-! Copyright (C) 2005 Alex Chapman.
+! Copyright (C) 2005 Alex Chapman
+! Copyright (C) 2006 Slava Pestov
! See http://factorcode.org/license.txt for BSD license.
IN: embedded
-USING: sequences kernel parser math namespaces io html test errors ;
+USING: sequences kernel parser namespaces io html errors ;
-! if example.fhtml contains:
-! <html>
-! <head><title>Simple Embedded Factor Example</title></head>
-! <body>
-! <% 5 [ %><p>I like repetition</p>
-! <% drop ] each %>
-! </body>
-! </html>
-!
-! then "example.fhtml" run-embedded-file prints to stdout:
-! <html>
-! <head><title>Simple Embedded Factor Example</title></head>
-! <body>
-! <p>I like repetition</p>
-! <p>I like repetition</p>
-! <p>I like repetition</p>
-! <p>I like repetition</p>
-! <p>I like repetition</p>
-!
-! </body>
-! </html>
+! See libs/httpd/test/ or libs/furnace/ for embedded usage
+! examples!
-: get-text ( string -- remainder chunk )
- "<%" over start dup -1 = [
- drop "" swap
- ] [
- 2dup head >r tail r>
- ] if ;
+: process-html ( parse-tree string -- parse-tree )
+ dup empty? [ drop ] [ parsed \ write-html parsed ] if ;
-: get-embedded ( string -- string code-string )
- ! regexps where art thou?
- "%>" over 2 start* 2dup swap 2 -rot subseq >r 2 + tail r> ;
+: process-embedded ( parse-tree string -- string parse-tree )
+ "<%" split1 >r process-html r> "%>" split1 >r (parse) r> ;
-: get-first-chunk ( string -- string )
- dup "<%" head? [
- get-embedded parse %
- ] [
- get-text , \ write-html ,
- ] if ;
-
-: embedded>factor ( string -- )
- dup length 0 > [
- get-first-chunk embedded>factor
- ] [ drop ] if ;
+: (parse-embedded) ( parse-tree string -- parse-tree )
+ dup empty?
+ [ drop ] [ process-embedded (parse-embedded) ] if ;
: parse-embedded ( string -- quot )
- #! simple example: "numbers: <% 3 [ 1 + pprint ] each %>"
- #! => "\"numbers: \" write 3 [ 1 + pprint ] each"
- [ embedded>factor ] [ ] make ;
+ [ f swap (parse-embedded) >quotation ] with-parser ;
: eval-embedded ( string -- ) parse-embedded call ;
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