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//
// ChtmlTextWriter.cs: Compact HTML
//
// Author:
// Cesar Lopez Nataren <cnataren@novell.com>
//
//
// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#if NET_2_0
using System;
using System.IO;
using System.Collections;
namespace System.Web.UI {
public class ChtmlTextWriter : Html32TextWriter
{
static Hashtable global_suppressed_attrs;
static string [] global_suppressed_attributes = {
"onclick", "ondblclick", "onmousedown", "onmouseup",
"onmouseover", "onmousemove", "onmouseout",
"onkeypress", "onkeydown", "onkeyup"
};
static string [] recognized_attributes = {"div", "span"};
Hashtable recognized_attrs = new Hashtable (recognized_attributes.Length);
Hashtable suppressed_attrs = new Hashtable (recognized_attributes.Length);
static ChtmlTextWriter ()
{
SetupGlobalSuppressedAttrs (global_suppressed_attributes);
}
static void SetupGlobalSuppressedAttrs (string [] attrs)
{
global_suppressed_attrs = new Hashtable ();
PopulateHash (global_suppressed_attrs, global_suppressed_attributes);
}
static void PopulateHash (Hashtable hash, string [] keys)
{
foreach (string key in keys)
hash.Add (key, true);
}
public ChtmlTextWriter (TextWriter writer)
: this (writer, DefaultTabString)
{
}
public ChtmlTextWriter (TextWriter writer, string tabString)
: base (writer, tabString)
{
//
// setup the recognized attrs
//
foreach (string key in recognized_attributes)
recognized_attrs.Add (key, new Hashtable ());
SetupSuppressedAttrs ();
}
void SetupSuppressedAttrs ()
{
//
// we don't make these static because they are not read-only
//
string [] div_suppressed_attributes = {
"accesskey", "cellspacing", "cellpadding",
"gridlines", "rules"
};
string [] span_suppressed_attributes = {
"cellspacing", "cellpadding",
"gridlines", "rules"
};
Init ("div", div_suppressed_attributes, suppressed_attrs);
Init ("span", span_suppressed_attributes, suppressed_attrs);
}
static void Init (string key, string [] attrs, Hashtable container)
{
Hashtable attrs_hash = new Hashtable (attrs.Length);
PopulateHash (attrs_hash, attrs);
container.Add (key, attrs_hash);
}
protected Hashtable GlobalSuppressedAttributes {
get { return global_suppressed_attrs; }
}
protected Hashtable RecognizedAttributes {
get { return recognized_attrs; }
}
protected Hashtable SuppressedAttributes {
get { return suppressed_attrs; }
}
public virtual void AddRecognizedAttribute (string elementName, string attributeName)
{
Hashtable elem_attrs = (Hashtable) recognized_attrs [elementName];
if (elem_attrs == null) {
elem_attrs = new Hashtable ();
elem_attrs.Add (attributeName, true);
recognized_attrs.Add (elementName, elem_attrs);
} else
elem_attrs.Add (attributeName, true);
}
public virtual void RemoveRecognizedAttribute (string elementName, string attributeName)
{
Hashtable elem_attrs = (Hashtable) recognized_attrs [elementName];
if (elem_attrs != null)
elem_attrs.Remove (attributeName);
}
//
// writes <br>
//
public override void WriteBreak ()
{
string br = GetTagName (HtmlTextWriterTag.Br);
WriteBeginTag (br);
Write (TagRightChar);
}
public override void WriteEncodedText (string text)
{
base.WriteEncodedText (text);
}
Hashtable attr_render = new Hashtable ();
[MonoTODO]
protected override bool OnAttributeRender (string name, string value, HtmlTextWriterAttribute key)
{
// I checked every possible HtmlTextWriterAttribute key
// and always throws ArgumentNullException.
return (bool) attr_render [null];
}
protected override bool OnStyleAttributeRender (string styleAttrName, string value, HtmlTextWriterStyle key)
{
return key == HtmlTextWriterStyle.Display;
}
protected override bool OnTagRender (string name, HtmlTextWriterTag tag)
{
return tag != HtmlTextWriterTag.Span;
}
}
}
#endif
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