char_semantics_setup;
  58 
  59         if (!char_semantics_setup) {
  60                 setup_char_semantics();
  61                 char_semantics_setup = true;
  62         }
  63         return char_semantics[get_char_semantics_entry(ch)];
  64 }
  65 
  66 /*
  67  *      get_char_semantics_entry(ch)
  68  *
  69  *      Return value:
  70  *              The slot number in the array for special make chars,
  71  *              else the slot number of the last array entry.
  72  *
  73  *      Parameters:
  74  *              ch              The wide character
  75  *
  76  *      Global variables used:
  77  *              char_semantics_char[]   array of special wchar_t chars
  78  *                                      "&*@`\\|[]:$=!>-\n#()%?;^<'\""
  79  */
  80 int
  81 get_char_semantics_entry(wchar_t ch)
  82 {
  83         wchar_t         *char_sem_char;
  84 
  85         char_sem_char = (wchar_t *) wschr(char_semantics_char, ch);
  86         if (char_sem_char == NULL) {
  87                 /*
  88                  * Return the integer entry for the last slot,
  89                  * whose content is empty.
  90                  */
  91                 return (CHAR_SEMANTICS_ENTRIES - 1);
  92         } else {
  93                 return (char_sem_char - char_semantics_char);
  94         }
  95 }
  96