File:  [gforth] / gforth / wf.fs
Revision 1.6: download - view: text, annotated - select for diffs
Sun Jul 22 21:04:15 2001 UTC (18 years, 1 month ago) by pazsan
Branches: MAIN
CVS tags: HEAD
Some further modification to wiki for Forth

    1: \ wiki forth
    2: 
    3: require string.fs
    4: 
    5: \ tag handling
    6: 
    7: : .' '' parse postpone SLiteral postpone type ; immediate
    8: : s' '' parse postpone SLiteral ; immediate
    9: 
   10: Variable tag-option
   11: s" " tag-option $!
   12: 
   13: : tag ( addr u -- ) '< emit type tag-option $@ type '> emit
   14:     s" " tag-option $! ;
   15: : /tag ( addr u -- ) '< emit '/ emit type '> emit ;
   16: : tagged ( addr1 u1 addr2 u2 -- )  2dup 2>r tag type 2r> /tag ;
   17: 
   18: : opt ( addr u opt u -- )  s"  " tag-option $+!
   19:     tag-option $+! s' ="' tag-option $+! tag-option $+!
   20:     s' "' tag-option $+! ;
   21: : href= ( addr u -- )  s" href" opt ;
   22: : src=  ( addr u -- )  s" src" opt ;
   23: : alt=  ( addr u -- )  s" alt" opt ;
   24: : align= ( addr u -- ) s" align" opt ;
   25: : mailto: ( addr u -- ) s'  href="mailto:' tag-option $+!
   26:     tag-option $+! s' "' tag-option $+! ;
   27: 
   28: \ environment handling
   29: 
   30: Variable oldenv
   31: Variable envs 10 0 [DO] 0 , [LOOP]
   32: 
   33: : env$ ( -- addr ) envs dup @ 1+ cells + ;
   34: : env ( addr u -- ) env$ $! ;
   35: : env? ( -- ) envs @ oldenv @
   36:     2dup > IF  env$ $@ tag  THEN
   37:     2dup < IF  env$ cell+ $@ /tag  env$ cell+ $off  THEN
   38:     drop oldenv ! ;
   39: : +env  1 envs +! ;
   40: : -env -1 envs +! env? ;
   41: : -envs envs @ 0 ?DO  -env cr  LOOP ;
   42: : >env ( addr u -- ) +env env env? ;
   43: 
   44: \ alignment
   45: 
   46: : >align ( c -- )
   47:     CASE
   48: 	'l OF  s" left"   align=  ENDOF
   49: 	'r OF  s" right"  align=  ENDOF
   50: 	'c OF  s" center" align=  ENDOF
   51: 	'< OF  s" left"   align=  ENDOF
   52: 	'> OF  s" right"  align=  ENDOF
   53: 	'| OF  s" center" align=  ENDOF
   54:     ENDCASE ;
   55: 
   56: \ link creation
   57: 
   58: Variable link
   59: Variable link-suffix
   60: Variable iconpath
   61: 
   62: Variable do-size
   63: 
   64: : get-icon ( addr u -- )  iconpath @ IF  2drop  EXIT  THEN
   65:     link-suffix $! s" .*" link-suffix $+!
   66:     s" icons" open-dir throw >r
   67:     BEGIN
   68: 	pad $100 r@ read-dir throw  WHILE
   69: 	pad swap 2dup link-suffix $@ filename-match
   70: 	IF  s" icons/" iconpath $! iconpath $+!
   71: 	    iconpath $@ src= s" img" tag true
   72: 	ELSE  2drop  false  THEN
   73:     UNTIL  ELSE  drop  THEN
   74:     r> close-dir throw ;
   75: 
   76: : link-icon? ( -- )  iconpath @  IF  iconpath $off  THEN
   77:     link '. ['] get-icon $iter ;
   78: 
   79: : link-size? ( -- )  do-size @ 0= ?EXIT
   80:     link $@ r/o open-file IF  drop  EXIT  THEN >r
   81:     r@ file-size throw $400 um/mod nip ."  (" 0 u.r ." k)"
   82:     r> close-file throw ;
   83: 
   84: : link-options ( addr u -- addr' u' )
   85:     do-size off
   86:     over c@ '% = over 0> and IF  do-size on  1 /string  THEN ;
   87: 
   88: : .link ( -- )  '[ parse type '] parse '| $split
   89:     link-options link $!
   90:     link $@len 0= IF  2dup link $! s" .html" link $+!  THEN
   91:     link-icon? link $@ href= s" a" tagged
   92:     link-size? ;
   93: 
   94: : .img ( -- ) '{ parse type '} parse '| $split
   95:     dup IF  2swap alt=  ELSE  2drop  THEN
   96:     tag-option $@len >r over c@ >align tag-option $@len r> = 1+ /string
   97:     src= s" img" tag ;
   98: 
   99: \ line handling
  100: 
  101: : char? ( -- c )  >in @ char swap >in ! ;
  102: : parse-tag ( addr u char -- )
  103:     >r r@ parse type
  104:     r> parse 2swap tagged ;
  105: 
  106: : .text ( -- ) 	>in @ >r char drop
  107:     source r@ /string >in @ r> - nip type ;
  108: 
  109: Create do-words  $100 0 [DO] ' .text , [LOOP]
  110: 
  111: : bind-char ( xt -- )  char cells do-words + ! ;
  112: 
  113: : char>tag ( -- ) char >r
  114: :noname bl sword postpone SLiteral r@ postpone Literal
  115:     postpone parse-tag postpone ; r> cells do-words + ! ;
  116: 
  117: char>tag * b
  118: char>tag _ em
  119: char>tag # code
  120: 
  121: ' .link bind-char [
  122: ' .img  bind-char {
  123: 
  124: : do-word ( char -- )  cells do-words + perform ;
  125: 
  126: : parse-line ( -- )
  127:     BEGIN  char? do-word source nip >in @ = UNTIL ;
  128: 
  129: : parse-to ( char -- ) >r
  130:     BEGIN  char? dup r@ <> WHILE
  131: 	do-word source nip >in @ = UNTIL  ELSE  drop  THEN
  132:     r> parse type ;
  133: 
  134: \ paragraph handling
  135: 
  136: : parse-par ( -- )
  137:     BEGIN  parse-line cr refill  WHILE
  138: 	source nip 0= UNTIL  THEN ;
  139: 
  140: : par ( addr u -- ) env? 2dup tag parse-par /tag cr cr ;
  141: : line ( addr u -- ) env? 2dup tag parse-line /tag cr cr ;
  142: 
  143: \ handle global tags
  144: 
  145: wordlist constant longtags
  146: 
  147: Variable end-sec
  148: 
  149: longtags set-current
  150: 
  151: : --- cr s" hr" tag cr ;
  152: : * s" h1" line ;
  153: : ** s" h2" line ;
  154: : *** s" h3" line ;
  155: : - s" ul" env s" li" par ;
  156: : + s" ol" env s" li" par ;
  157: : << +env ;
  158: : <* s" center" >env ;
  159: : >> -env ;
  160: : *> -env ;
  161: : . end-sec on ;
  162: : \ postpone \ ;
  163: 
  164: definitions
  165:     
  166: \ Table
  167: 
  168: Variable table-format
  169: Variable table#
  170: 
  171: : |tag  table-format $@ table# @ /string drop c@ >align
  172:     >env  1 table# +! ;
  173: : |d  table# @ IF  -env  THEN  s" td" |tag ;
  174: : |h  table# @ IF  -env  THEN  s" th" |tag ;
  175: : |line  s" tr" >env  table# off ;
  176: : line|  -env -env cr ;
  177: 
  178: : next-char ( -- char )  source drop >in @ + c@ ;
  179: 
  180: longtags set-current
  181: 
  182: : <| s" table" >env bl sword table-format $! ;
  183: : |> -env ;
  184: : +| |line
  185:     BEGIN
  186: 	|h '| parse-to next-char '+ =  UNTIL line| ;
  187: : -| |line
  188:     BEGIN
  189: 	|d '| parse-to next-char '- =  UNTIL line| ;
  190: 
  191: definitions
  192: 
  193: \ parse a section
  194: 
  195: : refill-loop ( -- )  end-sec off
  196:     BEGIN  refill  WHILE  >in off
  197: 	bl sword find-name
  198: 	?dup IF  name>int execute
  199: 	ELSE  source nip IF  >in off s" p" par  THEN  THEN
  200: 	end-sec @ UNTIL  THEN ;
  201: : parse-section ( -- )
  202:     get-order  longtags 1 set-order  refill-loop set-order ;
  203: 
  204: \ HTML head
  205: 
  206: : .title ( addr u -- )
  207:     .' <!doctype html public "-//w3c//dtd html 4.0 transitional//en">' cr
  208:     s" html" >env s" head" >env
  209:     .'   <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">' cr
  210:     s" title" tagged cr
  211:     -env ;
  212: 
  213: \ HTML trailer
  214: 
  215: Variable mail
  216: Variable mail-name
  217: 
  218: : .trailer
  219:     s" address" >env s" center" >env
  220:     ." Last modified: " time&date rot 0 u.r swap 1-
  221:     s" janfebmaraprmayjunjulaugsepoctnovdec" rot 3 * /string 3 min type
  222:     0 u.r ."  by "
  223:     mail $@ mailto: mail-name $@ s" a" tagged
  224:     -envs ;
  225: 
  226: \ top word
  227: 
  228: : parse" ( -- addr u ) '" parse 2drop '" parse ;
  229: 
  230: : maintainer
  231:     bl sword mail $! parse" mail-name $! ;
  232: 
  233: Variable style$
  234: : style> style$ @ 0= IF  s" " style$ $!  THEN  style$ $@ tag-option $! ;
  235: : >style tag-option $@ style$ $! s" " tag-option $! ;
  236: 
  237: : style  style> opt >style ;
  238: : background ( -- )  parse" s" background" style ;
  239: : text ( -- )  parse" s" text" style ;
  240:     warnings @ warnings off
  241: : link ( -- )  parse" s" link" style ;
  242:     warnings !
  243: : vlink ( -- ) parse" s" vlink" style ;
  244: : marginheight ( -- ) parse" s" marginheight" style ;
  245: 
  246: : wf ( -- )
  247:     outfile-id >r
  248:     bl sword r/w create-file throw to outfile-id
  249:     parse" .title
  250:     +env style> s" body" env env?
  251:     ['] parse-section catch .trailer
  252:     outfile-id close-file throw
  253:     r> to outfile-id
  254:     dup 0< IF  throw  ELSE  drop  THEN ;
  255: 
  256: \ simple text data base
  257: 
  258: : get-rest ( addr -- ) 0 parse -trailing rot $! ;
  259: 
  260: Variable last-entry
  261: Variable field#
  262: 
  263: : table: ( xt n -- )  Create , ,  1 field# !
  264:     DOES> 2@ >in @ >r longtags set-current
  265:     Create definitions swap , r> >in !
  266:     here last-entry !
  267:     dup 0 DO  0 ,  LOOP
  268:     1 DO  s" " last-entry @ I cells + $!  LOOP
  269:     last-entry @ get-rest
  270:     DOES> dup cell+ swap perform ;
  271: 
  272: : field:  Create field# @ , 1 field# +!
  273: DOES> @ cells last-entry @ + get-rest ;
  274: 
  275: : >field  ' >body @ cells postpone Literal postpone + ; immediate

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>