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%! % Copyright (C) 2001-2019 Artifex Software, Inc. % All Rights Reserved. % % This software is provided AS-IS with no warranty, either express or % implied. % % This software is distributed under license and may not be copied, % modified or distributed except as expressly authorized under the terms % of the license contained in the file LICENSE in this distribution. % % Refer to licensing information at http://www.artifex.com or contact % Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato, % CA 94945, U.S.A., +1(415)492-9861, for further information. % % uninfo.ps: Utilities for "printing" PostScript items, especially dictionaries % Usage: % (prefix-string) dict unprint % Maximum Print-Width /HSpwidth 80 def % any HScvs string /HScvs { % Number-Syntax dup type % stack: any /anytype dup /integertype eq 1 index /realtype eq or { pop 16 string cvs }{ % Logical-Type dup /booleantype eq { pop 5 string cvs }{ % Identifiers dup /nametype eq { pop dup length 1 add string dup 0 (/) putinterval exch 1 index 1 1 index length 1 sub getinterval cvs pop }{ % Strings dup /stringtype eq { pop % ------- Compute Length 2 1 index { % stack: str len item dup 32 lt 1 index 126 gt or { % need 4 pop 4 add }{ dup 40 eq 1 index 41 eq or 1 index 92 eq or { pop 2 add }{ pop 1 add } ifelse } ifelse } forall % ------- Allocate & Fill String string dup 0 (\() putinterval 1 3 -1 roll { % outstr pos item dup 32 lt 1 index 126 gt or { dup 7 le { 2 index 2 index (\\00) putinterval 8 3 index 3 index 3 add 1 getinterval cvrs }{ dup 63 le { 2 index 2 index (\\0) putinterval 8 3 index 3 index 2 add 2 getinterval cvrs }{ 2 index 2 index (\\) putinterval 8 3 index 3 index 1 add 3 getinterval cvrs } ifelse } ifelse pop 4 add }{ dup 40 eq 1 index 41 eq or 1 index 92 eq or { 2 index 2 index (\\) putinterval exch 1 add exch } if 2 index exch 2 index exch put 1 add } ifelse } forall 1 index exch (\)) putinterval }{ exch pop dup length 1 add string dup 0 (-) putinterval exch 1 index 1 1 index length 1 sub getinterval cvs pop dup dup length 4 sub (-) putinterval 0 1 index length 3 sub getinterval } ifelse } ifelse } ifelse } ifelse } bind def % int HSpindent - indent-spaces /HSpindent { dup 0 gt { 1 1 3 -1 roll { pop ( ) print } for }{ pop } ifelse } bind def % indent array HSaprint -> Print an Array /HSaprint { dup type /arraytype eq { ( [) print exch 1 add dup 1 add 3 -1 roll { % rind pos item HScvs dup length % rind pos str len dup 3 index add HSpwidth ge { (\n) print 3 index HSpindent 3 -1 roll pop 2 index add exch }{ ( ) print 2 index add 1 add 3 -1 roll pop exch } ifelse print } forall ( ]) print pop pop }{ ( ) print HScvs print pop } ifelse (\n) print } bind def % dict HSdnames dict names (creates sorted name-strings) /HSdnames { % Build namelist, stack: dic dup length 0 eq { [] }{ [ 1 index { pop dup type /nametype eq { dup length string cvs }{ pop } ifelse } forall ] % Sort the namelist, stack: dic nam 0 1 2 index length 2 sub { % stack: dic nam I 2 copy get % stack: pre dic nam I nam[I] 1 index 1 add 1 4 index length 1 sub { % stack: dic nam I nam[I] J 3 index 1 index get % dic nam I S[I] J S[J] 2 index 1 index gt { % swap them 4 index 2 index 4 index put 4 index 4 index 2 index put 3 1 roll } if pop pop } for pop pop } for } ifelse } bind def % string:prefix dict:which unprint /unprint { HSdnames % pre dic nam % compute the maximum length 0 1 index { % pre dic nam maxlen nam[I] length 2 copy lt { exch } if pop } forall % Print out all the items, stack: pre dic nam maxlen (\n) print exch { % pre dic maxlen nam[I] % no prefix yet, -> flush right 3 index length 0 eq { dup length 2 index exch sub HSpindent }{ 3 index print (/) print } ifelse % print the name dup print % prefix: fill up with blanks 3 index length 0 ne { dup length 2 index exch sub HSpindent } if % now print the item itself, stack: pre dic maxlen nam[I] 2 index 1 index cvn get dup type % stack: pre dic maxlen nam[i] item typ % Dict-Syntax dup /dicttype eq { pop % stack: pre dic maxlen nam[i] item ( ) print dup HScvs print 4 index length 0 eq { % brand new prefix 2 index string 0 1 5 index 1 sub { 1 index exch 32 put } for dup 4 index 4 index length sub 5 -1 roll putinterval }{ 4 index length 1 add 2 index length add string dup 0 7 index putinterval dup 6 index length (/) putinterval dup 6 index length 1 add 5 -1 roll putinterval } ifelse exch unprint }{ 3 -1 roll pop % tack: pre dic maxlen item typ % Array-Syntax dup /arraytype eq { pop % stack: pre dic maxlen item 3 index length dup 0 ne { 1 add } if 2 index add exch HSaprint }{ pop ( ) print HScvs print (\n) print } ifelse } ifelse } forall pop pop length -1 eq { (\n) print } if } bind def /currentpagedevice where { % check for currentpagedevice /currentpagedevice get exec () exch unprint } if
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