usr/src/cmd/make/lib/mksh/i18n.cc

   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
  39 /*
  40  *      get_char_semantics_value(ch)
  41  *
  42  *      Return value:
  43  *              The character semantics of ch.
  44  *
  45  *      Parameters:
  46  *              ch              character we want semantics for.
  47  *
  48  */
  49 char
  50 get_char_semantics_value(wchar_t ch)
  51 {
  52         static Boolean  char_semantics_setup;
  53
  54         if (!char_semantics_setup) {
  55                 setup_char_semantics();
  56                 char_semantics_setup = true;
  57         }
  58         return char_semantics[get_char_semantics_entry(ch)];
  59 }
  60
  61 /*
  62  *      get_char_semantics_entry(ch)
  63  *
  64  *      Return value:
  65  *              The slot number in the array for special make chars,
  66  *              else the slot number of the last array entry.
  67  *
  68  *      Parameters:
  69  *              ch              The wide character
  70  *
  71  *      Global variables used:
  72  *              char_semantics_char[]   array of special wchar_t chars
  73  *                                      "&*@`\\|[]:$=!>-\n#()%?;^<'\""
  74  */
  75 int
  76 get_char_semantics_entry(wchar_t ch)
  77 {
  78         wchar_t         *char_sem_char;
  79
  80         char_sem_char = (wchar_t *) wcschr(char_semantics_char, ch);
  81         if (char_sem_char == NULL) {
  82                 /*
  83                  * Return the integer entry for the last slot,
  84                  * whose content is empty.
  85                  */
  86                 return (CHAR_SEMANTICS_ENTRIES - 1);
  87         } else {
  88                 return (char_sem_char - char_semantics_char);
  89         }
  90 }
  91