File:  [gforth] / gforth / wf.fs
Revision 1.21: download - view: text, annotated - select for diffs
Sun Nov 23 23:14:28 2003 UTC (15 years, 10 months ago) by pazsan
Branches: MAIN
CVS tags: HEAD
Now creates valid XHTML

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

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