1 files changed, 132 insertions, 0 deletions
diff --git a/tools/Sandcastle/Source/BuildAssembler/BuildComponents/HxfGeneratorComponent.cs b/tools/Sandcastle/Source/BuildAssembler/BuildComponents/HxfGeneratorComponent.cs
new file mode 100644
index 0000000..176ce97
--- /dev/null
+++ b/tools/Sandcastle/Source/BuildAssembler/BuildComponents/HxfGeneratorComponent.cs
@@ -0,0 +1,132 @@
+// Copyright © Microsoft Corporation.
+// This source file is subject to the Microsoft Permissive License.
+// See http://www.microsoft.com/resources/sharedsource/licensingbasics/sharedsourcelicenses.mspx.
+// All other rights reserved.
+
+using System;
+using System.IO;
+using System.Text;
+using System.Xml;
+using System.Xml.XPath;
+using System.Collections.Generic;
+
+namespace Microsoft.Ddue.Tools {
+
+    public class FileCreatedEventArgs : EventArgs {
+
+        private string filePath;
+        private string hxfPath;
+        
+        public FileCreatedEventArgs(string filePath, string hxfPath) {
+            this.filePath = filePath;
+            this.hxfPath = hxfPath;
+        }
+
+        public string FilePath {
+            get {
+                return(filePath);
+            }
+        }
+
+        public string HxfPath {
+            get {
+                return (hxfPath);
+            }
+        }
+
+    }
+
+    public class HxfGeneratorComponent : BuildComponent {
+
+        public HxfGeneratorComponent (BuildAssembler assembler, XPathNavigator configuration) : base(assembler, configuration) {
+
+            // get configuration data
+            inputValue = configuration.GetAttribute("input", String.Empty);
+            if (!String.IsNullOrEmpty(inputValue)) inputValue = Environment.ExpandEnvironmentVariables(inputValue);
+            outputValue = configuration.GetAttribute("output", String.Empty);
+            if (!String.IsNullOrEmpty(outputValue)) outputValue = Environment.ExpandEnvironmentVariables(outputValue);
+           
+            // subscribe to component events
+            assembler.ComponentEvent += new EventHandler(FileCreatedHandler);
+        }
+
+        private string inputValue;
+
+        private string outputValue;
+
+        private XmlWriter writer;
+
+        private Dictionary<string, XmlWriter> writers = new Dictionary<string, XmlWriter>();
+
+        private void FileCreatedHandler (Object o, EventArgs e) {
+            FileCreatedEventArgs fe = e as FileCreatedEventArgs;
+            if (fe == null) return;
+            
+            string path = Path.Combine(fe.HxfPath, outputValue).ToLower();
+           
+            XmlWriter tempWriter;
+            if (!writers.TryGetValue(path, out tempWriter)) {
+                if (writer != null) {
+                    writer.WriteEndDocument();
+                    writer.Close();
+                }
+                WriteFile(path);
+            }
+            
+            WriteFileElement(fe.FilePath);
+                       
+        }
+
+        private void WriteFileElement (string url) {
+            writer.WriteStartElement("File");
+            writer.WriteAttributeString("Url", url);
+            writer.WriteEndElement();
+        }
+
+        protected override void Dispose(bool disposing) {
+            if (disposing) {
+                writer.WriteEndDocument();
+                writer.Close();
+            }
+            base.Dispose(disposing);
+        }
+
+        public void WriteFile(string path) {
+            XmlWriterSettings writerSettings = new XmlWriterSettings();
+            writerSettings.Indent = true;
+            writer = XmlWriter.Create(path);
+            writer.WriteStartDocument();
+            writer.WriteStartElement("HelpFileList");
+            writer.WriteAttributeString("DTDVersion", "1.0");
+
+            // use the input to seed the output
+            if (!String.IsNullOrEmpty(inputValue)) {
+
+                try {
+                    TextReader reader = File.OpenText(inputValue);
+
+                    try {
+                        while (true) {
+                            string line = reader.ReadLine();
+                            if (line == null) break;
+                            WriteFileElement(line);
+                        }
+                    }
+                    finally {
+                        reader.Close();
+                    }
+                }
+                catch (IOException ex) {
+                    WriteMessage(MessageLevel.Error, String.Format("An access error occured while attempting to copy the input HxF data. The error message is:", ex.Message));
+                }
+            }
+
+            writers.Add(path, writer);
+        }
+
+        // don't do anything for individual files
+        public override void Apply (XmlDocument document, string key) {}
+
+    }
+
+}
+\ No newline at end of file