public static object Read(this IDictionary <string, string> data, Type type)
{
var t = Activator.CreateInstance(type);
var propertyList =
type.GetProperties(BindingFlags.Instance | BindingFlags.Public).Where(p => p.CanWrite);
foreach (var propertyInfo in propertyList)
{
string textValue;
if (!data.TryGetValue(propertyInfo.Name, out textValue))
{
continue;
}
var typedValue = MvxStringToTypeParser.ReadValue(textValue, propertyInfo.PropertyType, propertyInfo.Name);
propertyInfo.SetValue(t, typedValue, new object[0]);
}
return(t);
}
public static IEnumerable <object> CreateArgumentList(this IDictionary <string, string> data, IEnumerable <ParameterInfo> requiredParameters, string debugText)
{
var argumentList = new List <object>();
foreach (var requiredParameter in requiredParameters)
{
string parameterValue;
if (data == null ||
!data.TryGetValue(requiredParameter.Name, out parameterValue))
{
MvxTrace.Trace(
"Missing parameter for call to {0} - missing parameter {1} - asssuming null - this may fail for value types!",
debugText,
requiredParameter.Name);
parameterValue = null;
}
var value = MvxStringToTypeParser.ReadValue(parameterValue, requiredParameter.ParameterType,
requiredParameter.Name);
argumentList.Add(value);
}
return(argumentList);
}
public void Test_AllTypesCanBeRead()
{
var parser = new MvxStringToTypeParser();
Assert.AreEqual("Hello World", parser.ReadValue("Hello World", typeof(string), "ignored"));
Assert.AreEqual("", parser.ReadValue("", typeof(string), "ignored"));
Assert.AreEqual(null, parser.ReadValue(null, typeof(string), "ignored"));
Assert.AreEqual(1.23, parser.ReadValue("1.23", typeof(double), "ignored"));
Assert.AreEqual(123.0, parser.ReadValue("1,23", typeof(double), "ignored"),
"comma separators ignored under invariant parsing");
Assert.AreEqual(0, parser.ReadValue("garbage", typeof(double), "ignored"));
Assert.AreEqual(0, parser.ReadValue("", typeof(double), "ignored"));
Assert.AreEqual(0, parser.ReadValue(null, typeof(double), "ignored"));
Assert.AreEqual(1.23f, parser.ReadValue("1.23", typeof(float), "ignored"));
Assert.AreEqual(123.0f, parser.ReadValue("1,23", typeof(float), "ignored"),
"comma separators ignored under invariant parsing");
Assert.AreEqual(0f, parser.ReadValue("garbage", typeof(float), "ignored"));
Assert.AreEqual(0f, parser.ReadValue("", typeof(float), "ignored"));
Assert.AreEqual(0f, parser.ReadValue(null, typeof(float), "ignored"));
Assert.AreEqual(123, parser.ReadValue("123", typeof(int), "ignored"));
Assert.AreEqual(0, parser.ReadValue("12.3", typeof(int), "ignored"),
"partial integers should not be parsed");
Assert.AreEqual(0, parser.ReadValue("garbage", typeof(int), "ignored"));
Assert.AreEqual(0, parser.ReadValue("", typeof(int), "ignored"));
Assert.AreEqual(0, parser.ReadValue(null, typeof(int), "ignored"));
Assert.AreEqual(123L, parser.ReadValue("123", typeof(long), "ignored"));
Assert.AreEqual(0, parser.ReadValue("12.3", typeof(long), "ignored"),
"partial integers should not be parsed");
Assert.AreEqual(0L, parser.ReadValue("garbage", typeof(long), "ignored"));
Assert.AreEqual(0L, parser.ReadValue("", typeof(long), "ignored"));
Assert.AreEqual(0L, parser.ReadValue(null, typeof(long), "ignored"));
Assert.AreEqual((ulong)123L, parser.ReadValue("123", typeof(ulong), "ignored"));
Assert.AreEqual((ulong)0, parser.ReadValue("12.3", typeof(ulong), "ignored"),
"partial integers should not be parsed");
Assert.AreEqual((ulong)0L, parser.ReadValue("garbage", typeof(ulong), "ignored"));
Assert.AreEqual((ulong)0L, parser.ReadValue("", typeof(ulong), "ignored"));
Assert.AreEqual((ulong)0L, parser.ReadValue(null, typeof(ulong), "ignored"));
Assert.AreEqual((ushort)123, parser.ReadValue("123", typeof(ushort), "ignored"));
Assert.AreEqual((ushort)0, parser.ReadValue("12.3", typeof(ushort), "ignored"),
"partial integers should not be parsed");
Assert.AreEqual((ushort)0, parser.ReadValue("garbage", typeof(ushort), "ignored"));
Assert.AreEqual((ushort)0, parser.ReadValue("", typeof(ushort), "ignored"));
Assert.AreEqual((ushort)0, parser.ReadValue(null, typeof(ushort), "ignored"));
Assert.AreEqual(true, parser.ReadValue("true", typeof(bool), "ignored"));
Assert.AreEqual(true, parser.ReadValue("True", typeof(bool), "ignored"));
Assert.AreEqual(true, parser.ReadValue("TRUE", typeof(bool), "ignored"));
Assert.AreEqual(true, parser.ReadValue("truE", typeof(bool), "ignored"));
Assert.AreEqual(false, parser.ReadValue("false", typeof(bool), "ignored"));
Assert.AreEqual(false, parser.ReadValue("False", typeof(bool), "ignored"));
Assert.AreEqual(false, parser.ReadValue("FALSE", typeof(bool), "ignored"));
Assert.AreEqual(false, parser.ReadValue("falsE", typeof(bool), "ignored"));
Assert.AreEqual(false, parser.ReadValue("garbage", typeof(bool), "ignored"));
Assert.AreEqual(false, parser.ReadValue("", typeof(bool), "ignored"));
Assert.AreEqual(false, parser.ReadValue(null, typeof(bool), "ignored"));
var guid = Guid.Parse("{C3CF9078-0122-41BD-9E2D-D3199E937285}");
Assert.AreEqual(guid,
parser.ReadValue("{C3CF9078-0122-41BD-9E2D-D3199E937285}", typeof(Guid),
"ignored"));
Assert.AreEqual(guid,
parser.ReadValue(
"{C3CF9078-0122-41BD-9E2D-D3199E937285}".ToLowerInvariant(), typeof(Guid), "ignored"));
Assert.AreEqual(Guid.Empty,
parser.ReadValue("{F9078-0122-41BD-9E2D-D3199E93}", typeof(Guid), "ignored"));
Assert.AreEqual(Guid.Empty, parser.ReadValue("garbage", typeof(Guid), "ignored"));
Assert.AreEqual(Guid.Empty, parser.ReadValue("", typeof(Guid), "ignored"));
Assert.AreEqual(Guid.Empty, parser.ReadValue(null, typeof(Guid), "ignored"));
Assert.AreEqual(StringSplitOptions.RemoveEmptyEntries,
parser.ReadValue("RemoveEmptyEntries", typeof(StringSplitOptions), "ignored"));
Assert.AreEqual(StringSplitOptions.None,
parser.ReadValue("None".ToLowerInvariant(), typeof(StringSplitOptions),
"ignored"));
Assert.AreEqual(StringSplitOptions.None,
parser.ReadValue("garbage", typeof(StringSplitOptions), "ignored"));
Assert.AreEqual(StringSplitOptions.None,
parser.ReadValue("", typeof(StringSplitOptions), "ignored"));
Assert.AreEqual(StringSplitOptions.None,
parser.ReadValue(null, typeof(StringSplitOptions), "ignored"));
}