Merge commit 'littledan/master'

extra/faq/faq.factor

@@ -0,0 +1,113 @@
+! Copyright (C) 2007 Daniel Ehrenberg
+! See http://factorcode.org/license.txt for BSD license.
+USING: xml kernel sequences xml.utilities combinators.lib
+math xml.data arrays assocs xml.generator namespaces math.parser ;
+IN: faq
+
+: find-after ( seq quot -- elem after )
+    over >r find r> rot 1+ tail ; inline
+
+: tag-named? ( tag name -- ? )
+    assure-name swap (get-tag) ;
+
+! Questions
+TUPLE: q/a question answer ;
+C: <q/a> q/a
+
+: li>q/a ( li -- q/a )
+    [ "br" tag-named? not ] subset
+    [ "strong" tag-named? ] find-after
+    >r tag-children r> <q/a> ;
+
+: q/a>li ( q/a -- li )
+    [ q/a-question "strong" build-tag* f "br" build-tag* 2array ] keep
+    q/a-answer append "li" build-tag* ;
+
+: xml>q/a ( xml -- q/a )
+    [ "question" tag-named tag-children ] keep
+    "answer" tag-named tag-children <q/a> ;
+
+: q/a>xml ( q/a -- xml )
+    [ q/a-question "question" build-tag* ] keep
+    q/a-answer "answer" build-tag*
+    "\n" swap 3array "qa" build-tag* ;
+
+! Lists of questions
+TUPLE: question-list title seq ;
+C: <question-list> question-list
+
+: xml>question-list ( list -- question-list )
+    [ "title" swap at ] keep
+    tag-children [ tag? ] subset [ xml>q/a ] map
+    <question-list> ;
+
+: question-list>xml ( question-list -- list )
+    [ question-list-seq [ q/a>xml "\n" swap 2array ]
+      map concat "list" build-tag* ] keep
+    question-list-title [ "title" pick set-at ] when* ;
+
+: html>question-list ( h3 ol -- question-list )
+    >r [ children>string ] [ f ] if* r>
+    children-tags [ li>q/a ] map <question-list> ;
+
+: question-list>h3 ( id question-list -- h3 )
+    question-list-title [
+        "h3" build-tag
+        swap number>string "id" pick set-at
+    ] [ drop f ] if* ;
+
+: question-list>html ( question-list start id -- h3/f ol )
+    -rot >r [ question-list>h3 ] keep
+    question-list-seq [ q/a>li ] map "ol" build-tag* r>
+    number>string "start" pick set-at
+    "margin-left: 5em" "style" pick set-at ;
+
+! Overall everything
+TUPLE: faq header lists ;
+C: <faq> faq
+
+: html>faq ( div -- faq )
+    unclip swap { "h3" "ol" } [ tags-named ] curry* map
+    first2 >r f add* r> [ html>question-list ] 2map <faq> ;
+
+: header, ( faq -- )
+    dup faq-header ,
+    faq-lists first 1 -1 question-list>html nip , ;
+
+: br, ( -- )
+    "br" contained, nl, ;
+
+: toc-link, ( question-list number -- )
+    number>string "#" swap append "href" swap 2array 1array
+    "a" swap [ question-list-title , ] tag*, br, ;
+
+: toc, ( faq -- )
+    "div" { { "style" "background-color: #eee; margin-left: 30%; margin-right: 30%; width: auto; padding: 5px; margin-top: 1em; margin-bottom: 1em" } } [
+        "strong" [ "The big questions" , ] tag, br,
+        faq-lists 1 tail dup length [ toc-link, ] 2each
+    ] tag*, ;
+
+: faq-sections, ( question-lists -- )
+    unclip question-list-seq length 1+ dupd
+    [ question-list-seq length + ] accumulate nip
+    0 -rot [ pick question-list>html [ , nl, ] 2apply 1+ ] 2each drop ;
+
+: faq>html ( faq -- div )
+    "div" [
+        dup header,
+        dup toc,
+        faq-lists faq-sections,
+    ] make-xml ;
+
+: xml>faq ( xml -- faq )
+    [ "header" tag-named children>string ] keep
+    "list" tags-named [ xml>question-list ] map <faq> ;
+
+: faq>xml ( faq -- xml )
+    "faq" [
+        "header" [ dup faq-header , ] tag,
+        faq-lists [ question-list>xml , nl, ] each
+    ] make-xml ;
+
+: read-write-faq ( xml-stream -- )
+    [ read-xml ] with-stream xml>faq faq>html write-xml ;

extra/random-tester/random/random.factor

@@ -18,13 +18,13 @@ IN: random-tester
 : random-string
     [ max-length random [ max-value random , ] times ] "" make ;
 
-SYMBOL: special-integers
+: special-integers ( -- seq ) \ special-integers get ;
 [ { -1 0 1 } % most-negative-fixnum , most-positive-fixnum , first-bignum , ] 
 { } make \ special-integers set-global
-SYMBOL: special-floats
+: special-floats ( -- seq ) \ special-floats get ;
 [ { 0.0 -0.0 } % e , pi , 1./0. , -1./0. , 0./0. , epsilon , epsilon neg , ]
 { } make \ special-floats set-global
-SYMBOL: special-complexes
+: special-complexes ( -- seq ) \ special-complexes get ;
 [ 
     { -1 0 1 C{ 0 1 } C{ 0 -1 } } %
     e , e neg , pi , pi neg ,

extra/random-tester/utils/utils.factor

@@ -1,7 +1,6 @@
 USING: arrays assocs combinators.lib continuations kernel
 math math.functions memoize namespaces quotations random sequences
 sequences.private shuffle ;
-
 IN: random-tester.utils
 
 : %chance ( n -- ? )
@@ -17,7 +16,7 @@ IN: random-tester.utils
 : 80% ( -- ? ) 80 %chance ;
 : 90% ( -- ? ) 90 %chance ;
 
-: call-if ( quot ? -- ) [ call ] [ drop ] if ; inline
+: call-if ( quot ? -- ) swap when ; inline
 
 : with-10% ( quot -- ) 10% call-if ; inline
 : with-20% ( quot -- ) 20% call-if ; inline
@@ -29,78 +28,7 @@ IN: random-tester.utils
 : with-80% ( quot -- ) 80% call-if ; inline
 : with-90% ( quot -- ) 90% call-if ; inline
 
-: random-hash-key keys random ;
+: random-key keys random ;
-: random-hash-value [ random-hash-key ] keep at ;
+: random-value [ random-key ] keep at ;
 
 : do-one ( seq -- ) random call ; inline
-
-TUPLE: p-list seq max count count-vec ;
-
-: reset-array ( seq -- )
-    [ drop 0 ] over map-into ;
-
-C: <p-list> p-list
-
-: make-p-list ( seq n -- tuple )
-    >r dup length [ 1- ] keep r>
-    [ ^ 0 swap 2array ] keep
-    0 <array> <p-list> ;
-
-: inc-seq ( seq max -- )
-    2dup [ < ] curry find-last over [
-        nipd 1+ 2over swap set-nth
-        1+ over length rot <slice> reset-array
-    ] [
-        3drop reset-array
-    ] if ;
-
-: inc-count ( tuple -- )
-    [ p-list-count first2 >r 1+ r> 2array ] keep
-    set-p-list-count ;
-
-: (get-permutation) ( seq index-seq -- newseq )
-    [ swap nth ] map-with ;
-
-: get-permutation ( tuple -- seq )
-    [ p-list-seq ] keep p-list-count-vec (get-permutation) ;
-
-: p-list-next ( tuple -- seq/f )
-    dup p-list-count first2 < [
-        [
-            [ get-permutation ] keep
-            [ p-list-count-vec ] keep p-list-max
-            inc-seq
-        ] keep inc-count
-    ] [
-        drop f
-    ] if ;
-
-: (permutations) ( tuple -- )
-    dup p-list-next [ , (permutations) ] [ drop ] if* ;
-
-: permutations ( seq n -- seq )
-    make-p-list [ (permutations) ] { } make ;
-
-: (each-permutation) ( tuple quot -- )
-    over p-list-next [
-        [ rot drop swap call ] 3keep
-        drop (each-permutation)
-    ] [
-        2drop
-    ] if* ; inline
-
-: each-permutation ( seq n quot -- )
-    >r make-p-list r> (each-permutation) ;
-
-
-: builder-permutations ( n -- seq )
-    { [ compose ] [ swap curry ] } swap permutations
-    [ concat ] map ; foldable
-
-: all-quot-permutations ( seq -- newseq )
-    dup length 1- builder-permutations
-    swap [ 1quotation ] map dup length permutations
-    [ swap [ >r seq>stack r> call ] curry* map ] curry* map ;
-
-! clear { map sq 10 } all-quot-permutations [ [ [ [ [ call ] keep datastack length 2 = [ . .s nl ] when ] catch ] in-thread drop ] each ] each
-! clear { map sq sq 10 } all-quot-permutations [ [ [ [ [ call ] keep datastack length 2 = [ . .s nl ] when ] catch ] in-thread drop ] each ] each