[+] Adicionado leitura de informações da impressora para o protocolo EscBema e EscElgin, não foi possivel testar não tenho impressora.

Author: rftd

src/OpenAC.Net.EscPos/Interpreter/Bematech/BemaInfoImpressoraResolver.cs

@@ -0,0 +1,60 @@
+// ***********************************************************************
+// Assembly         : OpenAC.Net.EscPos
+// Author           : Rafael Dias
+// Created          : 17-03-2022
+//
+// Last Modified By : Rafael Dias
+// Last Modified On : 17-03-2022
+// ***********************************************************************
+// <copyright file="BemaInfoImpressoraResolver.cs" company="OpenAC .Net">
+//		        		   The MIT License (MIT)
+//	     		    Copyright (c) 2014 - 2021 Projeto OpenAC .Net
+//
+//	 Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//	 The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//	 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+// </copyright>
+// <summary></summary>
+// ***********************************************************************
+
+using System;
+using System.Text;
+using OpenAC.Net.Core.Extensions;
+using OpenAC.Net.EscPos.Commom;
+using OpenAC.Net.EscPos.Interpreter.Resolver;
+
+namespace OpenAC.Net.EscPos.Interpreter.Bematech;
+
+public sealed class BemaInfoImpressoraResolver : InfoResolver<InformacoesImpressora>
+{
+    public BemaInfoImpressoraResolver(Encoding encoding) :
+        base(new[] { new byte[] { CmdConst.GS, 249, 39, 0 }, new byte[] { CmdConst.GS, 249, 39, 3 }, new byte[] { CmdConst.GS, 249, 1 }, new byte[] { CmdConst.GS, 249, 39, 49 } },
+            (dados) =>
+            {
+                if (dados.IsNullOrEmpty()) return InformacoesImpressora.Empty;
+                if (dados.Length < 4) return InformacoesImpressora.Empty;
+
+                var bitTest = new Func<int, byte, bool>((value, index) => ((value >> index) & 1) == 1);
+
+                var fabricante = string.Empty;
+                var modelo = dados[0].IsNullOrEmpty() ? "" : encoding.GetString(dados[0]).Trim().TrimStart('_').Replace("\0", string.Empty);
+                var firmware = dados[1].IsNullOrEmpty() ? "" : encoding.GetString(dados[1]).Trim().TrimStart('_').Replace("\0", string.Empty);
+                var serial = dados[2].IsNullOrEmpty() ? "" : encoding.GetString(dados[2]).Trim().TrimStart('_').Replace("\0", string.Empty);
+                var guilhotina = !dados[3].IsNullOrEmpty() && dados[3].Length >= 3 && bitTest(dados[3][2], 2);
+
+                return new InformacoesImpressora(fabricante, modelo, firmware, serial, guilhotina);
+            })
+    { }
+}

src/OpenAC.Net.EscPos/Interpreter/Bematech/BematechInterpreter.cs

@@ -54,6 +54,7 @@ internal BematechInterpreter(Encoding enconder) : base(enconder)
         protected override void IniciarInterpreter()
         {
             Status = new BematechStatusResolver();
+            InfoImpressora = new BemaInfoImpressoraResolver(Enconder);
 
             CommandResolver.AddResolver<CodePageCommand, BemaCodePageResolver>(new BemaCodePageResolver(DefaultCommands.EscBema));
             CommandResolver.AddResolver<TextCommand, DefaultTextResolver>(new DefaultTextResolver(Enconder, DefaultCommands.EscBema));

src/OpenAC.Net.EscPos/Interpreter/Elgin/ElginInterpreter.cs

@@ -51,6 +51,7 @@ internal ElginInterpreter(Encoding enconder) : base(enconder)
         protected override void IniciarInterpreter()
         {
             Status = new ElginStatusResolver();
+            InfoImpressora = new BemaInfoImpressoraResolver(Enconder);
 
             // Default
             CommandResolver.AddResolver<TextCommand, DefaultTextResolver>(new DefaultTextResolver(Enconder, DefaultCommands.EscBema));