File:  [gforth] / gforth / wf.fs
Revision 1.24: download - view: text, annotated - select for diffs
Mon Feb 2 14:15:23 2004 UTC (15 years, 4 months ago) by pazsan
Branches: MAIN
CVS tags: HEAD
Fixed tagged occurences of < and &

    1: \ wiki forth
    2: 
    3: \ Copyright (C) 2003 Free Software Foundation, Inc.
    4: 
    5: \ This file is part of Gforth.
    6: 
    7: \ Gforth is free software; you can redistribute it and/or
    8: \ modify it under the terms of the GNU General Public License
    9: \ as published by the Free Software Foundation; either version 2
   10: \ of the License, or (at your option) any later version.
   11: 
   12: \ This program is distributed in the hope that it will be useful,
   13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
   14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   15: \ GNU General Public License for more details.
   16: 
   17: \ You should have received a copy of the GNU General Public License
   18: \ along with this program; if not, write to the Free Software
   19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   20: 
   21: require string.fs
   22: 
   23: : -scan ( addr u char -- addr' u' )
   24:   >r  BEGIN  dup  WHILE  1- 2dup + c@ r@ =  UNTIL  THEN
   25:   rdrop ;
   26: : -$split ( addr u char -- addr1 u1 addr2 u2 )
   27:   >r 2dup r@ -scan 2dup + c@ r> = negate over + >r
   28:   2swap r> /string ;
   29: : parse" ( -- addr u ) '" parse 2drop '" parse ;
   30: 
   31: \ tag handling
   32: 
   33: : .' '' parse postpone SLiteral postpone type ; immediate
   34: : s' '' parse postpone SLiteral ; immediate
   35: 
   36: Variable indentlevel
   37: Variable tag-option
   38: s" " tag-option $!
   39: 
   40: : .type ( addr u -- )
   41:     bounds ?DO  I c@
   42: 	case
   43: 	    '& of  ." &amp;"  endof
   44: 	    '< of  ." &lt;"   endof
   45: 	    dup emit
   46: 	endcase
   47:     LOOP ;
   48: 
   49: : tag ( addr u -- ) '< emit type tag-option $@ type '> emit
   50:     s" " tag-option $! ;
   51: : tag/ ( addr u -- )  s"  /" tag-option $+! tag ;
   52: : /tag ( addr u -- ) '< emit '/ emit type '> emit ;
   53: : tagged ( addr1 u1 addr2 u2 -- )  2dup 2>r tag .type 2r> /tag ;
   54: 
   55: : opt ( addr u opt u -- )  s"  " tag-option $+!
   56:     tag-option $+! s' ="' tag-option $+! tag-option $+!
   57:     s' "' tag-option $+! ;
   58: : href= ( addr u -- )  s" href" opt ;
   59: : id= ( addr u -- )  s" id" opt ;
   60: : src=  ( addr u -- )  s" src" opt ;
   61: : alt=  ( addr u -- )  s" alt" opt ;
   62: : width=  ( addr u -- )  s" width" opt ;
   63: : height=  ( addr u -- )  s" height" opt ;
   64: : align= ( addr u -- ) s" align" opt ;
   65: : class= ( addr u -- ) s" class" opt ;
   66: : indent= ( -- )
   67:     indentlevel @ 0 <# #S 'p hold #> class= ;
   68: : mailto: ( addr u -- ) s'  href="mailto:' tag-option $+!
   69:     tag-option $+! s' "' tag-option $+! ;
   70: 
   71: \ environment handling
   72: 
   73: Variable end-sec
   74: Variable oldenv
   75: Variable envs 30 0 [DO] 0 , [LOOP]
   76: 
   77: : env$ ( -- addr ) envs dup @ 1+ cells + ;
   78: : env ( addr u -- ) env$ $! ;
   79: : env? ( -- ) envs @ oldenv @
   80:     2dup > IF  env$ $@ tag  THEN
   81:     2dup < IF  env$ cell+ $@ /tag  env$ cell+ $off  THEN
   82:     drop oldenv ! ;
   83: : +env  1 envs +! ;
   84: : -env end-sec @ envs @ 2 > or  IF  -1 envs +! env?  THEN ;
   85: : -envs envs @ 0 ?DO  -env cr  LOOP ;
   86: : >env ( addr u -- ) +env env env? ;
   87: 
   88: \ alignment
   89: 
   90: Variable table-format
   91: Variable table#
   92: Variable table-start
   93: 
   94: : >align ( c -- )
   95:     CASE
   96: 	'l OF  s" left"      class=  ENDOF
   97: 	'r OF  s" right"     class=  ENDOF
   98: 	'c OF  s" center"    align=  ENDOF
   99: 	'< OF  s" left"      class=  ENDOF
  100: 	'> OF  s" right"     class=  ENDOF
  101: 	'= OF  s" center"    align=  ENDOF
  102: 	'~ OF  s" absmiddle" align=  ENDOF
  103:     ENDCASE ;
  104: 
  105: : >talign ( c -- )
  106:     CASE
  107: 	'l OF  s" left"   align=  ENDOF
  108: 	'r OF  s" right"  align=  ENDOF
  109: 	'c OF  s" center" align=  ENDOF
  110: 	'< OF  s" left"   align=  ENDOF
  111: 	'> OF  s" right"  align=  ENDOF
  112: 	'= OF  s" center" align=  ENDOF
  113: 	digit? IF  0 <# #S #> s" rowspan" opt
  114: 	    table# @ 1+ table-start ! THEN 0
  115:     ENDCASE ;
  116: 
  117: : >border ( c -- )
  118:     case
  119: 	'- of  s" border0" class= endof
  120: 	'+ of  s" border1" class= endof
  121:     endcase ;
  122: 
  123: \ image handling
  124: 
  125: Create imgbuf $20 allot
  126: 
  127: Create pngsig $89 c, $50 c, $4E c, $47 c, $0D c, $0A c, $1A c, $0A c,
  128: Create jfif   $FF c, $D8 c, $FF c, $E0 c, $00 c, $10 c, $4A c, $46 c,
  129:               $49 c, $46 c,
  130: 
  131: : b@ ( addr -- x )   0 swap 4 bounds ?DO  8 lshift I c@ +  LOOP ;
  132: : bw@ ( addr -- x )  0 swap 2 bounds ?DO  8 lshift I c@ +  LOOP ;
  133: 
  134: : gif? ( -- flag )
  135:     s" GIF89a" imgbuf over str=
  136:     s" GIF87a" imgbuf over str= or ;
  137: : gif-size ( -- w h )
  138:     imgbuf 8 + c@ imgbuf 9 + c@ 8 lshift +
  139:     imgbuf 6 + c@ imgbuf 7 + c@ 8 lshift + ;
  140: 
  141: : png? ( -- flag )
  142:     pngsig 8 imgbuf over str= ;
  143: : png-size ( -- w h )
  144:     imgbuf $14 + b@ imgbuf $10 + b@ ;
  145: 
  146: : jpg? ( -- flag )
  147:     jfif 10 imgbuf over str= ;
  148: : jpg-size ( fd -- w h )  >r
  149:     2.  BEGIN
  150: 	2dup r@ reposition-file throw
  151: 	imgbuf $10 r@ read-file throw 0<>
  152: 	imgbuf bw@ $FFC0 $FFD0 within 0= and  WHILE
  153: 	imgbuf 2 + bw@ 2 + 0 d+  REPEAT
  154:     2drop imgbuf 5 + bw@ imgbuf 7 + bw@  rdrop ;
  155: 
  156: : img-size ( fd -- w h )  >r
  157:     gif? IF  gif-size  rdrop EXIT  THEN
  158:     jpg? IF  r> jpg-size  EXIT  THEN
  159:     png? IF  png-size  rdrop EXIT  THEN
  160:     0 0 ;
  161: 
  162: : .img-size ( addr u -- )
  163:     r/o open-file IF  drop  EXIT  THEN  >r
  164:     imgbuf $20 r@ read-file throw drop
  165:     r@ img-size
  166:     r> close-file throw
  167:     ?dup IF  0 <# #S #> width=   THEN
  168:     ?dup IF  0 <# #S #> height=  THEN ;
  169: 
  170: \ link creation
  171: 
  172: Variable link
  173: Variable link-sig
  174: Variable link-suffix
  175: Variable iconpath
  176: 
  177: Variable do-size
  178: Variable do-icon
  179: 
  180: Defer parse-line
  181: 
  182: : .img ( addr u -- ) dup >r '| -$split  dup r> = IF  2swap  THEN 
  183:     dup IF  2swap alt=  ELSE  2drop  THEN
  184:     tag-option $@len >r over c@ >align  tag-option $@len r> = 1+ /string
  185:     tag-option $@len >r over c@ >border tag-option $@len r> = 1+ /string
  186:     2dup .img-size src= s" img" tag/ ;
  187: : >img ( -- )   '{ parse type '} parse .img ;
  188: 
  189: : alt-suffix ( -- )
  190:     link-suffix $@len 2 - link-suffix $!len
  191:     s" [" link-suffix 0 $ins
  192:     s" ]" link-suffix $+!
  193:     link-suffix $@ alt= ;
  194: 
  195: : get-icon ( addr u -- )  iconpath @ IF  2drop  EXIT  THEN
  196:     link-suffix $! s" .*" link-suffix $+!
  197:     s" icons" open-dir throw >r
  198:     BEGIN
  199: 	pad $100 r@ read-dir throw  WHILE
  200: 	pad swap 2dup link-suffix $@ filename-match
  201: 	IF  s" icons/" iconpath $! iconpath $+!
  202: 	    iconpath $@ 2dup .img-size src= '- >border
  203: 	    alt-suffix  s" img" tag/ true
  204: 	ELSE  2drop  false  THEN
  205:     UNTIL  ELSE  drop  THEN
  206:     r> close-dir throw ;
  207: 
  208: : link-icon? ( -- )  do-icon @ 0= ?EXIT
  209:     iconpath @  IF  iconpath $off  THEN
  210:     link $@ + 1- c@ '/ = IF  s" index.html"  ELSE  link $@  THEN
  211:     '# $split 2drop
  212:     BEGIN  '. $split 2swap 2drop dup  WHILE
  213: 	2dup get-icon  REPEAT  2drop ;
  214: 
  215: : link-size? ( -- )  do-size @ 0= ?EXIT
  216:     link $@ r/o open-file IF  drop  EXIT  THEN >r
  217:     r@ file-size throw $400 um/mod nip ."  (" 0 u.r ." k)"
  218:     r> close-file throw ;
  219: 
  220: : link-sig? ( -- )
  221:     link $@ link-sig $! s" .sig" link-sig $+!
  222:     link-sig $@ r/o open-file IF  drop  EXIT  THEN
  223:     close-file throw
  224:     ."  (" link-sig $@ href= s" a" tag
  225:     s" |-icons/sig.gif" .img ." sig" s" /a" tag ." )" ;
  226: 
  227: : link-options ( addr u -- addr' u' )
  228:     do-size off  do-icon on
  229:     over c@ '% = over 0> and IF  do-size on  1 /string  THEN
  230:     over c@ '\ = over 0> and IF  do-icon off 1 /string  THEN ;
  231: 
  232: s" Gforth" environment? [IF] s" 0.5.0" str= [IF] 
  233: : parse-string ( c-addr u -- ) \ core,block
  234:     s" *evaluated string*" loadfilename>r
  235:     push-file #tib ! >tib !
  236:     >in off blk off loadfile off -1 loadline !
  237:     ['] parse-line catch
  238:     pop-file r>loadfilename throw ;
  239: [ELSE]
  240: : parse-string ( addr u -- )
  241:     evaluate-input cell new-tib #tib ! tib !
  242:     ['] parse-line catch pop-file throw ;
  243: [THEN] [THEN]
  244: 
  245: : .link ( addr u -- ) dup >r '| -$split  dup r> = IF  2swap  THEN 
  246:     link-options link $!
  247:     link $@len 0= IF  2dup link $! ( s" .html" link $+! ) THEN
  248:     link $@ href= s" a" tag link-icon?
  249:     parse-string s" a" /tag link-size? link-sig? ;
  250: : >link ( -- )  '[ parse type '] parse .link ;
  251: 
  252: \ line handling
  253: 
  254: : char? ( -- c )  >in @ char swap >in ! ;
  255: 
  256: : parse-tag ( addr u char -- )
  257:     >r r@ parse .type
  258:     r> parse 2swap tagged ;
  259: 
  260: : .text ( -- ) 	>in @ >r char drop
  261:     source r@ /string >in @ r> - nip .type ;
  262: 
  263: Create do-words  $100 0 [DO] ' .text , [LOOP]
  264: 
  265: :noname '( emit 1 >in +! ; '( cells do-words + !
  266: 
  267: : bind-char ( xt -- )  char cells do-words + ! ;
  268: 
  269: : char>tag ( -- ) char >r
  270: :noname bl sword postpone SLiteral r@ postpone Literal
  271:     postpone parse-tag postpone ; r> cells do-words + ! ;
  272: 
  273: : >tag '\ parse type '\ parse tag ;
  274: 
  275: char>tag * b
  276: char>tag _ em
  277: char>tag # code
  278: 
  279: ' >link bind-char [
  280: ' >img  bind-char {
  281: ' >tag  bind-char \
  282: 
  283: : do-word ( char -- )  cells do-words + perform ;
  284: 
  285: : word? ( -- addr u )  >in @ >r bl sword r> >in ! ;
  286: 
  287: wordlist Constant autoreplacements
  288: 
  289: :noname ( -- )
  290:     BEGIN char? do-word source nip >in @ = UNTIL ; is parse-line
  291: 
  292: : parse-line+ ( -- )
  293:     BEGIN
  294: 	word? autoreplacements search-wordlist
  295: 	IF    execute  bl sword 2drop
  296: 	    source >in @ 1- /string drop c@ bl = >in +!
  297: 	ELSE  char? do-word  THEN
  298: 	source nip >in @ = UNTIL ;
  299: 
  300: : parse-to ( char -- ) >r
  301:     BEGIN  char? dup r@ <> WHILE
  302: 	do-word source nip >in @ = UNTIL  ELSE  drop  THEN
  303:     r> parse type ;
  304: 
  305: \ autoreplace
  306: 
  307: : autoreplace ( <[string|url]> -- )
  308:     get-current autoreplacements set-current
  309:     Create set-current
  310:     here 0 , '[ parse 2drop '] parse rot $!
  311:     DOES> $@ .link ;
  312:     
  313: \ paragraph handling
  314: 
  315: : parse-par ( -- )
  316:     BEGIN  parse-line+ cr refill  WHILE
  317: 	source nip 0= UNTIL  THEN ;
  318: 
  319: : par ( addr u -- ) env? indent=
  320:     2dup tag parse-par /tag cr cr ;
  321: : line ( addr u -- ) env? 2dup tag parse-line+ /tag cr cr ;
  322: 
  323: \ scan strings
  324: 
  325: : get-rest ( addr -- ) 0 parse -trailing rot $! ;
  326: Create $lf 1 c, #lf c,
  327: : get-par ( addr -- )  >r  s" " r@ $+!
  328:     BEGIN  0 parse 2dup s" ." str= 0=  WHILE
  329: 	r@ $@len IF  $lf count r@ $+!  THEN  r@ $+!
  330: 	refill 0= UNTIL  ELSE  2drop  THEN
  331:     rdrop ;
  332: 
  333: \ toc handling
  334: 
  335: Variable toc-link
  336: 
  337: : >last ( addr link -- link' )
  338:     BEGIN  dup @  WHILE  @  REPEAT  ! 0 ;
  339: 
  340: Variable create-navs
  341: Variable nav$
  342: Variable nav-name
  343: Variable nav-file
  344: Create nav-buf 0 c,
  345: : nav+ ( char -- )  nav-buf c! nav-buf 1 nav-file $+! ;
  346: 
  347: : >nav ( addr u -- addr' u' )
  348:     nav-name $!  create-navs @ 0=
  349:     IF  s" navigate/nav.scm" r/w create-file throw create-navs !  THEN
  350:     s' (script-fu-nav-file "' nav$ $! nav-name $@ nav$ $+!
  351:     s' " "./navigate/' nav$ $+!  s" " nav-file $!
  352:     nav-name $@ bounds ?DO
  353: 	I c@  dup 'A 'Z 1+ within IF  bl + nav+
  354: 	ELSE  dup 'a 'z 1+ within IF  nav+
  355: 	ELSE  dup '0 '9 1+ within IF  nav+
  356: 	ELSE  dup  bl = swap '- = or IF  '- nav+
  357: 	THEN  THEN  THEN  THEN
  358: 	LOOP
  359:     nav-file $@ nav$ $+! s' .jpg")' nav$ $+!
  360:     nav$ $@ create-navs @ write-line throw
  361:     s" [" nav$ $! nav-name $@ nav$ $+!
  362:     s" |-navigate/" nav$ $+! nav-file $@ nav$ $+! s" .jpg" nav$ $+!
  363:     nav$ $@ ;
  364: 
  365: : toc, ( n -- ) , '| parse >nav here 0 , $! 0 parse here 0 , $! ;
  366: : up-toc   align here toc-link >last , 0 toc, ;
  367: : top-toc  align here toc-link >last , 1 toc, ;
  368: : this-toc align here toc-link >last , 2 toc, ;
  369: : sub-toc  align here toc-link >last , 3 toc, ;
  370: : new-toc  toc-link off ;
  371: 
  372: Variable toc-name
  373: Variable toc-index
  374: 6 Value /toc-line
  375: 
  376: : .toc-entry ( toc flag -- )
  377:     swap cell+ dup @ swap cell+ dup cell+ $@ 2dup href= s" a" tag
  378:     '# scan 1 /string toc-name $@ compare >r
  379:     $@ .img swap
  380:     IF
  381: 	case
  382: 	    2 of  s" ^]|-icons/arrow_up.jpg" .img  endof
  383: 	    3 of
  384: 		r@ 0= IF s" *]|-icons/circle.jpg"
  385: 		    ELSE s" v]|-icons/arrow_down.jpg"  THEN  .img  endof
  386: 	endcase
  387:     ELSE
  388: 	case
  389: 	    0 of  s" ^]|-icons/arrow_up.jpg" .img  endof
  390: 	    1 of  s" >]|-icons/arrow_right.jpg" .img  endof
  391: 	    2 of  s" *]|-icons/circle.jpg" .img  endof
  392: 	    3 of  s" v]|-icons/arrow_down.jpg" .img  endof
  393: 	endcase
  394:     THEN
  395:     s" a" /tag rdrop ." <!--" cr ." -->"
  396:     1 toc-index +! toc-index @ /toc-line mod 0=
  397:     IF  s" br" tag/ THEN ;
  398: 
  399: : print-toc ( -- ) toc-index off cr s" menu" id= s" div" >env cr
  400:     0 parse
  401:     dup 0= IF  toc-name $! 0  ELSE
  402: 	toc-name $! toc-name $@ id= s" " s" a" tagged  2
  403:     THEN  >r
  404:     toc-link  BEGIN  @ dup  WHILE
  405: 	dup cell+ @ 3 = r@ 0= and IF  rdrop 1 >r ( s" br" tag/ cr )  THEN
  406: 	dup cell+ @ r@ >= IF  dup r@ 2 = .toc-entry  THEN
  407: 	dup cell+ @ 2 = r@ 2 = and IF  s" br" tag/ toc-index off THEN
  408:     REPEAT  drop rdrop -env cr ;
  409: 
  410: \ handle global tags
  411: 
  412: : indent ( n -- )
  413:     indentlevel @ over
  414:     indentlevel !
  415:     2dup < IF swap DO  -env -env  LOOP  EXIT THEN
  416:     over 1 = IF  = IF  -env -env  THEN  EXIT  THEN
  417:     2dup > IF      DO  s" dl" >env s" dt" >env  LOOP EXIT THEN
  418:     2dup = IF drop IF  -env  s" dt" >env  THEN THEN
  419: ;
  420: : +indent ( -- )
  421:     indentlevel @ IF  -env -env s" dl" >env s" dd" >env  THEN
  422: ;
  423: 
  424: wordlist constant longtags
  425: 
  426: Variable divs
  427: 
  428: longtags set-current
  429: 
  430: : --- 0 indent cr s" hr" tag/ cr +indent ;
  431: : *   1 indent s" h1" line +indent ;
  432: : **  1 indent s" h2" line +indent ;
  433: : *** 2 indent s" h3" line +indent ;
  434: : -- 0 indent cr print-toc ;
  435: : && ( -- ) divs @ IF  -env  THEN  +env
  436:     0 parse id= s" div" env env? divs on ;
  437: : - s" ul" env s" li" par ;
  438: : + s" ol" env s" li" par ;
  439: : << +env ;
  440: : <* s" center" class= ;
  441: : <red  s" #ff0000" s" color" opt s" font" >env ;
  442: : red> -env ;
  443: : >> -env ;
  444: : *> ;
  445: : :: interpret ;
  446: : . end-sec on 0 indent ;
  447: : :code indent= s" pre" >env
  448:     BEGIN  source >in @ /string type cr refill  WHILE
  449: 	source s" :endcode" str= UNTIL  THEN
  450:     -env ;
  451: : :code-file indent= s" pre" >env
  452:     parse" r/o open-file throw >r
  453:     r@ file-size throw drop dup allocate throw
  454:     2dup swap r@ read-file throw 2dup type drop
  455:     -env free throw drop
  456:     r> close-file throw ;
  457: : \ postpone \ ;
  458: 
  459: definitions
  460:     
  461: \ Table
  462: 
  463: : |tag  table-format $@ table# @ /string drop c@ >talign
  464:     >env  1 table# +! ;
  465: : |d  table# @ table-start @ > IF  -env  THEN  s" td" |tag ;
  466: : |h  table# @ table-start @ > IF  -env  THEN  s" th" |tag ;
  467: : |line  s" tr" >env  table-start @ table# ! ;
  468: : line|  -env -env cr ;
  469: 
  470: : next-char ( -- char )  source drop >in @ + c@ ;
  471: 
  472: longtags set-current
  473: 
  474: : <| bl sword table-format $! table-start off bl sword
  475:     dup IF  s" border" opt  ELSE  2drop  THEN s" table" >env ;
  476: : |> -env -env cr cr ;
  477: : +| |line
  478:     BEGIN
  479: 	|h '| parse-to next-char '+ =  UNTIL line| ;
  480: : -| |line
  481:     BEGIN
  482: 	|d '| parse-to next-char '- =  UNTIL line| ;
  483: 
  484: definitions
  485: 
  486: \ parse a section
  487: 
  488: : section-line ( -- )  >in off
  489:     bl sword longtags search-wordlist
  490:     IF    execute
  491:     ELSE  source nip IF  >in off s" p" par  THEN  THEN ;
  492: : refill-loop ( -- )  end-sec off
  493:     BEGIN  refill  WHILE
  494: 	section-line end-sec @ UNTIL  THEN ;
  495: : parse-section ( -- )
  496:     refill-loop ;
  497: 
  498: \ HTML head
  499: 
  500: Variable css-file
  501: 
  502: : .title ( addr u -- )
  503:     .' <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">' cr
  504:     s" html" >env s" head" >env cr
  505:     s" Content-Type" s" http-equiv" opt
  506:     s" text/xhtml; charset=iso-8859-1" s" content" opt
  507:     s" meta" tag/
  508:     css-file @ IF  css-file $@len IF
  509: 	s" StyleSheet" s" rel" opt
  510: 	css-file $@ href=
  511: 	s" text/css" s" type" opt s" link" tag/
  512:     THEN  THEN
  513:     s" title" tagged cr
  514:     -env ;
  515: 
  516: \ HTML trailer
  517: 
  518: Variable mail
  519: Variable mail-name
  520: Variable orig-date
  521: 
  522: : .lastmod
  523:     ." Last modified: " time&date rot 0 u.r swap 1-
  524:     s" janfebmaraprmayjunjulaugsepoctnovdec" rot 3 * /string 3 min type
  525:     0 u.r ;
  526: 
  527: : .trailer
  528:     s" center" class= s" address" >env
  529:     orig-date @ IF  ." Created " orig-date $@ type ." . "  THEN
  530:     .lastmod
  531:  ."  by "
  532:     s" Mail|icons/mail.gif" .img mail $@ mailto: mail-name $@ s" a" tagged
  533:     -envs ;
  534: 
  535: \ top word
  536: 
  537: : maintainer ( -- )
  538:     bl sword mail $! parse" mail-name $! ;
  539: : created ( -- )
  540:     bl sword orig-date $! ;
  541: 
  542: Variable style$
  543: : style> style$ @ 0= IF  s" " style$ $!  THEN  style$ $@ tag-option $! ;
  544: : >style tag-option $@ style$ $! s" " tag-option $! ;
  545: 
  546: : style  style> opt >style ;
  547: : background ( -- )  parse" s" background" style ;
  548: : text ( -- )  parse" s" text" style ;
  549:     warnings @ warnings off
  550: : link ( -- )  parse" s" link" style ;
  551:     warnings !
  552: : vlink ( -- ) parse" s" vlink" style ;
  553: : marginheight ( -- ) parse" s" marginheight" style ;
  554: : css ( -- ) parse" css-file $! ;
  555: 
  556: : wf ( -- )
  557:     outfile-id >r
  558:     bl sword r/w create-file throw to outfile-id
  559:     parse" .title
  560:     +env style> s" body" env env?
  561:     ['] parse-section catch .trailer
  562:     outfile-id close-file throw
  563:     r> to outfile-id
  564:     dup 0< IF  throw  ELSE  drop  THEN ;
  565: 
  566: : eval-par ( addr u -- )
  567:   s" wf-temp.wf" r/w create-file throw >r
  568:   r@ write-file r> close-file throw
  569:   push-file s" wf-temp.wf" r/o open-file throw loadfile !
  570:   parse-par parse-section
  571:   loadfile @ close-file swap 2dup or
  572:   pop-file  drop throw throw
  573:   s" wf-temp.wf" delete-file throw ;
  574: 
  575: \ simple text data base
  576: 
  577: Variable last-entry
  578: Variable field#
  579: 
  580: : table: ( xt n -- )  Create , ,  1 field# !
  581:     DOES> 2@ >in @ >r longtags set-current
  582:     Create definitions swap , r> >in !
  583:     here last-entry !
  584:     dup 0 DO  0 ,  LOOP
  585:     1 DO  s" " last-entry @ I cells + $!  LOOP
  586:     last-entry @ get-rest
  587:     DOES> dup cell+ swap perform ;
  588: 
  589: : field:  Create field# @ , 1 field# +!
  590: DOES> @ cells last-entry @ + get-rest ;
  591: : par:  Create field# @ , 1 field# +!
  592: DOES> @ cells last-entry @ + get-par ;
  593: 
  594: : >field  ' >body @ cells postpone Literal postpone + ; immediate

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