File:  [gforth] / gforth / wf.fs
Revision 1.3: download - view: text, annotated - select for diffs
Tue Jul 17 13:14:12 2001 UTC (18 years, 1 month ago) by pazsan
Branches: MAIN
CVS tags: HEAD
Added HTML table, easier ways to add options to a tag

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

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