public PdfStreamWindow(Tokeniser tokeniser, StringBuilder sb, ObjectId objectId, PdfSourceRichTextBox pdfSourceRichTextBox)
{
this.tokeniser = tokeniser;
this.sb = sb;
ObjectId = objectId;
this.pdfSourceRichTextBox = pdfSourceRichTextBox;
Owner = pdfSourceRichTextBox.MainWindow;
Width = Owner.ActualWidth / 2;
Height = Owner.ActualHeight * 0.9;
//var location = Owner.PointToScreen(new Point(Owner.Width*0, Owner.Height*0));
Left = Owner.Left + Owner.ActualWidth * .49;
Top = Owner.Top + Owner.ActualHeight * 0.05;
InitializeComponent();
CharRadioButton.Click += charRadioButton_Click;
HexRadioButton.Click += hexRadioButton_Click;
FindButton.Click += findButton_Click;
Closed += pdfStreamWindow_Closed;
displayContent();
Show();
}
private void navigate(bool isNext)
{
pdfRefRunTrace.Clear();
BackStatusBarItem.Visibility = Visibility.Collapsed;
//check if user has changed file or directory
if (FileTextBox.Text != "" && fileString != FileTextBox.Text)
{
var fileInfo = new FileInfo(FileTextBox.Text);
if (!fileInfo.Exists)
{
MessageBox.Show($"Could not find file '{FileTextBox.Text}'.", "Pdf file not found");
return;
}
fileString = FileTextBox.Text;
directoryString = fileInfo.DirectoryName;
DirectoryTextBox.Text = directoryString;
files.Clear();
dirs.Clear();
allFiles.Clear();
currentFileIndex = 0;
dirs.Push(new DirectoryInfo(directoryString));
isShowStartFile = true;
}
else if (DirectoryTextBox.Text != "" && directoryString != DirectoryTextBox.Text)
{
var directoryInfo = new DirectoryInfo(DirectoryTextBox.Text);
if (!directoryInfo.Exists)
{
MessageBox.Show($"Could not find directory '{DirectoryTextBox.Text}'.", "Directory not found");
return;
}
directoryString = DirectoryTextBox.Text;
files.Clear();
dirs.Clear();
allFiles.Clear();
currentFileIndex = 0;
dirs.Push(directoryInfo);
}
var haveAllFilesBeenFound = false;
if (currentFileIndex < allFiles.Count - 1 || (isNext == false) || (files.Count == 0 && dirs.Count == 0))
{
//show already read files
if (isNext)
{
currentFileIndex++;
if (currentFileIndex >= allFiles.Count)
{
currentFileIndex = 0;
}
}
else
{
currentFileIndex--;
if (currentFileIndex < 0)
{
currentFileIndex = allFiles.Count - 1;
}
}
}
else
{
while (files.Count == 0 && !haveAllFilesBeenFound)
{
if (dirs.Count == 0)
{
if (allFiles.Count == 0)
{
MessageBox.Show($"There are no pdf files in '{directoryString}' and its subdirectories.", "No pdf file found");
return;
}
else
{
currentFileIndex = 0;
haveAllFilesBeenFound = true;
}
}
else
{
//read next directory
var dir = dirs.Pop();
foreach (var subDir in dir.GetDirectories().OrderByDescending(d => d.Name))
{
dirs.Push(subDir);
}
foreach (var subfile in dir.GetFiles("*.pdf"))
{
if (isShowStartFile)
{
if (subfile.FullName == fileString)
{
isShowStartFile = false;
files.Enqueue(subfile);
}
else
{
allFiles.Add(subfile);
}
}
else
{
files.Enqueue(subfile);
}
}
}
}
if (!haveAllFilesBeenFound)
{
currentFileIndex = allFiles.Count;
allFiles.Add(files.Dequeue());
}
}
var file = allFiles[currentFileIndex];
FileTextBox.Text = file.FullName;
fileString = FileTextBox.Text;
PagesTabControl.Items.Clear();
PdfParser pdfParser;
try {
pdfParser = new PdfParser(file.FullName, "|", streamBuffer, stringBuilder);
} catch (Exception ex) {
var pageTabItem = new TabItem {
Header = "E_xception"
};
var bytes = "";
if (ex is PdfException pdfException)
{
bytes = Environment.NewLine + Environment.NewLine + pdfException.Tokeniser.ShowBufferContent();
}
var textBox = new TextBox {
Text = ex.ToDetailString() + bytes,
VerticalScrollBarVisibility = ScrollBarVisibility.Auto,
IsReadOnly = true
};
pageTabItem.Content = textBox;
PagesTabControl.Items.Add(pageTabItem);
PagesTabControl.SelectedIndex = 0;
return;
}
try {
PdfWebBrowser.Visibility = Visibility.Visible;
PdfTextBox.Visibility = Visibility.Collapsed;
var fileUri = new Uri(new Uri("file://"), file.FullName);
PdfWebBrowser.Navigate(fileUri);
//if (PdfWebBrowser.Source?.AbsolutePath!=file.FullName) {
// //couldn't find file
// PdfWebBrowser.Navigate(new Uri("about:blank"));
//}
} catch (Exception ex) {
PdfWebBrowser.Visibility = Visibility.Collapsed;
PdfTextBox.Visibility = Visibility.Visible;
PdfTextBox.Text = ex.ToDetailString();
}
var pageIndex = 0;
foreach (var page in pdfParser.Pages)
{
//todo: How to deal with pdf documents having more than 20 pages ?
if (pageIndex > 20)
{
break;
}
var hasException = false;
var underline = "";
if (pageIndex < 10)
{
underline = "_";
}
var pageTabItem = new TabItem {
Header = underline + pageIndex++
};
stringBuilder.Clear();
var isFirstContent = true;
foreach (var content in page.Contents)
{
if (isFirstContent)
{
isFirstContent = false;
}
else
{
stringBuilder.AppendLine(new string('-', 80));
}
stringBuilder.AppendLine(content.Text);
if (content.Exception != null)
{
hasException = true;
stringBuilder.AppendLine(new string('+', 80));
stringBuilder.AppendLine(content.Exception);
stringBuilder.AppendLine(new string('+', 80));
}
if (content.Error != null)
{
hasException = true;
stringBuilder.AppendLine(new string('+', 80));
stringBuilder.AppendLine(content.Error);
stringBuilder.AppendLine(new string('+', 80));
}
}
if (page.Exception != null)
{
hasException = true;
stringBuilder.AppendLine(new string('+', 80));
stringBuilder.AppendLine(page.Exception);
stringBuilder.AppendLine(new string('+', 80));
}
var textBox = new TextBox {
Text = stringBuilder.ToString(),
VerticalScrollBarVisibility = ScrollBarVisibility.Auto,
HorizontalScrollBarVisibility = ScrollBarVisibility.Auto,
IsReadOnly = true
};
if (hasException)
{
pageTabItem.Background = Brushes.Khaki;
}
pageTabItem.Content = textBox;
PagesTabControl.Items.Add(pageTabItem);
}
var infoTabItem = new TabItem {
Header = "_Info"
};
var tokeniser = pdfParser.Tokeniser;
var infotext = "PDF Version: " + tokeniser.PdfVersion;
if (tokeniser.DocumentInfo != null)
{
infotext += Environment.NewLine + Environment.NewLine + "Document Info: " + tokeniser.DocumentInfo;
}
if (tokeniser.DocumentID != null)
{
infotext += Environment.NewLine + Environment.NewLine + "Document ID: " + tokeniser.DocumentID;
}
infotext += Environment.NewLine + Environment.NewLine + "Pages: " + tokeniser.Pages.Count;
infotext += Environment.NewLine + Environment.NewLine + "Fonts: ";
foreach (var objectId_Token in tokeniser.Tokens)
{
if (objectId_Token.Value is DictionaryToken objectDictionaryToken)
{
if (objectDictionaryToken.Type == "Font")
{
var pdfFont = (PdfFont)objectDictionaryToken.PdfObject !;
infotext += Environment.NewLine + Environment.NewLine + pdfFont.Name + objectDictionaryToken.ToString();
if (pdfFont.ToUnicodeHeader != null)
{
infotext += Environment.NewLine + "ToUnicodeHeader: " + pdfFont.ToUnicodeHeader;
}
if (pdfFont.CMap != null)
{
foreach (var code_char in pdfFont.CMap)
{
infotext += Environment.NewLine + $"{code_char.Key}: '{code_char.Value}'";
}
}
if (pdfFont.Exception != null)
{
infotext += Environment.NewLine + new string('+', 80);
infotext += Environment.NewLine + pdfFont.Exception;
infotext += Environment.NewLine + new string('+', 80);
infoTabItem.Background = Brushes.Khaki;
}
infotext += Environment.NewLine;
}
}
}
if (tokeniser.Metadata != null)
{
infotext += Environment.NewLine + Environment.NewLine + "Meta data: " + tokeniser.Metadata;
}
var textBoxInfo = new TextBox {
Text = infotext,
VerticalScrollBarVisibility = ScrollBarVisibility.Auto,
HorizontalScrollBarVisibility = ScrollBarVisibility.Auto,
IsReadOnly = true
};
infoTabItem.Content = textBoxInfo;
PagesTabControl.Items.Add(infoTabItem);
var bytesTabItem = new TabItem {
Header = "_Bytes"
};
//var bytesContextMenu = new ContextMenu();
//bytesContextMenu.Items.Add(new MenuItem { Command = System.Windows.Input.ApplicationCommands.SelectAll});
//bytesContextMenu.Items.Add(new MenuItem { Command = System.Windows.Input.ApplicationCommands.Copy});
//bytesContextMenu.Items.Add(new MenuItem { Command = System.Windows.Input.ApplicationCommands.Cut });
//bytesContextMenu.Items.Add(new MenuItem { Command = System.Windows.Input.ApplicationCommands.Paste });
//bytesContextMenu.Items.Add(new MenuItem { Command = System.Windows.Input.ApplicationCommands.Undo });
//bytesContextMenu.Items.Add(new MenuItem { Command = System.Windows.Input.ApplicationCommands.Redo });
///*
//(int)Shortcut.CtrlS, Show Stream
//(int)Shortcut.CtrlA, Select all
//(int)Shortcut.CtrlC, Copy
//(int)Shortcut.CtrlX, Cut
//(int)Shortcut.CtrlV, Paste
//Shortcut.CtrlZ, Undo
//(int)Shortcut.CtrlY, Redo
//*/
//bytesTextBox = new TextBox {
// Text = pdfParser.Tokeniser.ShowBufferContent(),
// VerticalScrollBarVisibility = ScrollBarVisibility.Auto,
// HorizontalScrollBarVisibility = ScrollBarVisibility.Auto,
// ContextMenu = bytesContextMenu,
// IsReadOnly = true
// };
var pdfSourceRichTextBox = new PdfSourceRichTextBox(pdfParser.Tokeniser, stringBuilder, this);
bytesTabItem.Content = pdfSourceRichTextBox;
PagesTabControl.Items.Add(bytesTabItem);
PagesTabControl.SelectedIndex = 0;
}
