post_parser.php

来自「sabreipb 2.1.6 utf-8中文版本！」· PHP 代码 · 共 1,500 行 · 第 1/4 页

			$txt = str_replace( "</li>", "", $txt );
			
			$txt = str_replace( "&#153;", "(tm)", $txt );
		}

		if ($html == 1)
		{
			$txt = str_replace( "&#39;", "'", $txt);
		}
		
		$txt = str_replace( "<br>"  , "\n", $txt );
		$txt = str_replace( "<br />", "\n", $txt );
		
		
		return trim(stripslashes($txt));
	}
	
//-----------------------------------------
//+-----------------------------------------------------------------------------------------
// UNCONVERT FUNCTIONS
//+-----------------------------------------------------------------------------------------
//+-----------------------------------------------------------------------------------------

	function unconvert_size($size="", $text="")
	{
		
		$size -= 7;
		
		return '[size='.$size.']'.$text.'[/size]';
		
	}

	function unconvert_flash($flash="")
	{
	
		$f_arr = explode( "+", $flash );
		
		return '[flash='.$f_arr[0].','.$f_arr[1].']'.$f_arr[2].'[/flash]';
		
	}
	
	function unconvert_sql($sql="")
	{
		$sql = stripslashes($sql);
		
		$sql = preg_replace( "#<span style='.+?'>#is", "", $sql );
		$sql = str_replace( "</span>"                , "", $sql );
		$sql = preg_replace( "#\s*$#"                , "", $sql );
		
		return '[sql]'.$sql.'[/sql]';
		
	}

	function unconvert_htm($html="")
	{
		$html = stripslashes($html);
		
		$html = preg_replace( "#<span style='.+?'>#is", "", $html );
		$html = str_replace( "</span>"                , "", $html );
		$html = preg_replace( "#\s*$#"                , "", $html );
		
		return '[html]'.$html.'[/html]';
		
	}
	
	
//-----------------------------------------
//+-----------------------------------------------------------------------------------------
// CONVERT FUNCTIONS
//+-----------------------------------------------------------------------------------------
//+-----------------------------------------------------------------------------------------

	/*-------------------------------------------------------------------------*/
	// convert_emoticon:
	// replaces the text with the emoticon image
	/*-------------------------------------------------------------------------*/
	
	function convert_emoticon($code="", $image="")
	{
		global $ibforums;
		
		if (!$code or !$image) return;
		
		//-----------------------------------------
		// Remove slashes added by preg_quote
		//-----------------------------------------
		
		$code = stripslashes($code);
		
		$this->emoticon_count++;
		
		return "<!--emo&".trim($code)."--><img src='{$ibforums->vars['EMOTICONS_URL']}/$image' border='0' style='vertical-align:middle' alt='$image' /><!--endemo-->";
	}
	
	/*-------------------------------------------------------------------------*/
	// wrap style:
	// code and quote table HTML generator
	/*-------------------------------------------------------------------------*/
	
	function wrap_style( $type='quote', $extra="" )
	{
		global $ibforums;
		
		$used = array(
					   'quote' => array( 'title' => 'QUOTE', 'css_top' => 'quotetop' , 'css_main' => 'quotemain' ),
					   'code'  => array( 'title' => 'CODE' , 'css_top' => 'codetop'  , 'css_main' => 'codemain'  ),
					   'sql'   => array( 'title' => 'SQL'  , 'css_top' => 'sqltop'   , 'css_main' => 'sqlmain'   ),
					   'html'  => array( 'title' => 'HTML' , 'css_top' => 'htmltop'  , 'css_main' => 'htmlmain'  )
					 );
		
		
		return array( 'START' => "<div class='{$used[ $type ]['css_top']}'>{$used[ $type ]['title']}{$extra}</div><div class='{$used[ $type ]['css_main']}'>",
					  'END'   => "</div>"
					);
	}


	/*-------------------------------------------------------------------------*/
	// regex_list: List generation
	// 
	/*-------------------------------------------------------------------------*/
	
	function regex_list( $txt="", $type="" )
	{
		if ($txt == "")
		{
			return;
		}
		
		if ( $type == "" )
		{
			// Unordered list.
			
			return "<ul>".$this->regex_list_item($txt)."</ul>";
		}
		else
		{
			return "<ol type='$type'>".$this->regex_list_item($txt)."</ol>";
		}
	}
	
	function regex_list_item($txt)
	{
		$txt = preg_replace( "#\[\*\]#", "</li><li>" , trim($txt) );
		
		$txt = preg_replace( "#^</?li>#"  , "", $txt );
		
		return str_replace( "\n</li>", "</li>", $txt."</li>" );
	}
			
		
	
	/*-------------------------------------------------------------------------*/
	// regex_html_tag: HTML syntax highlighting
	// 
	/*-------------------------------------------------------------------------*/
	
	function regex_html_tag($html="") {
	
		if ($html == "") return;
		
		//-----------------------------------------
		// Too many embedded code/quote/html/sql tags can crash Opera and Moz
		//-----------------------------------------
		
		if (preg_match( "/\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\]/i", $html) )
		{
			return $default;
		}
				
		//-----------------------------------------
		// Take a stab at removing most of the common
		// smilie characters.
		//-----------------------------------------
		
		$html = preg_replace( "#:#"      , "&#58;", $html );
		$html = preg_replace( "#\[#"     , "&#91;", $html );
		$html = preg_replace( "#\]#"     , "&#93;", $html );
		$html = preg_replace( "#\)#"     , "&#41;", $html );
		$html = preg_replace( "#\(#"     , "&#40;", $html );
		
		$html = preg_replace( "/^<br>/"  , "", $html );
		$html = preg_replace( "#^<br />#", "", $html );
		$html = preg_replace( "/^\s+/"   , "", $html );
		
		$html = preg_replace( "#&lt;([^&<>]+)&gt;#"                           , "&lt;<span style='color:blue'>\\1</span>&gt;"        , $html );   //Matches <tag>
		$html = preg_replace( "#&lt;([^&<>]+)=#"                              , "&lt;<span style='color:blue'>\\1</span>="           , $html );   //Matches <tag
		$html = preg_replace( "#&lt;/([^&]+)&gt;#"                            , "&lt;/<span style='color:blue'>\\1</span>&gt;"       , $html );   //Matches </tag>
		$html = preg_replace( "!=(&quot;|&#39;)(.+?)?(&quot;|&#39;)(\s|&gt;)!" , "=\\1<span style='color:orange'>\\2</span>\\3\\4"    , $html );   //Matches ='this'
		$html = preg_replace( "!&#60;&#33;--(.+?)--&#62;!"                    , "&lt;&#33;<span style='color:red'>--\\1--</span>&gt;", $html );
		
		$wrap = $this->wrap_style( 'html' );
		
		return "<!--html-->{$wrap['START']}<!--html1-->$html<!--html2-->{$wrap['END']}<!--html3-->";
	}
		
	/*-------------------------------------------------------------------------*/
	// regex_sql_tag: SQL syntax highlighting
	// 
	/*-------------------------------------------------------------------------*/
	
	function regex_sql_tag($sql="") {
		
		if ($sql == "") return;
		
		//-----------------------------------------
		// Too many embedded code/quote/html/sql tags can crash Opera and Moz
		//-----------------------------------------
		
		if (preg_match( "/\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\]/i", $sql) ) {
			return $default;
		}
		
		//-----------------------------------------	
		// Knock off any preceeding newlines (which have
		// since been converted into <br>)
		//-----------------------------------------
		
		$sql = preg_replace( "/^<br>/"  , "", $sql );
		$sql = preg_replace( "#^<br />#", "", $sql );
		$sql = preg_replace( "/^\s+/"   , "", $sql );
		
		//-----------------------------------------
		// Make certain regex work..
		//-----------------------------------------
		
		if (! preg_match( "/\s+$/" , $sql) )
		{
			$sql = $sql.' ';
		}
		
		$sql = preg_replace( "#(=|\+|\-|&gt;|&lt;|~|==|\!=|LIKE|NOT LIKE|REGEXP)#i"            , "<span style='color:orange'>\\1</span>", $sql );
		$sql = preg_replace( "#(MAX|AVG|SUM|COUNT|MIN)\(#i"                                    , "<span style='color:blue'>\\1</span>("    , $sql );
	    $sql = preg_replace( "!(&quot;|&#39;|&#039;)(.+?)(&quot;|&#39;|&#039;)!i"              , "<span style='color:red'>\\1\\2\\3</span>" , $sql );
	    $sql = preg_replace( "#\s{1,}(AND|OR)\s{1,}#i"                                         , " <span style='color:blue'>\\1</span> "    , $sql );
	    $sql = preg_replace( "#(LEFT|JOIN|WHERE|MODIFY|CHANGE|AS|DISTINCT|IN|ASC|DESC|ORDER BY)\s{1,}#i" , "<span style='color:green'>\\1</span> "   , $sql );
	    $sql = preg_replace( "#LIMIT\s*(\d+)\s*,\s*(\d+)#i"                                    , "<span style='color:green'>LIMIT</span> <span style='color:orange'>\\1, \\2</span>" , $sql );
	    $sql = preg_replace( "#(FROM|INTO)\s{1,}(\S+?)\s{1,}#i"                                , "<span style='color:green'>\\1</span> <span style='color:orange'>\\2</span> ", $sql );
	    $sql = preg_replace( "#(SELECT|INSERT|UPDATE|DELETE|ALTER TABLE|DROP)#i"               , "<span style='color:blue;font-weight:bold'>\\1</span>" , $sql );
	    
	    $html = $this->wrap_style( 'sql' );
	    
	    return "<!--sql-->{$html['START']}<!--sql1-->{$sql}<!--sql2-->{$html['END']}<!--sql3-->";
	 }
	
	/*-------------------------------------------------------------------------*/
	// regex_code_tag: Builds this code tag HTML
	// 
	/*-------------------------------------------------------------------------*/
	
	function regex_code_tag($txt="")
	{
		global $ibforums;
		
		$default = "\[code\]$txt\[/code\]";
		
		if ($txt == "") return;
		
		//-----------------------------------------
		// Too many embedded code/quote/html/sql tags can crash Opera and Moz
		//-----------------------------------------
		
		if (preg_match( "/\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\].+?\[(quote|code|html|sql)\]/i", $txt) ) {
			return $default;
		}
		
		//-----------------------------------------
		// Take a stab at removing most of the common
		// smilie characters.
		//-----------------------------------------
		
		//$txt = str_replace( "&" , "&amp;", $txt );
		$txt = preg_replace( "#&lt;#"   , "&#60;", $txt );
		$txt = preg_replace( "#&gt;#"   , "&#62;", $txt );
		$txt = preg_replace( "#&quot;#" , "&#34;", $txt );
		$txt = preg_replace( "#:#"      , "&#58;", $txt );
		$txt = preg_replace( "#\[#"     , "&#91;", $txt );
		$txt = preg_replace( "#\]#"     , "&#93;", $txt );
		$txt = preg_replace( "#\)#"     , "&#41;", $txt );
		$txt = preg_replace( "#\(#"     , "&#40;", $txt );
		$txt = preg_replace( "#\r#"     , "<br />", $txt );
		$txt = preg_replace( "#\n#"     , "<br />", $txt );
		$txt = preg_replace( "#\s{1};#" , "&#59;", $txt );
		
		//-----------------------------------------
		// Ensure that spacing is preserved
		//-----------------------------------------
		
		$txt = preg_replace( "#\s{2}#", " &nbsp;", $txt );
		
		$html = $this->wrap_style( 'code' );
		
		return "<!--c1-->{$html['START']}<!--ec1-->$txt<!--c2-->{$html['END']}<!--ec2-->";
		
	}
	
	/*-------------------------------------------------------------------------*/
	// regex_parse_quotes: Builds this quote tag HTML
	// [QUOTE] .. [/QUOTE] - allows for embedded quotes
	/*-------------------------------------------------------------------------*/
	
	function regex_parse_quotes($the_txt="") {
		
		if ($the_txt == "") return;
		
		$txt = $the_txt;
		
		if ( substr_count( strtolower($txt), '[quote' ) > $this->max_embed_quotes )
		{
			return $txt;
		}
		
		$txt = str_replace( chr(173).']', '&#93;', $txt );
		
		$this->quote_html = $this->wrap_style('quote');
		
		$txt = preg_replace( "#\[quote\]#ie"                        , "\$this->regex_simple_quote_tag()"       , $txt );
		$txt = preg_replace( "#\[quote=([^\],]+?),([^\]]+?)\]#ie"   , "\$this->regex_quote_tag('\\1', '\\2')"  , $txt );
		$txt = preg_replace( "#\[quote=([^\]]+?)\]#ie"              , "\$this->regex_quote_tag('\\1', '')"     , $txt );
		$txt = preg_replace( "#\[/quote\]#ie"                       , "\$this->regex_close_quote()"            , $txt );
		
		$txt = str_replace( "\n", "<br />", $txt );
		
		if ( ($this->quote_open == $this->quote_closed) and ($this->quote_error == 0) )
		{
			$txt = preg_replace( "#(<!--QuoteEBegin-->.+?<!--QuoteEnd-->)#es", "\$this->regex_preserve_spacing('\\1')", trim($txt) );
			
			return $txt;
		}
		else
		{
			return $the_txt;
		}
		
	}
	
	/*-------------------------------------------------------------------------*/
	// regex_preserve_spacing: keeps double spaces
	// without CSS killing <pre> tags
	/*-------------------------------------------------------------------------*/
	
	function regex_preserve_spacing($txt="")
	{
		$txt = preg_replace( "#^<!--QuoteEBegin-->(?:<br>|<br />)#", "<!--QuoteEBegin-->", trim($txt) );
		
		$txt = preg_replace( "#\s{2}#", "&nbsp; ", $txt );
		return $txt;
	}
	
	/*-------------------------------------------------------------------------*/
	// regex_simple_quote_tag: Builds this quote tag HTML
	// [QUOTE] .. [/QUOTE]
	/*-------------------------------------------------------------------------*/
	
	function regex_simple_quote_tag()
	{
		global $ibforums;
		
		$this->quote_open++;

		return "<!--QuoteBegin-->{$this->quote_html['START']}<!--QuoteEBegin-->";
	}
	
	/*-------------------------------------------------------------------------*/
	// regex_close_quote: closes a quote tag
	// 
	/*-------------------------------------------------------------------------*/
	
	function regex_close_quote() {
	
		if ($this->quote_open == 0)
		{
			$this->quote_error++;
		 	return;
		}