Listing 10.14 An XSLT Example Using the XPath Function fn:string-to-codepoints ( ch10_14. You can see an example in ch10_14.xsl in Listing 10.14, where we're converting the string "ABC" to a sequence of code points, and displaying that sequence by using the separator attribute in the element. Here's how you use this function: fn:string-to-codepoints( $srcval as xs:string) as xs:integer* A character may be represented by multiple code points, each code point consisting of one or two code units. In the new version of java 9, the String class is added with the. Strings are mainly used to represent text. This function lets you create a sequence of Unicode code points from a string. In this String API Series, Youll learn how to convert String to IntStream with codepoints. Listing 10.13 An XSLT Example Using the XPath Function fn:codepoints-to-string ( ch10_13.xsl ) Īnd here is the result: ABC The fn:string-to-codepoints Function Here's how you use this function: fn:codepoints-to-string( $srcval as xs:integer*) as xs:stringįor example, to convert the Unicode code point sequence (65, 66, 67) into the corresponding string, "ABC", we can use this function as you see in ch10_13.xsl (Listing 10.13). Because String objects are immutable they can be shared. Strings are constant their values cannot be changed after they are created. All string literals in Java programs, such as 'abc', are implemented as instances of this class. You pass this function a sequence of Unicode code points, and it converts them to a string. The String class represents character strings. These functions are fn: codepoints -to-string and fn:string-to-codepoints. Any surrogate pairs encountered in the sequence are combined. There are two functions in XPath 2.0 designed to work with Unicode code points, which refers to Unicode equivalent of characters. The Java String class codePoints() method returns a stream of code point values from this sequence.
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