private void CharInfo_Click(object sender, RoutedEventArgs e)
{
var text = CharInfoConvertHelper.ConvertToElementInfoTableString(this.RxCurrentText.Value);
Clipboard.SetText(text);
var item = sender as Control;
item.Visibility = Visibility.Hidden;
Task.Delay(kCopyFlashInterval).ContinueWith(x => { this.Dispatcher.Invoke(() => { item.Visibility = Visibility.Visible; }); });
}
public static string ConvertToElementLengthInfoString(string str)
{
if (string.IsNullOrEmpty(str))
{
return(null);
}
var ci = new CharInfo(str);
var s = CharInfoConvertHelper.Ellipsize(ci.PrintableText, 20);
return($"'{s}' | {ci.ElementCount} elements | {ci.Utf16Count} bytes (16BE) | {ci.Utf8Count} bytes (8)");
}
public static string ConvertToElementInfoString(string str)
{
if (string.IsNullOrEmpty(str))
{
return(null);
}
var ci = new CharInfo(str);
var s = CharInfoConvertHelper.Ellipsize(ci.PrintableText, 20);
return($"'{s}' | {ci.CodePointText} | {ci.Utf16BECodeText} (16BE) | {ci.Utf8CodeText} (8)");
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
var result = CharInfoConverter.InvalidValueString;
if (!(values[0] is string currentText))
{
return(result);
}
if (!(values[1] is int selectionLength))
{
return(result);
}
return((selectionLength == 0) ?
(CharInfoConvertHelper.ConvertToElementInfoString(currentText) ?? result) :
(CharInfoConvertHelper.ConvertToElementLengthInfoString(currentText) ?? result));
}
private void InputTextBox_SelectionChanged(object sender, RoutedEventArgs e)
{
if (!this.IsInitialized)
{
return;
}
var caretIndex = this.InputTextBox.CaretIndex;
var lineIndex = this.InputTextBox.GetLineIndexFromCharacterIndex(caretIndex);
var lines = LineString.Split(this.InputTextBox.Text).ToArray();
// GetLineText and GetCharacterIndexFromLineIndex does not work correctly in full-screen mode.
var currentLine = lines[lineIndex]; //this.InputTextBox.GetLineText(lineIndex);
var selectedText = this.InputTextBox.SelectedText;
if (lineIndex != this.lastCalculatedLineIndex || this.RxSelectionLength.Value != selectedText.Length)
{
// Recalculate current line
this.calculator.Reset();
for (int i = 0; i <= lineIndex; i++)
{
this.calculator.Calculate(lines[i].Text);
}
if (0 < selectedText.Length)
{
this.calculator.Calculate(selectedText);
}
if (this.calculator.Error == null)
{
this.RxResult.Value = this.calculator.Result.ToString();
}
this.RxErrorText.Value = this.calculator.Error;
this.lastCalculatedLineIndex = lineIndex;
}
if (selectedText.Length == 0)
{
int lineStartCharIndex = TextBoxHelper.GetCharacterIndexOfLineStartFromLineIndex(lines, lineIndex);
int charIndexOfLine = caretIndex - lineStartCharIndex;
var offset = (charIndexOfLine < currentLine.Text.Length) ? 0 : -1;
selectedText = CharInfoConvertHelper.GetUnicodeElement(currentLine.Text, charIndexOfLine + offset);
}
this.RxCurrentText.Value = selectedText;
this.RxSelectionLength.Value = this.InputTextBox.SelectionLength;
}
public CharInfo(string input)
{
var si = new StringInfo(input);
var codePoints = new List <string>();
var utf8Codes = new List <string>();
var utf16Codes = new List <string>();
for (int i = 0; i < si.LengthInTextElements; i++)
{
var element = si.SubstringByTextElements(i, 1);
codePoints.Add($"U+{char.ConvertToUtf32(element, 0):X}");
utf8Codes.Add(string.Join(":", Encoding.UTF8.GetBytes(element).Select(c => $"{c:X2}")));
utf16Codes.Add(string.Join(":", Encoding.BigEndianUnicode.GetBytes(element).Select(c => $"{c:X2}")));
}
this.Text = input;
this.PrintableText = CharInfoConvertHelper.ConvertToPrintable(input);
this.CodePointText = string.Join(" ", codePoints);
this.Utf8CodeText = string.Join(" ", utf8Codes);
this.Utf16BECodeText = string.Join(" ", utf16Codes);
this.ElementCount = si.LengthInTextElements;
this.Utf8Count = Encoding.UTF8.GetBytes(input).Length;
this.Utf16Count = Encoding.BigEndianUnicode.GetBytes(input).Length;
}