Use custom json serialization

This commit is contained in:
Frank A. Krueger 2018-03-02 23:44:28 -08:00
parent 961fc34b4d
commit 0ada0c7497
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2 changed files with 168 additions and 0 deletions

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@ -35,6 +35,122 @@ namespace Ooui
Key = eventType,
Value = value,
};
static void WriteJsonString (System.IO.TextWriter w, string s)
{
w.Write ('\"');
for (var i = 0; i < s.Length; i++) {
var c = s[0];
if (c == '\r') {
w.Write ("\\r");
}
else if (c == '\n') {
w.Write ("\\n");
}
else if (c == '\t') {
w.Write ("\\t");
}
else if (c == '\b') {
w.Write ("\\b");
}
else if (c == '\\') {
w.Write ("\\");
}
else {
w.Write (c);
}
}
w.Write ('\"');
}
static void WriteJsonValue (System.IO.TextWriter w, object value)
{
if (value == null) {
w.Write ("null");
return;
}
var s = value as string;
if (s != null) {
WriteJsonString (w, s);
return;
}
var a = value as Array;
if (a != null) {
w.Write ('[');
var head = "";
foreach (var o in a) {
w.Write (head);
WriteJsonValue (w, o);
head = ",";
}
w.Write (']');
return;
}
var e = value as EventTarget;
if (e != null) {
w.Write ('\"');
w.Write (e.Id);
w.Write ('\"');
return;
}
if (value is Color) {
WriteJsonString (w, ((Color)value).ToString ());
return;
}
var icult = System.Globalization.CultureInfo.InvariantCulture;
if (value is double) {
w.Write (((double)value).ToString (icult));
}
if (value is int) {
w.Write (((int)value).ToString (icult));
}
if (value is float) {
w.Write (((float)value).ToString (icult));
}
WriteJsonString (w, Convert.ToString (value, icult));
}
public void WriteJson (System.IO.TextWriter w)
{
w.Write ('{');
switch (MessageType) {
case MessageType.Call: w.Write ("\"m\":\"call\",\"id\":\""); break;
case MessageType.Create: w.Write ("\"m\":\"create\",\"id\":\""); break;
case MessageType.Event: w.Write ("\"m\":\"event\",\"id\":\""); break;
case MessageType.Listen: w.Write ("\"m\":\"listen\",\"id\":\""); break;
case MessageType.Nop: w.Write ("\"m\":\"nop\",\"id\":\""); break;
case MessageType.RemoveAttribute: w.Write ("\"m\":\"remAttr\",\"id\":\""); break;
case MessageType.Set: w.Write ("\"m\":\"set\",\"id\":\""); break;
case MessageType.SetAttribute: w.Write ("\"m\":\"setAttr\",\"id\":\""); break;
}
w.Write (TargetId);
w.Write ("\",\"k\":\"");
w.Write (Key);
if (Value != null) {
w.Write ("\",\"v\":");
WriteJsonValue (w, Value);
w.Write ('}');
}
else {
w.Write ("\"}");
}
}
public string ToJson ()
{
using (var sw = new System.IO.StringWriter ()) {
WriteJson (sw);
return sw.ToString ();
}
}
}
[JsonConverter (typeof (StringEnumConverter))]

52
Tests/JsonTests.cs Normal file
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@ -0,0 +1,52 @@
using System;
#if NUNIT
using NUnit.Framework;
using TestClassAttribute = NUnit.Framework.TestFixtureAttribute;
using TestMethodAttribute = NUnit.Framework.TestCaseAttribute;
#else
using Microsoft.VisualStudio.TestTools.UnitTesting;
#endif
using Ooui;
using System.IO;
using System.Text.RegularExpressions;
namespace Tests
{
[TestClass]
public class JsonTests
{
static readonly Regex noid = new Regex ("⦙\\d+");
static string NoId (string s)
{
return noid.Replace (s, "⦙");
}
[TestMethod]
public void ButtonIndividualMessages ()
{
var b = new Button ();
b.Text = "Hello";
b.Click += (sender, e) => { };
Assert.AreEqual ("{\"m\":\"create\",\"id\":\"⦙\",\"k\":\"button\"}", NoId (b.StateMessages[0].ToJson ()));
Assert.AreEqual ("{\"m\":\"call\",\"id\":\"⦙\",\"k\":\"insertBefore\",\"v\":[\"⦙\",null]}", NoId (b.StateMessages[1].ToJson ()));
Assert.AreEqual ("{\"m\":\"listen\",\"id\":\"⦙\",\"k\":\"click\"}", NoId (b.StateMessages[2].ToJson ()));
}
[TestMethod]
public void ButtonWriteMessages ()
{
var b = new Button ();
b.Text = "Hello";
b.Click += (sender, e) => { };
var sw = new StringWriter ();
foreach (var m in b.StateMessages) {
m.WriteJson (sw);
}
Assert.AreEqual ("{\"m\":\"create\",\"id\":\"⦙\",\"k\":\"button\"}" +
"{\"m\":\"call\",\"id\":\"⦙\",\"k\":\"insertBefore\",\"v\":[\"⦙\",null]}" +
"{\"m\":\"listen\",\"id\":\"⦙\",\"k\":\"click\"}", NoId (sw.ToString ()));
}
}
}