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author | Karl Berry <karl@freefriends.org> | 2021-09-19 21:23:39 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2021-09-19 21:23:39 +0000 |
commit | 9add405b71c9d16e9989a79cb3732b59e27e8377 (patch) | |
tree | f9b45be95611908e176932aa2cf18dfc9ec2e877 /Master/texmf-dist/tex/luatex/pdfextra/pdfextra.tex | |
parent | 2e35f211a96168b7a51de89304489ec5513f9716 (diff) |
pdfextra generic
git-svn-id: svn://tug.org/texlive/trunk@60553 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/luatex/pdfextra/pdfextra.tex')
-rw-r--r-- | Master/texmf-dist/tex/luatex/pdfextra/pdfextra.tex | 364 |
1 files changed, 364 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/luatex/pdfextra/pdfextra.tex b/Master/texmf-dist/tex/luatex/pdfextra/pdfextra.tex new file mode 100644 index 00000000000..cbbeca0c17d --- /dev/null +++ b/Master/texmf-dist/tex/luatex/pdfextra/pdfextra.tex @@ -0,0 +1,364 @@ +\ifdefined \pdfextraloaded \expandafter \endinput \fi +\chardef\pdfextraloaded=\catcode`\_ +\catcode`\_=11 + +\long\def \_xargs #1#2{\ifx #2;\else + \expandafter#1\expandafter#2\expandafter\_xargs \expandafter #1\fi} + +\def \_private {\_xargs \_privateA} +\def \_privateA #1{\expandafter\let\csname _\csstring #1\endcsname#1} + +% primitives +\_private \detokenize \expanded \hbox \ht \wd \dp \copy \immediateassignment ; +\_private \escapechar \baselineskip \quitvmode \lastnamedcs ; + +% +% prefixed.opm +% + +\_private \expandafter \def \let \ifx \else \fi \undefined \wlog \endinput ; + +\_let\_ea=\_expandafter + +\_def \_codedecl #1#2{% + \_ifx #1\_undefined \_wlog{#2}% + \_else \_ea \_endinput \_fi +} + +\_let \_endcode = \_endinput + +\_def \_wterm {\_immediate \_write16 } + +\_private \ifcsname \csname \endcsname \errmessage \gdef \csstring \directlua ; +\_let \_ea = \_expandafter + +% modified +\_def \_pkglabel{} +\_def\_namespace #1{% + \_ifcsname namesp:#1\_endcsname \_errmessage + {The name space "#1" is used already, it cannot be used twice}% + \_endinput + \_else \_resetnamespace{#1}\_fi +} +\_def\_resetnamespace #1{% + \_ea \_gdef \_csname namesp:#1\_endcsname {}% + \_gdef \_pkglabel{_#1}% + \_directlua{ + luatexbase.add_to_callback("process_input_buffer", + function (str) + return string.gsub(str, "\_nbb[.]([a-zA-Z])", "\_nbb _#1_\_pcent 1") + end, "_namespace") + }% +} +% modified +\_def\_endnamespace {% + \_directlua{ luatexbase.remove_from_callback("process_input_buffer", "_namespace") }% + \_gdef \_pkglabel{}% +} + +\_def \_nspublic {\_xargs \_nspublicA} +\_def \_nspublicA #1{% + \_unless\_ifx #1\_undefined + \_opwarning{\_ea\_ignoreit\_pkglabel\_space redefines the meaning of \_string#1}\_fi + \_ea\_let \_ea#1\_csname \_pkglabel _\_csstring #1\_endcsname +} + +% modified +\_def \_public {\_xargs \_publicA} +\_def \_publicA #1{\_ea\_let \_ea#1\_csname _\_csstring #1\_endcsname} + +% +% basic-macros.opm +% + +\_private \bgroup \egroup \empty \space \null \long ; + +\_long\_def \_ignoreit #1{} +\_long\_def \_useit #1{#1} +\_long\_def \_ignoresecond #1#2{#1} +\_long\_def \_usesecond #1#2{#2} + +\_private \the \inputlineno \edef ; + +\_def \_opwarning #1{\_wterm{WARNING l.\_the\_inputlineno: pdfextra: #1.}} + +\_edef \_bslash {\_csstring\\} +\_edef \_pcent {\_csstring\%} +\_edef \_nbb {\_bslash\_bslash} + +\_private \xdef \begincsname ; + +\_def \_sdef #1{\_ea\_def \_csname#1\_endcsname} +\_def \_sxdef #1{\_ea\_xdef \_csname#1\_endcsname} +\_def \_slet #1#2{\_ea\_let \_csname#1\_ea\_endcsname + \_ifcsname#2\_ea\_endcsname \_begincsname#2\_endcsname \_else \_undefined \_fi +} + +% Make \sdef public, so users can customize without messing with catcodes. +\_public \sdef ; + +\_def \_cs #1{\_csname#1\_endcsname} +\_def \_trycs#1#2{\_ifcsname #1\_endcsname \_csname #1\_ea\_endcsname \_else #2\_fi} + +\_long\_def \_addto #1#2{\_ea\_def\_ea#1\_ea{#1#2}} + +\_private \global \advance ; + +\_def\_incr #1{\_global\_advance#1by1 } +\_def\_decr #1{\_global\_advance#1by-1 } + +\_private \immediate \closeout \jobname ; + +% modified +\_def\_byehook{% + \_immediate\_closeout\_reffile + \_edef\_tmp{\_mdfive{\_jobname.ref}}% + \_ifx\_tmp\_prevrefhash\_else \_opwarning{Try to rerun, + \_jobname.ref file was \_ifx\_prevrefhash\_empty created\_else changed\_fi}\_fi +} + +% +% alloc.opm +% + +\_private \newcount ; + +% +% if-macros.opm +% + +\_def\_afterfi#1#2\_fi{\_fi#1} + +\_private \unless ; + +\_def\_isdefined #1#2{\_ifcsname #1\_endcsname \_else \_ea\_unless \_fi #2} + +\_private \newread \openin \relax \ifeof \closein ; + +\_newread \_testin +\_def\_isfile #1{% + \_immediate\_openin\_testin ={#1}\_relax + \_ifeof\_testin \_ea\_unless + \_else \_immediate\_closein\_testin + \_fi +} + +\_private \begingroup \toks \endgroup \futurelet ; + +\_long\_def\_isnextchar#1#2#3{\_begingroup\_toks0={\_endgroup#2}\_toks1={\_endgroup#3}% + \_let\_tmp= #1\_futurelet\_next\_isnextcharA +} +\_def\_isnextcharA{\_the\_toks\_ifx\_tmp\_next0\_else1\_fi\_space} + +% +% more-macros.opm +% + +\_private \string \newtoks \romannumeral ; + +\_def\_optdef#1[#2]{% + \_def#1{\_opt={#2}\_isnextchar[{\_cs{_oA:\_string#1}}{\_cs{_oB:\_string#1}}}% + \_sdef{_oA:\_string#1}[##1]{\_opt={##1}\_cs{_oB:\_string#1\_nospaceafter}}% + \_sdef{_oB:\_string#1\_nospaceafter}% +} +\_def\_nospaceafter#1{\_ea#1\_romannumeral-`\.} +\_newtoks\_opt + +\_private \noexpand \catcode \toksapp ; + +\_newtoks\_tmptoks +% modified +\_edef\_tmp{\_noexpand\_catcode`!=\_the\_catcode`! \_noexpand\_catcode`?=\_the\_catcode`?} +\_catcode`!=3 \_catcode`?=3 +\_def\_replstring #1#2#3{% \replstring #1{stringA}{stringB} + \_long\_def\_replacestringsA##1#2{\_tmptoks{##1}\_replacestringsB}% + \_long\_def\_replacestringsB##1#2{\_ifx!##1\_relax \_else \_toksapp\_tmptoks{#3##1}% + \_ea\_replacestringsB\_fi}% + \_ea\_replacestringsA #1?#2!#2% + \_long\_def\_replacestringsA##1?{\_tmptoks{##1}\_edef#1{\_the\_tmptoks}}% + \_ea\_replacestringsA \_the\_tmptoks} +\_tmp % modified + +% modified (no \_skiptoeol) +\_long\_def\_doc #1\_cod{} + +% +% keyval.opm +% + +\_def\_readkv#1{\_ea\_def\_ea\_tmpb\_ea{#1}% + \_replstring\_tmpb{= }{=}\_replstring\_tmpb{ =}{=}% + \_replstring\_tmpb{, }{,}\_replstring\_tmpb{,,}{,}% + \_ea \_kvscan \_tmpb,,=,} +\_def\_kvscan #1#2=#3,{\_ifx#1,\_else \_sdef{_kv:#1#2}{#3}\_ea\_kvscan\_fi} +\_def\_kv#1{\_trycs{_kv:#1}{\_kvunknown}} +\_def\_kvunknown{???} + +% +% ref-file.opm +% + +\_private \newwrite \write \iftrue \iffalse \input ; + +% modified +\_newwrite\_reffile +\_def\_inputref {% + \_isfile{\_jobname.ref}\_iftrue + \_edef\_prevrefhash{\_mdfive{\_jobname.ref}}% + \_input {\_jobname.ref}% + \_openref + \_fi +} + +\_private \luaescapestring ; + +% modified +\_def\_mdfive#1{\_directlua{ + local fh = io.open("\_luaescapestring{#1}", "rb") + if fh then + local data = fh:read("*a") + fh:close() + tex.print(md5.sumhexa(data)) + end +}} +\_def\_prevrefhash{} + +\_def\_wrefrelax#1#2{} +\_let\_wref=\_wrefrelax + +\_private \openout ; + +% modified +\_def\_openref {% + \_immediate\_openout\_reffile={\_jobname.ref}\_relax + \_gdef\_wref ##1##2{\_write\_reffile{\_bslash\_csstring##1##2}}% + \_immediate\_write\_reffile {\_pcent\_pcent\_space pdfextra - REF file}% + \_gdef\_openref{}% +} +\_def\_ewref #1#2{\_edef\_ewrefA{#2}\_ea\_wref\_ea#1\_ea{\_ewrefA}} + +\_private \ifnum ; + +\_def\_refdecl{\_bgroup \_catcode`\#=12 \_refdeclA} +\_def\_refdeclA #1{\_egroup\_openref + \_immediate\_write\_reffile {\_pcent\_space \_string \refdecl:}% + \_immediate\_write\_reffile {\_detokenize{#1}}% +} + +% +% hyperlinks.opm +% + +\_def\_pdfborder#1{\_ifcsname _#1border\_endcsname + /C [\_csname _#1border\_endcsname] /Border [0 0 .6]\_else /Border [0 0 0]\_fi +} + +% modified +\_def\_hyperlinks#1#2{% + \_let\_ilinkcolor=#1\_empty + \_let\_elinkcolor=#2\_empty +} +\_public \hyperlinks ; + +% +% pdfuni-string.opm +% + +% modified +\_def\_pdfunidef#1#2{% + \_edef\_tmp{#2}% + \_def#1{\_directlua{ + local str = token.scan_string() + local out = { "<FEFF" } + for _, c in utf8.codes(str) do + if c < 0x10000 then + out[\_csstring\#out+1] = string.format("\_pcent04X", c) + else + c = c - 0x10000 + local high = c >> 10 + 0xD800 + local low = c \_csstring\& 0x3FF + 0xDC00 + out[\_csstring\#out+1] = string.format("\_pcent04X\_pcent04X", high, low) + end + end + out[\_csstring\#out+1] = ">" + tex.print(table.concat(out, ""))}\_ea{\_tmp}% +}} + +% +% optex.lua +% + +\_private \setbox ; + +% modified +\_def\_preshipout#1#2{\_setbox#1#2} + +% +% luatex-ini.opm +% + +\_private \protected \pdfextension \pdffeedback \pdfvariable ; +\_private \numexpr \saveboxresource \lastsavedboxresourceindex ; + +\_protected\_def \_pdfobj {\_pdfextension obj } +\_protected\_def \_pdfrefobj {\_pdfextension refobj } +\_protected\_def \_pdflastobj {\_numexpr\_pdffeedback lastobj\_relax} +\_protected\_def \_pdfstartlink {\_pdfextension startlink } +\_protected\_def \_pdfendlink {\_pdfextension endlink\_relax} +\_protected\_def \_pdfcatalog {\_pdfextension catalog } +\_protected\_edef\_pdfpageattr {\_pdfvariable pageattr} +\_protected\_def \_pdfnames {\_pdfextension names } +\_protected\_def \_pdfannot {\_pdfextension annot } +\_protected\_def \_pdflastannot {\_numexpr\_pdffeedback lastannot\_relax} + \_def \_pdfpageref {\_pdffeedback pageref} + \_let \_pdfxform \_saveboxresource + \_let \_pdflastxform \_lastsavedboxresourceindex + +% +% output.opm +% + +\_let\_oldshipout=\shipout +\_def\shipout{\_begoutput\_oldshipout} + +% modified +\_newcount\_gpageno +\_def \_begoutput{\_incr\_gpageno + % we try \folio, or nothing ({}), pdfextra only uses \gpageno + \_immediate\_wref\_Xpage{{\_the\_gpageno}{\_trycs{folio}{}}}% +} + +% +% references.opm +% + +% modified +\_def\_Xpage#1#2{\_def\_currpage{{#1}{#2}}} + +% +% colors.opm +% + +% modified +\_let\_localcolor\_relax + +% +% \_byehook and \_inputref +% + +\_private \ifdefined ; + +\_ifdefined\AtEndDocument + % make sure all pages (and write whatsits) are flushed before we close files + \AtEndDocument{\clearpage\_byehook}% +\_else + % hope that usual \bye (\outer\def\bye{\par\vfill\supereject\end}) is used + \_let\_end\end + \_def\end{\_byehook \_end}% +\_fi + +\_inputref + +% continue with the real macros +\_input pdfextra.opm +\_catcode`\_=\pdfextraloaded |