wrap-lines ( string width -- newlines ) - Factor Documentation

wrap-lines ( string width -- newlines )
String word wrapping

Next: wrap-string ( string width -- newstring )

Vocabulary
wrap .strings

Inputs

string a string

width an integer

Outputs

newlines sequence of strings

Word description
Given a string, divides it into a sequence of lines where each line has no more than width characters, unless there is a word longer than width. Linear whitespace between words is converted to a single space.

Definition

USING: kernel sequences wrap wrap.strings.private ;

IN: wrap.strings

: wrap-lines ( string width -- newlines )
[ wrap-split-lines ] keep [ wrap join-elements ] curry map!
concat ;