LCOV - code coverage report
Current view: top level - include/rtl - character.hxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 15 23 65.2 %
Date: 2014-04-14 Functions: 7 11 63.6 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_RTL_CHARACTER_HXX
      21             : #define INCLUDED_RTL_CHARACTER_HXX
      22             : 
      23             : #include <sal/config.h>
      24             : 
      25             : #include <cassert>
      26             : 
      27             : #include <sal/types.h>
      28             : 
      29             : namespace rtl
      30             : {
      31             : 
      32             : /** Check for ASCII character.
      33             : 
      34             :     @param code  A Unicode code point.
      35             : 
      36             :     @return  True if code is an ASCII character (0x00--0x7F).
      37             : 
      38             :     @since LibreOffice 4.1
      39             :  */
      40           0 : inline bool isAscii(sal_uInt32 code)
      41             : {
      42             :     assert(code <= 0x10FFFF);
      43           0 :     return code <= 0x7F;
      44             : }
      45             : 
      46             : /** Check for ASCII lower case character.
      47             : 
      48             :     @param code  A Unicode code point.
      49             : 
      50             :     @return  True if code is an ASCII lower case alphabetic character (ASCII
      51             :     'a'--'z').
      52             : 
      53             :     @since LibreOffice 4.1
      54             :  */
      55      173966 : inline bool isAsciiLowerCase(sal_uInt32 code)
      56             : {
      57             :     assert(code <= 0x10FFFF);
      58      173966 :     return code >= 'a' && code <= 'z';
      59             : }
      60             : 
      61             : /** Check for ASCII upper case character.
      62             : 
      63             :     @param code  A Unicode code point.
      64             : 
      65             :     @return  True if code is an ASCII upper case alphabetic character (ASCII
      66             :     'A'--'Z').
      67             : 
      68             :     @since LibreOffice 4.1
      69             :  */
      70    36211528 : inline bool isAsciiUpperCase(sal_uInt32 code)
      71             : {
      72             :     assert(code <= 0x10FFFF);
      73    36211528 :     return code >= 'A' && code <= 'Z';
      74             : }
      75             : 
      76             : /** Check for ASCII alphabetic character.
      77             : 
      78             :     @param code  A Unicode code point.
      79             : 
      80             :     @return  True if code is an ASCII alphabetic character (ASCII 'A'--'Z' or
      81             :     'a'--'z').
      82             : 
      83             :     @since LibreOffice 4.1
      84             :  */
      85      173950 : inline bool isAsciiAlpha(sal_uInt32 code)
      86             : {
      87             :     assert(code <= 0x10FFFF);
      88      173950 :     return isAsciiLowerCase(code) || isAsciiUpperCase(code);
      89             : }
      90             : 
      91             : /** Check for ASCII digit character.
      92             : 
      93             :     @param code  A Unicode code point.
      94             : 
      95             :     @return  True if code is an ASCII (decimal) digit character (ASCII
      96             :     '0'--'9').
      97             : 
      98             :     @since LibreOffice 4.1
      99             :  */
     100      131441 : inline bool isAsciiDigit(sal_uInt32 code)
     101             : {
     102             :     assert(code <= 0x10FFFF);
     103      131441 :     return code >= '0' && code <= '9';
     104             : }
     105             : 
     106             : /** Check for ASCII alphanumeric character.
     107             : 
     108             :     @param code  A Unicode code point.
     109             : 
     110             :     @return  True if code is an ASCII alphanumeric character (ASCII '0'--'9',
     111             :     'A'--'Z', or 'a'--'z').
     112             : 
     113             :     @since LibreOffice 4.1
     114             :  */
     115      131233 : inline bool isAsciiAlphanumeric(sal_uInt32 code)
     116             : {
     117             :     assert(code <= 0x10FFFF);
     118      131233 :     return isAsciiDigit(code) || isAsciiAlpha(code);
     119             : }
     120             : 
     121             : /** Check for ASCII canonic hexadecimal digit character.
     122             : 
     123             :     @param code  A Unicode code point.
     124             : 
     125             :     @return  True if code is an ASCII canonic (i.e., upper case) hexadecimal
     126             :     digit character (ASCII '0'--'9' or 'A'--'F').
     127             : 
     128             :     @since LibreOffice 4.1
     129             :  */
     130           0 : inline bool isAsciiCanonicHexDigit(sal_uInt32 code)
     131             : {
     132             :     assert(code <= 0x10FFFF);
     133           0 :     return isAsciiDigit(code) || (code >= 'A' && code <= 'F');
     134             : }
     135             : 
     136             : /** Check for ASCII hexadecimal digit character.
     137             : 
     138             :     @param code  A Unicode code point.
     139             : 
     140             :     @return  True if code is an ASCII hexadecimal digit character (ASCII
     141             :     '0'--'9', 'A'--'F', or 'a'--'f').
     142             : 
     143             :     @since LibreOffice 4.1
     144             :  */
     145           0 : inline bool isAsciiHexDigit(sal_uInt32 code)
     146             : {
     147             :     assert(code <= 0x10FFFF);
     148           0 :     return isAsciiCanonicHexDigit(code) || (code >= 'a' && code <= 'f');
     149             : }
     150             : 
     151             : /** Convert a character, if ASCII, to upper case.
     152             : 
     153             :     @param code  A Unicode code point.
     154             : 
     155             :     @return  code converted to ASCII upper case.
     156             : 
     157             :     @since LibreOffice 4.2
     158             : */
     159           0 : inline sal_uInt32 toAsciiUpperCase(sal_uInt32 code)
     160             : {
     161             :     assert(code <= 0x10FFFF);
     162           0 :     return isAsciiLowerCase(code) ? code - 32 : code;
     163             : }
     164             : 
     165             : /** Convert a character, if ASCII, to lower case.
     166             : 
     167             :     @param code  A Unicode code point.
     168             : 
     169             :     @return  code converted to ASCII lower case.
     170             : 
     171             :     @since LibreOffice 4.2
     172             : */
     173    36210908 : inline sal_uInt32 toAsciiLowerCase(sal_uInt32 code)
     174             : {
     175             :     assert(code <= 0x10FFFF);
     176    36210908 :     return isAsciiUpperCase(code) ? code + 32 : code;
     177             : }
     178             : 
     179             : /** Compare two characters ignoring ASCII case.
     180             : 
     181             :     @param code1  A Unicode code point.
     182             : 
     183             :     @param code2  A unicode code point.
     184             : 
     185             :     @return  0 if both code points are equal,
     186             :              < 0 if code1 is less than code2,
     187             :              > 0 if code1 is greater than code2.
     188             : 
     189             :     @since LibreOffice 4.2
     190             :  */
     191     1108831 : inline sal_Int32 compareIgnoreAsciiCase(sal_uInt32 code1, sal_uInt32 code2)
     192             : {
     193             :     assert(code1 <= 0x10FFFF);
     194             :     assert(code2 <= 0x10FFFF);
     195     1108831 :     return static_cast<sal_Int32>(toAsciiLowerCase(code1))
     196     1108831 :         - static_cast<sal_Int32>(toAsciiLowerCase(code2));
     197             : }
     198             : 
     199             : }
     200             : 
     201             : #endif
     202             : 
     203             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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