public static void GenerateObjectPropertyStreamMethod(TextTemplating.TextTransformation ttFile,
TagElementStreamSubjectType subject, PrimitiveCodeDefinition codeDef, bool hasTNameParam = true)
{
if (ttFile == null)
{
throw new ArgumentNullException(nameof(ttFile));
}
if (codeDef == null)
{
throw new ArgumentNullException(nameof(codeDef));
}
ttFile.PushIndent("\t");
ttFile.PushIndent("\t");
bool is_opt =
subject == TagElementStreamSubjectType.ElementOpt ||
subject == TagElementStreamSubjectType.AttributeOpt
;
string method_name = subject.ToString();
ttFile.WriteLine(
"public {5} Stream{0}<T>({2} T theObj, Exprs.Expression<Func<T, {1} >> propExpr {3} {4})",
method_name,
codeDef.Keyword,
hasTNameParam.UseStringOrEmpty("TName name,"),
is_opt.UseStringOrEmpty(", Predicate<{0}> predicate = null", codeDef.Keyword),
codeDef.IsInteger.UseStringOrEmpty(", NumeralBase numBase=kDefaultRadix"),
!is_opt ? "void" : "bool"
);
ttFile.WriteLine("{");
ttFile.PushIndent("\t");
if (hasTNameParam)
{
ttFile.WriteLine("Contract.Requires(ValidateNameArg(name));");
ttFile.WriteLine("");
}
if (is_opt)
{
ttFile.WriteLine("if (predicate == null)");
using (var cb1 = ttFile.EnterCodeBlock())
ttFile.WriteLine("predicate = x => true;");
ttFile.NewLine();
ttFile.WriteLine("bool executed = false;");
}
ttFile.WriteLine("var property = Reflection.Util.PropertyFromExpr(propExpr);");
ttFile.WriteLine("if (IsReading)");
using (var cb1 = ttFile.EnterCodeBlock(TextTransformationCodeBlockType.Brackets))
{
ttFile.WriteLine("var value = default( {0} );", codeDef.Keyword);
ttFile.WriteLine("{1}Read{0}({2} ref value {3});",
method_name,
is_opt.UseStringOrEmpty("executed = "),
hasTNameParam.UseStringOrEmpty("name,"),
codeDef.IsInteger.UseStringOrEmpty(", numBase")
);
if (is_opt)
{
ttFile.WriteLine("if (executed)");
}
using (var cb2 = ttFile.EnterCodeBlock(TextTransformationCodeBlockType.Brackets))
ttFile.WriteLine("property.SetValue(theObj, value, null);");
}
ttFile.WriteLine("else if (IsWriting)");
using (var cb1 = ttFile.EnterCodeBlock())
{
ttFile.WriteLine("{2}Write{0}{3}({4} ({1})property.GetValue(theObj, null) {5}{6});",
method_name, // 0
codeDef.Keyword, // 1
is_opt.UseStringOrEmpty("executed = "), // 2
is_opt.UseStringOrEmpty("OnTrue"), // 3
hasTNameParam.UseStringOrEmpty("name,"), // 4
is_opt.UseStringOrEmpty(", predicate"), // 5
codeDef.IsInteger.UseStringOrEmpty(", numBase") // 6
);
};
if (is_opt)
{
ttFile.NewLine();
ttFile.WriteLine("return executed;");
}
ttFile.PopIndent();
ttFile.WriteLine("}");
ttFile.PopIndent();
ttFile.PopIndent();
}
public BitSetEnumeratorDef(string name, PrimitiveCodeDefinition def)
{
Name = name;
ResultCodeDef = def;
}
