Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / Routing / Route.cs / 1305376 / Route.cs
namespace System.Web.Routing { using System; using System.Globalization; using System.Text.RegularExpressions; using System.Web; using System.Runtime.CompilerServices; [TypeForwardedFrom("System.Web.Routing, Version=3.5.0.0, Culture=Neutral, PublicKeyToken=31bf3856ad364e35")] public class Route : RouteBase { private const string HttpMethodParameterName = "httpMethod"; private string _url; private ParsedRoute _parsedRoute; [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1054:UriParametersShouldNotBeStrings", Justification = "This is a URL template with special characters, not just a regular valid URL.")] public Route(string url, IRouteHandler routeHandler) { Url = url; RouteHandler = routeHandler; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1054:UriParametersShouldNotBeStrings", Justification = "This is a URL template with special characters, not just a regular valid URL.")] public Route(string url, RouteValueDictionary defaults, IRouteHandler routeHandler) { Url = url; Defaults = defaults; RouteHandler = routeHandler; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1054:UriParametersShouldNotBeStrings", Justification = "This is a URL template with special characters, not just a regular valid URL.")] public Route(string url, RouteValueDictionary defaults, RouteValueDictionary constraints, IRouteHandler routeHandler) { Url = url; Defaults = defaults; Constraints = constraints; RouteHandler = routeHandler; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1054:UriParametersShouldNotBeStrings", Justification = "This is a URL template with special characters, not just a regular valid URL.")] public Route(string url, RouteValueDictionary defaults, RouteValueDictionary constraints, RouteValueDictionary dataTokens, IRouteHandler routeHandler) { Url = url; Defaults = defaults; Constraints = constraints; DataTokens = dataTokens; RouteHandler = routeHandler; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly", Justification = "This property is settable so people can use object initializers.")] public RouteValueDictionary Constraints { get; set; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly", Justification = "This property is settable so people can use object initializers.")] public RouteValueDictionary DataTokens { get; set; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly", Justification = "This property is settable so people can use object initializers.")] public RouteValueDictionary Defaults { get; set; } public IRouteHandler RouteHandler { get; set; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1056:UriPropertiesShouldNotBeStrings", Justification = "This is a URL template with special characters, not just a regular valid URL.")] public string Url { get { return _url ?? String.Empty; } set { // The parser will throw for invalid routes. We don't have to worry // about _parsedRoute getting out of [....] with _url since the latter // won't get set unless we can parse the route. _parsedRoute = RouteParser.Parse(value); // If we passed the parsing stage, save the original URL value _url = value; } } public override RouteData GetRouteData(HttpContextBase httpContext) { // Parse incoming URL (we trim off the first two chars since they're always "~/") string requestPath = httpContext.Request.AppRelativeCurrentExecutionFilePath.Substring(2) + httpContext.Request.PathInfo; RouteValueDictionary values = _parsedRoute.Match(requestPath, Defaults); if (values == null) { // If we got back a null value set, that means the URL did not match return null; } RouteData routeData = new RouteData(this, RouteHandler); // Validate the values if (!ProcessConstraints(httpContext, values, RouteDirection.IncomingRequest)) { return null; } // Copy the matched values foreach (var value in values) { routeData.Values.Add(value.Key, value.Value); } // Copy the DataTokens from the Route to the RouteData if (DataTokens != null) { foreach (var prop in DataTokens) { routeData.DataTokens[prop.Key] = prop.Value; } } return routeData; } public override VirtualPathData GetVirtualPath(RequestContext requestContext, RouteValueDictionary values) { // Try to generate a URL that represents the values passed in based on current // values from the RouteData and new values using the specified Route. BoundUrl result = _parsedRoute.Bind(requestContext.RouteData.Values, values, Defaults, Constraints); if (result == null) { return null; } // Verify that the route matches the validation rules if (!ProcessConstraints(requestContext.HttpContext, result.Values, RouteDirection.UrlGeneration)) { return null; } VirtualPathData vpd = new VirtualPathData(this, result.Url); // Add the DataTokens from the Route to the VirtualPathData if (DataTokens != null) { foreach (var prop in DataTokens) { vpd.DataTokens[prop.Key] = prop.Value; } } return vpd; } protected virtual bool ProcessConstraint(HttpContextBase httpContext, object constraint, string parameterName, RouteValueDictionary values, RouteDirection routeDirection) { IRouteConstraint customConstraint = constraint as IRouteConstraint; if (customConstraint != null) { return customConstraint.Match(httpContext, this, parameterName, values, routeDirection); } // If there was no custom constraint, then treat the constraint as a string which represents a Regex. string constraintsRule = constraint as string; if (constraintsRule == null) { throw new InvalidOperationException(String.Format( CultureInfo.CurrentUICulture, SR.GetString(SR.Route_ValidationMustBeStringOrCustomConstraint), parameterName, Url)); } object parameterValue; values.TryGetValue(parameterName, out parameterValue); string parameterValueString = Convert.ToString(parameterValue, CultureInfo.InvariantCulture); string constraintsRegEx = "^(" + constraintsRule + ")$"; return Regex.IsMatch(parameterValueString, constraintsRegEx, RegexOptions.CultureInvariant | RegexOptions.IgnoreCase | RegexOptions.Compiled); } private bool ProcessConstraints(HttpContextBase httpContext, RouteValueDictionary values, RouteDirection routeDirection) { if (Constraints != null) { foreach (var constraintsItem in Constraints) { if (!ProcessConstraint(httpContext, constraintsItem.Value, constraintsItem.Key, values, routeDirection)) { return false; } } } return true; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. namespace System.Web.Routing { using System; using System.Globalization; using System.Text.RegularExpressions; using System.Web; using System.Runtime.CompilerServices; [TypeForwardedFrom("System.Web.Routing, Version=3.5.0.0, Culture=Neutral, PublicKeyToken=31bf3856ad364e35")] public class Route : RouteBase { private const string HttpMethodParameterName = "httpMethod"; private string _url; private ParsedRoute _parsedRoute; [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1054:UriParametersShouldNotBeStrings", Justification = "This is a URL template with special characters, not just a regular valid URL.")] public Route(string url, IRouteHandler routeHandler) { Url = url; RouteHandler = routeHandler; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1054:UriParametersShouldNotBeStrings", Justification = "This is a URL template with special characters, not just a regular valid URL.")] public Route(string url, RouteValueDictionary defaults, IRouteHandler routeHandler) { Url = url; Defaults = defaults; RouteHandler = routeHandler; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1054:UriParametersShouldNotBeStrings", Justification = "This is a URL template with special characters, not just a regular valid URL.")] public Route(string url, RouteValueDictionary defaults, RouteValueDictionary constraints, IRouteHandler routeHandler) { Url = url; Defaults = defaults; Constraints = constraints; RouteHandler = routeHandler; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1054:UriParametersShouldNotBeStrings", Justification = "This is a URL template with special characters, not just a regular valid URL.")] public Route(string url, RouteValueDictionary defaults, RouteValueDictionary constraints, RouteValueDictionary dataTokens, IRouteHandler routeHandler) { Url = url; Defaults = defaults; Constraints = constraints; DataTokens = dataTokens; RouteHandler = routeHandler; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly", Justification = "This property is settable so people can use object initializers.")] public RouteValueDictionary Constraints { get; set; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly", Justification = "This property is settable so people can use object initializers.")] public RouteValueDictionary DataTokens { get; set; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly", Justification = "This property is settable so people can use object initializers.")] public RouteValueDictionary Defaults { get; set; } public IRouteHandler RouteHandler { get; set; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1056:UriPropertiesShouldNotBeStrings", Justification = "This is a URL template with special characters, not just a regular valid URL.")] public string Url { get { return _url ?? String.Empty; } set { // The parser will throw for invalid routes. We don't have to worry // about _parsedRoute getting out of [....] with _url since the latter // won't get set unless we can parse the route. _parsedRoute = RouteParser.Parse(value); // If we passed the parsing stage, save the original URL value _url = value; } } public override RouteData GetRouteData(HttpContextBase httpContext) { // Parse incoming URL (we trim off the first two chars since they're always "~/") string requestPath = httpContext.Request.AppRelativeCurrentExecutionFilePath.Substring(2) + httpContext.Request.PathInfo; RouteValueDictionary values = _parsedRoute.Match(requestPath, Defaults); if (values == null) { // If we got back a null value set, that means the URL did not match return null; } RouteData routeData = new RouteData(this, RouteHandler); // Validate the values if (!ProcessConstraints(httpContext, values, RouteDirection.IncomingRequest)) { return null; } // Copy the matched values foreach (var value in values) { routeData.Values.Add(value.Key, value.Value); } // Copy the DataTokens from the Route to the RouteData if (DataTokens != null) { foreach (var prop in DataTokens) { routeData.DataTokens[prop.Key] = prop.Value; } } return routeData; } public override VirtualPathData GetVirtualPath(RequestContext requestContext, RouteValueDictionary values) { // Try to generate a URL that represents the values passed in based on current // values from the RouteData and new values using the specified Route. BoundUrl result = _parsedRoute.Bind(requestContext.RouteData.Values, values, Defaults, Constraints); if (result == null) { return null; } // Verify that the route matches the validation rules if (!ProcessConstraints(requestContext.HttpContext, result.Values, RouteDirection.UrlGeneration)) { return null; } VirtualPathData vpd = new VirtualPathData(this, result.Url); // Add the DataTokens from the Route to the VirtualPathData if (DataTokens != null) { foreach (var prop in DataTokens) { vpd.DataTokens[prop.Key] = prop.Value; } } return vpd; } protected virtual bool ProcessConstraint(HttpContextBase httpContext, object constraint, string parameterName, RouteValueDictionary values, RouteDirection routeDirection) { IRouteConstraint customConstraint = constraint as IRouteConstraint; if (customConstraint != null) { return customConstraint.Match(httpContext, this, parameterName, values, routeDirection); } // If there was no custom constraint, then treat the constraint as a string which represents a Regex. string constraintsRule = constraint as string; if (constraintsRule == null) { throw new InvalidOperationException(String.Format( CultureInfo.CurrentUICulture, SR.GetString(SR.Route_ValidationMustBeStringOrCustomConstraint), parameterName, Url)); } object parameterValue; values.TryGetValue(parameterName, out parameterValue); string parameterValueString = Convert.ToString(parameterValue, CultureInfo.InvariantCulture); string constraintsRegEx = "^(" + constraintsRule + ")$"; return Regex.IsMatch(parameterValueString, constraintsRegEx, RegexOptions.CultureInvariant | RegexOptions.IgnoreCase | RegexOptions.Compiled); } private bool ProcessConstraints(HttpContextBase httpContext, RouteValueDictionary values, RouteDirection routeDirection) { if (Constraints != null) { foreach (var constraintsItem in Constraints) { if (!ProcessConstraint(httpContext, constraintsItem.Value, constraintsItem.Key, values, routeDirection)) { return false; } } } return true; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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