82 lines
2.2 KiB
Factor
82 lines
2.2 KiB
Factor
! Copyright (C) 2012 John Benediktsson
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! See http://factorcode.org/license.txt for BSD license
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USING: accessors ascii assocs colors.constants formatting
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html.entities html.parser html.parser.analyzer html.parser.printer
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http.client io io.styles kernel namespaces sequences splitting urls
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wrap.strings xml xml.data xml.traversal ;
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FROM: xml.data => tag? ;
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IN: wikipedia
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SYMBOL: language
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"en" language set-global
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: with-language ( str quot -- )
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language swap with-variable ; inline
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<PRIVATE
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: wikipedia-url ( path -- url )
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language get swap "http://%s.wikipedia.org/wiki/%s" sprintf >url ;
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: header. ( string -- )
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H{ { font-size 20 } { font-style bold } } format nl ;
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: link ( tag -- tag/f )
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"a" assure-name over tag-named? [ "a" deep-tag-named ] unless ;
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: link. ( tag -- )
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[ deep-children>string ] [ attrs>> "href" of ] bi
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wikipedia-url H{
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{ font-name "monospace" }
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{ foreground COLOR: blue }
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} [ write-object ] with-style ;
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: item. ( tag -- )
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children>> [
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dup tag? [
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dup link [ link. drop ] [ children>string write ] if*
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] [ [ write ] unless-empty ] if
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] each nl ;
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: items. ( seq -- )
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children-tags [ item. ] each nl ;
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: historical-url ( timestamp -- url )
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"%B_%d" strftime wikipedia-url ;
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: (historical-events) ( timestamp -- seq )
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historical-url http-get nip string>xml "ul" deep-tags-named ;
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: items>sequence ( tag -- seq )
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children-tags [ deep-children>string ] map ;
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PRIVATE>
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: historical-events ( timestamp -- events )
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(historical-events) second items>sequence ;
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: historical-events. ( timestamp -- )
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(historical-events) "Events" header. second items. ;
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: historical-births ( timestamp -- births )
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(historical-events) third items>sequence ;
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: historical-births. ( timestamp -- )
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(historical-events) "Births" header. third items. ;
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: historical-deaths ( timestamp -- births )
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(historical-events) fourth items>sequence ;
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: historical-deaths. ( timestamp -- )
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(historical-events) "Deaths" header. fourth items. ;
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: article. ( name -- )
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wikipedia-url http-get nip parse-html
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"content" find-by-id-between
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html-text string-lines
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[ [ blank? ] trim ] map harvest [
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html-unescape 72 wrap-string print nl
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] each ;
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