commit 6837af5785f75e63ebbe064c5fcf7924b648ec2c
parent 6e7f54af58a6f19ac02e40d0d0fef5432d79c7d3
Author: dankert <devnull@localhost>
Date: Thu, 27 Jan 2005 01:04:51 +0100
Initiale Version: Klasse f?r Text-Transformationen
Diffstat:
1 file changed, 526 insertions(+), 0 deletions(-)
diff --git a/serviceClasses/Transformer.class.php b/serviceClasses/Transformer.class.php
@@ -0,0 +1,525 @@
+<?php
+
+/**
+ * @author $Author$
+ * @version $Revision$
+ * @package openrat.services
+ */
+class Transformer
+{
+ var $text = '';
+ var $args = array();
+ var $tag = '';
+ var $value = '';
+ var $type = 'html';
+ var $html = false;
+ var $types = array('html','wml','text');
+ var $rules = array('strong','emphatic');
+ var $parsedText = array();
+ var $renderedText = array();
+ var $toc = array();
+ var $render = true;
+
+
+ function anchorName( $text )
+ {
+ $text = trim(strtolower($text));
+ $gueltig = 'abcdefghijklmnopqrstuvwxyz0123456789-';
+ $tmp = strtr($text, $gueltig, str_repeat('#', strlen($gueltig)));
+ $text = strtr($text, $tmp, str_repeat('-', strlen($tmp)));
+ return $text;
+ }
+
+ function replace( $search,$with )
+ {
+ $this->zeile = str_replace( $search,$with,$this->zeile );
+ }
+
+
+ function replaceRegexp( $search,$with )
+ {
+ $this->zeile = ereg_replace( $search,$with,$this->zeile );
+ }
+
+
+ function macro( $text,$param=array() )
+ {
+ $paramText = implode(',',$param);
+ if ( !empty($paramText) )
+ $paramText = ','.$paramText;
+ return( '{'.$text.$paramText.'}' );
+ }
+
+
+ function transform()
+ {
+ $this->parse();
+ $this->render();
+
+ $this->text = implode( '',$this->renderedText );
+ }
+
+
+ function parseLine()
+ {
+ }
+
+
+
+ function parse()
+ {
+ $tocid = 0;
+
+ $pre = false;
+ $quote = false;
+ $br = false;
+ $ul = false;
+ $ol = false;
+ $li = true;
+ $level = 0;
+ $lis = array();
+ $table = false;
+ $p = false;
+
+ // Links
+ if ( $this->html )
+ $pf = '>';
+ else $pf = '&gt;';
+
+ if ( $this->html )
+ $pf = '>';
+ else $pf = '&gt;';
+
+
+ $this->text = preg_replace( '/([^\n]*)\r\n[\=]{3,}/','+ \\1',$this->text );
+ $this->text = preg_replace( '/([^\n]*)\r\n[\-]{3,}/','++ \\1',$this->text );
+ $this->text = preg_replace( '/([^\n]*)\r\n[\.]{3,}/','+++ \\1',$this->text );
+
+ $zeilen = explode("\n",$this->text);
+
+ foreach( $zeilen as $zeile )
+ {
+ # Leer- und Sonderzeichen am Zeilenende entfernen
+ $this->zeile = chop($zeile);
+ $zeile = chop($zeile);
+
+ $this->replace( '##TOC##','{table-of-contents}' );
+
+ //$this->replaceRegexp( '([^\-\;]?)"',"\\1''" );
+ $this->replace( '"',"''" );
+
+ // Text->... umsetzen nach "Text"->... (Anfuehrungszeichen ergaenzen)
+ $this->replaceRegexp( '([A-Za-z0-9._????????-]+)-'.$pf, '\'\'\\1\'\'-'.$pf );
+
+ // ...->Link umsetzen nach ...->"Link" (Anfuehrungszeichen ergaenzen)
+ $this->replaceRegexp( '-'.$pf.'([A-Za-z0-9.:_\/\,\?\=\&-]+)', '-'.$pf.'\'\'\\1\'\'' );
+
+ # Links ...->"nnn" ersetzen mit ...->"object:nnn"
+ $this->replaceRegexp( '-'.$pf.'\'\'([0-9]+)\'\'', '-'.$pf.'\'\'object\\1\'\'' );
+
+ $this->replaceRegexp( '-'.$pf.'\'\'([A-Za-z0-9._-]+@[A-Za-z0-9._-]+)\'\'', '-'.$pf.'\'\'mailto:\\1\'\'' );
+
+
+ # Links "mit->..."
+ $this->replaceRegexp( '\'\'([^\']+)\'\'-'.$pf.'\'\'([^\']+)\'\'', '{link:"\\2","\\1"}' );
+
+ // alleinstehende externe Links
+ $this->replaceRegexp( '([^"])((https?|ftps?|news|gopher):\/\/([A-Za-z0-9._\/\,-]*))', '\\1{link:"\\2","\\4"}' );
+ $this->replaceRegexp( '^((https?|ftps?|news|gopher):\/\/([A-Za-z0-9._\/\,-]*))' , '{link:"\\1","\\3"}' );
+
+ # mailto:...-Links
+ $this->replaceRegexp( '([^[A-Za-z0-9._:-])([A-Za-z0-9._-]+@[A-Za-z0-9._-]+)', '\\1{link:"mailto:\\2","\\2"}' );
+ $this->replaceRegexp( '^([A-Za-z0-9._-]+@[A-Za-z0-9._-]+)' , '{link:"mailto:\\1","\\1"}' );
+
+ // Einbinden von Bildern
+ $this->replaceRegexp( '(ima?ge?):\/?\/?(([0-9]+))(\{.*\})?', '{image:"object\\2"}' );
+ $this->replaceRegexp( '\{([0-9]+),?\}' , '{image:"object\\1"}' );
+ $this->replaceRegexp( '\{([0-9]+),([^\}]+)\}' , '{image:"object\\1","\\2"}' );
+
+
+
+
+ // Backtick am Zeilenbeginn schaltet Wikiauszeichnungen aus
+ if ( substr($this->zeile,0,1) == '`' && !$pre )
+ {
+ $this->zeile = substr($this->zeile,1);
+ $nowiki = true;
+ }
+ else
+ {
+ $nowiki = false;
+ }
+
+ // Zitat Anfang
+ if ( $zeile == $pf && !$quote && !$pre )
+ {
+ if ( $p )
+ {
+ $this->parsedText[] = '{paragraph-close}';
+ $p = false;
+ }
+
+ $this->zeile = '{blockquote-open}';
+ $quote = true;
+ }
+
+ // Zitat Ende
+ if ( $zeile == $pf && $quote && !$pre )
+ {
+ if ( $p )
+ {
+ $this->parsedText[] = '{paragraph-close}';
+ $p = false;
+ }
+ $this->zeile = '{blockquote-close}';
+ $quote = false;
+ }
+
+ // Pr?formatierter Text Anfang
+ if ( $this->zeile == '=' && !$pre )
+ {
+ if ( $p )
+ {
+ $this->parsedText[] = '{paragraph-close}';
+ $p = false;
+ }
+
+ $this->zeile = '{code-open}';
+ $pre = true;
+ }
+
+ // Pr?formatierter Text Ende
+ if ( $this->zeile == '=' && $pre )
+ {
+ $this->zeile = '{code-close}';
+ $pre = false;
+ }
+
+
+ // ?berschriften
+ if ( preg_match('/^([+]{1,}) ?(.*)/',$zeile,$match) && !$nowiki && !$pre && !$quote )
+ {
+ if ( $p )
+ {
+ $this->parsedText[] = '{paragraph-close}';
+ $p = false;
+ }
+
+ $tocid++;
+ $hlev = strlen($match[1]);
+ $this->toc[] = array('level'=>$hlev,'id'=>$this->anchorName($match[2]),'text'=>$match[2]);
+ $this->zeile = '{heading:"'.$hlev.'","'.$this->anchorName($match[2]).'","'.$match[2].'"}';
+ }
+
+ // Bei pr?formatierem Text keine weiteren Formatierungen durchf?hren
+ if ( !$pre )
+ {
+ // Tabellen
+ $beg = substr($zeile,0,1);
+
+ if ( $beg == '|' )
+ {
+ if ( !$table )
+ {
+ if ( $p )
+ {
+ $this->parsedText[] = '{paragraph-close}';
+ $p = false;
+ }
+
+ $this->parsedText[] = '{table-open}';
+ $table = true;
+ }
+
+ $this->replaceRegexp( '^\|' ,'{table-line-open}{table-cell-open:"1"}' );
+ $this->replaceRegexp( '\|?$','{table-cell-close}{table-line-close}' );
+ $this->replace( '|','{table-cell-close}{table-cell-open:"1"}' );
+
+ // Spalten?bergreifende Zellen
+ for ( $i=1; $i<=10; $i++)
+ $this->replace('{table-cell-close}{table-cell-open:"'.$i.'"}{table-cell-close}{table-cell-open:"1"}','{table-cell-close}{table-cell-open:"'.($i+1).'"}' );
+
+ // Spalten-?berschriften <th>
+ $this->replaceRegexp( '{table-cell-open:"([0-9])"}!([^{]+){table-cell-close}','{table-header-cell-open:"\\1"}\\2{table-header-cell-close}' );
+
+ //TODO: CSS-Klassen (etwas allgemeingueltiges finden!)
+ //$this->replaceRegexp( '{table-cell-open:"([0-9])"}<t([dh][^<]*)>\(([a-zA-Z0-9]+)\)([^<]+)</td>','<t\\1 class\="\\2">\\3</td>',$this->zeile );
+ }
+ else
+ {
+ if( $table )
+ {
+ $table = false;
+ $this->parsedText[] = '{table-close}';
+ }
+ }
+
+
+ // Aufz?hlungen
+ if ( preg_match('/^( *)([\*#-]) (.*)/',$zeile,$match) && !$nowiki )
+ {
+ if ( $p )
+ {
+ $this->parsedText[] = '{paragraph-close}';
+ $p = false;
+ }
+
+ $lev = strlen($match[1])+1;
+ $type = $match[2];
+ $text = $match[3];
+
+ if ( $level == $lev ) $this->parsedText[] = '{entry-close}';
+
+ while( $level < $lev )
+ {
+ $level++;
+
+ if ( $match[2]=='#')
+ $this->parsedText[] = '{numbered-list-open:level='.$level.'}';
+ else
+ $this->parsedText[] = '{list-open:level='.$level.'}';
+
+ $lis[$level] = $match[2];
+ }
+
+ while( $level > $lev )
+ {
+ $this->parsedText[] = '{entry-close}';
+ if ( $lis[$level]=='#')
+ $this->parsedText[] = '{numbered-list-close}';
+ else
+ $this->parsedText[] = '{list-close}';
+
+ $level--;
+ }
+
+ $this->zeile = '{entry-open}'.$text;
+ }
+ else
+ {
+ while( $level > 0 )
+ {
+ if ( $lis[$level]=='#')
+ $this->parsedText[] = '{numbered-list-close}';
+ else
+ $this->parsedText[] = '{list-close}';
+ $level--;
+ }
+ }
+ }
+
+
+ // Abs?tze einrichten
+ if (!$pre && !$ol && !$ul && !$table && substr($zeile,0,1)!='<' )
+ {
+ if ( $zeile != '' && $p )
+ {
+ $this->parsedText[] = '{line-break}';
+ }
+
+ if ( $zeile == '' && $p )
+ {
+ $this->parsedText[] = '{paragraph-close}';
+ $p = false;
+ }
+
+ if ( $zeile != '' && !$p )
+ {
+ $this->parsedText[] = '{paragraph-open}';
+ $p = true;
+ }
+ }
+
+
+
+ // Textauszeichnungen fett,kursiv,fest
+ if ( !$pre && !$nowiki ) // nicht bei praeformatiertem Text
+ {
+
+ $this->replaceRegexp( '\*([^\*]+[^\\])\*', '{strong-open}\\1{strong-close}' );
+ $this->replaceRegexp( '_([^_]+[^\\])_' , '{emphatic-open}\\1{emphatic-close}' );
+
+ $this->replaceRegexp( '_([^_]+[^\\])_' , '{emphatic-open}\\1{emphatic-close}' );
+ $this->replaceRegexp( '_([^_]+[^\\])_' , '{emphatic-open}\\1{emphatic-close}' );
+
+ // "Wortliche Rede"
+ if ( !$this->html )
+ $this->replaceRegexp( '\'\'([^\']+[^\\])\'\'', '{speech-open}\\1{speech-close}' );
+
+ // =feste Breite=
+ $this->replaceRegexp( '=([^=]+[^\\])=', '{teletype-open}\\1{teletype-close}' );
+
+ $this->zeile = ereg_replace( '([^\\\\])\\\\','\\1', $this->zeile );
+ }
+ else
+ {
+ $this->replace( "''",'"' );
+ }
+
+ $this->parseLine();
+ $this->parsedText[] = $this->zeile;
+ }
+
+ if ( $ol ) $parsedText[] = '{numbered-list-close}';
+ if ( $ul ) $parsedText[] = '{list-close}';
+ if ( $table ) $parsedText[] = '{table-close}';
+ if ( $pre ) $parsedText[] = '{code-close}';
+ if ( $p ) $parsedText[] = '{paragraph-close}';
+ }
+
+
+
+
+
+ function render()
+ {
+// echo '<pre>'.implode("\n",$this->parsedText).'</pre>';
+
+ foreach( $this->parsedText as $zeile )
+ {
+ $this->zeile = $zeile;
+
+ if ( $this->render )
+ {
+ $this->renderLine();
+ }
+ $this->renderedText[] = $this->zeile;
+ }
+ }
+
+
+
+ function renderLine()
+ {
+
+ switch( $this->type )
+ {
+ case 'html':
+ $this->replace( '{table-open}' ,'<table>' );
+ $this->replace( '{table-close}','</table>' );
+
+ $this->replace( '{table-line-open}' ,'<tr>' );
+ $this->replace( '{table-line-close}','</tr>' );
+
+ $this->replaceRegexp( '\{table-cell-open:"([0-9]+)"\}' ,'<td colspan="\\1">' );
+ $this->replace( '{table-cell-close}' ,'</td>' );
+
+ $this->replaceRegexp( '\{table-header-cell-open:"([0-9]+)"\}' ,'<th colspan="\\1">' );
+ $this->replace( '{table-header-cell-close}' ,'</th>' );
+
+ $this->replace( '{strong-open}' ,'<strong>' );
+ $this->replace( '{strong-close}','</strong>' );
+
+ $this->replace( '{emphatic-open}' ,'<em>' );
+ $this->replace( '{emphatic-close}','</em>' );
+
+ $this->replace( '{emphatic-open}' ,'<em>' );
+ $this->replace( '{emphatic-close}','</em>' );
+
+ $this->replace( '{teletype-open}' ,'<tt>' );
+ $this->replace( '{teletype-close}','</tt>' );
+
+ $this->replace( '{code-open}' ,'<pre>' );
+ $this->replace( '{code-close}','</pre>' );
+
+ $this->replace( '{paragraph-open}' ,'<p>' );
+ $this->replace( '{paragraph-close}','</p>' );
+
+ $this->replace( '{speech-open}' ,'»' );
+ $this->replace( '{speech-close}' ,'«' );
+
+ $this->replaceRegexp( '\{list-open:level=([0-9])+\}' ,'<ul class="level\\1">' );
+ $this->replace( '{list-close}' ,'</ul>' );
+
+ $this->replaceRegexp( '\{numbered-list-open:level=([0-9])+\}' ,'<ol class="level\\1">' );
+ $this->replace( '{numbered-list-close}' ,'</ol>' );
+
+ $this->replace( '{entry-open}' ,'<li>' );
+ $this->replace( '{entry-close}','</li>' );
+
+ $this->replace( '{line-break}' ,'<br />' );
+
+ $this->replaceRegexp( '\{heading:"([0-9]+)","([^}"]*)","([^}"]*)"\}' ,'<h\\1><a name="\\2"></a>\\3</h\\1>' );
+ //<a name="toc'.$tocid.'"></a>
+
+ $toctext = array();
+ foreach( $this->toc as $t )
+ {
+ if ($t['level'] == 1 && count($toctext)>0) $toctext[] = '';
+ $toctext[] = str_repeat(' ',$t['level']*2).'<a href="#'.$t['id'].'">'.$t['text'].'</a>';
+ }
+ $this->replace( '{table-of-contents}',implode("<br/>\n",$toctext) );
+
+ // Text->... umsetzen nach "Text"->... (Anfuehrungszeichen ergaenzen)
+ $this->replaceRegexp( '\{link:"([^"]+)","([^"]+)"\}','<a href="\\1">\\2</a>' );
+
+ $this->replaceRegExp( '\{image:"([^}"]+)"\}' ,'<img src="\\1" />' );
+ $this->replaceRegExp( '\{image:"([^}"]+)","([^}]*)"\}' ,'<table align="right"><tr><td class="image"><img src="\\1" /></tr><tr><td class="imagetext">\\2</td></tr></table>' );
+
+ $this->replaceRegexp( '\{mailto:([^}]+)\}','<a href="mailto:\\1">\\1</a>' );
+
+ break;
+
+ case 'text':
+ $this->replaceRegexp( '\{image:([^}]+)\}' ,'' );
+
+ $this->replace( '{strong-open}' ,'' );
+ $this->replace( '{strong-close}','' );
+
+ $this->replace( '{emphatic-open}' ,'' );
+ $this->replace( '{emphatic-close}','' );
+
+ $this->replace( '{emphatic-open}' ,'' );
+ $this->replace( '{emphatic-close}','' );
+
+ $this->replace( '{teletype-open}' ,'' );
+ $this->replace( '{teletype-close}','' );
+
+ $this->replace( '{paragraph-open}' ,'' );
+ $this->replace( '{paragraph-close}',"\n" );
+
+ $this->replace( '{speech-open}' ,'"' );
+ $this->replace( '{speech-close}' ,'"' );
+
+ $this->replace( '{list-open}' ,"\n" );
+ $this->replace( '{list-close}' ,"\n" );
+
+ $this->replace( '{numbered-list-open}' ,"\n" );
+ $this->replace( '{numbered-list-close}' ,"\n" );
+
+ $this->replace( '{entry-open}' ,'- ' );
+ $this->replace( '{entry-close}' ,'- ' );
+
+ $this->replace( '{line-break}' ,"\n" );
+ $this->replaceRegexp( '\{[^}]+)\}','' );
+ break;
+
+ default:
+ }
+
+ // Links object:nnn ersetzen
+ preg_match_all( '|object:?([0-9]+)|',$this->zeile,$objects,PREG_SET_ORDER );
+ foreach( $objects as $object )
+ {
+// print_r($this->page);
+ $var = $this->page->path_to_object( $object[1] );
+ $this->replace( $object[0],$var );
+ }
+
+ }
+
+
+
+ function old()
+ {
+
+ foreach( $conf['replace'] as $replace )
+ {
+ $repl = explode(',',$replace);
+ if ( count($repl) == 2 )
+ $text = str_replace( $repl[0],$repl[1],$text );
+ }
+ }
+}
+
+?>+
\ No newline at end of file
