Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Data.SqlXml/System/Xml/Xsl/XsltOld/TextOnlyOutput.cs

@@ -0,0 +1,76 @@
+//------------------------------------------------------------------------------
+// <copyright file="TextOnlyOutput.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+// <owner current="true" primary="true">[....]</owner>
+//------------------------------------------------------------------------------
+
+namespace System.Xml.Xsl.XsltOld {
+    using Res = System.Xml.Utils.Res;
+    using System;
+    using System.IO;
+    using System.Xml;
+    using System.Xml.XPath;
+    using System.Text;
+    using System.Collections;
+
+    internal class TextOnlyOutput : RecordOutput {
+        private     Processor  processor;
+        private     TextWriter writer;
+
+        internal XsltOutput Output {
+            get { return this.processor.Output; }
+        }
+
+		public TextWriter Writer {
+			get { return this.writer; }
+		}
+
+        //
+        // Constructor
+        //
+
+        internal TextOnlyOutput(Processor processor, Stream stream) {
+            if (stream == null) {
+                throw new ArgumentNullException("stream");
+            }
+
+            this.processor  = processor;
+            this.writer     = new StreamWriter(stream, Output.Encoding);
+        }
+
+        internal TextOnlyOutput(Processor processor, TextWriter writer) {
+            if (writer == null) {
+                throw new ArgumentNullException("writer");
+            }
+
+            this.processor  = processor;
+            this.writer     = writer;
+        }
+
+        //
+        // RecordOutput interface method implementation
+        //
+
+        public Processor.OutputResult RecordDone(RecordBuilder record) {
+            BuilderInfo mainNode       = record.MainNode;
+
+            switch (mainNode.NodeType) {
+            case XmlNodeType.Text:
+            case XmlNodeType.Whitespace:
+            case XmlNodeType.SignificantWhitespace:
+                this.writer.Write(mainNode.Value);
+                break;
+            default:
+                break;
+            }
+
+            record.Reset();
+            return Processor.OutputResult.Continue;
+        }
+
+        public void TheEnd() {
+            this.writer.Flush();
+        }
+    }
+}