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FunctX XQuery Functions

functx:max-line-length

The maximum line length

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Description

The functx:max-line-length function counts the number of characters in each line, and returns the maximum. It uses carriage return and/or newline characters to determine the end of a line. It is useful for determining the amount of space a fixed-format string will take up on, for example, a web page.

Arguments and Return Type

NameTypeDescription
$arg xs:string? the string to test
return value xs:integer

XQuery Function Declaration

See XSLT definition.
declare namespace functx = "http://www.functx.com";
declare function functx:max-line-length
  ( $arg as xs:string? )  as xs:integer {

   max(
     for $line in functx:lines($arg)
     return string-length($line))
 } ;

Examples

let $lines :=
'a
value
on several
lines'
return
XQuery ExampleResults
functx:max-line-length('a value')
7
functx:max-line-length($lines)
10

Depends On

functx:linesSplit a string into separate lines

See Also

functx:line-countThe number of lines

History

Published OnLast UpdatedContributor(s)
2006-07-092007-02-26Priscilla Walmsley, Datypic, pwalmsley@datypic.com, http://www.datypic.com
Datypic XQuery Services

Recommended Reading:

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