64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
/*
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**********************************************************************
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* Copyright (c) 2001, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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* Date Name Description
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* 11/19/2001 aliu Creation.
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**********************************************************************
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*/
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#ifndef ICU_UTIL_H
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#define ICU_UTIL_H
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#include "unicode/utypes.h"
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#include "unicode/unistr.h"
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//--------------------------------------------------------------------
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// class Utility
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// i18n utility functions, scoped into the class Utility.
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//--------------------------------------------------------------------
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U_NAMESPACE_BEGIN
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class Utility {
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public:
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/**
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* Append a number to the given UnicodeString in the given radix.
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* Standard digits '0'-'9' are used and letters 'A'-'Z' for
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* radices 11 through 36.
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* @param result the digits of the number are appended here
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* @param n the number to be converted to digits; may be negative.
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* If negative, a '-' is prepended to the digits.
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* @param radix a radix from 2 to 36 inclusive.
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* @param minDigits the minimum number of digits, not including
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* any '-', to produce. Values less than 2 have no effect. One
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* digit is always emitted regardless of this parameter.
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* @return a reference to result
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*/
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static UnicodeString& appendNumber(UnicodeString& result, int32_t n,
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int32_t radix = 10,
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int32_t minDigits = 1);
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/**
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* Return true if the character is NOT printable ASCII.
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*
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* This method should really be in UnicodeString (or similar). For
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* now, we implement it here and share it with friend classes.
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*/
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static UBool isUnprintable(UChar32 c);
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/**
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* Escape unprintable characters using \uxxxx notation for U+0000 to
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* U+FFFF and \Uxxxxxxxx for U+10000 and above. If the character is
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* printable ASCII, then do nothing and return FALSE. Otherwise,
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* append the escaped notation and return TRUE.
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*/
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static UBool escapeUnprintable(UnicodeString& result, UChar32 c);
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};
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U_NAMESPACE_END
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#endif
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//eof
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