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Merge branch 'master' of git://littledan.onigirihouse.com/git/littledan

db4
Slava Pestov 2008-02-02 00:13:15 -06:00
parent 68b3d8e1d9 c584e50c04
commit 10986f0c77
5 changed files with 37 additions and 30 deletions
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5
core/io/encodings/encodings.factor
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@ -1,7 +1,7 @@
! Copyright (C) 2006, 2007 Daniel Ehrenberg.
! See http://factorcode.org/license.txt for BSD license.
USING: math kernel sequences sbufs vectors
namespaces ;
namespaces unicode.syntax ;
IN: io.encodings
TUPLE: encode-error ;
@ -17,6 +17,9 @@ SYMBOL: begin
: decoded ( buf ch -- buf ch state )
over push 0 begin ;
: push-replacement ( buf -- buf ch state )
UNICHAR: replacement-character decoded ;
: finish-decoding ( buf ch state -- str )
begin eq? [ decode-error ] unless drop "" like ;

14
core/io/utf16/utf16-tests.factor
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@ -1,15 +1,15 @@
USING: tools.test io.utf16 ;
USING: tools.test io.utf16 arrays unicode.syntax ;
[ { CHAR: x } ] [ { 0 CHAR: x } decode-utf16be >array ] unit-test
[ { HEX: 1D11E } ] [ { HEX: D8 HEX: 34 HEX: DD HEX: 1E } decode-utf16be >array ] unit-test
[ { BIN: 11011111 CHAR: q } decode-utf16be >array ] unit-test-fails
[ { BIN: 11011011 CHAR: x BIN: 11011011 CHAR: x } decode-utf16be >array ] unit-test-fails
[ { UNICHAR: replacement-character } ] [ { BIN: 11011111 CHAR: q } decode-utf16be >array ] unit-test
[ { UNICHAR: replacement-character } ] [ { BIN: 11011011 CHAR: x BIN: 11011011 CHAR: x } decode-utf16be >array ] unit-test
[ B{ 0 120 216 52 221 30 } ] [ { CHAR: x HEX: 1d11e } encode-utf16be >array ] unit-test
[ B{ 0 120 216 52 221 30 } ] [ { CHAR: x HEX: 1d11e } encode-utf16be ] unit-test
[ { CHAR: x } ] [ { CHAR: x 0 } decode-utf16le >array ] unit-test
[ { 119070 } ] [ { HEX: 34 HEX: D8 HEX: 1E HEX: DD } decode-utf16le >array ] unit-test
[ { 0 BIN: 11011111 } decode-utf16le >array ] unit-test-fails
[ { 0 BIN: 11011011 0 0 } decode-utf16le >array ] unit-test-fails
[ { UNICHAR: replacement-character } ] [ { 0 BIN: 11011111 } decode-utf16le >array ] unit-test
[ { UNICHAR: replacement-character } ] [ { 0 BIN: 11011011 0 0 } decode-utf16le >array ] unit-test
[ B{ 120 0 52 216 30 221 } ] [ { CHAR: x HEX: 1d11e } encode-utf16le >array ] unit-test
[ B{ 120 0 52 216 30 221 } ] [ { CHAR: x HEX: 1d11e } encode-utf16le ] unit-test

18
core/io/utf16/utf16.factor
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@ -8,6 +8,9 @@ SYMBOL: double
SYMBOL: quad1
SYMBOL: quad2
SYMBOL: quad3
SYMBOL: ignore
: do-ignore ( -- ch state ) 0 ignore ;
: append-nums ( byte ch -- ch )
8 shift bitor ;
@ -19,21 +22,22 @@ SYMBOL: quad3
dup -3 shift BIN: 11011 number= [
dup BIN: 00000100 bitand zero?
[ BIN: 11 bitand quad1 ]
[ decode-error ] if
[ drop do-ignore ] if
] [ double ] if ;
: handle-quad2be ( byte ch -- ch )
: handle-quad2be ( byte ch -- ch state )
swap dup -2 shift BIN: 110111 number= [
>r 2 shift r> BIN: 11 bitand bitor
] [ decode-error ] if ;
>r 2 shift r> BIN: 11 bitand bitor quad3
] [ 2drop do-ignore ] if ;
: (decode-utf16be) ( buf byte ch state -- buf ch state )
{
{ begin [ drop begin-utf16be ] }
{ double [ end-multibyte ] }
{ quad1 [ append-nums quad2 ] }
{ quad2 [ handle-quad2be quad3 ] }
{ quad2 [ handle-quad2be ] }
{ quad3 [ append-nums HEX: 10000 + decoded ] }
{ ignore [ 2drop push-replacement ] }
} case ;
: decode-utf16be ( seq -- str )
@ -43,13 +47,13 @@ SYMBOL: quad3
swap dup -3 shift BIN: 11011 = [
dup BIN: 100 bitand 0 number=
[ BIN: 11 bitand 8 shift bitor quad2 ]
[ decode-error ] if
[ 2drop push-replacement ] if
] [ end-multibyte ] if ;
: handle-quad3le ( buf byte ch -- buf ch state )
swap dup -2 shift BIN: 110111 = [
BIN: 11 bitand append-nums HEX: 10000 + decoded
] [ decode-error ] if ;
] [ 2drop push-replacement ] if ;
: (decode-utf16le) ( buf byte ch state -- buf ch state )
{

12
core/io/utf8/utf8-tests.factor
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@ -1,16 +1,16 @@
USING: io.utf8 tools.test strings ;
USING: io.utf8 tools.test strings arrays unicode.syntax ;
[ { BIN: 11110101 BIN: 10111111 BIN: 10000000 BIN: 11111111 } decode-utf8 ] unit-test-fails
[ { UNICHAR: replacement-character } ] [ { BIN: 11110101 BIN: 10111111 BIN: 10000000 BIN: 11111111 } decode-utf8 >array ] unit-test
[ { BIN: 101111111000000111111 } ] [ { BIN: 11110101 BIN: 10111111 BIN: 10000000 BIN: 10111111 } decode-utf8 ] unit-test
[ { BIN: 101111111000000111111 } ] [ { BIN: 11110101 BIN: 10111111 BIN: 10000000 BIN: 10111111 } decode-utf8 >array ] unit-test
[ "x" ] [ "x" decode-utf8 >string ] unit-test
[ { BIN: 11111000000 } ] [ { BIN: 11011111 BIN: 10000000 } decode-utf8 ] unit-test
[ { BIN: 11111000000 } ] [ { BIN: 11011111 BIN: 10000000 } decode-utf8 >array ] unit-test
[ { BIN: 10000000 } decode-utf8 ] unit-test-fails
[ { UNICHAR: replacement-character } ] [ { BIN: 10000000 } decode-utf8 >array ] unit-test
[ { BIN: 1111000000111111 } ] [ { BIN: 11101111 BIN: 10000000 BIN: 10111111 } decode-utf8 ] unit-test
[ { BIN: 1111000000111111 } ] [ { BIN: 11101111 BIN: 10000000 BIN: 10111111 } decode-utf8 >array ] unit-test
[ B{ BIN: 11110101 BIN: 10111111 BIN: 10000000 BIN: 10111111 BIN: 11101111 BIN: 10000000 BIN: 10111111 BIN: 11011111 BIN: 10000000 CHAR: x } ]
[ { BIN: 101111111000000111111 BIN: 1111000000111111 BIN: 11111000000 CHAR: x } encode-utf8 ] unit-test

18
core/io/utf8/utf8.factor
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@ -14,10 +14,10 @@ SYMBOL: quad3
: starts-2? ( char -- ? )
-6 shift BIN: 10 number= ;
: append-nums ( bottom top -- num )
over starts-2?
[ 6 shift swap BIN: 111111 bitand bitor ]
[ decode-error ] if ;
: append-nums ( buf bottom top state-out -- buf num state )
>r over starts-2?
[ 6 shift swap BIN: 111111 bitand bitor r> ]
[ r> 3drop push-replacement ] if ;
: begin-utf8 ( buf byte -- buf ch state )
{
@ -25,20 +25,20 @@ SYMBOL: quad3
{ [ dup -5 shift BIN: 110 number= ] [ BIN: 11111 bitand double ] }
{ [ dup -4 shift BIN: 1110 number= ] [ BIN: 1111 bitand triple ] }
{ [ dup -3 shift BIN: 11110 number= ] [ BIN: 111 bitand quad ] }
{ [ t ] [ decode-error ] }
{ [ t ] [ drop push-replacement ] }
} cond ;
: end-multibyte ( buf byte ch -- buf ch state )
append-nums decoded ;
f append-nums [ decoded ] unless* ;
: (decode-utf8) ( buf byte ch state -- buf ch state )
{
{ begin [ drop begin-utf8 ] }
{ double [ end-multibyte ] }
{ triple [ append-nums triple2 ] }
{ triple [ triple2 append-nums ] }
{ triple2 [ end-multibyte ] }
{ quad [ append-nums quad2 ] }
{ quad2 [ append-nums quad3 ] }
{ quad [ quad2 append-nums ] }
{ quad2 [ quad3 append-nums ] }
{ quad3 [ end-multibyte ] }
} case ;