chr - Char Data Type
Module Description
The chr module implements words for checking ranges of characters and for converting characters.
Module Words
ASCII constants
chr.nul
( -- char )
the null character
chr.soh
( -- char )
the soh character
chr.stx
( -- char )
the stx character
chr.etx
( -- char )
the etx character
chr.eot
( -- char )
the eot character
chr.enq
( -- char )
the enq character
chr.ack
( -- char )
the ack character
chr.bel
( -- char )
the bel character
chr.bs
( -- char )
the backspace character
chr.ht
( -- char )
the horz. tab character
chr.lf
( -- char )
the line feed character
chr.vt
( -- char )
the vert. tab character
chr.ff
( -- char )
the formfeed character
chr.cr
( -- char )
the carriage return character
chr.sm
( -- char )
the sm character
chr.si
( -- char )
the si character
chr.dle
( -- char )
the dle character
chr.dc1
( -- char )
the dc1 character
chr.dc2
( -- char )
the dc2 character
chr.dc3
( -- char )
the dc3 character
chr.dc4
( -- char )
the dc4 character
chr.nak
( -- char )
the nak character
chr.syn
( -- char )
the syn character
chr.etb
( -- char )
the etc character
chr.can
( -- char )
the cancel character
chr.em
( -- char )
the em character
chr.sub
( -- char )
the sub character
chr.esc
( -- char )
the escape character
chr.fs
( -- char )
the fs character
chr.gs
( -- char )
the gs character
chr.rs
( -- char )
the rs character
chr.us
( -- char )
the us character
chr.sp
( -- char )
the space character
chr.del
( -- char )
the delete character
Character class checking words
chr-range?
( char1 char2 char3 -- flag )
Check if char1 is in the range [char2..char3]
chr-lower?
( char -- flag )
Check for a lowercase alphabetic character
chr-upper?
( char -- flag )
Check for an uppercase alphabetic character
chr-alpha?
( char -- flag )
Check for an alphabetic character
chr-digit?
( char -- flag )
Check for a decimal digit character
chr-alnum?
( char -- flag )
Check for an alphanumeric character
chr-ascii?
( char -- flag )
Check for an ascii character
chr-blank?
( char -- flag )
Check for a blank character, space or tab
chr-cntrl?
( char -- flag )
Check for a control character, 0 till 31
chr-graph?
( char -- flag )
Check for a printable character except space
chr-print?
( char -- flag )
Check for a printable character including space
chr-punct?
( char -- flag )
Check for a printable character, but not a space or alphanumeric character
chr-space?
( char -- flag )
Check for a white-space: space, lf, vt, ff, cr
chr-hexdigit?
( char -- flag )
Check for a hexadecimal character
chr-octdigit?
( char -- flag )
Check for an octal character
chr-string?
( c-addr u char -- flag )
Check if the character is in the string
Character conversion words
chr-upper
( char1 -- char2 )
Convert char1 to uppercase
chr-lower
( char1 -- char2 )
Convert char1 to lowercase
chr-base
( char -- false | u true )
Convert the character to a digit according the current base
generated 10-Apr-2008 by
ofcfrth-0.5.0