__Filters.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Reflection / __Filters.cs / 1 / __Filters.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////// 
// 
// This class defines the delegate methods for the COM+ implemented filters.
//	This is the reflection version of these.  There is also a _Filters class in 
//	runtime which is related to this.
//
//
// 
//
namespace System.Reflection { 
 	using System; 
        using System.Globalization;
    //< 



	[Serializable()] 
    internal class __Filters {
    	 
    	// FilterTypeName 
    	// This method will filter the class based upon the name.  It supports
    	//	a trailing wild card. 
    	public virtual bool FilterTypeName(Type cls,Object filterCriteria)
    	{
    		// Check that the criteria object is a String object
    		if (filterCriteria == null || !(filterCriteria is String)) 
    			throw new InvalidFilterCriteriaException(System.Environment.GetResourceString("RFLCT.FltCritString"));
 
    		String str = (String) filterCriteria; 
    		//str = str.Trim();
 
    		// Check to see if this is a prefix or exact match requirement
    		if (str.Length > 0 && str[str.Length - 1] == '*') {
    			str = str.Substring(0, str.Length - 1);
    			return cls.Name.StartsWith(str, StringComparison.Ordinal); 
    		}
 
    		return cls.Name.Equals(str); 
    	}
    	 
    	// FilterFieldNameIgnoreCase
    	// This method filter the Type based upon name, it ignores case.
    	public virtual bool FilterTypeNameIgnoreCase(Type cls, Object filterCriteria)
    	{ 
    		// Check that the criteria object is a String object
    		if(filterCriteria == null || !(filterCriteria is String)) 
    			throw new InvalidFilterCriteriaException(System.Environment.GetResourceString("RFLCT.FltCritString")); 

    		String str = (String) filterCriteria; 
    		//str = str.Trim();

    		// Check to see if this is a prefix or exact match requirement
    		if (str.Length > 0 && str[str.Length - 1] == '*') { 
    			str = str.Substring(0, str.Length - 1);
                            String name = cls.Name; 
							if (name.Length >= str.Length) 
 								return (String.Compare(name,0,str,0,str.Length,StringComparison.OrdinalIgnoreCase)==0);
							else 
 								return false;
    		}
    		return (String.Compare(str,cls.Name, StringComparison.OrdinalIgnoreCase) == 0);
    	} 
    }
}

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