mirror of
https://github.com/MCCTeam/Minecraft-Console-Client
synced 2025-10-14 21:22:49 +00:00
306 lines
13 KiB
C#
306 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace MinecraftClient
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{
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/// <summary>
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/// This class parses JSON chat data from MC 1.6+ and returns the appropriate string to be printed.
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/// </summary>
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static class ChatParser
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{
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/// <summary>
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/// The main function to convert text from MC 1.6+ JSON to MC 1.5.2 formatted text
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/// </summary>
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/// <param name="json">JSON serialized text</param>
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/// <returns>Returns the translated text</returns>
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public static string ParseText(string json)
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{
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int cursorpos = 0;
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JSONData jsonData = String2Data(json, ref cursorpos);
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return JSONData2String(jsonData).Replace("u0027", "'");
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}
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/// <summary>
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/// An internal class to store unserialized JSON data
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/// The data can be an object, an array or a string
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/// </summary>
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private class JSONData
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{
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public enum DataType { Object, Array, String };
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private DataType type;
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public DataType Type { get { return type; } }
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public Dictionary<string, JSONData> Properties;
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public List<JSONData> DataArray;
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public string StringValue;
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public JSONData(DataType datatype)
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{
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type = datatype;
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Properties = new Dictionary<string, JSONData>();
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DataArray = new List<JSONData>();
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StringValue = String.Empty;
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}
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}
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/// <summary>
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/// Get the classic color tag corresponding to a color name
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/// </summary>
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/// <param name="colorname">Color Name</param>
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/// <returns>Color code</returns>
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private static string color2tag(string colorname)
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{
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switch (colorname.ToLower())
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{
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case "black": return "§0";
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case "dark_blue": return "§1";
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case "dark_green": return "§2";
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case "dark_cyan": return "§3";
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case "dark_cyanred": return "§4";
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case "dark_magenta": return "§5";
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case "dark_yellow": return "§6";
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case "gray": return "§7";
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case "dark_gray": return "§8";
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case "blue": return "§9";
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case "green": return "§a";
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case "cyan": return "§b";
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case "red": return "§c";
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case "magenta": return "§d";
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case "yellow": return "§e";
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case "white": return "§f";
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default: return "";
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}
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}
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/// <summary>
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/// Rules for text translation
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/// </summary>
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private static bool init = false;
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private static Dictionary<string, string> TranslationRules = new Dictionary<string, string>();
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public static void InitTranslations() { if (!init) { InitRules(); init = true; } }
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private static void InitRules()
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{
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//Small default dictionnary of translation rules
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TranslationRules["chat.type.admin"] = "[%s: %s]";
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TranslationRules["chat.type.announcement"] = "§d[%s] %s";
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TranslationRules["chat.type.emote"] = " * %s %s";
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TranslationRules["chat.type.text"] = "<%s> %s";
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TranslationRules["multiplayer.player.joined"] = "§e%s joined the game.";
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TranslationRules["multiplayer.player.left"] = "§e%s left the game.";
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TranslationRules["commands.message.display.incoming"] = "§7%s whispers to you: %s";
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TranslationRules["commands.message.display.outgoing"] = "§7You whisper to %s: %s";
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//Load an external dictionnary of translation rules
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if (System.IO.File.Exists("translations.lang"))
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{
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string[] translations = System.IO.File.ReadAllLines("translations.lang");
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foreach (string line in translations)
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{
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if (line.Length > 0)
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{
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string[] splitted = line.Split('=');
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if (splitted.Length == 2)
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{
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TranslationRules[splitted[0]] = splitted[1];
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}
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}
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}
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Console.ForegroundColor = ConsoleColor.DarkGray;
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ConsoleIO.WriteLine("Translations file loaded.");
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Console.ForegroundColor = ConsoleColor.Gray;
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}
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else //No external dictionnary found.
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{
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Console.ForegroundColor = ConsoleColor.DarkGray;
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ConsoleIO.WriteLine("MC 1.6+ warning: Translations file \"translations.lang\" not found."
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+ "\nYou can pick a translation file from .minecraft\\assets\\lang\\"
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+ "\nCopy to the same folder as MinecraftClient & rename to \"translations.lang\""
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+ "\nSome messages won't be properly printed without this file.");
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Console.ForegroundColor = ConsoleColor.Gray;
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}
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}
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/// <summary>
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/// Format text using a specific formatting rule.
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/// Example : * %s %s + ["ORelio", "is doing something"] = * ORelio is doing something
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/// </summary>
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/// <param name="rulename">Name of the rule, chosen by the server</param>
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/// <param name="using_data">Data to be used in the rule</param>
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/// <returns>Returns the formatted text according to the given data</returns>
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private static string TranslateString(string rulename, List<string> using_data)
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{
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if (!init) { InitRules(); init = true; }
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if (TranslationRules.ContainsKey(rulename))
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{
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if ((TranslationRules[rulename].IndexOf("%1$s") >= 0 && TranslationRules[rulename].IndexOf("%2$s") >= 0)
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&& (TranslationRules[rulename].IndexOf("%1$s") > TranslationRules[rulename].IndexOf("%2$s")))
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{
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while (using_data.Count < 2) { using_data.Add(""); }
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string tmp = using_data[0];
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using_data[0] = using_data[1];
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using_data[1] = tmp;
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}
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string[] syntax = TranslationRules[rulename].Split(new string[] { "%s", "%d", "%1$s", "%2$s" }, StringSplitOptions.None);
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while (using_data.Count < syntax.Length - 1) { using_data.Add(""); }
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string[] using_array = using_data.ToArray();
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string translated = "";
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for (int i = 0; i < syntax.Length - 1; i++)
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{
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translated += syntax[i];
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translated += using_array[i];
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}
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translated += syntax[syntax.Length - 1];
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return translated;
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}
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else return "[" + rulename + "] " + String.Join(" ", using_data);
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}
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/// <summary>
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/// Parse a JSON string to build a JSON object
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/// </summary>
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/// <param name="toparse">String to parse</param>
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/// <param name="cursorpos">Cursor start (set to 0 for function init)</param>
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/// <returns></returns>
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private static JSONData String2Data(string toparse, ref int cursorpos)
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{
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try
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{
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JSONData data;
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switch (toparse[cursorpos])
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{
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//Object
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case '{':
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data = new JSONData(JSONData.DataType.Object);
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cursorpos++;
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while (toparse[cursorpos] != '}')
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{
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if (toparse[cursorpos] == '"')
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{
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JSONData propertyname = String2Data(toparse, ref cursorpos);
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if (toparse[cursorpos] == ':') { cursorpos++; } else { /* parse error ? */ }
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JSONData propertyData = String2Data(toparse, ref cursorpos);
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data.Properties[propertyname.StringValue] = propertyData;
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}
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else cursorpos++;
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}
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cursorpos++;
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break;
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//Array
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case '[':
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data = new JSONData(JSONData.DataType.Array);
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cursorpos++;
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while (toparse[cursorpos] != ']')
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{
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if (toparse[cursorpos] == ',') { cursorpos++; }
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JSONData arrayItem = String2Data(toparse, ref cursorpos);
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data.DataArray.Add(arrayItem);
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}
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cursorpos++;
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break;
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//String
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case '"':
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data = new JSONData(JSONData.DataType.String);
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cursorpos++;
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while (toparse[cursorpos] != '"')
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{
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if (toparse[cursorpos] == '\\') { cursorpos++; }
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data.StringValue += toparse[cursorpos];
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cursorpos++;
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}
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cursorpos++;
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break;
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//Boolean : true
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case 't':
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data = new JSONData(JSONData.DataType.String);
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cursorpos++;
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if (toparse[cursorpos] == 'r') { cursorpos++; }
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if (toparse[cursorpos] == 'u') { cursorpos++; }
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if (toparse[cursorpos] == 'e') { cursorpos++; data.StringValue = "true"; }
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break;
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//Boolean : false
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case 'f':
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data = new JSONData(JSONData.DataType.String);
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cursorpos++;
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if (toparse[cursorpos] == 'a') { cursorpos++; }
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if (toparse[cursorpos] == 'l') { cursorpos++; }
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if (toparse[cursorpos] == 's') { cursorpos++; }
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if (toparse[cursorpos] == 'e') { cursorpos++; data.StringValue = "false"; }
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break;
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//Unknown data
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default:
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cursorpos++;
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return String2Data(toparse, ref cursorpos);
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}
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return data;
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}
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catch (IndexOutOfRangeException)
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{
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return new JSONData(JSONData.DataType.String);
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}
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}
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/// <summary>
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/// Use a JSON Object to build the corresponding string
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/// </summary>
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/// <param name="data">JSON object to convert</param>
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/// <returns>returns the Minecraft-formatted string</returns>
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private static string JSONData2String(JSONData data)
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{
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string colorcode = "";
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switch (data.Type)
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{
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case JSONData.DataType.Object:
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if (data.Properties.ContainsKey("color"))
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{
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colorcode = color2tag(JSONData2String(data.Properties["color"]));
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}
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if (data.Properties.ContainsKey("text"))
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{
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return colorcode + JSONData2String(data.Properties["text"]) + colorcode;
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}
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else if (data.Properties.ContainsKey("translate"))
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{
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List<string> using_data = new List<string>();
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if (data.Properties.ContainsKey("using"))
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{
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JSONData[] array = data.Properties["using"].DataArray.ToArray();
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for (int i = 0; i < array.Length; i++)
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{
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using_data.Add(JSONData2String(array[i]));
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}
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}
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return colorcode + TranslateString(JSONData2String(data.Properties["translate"]), using_data) + colorcode;
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}
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else return "";
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case JSONData.DataType.Array:
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string result = "";
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foreach (JSONData item in data.DataArray)
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{
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result += JSONData2String(item);
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}
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return result;
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case JSONData.DataType.String:
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return data.StringValue;
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}
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return "";
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}
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}
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}
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