Example #1
0
        public void DoCompare(string file1, string file2)
        {
            try
            {
                MainProBar.Visible = true;
                MainProBar.Minimum = 1;
                MainProBar.Maximum = 18;
                MainProBar.Value   = 6;
                MainProBar.Step    = 1;
                MainProBar.PerformStep();

                //Convert HL7 to XML
                System.IO.StreamReader InputFile = new System.IO.StreamReader(file1);
                string InputHL7 = InputFile.ReadToEnd();
                InputFile.Close();
                InputHL7 = InputHL7.Replace((Char)127, (Char)13);

                String InputHL7asXml         = HL7ToXmlConverter.ConvertToXml(InputHL7, "");
                string myTempFile1           = Path.Combine(Path.GetTempPath(), "Input.xml");
                System.IO.StreamWriter fileI = new System.IO.StreamWriter(myTempFile1);
                fileI.WriteLine(InputHL7asXml);
                fileI.Close();
                file1 = myTempFile1;

                MainProBar.PerformStep();

                System.IO.StreamReader OutputFile = new System.IO.StreamReader(file2);
                string OutputHL7 = OutputFile.ReadToEnd();
                OutputFile.Close();
                OutputHL7 = OutputHL7.Replace((Char)127, (Char)13);

                String OutputHL7asXml        = HL7ToXmlConverter.ConvertToXml(OutputHL7, "");
                string myTempFile2           = Path.Combine(Path.GetTempPath(), "Output.xml");
                System.IO.StreamWriter fileO = new System.IO.StreamWriter(myTempFile2);
                fileO.WriteLine(OutputHL7asXml);
                fileO.Close();
                file2 = myTempFile2;

                MainProBar.PerformStep();

                string startupPath = Application.StartupPath;
                //output diff file.

                diffFile = startupPath + Path.DirectorySeparatorChar + "vxd.out";
                XmlTextWriter tw = new XmlTextWriter(new StreamWriter(diffFile));
                tw.Formatting = Formatting.Indented;

                MainProBar.PerformStep();

                //This method sets the diff.Options property.
                SetDiffOptions();

                bool isEqual = false;

                //Now compare the two files.
                try
                {
                    isEqual = diff.Compare(file1, file2, compareFragments, tw);
                }
                catch (XmlException xe)
                {
                    xe.StackTrace.ToString();
                    //MessageBox.Show("An exception occured while comparing\n" + xe.StackTrace);
                }
                finally
                {
                    tw.Close();
                }

                MainProBar.PerformStep();

                if (isEqual)
                {
                    //This means the files were identical for given options.
                    MessageBox.Show("Files Identical for the given options");
                    MainProBar.Value = 1;
                    return; //dont need to show the differences.
                }

                MainProBar.PerformStep();
                //Files were not equal, so construct XmlDiffView.
                XmlDiffView dv = new XmlDiffView();

                //Load the original file again and the diff file.
                XmlTextReader orig     = new XmlTextReader(file1);
                XmlTextReader diffGram = new XmlTextReader(diffFile);
                dv.Load(orig,
                        diffGram);

                MainProBar.PerformStep();

                //Wrap the HTML file with necessary html and
                //body tags and prepare it before passing it to the GetHtml method.

                string       tempFile = startupPath + Path.DirectorySeparatorChar + "Compare_" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".htm";
                StreamWriter sw1      = new StreamWriter(tempFile);

                MainProBar.PerformStep();

                sw1.Write("<html><body><table width='100%'>");
                //Write Legend.
                sw1.Write("<tr><td colspan='2' align='center'><b>Legend:</b> <font style='background-color: yellow'" +
                          " color='black'>added</font>&nbsp;&nbsp;<font style='background-color: red'" +
                          " color='black'>removed</font>&nbsp;&nbsp;<font style='background-color: " +
                          "lightgreen' color='black'>changed</font>&nbsp;&nbsp;" +
                          "<font style='background-color: red' color='blue'>moved from</font>" +
                          "&nbsp;&nbsp;<font style='background-color: yellow' color='blue'>moved to" +
                          "</font>&nbsp;&nbsp;<font style='background-color: white' color='#AAAAAA'>" +
                          "ignored</font></td></tr>");


                sw1.Write("<tr><td><b> File Name : ");
                sw1.Write(OriginalPath.Text);
                sw1.Write("</b></td><td><b> File Name : ");
                sw1.Write(ComparePath.Text);
                sw1.Write("</b></td></tr>");

                MainProBar.PerformStep();
                //This gets the differences but just has the
                //rows and columns of an HTML table
                dv.GetHtml(sw1);

                MainProBar.PerformStep();
                //Finish wrapping up the generated HTML and complete the file.
                sw1.Write("</table></body></html>");

                //Open the IE Control window and pass it the HTML file we created.
                ReportWindow.Navigate(new Uri(tempFile));
                MainProBar.PerformStep();

                //HouseKeeping...close everything we dont want to lock.
                dv    = null;
                file1 = null;
                file2 = null;
                sw1.Close();
                orig.Close();
                diffGram.Close();
                orig.Dispose();
                diffGram.Dispose();
                tw.Dispose();
                sw1.Dispose();
                fileI.Dispose();
                fileO.Dispose();
                File.Delete(diffFile);
                GC.Collect();
                MainProBar.PerformStep();
                MainProBar.PerformStep();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message.ToString());
                MainProBar.Value = 1;
            }
        }