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% Copyright (C) 1994, 2000 Aladdin Enterprises. All rights reserved.
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%
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% This software is provided AS-IS with no warranty, either express or
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% implied.
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%
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% This software is distributed under license and may not be copied,
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% modified or distributed except as expressly authorized under the terms
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% of the license contained in the file LICENSE in this distribution.
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%
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% For more information about licensing, please refer to
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% http://www.ghostscript.com/licensing/. For information on
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% commercial licensing, go to http://www.artifex.com/licensing/ or
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% contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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% San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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% $Id: gs_btokn.ps,v 1.9 2002/04/19 06:52:25 lpd Exp $
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% Initialization file for binary tokens.
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% When this is run, systemdict is still writable,
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% but everything defined here goes into level2dict.
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% Define whether or not to allow writing dictionaries.
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% This is a non-standard feature!
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/WRITEDICTS false def
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languagelevel 1 .setlanguagelevel
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level2dict begin
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% Initialization for the system name table.
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mark
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% 0
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/abs /add /aload /anchorsearch /and
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/arc /arcn /arct /arcto /array
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/ashow /astore /awidthshow /begin /bind
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/bitshift /ceiling /charpath /clear /cleartomark
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% 20
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/clip /clippath /closepath /concat /concatmatrix
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/copy /count /counttomark /currentcmykcolor /currentdash
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/currentdict /currentfile /currentfont /currentgray /currentgstate
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/currenthsbcolor /currentlinecap /currentlinejoin /currentlinewidth /currentmatrix
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% 40
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/currentpoint /currentrgbcolor /currentshared /curveto /cvi
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/cvlit /cvn /cvr /cvrs /cvs
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/cvx /def /defineusername /dict /div
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/dtransform /dup /end /eoclip /eofill
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% 60
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/eoviewclip /eq /exch /exec /exit
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/file /fill /findfont /flattenpath /floor
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/flush /flushfile /for /forall /ge
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/get /getinterval /grestore /gsave /gstate
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% 80
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/gt /identmatrix /idiv /idtransform /if
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/ifelse /image /imagemask /index /ineofill
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/infill /initviewclip /inueofill /inufill /invertmatrix
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/itransform /known /le /length /lineto
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% 100
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/load /loop /lt /makefont /matrix
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/maxlength /mod /moveto /mul /ne
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/neg /newpath /not /null /or
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/pathbbox /pathforall /pop /print /printobject
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% 120
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/put /putinterval /rcurveto /read /readhexstring
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/readline /readstring /rectclip /rectfill /rectstroke
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/rectviewclip /repeat /restore /rlineto /rmoveto
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/roll /rotate /round /save /scale
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% 140
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/scalefont /search /selectfont /setbbox /setcachedevice
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/setcachedevice2 /setcharwidth /setcmykcolor /setdash /setfont
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/setgray /setgstate /sethsbcolor /setlinecap /setlinejoin
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/setlinewidth /setmatrix /setrgbcolor /setshared /shareddict
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% 160
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/show /showpage /stop /stopped /store
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/string /stringwidth /stroke /strokepath /sub
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/systemdict /token /transform /translate /truncate
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/type /uappend /ucache /ueofill /ufill
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% 180
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/undef /upath /userdict /ustroke /viewclip
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/viewclippath /where /widthshow /write /writehexstring
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/writeobject /writestring /wtranslation /xor /xshow
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/xyshow /yshow /FontDirectory /SharedFontDirectory /Courier
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% 200
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/Courier-Bold /Courier-BoldOblique /Courier-Oblique /Helvetica /Helvetica-Bold
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/Helvetica-BoldOblique /Helvetica-Oblique /Symbol /Times-Bold /Times-BoldItalic
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/Times-Italic /Times-Roman /execuserobject /currentcolor /currentcolorspace
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/currentglobal /execform /filter /findresource /globaldict
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% 220
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/makepattern /setcolor /setcolorspace /setglobal /setpagedevice
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/setpattern
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% pad to 256
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counttomark 256 exch sub { 0 } repeat
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% 256
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/= /== /ISOLatin1Encoding /StandardEncoding
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% 260
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([) cvn (]) cvn /atan /banddevice /bytesavailable
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/cachestatus /closefile /colorimage /condition /copypage
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/cos /countdictstack /countexecstack /cshow /currentblackgeneration
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/currentcacheparams /currentcolorscreen /currentcolortransfer /currentcontext /currentflat
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% 280
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/currenthalftone /currenthalftonephase /currentmiterlimit /currentobjectformat /currentpacking
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/currentscreen /currentstrokeadjust /currenttransfer /currentundercolorremoval /defaultmatrix
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/definefont /deletefile /detach /deviceinfo /dictstack
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/echo /erasepage /errordict /execstack /executeonly
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% 300
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/exp /false /filenameforall /fileposition /fork
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/framedevice /grestoreall /handleerror /initclip /initgraphics
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/initmatrix /instroke /inustroke /join /kshow
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/ln /lock /log /mark /monitor
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% 320
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/noaccess /notify /nulldevice /packedarray /quit
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/rand /rcheck /readonly /realtime /renamefile
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/renderbands /resetfile /reversepath /rootfont /rrand
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/run /scheck /setblackgeneration /setcachelimit /setcacheparams
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% 340
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/setcolorscreen /setcolortransfer /setfileposition /setflat /sethalftone
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/sethalftonephase /setmiterlimit /setobjectformat /setpacking /setscreen
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/setstrokeadjust /settransfer /setucacheparams /setundercolorremoval /sin
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/sqrt /srand /stack /status /statusdict
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% 360
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/true /ucachestatus /undefinefont /usertime /ustrokepath
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/version /vmreclaim /vmstatus /wait /wcheck
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/xcheck /yield /defineuserobject /undefineuserobject /UserObjects
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/cleardictstack
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% 376
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/A /B /C /D /E /F /G /H /I /J /K /L /M
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/N /O /P /Q /R /S /T /U /V /W /X /Y /Z
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/a /b /c /d /e /f /g /h /i /j /k /l /m
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/n /o /p /q /r /s /t /u /v /w /x /y /z
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% 428
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/setvmthreshold (<<) cvn
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(>>) cvn /currentcolorrendering /currentdevparams /currentoverprint /currentpagedevice
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/currentsystemparams /currentuserparams /defineresource /findencoding /gcheck
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% 440
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/glyphshow /languagelevel /product /pstack /resourceforall
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/resourcestatus /revision /serialnumber /setcolorrendering /setdevparams
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/setoverprint /setsystemparams /setuserparams /startjob /undefineresource
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/GlobalFontDirectory /ASCII85Decode /ASCII85Encode /ASCIIHexDecode /ASCIIHexEncode
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% 460
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/CCITTFaxDecode /CCITTFaxEncode /DCTDecode /DCTEncode /LZWDecode
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/LZWEncode /NullEncode /RunLengthDecode /RunLengthEncode /SubFileDecode
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/CIEBasedA /CIEBasedABC /DeviceCMYK /DeviceGray /DeviceRGB
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/Indexed /Pattern /Separation /CIEBasedDEF /CIEBasedDEFG
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% 480
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/DeviceN
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% 481 -- end
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.packtomark .installsystemnames
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% Define printobject and writeobject.
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% These are mostly implemented in PostScript, so that we don't have to
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% worry about interrupts or callbacks when writing to the output file.
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% Define procedures for accumulating the space required to represent
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% an object in binary form. The procedures for composite objects (arrays
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% and dictionaries) leave different results on the stack:
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% <#refs> <#chars> <simple_obj> -proc- <#refs> <#chars>
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% <#refs> <#chars> <array|dict> -proc- <array|dict> <#refs> <#chars>
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% This is required so that .writeobjects can also accumulate the actual
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% list of composite objects to write in the binary object sequence.
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/cntdict mark
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/integertype /pop load
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/realtype 1 index
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/marktype 1 index
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/nulltype 1 index
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/booleantype 1 index
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/nametype { length add } bind
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/stringtype 1 index
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/arraytype null
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/dicttype null
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.dicttomark def
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/.cntobj { % <<arguments and results as for procedures in cntdict>>
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dup type //cntdict exch get exec
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} .bind def
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cntdict /arraytype {
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dup dup length 5 -1 roll add 4 2 roll { .cntobj } forall
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} bind put
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cntdict /dicttype {
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WRITEDICTS {
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dup dup length 2 mul 5 -1 roll add 4 2 roll {
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% We have to use .execn here, rather than simply rolling the
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% value under the top elements, because key might involve arrays
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% or dictionaries.
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cvlit {.cntobj} exch 2 .execn .cntobj
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} forall
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} {
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/writeobject load /typecheck signalerror
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} ifelse
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} bind put
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/w2dict mark
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/nametype { 2 copy .writecvs pop } bind
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/stringtype 1 index
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.dicttomark def
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/.bosheader { % <top_length> <total_length> <string8> .bosheader
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% <string4|8>
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dup 0 currentobjectformat 127 add put % object format => BOS tag
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2 index 255 le 2 index 65531 le and {
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% Use the short header format: tag toplen(1) totlen(2)
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exch 4 add exch
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dup 1 5 -1 roll put
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} {
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% Use the long header format: tag 0(1) toplen(2) totlen(4)
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exch 8 add exch
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} ifelse % Stack: shortlen str
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exch dup -8 bitshift exch 255 and % str hibyte lobyte
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currentobjectformat 1 and 0 eq { % lsb first
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exch
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} if
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2 index 3 3 -1 roll put
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1 index 2 3 -1 roll put
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} .bind def
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/.writeobjects { % <file> <tag> <array> .writeobjects -
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mark exch
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% Count the space required for refs and strings.
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dup length 0 3 -1 roll
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% Stack: file tag -mark- #refs #chars array
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dup 4 1 roll { .cntobj } forall
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% Write the header.
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% Stack: file tag -mark- array1 ... (array|dict)N #refs #chars
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counttomark 3 add -2 roll 4 1 roll
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% Stack: -mark- array1 ... (array|dict)N tag #refs #chars file
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dup counttomark 1 sub index length
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4 index 3 bitshift 4 index add
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(xxxxxxxx) .bosheader writestring
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% Write the objects per se.
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3 1 roll pop
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counttomark 1 sub index length 3 bitshift exch
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3 bitshift
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% Stack: -mark- array1 ... (array|dict)N tag file ref# char#
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counttomark 4 sub {
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counttomark -1 roll dup 6 1 roll
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% Stack: ... objN tag file ref# char# objN
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dup type /dicttype eq { % can't be first object
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{ 5 1 roll (x\000xxxxxx) .bosobject
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3 index exch writestring
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4 -1 roll (x\000xxxxxx) .bosobject
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3 index exch writestring
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} forall
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} {
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{ (xxxxxxxx) .bosobject
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dup 1 6 index put
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3 index exch writestring
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4 -1 roll pop 0 4 1 roll % clear tag
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} forall
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} ifelse
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} repeat
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% Write the strings and names.
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pop pop exch pop
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% Stack: -mark- array1 ... array|dictN file
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counttomark 1 sub {
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counttomark -1 roll {
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% The counting pass ensured that the keys and values
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% of any dictionary must be writable objects.
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% Hence, we are processing a dictionary iff
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% the next-to-top stack element is not a file.
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1 index type /filetype ne {
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exch 2 index exch dup type //w2dict exch .knownget
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{ exec } { pop } ifelse pop
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} if
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dup type //w2dict exch .knownget { exec } { pop } ifelse
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} forall
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} repeat
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% Clean up.
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% Stack: -mark- file
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pop pop
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} odef
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/printobject { % <obj> <tag> printobject -
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(%stdout) (w) file 2 index 2 index writeobject pop pop
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} odef
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/writeobject { % <file> <obj> <tag> writeobject -
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3 copy exch
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% We must allocate the array in local VM
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% to avoid a possible invalidaccess.
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.currentglobal false .setglobal exch 1 array astore exch .setglobal
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.writeobjects pop pop pop
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} odef
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% Implement binary error message output.
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/.objectprinttest { % <obj> .objectprinttest -
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% This is a pseudo-operator so it will restore the stack
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% if it gets an error.
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mark 0 0 3 index .cntobj cleartomark pop
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} bind odef
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/.printerror {
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$error /binary get .languagelevel 2 ge and {
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currentobjectformat 0 ne {
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[ /Error $error /errorname get $error /command get
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% Convert the object with cvs if it isn't printable.
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dup { .objectprinttest } .internalstopped {
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pop 100 string cvs
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} if
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false ] 250 printobject
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}
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//.printerror % known to be a procedure
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ifelse
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}
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//.printerror % known to be a procedure
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ifelse
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} bind def
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currentdict /cntdict .undef
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currentdict /w2dict .undef
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% End of level2dict
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end
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.setlanguagelevel
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