void Check(
string json,
bool isNull, bool isArray, bool isObject, bool isValue, SLJsonNodeType valueType,
bool valueBoolean, int valueInt32, long valueInt64, double valueNumber, string valueString)
{
SLJsonNode parsed = SLJsonParser.Parse(json);
SLJsonNode n = parsed["value"];
Test.Assert(() => n.IsArray == isArray);
Test.Assert(() => n.IsNull == isNull);
Test.Assert(() => n.IsObject == isObject);
Test.Assert(() => n.IsValue == isValue);
Test.Assert(() => n.NodeType == valueType);
Test.Assert(() => n.IsValue == (n.IsBoolean || n.IsNumber || n.IsString));
Test.Assert(() => n.IsBoolean == (valueType == SLJsonNodeType.Boolean));
Test.Assert(() => n.IsNumber == (valueType == SLJsonNodeType.Number));
Test.Assert(() => n.IsString == (valueType == SLJsonNodeType.String));
Test.Assert(() => n.AsBoolean == valueBoolean);
Test.Assert(() => n.AsInt32 == valueInt32);
Test.Assert(() => n.AsInt64 == valueInt64);
Test.Assert(() => Math.Abs(n.AsDouble - valueNumber) <= 1e-7);
Test.Assert(() => n.AsString == valueString);
}
public static void RunExample1()
{
Console.WriteLine("Example 1");
Console.WriteLine("=========");
Console.WriteLine();
string jsonExpression = @"
{
addressBook: [
{lastName: 'Average', firstName: 'Joe'},
{lastName: 'Doe', firstName: 'Jane'},
{lastName: 'Smith', firstName: 'John'}
]
}";
SLJsonNode root = SLJsonParser.Parse(jsonExpression);
SLJsonNode book = root["addressBook"];
if (book.IsArray)
{
int c = book.Count;
for (int i = 0; i < c; i++)
{
SLJsonNode entry = book[i];
string ln = entry["lastName"];
string fn = entry["firstName"];
Console.WriteLine(fn + " " + ln);
}
}
Console.WriteLine();
}
void ParseAndSerialize(string jsonExpression, bool allowArraysAndValues, SLJsonNodeType nodeType)
{
SLJsonNode n = SLJsonParser.Parse(jsonExpression, allowArraysAndValues);
Test.Assert(() => n.NodeType == nodeType);
string s = RemoveWhitespace(jsonExpression);
Test.Assert(() => n.AsJsonCompact == s);
}
public static void RunExample2()
{
Console.WriteLine("Example 2");
Console.WriteLine("=========");
Console.WriteLine();
string jsonExpression = RetrieveJsonExample();
PrintNode(SLJsonNode.Parse(jsonExpression), "demo = ", 0);
Console.WriteLine();
}
public static void RunExample3()
{
Console.WriteLine("Example 3");
Console.WriteLine("=========");
Console.WriteLine();
var root = new SLJsonNode();
root["addressBook"] = CreateAddressBook();
Console.WriteLine(root.AsJson);
Console.WriteLine();
}
void MakeObjectSetItem(string name, SLJsonNode value)
{
MakeObject();
SLJsonNode n = TryGetObjectProperty(name);
if (n != null)
{
n.ClearParent();
}
m_Object[name] = value;
}
static SLJsonNode CreateAddressBook()
{
var book = new SLJsonNode();
book[0]["LastName"] = "Average";
book[0]["firstName"] = "Joe";
book[1]["LastName"] = "Doe";
book[1]["firstName"] = "Jane";
book[2]["LastName"] = "Smith";
book[2]["firstName"] = "John";
return(book);
}
public T Deserialize <T>(SLJsonNode node) where T : new()
{
if (node == null)
{
throw new ArgumentNullException("node");
}
if (node.IsObject)
{
return((T)DeserializeObject(typeof(T), node));
}
return(new T());
//return Activator.CreateInstance<T>();
}
void TestReadWrite()
{
string s = RetrieveJsonExpression();
SLJsonNode n = SLJsonParser.Parse(s);
SLJsonMonitor m = n.CreateMonitor();
// Try to read some properties
Test.Assert(() => n["person"]["firstName"].AsString == "Jane");
Test.Assert(() => n["person"]["lastName"].AsString == "Doe");
Test.Assert(() => n["person"]["zipCode"].AsString == "12345");
Test.Assert(() => !m.IsModified);
try
{
m.IsReadOnly = true;
n["abc"]["def"][100] = 0;
Test.Assert(() => false);
}
catch (InvalidOperationException)
{
m.IsReadOnly = false;
Test.Assert(() => true);
}
Test.Assert(() => !m.IsModified);
// Try to change an existing property
n["person"]["firstName"].AsString = "John";
Test.Assert(() => n["person"]["firstName"].AsString == "John");
Test.Assert(() => m.IsModified);
// Try to add a new property
int c = n["person"].Count;
Test.Assert(() => n["person"]["newProperty"].NodeType == SLJsonNodeType.Missing);
n["person"]["newProperty"].AsInt32 = 333;
Test.Assert(() => n["person"].Count == c + 1);
Test.Assert(() => n["person"]["newProperty"].NodeType == SLJsonNodeType.Number);
Test.Assert(() => n["person"]["newProperty"].AsString == "333");
// Try to delete a property
c = n["person"].Count;
Test.Assert(() => n["person"]["lastName"].NodeType == SLJsonNodeType.String);
n["person"]["lastName"].Remove();
Test.Assert(() => n["person"].Count == c - 1);
Test.Assert(() => n["person"]["lastName"].NodeType == SLJsonNodeType.Missing);
Test.Assert(() => n["person"]["lastName"].AsString == null);
}
SLJsonNode Clone(SLJsonNode parent)
{
var res = new SLJsonNode(parent);
res.m_NodeType = m_NodeType;
res.m_Value = m_Value;
res.m_Index = m_Index;
res.m_Name = m_Name;
// Do not copy m_Monitor here!
if (m_Array != null)
{
res.m_Array = CreateArray();
foreach (SLJsonNode n in m_Array)
{
#if DEBUG
if (n.m_Parent != this)
{
throw new InvalidOperationException();
}
#endif
res.m_Array.Add(n.Clone(res));
}
}
if (m_Object != null)
{
res.m_Object = CreateObject();
foreach (string k in m_Object.Keys)
{
SLJsonNode n = TryGetObjectProperty(k);
#if DEBUG
if (n.m_Parent != this)
{
throw new InvalidOperationException();
}
#endif
res.m_Object.Add(k, n.Clone(res));
}
}
return(res);
}
public SLJsonNode this[string name]
{
get
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (m_Object != null)
{
SLJsonNode n = TryGetObjectProperty(name);
if (n != null)
{
return(n);
}
}
return(new SLJsonNode(this, name));
}
set
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (value == null)
{
value = new SLJsonNode();
}
else
{
if (value.m_Parent != null)
{
throw new ArgumentException("Node already in use", "value");
}
}
BeforeChange();
MakeObjectSetItem(name, value);
value.AssignParent(this);
Activate();
}
}
object DeserializeArray(Type type, SLJsonNode array, bool asObject)
{
if (!type.IsArray)
{
throw new NotSupportedException("Type " + type.FullName + " is not an array");
}
Type t = type.GetElementType();
object defaultValue = null;
if (!asObject && !t.GetTypeInfo().IsClass)
{
defaultValue = Activator.CreateInstance(t);
}
int c = array.Count;
var res = Array.CreateInstance(t, c);
for (int i = 0; i < c; i++)
{
object v = defaultValue;
SLJsonNode n = array[i];
if (n != null)
{
if (asObject)
{
if (n.IsObject)
{
v = DeserializeObject(t, n);
}
}
else
{
if (n.IsValue)
{
v = DeserializeValue(t, n);
}
}
}
res.SetValue(v, i);
}
return(res);
}
void MakeArraySetItem(int index, SLJsonNode value)
{
MakeArray();
while (m_Array.Count < index)
{
m_Array.Add(new SLJsonNode(this));
}
if (index == m_Array.Count)
{
m_Array.Add(value);
}
else
{
GetArrayItem(index).ClearParent();
m_Array[index] = value;
}
}
public void Run()
{
Test = new UnitTestHelper();
Test.PrintHeadline("UnitTest3 - Reflection-based Serialization");
var o1 = new ExampleOuter()
{
ValueString = "Test",
ValueStringArray = new string[] { "A", "B,", "C" },
ValueDoubleArray = new double[] { 2, 3.14, 10000 },
PropertyInteger = 27,
PropertyDateTime = new DateTime(2017, 12, 27, 14, 30, 0),
};
o1.ValueObject = new ExampleInner(2);
o1.ValueObjectArray = new ExampleInner[] { new ExampleInner(4), new ExampleInner(6) };
o1.ChangePrivateValue(2.345f);
string s1 = Serialize(o1);
//Console.WriteLine(s1);
var d = new SLJsonDeserializer();
ExampleOuter o2 = d.Deserialize <ExampleOuter>(s1);
string s2 = Serialize(o1);
Test.Assert(() => s1 == s2);
SLJsonNode n1 = SLJsonParser.Parse(s1);
SLJsonNode n2 = n1.Clone();
SLJsonNode n3 = SLJsonParser.Parse(n2.AsJson);
SLJsonNode n4 = SLJsonParser.Parse(n3.AsJsonCompact);
Test.Assert(() => n1 != n2);
CompareNodes(n1, n1);
CompareNodes(n1, n2);
CompareNodes(n1, n3);
CompareNodes(n1, n4);
//Console.WriteLine();
Test.PrintSummary();
Test = null;
}
void TestCreateNew()
{
var n = new SLJsonNode();
n["person"]["firstName"].AsString = "John";
n["person"]["lastName"].AsString = "Doe";
Test.Assert(() => n.Count == 1);
Test.Assert(() => n["person"].Count == 2);
Test.Assert(() => n["person"]["firstName"].AsString == "John");
Test.Assert(() => n["person"]["lastName"].AsString == "Doe");
n["intValue"].AsInt32 = 27;
Test.Assert(() => n["intValue"].IsNumber);
Test.Assert(() => n["intValue"].AsString == "27");
Test.Assert(() => n["intValue"].Remove());
Test.Assert(() => !n["intValue"].Remove());
Test.Assert(() => n["intValue"].IsMissing);
Test.Assert(() => n["intValue"].AsString == null);
Test.Assert(() => n["testArray"].IsMissing);
n["testArray"][0].AsInt32 = 11;
Test.Assert(() => n["testArray"].IsArray);
Test.Assert(() => n["testArray"].Count == 1);
n["testArray"][0].AsInt32 = 77;
Test.Assert(() => n["testArray"].Count == 1);
Test.Assert(() => n["testArray"][0].AsInt32 == 77);
Test.Assert(() => n["testArray"][1].IsMissing);
n["testArray"][2].AsInt32 = 200;
Test.Assert(() => n["testArray"][1].IsNull);
Test.Assert(() => n["testArray"][2].IsNumber);
Test.Assert(() => n["testArray"][3].IsMissing);
n["testArray"][3].AsInt32 = 300;
Test.Assert(() => n["testArray"][3].IsNumber);
Test.Assert(() => n["testArray"].Count == 4);
Test.Assert(() => !n["testArray"][100].Remove());
Test.Assert(() => !n["testArray"][100].Remove());
Test.Assert(() => n["testArray"].Count == 4);
Test.Assert(() => n["testArray"][1].Remove());
Test.Assert(() => n["testArray"].Count == 3);
}
object DeserializeObjectInternal(SLJsonNode node, SLJsonMemberType memberType, Type type, object value)
{
if (node != null)
{
switch (memberType)
{
case SLJsonMemberType.Value:
if (node.IsValue)
{
return(DeserializeValue(type, node));
}
break;
case SLJsonMemberType.ValueArray:
if (node.IsArray)
{
return(DeserializeArray(type, node, false));
}
break;
case SLJsonMemberType.Object:
if (node.IsObject)
{
return(DeserializeObject(type, node));
}
break;
case SLJsonMemberType.ObjectArray:
if (node.IsArray)
{
return(DeserializeArray(type, node, true));
}
break;
default:
throw new NotImplementedException();
}
}
return(value);
}
public static void RunExample4()
{
Console.WriteLine("Example 4");
Console.WriteLine("=========");
Console.WriteLine();
string s = @"
{
""options"": { ""logging"": true },
""sensors"": [
{ ""name"": ""Button"", ""value"": 1 },
{ ""name"": ""Temperature"", ""value"": 17.5 }
],
""actors"": [
{ ""name"": ""Lamp"", ""value"": 0 }
]
}";
/*
* Console.WriteLine(s.Trim());
* Console.WriteLine();
* //*/
var n = SLJsonNode.Parse(s);
Console.WriteLine("n.AsJsonCompact => " + n.AsJsonCompact);
Console.WriteLine();
Console.WriteLine("n[\"options\"].NodeType => " + n["options"].NodeType);
Console.WriteLine("n[\"options\"][\"logging\"] => " + n["options"]["logging"]);
Console.WriteLine("n[\"sensors\"].NodeType => " + n["sensors"].NodeType);
Console.WriteLine("n[\"sensors\"].Count => " + n["sensors"].Count);
Console.WriteLine("n[\"sensors\"][0][\"name\"] => " + n["sensors"][0]["name"]);
Console.WriteLine("n[\"sensors\"][1][\"value\"] => " + n["sensors"][1]["value"]);
Console.WriteLine("n[\"missing\"][33][\"foo\"] => " + n["missing"][33]["foo"]);
Console.WriteLine();
}
//------------------------------------------------------------------------
public static void RunExample4()
{
Console.WriteLine("Example 4");
Console.WriteLine("=========");
Console.WriteLine();
string s = @"
{
options: { logging: true },
sensors: [
{ name: 'Button', value: 1 },
{ name: 'Temperature', value: 17.5 }
],
actors: [
{ name: 'Lamp', value: 0 }
]
}";
/*
* Console.WriteLine(s.Trim());
* Console.WriteLine();
* //*/
SLJsonNode n = SLJsonParser.Parse(s);
Console.WriteLine("n.AsJsonCompact => " + n.AsJsonCompact);
Console.WriteLine();
Console.WriteLine("n[\"options\"].NodeType => " + n["options"].NodeType);
Console.WriteLine("n[\"options\"][\"logging\"] => " + n["options"]["logging"]);
Console.WriteLine("n[\"sensors\"].NodeType => " + n["sensors"].NodeType);
Console.WriteLine("n[\"sensors\"].Count => " + n["sensors"].Count);
Console.WriteLine("n[\"sensors\"][0][\"name\"] => " + n["sensors"][0]["name"]);
Console.WriteLine("n[\"sensors\"][1][\"value\"] => " + n["sensors"][1]["value"]);
Console.WriteLine("n[\"missing\"][33][\"foo\"] => " + n["missing"][33]["foo"]);
Console.WriteLine();
}
static void PrintNode(SLJsonNode node, int level)
{
if (level <= 0)
{
level = 1;
}
switch (node.NodeType)
{
case SLJsonNodeType.Array:
Console.WriteLine("(Array)");
foreach (SLJsonNode item in node)
{
Indent(level);
PrintNode(item, level + 1);
}
break;
case SLJsonNodeType.Object:
Console.WriteLine("(Object)");
foreach (string name in node.Names)
{
Indent(level);
Console.Write(name + " = ");
PrintNode(node[name], level + 1);
}
break;
case SLJsonNodeType.Boolean:
case SLJsonNodeType.Number:
case SLJsonNodeType.String:
Console.WriteLine(node.AsString + " (" + node.NodeType.ToString() + ")");
break;
default:
Console.WriteLine("(" + node.NodeType.ToString() + ")");
break;
}
}
public SLJsonNode this[int index]
{
get
{
if (index < 0)
{
throw new ArgumentOutOfRangeException("index");
}
if (m_Array != null && index < m_Array.Count)
{
return(GetArrayItem(index));
}
return(new SLJsonNode(this, index));
}
set
{
if (value == null)
{
value = new SLJsonNode();
}
else
{
if (value.m_Parent != null)
{
throw new ArgumentException("Node already in use", "value");
}
}
BeforeChange();
MakeArraySetItem(index, value);
value.AssignParent(this);
Activate();
}
}
//------------------------------------------------------------------------
SLJsonMonitor RetrieveMonitor()
{
SLJsonNode n = this;
do
{
if (n.m_Parent == null)
{
return(n.m_Monitor ?? m_DefaultMonitor);
}
#if DEBUG
if (n.m_Monitor != null)
{
throw new InvalidOperationException();
}
#endif
n = n.m_Parent;
}while(n != null);
return(m_DefaultMonitor);
}
void TestSerialization()
{
string s = RetrieveJsonExpression();
SLJsonNode n = SLJsonParser.Parse(s);
n["newProperty"]["value"].AsInt32 = 27;
Test.Assert(() => n["newProperty"]["value"].NodeType == SLJsonNodeType.Number);
Test.Assert(() => n["newProperty"]["value"].AsJson == "27");
Test.Assert(() => RemoveWhitespace(n["newProperty"].AsJson) == "{\"value\":27}");
n["newProperty"]["value"][0].AsInt32 = 100;
n["newProperty"]["value"][3].AsInt32 = 333;
Test.Assert(() => n["newProperty"]["value"].NodeType == SLJsonNodeType.Array);
Test.Assert(() => n["newProperty"].AsJsonCompact == "{\"value\":[100,null,null,333]}");
n["newProperty"]["value"].AsString = "Text";
Test.Assert(() => n["newProperty"]["value"].NodeType == SLJsonNodeType.String);
n["newProperty"]["value"].AsString = null;
Test.Assert(() => n["newProperty"]["value"].NodeType == SLJsonNodeType.Null);
Test.Assert(() => n["newProperty"]["value"].Remove());
Test.Assert(() => n["newProperty"]["value"].NodeType == SLJsonNodeType.Missing);
}
//------------------------------------------------------------------------
void TestReadOnly()
{
string s = RetrieveJsonExpression();
SLJsonNode n = SLJsonParser.Parse(s);
Test.Assert(() => n["person"]["firstName"].AsString == "Jane");
Test.Assert(() => n["person"]["lastName"].AsString == "Doe");
Test.Assert(() => n["person"]["zipCode"].AsString == "12345");
Test.Assert(() => !n["person"]["street"].IsReadOnly);
SLJsonMonitor m = n.CreateMonitor();
Test.Assert(() => !m.IsModified);
Test.Assert(() => !m.IsReadOnly);
m.IsReadOnly = true;
Test.Assert(() => n["person"]["street"].IsReadOnly);
Test.Assert(() => n["test"]["emptyArray"].IsArray);
Test.Assert(() => n["test"]["emptyArray"].Count == 0);
Test.Assert(() => n["test"]["emptyObject"].IsObject);
Test.Assert(() => n["test"]["emptyObject"].Count == 0);
Test.Assert(() => n["test"]["testArray"].IsArray);
Test.Assert(() => n["test"]["testArray"].Count == 4);
Test.Assert(() => n["test"]["testArray"][0].AsInt32 == 10);
Test.Assert(() => n["test"]["testArray"][1].AsInt32 == 20);
Test.Assert(() => n["test"]["testArray"][2].AsInt32 == 30);
Test.Assert(() => n["test"]["testArray"][3].AsInt32 == 40);
Test.Assert(() => n["test"]["testArray"][4].AsInt32 == 0); // Access to missing entry
Test.Assert(() => !n["test"]["testArray"][4].IsValue); // Check missing entry
Test.Assert(() => n["test"]["testArray"].Count == 4); // Check count again
Test.Assert(() => n["test"]["testObject"].NodeType == SLJsonNodeType.Object);
Test.Assert(() => n["test"]["testObject"].Count == 2);
Test.Assert(() => n["test"]["testObject"].AsString == null);
Test.Assert(() => n["test"]["testValueMissing__"].NodeType == SLJsonNodeType.Missing);
Test.Assert(() => !n["test"]["testValueMissing__"].AsBoolean);
Test.Assert(() => n["test"]["testValueMissing__"].AsInt32 == 0);
Test.Assert(() => n["test"]["testValueMissing__"].AsString == null);
Test.Assert(() => n["test"]["testValueNull"].NodeType == SLJsonNodeType.Null);
Test.Assert(() => !n["test"]["testValueNull"].AsBoolean);
Test.Assert(() => n["test"]["testValueNull"].AsInt32 == 0);
Test.Assert(() => n["test"]["testValueNull"].AsString == null);
Test.Assert(() => n["test"]["testValueTrue"].NodeType == SLJsonNodeType.Boolean);
Test.Assert(() => n["test"]["testValueTrue"].AsBoolean);
Test.Assert(() => n["test"]["testValueTrue"].AsInt32 == 0);
Test.Assert(() => n["test"]["testValueTrue"].AsString == "true");
Test.Assert(() => n["test"]["testValue32"].NodeType == SLJsonNodeType.Number);
Test.Assert(() => n["test"]["testValue32"].AsInt32 == 256);
Test.Assert(() => n["test"]["testValue32"].AsString == "+256");
Test.Assert(() => n["test"]["testValueString1"].NodeType == SLJsonNodeType.String);
Test.Assert(() => n["test"]["testValueString1"].AsString == "abc 'def' ghi");
Test.Assert(() => n["test"]["testValueString2"].NodeType == SLJsonNodeType.String);
Test.Assert(() => n["test"]["testValueString2"].AsString == "ABC 'DEF' GHI");
Test.Assert(() => n["test"]["testValueString3"].NodeType == SLJsonNodeType.String);
Test.Assert(() => n["test"]["testValueString3"].AsString == "First Line\r\nSecond Line\r\nThird Line\0");
// .NET MF seems to work internally with zero-terminated strings. As a result the test case fails.
if ("123\0".Length == 4)
{
Test.Assert(() => n["test"]["testValueString3"].AsJsonCompact == @"""First Line\r\nSecond Line\r\nThird Line\u0000""");
}
Test.Assert(() => !m.IsModified);
Test.Assert(() => m.IsReadOnly);
}
object DeserializeArray(Type type, SLJsonNode array, bool asObject)
{
int c = array.Count;
Type elemType;
Array resArray;
IList resList;
if (type.IsArray)
{
if (type.GetArrayRank() != 1)
{
throw new NotSupportedException("Multi-dimensional arrays are not supported");
}
elemType = type.GetElementType();
resArray = Array.CreateInstance(elemType, c);
resList = null;
}
else
{
Type[] args = type.GetGenericArguments();
elemType = args.Length == 1 ? args[0] : null;
if (elemType == null || !typeof(List <>).MakeGenericType(elemType).GetTypeInfo().IsAssignableFrom(type.GetTypeInfo()))
{
throw new NotSupportedException("Type " + type.FullName + " is neither an array nor a List<>");
}
resList = (IList)Activator.CreateInstance(type);
resArray = null;
}
object defaultValue = null;
if (!asObject && !elemType.GetTypeInfo().IsClass)
{
defaultValue = Activator.CreateInstance(elemType);
}
for (int i = 0; i < c; i++)
{
object v = defaultValue;
SLJsonNode n = array[i];
if (n != null)
{
if (asObject)
{
if (n.IsObject)
{
v = DeserializeObject(elemType, n);
}
}
else
{
if (n.IsValue)
{
v = DeserializeValue(elemType, n);
}
}
}
if (resArray != null)
{
resArray.SetValue(v, i);
}
else
{
resList.Add(v);
}
}
return(resArray ?? resList);
}
SLJsonNode(SLJsonNode parent)
{
m_NodeType = SLJsonNodeType.Null; m_Parent = parent;
}
SLJsonNode(SLJsonNode parent, string name)
{
m_NodeType = SLJsonNodeType.Missing; m_Parent = parent; m_Name = name;
}
} // Used by the parser
SLJsonNode(SLJsonNode parent, int index)
{
m_NodeType = SLJsonNodeType.Missing; m_Parent = parent; m_Index = index;
}
internal void AssignParent(SLJsonNode parent)
{
m_Parent = parent;
} // Used by the parser and by the setters of the indexer properties
object DeserializeValue(Type type, SLJsonNode value)
{
return(ParseValue(type, value.AsString));
}
public T Deserialize <T>(string jsonExpression) where T : new()
{
SLJsonNode n = SLJsonParser.Parse(jsonExpression);
return(Deserialize <T>(n));
}