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// 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) {}
}
}
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