| 1 | // |
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| 2 | // TxWin, Textmode Windowing Library |
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| 3 | // |
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| 4 | // Original code Copyright (c) 1995-2005 Fsys Software and Jan van Wijk |
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| 5 | // |
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| 6 | // ========================================================================== |
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| 7 | // |
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| 8 | // This file contains Original Code and/or Modifications of Original Code as |
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| 9 | // defined in and that are subject to the GNU Lesser General Public License. |
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| 10 | // You may not use this file except in compliance with the License. |
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| 11 | // BY USING THIS FILE YOU AGREE TO ALL TERMS AND CONDITIONS OF THE LICENSE. |
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| 12 | // A copy of the License is provided with the Original Code and Modifications, |
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| 13 | // and is also available at http://www.dfsee.com/txwin/lgpl.htm |
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| 14 | // |
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| 15 | // This library is free software; you can redistribute it and/or modify |
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| 16 | // it under the terms of the GNU Lesser General Public License as published |
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| 17 | // by the Free Software Foundation; either version 2.1 of the License, |
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| 18 | // or (at your option) any later version. |
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| 19 | // |
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| 20 | // This library is distributed in the hope that it will be useful, |
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| 21 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 22 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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| 23 | // See the GNU Lesser General Public License for more details. |
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| 24 | // |
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| 25 | // You should have received a copy of the GNU Lesser General Public License |
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| 26 | // along with this library; (lgpl.htm) if not, write to the Free Software |
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| 27 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 28 | // |
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| 29 | // Questions on TxWin licensing can be directed to: txwin@fsys.nl |
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| 30 | // |
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| 31 | // ========================================================================== |
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| 32 | // |
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| 33 | // TxLib Unicode string handling |
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| 34 | // |
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| 35 | |
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| 36 | #include <txlib.h> // TxLib interface |
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| 37 | |
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| 38 | /*****************************************************************************/ |
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| 39 | // Append translated Unicode string-fragment to an ASCII string |
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| 40 | /*****************************************************************************/ |
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| 41 | char *TxUnicAppend // RET ptr to ASCII string |
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| 42 | ( |
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| 43 | USHORT *uni, // IN Unicode string part |
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| 44 | char *asc, // INOUT ASCII string |
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| 45 | USHORT len // IN maximum Unicode length |
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| 46 | ) |
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| 47 | { |
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| 48 | char *pos = asc + strlen( asc); // append position |
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| 49 | USHORT i; |
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| 50 | |
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| 51 | for (i = 0; i < len && uni[i] != 0; i++) // until len or zero-unicode |
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| 52 | { |
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| 53 | if (uni[i] > 0xff) |
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| 54 | { |
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| 55 | if (uni[i] != 0xffff) |
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| 56 | { |
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| 57 | *pos++ = '*'; // to be refined |
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| 58 | } |
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| 59 | } |
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| 60 | else |
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| 61 | { |
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| 62 | *pos++ = (char) (uni[i] & 0xff); |
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| 63 | } |
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| 64 | } |
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| 65 | *pos = '\0'; // terminate the string |
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| 66 | return (asc); |
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| 67 | } /* end TxUnicAppend */ |
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| 68 | /*---------------------------------------------------------------------------*/ |
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| 69 | |
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| 70 | |
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| 71 | /*****************************************************************************/ |
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| 72 | // Perform a Unicode to ASCII case-sensitive stringcompare (aka strncmp) |
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| 73 | /*****************************************************************************/ |
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| 74 | int TxUnicStrncmp // RET compare result |
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| 75 | ( |
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| 76 | char *uni, // IN Unicode string |
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| 77 | char *asc, // IN ASCII string |
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| 78 | size_t len // IN max ASCII comp-length |
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| 79 | ) |
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| 80 | { |
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| 81 | size_t i; |
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| 82 | int rc = 0; |
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| 83 | |
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| 84 | for ( i = 0; (rc == 0) && (i < len) && *asc; i++, asc++, uni += 2) |
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| 85 | { |
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| 86 | rc = *uni - *asc; |
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| 87 | } |
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| 88 | return (rc); |
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| 89 | } /* end TxUnicStrncmp */ |
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| 90 | /*---------------------------------------------------------------------------*/ |
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| 91 | |
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| 92 | |
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| 93 | /*****************************************************************************/ |
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| 94 | // Perform a Unicode to ASCII case-insensitive stringcompare (aka strnicmp) |
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| 95 | /*****************************************************************************/ |
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| 96 | int TxUnicStrnicmp // RET compare result |
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| 97 | ( |
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| 98 | char *uni, // IN Unicode string |
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| 99 | char *asc, // IN ASCII string |
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| 100 | size_t len // IN max ASCII comp-length |
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| 101 | ) |
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| 102 | { |
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| 103 | size_t i; |
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| 104 | int rc = 0; |
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| 105 | |
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| 106 | for ( i = 0; (rc == 0) && (i < len) && *asc; i++, asc++, uni += 2) |
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| 107 | { |
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| 108 | rc = ((*uni) & 0xdf) - ((*asc) & 0xdf); |
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| 109 | } |
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| 110 | return (rc); |
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| 111 | } /* end TxUnicStrnicmp */ |
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| 112 | /*---------------------------------------------------------------------------*/ |
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