From 1a40f770e3b347a3e2527def60dead0be4d240b3 Mon Sep 17 00:00:00 2001 From: Akira Kakuto Date: Wed, 21 Apr 2021 22:09:14 +0000 Subject: Apply a patch for Bug 703783 "Segmentation fault with named ANN pdfmark" git-svn-id: svn://tug.org/texlive/trunk@58941 c570f23f-e606-0410-a88d-b1316a301751 --- Master/tlpkg/tlgs/lib/pdf_info.ps | 155 +++++++++++++++++++++++++++++++------- 1 file changed, 129 insertions(+), 26 deletions(-) (limited to 'Master/tlpkg/tlgs/lib/pdf_info.ps') diff --git a/Master/tlpkg/tlgs/lib/pdf_info.ps b/Master/tlpkg/tlgs/lib/pdf_info.ps index 0b4654ab073..35951e9a736 100644 --- a/Master/tlpkg/tlgs/lib/pdf_info.ps +++ b/Master/tlpkg/tlgs/lib/pdf_info.ps @@ -1,5 +1,5 @@ %!PS -% Copyright (C) 2001-2020 Artifex Software, Inc. +% Copyright (C) 2001-2021 Artifex Software, Inc. % All Rights Reserved. % % This software is provided AS-IS with no warranty, either express or @@ -69,6 +69,81 @@ cleartomark % discard the dict from --where-- % ---- No more executable code on the top level after this line ----- % ---- except 2 lines at the very end ----- +% Write a character to the standard output. +/putchar [ % int -> - + (%stdout) (w) file + /exch cvx /write cvx +] cvx bind def + +% Write U+xxxx to the standard output as UTF-8. +/put-ucode { % int -> - + dup 16#80 ge { + dup 16#800 ge { + dup 16#10000 ge { + dup -18 bitshift 16#f0 or putchar + dup -12 bitshift 16#3f and 16#80 or putchar + } { + dup -12 bitshift 16#e0 or putchar + } ifelse + dup -6 bitshift 16#3f and 16#80 or putchar + } { + dup -6 bitshift 16#C0 or putchar + } ifelse + 16#3f and 16#80 or + } if + putchar +} bind def + +% PDFDocEncoding to U+xxxx decoding table. +/doc-to-ucode [ + 0 1 23 {} for + 16#2d8 16#2c7 16#2c6 16#2d9 16#2dd 16#2db 16#2da 16#2dc + 32 1 127 {} for + 16#2022 16#2020 16#2021 16#2026 16#2014 16#2013 16#192 + 16#2044 16#2039 16#203a 16#2212 16#2030 16#201e 16#201c + 16#201d 16#2018 16#2019 16#201a 16#2122 16#fb01 16#fb02 + 16#141 16#152 16#160 16#178 16#17d 16#131 16#142 16#153 + 16#161 16#17e 0 16#20ac + 161 1 255 {} for +] readonly def + +% Convert a doc string from PDFDocEncoding or UTF-16BE to UTF-8 +% and write it to standard output. +/write-doc-string { % (string) -> - + 1024 string cvs anchorsearch { + pop + 0 exch % hi16 (str) + 0 2 2 index length 2 sub { + 2 copy 2 copy % hi16 (str) i (str) i (str) i + get 256 mul 3 1 roll % hi16 (str) i hi*256 (str) i + 1 add get add % hi16 (str) i 256*hi+lo + dup 16#fc00 and dup % hi16 (str) i 256*hi+lo tag tag + 16#d800 eq { % High surrogate + pop + 16#3ff and + 10 bitshift + 16#10000 add % hi16 (str) i hi16' + 4 1 roll % hi16' hi16 (str) i + pop exch pop % hi16' (str) + } { + 16#dc00 eq { % Low surrogate + 16#3ff and % hi16 (str) i (256*hi+lo)&0x3ff + 4 -1 roll add % (str) i (256*hi+lo)&0x3ff+hi16 + put-ucode % (str) i + pop 0 exch % 0 (str) + } { % BMP plane + put-ucode % hi16 (str) i + pop % hi16 (str) + } ifelse + } ifelse + } for + pop pop % - + } { + { //doc-to-ucode exch get put-ucode + } forall + } ifelse +} bind def + %% When checking Resources for Font objects, we must ensure that we don't end %% up following a circular reference. Circular references in Resources should %% not, of course, be present but we've seen a number of cases. If we do detect @@ -92,19 +167,6 @@ cleartomark % discard the dict from --where-- } ifelse } bind def -/printXML { % printXML - - % print non-blank lines without trailing spaces - dup dup length 1 sub -1 0 { - 1 index 1 index get 32 eq { - 0 exch getinterval exch - } { - exch = exit % non-blank on this line - } - ifelse - } for - pop pop % clean up -} bind def - /dump-pdf-info { % (fname) -> - () = ( ) print print ( has ) print PDFPageCount dup =print 10 mod 1 eq { ( page.\n) } { ( pages\n) } ifelse = flush @@ -120,24 +182,24 @@ cleartomark % discard the dict from --where-- pop Trailer /Root oget /Metadata knownoget { //false resolvestream - { dup 256 string readline exch printXML not { exit } if } loop + { dup 256 string readstring exch print not { exit } if } loop pop % done with the stream - (_____________________________________________________________) = + (\n_____________________________________________________________) = flush } if } if % Print out the "Info" dictionary if present Trailer /Info knownoget { - dup /Title knownoget { (Title: ) print = flush } if - dup /Author knownoget { (Author: ) print = flush } if - dup /Subject knownoget { (Subject: ) print = flush } if - dup /Keywords knownoget { (Keywords: ) print = flush } if - dup /Creator knownoget { (Creator: ) print = flush } if - dup /Producer knownoget { (Producer: ) print = flush } if - dup /CreationDate knownoget { (CreationDate: ) print = flush } if - dup /ModDate knownoget { (ModDate: ) print = flush } if - dup /Trapped knownoget { (Trapped: ) print = flush } if + dup /Title knownoget { (Title: ) print write-doc-string () = flush } if + dup /Author knownoget { (Author: ) print write-doc-string () = flush } if + dup /Subject knownoget { (Subject: ) print write-doc-string () = flush } if + dup /Keywords knownoget { (Keywords: ) print write-doc-string () = flush } if + dup /Creator knownoget { (Creator: ) print write-doc-string () = flush } if + dup /Producer knownoget { (Producer: ) print write-doc-string () = flush } if + dup /CreationDate knownoget { (CreationDate: ) print write-doc-string () = flush } if + dup /ModDate knownoget { (ModDate: ) print write-doc-string () = flush } if + dup /Trapped knownoget { (Trapped: ) print write-doc-string () = flush } if pop } if @@ -174,9 +236,27 @@ cleartomark % discard the dict from --where-- pop ( Page contains Annotations) print } if - pageusestransparency { + dup pageusestransparency { ( Page uses transparency features) print } if + dup pagespotcolors + dup length 0 gt { + (\n Page Spot colors: ) = + << /Black 0 /Cyan 0 /Magenta 0 /Yellow 0 >> exch + { + pop % discard the value + 1 index 1 index known not { % check if colorant is a standard one + ( ) print + (') print =print (') = + } { + pop % ignore this standard colorant + } ifelse + } forall + pop % discard dict of standard colorants + } { + pop + } ifelse + pop % done with pagedict () = flush } { @@ -193,6 +273,7 @@ cleartomark % discard the dict from --where-- ] def /res-type-dict 10 dict begin + /Font { { exch pop oforce_no_circular @@ -318,6 +399,28 @@ currentdict /res-type-dict undef currentdict /ProcessedResources undef } bind def +% If running with -dSAFER, .sort may not be present. Define a (slower) PS alternative +systemdict /.sort known not { +% .sort + /.sort + { 1 index length 1 sub -1 1 + { 2 index exch 2 copy get 3 copy % arr proc arr i arr[i] arr i arr[i] + 0 1 3 index 1 sub + { 3 index 1 index get % arr proc arr i arr[i] arr imax amax j arr[j] + 2 index 1 index 10 index exec + { % ... amax < arr[j] + 4 2 roll + } + if pop pop + } + for % arr proc arr i arr[i] arr imax amax + 4 -1 roll exch 4 1 roll put put + } + for + pop + } bind def +} if + /dump-fonts-used { % dump-fonts-used - % If DumpFontsUsed is not true, then remove the 'standard' fonts from the list systemdict /DumpFontsUsed known not { -- cgit v1.2.3