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ascii: adding title case.

db4
John Benediktsson 2012-04-05 13:56:20 -07:00
parent 214195e56a
commit d97c4f35a9
3 changed files with 19 additions and 3 deletions
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9
basis/ascii/ascii-docs.factor
View File

@ -57,6 +57,14 @@ HELP: >upper
{ $values { "str" "a string" } { "upper" "a string" } }
{ $description "Converts an ASCII string to upper case." } ;
HELP: >title
{ $values { "string" "a string" } { "title" "a string" } }
{ $description "Converts a string to title case." } ;
HELP: >words
{ $values { "str" "a string" } { "words" "an array of strings" } }
{ $description "Divides the string up into words." } ;
ARTICLE: "ascii" "ASCII"
"The " { $vocab-link "ascii" } " vocabulary implements support for the legacy ASCII character set. Most applications should use " { $link "unicode" } " instead."
$nl
@ -77,6 +85,7 @@ $nl
ch>upper
>lower
>upper
>title
} ;
ABOUT: "ascii"

5
basis/ascii/ascii-tests.factor
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@ -1,4 +1,5 @@
USING: ascii tools.test sequences kernel math ;
USING: ascii tools.test sequences kernel math strings ;
IN: ascii.tests
[ t ] [ CHAR: a letter? ] unit-test
@ -17,3 +18,5 @@ IN: ascii.tests
[ "HELLO HOW ARE YOU?" ] [ "hellO hOw arE YOU?" >upper ] unit-test
[ "i'm good thx bai" ] [ "I'm Good THX bai" >lower ] unit-test
[ "Hello How Are You?" ] [ "hEllo how ARE yOU?" >title ] unit-test
[ { " " "Hello" " " "World" } ] [ " Hello World" >words [ >string ] map ] unit-test

8
basis/ascii/ascii.factor
View File

@ -1,7 +1,7 @@
! Copyright (C) 2005, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel math math.order sequences strings
combinators.short-circuit hints ;
USING: combinators.short-circuit hints kernel math math.order
sequences splitting.monotonic strings ;
IN: ascii
: ascii? ( ch -- ? ) 0 127 between? ; inline
@ -18,6 +18,10 @@ IN: ascii
: >lower ( str -- lower ) [ ch>lower ] map ;
: ch>upper ( ch -- upper ) dup letter? [ 0x20 - ] when ; inline
: >upper ( str -- upper ) [ ch>upper ] map ;
: >words ( str -- words ) [ [ blank? ] bi@ = ] slice monotonic-slice ;
: capitalize ( str -- title ) unclip [ >lower ] [ ch>upper ] bi* prefix ;
: >title ( str -- title ) >words [ capitalize ] map concat ;
HINTS: >lower string ;
HINTS: >upper string ;