\ wiki forth
\ Copyright (C) 2003 Free Software Foundation, Inc.
\ This file is part of Gforth.
\ Gforth is free software; you can redistribute it and/or
\ modify it under the terms of the GNU General Public License
\ as published by the Free Software Foundation; either version 2
\ of the License, or (at your option) any later version.
\ This program is distributed in the hope that it will be useful,
\ but WITHOUT ANY WARRANTY; without even the implied warranty of
\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\ GNU General Public License for more details.
\ You should have received a copy of the GNU General Public License
\ along with this program; if not, write to the Free Software
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
require string.fs
: -scan ( addr u char -- addr' u' )
>r BEGIN dup WHILE 1- 2dup + c@ r@ = UNTIL THEN
rdrop ;
: -$split ( addr u char -- addr1 u1 addr2 u2 )
>r 2dup r@ -scan 2dup + c@ r> = negate over + >r
2swap r> /string ;
\ tag handling
: .' '' parse postpone SLiteral postpone type ; immediate
: s' '' parse postpone SLiteral ; immediate
Variable tag-option
s" " tag-option $!
: tag ( addr u -- ) '< emit type tag-option $@ type '> emit
s" " tag-option $! ;
: /tag ( addr u -- ) '< emit '/ emit type '> emit ;
: tagged ( addr1 u1 addr2 u2 -- ) 2dup 2>r tag type 2r> /tag ;
: opt ( addr u opt u -- ) s" " tag-option $+!
tag-option $+! s' ="' tag-option $+! tag-option $+!
s' "' tag-option $+! ;
: href= ( addr u -- ) s" href" opt ;
: name= ( addr u -- ) s" name" opt ;
: src= ( addr u -- ) s" src" opt ;
: alt= ( addr u -- ) s" alt" opt ;
: width= ( addr u -- ) s" width" opt ;
: height= ( addr u -- ) s" height" opt ;
: align= ( addr u -- ) s" align" opt ;
: mailto: ( addr u -- ) s' href="mailto:' tag-option $+!
tag-option $+! s' "' tag-option $+! ;
\ environment handling
Variable end-sec
Variable oldenv
Variable envs 30 0 [DO] 0 , [LOOP]
: env$ ( -- addr ) envs dup @ 1+ cells + ;
: env ( addr u -- ) env$ $! ;
: env? ( -- ) envs @ oldenv @
2dup > IF env$ $@ tag THEN
2dup < IF env$ cell+ $@ /tag env$ cell+ $off THEN
drop oldenv ! ;
: +env 1 envs +! ;
: -env end-sec @ envs @ 2 > or IF -1 envs +! env? THEN ;
: -envs envs @ 0 ?DO -env cr LOOP ;
: >env ( addr u -- ) +env env env? ;
\ alignment
Variable table-format
Variable table#
Variable table-start
: >align ( c -- )
CASE
'l OF s" left" align= ENDOF
'r OF s" right" align= ENDOF
'c OF s" center" align= ENDOF
'< OF s" left" align= ENDOF
'> OF s" right" align= ENDOF
'= OF s" center" align= ENDOF
'~ OF s" absmiddle" align= ENDOF
ENDCASE ;
: >talign ( c -- )
CASE
'l OF s" left" align= ENDOF
'r OF s" right" align= ENDOF
'c OF s" center" align= ENDOF
'< OF s" left" align= ENDOF
'> OF s" right" align= ENDOF
'= OF s" center" align= ENDOF
digit? IF 0 <# #S #> s" rowspan" opt
table# @ 1+ table-start ! THEN 0
ENDCASE ;
: >border ( c -- )
case
'- of s" 0" s" border" opt endof
'+ of s" 1" s" border" opt endof
endcase ;
\ image handling
Create imgbuf $20 allot
Create pngsig $89 c, $50 c, $4E c, $47 c, $0D c, $0A c, $1A c, $0A c,
Create jfif $FF c, $D8 c, $FF c, $E0 c, $00 c, $10 c, $4A c, $46 c,
$49 c, $46 c,
: b@ ( addr -- x ) 0 swap 4 bounds ?DO 8 lshift I c@ + LOOP ;
: bw@ ( addr -- x ) 0 swap 2 bounds ?DO 8 lshift I c@ + LOOP ;
: gif? ( -- flag )
s" GIF89a" imgbuf over str=
s" GIF87a" imgbuf over str= or ;
: gif-size ( -- w h )
imgbuf 8 + c@ imgbuf 9 + c@ 8 lshift +
imgbuf 6 + c@ imgbuf 7 + c@ 8 lshift + ;
: png? ( -- flag )
pngsig 8 imgbuf over str= ;
: png-size ( -- w h )
imgbuf $14 + b@ imgbuf $10 + b@ ;
: jpg? ( -- flag )
jfif 10 imgbuf over str= ;
: jpg-size ( fd -- w h ) >r
2. BEGIN
2dup r@ reposition-file throw
imgbuf $10 r@ read-file throw 0<>
imgbuf bw@ $FFC0 $FFD0 within 0= and WHILE
imgbuf 2 + bw@ 2 + 0 d+ REPEAT
2drop imgbuf 5 + bw@ imgbuf 7 + bw@ rdrop ;
: img-size ( fd -- w h ) >r
gif? IF gif-size rdrop EXIT THEN
jpg? IF r> jpg-size EXIT THEN
png? IF png-size rdrop EXIT THEN
0 0 ;
: .img-size ( addr u -- )
r/o open-file IF drop EXIT THEN >r
imgbuf $20 r@ read-file throw drop
r@ img-size
r> close-file throw
?dup IF 0 <# #S #> width= THEN
?dup IF 0 <# #S #> height= THEN ;
\ link creation
Variable link
Variable link-sig
Variable link-suffix
Variable iconpath
Variable do-size
Variable do-icon
Defer parse-line
: .img ( addr u -- ) dup >r '| -$split dup r> = IF 2swap THEN
dup IF 2swap alt= ELSE 2drop THEN
tag-option $@len >r over c@ >align tag-option $@len r> = 1+ /string
tag-option $@len >r over c@ >border tag-option $@len r> = 1+ /string
2dup .img-size src= s" img" tag ;
: >img ( -- ) '{ parse type '} parse .img ;
: alt-suffix ( -- )
link-suffix $@len 2 - link-suffix $!len
s" [" link-suffix 0 $ins
s" ]" link-suffix $+!
link-suffix $@ alt= ;
: get-icon ( addr u -- ) iconpath @ IF 2drop EXIT THEN
link-suffix $! s" .*" link-suffix $+!
s" icons" open-dir throw >r
BEGIN
pad $100 r@ read-dir throw WHILE
pad swap 2dup link-suffix $@ filename-match
IF s" icons/" iconpath $! iconpath $+!
iconpath $@ 2dup .img-size src= '- >border
alt-suffix s" img" tag true
ELSE 2drop false THEN
UNTIL ELSE drop THEN
r> close-dir throw ;
: link-icon? ( -- ) do-icon @ 0= ?EXIT
iconpath @ IF iconpath $off THEN
link $@ + 1- c@ '/ = IF s" index.html" ELSE link $@ THEN
BEGIN '. $split 2swap 2drop dup WHILE
2dup get-icon REPEAT 2drop ;
: link-size? ( -- ) do-size @ 0= ?EXIT
link $@ r/o open-file IF drop EXIT THEN >r
r@ file-size throw $400 um/mod nip ." (" 0 u.r ." k)"
r> close-file throw ;
: link-sig? ( -- )
link $@ link-sig $! s" .sig" link-sig $+!
link-sig $@ r/o open-file IF drop EXIT THEN
close-file throw
." (" link-sig $@ href= s" a" tag
s" |-icons/sig.gif" .img ." sig" s" /a" tag ." )" ;
: link-options ( addr u -- addr' u' )
do-size off do-icon on
over c@ '% = over 0> and IF do-size on 1 /string THEN
over c@ '\ = over 0> and IF do-icon off 1 /string THEN ;
s" Gforth" environment? [IF] s" 0.5.0" str= [IF]
: parse-string ( c-addr u -- ) \ core,block
s" *evaluated string*" loadfilename>r
push-file #tib ! >tib !
>in off blk off loadfile off -1 loadline !
['] parse-line catch
pop-file r>loadfilename throw ;
[ELSE]
: parse-string ( addr u -- )
evaluate-input cell new-tib #tib ! tib !
['] parse-line catch pop-file throw ;
[THEN] [THEN]
: .link ( addr u -- ) dup >r '| -$split dup r> = IF 2swap THEN
link-options link $!
link $@len 0= IF 2dup link $! s" .html" link $+! THEN
link $@ href= s" a" tag link-icon?
parse-string s" a" /tag link-size? link-sig? ;
: >link ( -- ) '[ parse type '] parse .link ;
\ line handling
: char? ( -- c ) >in @ char swap >in ! ;
: parse-tag ( addr u char -- )
>r r@ parse type
r> parse 2swap tagged ;
: .text ( -- ) >in @ >r char drop
source r@ /string >in @ r> - nip
bounds ?DO I c@
case
'& of ." &" endof
'< of ." <" endof
dup emit
endcase
LOOP ;
Create do-words $100 0 [DO] ' .text , [LOOP]
:noname '( emit 1 >in +! ; '( cells do-words + !
: bind-char ( xt -- ) char cells do-words + ! ;
: char>tag ( -- ) char >r
:noname bl sword postpone SLiteral r@ postpone Literal
postpone parse-tag postpone ; r> cells do-words + ! ;
: >tag '\ parse type '\ parse tag ;
char>tag * b
char>tag _ em
char>tag # code
' >link bind-char [
' >img bind-char {
' >tag bind-char \
: do-word ( char -- ) cells do-words + perform ;
: word? ( -- addr u ) >in @ >r bl sword r> >in ! ;
wordlist Constant autoreplacements
:noname ( -- )
BEGIN char? do-word source nip >in @ = UNTIL ; is parse-line
: parse-line+ ( -- )
BEGIN
word? autoreplacements search-wordlist
IF execute bl sword 2drop
source >in @ 1- /string drop c@ bl = >in +!
ELSE char? do-word THEN
source nip >in @ = UNTIL ;
: parse-to ( char -- ) >r
BEGIN char? dup r@ <> WHILE
do-word source nip >in @ = UNTIL ELSE drop THEN
r> parse type ;
\ autoreplace
: autoreplace ( <[string|url]> -- )
get-current autoreplacements set-current
Create set-current
here 0 , '[ parse 2drop '] parse rot $!
DOES> $@ .link ;
\ paragraph handling
: parse-par ( -- )
BEGIN parse-line+ cr refill WHILE
source nip 0= UNTIL THEN ;
: par ( addr u -- ) env? 2dup tag parse-par /tag cr cr ;
: line ( addr u -- ) env? 2dup tag parse-line+ /tag cr cr ;
\ scan strings
: get-rest ( addr -- ) 0 parse -trailing rot $! ;
Create $lf 1 c, #lf c,
: get-par ( addr -- ) >r s" " r@ $+!
BEGIN 0 parse 2dup s" ." str= 0= WHILE
r@ $@len IF $lf count r@ $+! THEN r@ $+!
refill 0= UNTIL ELSE 2drop THEN
rdrop ;
\ toc handling
Variable toc-link
: >last ( addr link -- link' )
BEGIN dup @ WHILE @ REPEAT ! 0 ;
Variable create-navs
Variable nav$
Variable nav-name
Variable nav-file
Create nav-buf 0 c,
: nav+ ( char -- ) nav-buf c! nav-buf 1 nav-file $+! ;
: >nav ( addr u -- addr' u' )
nav-name $! create-navs @ 0=
IF s" navigate/nav.scm" r/w create-file throw create-navs ! THEN
s' (script-fu-nav-file "' nav$ $! nav-name $@ nav$ $+!
s' " "./navigate/' nav$ $+! s" " nav-file $!
nav-name $@ bounds ?DO
I c@ dup 'A 'Z 1+ within IF bl + nav+
ELSE dup 'a 'z 1+ within IF nav+
ELSE dup '0 '9 1+ within IF nav+
ELSE dup bl = swap '- = or IF '- nav+
THEN THEN THEN THEN
LOOP
nav-file $@ nav$ $+! s' .jpg")' nav$ $+!
nav$ $@ create-navs @ write-line throw
s" [" nav$ $! nav-name $@ nav$ $+!
s" |-navigate/" nav$ $+! nav-file $@ nav$ $+! s" .jpg" nav$ $+!
nav$ $@ ;
: toc, ( n -- ) , '| parse >nav here 0 , $! 0 parse here 0 , $! ;
: up-toc align here toc-link >last , 0 toc, ;
: top-toc align here toc-link >last , 1 toc, ;
: this-toc align here toc-link >last , 2 toc, ;
: sub-toc align here toc-link >last , 3 toc, ;
: new-toc toc-link off ;
Variable toc-name
: .toc-entry ( toc flag -- )
swap cell+ dup @ swap cell+ dup cell+ $@ 2dup href= s" a" tag
'# scan 1 /string toc-name $@ compare >r
$@ .img swap
IF
case
2 of s" ^]|-icons/arrow_up.jpg" .img endof
3 of
r@ 0= IF s" *]|-icons/circle.jpg"
ELSE s" v]|-icons/arrow_down.jpg" THEN .img endof
endcase
ELSE
case
0 of s" ^]|-icons/arrow_up.jpg" .img endof
1 of s" >]|-icons/arrow_right.jpg" .img endof
2 of s" *]|-icons/circle.jpg" .img endof
3 of s" v]|-icons/arrow_down.jpg" .img endof
endcase
THEN
s" a" /tag rdrop
;
: print-toc ( -- ) cr 0 parse
dup 0= IF toc-name $! 0 ELSE
toc-name $! toc-name $@ name= s" " s" a" tagged 2
THEN >r
toc-link BEGIN @ dup WHILE
dup cell+ @ 3 = r@ 0= and IF rdrop 1 >r s" br" tag cr THEN
dup cell+ @ r@ >= IF dup r@ 2 = .toc-entry THEN
dup cell+ @ 2 = r@ 2 = and IF s" br" tag cr THEN
REPEAT drop rdrop cr ;
\ handle global tags
Variable indentlevel
: indent ( n -- ) indentlevel @ over indentlevel !
2dup < IF swap DO -env -env LOOP EXIT THEN
2dup > IF DO s" dl" >env s" dt" >env LOOP EXIT THEN
2dup = IF drop IF -env s" dt" >env THEN THEN ;
: +indent ( -- ) indentlevel @ IF -env s" dd" >env THEN ;
wordlist constant longtags
longtags set-current
: --- 0 indent cr s" hr" tag cr +indent ;
: * 1 indent s" h1" line +indent ;
: ** 1 indent s" h2" line +indent ;
: *** 2 indent s" h3" line +indent ;
: -- 0 indent cr print-toc ;
: && 0 parse name= s" " s" a" tagged ;
: - s" ul" env s" li" par ;
: + s" ol" env s" li" par ;
: << +env ;
: <* s" center" >env ;
: <red s" #ff0000" s" color" opt s" font" >env ;
: red> -env ;
: >> -env ;
: *> -env ;
: :: interpret ;
: . end-sec on 0 indent ;
: :code s" pre" >env
BEGIN source >in @ /string type cr refill WHILE
source s" :endcode" str= UNTIL THEN
-env ;
: \ postpone \ ;
definitions
\ Table
: |tag table-format $@ table# @ /string drop c@ >talign
>env 1 table# +! ;
: |d table# @ table-start @ > IF -env THEN s" td" |tag ;
: |h table# @ table-start @ > IF -env THEN s" th" |tag ;
: |line s" tr" >env table-start @ table# ! ;
: line| -env -env cr ;
: next-char ( -- char ) source drop >in @ + c@ ;
longtags set-current
: <| bl sword table-format $! table-start off bl sword
dup IF s" border" opt ELSE 2drop THEN s" table" >env ;
: |> -env -env cr cr ;
: +| |line
BEGIN
|h '| parse-to next-char '+ = UNTIL line| ;
: -| |line
BEGIN
|d '| parse-to next-char '- = UNTIL line| ;
definitions
\ parse a section
: section-line ( -- ) >in off
bl sword longtags search-wordlist
IF execute
ELSE source nip IF >in off s" p" par THEN THEN ;
: refill-loop ( -- ) end-sec off
BEGIN refill WHILE
section-line end-sec @ UNTIL THEN ;
: parse-section ( -- )
refill-loop ;
\ HTML head
: .title ( addr u -- )
.' <!doctype html public "-//w3c//dtd html 4.0 transitional//en">' cr
s" html" >env s" head" >env
.' <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">' cr
s" title" tagged cr
-env ;
\ HTML trailer
Variable mail
Variable mail-name
Variable orig-date
: .trailer
s" address" >env s" center" >env
orig-date @ IF ." Created " orig-date $@ type ." . " THEN
." Last modified: " time&date rot 0 u.r swap 1-
s" janfebmaraprmayjunjulaugsepoctnovdec" rot 3 * /string 3 min type
0 u.r ." by "
s" Mail|icons/mail.gif" .img mail $@ mailto: mail-name $@ s" a" tagged
-envs ;
\ top word
: parse" ( -- addr u ) '" parse 2drop '" parse ;
: maintainer ( -- )
bl sword mail $! parse" mail-name $! ;
: created ( -- )
bl sword orig-date $! ;
Variable style$
: style> style$ @ 0= IF s" " style$ $! THEN style$ $@ tag-option $! ;
: >style tag-option $@ style$ $! s" " tag-option $! ;
: style style> opt >style ;
: background ( -- ) parse" s" background" style ;
: text ( -- ) parse" s" text" style ;
warnings @ warnings off
: link ( -- ) parse" s" link" style ;
warnings !
: vlink ( -- ) parse" s" vlink" style ;
: marginheight ( -- ) parse" s" marginheight" style ;
: wf ( -- )
outfile-id >r
bl sword r/w create-file throw to outfile-id
parse" .title
+env style> s" body" env env?
['] parse-section catch .trailer
outfile-id close-file throw
r> to outfile-id
dup 0< IF throw ELSE drop THEN ;
: eval-par ( addr u -- )
s" wf-temp.wf" r/w create-file throw >r
r@ write-file r> close-file throw
push-file s" wf-temp.wf" r/o open-file throw loadfile !
parse-par parse-section
loadfile @ close-file swap 2dup or
pop-file drop throw throw
s" wf-temp.wf" delete-file throw ;
\ simple text data base
Variable last-entry
Variable field#
: table: ( xt n -- ) Create , , 1 field# !
DOES> 2@ >in @ >r longtags set-current
Create definitions swap , r> >in !
here last-entry !
dup 0 DO 0 , LOOP
1 DO s" " last-entry @ I cells + $! LOOP
last-entry @ get-rest
DOES> dup cell+ swap perform ;
: field: Create field# @ , 1 field# +!
DOES> @ cells last-entry @ + get-rest ;
: par: Create field# @ , 1 field# +!
DOES> @ cells last-entry @ + get-par ;
: >field ' >body @ cells postpone Literal postpone + ; immediate
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