Re: ICU4J proposal to add hasMoreCodePointThan APIs to com.ibm.icu.text.UTF16

[Mark D. <mar...@jt...>]

It should be hasMoreCodePointsThan (plural code points)

Mark
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----- Original Message -----
From: "syn wee" <syn...@jt...>
To: <ic...@os...>; <icu...@os...>
Sent: Thursday, October 24, 2002 17:10
Subject: ICU4J proposal to add hasMoreCodePointThan APIs to
com.ibm.icu.text.UTF16


> ICU4J proposal to add hasMoreCodePointThan APIs to com.ibm.icu.text.UTF16.
> Please respond with comments by Nov 7th 2002.
>
> 3 APIs will be added to the class UTF16
>
> public static boolean hasMoreCodePointThan(java.lang.String source,
>                                            int number)
> public static boolean hasMoreCodePointThan(java.lang.StringBuffer source,
>                                            int number)
> public static boolean hasMoreCodePointThan(char[] source,
>                                            int start,
>                                            int limit,
>                                            int number)
>
> All 3 APIs check if the source argument contains more Unicode code points
> than a certain number. This is more efficient than counting all code
points
> in the entire source argument and comparing that number with a threshold.
> This function may not need to scan the source at all, if the length for
> String and StringBuffer argument, or the argument start and limit for
char[]
> arguments, is within a certain range. These APIs never needs to count more
> than 'number + 1' code points. Logically equivalent to
> (countCodePoint(source, start, limit) > number). A Unicode code point may
> occupy either one or two code units.
>
> Parameters description:
> source - UTF-16 chars source, either a String, StringBuffer or a char[]
> start - offset to substring in the source array for analyzing (only if
> source is  a char[])
> limit - offset to substring in the source array for analyzing (only if
> source is  a char[])
> number - The number of code points in the string is compared against the
> 'number'
>                  parameter.
> Returns:
> boolean value for whether the source contains more Unicode code points
than
> 'number'
>
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