public static ControlBuilder CreateBuilderFromType(TemplateParser parser,
ControlBuilder parentBuilder,
Type type,
string tagName,
string id,
IDictionary attribs,
int line,
string sourceFileName)
{
Type tagType;
#if NET_2_0
tagType = MapTagType(type);
#else
tagType = type;
#endif
ControlBuilder builder;
object [] atts = tagType.GetCustomAttributes(typeof(ControlBuilderAttribute), true);
if (atts != null && atts.Length > 0)
{
ControlBuilderAttribute att = (ControlBuilderAttribute)atts [0];
builder = (ControlBuilder)Activator.CreateInstance(att.BuilderType);
}
else
{
builder = new ControlBuilder();
}
builder.Init(parser, parentBuilder, tagType, tagName, id, attribs);
builder.line = line;
builder.fileName = sourceFileName;
return(builder);
}
public void Deny_Unrestricted ()
{
ControlBuilderAttribute attr = new ControlBuilderAttribute (null);
Assert.IsNull (attr.BuilderType, "BuilderType");
Assert.IsTrue (attr.Equals (ControlBuilderAttribute.Default), "Equals");
attr.GetHashCode ();
Assert.IsTrue (attr.IsDefaultAttribute (), "IsDefaultAttribute");
}
public override bool Equals(object obj)
{
ControlBuilderAttribute cba = (obj as ControlBuilderAttribute);
if (cba == null)
{
return(false);
}
return(cba.builderType == builderType);
}
/*
* Create a ControlBuilder for a given tag
*/
/// <include file='doc\ControlBuilder.uex' path='docs/doc[@for="BaseControlBuilder.CreateBuilderFromType"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public static ControlBuilder CreateBuilderFromType(TemplateParser parser,
ControlBuilder parentBuilder, Type type, string tagName,
string id, IDictionary attribs, int line, string sourceFileName)
{
Type builderType = null;
// Check whether the control's class exposes a custom builder type
ControlBuilderAttribute cba = null;
object[] attrs = type.GetCustomAttributes(typeof(ControlBuilderAttribute), /*inherit*/ true);
if ((attrs != null) && (attrs.Length == 1))
{
Debug.Assert(attrs[0] is ControlBuilderAttribute);
cba = (ControlBuilderAttribute)attrs[0];
}
if (cba != null)
{
builderType = cba.BuilderType;
}
ControlBuilder builder;
if (builderType != null)
{
// Make sure the type has the correct base class (ASURT 123677)
Util.CheckAssignableType(typeof(ControlBuilder), builderType);
// It does, so use it
builder = (ControlBuilder)HttpRuntime.CreateNonPublicInstance(builderType);
}
else
{
// It doesn't, so use a generic one
builder = new ControlBuilder();
}
// REVIEW: I'm not putting this in Init because it seems like
// it might not be in the spirit of the method (dbau)
builder._line = line;
builder._sourceFileName = sourceFileName;
// Initialize the builder
builder.Init(parser, parentBuilder, type, tagName, id, attribs);
return(builder);
}
/// <summary>
/// Construct a new blob of metadata for a single control, performing any reflection needed to determine its
/// structure and parsing behavior.
/// </summary>
/// <param name="compileContext">The context in which errors should be reported.</param>
/// <param name="tag">The complete tag for this control, as found in the markup.</param>
/// <param name="tagRegistrations">The known list of registrations, formed from the directives in the
/// "web.config" and any <%@ Register %> directives in the markup.</param>
/// <param name="assemblies">The complete list of known pre-loaded assemblies for reflection.</param>
/// <param name="allowedTypes">The allowable types of control that may be returned. If the matching
/// .NET class type for this control does not match one of these types (or is not derivable from one
/// of these types), this constructor will throw an exception.</param>
public ReflectedControl(ICompileContext compileContext, Tag tag, IEnumerable <TagRegistration> tagRegistrations, AssemblyLoader assemblies, IEnumerable <Type> allowedTypes)
{
// Decode the tag declaration.
DecodeFullTagNameWithPrefix(tag.TagName, out TagPrefix, out TagName);
// Find the matching C# type for that tag declaration.
if (string.IsNullOrEmpty(TagPrefix))
{
TagRegistration = _htmlTagRegistration;
ControlType = FindMatchingHtmlControlType(tag);
}
else
{
ControlType = FindMatchingControlType(TagPrefix, TagName, tagRegistrations, assemblies, out TagRegistration);
}
if (ControlType == null)
{
throw new InvalidOperationException(string.Format("No matching type for <{0}> was found in any of the loaded assemblies.", tag.TagName));
}
// If we are restricted to only load certain types (such as the nested not-a-control instances inside a DataPager control),
// check that the control we have found matches one of those types.
if (!allowedTypes.Any(t => t.IsAssignableFrom(ControlType)))
{
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.AppendFormat("Found matching type for <{0}>, but it is a {1}, not one of the {2} allowed types:\r\n",
tag.TagName, ControlType.FullName, allowedTypes.Count());
foreach (Type allowedType in allowedTypes)
{
stringBuilder.AppendFormat("- {0}\r\n", allowedType.FullName);
}
throw new InvalidOperationException(stringBuilder.ToString());
}
// Extract the [ParseChildren] attribute, if it has one.
System.Web.UI.ParseChildrenAttribute[] parseChildrenAttributes = (System.Web.UI.ParseChildrenAttribute[])ControlType.GetCustomAttributes(typeof(System.Web.UI.ParseChildrenAttribute), true);
ParseChildrenAttribute = parseChildrenAttributes.Length == 0 ? null : parseChildrenAttributes[0];
// Extract the [ControlBuilder] attribute, if it has one.
System.Web.UI.ControlBuilderAttribute[] controlBuilderAttributes = (System.Web.UI.ControlBuilderAttribute[])ControlType.GetCustomAttributes(typeof(System.Web.UI.ControlBuilderAttribute), true);
ControlBuilderAttribute = controlBuilderAttributes.Length == 0 ? null : controlBuilderAttributes[0];
// Extract the type's properties, since their declarations control what's legal in the markup.
ControlProperties = CollectControlProperties(compileContext, ControlType, this);
// HtmlControls have to be handled specially, since they have [ParseChildren(true)] in many cases but
// aren't really using it for anything.
if (ControlType.Namespace == _htmlTagRegistration.Namespace)
{
ParseChildrenAttribute = new ParseChildrenAttribute(false);
}
// Validate the ParseChildrenAttribute, which may be broken or weird.
if (ParseChildrenAttribute != null)
{
if (!string.IsNullOrEmpty(ParseChildrenAttribute.DefaultProperty))
{
string propertyName = ParseChildrenAttribute.DefaultProperty.ToLower(); // ASP.NET also ignores case on this; see internals of ControlBuilder.CreateChildBuilder() for details.
if (!ControlProperties.ContainsKey(propertyName))
{
throw new InvalidOperationException(string.Format("The [ParseChildren] attribute on class \"{0}\" names a default property \"{1}\" that does not exist in that class.",
ControlType.FullName, ParseChildrenAttribute.DefaultProperty));
}
DefaultCollectionProperty = ControlProperties[propertyName];
if (!DefaultCollectionProperty.IsCollectionProperty)
{
throw new InvalidOperationException(string.Format("The [ParseChildren] attribute on class \"{0}\" names a default property \"{1}\" that is not a collection property. The default property must always be a collection property.",
ControlType.FullName, ParseChildrenAttribute.DefaultProperty));
}
}
}
}
/// <summary>
/// Construct a new blob of metadata for a single control, performing any reflection needed to determine its
/// structure and parsing behavior.
/// </summary>
/// <param name="compileContext">The context in which errors should be reported.</param>
/// <param name="tag">The complete tag for this control, as found in the markup.</param>
/// <param name="tagRegistrations">The known list of registrations, formed from the directives in the
/// "web.config" and any <%@ Register %> directives in the markup.</param>
/// <param name="assemblies">The complete list of known pre-loaded assemblies for reflection.</param>
/// <param name="allowedTypes">The allowable types of control that may be returned. If the matching
/// .NET class type for this control does not match one of these types (or is not derivable from one
/// of these types), this constructor will throw an exception.</param>
public ReflectedControl(ICompileContext compileContext, Tag tag, IEnumerable <TagRegistration> tagRegistrations, ReferencedAssembliesContext assemblies, IEnumerable <Type> allowedTypes)
{
// Decode the tag declaration.
DecodeFullTagNameWithPrefix(tag.TagName, out TagPrefix, out TagName);
// Find the matching C# type for that tag declaration.
if (string.IsNullOrEmpty(TagPrefix))
{
TagRegistration = GetHtmlTagRegistration(assemblies.SystemWebAssembly);
ControlType = FindMatchingHtmlControlType(tag, assemblies);
}
else
{
ControlType = FindMatchingControlType(TagPrefix, TagName, tagRegistrations, assemblies, out TagRegistration);
}
if (ControlType == null)
{
throw new InvalidOperationException(string.Format("No matching type for <{0}> was found in any of the loaded assemblies.", tag.TagName));
}
// If we are restricted to only load certain types (such as the nested not-a-control instances inside a DataPager control),
// check that the control we have found matches one of those types.
var enumerable
= allowedTypes as Type[] ?? allowedTypes.ToArray();
if (!enumerable.Any(t => IsSameOrSubclass(t, ControlType)))
{
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.AppendFormat("Found matching type for <{0}>, but it is a {1}, not one of the {2} allowed types:\r\n",
tag.TagName, ControlType.FullName, enumerable.Count());
foreach (Type allowedType in enumerable)
{
stringBuilder.AppendFormat("- {0}\r\n", allowedType.FullName);
}
throw new InvalidOperationException(stringBuilder.ToString());
}
// Extract the [ParseChildren] attribute, if it has one.
var custAtts = CustomAttributeData.GetCustomAttributes(ControlType).Where(a => a.AttributeType == typeof(System.Web.UI.ParseChildrenAttribute));
if (custAtts.Any())
{
var parseAtt = custAtts.First();
if (!parseAtt.ConstructorArguments.Any())
{
ParseChildrenAttribute = new ParseChildrenAttribute();
//public ParseChildrenAttribute();
}
else if (parseAtt.ConstructorArguments.Count == 1)
{
//public ParseChildrenAttribute(bool childrenAsProperties);
//public ParseChildrenAttribute(Type childControlType);
if (parseAtt.ConstructorArguments[0].ArgumentType == typeof(bool))
{
bool val = (bool)parseAtt.ConstructorArguments[0].Value;
ParseChildrenAttribute = new ParseChildrenAttribute(val);
}
else if (parseAtt.ConstructorArguments[0].ArgumentType == typeof(Type))
{
Type val = (Type)parseAtt.ConstructorArguments[0].Value;
ParseChildrenAttribute = new ParseChildrenAttribute(val);
}
}
else
{
//public ParseChildrenAttribute(bool childrenAsProperties, string defaultProperty);
bool val = (bool)parseAtt.ConstructorArguments[0].Value;
String defaultPropVal = (string)parseAtt.ConstructorArguments[1].Value;
ParseChildrenAttribute = new ParseChildrenAttribute(val, defaultPropVal);
}
}
//System.Web.UI.ParseChildrenAttribute[] parseChildrenAttributes = (System.Web.UI.ParseChildrenAttribute[])ControlType.GetCustomAttributes(typeof(System.Web.UI.ParseChildrenAttribute), true);
//ParseChildrenAttribute = parseChildrenAttributes.Length == 0 ? null : parseChildrenAttributes[0];
// Extract the [ControlBuilder] attribute, if it has one.
var controlBuilderAttsData = CustomAttributeData.GetCustomAttributes(ControlType).Where(a => a.AttributeType == typeof(System.Web.UI.ControlBuilderAttribute));
if (controlBuilderAttsData.Any())
{
var controlBuilderAttData = custAtts.First();
if (controlBuilderAttData.ConstructorArguments.Count() == 1)
{
Type val = (Type)controlBuilderAttData.ConstructorArguments[0].Value;
ControlBuilderAttribute = new System.Web.UI.ControlBuilderAttribute(val);
}
}
//System.Web.UI.ControlBuilderAttribute[] controlBuilderAttributes = (System.Web.UI.ControlBuilderAttribute[])ControlType.GetCustomAttributes(typeof(System.Web.UI.ControlBuilderAttribute), true);
//ControlBuilderAttribute = controlBuilderAttributes.Length == 0 ? null : controlBuilderAttributes[0];
// Extract the type's properties, since their declarations control what's legal in the markup.
ControlProperties = CollectControlProperties(compileContext, ControlType, this);
// HtmlControls have to be handled specially, since they have [ParseChildren(true)] in many cases but
// aren't really using it for anything.
if (ControlType.Namespace == GetHtmlTagRegistration(assemblies.SystemWebAssembly).Namespace)
{
ParseChildrenAttribute = new ParseChildrenAttribute(false);
}
// Validate the ParseChildrenAttribute, which may be broken or weird.
if (ParseChildrenAttribute != null)
{
if (!string.IsNullOrEmpty(ParseChildrenAttribute.DefaultProperty))
{
string propertyName = ParseChildrenAttribute.DefaultProperty.ToLower(); // ASP.NET also ignores case on this; see internals of ControlBuilder.CreateChildBuilder() for details.
if (!ControlProperties.ContainsKey(propertyName))
{
throw new InvalidOperationException(string.Format("The [ParseChildren] attribute on class \"{0}\" names a default property \"{1}\" that does not exist in that class.",
ControlType.FullName, ParseChildrenAttribute.DefaultProperty));
}
DefaultCollectionProperty = ControlProperties[propertyName];
if (!DefaultCollectionProperty.IsCollectionProperty)
{
throw new InvalidOperationException(string.Format("The [ParseChildren] attribute on class \"{0}\" names a default property \"{1}\" that is not a collection property. The default property must always be a collection property.",
ControlType.FullName, ParseChildrenAttribute.DefaultProperty));
}
}
}
}