diff options
Diffstat (limited to 'include/rtl/character.hxx')
| -rw-r--r-- | include/rtl/character.hxx | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/include/rtl/character.hxx b/include/rtl/character.hxx index 0ba86d6c065b..01350e19ee78 100644 --- a/include/rtl/character.hxx +++ b/include/rtl/character.hxx @@ -21,8 +21,10 @@ #define INCLUDED_RTL_CHARACTER_HXX #include "sal/config.h" - #include "sal/types.h" +#include "sal/log.hxx" + +#include <assert.h> namespace rtl { @@ -137,6 +139,29 @@ inline bool isAsciiHexDigit(sal_uInt32 nUtf32) return isAsciiCanonicHexDigit(nUtf32) || (nUtf32 >= 'a' && nUtf32 <= 'f'); } +/** Compare two US-ASCII characters. + + @param nChar1 A Unicode scalar value (represented as a UTF-32 code unit). + @param nChar2 A unicode scalar value (represented as a UTF-32 code unit). + + @return + 0 if both strings are equal + < 0 - if this string is less than the string argument + > 0 - if this string is greater than the string argument + + @since LibreOffice 4.2 + */ +inline sal_Int32 compareAsciiIgnoreCase(sal_uInt32 nChar1, sal_uInt32 nChar2) +{ + assert(isAscii(nChar1) && isAscii(nChar2)); + if ( isAsciiUpperCase(nChar1) ) + nChar1 += 32; + if ( isAsciiUpperCase(nChar2) ) + nChar2 += 32; + return nChar1 - nChar2; +} + + }//rtl namespace #endif |