Merge branch 'master' of git://factorcode.org/git/factor

db4
Slava Pestov 2009-03-04 21:36:34 -06:00
commit 71f729499d
57 changed files with 56245 additions and 245 deletions

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@ -1,5 +1,5 @@
USING: images.bitmap images.viewer io.encodings.binary
io.files io.files.unique kernel tools.test ;
io.files io.files.unique kernel tools.test images.loader ;
IN: images.bitmap.tests
: test-bitmap24 ( -- path )
@ -17,7 +17,7 @@ IN: images.bitmap.tests
[ t ]
[
test-bitmap24
[ binary file-contents ] [ load-bitmap ] bi
[ binary file-contents ] [ load-image ] bi
"test-bitmap24" unique-file
[ save-bitmap ] [ binary file-contents ] bi =

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@ -6,15 +6,20 @@ kernel macros math math.bitwise math.functions namespaces sequences
strings images endian summary ;
IN: images.bitmap
TUPLE: bitmap-image < image ;
TUPLE: bitmap-image < image
magic size reserved offset header-length width
height planes bit-count compression size-image
x-pels y-pels color-used color-important rgb-quads color-index ;
! Currently can only handle 24/32bit bitmaps.
! Handles row-reversed bitmaps (their height is negative)
TUPLE: bitmap magic size reserved offset header-length width
height planes bit-count compression size-image
x-pels y-pels color-used color-important rgb-quads color-index
buffer ;
ERROR: bitmap-magic magic ;
M: bitmap-magic summary
drop "First two bytes of bitmap stream must be 'BM'" ;
<PRIVATE
: array-copy ( bitmap array -- bitmap array' )
over size-image>> abs memory>byte-array ;
@ -37,16 +42,11 @@ ERROR: bmp-not-supported n ;
{ 1 [ bmp-not-supported ] }
} case >byte-array ;
ERROR: bitmap-magic ;
M: bitmap-magic summary
drop "First two bytes of bitmap stream must be 'BM'" ;
: read2 ( -- n ) 2 read le> ;
: read4 ( -- n ) 4 read le> ;
: parse-file-header ( bitmap -- bitmap )
2 read >string dup "BM" = [ bitmap-magic ] unless >>magic
2 read dup "BM" sequence= [ bitmap-magic ] unless >>magic
read4 >>size
read4 >>reserved
read4 >>offset ;
@ -79,17 +79,13 @@ M: bitmap-magic summary
dup rgb-quads-length read >>rgb-quads
dup color-index-length read >>color-index ;
: load-bitmap-data ( path -- bitmap )
binary [
bitmap new
parse-file-header parse-bitmap-header parse-bitmap
: load-bitmap-data ( path bitmap -- bitmap )
[ binary ] dip '[
_ parse-file-header parse-bitmap-header parse-bitmap
] with-file-reader ;
: process-bitmap-data ( bitmap -- bitmap )
dup raw-bitmap>buffer >>buffer ;
: load-bitmap ( path -- bitmap )
load-bitmap-data process-bitmap-data ;
dup raw-bitmap>buffer >>bitmap ;
ERROR: unknown-component-order bitmap ;
@ -101,15 +97,16 @@ ERROR: unknown-component-order bitmap ;
[ unknown-component-order ]
} case ;
: >image ( bitmap -- bitmap-image )
{
[ [ width>> ] [ height>> ] bi 2array ]
[ bitmap>component-order ]
[ buffer>> ]
} cleave bitmap-image boa ;
: fill-image-slots ( bitmap -- bitmap )
dup {
[ [ width>> ] [ height>> ] bi 2array >>dim ]
[ bitmap>component-order >>component-order ]
[ bitmap>> >>bitmap ]
} cleave ;
M: bitmap-image load-image* ( path bitmap -- bitmap-image )
drop load-bitmap >image ;
M: bitmap-image load-image* ( path bitmap -- bitmap )
load-bitmap-data process-bitmap-data
fill-image-slots ;
M: bitmap-image normalize-scan-line-order
dup dim>> '[
@ -118,12 +115,12 @@ M: bitmap-image normalize-scan-line-order
MACRO: (nbits>bitmap) ( bits -- )
[ -3 shift ] keep '[
bitmap new
bitmap-image new
2over * _ * >>size-image
swap >>height
swap >>width
swap array-copy [ >>buffer ] [ >>color-index ] bi
_ >>bit-count >image
swap array-copy [ >>bitmap ] [ >>color-index ] bi
_ >>bit-count fill-image-slots
] ;
: bgr>bitmap ( array height width -- bitmap )
@ -135,11 +132,13 @@ MACRO: (nbits>bitmap) ( bits -- )
: write2 ( n -- ) 2 >le write ;
: write4 ( n -- ) 4 >le write ;
PRIVATE>
: save-bitmap ( bitmap path -- )
binary [
B{ CHAR: B CHAR: M } write
[
buffer>> length 14 + 40 + write4
color-index>> length 14 + 40 + write4
0 write4
54 write4
40 write4

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@ -68,7 +68,7 @@ GENERIC: load-image* ( path tuple -- image )
[
3 <sliced-groups>
[ [ 3 head-slice reverse-here ] each ]
[ add-dummy-alpha ] bi
[ [ 255 suffix ] map ] bi concat
] change-bitmap
] }
} case
@ -81,4 +81,4 @@ M: image normalize-scan-line-order ;
: normalize-image ( image -- image )
[ >byte-array ] change-bitmap
normalize-component-order
normalize-scan-line-order ;
normalize-scan-line-order ;

1
basis/images/png/authors.txt Executable file
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@ -0,0 +1 @@
Doug Coleman

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@ -0,0 +1,7 @@
! Copyright (C) 2009 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: tools.test images.png ;
IN: images.png.tests
: png-test-path ( -- path )
"vocab:images/test-images/rgb.png" ;

41
basis/images/png/png.factor Executable file
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@ -0,0 +1,41 @@
! Copyright (C) 2009 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors constructors images io io.binary io.encodings.ascii
io.encodings.binary io.encodings.string io.files io.files.info kernel
sequences io.streams.limited ;
IN: images.png
TUPLE: png-image < image chunks ;
CONSTRUCTOR: png-image ( -- image )
V{ } clone >>chunks ;
TUPLE: png-chunk length type data crc ;
CONSTRUCTOR: png-chunk ( -- png-chunk ) ;
CONSTANT: png-header B{ HEX: 89 HEX: 50 HEX: 4e HEX: 47 HEX: 0d HEX: 0a HEX: 1a HEX: 0a }
ERROR: bad-png-header header ;
: read-png-header ( -- )
8 read dup png-header sequence= [
bad-png-header
] unless drop ;
: read-png-chunks ( image -- image )
<png-chunk>
4 read be> >>length
4 read ascii decode >>type
dup length>> read >>data
4 read >>crc
[ over chunks>> push ]
[ type>> ] bi "IEND" =
[ read-png-chunks ] unless ;
: load-png ( path -- image )
[ binary <file-reader> ] [ file-info size>> ] bi stream-throws <limited-stream> [
<png-image>
read-png-header
read-png-chunks
] with-input-stream ;

BIN
basis/images/test-images/rgb.png Executable file

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After

Width:  |  Height:  |  Size: 4.2 KiB

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@ -4,7 +4,7 @@ USING: math.parser arrays io.encodings sequences kernel assocs
hashtables io.encodings.ascii generic parser classes.tuple words
words.symbol io io.files splitting namespaces math
compiler.units accessors classes.singleton classes.mixin
io.encodings.iana fry ;
io.encodings.iana fry simple-flat-file ;
IN: io.encodings.8-bit
<PRIVATE
@ -35,36 +35,22 @@ CONSTANT: mappings {
: encoding-file ( file-name -- stream )
"vocab:io/encodings/8-bit/" ".TXT" surround ;
: process-contents ( lines -- assoc )
[ "#" split1 drop ] map harvest
[ "\t" split 2 head [ 2 short tail hex> ] map ] map ;
: byte>ch ( assoc -- array )
256 replacement-char <array>
[ '[ swap _ set-nth ] assoc-each ] keep ;
: ch>byte ( assoc -- newassoc )
[ swap ] assoc-map >hashtable ;
: parse-file ( path -- byte>ch ch>byte )
ascii file-lines process-contents
[ byte>ch ] [ ch>byte ] bi ;
SYMBOL: 8-bit-encodings
TUPLE: 8-bit decode encode ;
TUPLE: 8-bit biassoc ;
: encode-8-bit ( char stream assoc -- )
swapd at*
[ swap stream-write1 ] [ nip encode-error ] if ; inline
swapd value-at
[ swap stream-write1 ] [ encode-error ] if* ; inline
M: 8-bit encode-char encode>> encode-8-bit ;
M: 8-bit encode-char biassoc>> encode-8-bit ;
: decode-8-bit ( stream array -- char/f )
swap stream-read1 dup
[ swap nth [ replacement-char ] unless* ] [ 2drop f ] if ; inline
: decode-8-bit ( stream assoc -- char/f )
swap stream-read1
[ swap at [ replacement-char ] unless* ]
[ drop f ] if* ; inline
M: 8-bit decode-char decode>> decode-8-bit ;
M: 8-bit decode-char biassoc>> decode-8-bit ;
MIXIN: 8-bit-encoding
@ -87,7 +73,7 @@ PRIVATE>
first3
[ create-encoding ]
[ dupd register-encoding ]
[ encoding-file parse-file 8-bit boa ]
[ encoding-file flat-file>biassoc 8-bit boa ]
tri*
] H{ } map>assoc
8-bit-encodings set-global

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@ -0,0 +1,9 @@
! Copyright (C) 2009 Daniel Ehrenberg
! See http://factorcode.org/license.txt for BSD license.
USING: io.encodings.iana io.encodings.euc ;
IN: io.encodings.big5
EUC: big5 "vocab:io/encodings/big5/CP950.txt"
big5 "Big5" register-encoding

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@ -0,0 +1,8 @@
! Copyright (C) 2009 Daniel Ehrenberg
! See http://factorcode.org/license.txt for BSD license.
USING: io.encodings.euc io.encodings.iana ;
IN: io.encodings.euc-jp
EUC: euc-jp "vocab:io/encodings/euc-jp/euc-jp-2000-std.txt"
euc-jp "Extended_UNIX_Code_Packed_Format_for_Japanese" register-encoding

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@ -0,0 +1 @@
EUC-JP text encoding

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@ -1,14 +1,10 @@
! Copyright (C) 2009 Yun, Jonghyouk.
! See http://factorcode.org/license.txt for BSD license.
USING: help.syntax help.markup ;
IN: io.encodings.korean
IN: io.encodings.euc-kr
ARTICLE: "io.encodings.korean" "Korean text encodings"
"The " { $vocab-link "io.encodings.korean" } " vocabulary implements encodings used for Korean text besides the standard UTF encodings for Unicode strings."
{ $subsection cp949 } ;
ABOUT: euc-kr
ABOUT: "io.encodings.korean"
HELP: cp949
{ $class-description "This encoding class implements Microsoft's code page #949 encoding, also called Unified Hangul Code or ks_c_5601-1987, UHC. CP949 is extended version of EUC-KR and downward-compatibility to EUC-KR. " }
HELP: euc-kr
{ $class-description "This encoding class implements Microsoft's code page #949 encoding, also called Unified Hangul Code or ks_c_5601-1987, UHC. CP949 is extended version of EUC-KR and downward-compatibility to EUC-KR, in practice." }
{ $see-also "encodings-introduction" } ;

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@ -0,0 +1,8 @@
! Copyright (C) 2009 Daniel Ehrenberg
! See http://factorcode.org/license.txt for BSD license.
USING: io.encodings.iana io.encodings.euc ;
IN: io.encodings.euc-kr
EUC: euc-kr "vocab:io/encodings/euc-kr/data/cp949.txt"
euc-kr "EUC-KR" register-encoding

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@ -0,0 +1,50 @@
! Copyright (C) 2009 Yun, Jonghyouk.
! See http://factorcode.org/license.txt for BSD license.
USING: arrays byte-arrays io io.encodings io.encodings.euc-kr assocs
io.encodings.string io.streams.string io.encodings.euc.private words
kernel locals multiline namespaces sequences strings tools.test ;
IN: io.encodings.euc.tests
: euc-kr>unicode ( ch -- ch/f )
euc-kr euc-table word-prop at ;
: unicode>euc-kr ( ch -- ch/f )
euc-kr euc-table word-prop value-at ;
[ f ] [ HEX: 80 euc-kr>unicode ] unit-test
[ f ] [ HEX: ff euc-kr>unicode ] unit-test
[ HEX: ac02 ] [ HEX: 8141 euc-kr>unicode ] unit-test
[ HEX: 7f ] [ HEX: 7f euc-kr>unicode ] unit-test
[ HEX: c724 ] [ HEX: c0b1 euc-kr>unicode ] unit-test
[ HEX: 8141 ] [ HEX: ac02 unicode>euc-kr ] unit-test
[ HEX: 7f ] [ HEX: 7f unicode>euc-kr ] unit-test
[ HEX: c0b1 ] [ HEX: c724 unicode>euc-kr ] unit-test
: phrase-unicode ( -- s )
"\u00b3d9\u00d574\u00bb3c\u00acfc \u00bc31\u00b450\u00c0b0\u00c774!" ;
: phrase-euc-kr ( -- s )
{
HEX: b5 HEX: bf HEX: c7 HEX: d8
HEX: b9 HEX: b0 HEX: b0 HEX: fa
HEX: 20 HEX: b9 HEX: e9 HEX: b5
HEX: ce HEX: bb HEX: ea HEX: c0
HEX: cc HEX: 21
} ;
: phrase-unicode>euc-kr ( -- s )
phrase-unicode euc-kr encode ;
: phrase-euc-kr>unicode ( -- s )
phrase-euc-kr euc-kr decode ;
[ t ] [ phrase-unicode>euc-kr >array phrase-euc-kr = ] unit-test
[ t ] [ phrase-euc-kr>unicode phrase-unicode = ] unit-test
[ t ] [ phrase-euc-kr 1 head* euc-kr decode phrase-unicode 1 head* = ] unit-test
[ t ] [ phrase-euc-kr 3 head* euc-kr decode phrase-unicode 2 head* = ] unit-test
[ t ] [ phrase-euc-kr 2 head* euc-kr decode phrase-unicode 2 head* CHAR: replacement-character suffix = ] unit-test

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@ -0,0 +1,68 @@
! Copyright (C) 2009 Daniel Ehrenberg, Jonghyouk Yun.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel io.encodings accessors assocs sequences biassocs generic
math.order simple-flat-file io io.binary byte-arrays locals combinators
words classes.singleton fry classes.parser parser quotations ;
IN: io.encodings.euc
TUPLE: euc { table biassoc } ;
<PRIVATE
: byte? ( ch -- ? )
HEX: 0 HEX: ff between? ;
M: euc encode-char ( char stream encoding -- )
swapd table>> value-at [
dup byte?
[ swap stream-write1 ] [
h>b/b swap 2byte-array
swap stream-write
] if
] [ encode-error ] if* ;
: euc-multibyte? ( ch -- ? )
HEX: 81 HEX: fe between? ;
:: decode-multibyte ( ch stream encoding -- char )
stream stream-read1
[ ch swap 2byte-array be> encoding table>> at ]
[ replacement-char ] if* ;
M:: euc decode-char ( stream encoding -- char/f )
stream stream-read1
{
{ [ dup not ] [ drop f ] }
{ [ dup euc-multibyte? ] [ stream encoding decode-multibyte ] }
[ encoding table>> at ]
} cond ;
: define-method ( class word definition -- )
[ create-method ] dip define ;
SYMBOL: euc-table
: setup-euc ( word file-name -- singleton-class biassoc )
[ dup define-singleton-class ]
[ flat-file>biassoc ] bi* ;
:: define-recursive-methods ( class data words -- )
words [| word |
class word [ drop data word execute ] define-method
] each ;
: euc-methods ( singleton-class biassoc -- )
[ euc-table set-word-prop ] [
euc boa
{ <encoder> <decoder> }
define-recursive-methods
] 2bi ;
: define-euc ( word file-name -- )
setup-euc euc-methods ;
PRIVATE>
: EUC:
! EUC: euc-kr "vocab:io/encodings/korean/cp949.txt"
CREATE-CLASS scan-object define-euc ; parsing

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@ -0,0 +1 @@
Daniel Ehrenberg

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@ -1,13 +1,13 @@
! Copyright (C) 2009 Daniel Ehrenberg
! See http://factorcode.org/license.txt for BSD license.
USING: help.syntax help.markup ;
IN: io.encodings.chinese
IN: io.encodings.gb18030
ARTICLE: "io.encodings.chinese" "Chinese text encodings"
"The " { $vocab-link "io.encodings.chinese" } " vocabulary implements encodings used for Chinese text besides the standard UTF encodings for Unicode strings."
ARTICLE: "io.encodings.gb18030" "GB 18030"
"The " { $vocab-link "io.encodings.gb18030" } " vocabulary implements GB18030, a commonly used encoding for Chinese text besides the standard UTF encodings for Unicode strings."
{ $subsection gb18030 } ;
ABOUT: "io.encodings.chinese"
ABOUT: "io.encodings.gb18030"
HELP: gb18030
{ $class-description "The encoding descriptor for GB 18030, a Chinese national standard for text encoding. GB 18030 consists of a unique encoding for each Unicode code point, and for this reason has been described as a UTF. It is backwards compatible with the earlier encodings GB 2312 and GBK." }

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@ -1,7 +1,7 @@
! Copyright (C) 2009 Daniel Ehrenberg
! See http://factorcode.org/license.txt for BSD license.
USING: io.encodings.chinese io.encodings.string strings tools.test arrays ;
IN: io.encodings.chinese.tests
USING: io.encodings.gb18030 io.encodings.string strings tools.test arrays ;
IN: io.encodings.gb18030.tests
[ "hello" ] [ "hello" gb18030 encode >string ] unit-test
[ "hello" ] [ "hello" gb18030 decode ] unit-test

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@ -4,7 +4,7 @@ USING: xml xml.data kernel io io.encodings interval-maps splitting fry
math.parser sequences combinators assocs locals accessors math arrays
byte-arrays values io.encodings.ascii ascii io.files biassocs
math.order combinators.short-circuit io.binary io.encodings.iana ;
IN: io.encodings.chinese
IN: io.encodings.gb18030
SINGLETON: gb18030
@ -80,7 +80,7 @@ VALUE: gb>u
VALUE: u>gb
VALUE: mapping
"vocab:io/encodings/chinese/gb-18030-2000.xml"
"vocab:io/encodings/gb18030/gb-18030-2000.xml"
ascii <file-reader> xml>gb-data
[ ranges-u>gb to: u>gb ] [ ranges-gb>u to: gb>u ] bi
>biassoc to: mapping

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@ -0,0 +1 @@
Daniel Ehrenberg

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@ -0,0 +1,9 @@
! Copyright (C) 2009 Yun, Jonghyouk.
! See http://factorcode.org/license.txt for BSD license.
USING: help.syntax help.markup ;
IN: io.encodings.johab
ABOUT: johab
HELP: johab
{ $class-description "Korean Johab encoding (KSC5601-1992). This encoding is not commonly used anymore." } ;

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@ -0,0 +1,36 @@
! Copyright (C) 2009 Yun, Jonghyouk.
! See http://factorcode.org/license.txt for BSD license.
USING: arrays byte-arrays io io.encodings io.encodings.johab assocs
io.encodings.string io.streams.string io.encodings.euc.private words
kernel locals multiline namespaces sequences strings tools.test ;
IN: io.encodings.johab.tests
: johab>unicode ( ch -- ch/f )
johab euc-table word-prop at ;
: unicode>johab ( ch -- ch/f )
johab euc-table word-prop value-at ;
! johab encodings
[ HEX: 20 ] [ HEX: 20 johab>unicode ] unit-test
[ HEX: 3133 ] [ HEX: 8444 johab>unicode ] unit-test
[ HEX: 8A5D ] [ HEX: AD4F unicode>johab ] unit-test
: phrase-unicode ( -- s )
"\u00b3d9\u00d574\u00bb3c\u00acfc \u00bc31\u00b450\u00c0b0\u00c774!" ;
: phrase-johab ( -- s )
B{
149 183 208 129 162 137 137 193 32 164 130 150 129 172 101
183 161 33
} ;
: phrase-johab>unicode ( -- s )
phrase-johab johab decode ;
: phrase-unicode>johab ( -- s )
phrase-unicode johab encode ;
[ t ] [ phrase-johab>unicode phrase-unicode = ] unit-test
[ t ] [ phrase-unicode>johab phrase-johab = ] unit-test

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@ -0,0 +1,7 @@
! Copyright (C) 2009 Daniel Ehrenberg
! See http://factorcode.org/license.txt for BSD license.
USE: io.encodings.euc
IN: io.encodings.johab
EUC: johab "vocab:io/encodings/johab/johab.txt"

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@ -0,0 +1 @@
Johab Korean text encoding

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@ -1,46 +0,0 @@
! Copyright (C) 2009 Yun, Jonghyouk.
! See http://factorcode.org/license.txt for BSD license.
USING: arrays byte-arrays io io.encodings io.encodings.korean
io.encodings.korean.private io.encodings.string io.streams.string
kernel locals multiline namespaces sequences strings tools.test ;
IN: io.encodings.korean.tests
! convert cp949 <> unicode
[ f ] [ HEX: 80 cp949>unicode ] unit-test
[ f ] [ HEX: ff cp949>unicode ] unit-test
[ HEX: ac02 ] [ HEX: 8141 cp949>unicode ] unit-test
[ HEX: 7f ] [ HEX: 7f cp949>unicode ] unit-test
[ HEX: c724 ] [ HEX: c0b1 cp949>unicode ] unit-test
[ HEX: 8141 ] [ HEX: ac02 unicode>cp949 ] unit-test
[ HEX: 7f ] [ HEX: 7f unicode>cp949 ] unit-test
[ HEX: c0b1 ] [ HEX: c724 unicode>cp949 ] unit-test
: phrase-unicode ( -- s )
"\u00b3d9\u00d574\u00bb3c\u00acfc \u00bc31\u00b450\u00c0b0\u00c774!" ;
: phrase-cp949 ( -- s )
{
HEX: b5 HEX: bf HEX: c7 HEX: d8
HEX: b9 HEX: b0 HEX: b0 HEX: fa
HEX: 20 HEX: b9 HEX: e9 HEX: b5
HEX: ce HEX: bb HEX: ea HEX: c0
HEX: cc HEX: 21
} ;
: phrase-unicode>cp949 ( -- s )
phrase-unicode cp949 encode ;
: phrase-cp949>unicode ( -- s )
phrase-cp949 cp949 decode ;
[ t ] [ phrase-unicode>cp949 >array phrase-cp949 = ] unit-test
[ t ] [ phrase-cp949>unicode phrase-unicode = ] unit-test
[ t ] [ phrase-cp949 1 head* cp949 decode phrase-unicode 1 head* = ] unit-test
[ t ] [ phrase-cp949 3 head* cp949 decode phrase-unicode 2 head* = ] unit-test
[ t ] [ phrase-cp949 2 head* cp949 decode phrase-unicode 2 head* CHAR: replacement-character suffix = ] unit-test

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@ -1,81 +0,0 @@
! Copyright (C) 2009 Yun, Jonghyouk.
! See http://factorcode.org/license.txt for BSD license.
USING: assocs byte-arrays combinators io io.encodings
io.encodings.ascii io.encodings.iana io.files kernel locals math
math.order math.parser memoize multiline sequences splitting
values hashtables io.binary ;
IN: io.encodings.korean
! TODO: migrate to common code-table parser (by Dan).
SINGLETON: cp949
cp949 "EUC-KR" register-encoding
<PRIVATE
! parse cp949.txt > table
: cp949.txt-lines ( -- seq )
! "cp949.txt" from ...
! <http://unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP949.TXT>
"vocab:io/encodings/korean/data/cp949.txt"
ascii file-lines ;
: drop-comments ( seq -- newseq )
[ "#" split1 drop ] map harvest ;
: split-column ( line -- columns )
"\t" split 2 head ;
: parse-hex ( s -- n )
2 short tail hex> ;
: parse-line ( line -- code-unicode )
split-column [ parse-hex ] map ;
: process-codetable-lines ( lines -- assoc )
drop-comments [ parse-line ] map ;
! convert cp949 <> unicode
MEMO: cp949>unicode-table ( -- hashtable )
cp949.txt-lines process-codetable-lines >hashtable ;
MEMO: unicode>cp949-table ( -- hashtable )
cp949>unicode-table [ swap ] assoc-map ;
unicode>cp949-table drop
: cp949>unicode ( b -- u )
cp949>unicode-table at ;
: unicode>cp949 ( u -- b )
unicode>cp949-table at ;
: cp949-1st? ( n -- ? )
dup [ HEX: 81 HEX: fe between? ] when ;
: byte? ( n -- ? )
0 HEX: ff between? ;
M:: cp949 encode-char ( char stream encoding -- )
char unicode>cp949 byte?
[ char 1byte-array stream stream-write ] [
char unicode>cp949
h>b/b swap 2byte-array
stream stream-write
] if ;
: decode-char-step2 ( c stream -- char )
stream-read1
[ 2byte-array be> cp949>unicode ]
[ drop replacement-char ] if* ;
M:: cp949 decode-char ( stream encoding -- char/f )
stream stream-read1
{
{ [ dup not ] [ drop f ] }
{ [ dup cp949-1st? ] [ stream decode-char-step2 ] }
[ ]
} cond ;

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Daniel Ehrenberg

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#
# Name: JIS X 0201 (1976) to Unicode 1.1 Table
# Unicode version: 1.1
# Table version: 0.9
# Table format: Format A
# Date: 8 March 1994
#
# Copyright (c) 1991-1994 Unicode, Inc. All Rights reserved.
#
# This file is provided as-is by Unicode, Inc. (The Unicode Consortium).
# No claims are made as to fitness for any particular purpose. No
# warranties of any kind are expressed or implied. The recipient
# agrees to determine applicability of information provided. If this
# file has been provided on magnetic media by Unicode, Inc., the sole
# remedy for any claim will be exchange of defective media within 90
# days of receipt.
#
# Recipient is granted the right to make copies in any form for
# internal distribution and to freely use the information supplied
# in the creation of products supporting Unicode. Unicode, Inc.
# specifically excludes the right to re-distribute this file directly
# to third parties or other organizations whether for profit or not.
#
# General notes:
#
#
# This table contains one set of mappings from JIS X 0201 into Unicode.
# Note that these data are *possible* mappings only and may not be the
# same as those used by actual products, nor may they be the best suited
# for all uses. For more information on the mappings between various code
# pages incorporating the repertoire of JIS X 0201 and Unicode, consult the
# VENDORS mapping data. Normative information on the mapping between
# JIS X 0201 and Unicode may be found in the Unihan.txt file in the
# latest Unicode Character Database.
#
# If you have carefully considered the fact that the mappings in
# this table are only one possible set of mappings between JIS X 0201 and
# Unicode and have no normative status, but still feel that you
# have located an error in the table that requires fixing, you may
# report any such error to errata@unicode.org.
#
#
# Format: Three tab-separated columns
# Column #1 is the shift JIS code (in hex as 0xXX)
# Column #2 is the Unicode (in hex as 0xXXXX)
# Column #3 the Unicode (ISO 10646) name (follows a comment sign)
#
# The entries are in JIS order
#
#
0x20 0x0020 # SPACE
0x21 0x0021 # EXCLAMATION MARK
0x22 0x0022 # QUOTATION MARK
0x23 0x0023 # NUMBER SIGN
0x24 0x0024 # DOLLAR SIGN
0x25 0x0025 # PERCENT SIGN
0x26 0x0026 # AMPERSAND
0x27 0x0027 # APOSTROPHE
0x28 0x0028 # LEFT PARENTHESIS
0x29 0x0029 # RIGHT PARENTHESIS
0x2A 0x002A # ASTERISK
0x2B 0x002B # PLUS SIGN
0x2C 0x002C # COMMA
0x2D 0x002D # HYPHEN-MINUS
0x2E 0x002E # FULL STOP
0x2F 0x002F # SOLIDUS
0x30 0x0030 # DIGIT ZERO
0x31 0x0031 # DIGIT ONE
0x32 0x0032 # DIGIT TWO
0x33 0x0033 # DIGIT THREE
0x34 0x0034 # DIGIT FOUR
0x35 0x0035 # DIGIT FIVE
0x36 0x0036 # DIGIT SIX
0x37 0x0037 # DIGIT SEVEN
0x38 0x0038 # DIGIT EIGHT
0x39 0x0039 # DIGIT NINE
0x3A 0x003A # COLON
0x3B 0x003B # SEMICOLON
0x3C 0x003C # LESS-THAN SIGN
0x3D 0x003D # EQUALS SIGN
0x3E 0x003E # GREATER-THAN SIGN
0x3F 0x003F # QUESTION MARK
0x40 0x0040 # COMMERCIAL AT
0x41 0x0041 # LATIN CAPITAL LETTER A
0x42 0x0042 # LATIN CAPITAL LETTER B
0x43 0x0043 # LATIN CAPITAL LETTER C
0x44 0x0044 # LATIN CAPITAL LETTER D
0x45 0x0045 # LATIN CAPITAL LETTER E
0x46 0x0046 # LATIN CAPITAL LETTER F
0x47 0x0047 # LATIN CAPITAL LETTER G
0x48 0x0048 # LATIN CAPITAL LETTER H
0x49 0x0049 # LATIN CAPITAL LETTER I
0x4A 0x004A # LATIN CAPITAL LETTER J
0x4B 0x004B # LATIN CAPITAL LETTER K
0x4C 0x004C # LATIN CAPITAL LETTER L
0x4D 0x004D # LATIN CAPITAL LETTER M
0x4E 0x004E # LATIN CAPITAL LETTER N
0x4F 0x004F # LATIN CAPITAL LETTER O
0x50 0x0050 # LATIN CAPITAL LETTER P
0x51 0x0051 # LATIN CAPITAL LETTER Q
0x52 0x0052 # LATIN CAPITAL LETTER R
0x53 0x0053 # LATIN CAPITAL LETTER S
0x54 0x0054 # LATIN CAPITAL LETTER T
0x55 0x0055 # LATIN CAPITAL LETTER U
0x56 0x0056 # LATIN CAPITAL LETTER V
0x57 0x0057 # LATIN CAPITAL LETTER W
0x58 0x0058 # LATIN CAPITAL LETTER X
0x59 0x0059 # LATIN CAPITAL LETTER Y
0x5A 0x005A # LATIN CAPITAL LETTER Z
0x5B 0x005B # LEFT SQUARE BRACKET
0x5C 0x00A5 # YEN SIGN
0x5D 0x005D # RIGHT SQUARE BRACKET
0x5E 0x005E # CIRCUMFLEX ACCENT
0x5F 0x005F # LOW LINE
0x60 0x0060 # GRAVE ACCENT
0x61 0x0061 # LATIN SMALL LETTER A
0x62 0x0062 # LATIN SMALL LETTER B
0x63 0x0063 # LATIN SMALL LETTER C
0x64 0x0064 # LATIN SMALL LETTER D
0x65 0x0065 # LATIN SMALL LETTER E
0x66 0x0066 # LATIN SMALL LETTER F
0x67 0x0067 # LATIN SMALL LETTER G
0x68 0x0068 # LATIN SMALL LETTER H
0x69 0x0069 # LATIN SMALL LETTER I
0x6A 0x006A # LATIN SMALL LETTER J
0x6B 0x006B # LATIN SMALL LETTER K
0x6C 0x006C # LATIN SMALL LETTER L
0x6D 0x006D # LATIN SMALL LETTER M
0x6E 0x006E # LATIN SMALL LETTER N
0x6F 0x006F # LATIN SMALL LETTER O
0x70 0x0070 # LATIN SMALL LETTER P
0x71 0x0071 # LATIN SMALL LETTER Q
0x72 0x0072 # LATIN SMALL LETTER R
0x73 0x0073 # LATIN SMALL LETTER S
0x74 0x0074 # LATIN SMALL LETTER T
0x75 0x0075 # LATIN SMALL LETTER U
0x76 0x0076 # LATIN SMALL LETTER V
0x77 0x0077 # LATIN SMALL LETTER W
0x78 0x0078 # LATIN SMALL LETTER X
0x79 0x0079 # LATIN SMALL LETTER Y
0x7A 0x007A # LATIN SMALL LETTER Z
0x7B 0x007B # LEFT CURLY BRACKET
0x7C 0x007C # VERTICAL LINE
0x7D 0x007D # RIGHT CURLY BRACKET
0x7E 0x203E # OVERLINE
0xA1 0xFF61 # HALFWIDTH IDEOGRAPHIC FULL STOP
0xA2 0xFF62 # HALFWIDTH LEFT CORNER BRACKET
0xA3 0xFF63 # HALFWIDTH RIGHT CORNER BRACKET
0xA4 0xFF64 # HALFWIDTH IDEOGRAPHIC COMMA
0xA5 0xFF65 # HALFWIDTH KATAKANA MIDDLE DOT
0xA6 0xFF66 # HALFWIDTH KATAKANA LETTER WO
0xA7 0xFF67 # HALFWIDTH KATAKANA LETTER SMALL A
0xA8 0xFF68 # HALFWIDTH KATAKANA LETTER SMALL I
0xA9 0xFF69 # HALFWIDTH KATAKANA LETTER SMALL U
0xAA 0xFF6A # HALFWIDTH KATAKANA LETTER SMALL E
0xAB 0xFF6B # HALFWIDTH KATAKANA LETTER SMALL O
0xAC 0xFF6C # HALFWIDTH KATAKANA LETTER SMALL YA
0xAD 0xFF6D # HALFWIDTH KATAKANA LETTER SMALL YU
0xAE 0xFF6E # HALFWIDTH KATAKANA LETTER SMALL YO
0xAF 0xFF6F # HALFWIDTH KATAKANA LETTER SMALL TU
0xB0 0xFF70 # HALFWIDTH KATAKANA-HIRAGANA PROLONGED SOUND MARK
0xB1 0xFF71 # HALFWIDTH KATAKANA LETTER A
0xB2 0xFF72 # HALFWIDTH KATAKANA LETTER I
0xB3 0xFF73 # HALFWIDTH KATAKANA LETTER U
0xB4 0xFF74 # HALFWIDTH KATAKANA LETTER E
0xB5 0xFF75 # HALFWIDTH KATAKANA LETTER O
0xB6 0xFF76 # HALFWIDTH KATAKANA LETTER KA
0xB7 0xFF77 # HALFWIDTH KATAKANA LETTER KI
0xB8 0xFF78 # HALFWIDTH KATAKANA LETTER KU
0xB9 0xFF79 # HALFWIDTH KATAKANA LETTER KE
0xBA 0xFF7A # HALFWIDTH KATAKANA LETTER KO
0xBB 0xFF7B # HALFWIDTH KATAKANA LETTER SA
0xBC 0xFF7C # HALFWIDTH KATAKANA LETTER SI
0xBD 0xFF7D # HALFWIDTH KATAKANA LETTER SU
0xBE 0xFF7E # HALFWIDTH KATAKANA LETTER SE
0xBF 0xFF7F # HALFWIDTH KATAKANA LETTER SO
0xC0 0xFF80 # HALFWIDTH KATAKANA LETTER TA
0xC1 0xFF81 # HALFWIDTH KATAKANA LETTER TI
0xC2 0xFF82 # HALFWIDTH KATAKANA LETTER TU
0xC3 0xFF83 # HALFWIDTH KATAKANA LETTER TE
0xC4 0xFF84 # HALFWIDTH KATAKANA LETTER TO
0xC5 0xFF85 # HALFWIDTH KATAKANA LETTER NA
0xC6 0xFF86 # HALFWIDTH KATAKANA LETTER NI
0xC7 0xFF87 # HALFWIDTH KATAKANA LETTER NU
0xC8 0xFF88 # HALFWIDTH KATAKANA LETTER NE
0xC9 0xFF89 # HALFWIDTH KATAKANA LETTER NO
0xCA 0xFF8A # HALFWIDTH KATAKANA LETTER HA
0xCB 0xFF8B # HALFWIDTH KATAKANA LETTER HI
0xCC 0xFF8C # HALFWIDTH KATAKANA LETTER HU
0xCD 0xFF8D # HALFWIDTH KATAKANA LETTER HE
0xCE 0xFF8E # HALFWIDTH KATAKANA LETTER HO
0xCF 0xFF8F # HALFWIDTH KATAKANA LETTER MA
0xD0 0xFF90 # HALFWIDTH KATAKANA LETTER MI
0xD1 0xFF91 # HALFWIDTH KATAKANA LETTER MU
0xD2 0xFF92 # HALFWIDTH KATAKANA LETTER ME
0xD3 0xFF93 # HALFWIDTH KATAKANA LETTER MO
0xD4 0xFF94 # HALFWIDTH KATAKANA LETTER YA
0xD5 0xFF95 # HALFWIDTH KATAKANA LETTER YU
0xD6 0xFF96 # HALFWIDTH KATAKANA LETTER YO
0xD7 0xFF97 # HALFWIDTH KATAKANA LETTER RA
0xD8 0xFF98 # HALFWIDTH KATAKANA LETTER RI
0xD9 0xFF99 # HALFWIDTH KATAKANA LETTER RU
0xDA 0xFF9A # HALFWIDTH KATAKANA LETTER RE
0xDB 0xFF9B # HALFWIDTH KATAKANA LETTER RO
0xDC 0xFF9C # HALFWIDTH KATAKANA LETTER WA
0xDD 0xFF9D # HALFWIDTH KATAKANA LETTER N
0xDE 0xFF9E # HALFWIDTH KATAKANA VOICED SOUND MARK
0xDF 0xFF9F # HALFWIDTH KATAKANA SEMI-VOICED SOUND MARK

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@ -1,14 +1,14 @@
! Copyright (C) 2009 Daniel Ehrenberg
! See http://factorcode.org/license.txt for BSD license.
USING: help.markup help.syntax ;
IN: io.encodings.japanese
IN: io.encodings.shift-jis
ARTICLE: "io.encodings.japanese" "Japanese text encodings"
"Several encodings are used for Japanese text besides the standard UTF encodings for Unicode strings. These are mostly based on the character set defined in the JIS X 208 standard. Current coverage of encodings is incomplete."
ARTICLE: "io.encodings.shift-jis" "Shift JIS"
"Shift JIS is a text encoding for Japanese. There are multiple versions, depending on whether the offical standard or the modified Microsoft version is required."
{ $subsection shift-jis }
{ $subsection windows-31j } ;
ABOUT: "io.encodings.japanese"
ABOUT: "io.encodings.shift-jis"
HELP: windows-31j
{ $class-description "The encoding descriptor Windows-31J, which is sometimes informally called Shift JIS. This is based on Code Page 932." }

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@ -1,7 +1,7 @@
! Copyright (C) 2009 Daniel Ehrenberg
! See http://factorcode.org/license.txt for BSD license.
USING: io.encodings.japanese tools.test io.encodings.string arrays strings ;
IN: io.encodings.japanese.tests
USING: io.encodings.shift-jis tools.test io.encodings.string arrays strings ;
IN: io.encodings.shift-jis.tests
[ { CHAR: replacement-character } ] [ { 141 } shift-jis decode >array ] unit-test
[ "" ] [ "" shift-jis decode >string ] unit-test

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@ -3,8 +3,9 @@
USING: sequences kernel io io.files combinators.short-circuit
math.order values assocs io.encodings io.binary fry strings math
io.encodings.ascii arrays byte-arrays accessors splitting
math.parser biassocs io.encodings.iana ;
IN: io.encodings.japanese
math.parser biassocs io.encodings.iana
locals multiline combinators simple-flat-file ;
IN: io.encodings.shift-jis
SINGLETON: shift-jis
@ -28,26 +29,16 @@ M: windows-31j <decoder> drop windows-31j-table <decoder> ;
TUPLE: jis assoc ;
: <jis> ( assoc -- jis )
[ nip ] assoc-filter
>biassoc jis boa ;
: ch>jis ( ch tuple -- jis ) assoc>> value-at [ encode-error ] unless* ;
: jis>ch ( jis tuple -- string ) assoc>> at replacement-char or ;
: process-jis ( lines -- assoc )
[ "#" split1 drop ] map harvest [
"\t" split 2 head
[ 2 short tail hex> ] map
] map ;
: make-jis ( filename -- jis )
ascii file-lines process-jis <jis> ;
flat-file>biassoc [ nip ] assoc-filter jis boa ;
"vocab:io/encodings/japanese/CP932.txt"
"vocab:io/encodings/shift-jis/CP932.txt"
make-jis to: windows-31j-table
"vocab:io/encodings/japanese/sjis-0208-1997-std.txt"
"vocab:io/encodings/shift-jis/sjis-0208-1997-std.txt"
make-jis to: shift-jis-table
: small? ( char -- ? )
@ -71,5 +62,3 @@ M: jis decode-char
[ 2drop replacement-char ] if*
] if
] [ 2drop f ] if* ;
PRIVATE>

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@ -0,0 +1 @@
Daniel Ehrenberg

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@ -0,0 +1,8 @@
USING: help.syntax help.markup strings ;
IN: simple-flat-file
ABOUT: "simple-flat-file"
ARTICLE: "simple-flat-file" "Parsing simple flat files"
"The " { $vocab-link "simple-flat-file" } " vocabulary provides words for loading and parsing simple flat files in a particular format which is common for encoding tasks."
{ $subsection flat-file>biassoc } ;

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@ -0,0 +1,23 @@
! Copyright (C) 2009 Yun, Jonghyouk.
! See http://factorcode.org/license.txt for BSD license.
USING: simple-flat-file tools.test memoize ;
IN: simple-flat-file.tests
MEMO: <test1> ( -- code-table )
"vocab:simple-flat-file/test1.txt" flat-file>biassoc ;
[ 0 ] [ 0 <test1> at ] unit-test
[ 0 ] [ 0 <test1> value-at ] unit-test
[ 3 ] [ 3 <test1> at ] unit-test
[ 3 ] [ 3 <test1> value-at ] unit-test
[ HEX: AD2A ] [ HEX: 8253 <test1> at ] unit-test
[ HEX: 8253 ] [ HEX: AD2A <test1> value-at ] unit-test
[ HEX: AD31 ] [ HEX: 8258 <test1> at ] unit-test
[ HEX: 8258 ] [ HEX: AD31 <test1> value-at ] unit-test

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@ -0,0 +1,23 @@
! Copyright (C) 2009 Daniel Ehrenberg
! See http://factorcode.org/license.txt for BSD license.
USING: sequences splitting kernel math.parser io.files io.encodings.ascii biassocs ;
IN: simple-flat-file
: drop-comments ( seq -- newseq )
[ "#" split1 drop ] map harvest ;
: split-column ( line -- columns )
"\t" split 2 head ;
: parse-hex ( s -- n )
2 short tail hex> ;
: parse-line ( line -- code-unicode )
split-column [ parse-hex ] map ;
: process-codetable-lines ( lines -- assoc )
drop-comments [ parse-line ] map ;
: flat-file>biassoc ( filename -- biassoc )
ascii file-lines process-codetable-lines >biassoc ;

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@ -2,13 +2,6 @@ IN: xmode.utilities.tests
USING: accessors xmode.utilities tools.test xml xml.data kernel
strings vectors sequences io.files prettyprint assocs
unicode.case ;
[ "hi" 3 ] [
{ 1 2 3 4 5 6 7 8 } [ H{ { 3 "hi" } } at ] map-find
] unit-test
[ f f ] [
{ 1 2 3 4 5 6 7 8 } [ H{ { 11 "hi" } } at ] map-find
] unit-test
TUPLE: company employees type ;

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@ -6,11 +6,6 @@ IN: xmode.utilities
: child-tags ( tag -- seq ) children>> [ tag? ] filter ;
: map-find ( seq quot -- result elt )
[ f ] 2dip
'[ nip @ dup ] find
[ [ drop f ] unless ] dip ; inline
: tag-init-form ( spec -- quot )
{
{ [ dup quotation? ] [ [ object get tag get ] prepose ] }

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@ -10,14 +10,14 @@ SLOT: i
[ i>> ] [ underlying>> ] bi ; inline
: next ( stream -- )
[ 1+ ] change-i drop ;
[ 1+ ] change-i drop ; inline
: sequence-read1 ( stream -- elt/f )
[ >sequence-stream< ?nth ]
[ next ] bi ; inline
: add-length ( n stream -- i+n )
[ i>> + ] [ underlying>> length ] bi min ;
[ i>> + ] [ underlying>> length ] bi min ; inline
: (sequence-read) ( n stream -- seq/f )
[ add-length ] keep

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@ -397,6 +397,10 @@ HELP: find-last-from
{ $values { "n" "a starting index" } { "seq" sequence } { "quot" { $quotation "( elt -- ? )" } } { "i" "the index of the first match, or f" } { "elt" "the first matching element, or " { $link f } } }
{ $description "Applies the quotation to each element of the sequence in reverse order, until it outputs a true value or the start of the sequence is reached. If the quotation yields a true value for some sequence element, the word outputs the element index and the element itself. Otherwise, the word outputs an index of f and " { $link f } " as the element." } ;
HELP: map-find
{ $values { "seq" sequence } { "quot" { $quotation "( elt -- result/f )" } } { "result" "the first non-false result of the quotation" } { "elt" "the first matching element, or " { $link f } } }
{ $description "Applies the quotation to each element of the sequence, until the quotation outputs a true value. If the quotation ever yields a result which is not " { $link f } ", then the value is output, along with the element of the sequence which yielded this." } ;
HELP: any?
{ $values { "seq" sequence } { "quot" { $quotation "( elt -- ? )" } } { "?" "a boolean" } }
{ $description "Tests if the sequence contains an element satisfying the predicate, by applying the predicate to each element in turn until a true value is found. If the sequence is empty or if the end of the sequence is reached, outputs " { $link f } "." } ;
@ -1455,6 +1459,7 @@ ARTICLE: "sequences-combinators" "Sequence combinators"
{ $subsection map }
{ $subsection map-as }
{ $subsection map-index }
{ $subsection map-reduce }
{ $subsection accumulate }
{ $subsection produce }
{ $subsection produce-as }
@ -1473,6 +1478,7 @@ ARTICLE: "sequence-2combinators" "Pair-wise sequence combinators"
{ $subsection 2reduce }
{ $subsection 2map }
{ $subsection 2map-as }
{ $subsection 2map-reduce }
{ $subsection 2all? } ;
ARTICLE: "sequence-3combinators" "Triple-wise sequence combinators"
@ -1507,7 +1513,8 @@ ARTICLE: "sequences-search" "Searching sequences"
{ $subsection find }
{ $subsection find-from }
{ $subsection find-last }
{ $subsection find-last-from } ;
{ $subsection find-last-from }
{ $subsection map-find } ;
ARTICLE: "sequences-trimming" "Trimming sequences"
"Trimming words:"

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@ -1,5 +1,5 @@
USING: arrays kernel math namespaces sequences kernel.private
sequences.private strings sbufs tools.test vectors
sequences.private strings sbufs tools.test vectors assocs
generic vocabs.loader ;
IN: sequences.tests
@ -274,3 +274,11 @@ M: bogus-hashcode hashcode* 2drop 0 >bignum ;
[ "asdf" iota ] must-fail
[ T{ iota { n 10 } } ] [ 10 iota ] unit-test
[ 0 ] [ 10 iota first ] unit-test
[ "hi" 3 ] [
{ 1 2 3 4 5 6 7 8 } [ H{ { 3 "hi" } } at ] map-find
] unit-test
[ f f ] [
{ 1 2 3 4 5 6 7 8 } [ H{ { 11 "hi" } } at ] map-find
] unit-test

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@ -815,6 +815,11 @@ PRIVATE>
[ [ 2unclip-slice ] dip [ call ] keep ] dip
compose 2reduce ; inline
: map-find ( seq quot -- result elt )
[ f ] 2dip
[ [ nip ] dip call dup ] curry find
[ [ drop f ] unless ] dip ; inline
: unclip-last-slice ( seq -- butlast-slice last )
[ but-last-slice ] [ peek ] bi ; inline

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@ -5,7 +5,8 @@ strings kernel math io.mmap io.mmap.uchar accessors syntax
combinators math.ranges unicode.categories byte-arrays
io.encodings.string io.encodings.utf16 assocs math.parser
combinators.short-circuit fry namespaces combinators.smart
splitting io.encodings.ascii arrays ;
splitting io.encodings.ascii arrays io.files.info unicode.case
io.directories.search ;
IN: id3
<PRIVATE
@ -179,7 +180,7 @@ PRIVATE>
: id3-frame ( id3 key -- value/f ) [ ] frame-named ; inline
: file-id3-tags ( path -- id3v2-info/f )
: (file-id3-tags) ( path -- id3v2-info/f )
[
{
{ [ dup id3v2? ] [ read-v2-tag-data ] }
@ -187,3 +188,10 @@ PRIVATE>
[ drop f ]
} cond
] with-mapped-uchar-file ;
: file-id3-tags ( path -- id3v2-info/f )
dup file-info size>> 0 <= [ drop f ] [ (file-id3-tags) ] if ;
: parse-id3s ( path -- seq )
[ >lower ".mp3" tail? ] find-all-files
[ dup file-id3-tags ] { } map>assoc ;

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@ -10,7 +10,7 @@ TUPLE: image-gadget < gadget { image image } ;
M: image-gadget pref-dim*
image>> dim>> ;
: draw-image ( tiff -- )
: draw-image ( image -- )
0 0 glRasterPos2i 1.0 -1.0 glPixelZoom
[ dim>> first2 GL_RGBA GL_UNSIGNED_BYTE ]
[ bitmap>> ] bi glDrawPixels ;