snap-2-html/Snap2HTML/frmMain_BackgroundWorker.cs
2025-02-28 16:11:48 -07:00

435 lines
17 KiB
C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Text;
using System.Windows.Forms;
using CommandLine.Utility;
namespace Snap2HTML
{
public partial class frmMain : Form
{
// This runs on a separate thread from the GUI
private void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
var settings = (SnapSettings)e.Argument;
// Get files & folders
var content = GetContent(settings, backgroundWorker);
if (backgroundWorker.CancellationPending)
{
backgroundWorker.ReportProgress(0, "User cancelled");
return;
}
if (content == null)
{
backgroundWorker.ReportProgress(0, "Error reading source");
return;
}
// Calculate some stats
int totDirs = 0;
int totFiles = 0;
long totSize = 0;
foreach (var folder in content)
{
totDirs++;
foreach (var file in folder.Files)
{
totFiles++;
totSize += Utils.ParseLong(file.GetProp("Size"));
}
}
// Let's generate the output
backgroundWorker.ReportProgress(0, "Generating HTML file...");
// Read template
var sbTemplate = new StringBuilder();
try
{
using (System.IO.StreamReader reader = new System.IO.StreamReader(System.IO.Path.GetDirectoryName(Application.ExecutablePath) + System.IO.Path.DirectorySeparatorChar + "template.html", Encoding.UTF8))
{
sbTemplate.Append(reader.ReadToEnd());
}
}
catch (System.Exception ex)
{
MessageBox.Show("Failed to open 'Template.html' for reading:\n\n" + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
backgroundWorker.ReportProgress(0, "An error occurred...");
return;
}
// Build HTML
sbTemplate.Replace("[TITLE]", settings.title);
sbTemplate.Replace("[APP LINK]", "http://www.rlvision.com");
sbTemplate.Replace("[APP NAME]", Application.ProductName);
sbTemplate.Replace("[APP VER]", Application.ProductVersion.Split('.')[0] + "." + Application.ProductVersion.Split('.')[1]);
sbTemplate.Replace("[GEN TIME]", DateTime.Now.ToString("t"));
sbTemplate.Replace("[GEN DATE]", DateTime.Now.ToString("d"));
sbTemplate.Replace("[NUM FILES]", totFiles.ToString());
sbTemplate.Replace("[NUM DIRS]", totDirs.ToString());
sbTemplate.Replace("[TOT SIZE]", totSize.ToString());
if (settings.linkFiles)
{
sbTemplate.Replace("[LINK FILES]", "true");
sbTemplate.Replace("[LINK ROOT]", settings.linkRoot.Replace(@"\", "/"));
sbTemplate.Replace("[SOURCE ROOT]", settings.rootFolder.Replace(@"\", "/"));
string link_root = settings.linkRoot.Replace(@"\", "/");
if (Utils.IsWildcardMatch(@"?:/*", link_root, false)) // "file://" is needed in the browser if path begins with drive letter, else it should not be used
{
sbTemplate.Replace("[LINK PROTOCOL]", @"file://");
}
else if (link_root.StartsWith("//")) // for UNC paths e.g. \\server\path
{
sbTemplate.Replace("[LINK PROTOCOL]", @"file://///");
}
else
{
sbTemplate.Replace("[LINK PROTOCOL]", "");
}
}
else
{
sbTemplate.Replace("[LINK FILES]", "false");
sbTemplate.Replace("[LINK PROTOCOL]", "");
sbTemplate.Replace("[LINK ROOT]", "");
sbTemplate.Replace("[SOURCE ROOT]", settings.rootFolder.Replace(@"\", "/"));
}
// Write output file
try
{
using (System.IO.StreamWriter writer = new System.IO.StreamWriter(settings.outputFile, false, Encoding.UTF8))
{
writer.AutoFlush = true;
var template = sbTemplate.ToString();
var startOfData = template.IndexOf("[DIR DATA]");
writer.Write(template.Substring(0, startOfData));
BuildJavascriptContentArray(content, 0, writer, backgroundWorker);
if (backgroundWorker.CancellationPending)
{
backgroundWorker.ReportProgress(0, "User cancelled");
return;
}
writer.Write(template.Substring(startOfData + 10));
}
sbTemplate = null;
if (settings.openInBrowser)
{
System.Diagnostics.Process.Start(settings.outputFile);
}
}
catch (Exception ex)
{
MessageBox.Show("Failed to open file for writing:\n\n" + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
backgroundWorker.ReportProgress(0, "An error occurred...");
return;
}
// Ready!
Cursor.Current = Cursors.Default;
backgroundWorker.ReportProgress(100, "Ready!");
}
// --- Helper functions (must be static to avoid thread problems) ---
private static List<SnappedFolder> GetContent(SnapSettings settings, BackgroundWorker bgWorker)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
var result = new List<SnappedFolder>();
// Get all folders
var dirs = new List<string>();
dirs.Insert(0, settings.rootFolder);
DirSearch(settings.rootFolder, dirs, settings.skipHiddenItems, settings.skipSystemItems, stopwatch, bgWorker);
dirs = Utils.SortDirList(dirs);
if (bgWorker.CancellationPending)
{
return null;
}
var totFiles = 0;
stopwatch.Restart();
try
{
string modified_date;
string created_date;
// Parse each folder
for (int d = 0; d < dirs.Count; d++)
{
// Get folder properties
var dirName = dirs[d];
var currentDir = new SnappedFolder(Path.GetFileName(dirName), Path.GetDirectoryName(dirName));
if (dirName == Path.GetPathRoot(dirName))
{
currentDir = new SnappedFolder("", dirName);
}
modified_date = "";
created_date = "";
try
{
modified_date = Utils.ToUnixTimestamp(System.IO.Directory.GetLastWriteTime(dirName).ToLocalTime()).ToString();
created_date = Utils.ToUnixTimestamp(System.IO.Directory.GetCreationTime(dirName).ToLocalTime()).ToString();
}
catch (Exception ex)
{
Console.WriteLine("{0} Exception caught.", ex);
}
currentDir.Properties.Add("Modified", modified_date);
currentDir.Properties.Add("Created", created_date);
// Get files in folder
List<string> files;
try
{
files = new List<string>(System.IO.Directory.GetFiles(dirName, "*.*", System.IO.SearchOption.TopDirectoryOnly));
}
catch (Exception ex)
{
Console.WriteLine("{0} Exception caught.", ex);
result.Add(currentDir);
continue;
}
files.Sort();
// Get file properties
foreach (string sFile in files)
{
totFiles++;
if (stopwatch.ElapsedMilliseconds >= 50)
{
bgWorker.ReportProgress(0, "Reading files... " + totFiles + " (" + sFile + ")");
stopwatch.Restart();
}
if (bgWorker.CancellationPending)
{
return null;
}
var currentFile = new SnappedFile(Path.GetFileName(sFile));
try
{
System.IO.FileInfo fi = new System.IO.FileInfo(sFile);
var isHidden = (fi.Attributes & System.IO.FileAttributes.Hidden) == System.IO.FileAttributes.Hidden;
var isSystem = (fi.Attributes & System.IO.FileAttributes.System) == System.IO.FileAttributes.System;
if ((isHidden && settings.skipHiddenItems) || (isSystem && settings.skipSystemItems))
{
continue;
}
currentFile.Properties.Add("Size", fi.Length.ToString());
modified_date = "-";
created_date = "-";
try
{
modified_date = Utils.ToUnixTimestamp(fi.LastWriteTime.ToLocalTime()).ToString();
created_date = Utils.ToUnixTimestamp(fi.CreationTime.ToLocalTime()).ToString();
}
catch (Exception ex)
{
Console.WriteLine("{0} Exception caught.", ex);
}
currentFile.Properties.Add("Modified", modified_date);
currentFile.Properties.Add("Created", created_date);
}
catch (Exception ex)
{
Console.WriteLine("{0} Exception caught.", ex);
}
currentDir.Files.Add(currentFile);
}
result.Add(currentDir);
}
}
catch (System.Exception ex)
{
Console.WriteLine("{0} exception caught: {1}", ex, ex.Message);
}
return result;
}
// Recursive function to get all folders and subfolders of given path path
private static void DirSearch(string sDir, List<string> lstDirs, bool skipHidden, bool skipSystem, Stopwatch stopwatch, BackgroundWorker backgroundWorker)
{
if (backgroundWorker.CancellationPending) return;
try
{
foreach (string d in System.IO.Directory.GetDirectories(sDir))
{
bool includeThisFolder = true;
//if( d.ToUpper().EndsWith( "SYSTEM VOLUME INFORMATION" ) ) includeThisFolder = false;
// exclude folders that have the system or hidden attr set (if required)
if (skipHidden || skipSystem)
{
var attr = new DirectoryInfo(d).Attributes;
if (skipHidden)
{
if ((attr & FileAttributes.Hidden) == FileAttributes.Hidden)
{
includeThisFolder = false;
}
}
if (skipSystem)
{
if ((attr & FileAttributes.System) == FileAttributes.System)
{
includeThisFolder = false;
}
}
}
if (includeThisFolder)
{
lstDirs.Add(d);
if (stopwatch.ElapsedMilliseconds >= 50)
{
backgroundWorker.ReportProgress(0, "Getting folders... " + lstDirs.Count + " (" + d + ")");
stopwatch.Restart();
}
DirSearch(d, lstDirs, skipHidden, skipSystem, stopwatch, backgroundWorker);
}
}
}
catch (System.Exception ex)
{
Console.WriteLine("ERROR in DirSearch():" + ex.Message);
}
}
private static void BuildJavascriptContentArray(List<SnappedFolder> content, int startIndex, StreamWriter writer, BackgroundWorker bgWorker)
{
// Data format:
// Each index in "dirs" array is an array representing a directory:
// First item in array: "directory path*always 0*directory modified date"
// Note that forward slashes are used instead of (Windows style) backslashes
// Then, for each each file in the directory: "filename*size of file*file modified date"
// Second to last item in array tells the total size of directory content
// Last item in array refrences IDs to all subdirectories of this dir (if any).
// ID is the item index in dirs array.
// Note: Modified date is in UNIX format
var lineBreakSymbol = ""; // Could be set to \n to make the html output more readable, at the expense of increased size
// Assign an ID to each folder. This is equal to the index in the JS data array
var dirIndexes = new Dictionary<string, string>();
for (var i = 0; i < content.Count; i++)
{
dirIndexes.Add(content[i].GetFullPath(), (i + startIndex).ToString());
}
// Build a lookup table with subfolder IDs for each folder
var subdirs = new Dictionary<string, List<string>>();
foreach (var dir in content)
{
// add all folders as keys
subdirs.Add(dir.GetFullPath(), new List<string>());
}
if (!subdirs.ContainsKey(content[0].Path) && content[0].Name != "")
{
// ensure that root folder is not missed missed
subdirs.Add(content[0].Path, new List<string>());
}
foreach (var dir in content)
{
if (dir.Name != "")
{
try
{
// for each folder, add its index to its parent folder list of subdirs
subdirs[dir.Path].Add(dirIndexes[dir.GetFullPath()]);
}
catch (Exception)
{
// orphan file or folder?
}
}
}
// Generate the data array
var result = new StringBuilder();
foreach (var currentDir in content)
{
result.Append("D.p([" + lineBreakSymbol);
var sDirWithForwardSlash = currentDir.GetFullPath().Replace(@"\", "/");
result.Append("\"").Append(Utils.MakeCleanJsString(sDirWithForwardSlash)).Append("*").Append("0").Append("*").Append(currentDir.GetProp("Modified")).Append("\"," + lineBreakSymbol);
long dirSize = 0;
foreach (var currentFile in currentDir.Files)
{
result.Append("\"").Append(Utils.MakeCleanJsString(currentFile.Name)).Append("*").Append(currentFile.GetProp("Size")).Append("*").Append(currentFile.GetProp("Modified")).Append("\"," + lineBreakSymbol);
dirSize += Utils.ParseLong(currentFile.GetProp("Size"));
}
// Add total dir size
result.Append("").Append(dirSize).Append("," + lineBreakSymbol);
// Add reference to subdirs
result.Append("\"").Append(String.Join("*", subdirs[currentDir.GetFullPath()].ToArray())).Append("\"" + lineBreakSymbol);
// Finalize
result.Append("])");
result.Append("\n");
// Write result in chunks to limit memory consumption
if (result.Length > 10240)
{
writer.Write(result.ToString());
result.Clear();
}
if (bgWorker.CancellationPending)
{
return;
}
}
writer.Write(result.ToString());
return;
}
}
}