immutable class CHAR_CODE < $ORDERED{CHAR_CODE}, $BINARY, $TEXT, $HASH
****

________This_class_provides_an_implementation_version_of_individual_character
___codes_as_they_may_appear_in_mapping_conversions,_etc.__This_class_is_for
___an_individual_code_and_should_not_be_confused_with_a_'code_sequence'_which
___may_be_needed_to_form_a_complete_character.


Ancestors
$HASH $IS_EQ $TEXT $STR
$BINARY $ORDERED{_} $IS_LT{_} $VALUE{_}
$NIL $IS_NIL



Public


Constants
const asize : CARD := 4 ;

Features
aget( .. Included as aget
aset( .. Included as aset
binstr : BINSTR
****
build(cursor : BIN_CURSOR) : SAME
build( .. Included as build
build_based( .. Included as build_based
card : CARD
****
char : CHAR
****
create( .. Included as create
create(str : BINSTR,lib : LIBCHARS) : SAME
create( val : CARD,lib : LIBCHARS) : SAME
create(ch : CHAR,lib : LIBCHARS) : SAME
create( .. Included as create
decimal_str( .. Included as decimal_str
decimal_str( .. Included as decimal_str
decimal_str( .. Included as decimal_str
decimal_str : STR .. Included as decimal_str
fmt( .. Included as fmt
fmt( .. Included as fmt
hash : CARD
hex_str( .. Included as hex_str
hex_str( .. Included as hex_str
hex_str( .. Included as hex_str
hex_str : STR .. Included as hex_str
invalid : SAME
**** This routine returns a code value which is greater than the maximumvalue (0x7FFFFFFF) to indicate some erroneous behaviour.
is_combining : BOOL
**** This predicate returns true if and only if self is a combining
___encoding_in_the_Unicode_domain.
is_eq(other : SAME) : BOOL
**** This predicate returns true if and only if self and other are the
___same,_otherwise_false.
is_eq(other : $OB) : BOOL .. Included as is_eq
**** This is the generic equality predicate. c.f. the class $IS_EQ
is_hex( .. Included as is_hex
is_lt(other : SAME) : BOOL
is_nil : BOOL
**** This routine returns true if and only if the value of self is the
___nil_value,_otherwise_false.
is_octal( .. Included as is_octal
is_valid(val : CARD,lib : LIBCHARS) : BOOL
**** This predicate is used to test if val will fit into the
___number_of_bits_available_for_codes_using_lib.___It_returns_true_if_and
___only_if_the_value_will_fit.
is_whole( .. Included as is_whole
lib : LIBCHARS
**** This routine returns the actual repertoire and encoding used by
___this_class_object.
next : SAME
**** This successor routine is provided to enable simple sequential code
___operations_to_be_carried_out.__Note_that_the_successor_of_the_bit-pattern
___with_all_bits_set_is_that_with_no_bits_set_as_the_semantics_attributed_are
___those_of_the_closed_field_class_FIELD.
nil : SAME
**** This routine returns the nil value - which is an illegal code value.
null : SAME
**** This routine returns a null code as a means of initialising an object.
oct_str( .. Included as oct_str
oct_str : STR .. Included as oct_str
offset( cnt : INT) : SAME
raw_binstr : BINSTR
****
raw_build(cursor : BIN_CURSOR,lib : LIBCHARS) : SAME
read( .. Included as read
rune : RUNE
str( .. Included as str
str : STR .. Included as str
valid_number(lib : LIBCHARS) : BOOL
**** This predicate is used to test if self CHAR_CODE will fit into the
___number_of_bits_available_for_codes_using_lib.
It returns true if and only if the value will fit.
write( .. Included as write

Iters
aelt!( .. Included as aelt!
aelt!( .. Included as aelt!
aelt!( .. Included as aelt!
aelt! : T .. Included as aelt!
aind! : CARD .. Included as aind!
octet!(once cnt : CARD) : OCTET
**** This iter yields cnt successive octets of self finishing at the least significant octet!
octet!: OCTET
**** This iter yields successive octets of self starting at the most significant octet!


Private

const Decimal_Base : CARD := 10 ; .. Included as Decimal_Base
const Default_Base : CARD := Decimal_Base ; .. Included as Default_Base
const Hexadecimal_Base : CARD := 16 ; .. Included as Hexadecimal_Base
const Octal_Base : CARD := 8 ; .. Included as Octal_Base
in_size(offset : CARD) : BOOL
**** This predicate calculates if the result of offsetting code by the
___given_POSITIVE_value_will_still_be_within_the_code_range_-_or_not!
is_kind( .. Included as is_kind
is_legal_aelts_arg( .. Included as is_legal_aelts_arg
priv_create(val : CARD,lib : LIBCHARS) : SAME
**** This private routine creates a new character code which has the
___value_given.____This_private_version_permits_the_creation_of_the
___'Invalid'_value!__Note_that_the_required_conversion_order_is_the_REVERSE
___of_binstr_(MSB_first)_order.
attr priv_lib : CARD ;
**** This is the index into the shared lib_list.
attr priv_lib : CARD ;
**** This is the index into the shared lib_list.
scan( .. Included as scan
zero_filled( .. Included as zero_filled

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