File:  [gforth] / gforth / wf.fs
Revision 1.34: download - view: text, annotated - select for diffs
Wed Mar 30 21:57:12 2005 UTC (14 years, 3 months ago) by pazsan
Branches: MAIN
CVS tags: HEAD
Fixed W3C nonconformance

    1: \ wiki forth
    2: 
    3: \ Copyright (C) 2003,2004 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: \ basic stuff
   24: 
   25: : -scan ( addr u char -- addr' u' )
   26:   >r  BEGIN  dup  WHILE  1- 2dup + c@ r@ =  UNTIL  THEN
   27:   rdrop ;
   28: : -$split ( addr u char -- addr1 u1 addr2 u2 )
   29:   >r 2dup r@ -scan 2dup + c@ r> = negate over + >r
   30:   2swap r> /string ;
   31: : parse" ( -- addr u ) '" parse 2drop '" parse ;
   32: : .' '' parse postpone SLiteral postpone type ; immediate
   33: : s' '' parse postpone SLiteral ; immediate
   34: 
   35: \ character recoding
   36: 
   37: [IFDEF] maxascii $100 to maxascii 8-bit-io [THEN]
   38: \ UTF-8 IO fails with .type:
   39: 
   40: : .type ( addr u -- )
   41:     bounds ?DO  I c@
   42: 	case
   43: 	    '& of  ." &"  endof
   44: 	    '< of  ." &lt;"   endof
   45: 	    ' of  ." &euro;" endof
   46: 	    dup emit
   47: 	endcase
   48:     LOOP ;
   49: 
   50: \ tag handling
   51: 
   52: Variable indentlevel
   53: Variable tag-option
   54: Variable tag-class
   55: s" " tag-option $!
   56: s" " tag-class $!
   57: 
   58: : tag ( addr u -- ) '< emit type
   59:     tag-class $@len IF  .\"  class=\"" tag-class $@ type '" emit  THEN
   60:     tag-option $@ type
   61:     '> emit
   62:     s" " tag-option $! s" " tag-class $! ;
   63: : tag/ ( addr u -- )  s"  /" tag-option $+! tag ;
   64: : /tag ( addr u -- ) '< emit '/ emit type '> emit ;
   65: : tagged ( addr1 u1 addr2 u2 -- )  2dup 2>r tag .type 2r> /tag ;
   66: 
   67: : opt ( addr u opt u -- )  s"  " tag-option $+!
   68:     tag-option $+! s' ="' tag-option $+! tag-option $+!
   69:     s' "' tag-option $+! ;
   70: : n>string ( n -- addr u )  0 <# #S #> ;
   71: : xy>string ( x y -- )  swap 0 <# #S 'x hold 2drop 0 #S 's hold #> ;
   72: : opt# ( n opt u -- )  rot n>string 2swap opt ;
   73: : href= ( addr u -- )  s" href" opt ;
   74: : id= ( addr u -- )  s" id" opt ;
   75: : src=  ( addr u -- )  s" src" opt ;
   76: : alt=  ( addr u -- )  s" alt" opt ;
   77: : width=  ( n -- )  s" width" opt# ;
   78: : height=  ( n -- )  s" height" opt# ;
   79: : align= ( addr u -- ) s" align" opt ;
   80: : class= ( addr u -- )
   81:     tag-class $@len IF  s"  " tag-class $+!  THEN
   82:     tag-class $+! ;
   83: : indent= ( -- )
   84:     indentlevel @ 0 <# #S 'p hold #> class= ;
   85: : mailto: ( addr u -- ) s'  href="mailto:' tag-option $+!
   86:     tag-option $+! s' "' tag-option $+! ;
   87: 
   88: \ environment handling
   89: 
   90: Variable end-sec
   91: Variable oldenv
   92: Variable envs 30 0 [DO] 0 , [LOOP]
   93: 
   94: : env$ ( -- addr ) envs dup @ 1+ cells + ;
   95: : env ( addr u -- ) env$ $! ;
   96: : env? ( -- ) envs @ oldenv @ over oldenv !
   97:     2dup > IF  env$ $@ tag  THEN
   98:     2dup < IF  env$ cell+ $@ /tag  env$ cell+ $off  THEN
   99:     2drop ;
  100: : +env  1 envs +! ;
  101: : -env end-sec @ envs @ 1 > or  IF  -1 envs +! env?  THEN ;
  102: : -envs envs @ 0 ?DO  -env cr  LOOP ;
  103: : -tenvs envs @ 1 ?DO  -env cr  LOOP ;
  104: : >env ( addr u -- ) +env env env? ;
  105: 
  106: \ alignment
  107: 
  108: Variable table-format
  109: Variable table#
  110: Create table-starts &10 0 [DO] 0 c, 0 c, [LOOP]
  111: Variable taligned
  112: 
  113: : >align ( c -- )
  114:     CASE
  115: 	'l OF  s" left"      class=  ENDOF
  116: 	'r OF  s" right"     class=  ENDOF
  117: 	'c OF  s" center"    class=  ENDOF
  118: 	'< OF  s" left"      class=  ENDOF
  119: 	'> OF  s" right"     class=  ENDOF
  120: 	'= OF  s" center"    class=  ENDOF
  121: 	'~ OF  s" middle"    class=  ENDOF
  122:     ENDCASE ;
  123: 
  124: : >talign ( c -- )
  125:     CASE
  126: 	'l OF  s" left"   align=  ENDOF
  127: 	'r OF  s" right"  align=  ENDOF
  128: 	'c OF  s" center" align=  ENDOF
  129: 	'< OF  s" left"   align=  ENDOF
  130: 	'> OF  s" right"  align=  ENDOF
  131: 	'= OF  s" center" align=  ENDOF
  132:     ENDCASE  taligned on ;
  133: 
  134: : >border ( c -- )
  135:     case
  136: 	'- of  s" border0" class= endof
  137: 	'+ of  s" border1" class= endof
  138:     endcase ;
  139: 
  140: \ image handling
  141: 
  142: wordlist Constant img-sizes
  143: 
  144: Create imgbuf $20 allot
  145: 
  146: Create pngsig $89 c, $50 c, $4E c, $47 c, $0D c, $0A c, $1A c, $0A c,
  147: Create jfif   $FF c, $D8 c, $FF c, $E0 c, $00 c, $10 c, $4A c, $46 c,
  148:               $49 c, $46 c,
  149: 
  150: : b@ ( addr -- x )   0 swap 4 bounds ?DO  8 lshift I c@ +  LOOP ;
  151: : bw@ ( addr -- x )  0 swap 2 bounds ?DO  8 lshift I c@ +  LOOP ;
  152: 
  153: : gif? ( -- flag )
  154:     s" GIF89a" imgbuf over str=
  155:     s" GIF87a" imgbuf over str= or ;
  156: : gif-size ( -- w h )
  157:     imgbuf 8 + c@ imgbuf 9 + c@ 8 lshift +
  158:     imgbuf 6 + c@ imgbuf 7 + c@ 8 lshift + ;
  159: 
  160: : png? ( -- flag )
  161:     pngsig 8 imgbuf over str= ;
  162: : png-size ( -- w h )
  163:     imgbuf $14 + b@ imgbuf $10 + b@ ;
  164: 
  165: : jpg? ( -- flag )
  166:     jfif 10 imgbuf over str= ;
  167: : jpg-size ( fd -- w h )  >r
  168:     2.  BEGIN
  169: 	2dup r@ reposition-file throw
  170: 	imgbuf $10 r@ read-file throw 0<>
  171: 	imgbuf bw@ $FFC0 $FFD0 within 0= and  WHILE
  172: 	imgbuf 2 + bw@ 2 + 0 d+  REPEAT
  173:     2drop imgbuf 5 + bw@ imgbuf 7 + bw@  rdrop ;
  174: 
  175: : img-size ( fd -- w h )  >r
  176:     gif? IF  gif-size  rdrop EXIT  THEN
  177:     jpg? IF  r> jpg-size  EXIT  THEN
  178:     png? IF  png-size  rdrop EXIT  THEN
  179:     0 0 rdrop ;
  180: 
  181: 3 set-precision
  182: 
  183: : f.size  ( r -- )
  184:   f$ dup >r 0<=
  185:   IF    '0 emit
  186:   ELSE  scratch r@ min type  r@ precision - zeros  THEN
  187:   r@ negate zeros
  188:   scratch r> 0 max /string 0 max -zeros
  189:   dup IF  '. emit  THEN  type ;
  190: 
  191: : size-does> ( -- )  DOES> ( -- )
  192:     ." img." dup body> >name .name
  193:     2@ ." { width: "
  194:     s>d d>f 13.8e f/ f.size ." em; height: "
  195:     s>d d>f 13.8e f/ f.size ." em; }" cr ;
  196: 
  197: : size-css ( file< > -- )
  198:     outfile-id >r
  199:     bl sword r/w create-file throw to outfile-id
  200:     img-sizes wordlist-id
  201:     BEGIN  @ dup  WHILE
  202: 	    dup name>int execute
  203:     REPEAT  drop
  204:     outfile-id close-file throw
  205:     r> to outfile-id
  206:     dup 0< IF  throw  ELSE  drop  THEN ;
  207: 
  208: : size-class ( x y addr u -- x y )
  209:     2dup class=
  210:     2dup img-sizes search-wordlist  IF  drop 2drop
  211:     ELSE
  212: 	get-current >r img-sizes set-current
  213: 	nextname Create 2dup , , size-does>
  214: 	r> set-current
  215:     THEN ;
  216: 
  217: : .img-size ( addr u -- )
  218:     r/o open-file IF  drop  EXIT  THEN  >r
  219:     imgbuf $20 r@ read-file throw drop
  220:     r@ img-size
  221:     r> close-file throw
  222:     2dup or IF  2dup xy>string size-class  THEN  
  223:     ?dup IF  width=   THEN
  224:     ?dup IF  height=  THEN
  225: ;
  226: 
  227: \ link creation
  228: 
  229: Variable link
  230: Variable link-sig
  231: Variable link-suffix
  232: Variable iconpath
  233: Variable icon-prefix
  234: Variable icon-tmp
  235: 
  236: Variable do-size
  237: Variable do-icon
  238: Variable do-expand
  239: 
  240: Defer parse-line
  241: 
  242: : .img ( addr u -- )
  243:     dup >r '@ -$split  dup r> = IF  2swap 2drop
  244:     ELSE  2swap icon-tmp $! icon-prefix $@ icon-tmp $+! icon-tmp $+!
  245: 	icon-tmp $@  THEN
  246:     dup >r '| -$split  dup r> = IF  2swap  THEN 
  247:     dup IF  2swap alt=  ELSE  2drop  THEN
  248:     tag-class $@len >r over c@ >align  tag-class $@len r> = 1+ /string
  249:     tag-class $@len >r over c@ >border tag-class $@len r> = 1+ /string
  250:     2dup .img-size src= s" img" tag/ ;
  251: : >img ( -- )   '{ parse type '} parse .img ;
  252: 
  253: : alt-suffix ( -- )
  254:     link-suffix $@len 2 - link-suffix $!len
  255:     s" [" link-suffix 0 $ins
  256:     s" ]" link-suffix $+!
  257:     link-suffix $@ alt= ;
  258: 
  259: : get-icon ( addr u -- )  iconpath @ IF  2drop  EXIT  THEN
  260:     link-suffix $! s" .*" link-suffix $+!
  261:     icon-prefix $@ open-dir throw >r
  262:     BEGIN
  263: 	pad $100 r@ read-dir throw  WHILE
  264: 	pad swap 2dup link-suffix $@ filename-match
  265: 	IF  icon-prefix $@ iconpath $! s" /" iconpath $+! iconpath $+!
  266: 	    iconpath $@ 2dup .img-size src= '- >border
  267: 	    alt-suffix  s" img" tag/ true
  268: 	ELSE  2drop  false  THEN
  269:     UNTIL  ELSE  drop  THEN
  270:     r> close-dir throw ;
  271: 
  272: : link-icon? ( -- )  do-icon @ 0= ?EXIT
  273:     iconpath @  IF  iconpath $off  THEN
  274:     link $@ + 1- c@ '/ = IF  s" index.html"  ELSE  link $@  THEN
  275:     '# $split 2drop
  276:     BEGIN  '. $split 2swap 2drop dup  WHILE
  277: 	2dup get-icon  REPEAT  2drop ;
  278: 
  279: : link-size? ( -- )  do-size @ 0= ?EXIT
  280:     link $@ r/o open-file IF  drop  EXIT  THEN >r
  281:     r@ file-size throw $400 um/mod nip
  282:     dup $800 < IF  ."  (" 0 u.r ." k)"
  283: 	ELSE  $400 / ."  (" 0 u.r ." M)" THEN
  284:     r> close-file throw ;
  285: 
  286: : link-sig? ( -- )
  287:     link $@ link-sig $! s" .sig" link-sig $+!
  288:     link-sig $@ r/o open-file IF  drop  EXIT  THEN
  289:     close-file throw
  290:     ."  (" link-sig $@ href= s" a" tag
  291:     s" |-@/sig.gif" .img ." sig" s" /a" tag ." )" ;
  292: 
  293: : link-warn? ( -- ) \ local links only
  294:     link $@ ': scan nip ?EXIT
  295:     link $@ '# $split 2drop dup IF
  296: 	r/o open-file nip IF
  297: 	    s" Dead Link '" stderr write-file throw
  298: 	    link $@ stderr write-file throw
  299: 	    s\" ' !!!\n" stderr write-file throw
  300: 	THEN
  301:     ELSE  2drop  THEN ;
  302: 
  303: : link-options ( addr u -- addr' u' )
  304:     do-size off  do-icon on  do-expand off
  305:     over c@ '% = over 0> and IF  do-size on   1 /string  THEN
  306:     over c@ '\ = over 0> and IF  do-icon off  1 /string  THEN
  307:     over c@ '* = over 0> and IF  do-expand on 1 /string  THEN ;
  308: 
  309: s" Gforth" environment? [IF] s" 0.5.0" str= [IF] 
  310: : parse-string ( c-addr u -- ) \ core,block
  311:     s" *evaluated string*" loadfilename>r
  312:     push-file #tib ! >tib !
  313:     >in off blk off loadfile off -1 loadline !
  314:     ['] parse-line catch
  315:     pop-file r>loadfilename throw ;
  316: [ELSE]
  317: : parse-string ( addr u -- )
  318:     evaluate-input cell new-tib #tib ! tib !
  319:     ['] parse-line catch pop-file throw ;
  320: [THEN] [THEN]
  321: 
  322: Variable expand-link
  323: Variable expand-prefix
  324: Variable expand-postfix
  325: 
  326: : ?expand ( addr u -- )  expand-link $!
  327:     do-expand @ IF
  328: 	expand-prefix $@ expand-link 0 $ins
  329: 	expand-postfix $@ expand-link $+!  THEN
  330:     expand-link $@ ;
  331: 
  332: : .link ( addr u -- ) dup >r '| -$split  dup r> = IF  2swap  THEN 
  333:     link-options link $!
  334:     link $@len 0= IF  2dup link $! ( s" .html" link $+! ) THEN
  335:     link $@ ?expand
  336:     href= s" a" tag link-icon?
  337:     parse-string s" a" /tag link-size? link-sig? link-warn? ;
  338: : >link ( -- )  '[ parse type '] parse .link ;
  339: 
  340: \ line handling
  341: 
  342: : char? ( -- c )  >in @ char swap >in ! ;
  343: 
  344: : parse-tag ( addr u char -- )
  345:     >r r@ parse .type
  346:     r> parse 2swap tagged ;
  347: 
  348: : .text ( -- ) 	>in @ >r char drop
  349:     source r@ /string >in @ r> - nip .type ;
  350: 
  351: Create do-words  $100 0 [DO] ' .text , [LOOP]
  352: 
  353: :noname '( emit 1 >in +! ; '( cells do-words + !
  354: 
  355: : bind-char ( xt -- )  char cells do-words + ! ;
  356: 
  357: : char>tag ( -- ) char >r
  358: :noname bl sword postpone SLiteral r@ postpone Literal
  359:     postpone parse-tag postpone ; r> cells do-words + ! ;
  360: 
  361: : >tag '\ parse type '\ parse tag ;
  362: 
  363: char>tag * b
  364: char>tag _ em
  365: char>tag # code
  366: :noname  '~ parse .type '~ parse .type ; '~ cells do-words + !
  367: 
  368: ' >link bind-char [
  369: ' >img  bind-char {
  370: ' >tag  bind-char \
  371: 
  372: : do-word ( char -- )  cells do-words + perform ;
  373: 
  374: : word? ( -- addr u )  >in @ >r bl sword r> >in ! ;
  375: 
  376: wordlist Constant autoreplacements
  377: 
  378: :noname ( -- )
  379:     BEGIN char? do-word source nip >in @ = UNTIL ; is parse-line
  380: 
  381: : parse-line+ ( -- )
  382:     BEGIN
  383: 	word? autoreplacements search-wordlist
  384: 	IF    execute  bl sword 2drop
  385: 	    source >in @ 1- /string drop c@ bl = >in +!
  386: 	ELSE  char? do-word  THEN
  387: 	source nip >in @ = UNTIL ;
  388: 
  389: : parse-to ( char -- ) >r
  390:     BEGIN
  391: 	word? autoreplacements search-wordlist
  392: 	IF    execute  bl sword 2drop
  393: 	    source >in @ 1- /string drop c@ bl = >in +! bl true
  394: 	ELSE  char? dup r@ <>  THEN  WHILE
  395: 	do-word source nip >in @ = UNTIL  ELSE  drop  THEN
  396:     r> parse type ;
  397: 
  398: \ autoreplace
  399: 
  400: : autoreplace ( <[string|url]> -- )
  401:     get-current autoreplacements set-current
  402:     Create set-current
  403:     here 0 , '[ parse 2drop '] parse rot $!
  404:     DOES> $@ .link ;
  405:     
  406: \ paragraph handling
  407: 
  408: : parse-par ( -- )
  409:     BEGIN
  410: 	parse-line+ cr refill  WHILE
  411: 	source nip 0= UNTIL  THEN ;
  412: 
  413: : par ( addr u -- ) env?
  414:     2dup tag parse-par /tag cr cr ;
  415: 
  416: \ scan strings
  417: 
  418: : get-rest ( addr -- ) 0 parse -trailing rot $! ;
  419: Create $lf 1 c, #lf c,
  420: : get-par ( addr -- )  >r  s" " r@ $+!
  421:     BEGIN  0 parse 2dup s" ." str= 0=  WHILE
  422: 	r@ $@len IF  $lf count r@ $+!  THEN  r@ $+!
  423: 	refill 0= UNTIL  ELSE  2drop  THEN
  424:     rdrop ;
  425: 
  426: \ toc handling
  427: 
  428: Variable toc-link
  429: 
  430: : >last ( addr link -- link' )
  431:     BEGIN  dup @  WHILE  @  REPEAT  ! 0 ;
  432: 
  433: Variable create-navs
  434: Variable nav$
  435: Variable nav-name
  436: Variable nav-file
  437: Create nav-buf 0 c,
  438: : nav+ ( char -- )  nav-buf c! nav-buf 1 nav-file $+! ;
  439: 
  440: : filenamize ( addr u -- )
  441:     bounds ?DO
  442: 	I c@  dup 'A 'Z 1+ within IF  bl + nav+
  443: 	ELSE  dup 'a 'z 1+ within IF  nav+
  444: 	ELSE  dup '0 '9 1+ within IF  nav+
  445: 	ELSE  dup  bl = swap '- = or IF  '- nav+
  446: 	THEN  THEN  THEN  THEN
  447:     LOOP ;
  448: : >nav ( addr u -- addr' u' )
  449:     nav-name $!  create-navs @ 0=
  450:     IF  s" navigate/nav.scm" r/w create-file throw create-navs !  THEN
  451:     s' (script-fu-nav-file "' nav$ $! nav-name $@ nav$ $+!
  452:     s' " "./navigate/' nav$ $+!  s" " nav-file $!
  453:     nav-name $@ filenamize
  454:     nav-file $@ nav$ $+! s' .jpg")' nav$ $+!
  455:     nav$ $@ create-navs @ write-line throw
  456:     s" [" nav$ $! nav-name $@ nav$ $+!
  457:     s" |-navigate/" nav$ $+! nav-file $@ nav$ $+! s" .jpg" nav$ $+!
  458:     nav$ $@ ;
  459: 
  460: : toc, ( n -- ) , '| parse >nav here 0 , $! 0 parse here 0 , $! ;
  461: : up-toc   align here toc-link >last , 0 toc, ;
  462: : top-toc  align here toc-link >last , 1 toc, ;
  463: : this-toc align here toc-link >last , 2 toc, ;
  464: : sub-toc  align here toc-link >last , 3 toc, ;
  465: : new-toc  toc-link off ;
  466: 
  467: Variable toc-name
  468: Variable toc-index
  469: 6 Value /toc-line
  470: 
  471: : .toc-entry ( toc flag -- )
  472:     swap cell+ dup @ swap cell+ dup cell+ $@ 2dup href= s" a" tag
  473:     '# scan 1 /string toc-name $@ compare >r
  474:     $@ .img swap
  475:     IF
  476: 	case
  477: 	    2 of  s" ^]|-@/arrow_up.jpg" .img  endof
  478: 	    3 of
  479: 		r@ 0= IF s" *]|-@/circle.jpg"
  480: 		    ELSE s" v]|-@/arrow_down.jpg"  THEN  .img  endof
  481: 	endcase
  482:     ELSE
  483: 	case
  484: 	    0 of  s" ^]|-@/arrow_up.jpg" .img  endof
  485: 	    1 of  s" >]|-@/arrow_right.jpg" .img  endof
  486: 	    2 of  s" *]|-@/circle.jpg" .img  endof
  487: 	    3 of  s" v]|-@/arrow_down.jpg" .img  endof
  488: 	endcase
  489:     THEN
  490:     s" a" /tag rdrop ." <!--" cr ." -->"
  491:     1 toc-index +! toc-index @ /toc-line mod 0=
  492:     IF  s" br" tag/ THEN ;
  493: 
  494: : print-toc ( -- ) toc-index off cr s" menu" class= s" div" >env cr
  495:     0 parse
  496:     dup 0= IF  toc-name $! 0  ELSE
  497: 	toc-name $! toc-name $@ id= s" " s" a" tagged  2
  498:     THEN  >r
  499:     toc-link  BEGIN  @ dup  WHILE
  500: 	dup cell+ @ 3 = r@ 0= and IF  rdrop 1 >r ( s" br" tag/ cr )  THEN
  501: 	dup cell+ @ r@ >= IF  dup r@ 2 = .toc-entry  THEN
  502: 	dup cell+ @ 2 = r@ 2 = and IF  s" br" tag/ toc-index off THEN
  503:     REPEAT  drop rdrop -env cr ;
  504: 
  505: \ handle global tags
  506: 
  507: : indent ( n -- )
  508:     indentlevel @ over
  509:     indentlevel !
  510:     2dup < IF swap DO  -env   LOOP  EXIT THEN
  511:     2dup > IF      DO   s" div" >env  LOOP EXIT THEN
  512:     2dup = IF drop IF  -env  s" div" >env  THEN THEN
  513: ;
  514: : +indent ( -- )
  515:     indentlevel @ IF  -env indent= s" div" >env  THEN
  516: ;
  517: 
  518: wordlist constant longtags
  519: 
  520: Variable divs
  521: 
  522: longtags set-current
  523: 
  524: : --- 0 indent cr s" hr" tag/ cr ;
  525: : *   1 indent s" h1" par +indent ;
  526: : **  1 indent s" h2" par +indent ;
  527: : *** 2 indent s" h3" par +indent ;
  528: : --  0 indent cr print-toc ;
  529: : &&  0 parse id= ;
  530: : -   s" ul" env s" li" par ;
  531: : +   s" ol" env s" li" par ;
  532: : ?   s" dl" env s" dt" par ;
  533: : :   s" dl" env s" dd" par ;
  534: : -<< s" ul" env env? s" li" >env ;
  535: : +<< s" ol" env env? s" li" >env ;
  536: \ : ?<< s" dl" env env? s" dt" >env ; \ not allowed
  537: : :<< s" dl" env env? s" dd" >env ;
  538: : p<< s" p" >env ;
  539: : <<  +env ;
  540: : <*  s" center" class= ;
  541: : <red  s" p" >env s" #ff0000" s" color" opt s" font" >env parse-par ;
  542: : red> -env -env ;
  543: : >>  -env ;
  544: : *> ;
  545: : ::  interpret ;
  546: : .   end-sec on 0 indent ;
  547: : :code s" pre" >env
  548:     BEGIN  source >in @ /string .type cr refill  WHILE
  549: 	source s" :endcode" str= UNTIL  THEN
  550:     -env ;
  551: : :code-file s" pre" >env
  552:     parse" slurp-file type -env ;
  553: : \   postpone \ ;
  554: 
  555: definitions
  556: 
  557: : LT  get-order longtags swap 1+ set-order
  558:     bl sword parser previous ; immediate
  559: 
  560: \ Table
  561: 
  562: : next-char ( -- char )  source drop >in @ + c@ ;
  563: : next-table ( -- )
  564:     BEGIN
  565: 	table-starts table# @ 2* + dup c@ dup
  566: 	IF    1- over c! 1+ c@ 1+  ELSE  swap 1+ c! 0  THEN
  567: 	dup WHILE  table# +!  REPEAT  drop
  568:     table-format $@ table# @ /string drop c@ taligned ! ;
  569: : next>align ( -- )
  570:     next-char dup bl <> over '\ <> and
  571:     IF  taligned ! 1 >in +!  ELSE  drop  THEN ;
  572: 
  573: : |tag ( addr u -- )
  574:     next-table
  575:     next-char '/ = IF  1 >in +!
  576: 	next-char digit?  IF
  577: 	    dup 1- table-starts table# @ 2* + c!
  578: 	    s" rowspan" opt# 1 >in +!  THEN
  579: 	next>align
  580:     THEN
  581:     next-char '\ = IF  1 >in +!
  582: 	next-char digit?  IF
  583: 	    dup 1- table-starts table# @ 2* + 1+ c!
  584: 	    dup 1- table# +!
  585: 	    s" colspan" opt# 1 >in +!  THEN
  586: 	next>align
  587:     THEN
  588:     taligned @ >talign >env
  589:     1 table# +! ;
  590: : |d  table# @ 0> IF  -env  THEN  s" td" |tag ;
  591: : |h  table# @ 0> IF  -env  THEN  s" th" |tag ;
  592: : |line  s" tr" >env table# off ;
  593: : line|  1 >in +! -env -env cr ;
  594: 
  595: longtags set-current
  596: 
  597: : <| ( -- )  table-starts &20 erase
  598:     s" table" class= s" div" >env
  599:     bl sword table-format $! bl sword
  600:     dup IF  s" border" opt  ELSE  2drop  THEN
  601:     s" table" >env ;
  602: : |> -env -env cr cr ;
  603: : +| ( -- )
  604:     |line  BEGIN  |h '| parse-to next-char '+ =  UNTIL line| ;
  605: : -| ( -- )
  606:     |line  BEGIN  |d '| parse-to next-char '- =  UNTIL line| ;
  607: : =| ( -- )
  608:     |line  |h '| parse-to
  609:            BEGIN  |d '| parse-to next-char '= =  UNTIL line| ;
  610: 
  611: definitions
  612: 
  613: \ parse a section
  614: 
  615: : section-par ( -- )  >in off
  616:     bl sword longtags search-wordlist
  617:     IF    execute
  618:     ELSE  source nip IF  >in off s" p" par  THEN  THEN ;
  619: : parse-section ( -- )  end-sec off
  620:     BEGIN  refill  WHILE
  621: 	section-par end-sec @  UNTIL  THEN  end-sec off ;
  622: 
  623: \ HTML head
  624: 
  625: Variable css-file
  626: Variable content
  627: Variable lang
  628: 
  629: : lang@  ( -- addr u )
  630:     lang @ IF  lang $@  ELSE  s" en"  THEN ;
  631: : .css ( -- )
  632:     css-file @ IF  css-file $@len IF
  633: 	    s" StyleSheet" s" rel" opt
  634: 	    css-file $@ href=
  635: 	    s" text/css" s" type" opt s" link" tag/ cr
  636: 	THEN  THEN ;
  637: : .title ( addr u -- )  1 envs ! oldenv off
  638:     .' <!DOCTYPE html' cr
  639:     .'   PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"' cr
  640:     .'   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">' cr
  641:     s" http://www.w3.org/1999/xhtml" s" xmlns" opt
  642:     lang@ s" xml:lang" opt lang@ s" lang" opt
  643:     s" html" >env cr s" head" >env cr
  644:     s" Content-Type" s" http-equiv" opt
  645:     content $@ s" content" opt
  646:     s" meta" tag/ cr .css
  647:     s" title" tagged cr
  648:     -env ;
  649: 
  650: \ HTML trailer
  651: 
  652: Variable public-key
  653: Variable mail
  654: Variable mail-name
  655: Variable orig-date
  656: 
  657: : .lastmod
  658:     ." Last modified: " time&date rot 0 u.r swap 1-
  659:     s" janfebmaraprmayjunjulaugsepoctnovdec" rot 3 * /string 3 min type
  660:     0 u.r ;
  661: 
  662: : .trailer
  663:     s" center" class= s" address" >env
  664:     orig-date @ IF  ." Created " orig-date $@ type ." . "  THEN
  665:     .lastmod
  666:  ."  by "
  667:     s" Mail|@/mail.gif" .img mail $@ mailto: mail-name $@ s" a" tagged
  668:     public-key @ IF
  669: 	public-key $@ href=  s" a" tag
  670: 	s" PGP key|@/gpg.asc.gif" .img s" a" /tag
  671:     THEN
  672:     -envs ;
  673: 
  674: \ top word
  675: 
  676: : maintainer ( -- )
  677:     '< sword -trailing mail-name $! '> sword mail $! ;
  678: : pgp-key ( -- )
  679:     bl sword -trailing public-key $! ;
  680: : charset ( -- )  s" text/xhtml; charset=" content $!
  681:     bl sword -trailing content $+! ;
  682: 
  683: charset iso-8859-1
  684: 
  685: : created ( -- )
  686:     bl sword orig-date $! ;
  687: : icons
  688:     bl sword icon-prefix $! ;
  689: : lang
  690:     bl sword lang $! ;
  691: : expands '# sword expand-prefix $! bl sword expand-postfix $! ;
  692: 
  693: icons icons
  694: 
  695: Variable style$
  696: : style> style$ @ 0= IF  s" " style$ $!  THEN  style$ $@ tag-option $! ;
  697: : >style tag-option $@ style$ $! s" " tag-option $! ;
  698: 
  699: : style  style> opt >style ;
  700: : background ( -- )  parse" s" background" style ;
  701: : text ( -- )  parse" s" text" style ;
  702:     warnings @ warnings off
  703: : link ( -- )  parse" s" link" style ;
  704:     warnings !
  705: : vlink ( -- ) parse" s" vlink" style ;
  706: : marginheight ( -- ) parse" s" marginheight" style ;
  707: : css ( -- ) parse" css-file $! ;
  708: 
  709: : wf ( -- )
  710:     outfile-id >r
  711:     bl sword r/w create-file throw to outfile-id
  712:     parse" .title
  713:     +env style> s" body" env env?
  714:     ['] parse-section catch .trailer
  715:     outfile-id close-file throw
  716:     r> to outfile-id
  717:     dup 0< IF  throw  ELSE  drop  THEN ;
  718: 
  719: : eval-par ( addr u -- )
  720:   s" wf-temp.wf" r/w create-file throw >r
  721:   r@ write-file r> close-file throw
  722:   push-file s" wf-temp.wf" r/o open-file throw loadfile !
  723:   parse-par -env parse-section
  724:   loadfile @ close-file swap 2dup or
  725:   pop-file  drop throw throw
  726:   s" wf-temp.wf" delete-file throw ;
  727: 
  728: \ simple text data base
  729: 
  730: Variable last-entry
  731: Variable field#
  732: 
  733: : table: ( xt n -- )  Create 0 , ['] type , , ,  1 field# !
  734:     DOES> 2 cells + 2@ >in @ >r longtags set-current
  735:     Create definitions swap , r> >in !
  736:     here last-entry !
  737:     dup 0 DO  0 ,  LOOP
  738:     1 DO  s" " last-entry @ I cells + $!  LOOP
  739:     last-entry @ get-rest
  740:     DOES> dup cell+ swap perform ;
  741: 
  742: : field:  Create field# @ , ['] type , 1 field# +!
  743: DOES> @ cells last-entry @ + get-rest ;
  744: : par:  Create field# @ , ['] eval-par , 1 field# +!
  745: DOES> @ cells last-entry @ + get-par ;
  746: 
  747: : >field-rest >body @ cells postpone Literal postpone + ;
  748: : >field ' >field-rest ; immediate
  749: 
  750: : db-line ( -- )
  751:     BEGIN
  752: 	source >in @ /string nip  WHILE
  753: 	    '% parse  postpone SLiteral postpone type
  754: 	    '% parse dup IF
  755: 		'| $split 2swap
  756: 		sfind 0= abort" Field not found"
  757: 		dup postpone r@ >field-rest  postpone $@
  758: 		over IF  drop evaluate  ELSE
  759: 		    nip nip >body cell+ @ compile,
  760: 		THEN
  761: 	    ELSE  2drop  postpone cr  THEN
  762:     REPEAT ;
  763: 
  764: : db-par ( -- )  LT postpone p<< postpone >r
  765:     BEGIN  db-line refill  WHILE  next-char '. = UNTIL  1 >in +!  THEN
  766:     postpone rdrop ( LT postpone >> ) ; immediate

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