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: : name= ( addr u -- ) s" name" opt ;
23: : src= ( addr u -- ) s" src" opt ;
24: : alt= ( addr u -- ) s" alt" opt ;
25: : width= ( addr u -- ) s" width" opt ;
26: : height= ( addr u -- ) s" height" opt ;
27: : align= ( addr u -- ) s" align" opt ;
28: : mailto: ( addr u -- ) s' href="mailto:' tag-option $+!
29: tag-option $+! s' "' tag-option $+! ;
30:
31: \ environment handling
32:
33: Variable oldenv
34: Variable envs 30 0 [DO] 0 , [LOOP]
35:
36: : env$ ( -- addr ) envs dup @ 1+ cells + ;
37: : env ( addr u -- ) env$ $! ;
38: : env? ( -- ) envs @ oldenv @
39: 2dup > IF env$ $@ tag THEN
40: 2dup < IF env$ cell+ $@ /tag env$ cell+ $off THEN
41: drop oldenv ! ;
42: : +env 1 envs +! ;
43: : -env -1 envs +! env? ;
44: : -envs envs @ 0 ?DO -env cr LOOP ;
45: : >env ( addr u -- ) +env env env? ;
46:
47: \ alignment
48:
49: : >align ( c -- )
50: CASE
51: 'l OF s" left" align= ENDOF
52: 'r OF s" right" align= ENDOF
53: 'c OF s" center" align= ENDOF
54: '< OF s" left" align= ENDOF
55: '> OF s" right" align= ENDOF
56: '| OF s" center" align= ENDOF
57: ENDCASE ;
58:
59: : >border ( c -- )
60: case
61: '- of s" 0" s" border" opt endof
62: '+ of s" 1" s" border" opt endof
63: endcase ;
64:
65: \ image handling
66:
67: Create imgbuf $20 allot
68:
69: Create pngsig $89 c, $50 c, $4E c, $47 c, $0D c, $0A c, $1A c, $0A c,
70: Create jfif $FF c, $D8 c, $FF c, $E0 c, $00 c, $10 c, $4A c, $46 c,
71: $49 c, $46 c,
72:
73: : b@ ( addr -- x ) 0 swap 4 bounds ?DO 8 lshift I c@ + LOOP ;
74: : bw@ ( addr -- x ) 0 swap 2 bounds ?DO 8 lshift I c@ + LOOP ;
75:
76: : gif? ( -- flag )
77: s" GIF89a" imgbuf over compare 0=
78: s" GIF87a" imgbuf over compare 0= or ;
79: : gif-size ( -- w h )
80: imgbuf 8 + c@ imgbuf 9 + c@ 8 lshift +
81: imgbuf 6 + c@ imgbuf 7 + c@ 8 lshift + ;
82:
83: : png? ( -- flag )
84: pngsig 8 imgbuf over compare 0= ;
85: : png-size ( -- w h )
86: imgbuf $14 + b@ imgbuf $10 + b@ ;
87:
88: : jpg? ( -- flag )
89: jfif 10 imgbuf over compare 0= ;
90: : jpg-size ( fd -- w h ) >r
91: 2. BEGIN
92: 2dup r@ reposition-file throw
93: imgbuf $10 r@ read-file throw 0<>
94: imgbuf bw@ $FFC0 $FFD0 within 0= and WHILE
95: imgbuf 2 + bw@ 2 + 0 d+ REPEAT
96: 2drop imgbuf 5 + bw@ imgbuf 7 + bw@ rdrop ;
97:
98: : img-size ( fd -- w h ) >r
99: gif? IF gif-size rdrop EXIT THEN
100: jpg? IF r> jpg-size EXIT THEN
101: png? IF png-size rdrop EXIT THEN
102: 0 0 ;
103:
104: : .img-size ( addr u -- )
105: r/o open-file IF drop EXIT THEN >r
106: imgbuf $20 r@ read-file throw drop
107: r@ img-size
108: r> close-file throw
109: ?dup IF 0 <# #S #> width= THEN
110: ?dup IF 0 <# #S #> height= THEN ;
111:
112: \ link creation
113:
114: Variable link
115: Variable link-sig
116: Variable link-suffix
117: Variable iconpath
118:
119: Variable do-size
120: Variable do-icon
121:
122: Defer parse-line
123:
124: : alt-suffix ( -- )
125: link-suffix $@len 2 - link-suffix $!len
126: s" [" link-suffix 0 $ins
127: s" ]" link-suffix $+!
128: link-suffix $@ alt= ;
129:
130: : get-icon ( addr u -- ) iconpath @ IF 2drop EXIT THEN
131: link-suffix $! s" .*" link-suffix $+!
132: s" icons" open-dir throw >r
133: BEGIN
134: pad $100 r@ read-dir throw WHILE
135: pad swap 2dup link-suffix $@ filename-match
136: IF s" icons/" iconpath $! iconpath $+!
137: iconpath $@ 2dup .img-size src= '- >border
138: alt-suffix s" img" tag true
139: ELSE 2drop false THEN
140: UNTIL ELSE drop THEN
141: r> close-dir throw ;
142:
143: : link-icon? ( -- ) do-icon @ 0= ?EXIT
144: iconpath @ IF iconpath $off THEN
145: link $@ + 1- c@ '/ = IF s" index.html" ELSE link $@ THEN
146: BEGIN '. $split 2swap 2drop dup WHILE
147: 2dup get-icon REPEAT 2drop ;
148:
149: : link-size? ( -- ) do-size @ 0= ?EXIT
150: link $@ r/o open-file IF drop EXIT THEN >r
151: r@ file-size throw $400 um/mod nip ." (" 0 u.r ." k)"
152: r> close-file throw ;
153:
154: : link-sig? ( -- )
155: link $@ link-sig $! s" .sig" link-sig $+!
156: link-sig $@ r/o open-file IF drop EXIT THEN
157: close-file throw
158: ." (" link-sig $@ href= s" a" tag
159: s" icons/sig.gif" '- >border src= s" img" tag ." sig" s" /a" tag ." )" ;
160:
161: : link-options ( addr u -- addr' u' )
162: do-size off do-icon on
163: over c@ '% = over 0> and IF do-size on 1 /string THEN
164: over c@ '\ = over 0> and IF do-icon off 1 /string THEN ;
165:
166: : parse-string ( addr u -- )
167: evaluate-input cell new-tib #tib ! tib !
168: ['] parse-line catch pop-file throw ;
169:
170: : .link ( addr u -- ) '| $split
171: link-options link $!
172: link $@len 0= IF 2dup link $! s" .html" link $+! THEN
173: link $@ href= s" a" tag link-icon?
174: parse-string s" a" /tag link-size? link-sig? ;
175: : >link ( -- ) '[ parse type '] parse .link ;
176:
177: : .img ( addr u -- ) '| $split
178: dup IF 2swap alt= ELSE 2drop THEN
179: tag-option $@len >r over c@ >align tag-option $@len r> = 1+ /string
180: tag-option $@len >r over c@ >border tag-option $@len r> = 1+ /string
181: 2dup .img-size src= s" img" tag ;
182: : >img ( -- ) '{ parse type '} parse .img ;
183:
184: \ line handling
185:
186: : char? ( -- c ) >in @ char swap >in ! ;
187: : parse-tag ( addr u char -- )
188: >r r@ parse type
189: r> parse 2swap tagged ;
190:
191: : .text ( -- ) >in @ >r char drop
192: source r@ /string >in @ r> - nip
193: bounds ?DO I c@
194: case
195: '& of ." &" endof
196: '< of ." <" endof
197: dup emit
198: endcase
199: LOOP ;
200:
201: Create do-words $100 0 [DO] ' .text , [LOOP]
202:
203: :noname '( emit 1 >in +! ; '( cells do-words + !
204:
205: : bind-char ( xt -- ) char cells do-words + ! ;
206:
207: : char>tag ( -- ) char >r
208: :noname bl sword postpone SLiteral r@ postpone Literal
209: postpone parse-tag postpone ; r> cells do-words + ! ;
210:
211: char>tag * b
212: char>tag _ em
213: char>tag # code
214:
215: ' >link bind-char [
216: ' >img bind-char {
217:
218: : do-word ( char -- ) cells do-words + perform ;
219:
220: : word? ( -- addr u ) >in @ >r bl sword r> >in ! ;
221:
222: wordlist Constant autoreplacements
223:
224: :noname ( -- )
225: BEGIN char? do-word source nip >in @ = UNTIL ; is parse-line
226:
227: : parse-line+ ( -- )
228: BEGIN
229: word? autoreplacements search-wordlist
230: IF execute bl sword 2drop
231: source >in @ 1- /string drop c@ bl = >in +!
232: ELSE char? do-word THEN
233: source nip >in @ = UNTIL ;
234:
235: : parse-to ( char -- ) >r
236: BEGIN char? dup r@ <> WHILE
237: do-word source nip >in @ = UNTIL ELSE drop THEN
238: r> parse type ;
239:
240: \ autoreplace
241:
242: : autoreplace ( <[string|url]> -- )
243: get-current autoreplacements set-current
244: Create set-current
245: here 0 , '[ parse 2drop '] parse rot $!
246: DOES> $@ .link ;
247:
248: \ paragraph handling
249:
250: : parse-par ( -- )
251: BEGIN parse-line+ cr refill WHILE
252: source nip 0= UNTIL THEN ;
253:
254: : par ( addr u -- ) env? 2dup tag parse-par /tag cr cr ;
255: : line ( addr u -- ) env? 2dup tag parse-line+ /tag cr cr ;
256:
257: \ scan strings
258:
259: : get-rest ( addr -- ) 0 parse -trailing rot $! ;
260: Create $lf 1 c, #lf c,
261: : get-par ( addr -- ) >r s" " r@ $+!
262: BEGIN 0 parse 2dup s" ." compare WHILE
263: r@ $@len IF $lf count r@ $+! THEN r@ $+!
264: refill 0= UNTIL ELSE 2drop THEN
265: rdrop ;
266:
267: \ toc handling
268:
269: Variable toc-link
270:
271: : >last ( addr link -- link' )
272: BEGIN dup @ WHILE @ REPEAT ! 0 ;
273:
274: : toc, ( n -- ) , '| parse here 0 , $! here 0 , get-rest ;
275: : up-toc align here toc-link >last , 0 toc, ;
276: : top-toc align here toc-link >last , 1 toc, ;
277: : this-toc align here toc-link >last , 2 toc, ;
278: : sub-toc align here toc-link >last , 3 toc, ;
279:
280: Variable toc-name
281:
282: : .toc-entry ( toc flag -- )
283: swap cell+ dup @ swap cell+ dup cell+ $@ 2dup href= s" a" tag
284: 1 /string toc-name $@ compare >r
285: $@ .img swap
286: IF
287: case
288: 2 of s" -icons/arrow_up.jpg" .img endof
289: 3 of
290: r@ 0= IF s" -icons/circle.jpg"
291: ELSE s" -icons/arrow_down.jpg" THEN .img endof
292: endcase
293: ELSE
294: case
295: 0 of s" -icons/arrow_up.jpg" .img endof
296: 1 of s" -icons/arrow_right.jpg" .img endof
297: 2 of s" -icons/circle.jpg" .img endof
298: 3 of s" -icons/arrow_down.jpg" .img endof
299: endcase
300: THEN
301: s" a" /tag rdrop
302: ;
303: : print-toc ( -- ) cr 0 parse
304: dup 0= IF toc-name $! 0 ELSE
305: toc-name $! toc-name $@ name= s" " s" a" tagged 2
306: THEN >r
307: toc-link BEGIN @ dup WHILE
308: dup cell+ @ 3 = r@ 0= and IF rdrop 1 >r s" br" tag THEN
309: dup cell+ @ r@ >= IF dup r@ 2 = .toc-entry THEN
310: dup cell+ @ 2 = r@ 2 = and IF s" br" tag THEN
311: REPEAT drop rdrop cr ;
312:
313: \ handle global tags
314:
315: Variable indentlevel
316: : indent ( n -- ) indentlevel @ over indentlevel !
317: 2dup < IF swap DO -env -env LOOP EXIT THEN
318: 2dup > IF DO s" dl" >env s" dt" >env LOOP EXIT THEN
319: 2dup = IF drop IF -env s" dt" >env THEN THEN ;
320: : +indent ( -- ) -env s" dd" >env ;
321:
322: wordlist constant longtags
323:
324: Variable end-sec
325:
326: longtags set-current
327:
328: : --- 0 indent cr s" hr" tag cr +indent ;
329: : * 1 indent s" h1" line +indent ;
330: : ** 1 indent s" h2" line +indent ;
331: : *** 2 indent s" h3" line +indent ;
332: : -- 0 indent cr print-toc ;
333: : - s" ul" env s" li" par ;
334: : + s" ol" env s" li" par ;
335: : << +env ;
336: : <* s" center" >env ;
337: : <red s" #ff0000" s" color" opt s" font" >env ;
338: : red> -env ;
339: : >> -env ;
340: : *> -env ;
341: : :: interpret ;
342: : . end-sec on indentlevel off ;
343: : :code s" pre" >env
344: BEGIN source >in @ /string type cr refill WHILE
345: source s" :endcode" compare 0= UNTIL THEN
346: -env ;
347: : \ postpone \ ;
348:
349: definitions
350:
351: \ Table
352:
353: Variable table-format
354: Variable table#
355:
356: : |tag table-format $@ table# @ /string drop c@ >align
357: >env 1 table# +! ;
358: : |d table# @ IF -env THEN s" td" |tag ;
359: : |h table# @ IF -env THEN s" th" |tag ;
360: : |line s" tr" >env table# off ;
361: : line| -env -env cr ;
362:
363: : next-char ( -- char ) source drop >in @ + c@ ;
364:
365: longtags set-current
366:
367: : <| s" table" >env bl sword table-format $! ;
368: : |> -env ;
369: : +| |line
370: BEGIN
371: |h '| parse-to next-char '+ = UNTIL line| ;
372: : -| |line
373: BEGIN
374: |d '| parse-to next-char '- = UNTIL line| ;
375:
376: definitions
377:
378: \ parse a section
379:
380: : section-line ( -- ) >in off
381: bl sword longtags search-wordlist
382: IF execute
383: ELSE source nip IF >in off s" p" par THEN THEN ;
384: : refill-loop ( -- ) end-sec off
385: BEGIN refill WHILE
386: section-line end-sec @ UNTIL THEN ;
387: : parse-section ( -- )
388: refill-loop ;
389:
390: \ HTML head
391:
392: : .title ( addr u -- )
393: .' <!doctype html public "-//w3c//dtd html 4.0 transitional//en">' cr
394: s" html" >env s" head" >env
395: .' <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">' cr
396: s" title" tagged cr
397: -env ;
398:
399: \ HTML trailer
400:
401: Variable mail
402: Variable mail-name
403:
404: : .trailer
405: s" address" >env s" center" >env
406: ." Last modified: " time&date rot 0 u.r swap 1-
407: s" janfebmaraprmayjunjulaugsepoctnovdec" rot 3 * /string 3 min type
408: 0 u.r ." by "
409: s" Mail|icons/mail.gif" .img mail $@ mailto: mail-name $@ s" a" tagged
410: -envs ;
411:
412: \ top word
413:
414: : parse" ( -- addr u ) '" parse 2drop '" parse ;
415:
416: : maintainer
417: bl sword mail $! parse" mail-name $! ;
418:
419: Variable style$
420: : style> style$ @ 0= IF s" " style$ $! THEN style$ $@ tag-option $! ;
421: : >style tag-option $@ style$ $! s" " tag-option $! ;
422:
423: : style style> opt >style ;
424: : background ( -- ) parse" s" background" style ;
425: : text ( -- ) parse" s" text" style ;
426: warnings @ warnings off
427: : link ( -- ) parse" s" link" style ;
428: warnings !
429: : vlink ( -- ) parse" s" vlink" style ;
430: : marginheight ( -- ) parse" s" marginheight" style ;
431:
432: : wf ( -- )
433: outfile-id >r
434: bl sword r/w create-file throw to outfile-id
435: parse" .title
436: +env style> s" body" env env?
437: ['] parse-section catch .trailer
438: outfile-id close-file throw
439: r> to outfile-id
440: dup 0< IF throw ELSE drop THEN ;
441:
442: : eval-par ( addr u -- )
443: s" wf-temp.wf" r/w create-file throw >r
444: r@ write-file r> close-file throw
445: push-file s" wf-temp.wf" r/o open-file throw loadfile !
446: parse-par parse-section
447: loadfile @ close-file swap 2dup or
448: pop-file drop throw throw
449: s" wf-temp.wf" delete-file throw ;
450:
451: \ simple text data base
452:
453: Variable last-entry
454: Variable field#
455:
456: : table: ( xt n -- ) Create , , 1 field# !
457: DOES> 2@ >in @ >r longtags set-current
458: Create definitions swap , r> >in !
459: here last-entry !
460: dup 0 DO 0 , LOOP
461: 1 DO s" " last-entry @ I cells + $! LOOP
462: last-entry @ get-rest
463: DOES> dup cell+ swap perform ;
464:
465: : field: Create field# @ , 1 field# +!
466: DOES> @ cells last-entry @ + get-rest ;
467: : par: Create field# @ , 1 field# +!
468: DOES> @ cells last-entry @ + get-par ;
469:
470: : >field ' >body @ cells postpone Literal postpone + ; immediate
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>