From 81b7d150b1c815cdd032c2b5795b6c4244e56ace Mon Sep 17 00:00:00 2001
From: xue <>
Date: Tue, 22 Nov 2005 22:23:25 +0000
Subject:

---
 framework/Web/UI/THtmlWriter.php | 235 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 235 insertions(+)
 create mode 100644 framework/Web/UI/THtmlWriter.php

(limited to 'framework/Web/UI/THtmlWriter.php')

diff --git a/framework/Web/UI/THtmlWriter.php b/framework/Web/UI/THtmlWriter.php
new file mode 100644
index 00000000..75926d55
--- /dev/null
+++ b/framework/Web/UI/THtmlWriter.php
@@ -0,0 +1,235 @@
+<?php
+
+// todo: test if an attribute is a url
+// keep nonclosing tag only
+// add more utility methods (e.g. render....)
+// implment encoding (for text and url)
+class THtmlWriter extends TComponent implements ITextWriter
+{
+	const TAG_INLINE=0;
+	const TAG_NONCLOSING=1;
+	const TAG_OTHER=2;
+	const CHAR_NEWLINE="\n";
+	const CHAR_TAB="\t";
+	private static $_tagTypes=array(
+		'*'=>2,
+		'a'=>0,
+		'acronym'=>0,
+		'address'=>2,
+		'area'=>1,
+		'b'=>0,
+		'base'=>1,
+		'basefont'=>1,
+		'bdo'=>0,
+		'bgsound'=>1,
+		'big'=>0,
+		'blockquote'=>2,
+		'body'=>2,
+		'br'=>2,
+		'button'=>0,
+		'caption'=>2,
+		'center'=>2,
+		'cite'=>0,
+		'code'=>0,
+		'col'=>1,
+		'colgroup'=>2,
+		'del'=>0,
+		'dd'=>0,
+		'dfn'=>0,
+		'dir'=>2,
+		'div'=>2,
+		'dl'=>2,
+		'dt'=>0,
+		'em'=>0,
+		'embed'=>1,
+		'fieldset'=>2,
+		'font'=>0,
+		'form'=>2,
+		'frame'=>1,
+		'frameset'=>2,
+		'h1'=>2,
+		'h2'=>2,
+		'h3'=>2,
+		'h4'=>2,
+		'h5'=>2,
+		'h6'=>2,
+		'head'=>2,
+		'hr'=>1,
+		'html'=>2,
+		'i'=>0,
+		'iframe'=>2,
+		'img'=>1,
+		'input'=>1,
+		'ins'=>0,
+		'isindex'=>1,
+		'kbd'=>0,
+		'label'=>0,
+		'legend'=>2,
+		'li'=>0,
+		'link'=>1,
+		'map'=>2,
+		'marquee'=>2,
+		'menu'=>2,
+		'meta'=>1,
+		'nobr'=>0,
+		'noframes'=>2,
+		'noscript'=>2,
+		'object'=>2,
+		'ol'=>2,
+		'option'=>2,
+		'p'=>0,
+		'param'=>2,
+		'pre'=>2,
+		'ruby'=>2,
+		'rt'=>2,
+		'q'=>0,
+		's'=>0,
+		'samp'=>0,
+		'script'=>2,
+		'select'=>2,
+		'small'=>2,
+		'span'=>0,
+		'strike'=>0,
+		'strong'=>0,
+		'style'=>2,
+		'sub'=>0,
+		'sup'=>0,
+		'table'=>2,
+		'tbody'=>2,
+		'td'=>0,
+		'textarea'=>0,
+		'tfoot'=>2,
+		'th'=>0,
+		'thead'=>2,
+		'title'=>2,
+		'tr'=>2,
+		'tt'=>0,
+		'u'=>0,
+		'ul'=>2,
+		'var'=>0,
+		'wbr'=>1,
+		'xml'=>2
+	);
+	private static $_attrEncode=array(
+		'abbr'=>true,
+		'accesskey'=>true,
+		'align'=>false,
+		'alt'=>true,
+		'autocomplete'=>false,
+		'axis'=>true,
+		'background'=>true,
+		'bgcolor'=>false,
+		'border'=>false,
+		'bordercolor'=>false,
+		'cellpadding'=>false,
+		'cellspacing'=>false,
+		'checked'=>false,
+		'class'=>true,
+		'cols'=>false,
+		'colspan'=>false,
+		'content'=>true,
+		'coords'=>false,
+		'dir'=>false,
+		'disabled'=>false,
+		'for'=>false,
+		'headers'=>true,
+		'height'=>false,
+		'href'=>true,
+		'id'=>false,
+		'longdesc'=>true,
+		'maxlength'=>false,
+		'multiple'=>false,
+		'name'=>false,
+		'nowrap'=>false,
+		'onclick'=>true,
+		'onchange'=>true,
+		'readonly'=>false,
+		'rel'=>false,
+		'rows'=>false,
+		'rowspan'=>false,
+		'rules'=>false,
+		'scope'=>false,
+		'selected'=>false,
+		'shape'=>false,
+		'size'=>false,
+		'src'=>true,
+		'style'=>false,
+		'tabindex'=>false,
+		'target'=>false,
+		'title'=>true,
+		'type'=>false,
+		'usemap'=>false,
+		'valign'=>false,
+		'value'=>true,
+		'vcard_name'=>false,
+		'width'=>false,
+		'wrap'=>false
+	);
+
+	private $_attributes=array();
+	private $_openTags=array();
+	private $_writer=null;
+
+	public function __construct($writer)
+	{
+		$this->_writer=$writer;
+	}
+
+	public function isValidFormAttribute($name)
+	{
+		return true;
+	}
+
+	public function addAttribute($name,$value)
+	{
+		$this->_attributes[$name]=isset(self::$_attrEncode[$name])?THttpUtility::htmlEncode($value):$value;
+	}
+
+	public function flush()
+	{
+		$this->_writer->flush();
+	}
+
+	public function write($str)
+	{
+		$this->_writer->write($str);
+	}
+
+	public function writeLine($str='')
+	{
+		$this->_writer->write($str.self::CHAR_NEWLINE);
+	}
+
+	public function writeAttribute($name,$value,$encode=false)
+	{
+		$this->_writer->write(' '.$name.='"'.($encode?THttpUtility::htmlEncode($value):$value).'"');
+	}
+
+	public function renderBeginTag($tagName)
+	{
+		$tagType=isset(self::$_tagTypes[$tagName])?self::$_tagTypes[$tagName]:self::TAG_OTHER;
+		$str='<'.$tagName;
+		foreach($this->_attributes as $name=>$value)
+			$str.=' '.$name.'="'.$value.'"';
+		if($tagType===self::TAG_NONCLOSING)
+		{
+			$str.=' />';
+			array_push($this->_openTags,'');
+		}
+		else
+		{
+			$str.='>';
+			array_push($this->_openTags,$tagName);
+		}
+		$this->_writer->write($str);
+		$this->_attributes=array();
+	}
+
+	public function renderEndTag()
+	{
+		if(!empty($this->_openTags) && ($tagName=array_pop($this->_openTags))!=='')
+			$this->_writer->write('</'.$tagName.'>');
+	}
+}
+
+?>
\ No newline at end of file
-- 
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