--- gforth/wf.fs	2001/08/06 20:39:48	1.11
+++ gforth/wf.fs	2003/03/09 12:54:33	1.19
@@ -1,5 +1,23 @@
 \ 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' )
@@ -54,14 +72,31 @@ Variable envs 30 0 [DO] 0 , [LOOP]
 
 \ 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 -- )
@@ -82,19 +117,19 @@ Create jfif   $FF c, $D8 c, $FF c, $E0 c
 : bw@ ( addr -- x )  0 swap 2 bounds ?DO  8 lshift I c@ +  LOOP ;
 
 : gif? ( -- flag )
-    s" GIF89a" imgbuf over compare 0=
-    s" GIF87a" imgbuf over compare 0= or ;
+    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 compare 0= ;
+    pngsig 8 imgbuf over str= ;
 : png-size ( -- w h )
     imgbuf $14 + b@ imgbuf $10 + b@ ;
 
 : jpg? ( -- flag )
-    jfif 10 imgbuf over compare 0= ;
+    jfif 10 imgbuf over str= ;
 : jpg-size ( fd -- w h )  >r
     2.  BEGIN
 	2dup r@ reposition-file throw
@@ -178,9 +213,18 @@ Defer parse-line
     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 $!
@@ -216,12 +260,15 @@ Create do-words  $100 0 [DO] ' .text , [
 :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 ;
 
@@ -267,7 +314,7 @@ wordlist Constant autoreplacements
 : get-rest ( addr -- ) 0 parse -trailing rot $! ;
 Create $lf 1 c, #lf c,
 : get-par ( addr -- )  >r  s" " r@ $+!
-    BEGIN  0 parse 2dup s" ." compare  WHILE
+    BEGIN  0 parse 2dup s" ." str= 0=  WHILE
 	r@ $@len IF  $lf count r@ $+!  THEN  r@ $+!
 	refill 0= UNTIL  ELSE  2drop  THEN
     rdrop ;
@@ -279,11 +326,37 @@ Variable toc-link
 : >last ( addr link -- link' )
     BEGIN  dup @  WHILE  @  REPEAT  ! 0 ;
 
-: toc, ( n -- ) , 0 parse '| -$split 2swap here 0 , $! here 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
 
@@ -336,6 +409,7 @@ longtags set-current
 : **  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 ;
@@ -348,7 +422,7 @@ longtags set-current
 : . end-sec on 0 indent ;
 : :code s" pre" >env
     BEGIN  source >in @ /string type cr refill  WHILE
-	source s" :endcode" compare 0= UNTIL  THEN
+	source s" :endcode" str= UNTIL  THEN
   -env ;
 : \ postpone \ ;
 
@@ -356,22 +430,20 @@ definitions
     
 \ Table
 
-Variable table-format
-Variable table#
-
-: |tag  table-format $@ table# @ /string drop c@ >align
+: |tag  table-format $@ table# @ /string drop c@ >talign
     >env  1 table# +! ;
-: |d  table# @ IF  -env  THEN  s" td" |tag ;
-: |h  table# @ IF  -env  THEN  s" th" |tag ;
-: |line  s" tr" >env  table# off ;
+: |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
 
-: <| s" table" >env bl sword table-format $! ;
-: |> -env ;
+: <| 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| ;
@@ -406,9 +478,11 @@ definitions
 
 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 "
@@ -419,8 +493,10 @@ Variable mail-name
 
 : parse" ( -- addr u ) '" parse 2drop '" parse ;
 
-: maintainer
+: maintainer ( -- )
     bl sword mail $! parse" mail-name $! ;
+: created ( -- )
+    bl sword orig-date $! ;
 
 Variable style$
 : style> style$ @ 0= IF  s" " style$ $!  THEN  style$ $@ tag-option $! ;