Ooui-tws-port/Ooui/Message.cs

180 lines
5.3 KiB
C#

using System;
using System.Runtime.Serialization;
using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
namespace Ooui
{
public class Message
{
[JsonProperty("m")]
public MessageType MessageType = MessageType.Nop;
[JsonProperty("id")]
public string TargetId = "";
[JsonProperty("k")]
public string Key = "";
[JsonProperty("v", NullValueHandling = NullValueHandling.Ignore)]
public object Value = null;
[JsonProperty("rid", NullValueHandling = NullValueHandling.Ignore)]
public string ResultId = null;
public static Message Call (string targetId, string method, params object[] args) => new Message {
MessageType = MessageType.Call,
TargetId = targetId,
Key = method,
Value = args,
};
public static Message Event (string targetId, string eventType, object value = null) => new Message {
MessageType = MessageType.Event,
TargetId = targetId,
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[i];
if (c == '\"') {
w.Write ("\\\"");
}
else 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))]
public enum MessageType
{
[EnumMember(Value = "nop")]
Nop,
[EnumMember(Value = "create")]
Create,
[EnumMember(Value = "set")]
Set,
[EnumMember (Value = "setAttr")]
SetAttribute,
[EnumMember(Value = "remAttr")]
RemoveAttribute,
[EnumMember(Value = "call")]
Call,
[EnumMember(Value = "listen")]
Listen,
[EnumMember(Value = "event")]
Event,
}
}