internal static void GenerateGetEncoderMethod(
TextWriter writer, string entitySetupFieldName, IReadOnlyCollection <WebItemParameter> requiredParameters,
IReadOnlyCollection <WebItemParameter> optionalParameters, Func <WebItemParameter, string> isSegmentParameterExpressionGetter, bool includeVersionString)
{
writer.WriteLine(
"protected override global::EnterpriseWebLibrary.EnterpriseWebFramework.UrlEncoder getUrlEncoder() => new UrlEncoder({0});".FormatWith(
StringTools.ConcatenateWithDelimiter(
", ",
(entitySetupFieldName.Any() ? entitySetupFieldName.ToCollection() : Enumerable.Empty <string>())
.Concat(requiredParameters.Select(i => i.PropertyName))
.Concat(
optionalParameters.SelectMany(
i => {
// If a default was specified for the parameter and the default matches the value of our parameter, don't include it.
// If a default was not specified and the value of our parameter is the default value of the type, don't include it.
var defaultParameterReference = WebItemGeneralData.ParameterDefaultsFieldName + "." + i.PropertyName;
var value = "( {0} && {1} ) || ( !{0} && {2} ) ? null : {3}".FormatWith(
WebItemGeneralData.ParameterDefaultsFieldName + "." + OptionalParameterPackageStatics.GetWasSpecifiedPropertyName(i),
i.IsEnumerable
? defaultParameterReference + ".SequenceEqual( " + i.PropertyName + " )"
: defaultParameterReference + " == " + i.PropertyName,
i.IsEnumerable ? "!" + i.PropertyName + ".Any()" : i.PropertyName + " == " + (i.IsString ? "\"\"" : "default(" + i.TypeName + ")"),
i.IsString || i.IsEnumerable ? i.PropertyName : "new SpecifiedValue<{0}>( {1} )".FormatWith(i.TypeName, i.PropertyName));
return(new[] { value, isSegmentParameterExpressionGetter(i) });
}))
.Concat(includeVersionString ? "getUrlVersionString()".ToCollection() : Enumerable.Empty <string>()))
.Surround(" ", " ")));
}
private static void writeInitParametersMethod(
TextWriter writer, WebItemGeneralData generalData, IReadOnlyCollection <WebItemParameter> requiredParameters,
IReadOnlyCollection <WebItemParameter> optionalParameters, bool includeEsParameter, bool isEs, string constructorParameters)
{
CodeGenerationStatics.AddSummaryDocComment(
writer,
"Initializes required and optional parameters. A call to this should be the first line of every non-generated constructor.");
writer.WriteLine("private void initParameters" + constructorParameters);
if (includeEsParameter)
{
writer.WriteLine("Es = es;");
}
foreach (var requiredParameter in requiredParameters)
{
if (requiredParameter.IsString || requiredParameter.IsEnumerable)
{
writer.WriteLine(
"if( " + requiredParameter.Name +
" == null ) throw new ApplicationException( \"You cannot specify null for the value of a string or an IEnumerable.\" );");
}
writer.WriteLine(requiredParameter.FieldName + " = " + requiredParameter.Name + ";");
}
// Initialize optional parameter fields.
if (optionalParameters.Any())
{
writer.WriteLine("var optionalParametersInitializedFromCurrent = false;");
writer.WriteLine("if( EwfApp.Instance != null && AppRequestState.Instance != null ) {");
// If the list of current URL handlers has a matching object, apply its parameter values.
writer.WriteLine("foreach( var urlHandler in AppRequestState.Instance.UrlHandlers )");
if (isEs)
{
writer.WriteLine("if( urlHandler is ResourceBase r ) {");
writer.WriteLine("if( {0} ) {{".FormatWith(getHandlerMatchExpression(generalData, requiredParameters, true)));
generateMatchingHandlerParameterInitStatements(writer, optionalParameters, false);
writer.WriteLine("}");
writer.WriteLine("}");
writer.WriteLine("else {");
writer.WriteLine("if( {0} ) {{".FormatWith(getHandlerMatchExpression(generalData, requiredParameters, false)));
generateMatchingHandlerParameterInitStatements(writer, optionalParameters, false);
writer.WriteLine("}");
writer.WriteLine("}");
}
else
{
writer.WriteLine("if( {0} ) {{".FormatWith(getHandlerMatchExpression(generalData, requiredParameters, false)));
generateMatchingHandlerParameterInitStatements(writer, optionalParameters, false);
writer.WriteLine("}");
}
// If new parameter values are effective, and the current resource or an ancestor matches this object, apply its new parameter values.
if (generalData.IsPage() || isEs)
{
writer.WriteLine("if( AppRequestState.Instance.NewUrlParameterValuesEffective ) {");
writer.WriteLine("UrlHandler urlHandler = {0}Current;".FormatWith(generalData.IsPage() ? "" : "PageBase."));
writer.WriteLine("do");
if (isEs)
{
writer.WriteLine("if( urlHandler is ResourceBase r ) {");
writer.WriteLine("if( {0} ) {{".FormatWith(getHandlerMatchExpression(generalData, requiredParameters, true)));
generateMatchingHandlerParameterInitStatements(writer, optionalParameters, true);
writer.WriteLine("}");
writer.WriteLine("}");
writer.WriteLine("else {");
writer.WriteLine("if( {0} ) {{".FormatWith(getHandlerMatchExpression(generalData, requiredParameters, false)));
generateMatchingHandlerParameterInitStatements(writer, optionalParameters, true);
writer.WriteLine("}");
writer.WriteLine("}");
}
else
{
writer.WriteLine("if( {0} ) {{".FormatWith(getHandlerMatchExpression(generalData, requiredParameters, false)));
generateMatchingHandlerParameterInitStatements(writer, optionalParameters, true);
writer.WriteLine("}");
}
writer.WriteLine("while( ( urlHandler = urlHandler.GetParent() ) != null );");
writer.WriteLine("}");
}
writer.WriteLine("}");
// Apply parameter values from the setter.
writer.WriteLine("var optionalParameterSpecifier = new OptionalParameterSpecifier();");
writer.WriteLine(
"optionalParameterSetter?.Invoke( {0} );".FormatWith(
StringTools.ConcatenateWithDelimiter(
", ",
"optionalParameterSpecifier",
includeEsParameter ? "es" : "",
"new Parameters( {0} )".FormatWith(
StringTools.ConcatenateWithDelimiter(
", ",
requiredParameters.Select(i => i.PropertyName)
.Append(
"optionalParametersInitializedFromCurrent ? new OptionalParameters( {0} ) : null".FormatWith(
StringTools.ConcatenateWithDelimiter(", ", optionalParameters.Select(i => i.PropertyName)))))))));
foreach (var i in optionalParameters)
{
writer.WriteLine(
"if( optionalParameterSpecifier.{0} ) {1} = optionalParameterSpecifier.{2};".FormatWith(
OptionalParameterPackageStatics.GetWasSpecifiedPropertyName(i),
i.FieldName,
i.PropertyName));
}
// This is called after all current values and values from the setter have been incorporated since these can affect default values.
writer.WriteLine(
"specifyParameterDefaults( {0} );".FormatWith(
StringTools.ConcatenateWithDelimiter(
", ",
WebItemGeneralData.ParameterDefaultsFieldName,
includeEsParameter ? "es" : "",
"new Parameters( {0} )".FormatWith(
StringTools.ConcatenateWithDelimiter(
", ",
requiredParameters.Select(i => i.PropertyName)
.Append(
"new OptionalParameters( {0} )".FormatWith(
StringTools.ConcatenateWithDelimiter(", ", optionalParameters.Select(i => i.PropertyName)))))))));
// Apply default values to parameters not yet initialized.
writer.WriteLine("if( !optionalParametersInitializedFromCurrent ) {");
foreach (var i in optionalParameters)
{
writer.WriteLine(
"if( !optionalParameterSpecifier.{0} && {1}.{0} ) {2} = {1}.{3};".FormatWith(
OptionalParameterPackageStatics.GetWasSpecifiedPropertyName(i),
WebItemGeneralData.ParameterDefaultsFieldName,
i.FieldName,
i.PropertyName));
}
writer.WriteLine("}");
}
if (!isEs)
{
writer.WriteLine("base.uriFragmentIdentifier = uriFragmentIdentifier;");
}
if (optionalParameters.Any())
{
writer.WriteLine("this.optionalParameterSetter = optionalParameterSetter;");
}
writer.WriteLine("}"); // initParameters method
}
