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