/// <summary>Remove allowed URL protocols for an element's URL attribute.</summary>
/// <remarks>
/// Remove allowed URL protocols for an element's URL attribute.
/// <para />
/// E.g.: <code>removeProtocols("a", "href", "ftp")</code>
/// </remarks>
/// <param name="tag">Tag the URL protocol is for</param>
/// <param name="key">Attribute key</param>
/// <param name="protocols">List of invalid protocols</param>
/// <returns>this, for chaining</returns>
public virtual iText.StyledXmlParser.Jsoup.Safety.Whitelist RemoveProtocols(String tag, String key, params
String[] protocols)
{
Validate.NotEmpty(tag);
Validate.NotEmpty(key);
Validate.NotNull(protocols);
Whitelist.TagName tagName = Whitelist.TagName.ValueOf(tag);
Whitelist.AttributeKey attrKey = Whitelist.AttributeKey.ValueOf(key);
if (this.protocols.ContainsKey(tagName))
{
IDictionary <Whitelist.AttributeKey, ICollection <Whitelist.Protocol> > attrMap = this.protocols.Get(tagName);
if (attrMap.ContainsKey(attrKey))
{
ICollection <Whitelist.Protocol> protSet = attrMap.Get(attrKey);
foreach (String protocol in protocols)
{
Validate.NotEmpty(protocol);
Whitelist.Protocol prot = Whitelist.Protocol.ValueOf(protocol);
protSet.Remove(prot);
}
if (protSet.IsEmpty())
{
// Remove protocol set if empty
attrMap.JRemove(attrKey);
if (attrMap.IsEmpty())
{
// Remove entry for tag if empty
this.protocols.JRemove(tagName);
}
}
}
}
return(this);
}
/// <summary>Add allowed URL protocols for an element's URL attribute.</summary>
/// <remarks>
/// Add allowed URL protocols for an element's URL attribute. This restricts the possible values of the attribute to
/// URLs with the defined protocol.
/// <para />
/// E.g.: <code>addProtocols("a", "href", "ftp", "http", "https")</code>
/// <para />
/// To allow a link to an in-page URL anchor (i.e. <code><a href="#anchor"></code>, add a <code>#</code>:<br />
/// E.g.: <code>addProtocols("a", "href", "#")</code>
/// </remarks>
/// <param name="tag">Tag the URL protocol is for</param>
/// <param name="key">Attribute key</param>
/// <param name="protocols">List of valid protocols</param>
/// <returns>this, for chaining</returns>
public virtual iText.StyledXmlParser.Jsoup.Safety.Whitelist AddProtocols(String tag, String key, params String
[] protocols)
{
Validate.NotEmpty(tag);
Validate.NotEmpty(key);
Validate.NotNull(protocols);
Whitelist.TagName tagName = Whitelist.TagName.ValueOf(tag);
Whitelist.AttributeKey attrKey = Whitelist.AttributeKey.ValueOf(key);
IDictionary <Whitelist.AttributeKey, ICollection <Whitelist.Protocol> > attrMap;
ICollection <Whitelist.Protocol> protSet;
if (this.protocols.ContainsKey(tagName))
{
attrMap = this.protocols.Get(tagName);
}
else
{
attrMap = new Dictionary <Whitelist.AttributeKey, ICollection <Whitelist.Protocol> >();
this.protocols.Put(tagName, attrMap);
}
if (attrMap.ContainsKey(attrKey))
{
protSet = attrMap.Get(attrKey);
}
else
{
protSet = new HashSet <Whitelist.Protocol>();
attrMap.Put(attrKey, protSet);
}
foreach (String protocol in protocols)
{
Validate.NotEmpty(protocol);
Whitelist.Protocol prot = Whitelist.Protocol.ValueOf(protocol);
protSet.Add(prot);
}
return(this);
}
