MulAvailable

StgSharp.Model/Step/Analyser/StepDataSectionsTranmitter.cs

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+//-----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+// file="StepDataSectionsTranmitter"
+// Project: StgSharp
+// AuthorGroup: Nitload Space
+// Copyright (c) Nitload Space. All rights reserved.
+//     
+// 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.
+//     
+// -----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+using StgSharp.Script;
+
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.Model.Step
+{
+    public class StepDataSectionTransmitter : IScriptSourceProvider
+    {
+
+        private const string EndDataText = "ENDSEC;";
+
+        // private bool _isEmpty;
+        private ConcurrentQueue<string> _cache = new ConcurrentQueue<string>();
+        private int _line = 0;
+
+        public StepDataSectionTransmitter() { }
+
+        public StepDataSectionTransmitter(int begins)
+        {
+            Begin = begins;
+            _line = Begin;
+        }
+
+        public bool IsEmpty => _cache.IsEmpty && !IsWriting;
+
+        public bool IsWriting { get; private set; } = true;
+
+        public int Begin { get; internal set; }
+
+        public int Location => _line;
+
+        public void EndWriting()
+        {
+            IsWriting = false;
+        }
+
+        public string ReadLine()
+        {
+            if (_cache.TryDequeue(out string? line))
+            {
+                _line++;
+                return line;
+            }
+            return string.Empty;
+        }
+
+        public string ReadLine(out int position)
+        {
+            string ret = ReadLine();
+            position = _line;
+            return ret;
+        }
+
+        public void WriteLine(string line)
+        {
+            if (line == "DATA;") {
+                return;
+            }
+            if (line == EndDataText)
+            {
+                EndWriting();
+                return;
+            }
+            if (IsWriting) {
+                _cache.Enqueue(line);
+            }
+        }
+
+        IScriptSourceProvider IScriptSourceProvider.Slice(int location, int count)
+        {
+            throw new NotSupportedException();
+        }
+
+    }
+}