TagPrefixInfo.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / Configuration / TagPrefixInfo.cs / 2 / TagPrefixInfo.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.Configuration { 
    using System; 
    using System.Xml;
    using System.Configuration; 
    using System.Collections.Specialized;
    using System.Collections;
    using System.IO;
    using System.Text; 
    using System.Web.Util;
    using System.Web.UI; 
    using System.Web.Compilation; 
    using System.Threading;
    using System.Web.Configuration; 
    using System.Security.Permissions;

    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    public sealed class TagPrefixInfo : ConfigurationElement { 
        private static readonly ConfigurationElementProperty s_elemProperty =
            new ConfigurationElementProperty(new CallbackValidator(typeof(TagPrefixInfo), Validate)); 
 
        private static ConfigurationPropertyCollection _properties;
 
        private static readonly ConfigurationProperty _propTagPrefix =
            new ConfigurationProperty("tagPrefix",
                                        typeof(string),
                                        "/", 
                                        null,
                                        StdValidatorsAndConverters.NonEmptyStringValidator, 
                                        ConfigurationPropertyOptions.IsRequired); 

        private static readonly ConfigurationProperty _propTagName = 
            new ConfigurationProperty("tagName",
                                        typeof(string),
                                        String.Empty,
                                        null, 
                                        null,
                                        ConfigurationPropertyOptions.None); 
 
        private static readonly ConfigurationProperty _propNamespace =
            new ConfigurationProperty("namespace", 
                                        typeof(string),
                                        String.Empty,
                                        null,
                                        null, 
                                        ConfigurationPropertyOptions.None);
 
        private static readonly ConfigurationProperty _propAssembly = 
            new ConfigurationProperty("assembly",
                                        typeof(string), 
                                        String.Empty,
                                        null,
                                        null,
                                        ConfigurationPropertyOptions.None); 

        private static readonly ConfigurationProperty _propSource = 
            new ConfigurationProperty("src", 
                                        typeof(string),
                                        String.Empty, 
                                        null,
                                        null,
                                        ConfigurationPropertyOptions.None);
 
        static TagPrefixInfo() {
            _properties = new ConfigurationPropertyCollection(); 
            _properties.Add(_propTagPrefix); 
            _properties.Add(_propTagName);
            _properties.Add(_propNamespace); 
            _properties.Add(_propAssembly);
            _properties.Add(_propSource);

        } 

        internal TagPrefixInfo() { 
        } 

        public TagPrefixInfo(String tagPrefix, String nameSpace, String assembly, String tagName, String source) 
            : this() {
            TagPrefix = tagPrefix;
            Namespace = nameSpace;
            Assembly = assembly; 
            TagName = tagName;
            Source = source; 
        } 

        public override bool Equals(object prefix) { 
            TagPrefixInfo ns = prefix as TagPrefixInfo;
            return StringUtil.Equals(TagPrefix, ns.TagPrefix) &&
                    StringUtil.Equals(TagName, ns.TagName) &&
                    StringUtil.Equals(Namespace, ns.Namespace) && 
                    StringUtil.Equals(Assembly, ns.Assembly) &&
                    StringUtil.Equals(Source, ns.Source); 
        } 
        public override int GetHashCode() {
            return TagPrefix.GetHashCode() ^ TagName.GetHashCode() ^ 
                   Namespace.GetHashCode() ^ Assembly.GetHashCode() ^
                   Source.GetHashCode();
        }
 
        protected override ConfigurationPropertyCollection Properties {
            get { 
                return _properties; 
            }
        } 

        [ConfigurationProperty("tagPrefix", IsRequired = true, DefaultValue = "/")]
        [StringValidator(MinLength = 1)]
        public string TagPrefix { 
            get {
                return (string)base[_propTagPrefix]; 
            } 
            set {
                base[_propTagPrefix] = value; 
            }
        }

        [ConfigurationProperty("tagName")] 
        public string TagName {
            get { 
                return (string)base[_propTagName]; 
            }
            set { 
                base[_propTagName] = value;
            }
        }
 
        [ConfigurationProperty("namespace")]
        public string Namespace { 
            get { 
                return (string)base[_propNamespace];
            } 
            set {
                base[_propNamespace] = value;
            }
        } 

        [ConfigurationProperty("assembly")] 
        public string Assembly { 
            get {
                return (string)base[_propAssembly]; 
            }
            set {
                base[_propAssembly] = value;
            } 
        }
 
        [ConfigurationProperty("src")] 
        public string Source {
            get { 
                return (string)base[_propSource];
            }
            set {
                if (!String.IsNullOrEmpty(value)) { 
                    base[_propSource] = value;
                } 
                else { 
                    base[_propSource] = null;
                } 

            }
        }
        protected override ConfigurationElementProperty ElementProperty { 
            get {
                return s_elemProperty; 
            } 
        }
        private static void Validate(object value) { 
            if (value == null) {
                throw new ArgumentNullException("control");
            }
 
            TagPrefixInfo elem = (TagPrefixInfo)value;
 
            if (System.Web.UI.Util.ContainsWhiteSpace(elem.TagPrefix)) { 
                throw new ConfigurationErrorsException(
                    SR.GetString(SR.Space_attribute, "tagPrefix")); 
            }

            bool invalid = false;
 
            if (!String.IsNullOrEmpty(elem.Namespace)) {
                // It is a custom control 
                if (!(String.IsNullOrEmpty(elem.TagName) && String.IsNullOrEmpty(elem.Source))) { 
                    invalid = true;
                } 
            }
            else if (!String.IsNullOrEmpty(elem.TagName)) {
                // It is a user control
                if (!(String.IsNullOrEmpty(elem.Namespace) && 
                      String.IsNullOrEmpty(elem.Assembly) &&
                      !String.IsNullOrEmpty(elem.Source))) { 
                    invalid = true; 
                }
            } 
            else {
                invalid = true;
            }
 
            if (invalid) {
                throw new ConfigurationErrorsException( 
                    SR.GetString(SR.Invalid_tagprefix_entry)); 
            }
        } 
    }
}

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