% Copyright (C) 1991, 1993 Aladdin Enterprises. All rights reserved. % % This file is part of Ghostscript. % % Ghostscript is distributed in the hope that it will be useful, but % WITHOUT ANY WARRANTY. No author or distributor accepts responsibility % to anyone for the consequences of using it or for whether it serves any % particular purpose or works at all, unless he says so in writing. Refer % to the Ghostscript General Public License for full details. % % Everyone is granted permission to copy, modify and redistribute % Ghostscript, but only under the conditions described in the Ghostscript % General Public License. A copy of this license is supposed to have been % given to you along with Ghostscript so you can know your rights and % responsibilities. It should be in a file named COPYING. Among other % things, the copyright notice and this notice must be preserved on all % copies. % gslp.ps - format and print text % This utility provides functionality approximately equivalent to the Unix % `enscript' program. It prints plain text files using a single font. % It currently handles tabs and formfeeds, but not backspaces. % It only works with fixed-pitch fonts. % Standard flags implemented: % -12BclqRr -b -f -F -L -p % Sun flags implemented: % -T set tab width % Flags ignored: % -GghKkmow -# -C -d -J -n -P -S -s -t -v % Flags added: % --detect % treats the file as PostScript if it starts with %! % --(heading|footing)-(left|center|right) % sets the heading/footing fields; use -B first to clear % --first-page % sets the first page to print % --last-page % sets the last page to print % --spacing % for double (n=2), triple (n=3), etc. spacing % Also, the string %# in a heading or footing is replaced with the page #. /PageNumberString (%#) def /lpdict 150 dict def lpdict begin % Define the initial values of the printing parameters. /BodyFont null def % use default /defaultBodyFont { /Courier findfont Landscape { 7 } { 10 } ifelse scalefont } def /Columns 1 def /DetectFileType false def /Footers false def /FootingLeft () def /FootingCenter () def /FootingRight () def /Headers true def /HeadingLeft () def /HeadingCenter () def /HeadingRight (page ) PageNumberString concatstrings def /HeadingFont null def % use default /defaultHeadingFont { /Courier-Bold findfont 10 scalefont } def /Landscape false def /MarginBottom 36 def % 1/2" /MarginLeft 36 def % 1/2" /MarginRight 36 def % 1/2" /MarginTop 36 def % 1/2" /MaxLines 9999 def % max lines per page /Noisy true def % i.e., not quiet /OutFile null def % null = write directly to device /PageFirst 1 def /PageLast 99999 def /Spacing 1 def /Tab 8 def /Truncate false def % wrap long lines, don't truncate % When writing to a file, we want to write out PostScript; % when writing to the printer, we want to execute it; % some commands should be executed regardless. % lpexec provides for all this. /lpexec % ... lpexec - { OutFile null eq { pop 1 add true } { /t exch def 1 add /n exch def cvx n { n -1 roll dup wosp } repeat OutFile (\n) writestring n t } ifelse { pop load exec } { { pop } repeat } ifelse } def /lpmoveto { /moveto 2 true lpexec } def /lpshow { dup length 0 ne { /show 1 false lpexec } { pop } ifelse } def /lpsetmyfont { dup load setfont OutFile null ne { cvx /setfont 1 false lpexec } { pop } ifelse } def % Define some utility procedures. /banner % ypos left center right { /HFont lpsetmyfont 3 -1 roll bannerstring pop 0 4 index pwidth showline2 pop exch bannerstring pwidth exch sub 2 div 3 index pwidth showline2 pop bannerstring pwidth exch sub 3 -1 roll pwidth showline2 pop } def /bannerstring % string -> string width { PageNumberString search { exch pop pindex 4 string cvs concatstrings exch concatstrings } if dup stringwidth pop } def /beginpage { /lindex 0 def /skipping pindex PageFirst ge pindex PageLast le and not def /save 0 true lpexec /pagesave exch def skipping { nulldevice /OutFile null def } if Headers { lheight hdescent add HeadingLeft HeadingCenter HeadingRight banner } if /BFont lpsetmyfont } def /endpage { lindex 0 ne { Footers { topskip plength sub hdescent add FootingLeft FootingCenter FootingRight banner } if /showpage 0 false lpexec } if pagesave /restore 0 true lpexec /pindex pindex 1 add def } def /fontheight % fontheight { gsave setfont newpath 0 0 moveto (|^_j) false charpath pathbbox exch pop dup 2 index sub 4 -2 roll pop pop grestore exch 1.25 mul exch 1.25 mul } def /wosp { OutFile ( ) writestring OutFile exch write==only } def /outfont % name font -> { OutFile null ne { exch wosp dup /FontName get wosp OutFile ( findfont) writestring /FontMatrix get 0 get 1000 mul round cvi wosp OutFile ( scalefont def\n) writestring } { pop pop } ifelse } def /StringFF (\f) def /CharFF StringFF 0 get def /StringTAB (\t) def /CharTAB StringTAB 0 get def /showline % line -> leftover_line (handles \f) { { showline1 dup length 0 eq { exit } if dup 0 get CharFF ne { exit } if endpage beginpage skip1 } loop } def /showline1 % line -> leftover_line (handles page break) { lindex llength eq { endpage beginpage } if lindex colines idiv cowidth mul % x lindex colines mod 1 add lheight mul neg fascent sub % y 1 index cowidth add showline2 /lindex lindex 1 add def } def /showline2 % string x y xlimit -> leftover_string (handles tabs) { 2 index exch 5 2 roll lpmoveto % xinit xlimit string { showline3 dup length 0 eq { exit } if dup 0 get CharTAB ne { exit } if currentpoint exch 4 index sub tabwx div 0.05 add ceiling tabwx mul 4 index add exch lpmoveto skip1 currentpoint pop 2 index ge { exit } if } loop exch pop exch pop } def /showline3 % xlimit string -> xlimit leftover_string % (finds line break / tab / formfeed) { currentpoint pop 2 index exch sub cwx div 0.1 add cvi 0 max 1 index length min 1 index 0 3 -1 roll getinterval % look for \f or \t StringFF search { exch pop exch pop } if StringTAB search { exch pop exch pop } if dup lpshow length dup 2 index length exch sub getinterval } def /skip1 { dup length 1 sub 1 exch getinterval } def % The main printing procedure /lp % file initial_chars -> { /lpline exch def /lpfile exch def /save 0 true lpexec % Initialize the device and fonts. /BFont BodyFont null eq { defaultBodyFont } { BodyFont } ifelse def /BFont BFont outfont Headers Footers or { /HFont HeadingFont null eq { defaultHeadingFont } { HeadingFont } ifelse def /HFont HFont outfont } if % Get the layout parameters. clippath Landscape { -90 /rotate 1 true lpexec } if BFont setfont ( ) stringwidth pop /cwx exch def cwx Tab mul /tabwx exch def BFont fontheight /fheight exch def /fascent exch def Headers Footers or { HFont fontheight } { 0 0 } ifelse /hheight exch def /hascent exch def /hdescent hheight hascent sub def fheight Spacing mul /lheight exch def Headers { hheight lheight add } { 0 } ifelse /topskip exch def Footers { hheight lheight add } { 0 } ifelse /botskip exch def /pskip topskip botskip add def % Translate the page so that (0,0) corresponds to % the top of the topmost body line. pathbbox 2 index sub MarginBottom MarginTop add sub /plength exch def 2 index sub MarginLeft MarginRight add sub /pwidth exch def pwidth Columns div /cowidth exch def exch MarginLeft add exch MarginBottom add plength add topskip sub /translate 2 true lpexec plength pskip sub lheight div cvi MaxLines min dup /colines exch def Columns mul /llength exch def OutFile null ne { nulldevice } if % Print layout Noisy { (Page height = ) print llength =only (.\n) print flush } if % Disable stack recording so we can use stopped with readline. $error /recordstacks false put % Initialize for the first page. /lbuf 1000 string def /pindex 1 def beginpage % Iterate through the file. lpline { dup length /pos exch def lbuf exch 0 exch putinterval { lpfile lbuf pos lbuf length pos sub getinterval readline } stopped { % Filled the line before a CR or EOF. exch pop showline } { % Reached CR and/or EOF first. exch length pos add lbuf exch 0 exch getinterval 1 index { showline } if % omit final empty line { dup length 0 eq Truncate or { pop () exit } if showline } loop exch not { exit } if } ifelse } loop pop % Wrap up. endpage /restore 0 true lpexec } def end % Usage: lp % prints using the current parameter settings. % Usage: [ ... ] lpcommand % interprets args like a command line. /lp { save lpdict begin () lp end restore } def lpdict begin /splitfn % (FontNNN) -> { dup /arg exch def length { dup 0 le { exit } if dup 1 sub arg exch get dup 48 ge exch 59 le and not { exit } if 1 sub } loop arg exch 0 exch getinterval dup cvn findfont exch arg exch anchorsearch pop pop cvr scalefont } def % Parse the command line switches. /doswitch % argn ... arg1 (-?) restofswitch -> { exch dup cvn lpdict exch known { cvn load exec } { exch pop (Unknown switch: ) print print (\n) print flush } ifelse } def /more % argn ... arg1 restofswitch -> { dup length 0 ne { (- ) dup 1 3 index 0 get put exch dup length 1 sub 1 exch getinterval doswitch } { pop } ifelse } def /-- { (--) exch concatstrings dup cvn lpdict exch known { cvn load exec } { (Unknown switch: ) print print (\n) print flush } ifelse } def /--columns { cvi 1 max /Columns exch def } def /--detect { /DetectFileType true def } def /--first-page { cvi /PageFirst exch def } def /--footing-center { /FootingCenter exch def /Footers true def } def /--footing-left { /FootingLeft exch def /Footers true def } def /--footing-right { /FootingRight exch def /Footers true def} def /--heading-center { /HeadingCenter exch def /Headers true def } def /--heading-left { /HeadingLeft exch def /Headers true def } def /--heading-right { /HeadingRight exch def /Headers true def } def /--margin-bottom { cvr 72.0 mul /MarginBottom exch def } def /--margin-left { cvr 72.0 mul /MarginLeft exch def } def /--margin-right { cvr 72.0 mul /MarginRight exch def } def /--margin-top { cvr 72.0 mul /MarginTop exch def } def /--last-page { cvi /PageLast exch def } def /--spacing { cvr /Spacing exch def } def /-# { pop } def % ignore /-+ { -- } def (-1)cvn { /Columns 1 def more } def (-2)cvn { /Columns 2 def more } def /-b { /HeadingLeft exch def /HeadingCenter () def /HeadingRight PageNumberString def /Headers true def /break true def } def /-B { /HeadingLeft () def /HeadingCenter () def /HeadingRight () def /Headers false def /FootingLeft () def /FootingCenter () def /FootingRight () def /Footers false def /break true def more } def /-C { pop } def % ignore /-c { /Truncate true def more } def /-d { pop } def % ignore /-f { splitfn /BodyFont exch def } def /-F { splitfn /HeadingFont exch def } def /-G { more } def % ignore /-g { more } def % ignore /-h { more } def % ignore /-J { pop } def % ignore /-K { more } def % ignore /-k { more } def % ignore /-l { 66 -L -B } def /-L { cvi /MaxLines exch def } def /-m { more } def % ignore /-n { pop } def % ignore /-o { more } def % ignore /-p { (w) file /OutFile exch def OutFile (%!\n) writestring } def /-P { pop } def % ignore /-q { /Noisy false def more } def /-r { /Landscape true def more } def /-R { /Landscape false def more } def /-S { pop } def % ignore /-s { pop } def % ignore /-T { cvi /Tab exch def } def /-v { pop } def % ignore /-w { more } def % ignore /lp1 % filename -> { break not { dup /HeadingLeft exch def } if Noisy { (Printing ) print dup print (\n) print flush } if (r) file % If requested, check for a PostScript file. DetectFileType { dup 2 string readstring pop dup (%!) eq { % Yes, it's a PostScript file. pop dup 80 string readline pop pop cvx exec } { lp } ifelse } { () lp } ifelse } bind def /lpcstring 100 string def end /lpcommand % [arg1 ... argn] -> - { % Push the commands on the stack in reverse order mark exch dup length 1 sub -1 0 { 1 index exch get exch } for pop lpdict begin /break false def { dup mark eq { pop exit } if dup length 2 ge { dup 0 get (-) 0 get eq } { false } ifelse { dup 0 2 getinterval exch dup length 2 sub 2 exch getinterval doswitch } { dup /matched false def { /matched true def lp1 } lpcstring filenameforall matched { pop } { lp1 } ifelse % let the error happen } ifelse } loop OutFile null ne { OutFile (%stdout) (w) file ne { OutFile closefile } if /OutFile null def } if end } def [ shellarguments { ] dup length 0 ne { lpcommand } { (Usage: gslp [-12BclqRr] [-b] [-F]\n) print ( [-L] [-p] [-T] [--columns ]\n) print ( [--detect] [--first-page ] [--last-page ]\n) print ( [--(heading|footing)-(left|right|center) ]\n) print ( [--margin-(top|bottom|left|right) ]\n) print ( [--spacing ] file1 ... filen\n) print flush } ifelse } { pop } ifelse