REBOL [ Title: "BBcode" Date: 5-Jan-2009/1:06:26+1:00 Name: 'bbcode Version: 0.1.0 File: %bbcode.r Author: "David 'Oldes' Oliva" Email: %oliva--david--seznam--cz Home: http://box.lebeda.ws/~hmm/ Owner: none Rights: none Needs: none Tabs: 4 Usage: [ test-cases: [ {text [b]bold[/b] abc} {text <b>bold</b> abc} {text [b]bold [i]italic[/b]} {text <b>bold <i>italic</i></b>} {[s]strikethrough text[/s]} {<s>strikethrough text</s>} {[url]http://example.org[/url]} {<a href="http://example.org">http://example.org</a>} {[url=http://example.com]Example[/url]} {<a href="http://example.com">Example</a>} {[url=http://example.com][b]Example[/url]} {<a href="http://example.com"><b>Example</b></a>} {[b][ul][li]Jenny[/li][li]Alex[/li][li]Beth[/li][/ul][/b]} {<b><ul><li>Jenny</li><li>Alex</li><li>Beth</li></ul></b>} {[ul][li]bla[li]bla} {<ul><li>bla</li><li>bla</li></ul>} {[ul][li][b]bla[li]bla} {<ul><li><b>bla</b></li><li>bla</li></ul>} {[ul][li]bla[li][ol][li]bla[/ol]} {<ul><li>bla</li><li><ol><li>bla</li></ol></li></ul>} {[code]xx[b]yy[/b]zz[/code]} {<code>xx[b]yy[/b]zz</code>} {[list][*]aaa[*]bbb[/list]} {<ul><li>aaa</li><li>bbb</li></ul>} {[list=a][*]aaa[*]bbb[/list]} {<ol style="list-style-type: lower-alpha;"><li>aaa</li><li>bbb</li></ol>} {[list=A][*]aaa[*]bbb[/list]} {<ol style="list-style-type: upper-alpha;"><li>aaa</li><li>bbb</li></ol>} {[/b]} {} {aa[b="]bb} {aa[b="]bb} {[quote]blabla} {<fieldset><blockquote>blabla</blockquote></fieldset>} {[quote=Carl]blabla} {<fieldset><legend>Carl</legend><blockquote>blabla</blockquote></fieldset>} {[img]http://www.google.com/intl/en_ALL/images/logo.gif[/img]} {<img src="http://www.google.com/intl/en_ALL/images/logo.gif" alt="">} {[url=http://http://www.google.com/][img]http://www.google.com/intl/en_ALL/images/logo.gif[/url][/img]} {<a href="http://http://www.google.com/"><img src="http://www.google.com/intl/en_ALL/images/logo.gif" alt=""></a>} {[img]1.gif [img]2.gif} {<img src="1.gif" alt=""> <img src="2.gif" alt="">} {text [size=tiny]tiny} {text <span style="font-size: xx-small;">tiny</span>} {[h1]header[/h1]} {<h1>header</h1>} {[color]ee[/color][color=#F00]red[color=#00FF00]green} {ee<span style="color: #F00;">red<span style="color: #00FF00;">green</span></span>} {<a>} {&lt;a>} {multi^/line} {multi^/<br>line} {invalid [size]size[/size]} {invalid <span>size</span>} {[align=right]right} {<div style="text-align: right;">right</div>} {[email]%x--x--cz[/email] [email=%x--x--cz]email [b]me[/email]} {<a href="mailto:%x--x--cz">%x--x--cz</a> <a href="mailto:%x--x--cz">email <b>me</b></a>} ] foreach [src result] test-cases [ print ["<==" src] print ["==>" tmp: bbcode src] print either tmp = result ["OK"][join "ERR " result] print "---" ] ] Purpose: {Basic BBCode implementation. For more info about BBCode check http://en.wikipedia.org/wiki/BBCode} Comment: none History: [ 0.1.0 5-Jan-2009 "Initial version" ] Type: [tool dialect function] Library: [ level: 'advanced platform: 'all type: [tool dialect function] domain: [dialects files html markup parse text text-processing web] ] Content: none ] ctx-bbcode: context [ ch-normal: complement charset "[<^/" ch-attribute: complement charset {"'<>]} ch-hexa: charset [#"a" - #"f" #"A" - #"F" #"0" - #"9"] ch-name: charset [#"a" - #"z" #"A" - #"Z" #"*" #"0" - #"9"] ch-url: charset [#"a" - #"z" #"A" - #"Z" #"0" - #"9" "./:~+-%#\_=&?@"] opened-tags: copy [] rl-attribute: [#"=" copy attr any ch-attribute] allow-html-tags?: false attr: none html: copy "" close-tags: func[tags [block!]][ foreach tag head reverse tags [ append html case [ tag = "url" ["</a>"] find ["list" "color" "quote" "size" "align" "email"] tag [""] true [ rejoin ["</" tag ">"] ] ] ] ] enabled-tags: [ "b" "i" "s" "u" "del" "h1" "h2" "h3" "h4" "h5" "ins" "dd" "dt" "ol" "ul" "li" "url" "list" "*" "color" "quote" "img" "size" "rebol" "align" "email" ] set 'bbcode func["Converts BBCode markup into HTML" code [string! binary! file! url!] "Input with BBCode tags" /local tmp tag][ clear html if any [file? code url? code][code: read/binary code] parse/all code [ any [ (attr: none) copy tmp some ch-normal (append html tmp) | "[url]" copy tmp some ch-url opt "[/url]" ( append html rejoin [{<a href="} tmp {">} tmp {</a>}] ) | "[email]" copy tmp some ch-url opt "[/email]" ( append html rejoin [{<a href="mailto:} tmp {">} tmp {</a>}] ) | "[img]" copy tmp some ch-url opt "[/img]" ( append html rejoin [{<img src="} tmp {" alt="">}] ) | "[code]" copy tmp to "[/code]" thru "]" ( append html rejoin [{<code>} tmp {</code>}] ) | "[rebol]" copy tmp to "[/rebol]" thru "]" ( append html rejoin [{<code>} tmp {</code>}] ;TODO: add REBOL code colorizer ) | #"[" [ ;normal opening tags copy tag some ch-name opt rl-attribute #"]" ( if tag = "*" [tag: "li"] append html either find enabled-tags tag [ if find ["li"] tag [ ;closed already opened tag if all [ tmp: find/last opened-tags tag none? find tmp "ol" none? find tmp "ul" ][ close-tags copy tmp clear tmp ] ] append opened-tags tag switch/default tag [ "url" [rejoin [{<a href="} attr {">}]] "color" [ either all [attr parse attr [ #"#" [6 ch-hexa | 3 ch-hexa] ]][ append opened-tags "span" rejoin [{<span style="color: } attr {;">}] ][ ;;Should the invalid tag be visible? ;rejoin either attr [ ; ["[" tag "=" attr "]"] ;][ ["[" tag "]"] ] "" ] ] "quote" [ append opened-tags ["fieldset" "blockquote"] either attr [ rejoin [{<fieldset><legend>} attr {</legend><blockquote>}] ][ {<fieldset><blockquote>} ] ] "list" [ if none? attr [attr: ""] parse/case attr [ [ "a" (tmp: {<ol style="list-style-type: lower-alpha;">}) | "A" (tmp: {<ol style="list-style-type: upper-alpha;">}) | "i" (tmp: {<ol style="list-style-type: lower-roman;">}) | "I" (tmp: {<ol style="list-style-type: upper-roman;">}) | "1" (tmp: {<ol style="list-style-type: decimal;">}) ] (append opened-tags "ol") | (append opened-tags "ul" tmp: {<ul>}) ] tmp ] "size" [ if none? attr [attr: ""] parse attr [ [ ["tiny" | "xx-small" | "-2"] (tmp: {<span style="font-size: xx-small;">}) | ["x-small" | "-1"] (tmp: {<span style="font-size: x-small;">}) | ["small" | "normal" | "0"] (tmp: {<span style="font-size: small;">}) | ["medium" | "1"] (tmp: {<span style="font-size: medium;">}) | ["large" | "2"] (tmp: {<span style="font-size: large;">}) | ["x-large" | "huge" | "3"] (tmp: {<span style="font-size: x-large;">}) | ["xx-large" | "4"] (tmp: {<span style="font-size: xx-large;">}) ] end ;TODO: other number values (pt,px,em)? | to end (tmp: {<span>}) ] append opened-tags "span" tmp ] "align" [ if none? attr [attr: ""] parse attr [ [ ["right" | "r"] (tmp: {<div style="text-align: right;">}) | ["left" | "l"] (tmp: {<div style="text-align: left;">}) | ["center" | "c"] (tmp: {<div style="text-align: center;">}) | ["justify" | "j"] (tmp: {<div style="text-align: justify;">}) ] end | to end (tmp: {<div>}) ] append opened-tags "div" tmp ] "email" [ either error? try [tmp: to-email attr][""][ append opened-tags "a" rejoin [{<a href="mailto:} tmp {">}] ] ] ][ rejoin ["<" tag ">"] ] ][ rejoin ["[" tag "]"] ] ) | ;closing tags #"/" copy tag some ch-name #"]" ( either tmp: find/last opened-tags tag [ close-tags copy tmp clear tmp ][ ;;unopened tag, hidden by default, uncomment next line if you don't want to hide it ;append html rejoin [{[/} tag {]}] ] ) | (append html "[") ] | #"<" (append html either allow-html-tags? ["<"]["&lt;"]) | #"^/" (append html "^/<br>") ] ] unless empty? opened-tags [ close-tags opened-tags clear opened-tags ] copy html ] ]