//text to base64
private void text2base64button_Click(object sender, EventArgs e)
{
string textStr="";
if (textBox.Text.Length != 0 || encodingchoiceBox1.SelectedIndex ==5)
{
string filePath="";
byte[] encodedDataBytes = new byte[5];
//get encoded data bytes array from text box or file
switch (encodingchoiceBox1.SelectedIndex)
{
case 0: //defualt
encodedDataBytes = Encoding .Default .GetBytes(textBox.Text);
break;
case 1: //ASCII
encodedDataBytes = Encoding .ASCII .GetBytes(textBox.Text);
break;
case 2: //UTF-8
encodedDataBytes = Encoding .UTF8 .GetBytes(textBox.Text);
break;
case 3: //Unicode
encodedDataBytes = Encoding .Unicode .GetBytes(textBox.Text);
break;
case 4: //Unicode-BigEndian
encodedDataBytes = Encoding .BigEndianUnicode .GetBytes(textBox.Text);
break;
case 5: //Binary
try
{
FileStream fs = new FileStream(filePath = Regex.Replace(textFilePathBox.Text, "(\"|\')", ""), FileMode.Open);
encodedDataBytes = new byte[fs.Length];
fs.Read(encodedDataBytes, 0, (int)fs.Length);
fs.Close();
}
catch
{
MessageBox.Show(Properties.Resources.MainForm_invalidPathAlert);
return;
}
break;
case 6: //Code page
int codePage = 0;
try
{
codePage = Convert.ToInt32(codePageTextBox.Text);
#if DEBUG_CODEPAGE
MessageBox.Show(codePage.ToString());
#endif
encodedDataBytes = Encoding.GetEncoding(codePage).GetBytes(textBox.Text);
}
catch
{
CodePageHelp codePageHelpBox = new CodePageHelp();
codePageHelpBox.OpenHelpFormHandler += new CodePageHelp.openHelpFormHandler(helpHelpToolStripMenuItem_Click);
codePageHelpBox.ShowDialog();
return;
}
break;
default: //??
encodedDataBytes = Encoding .Default .GetBytes(textBox.Text);
break;
}
//output base64 string to base64 text box or file
if (base64FileModeCheckBox.Checked == true)
{
string toWriteFilePath = Regex.Replace(base64FilePathBox.Text, "(\"|\')", "");
try
{
byte[] textBytes = new byte[5];
if (File.Exists(toWriteFilePath))
{
if (MessageBox.Show(Properties.Resources.MainForm_fileExistedAlert, Properties.Resources.MainForm_fileExistedAlertTitle, MessageBoxButtons.YesNo) == DialogResult.Yes)
{
//if file exists, clear it before write
FileStream fs = new FileStream(toWriteFilePath, FileMode.Truncate);
textStr = Convert.ToBase64String(encodedDataBytes);
if (filePath.Length > 0) textStr = ASAddStyle(textStr, imageBase64Style, filePath);
textBytes = Encoding.ASCII.GetBytes(textStr);
fs.Write(textBytes, 0, textBytes.Length);
fs.Close();
}
else
{
//fakeProgressBar.Visible = false;
return;
}
}
else
{
FileStream fs = new FileStream(toWriteFilePath, FileMode.CreateNew);
textStr = Convert.ToBase64String(encodedDataBytes);
//write to with ASCII encoding, not support UTF-8 or other format files
if (filePath.Length > 0) textStr = ASAddStyle(textStr, imageBase64Style, filePath);
textBytes = Encoding.ASCII.GetBytes(textStr);
fs.Write(textBytes, 0, textBytes.Length);
fs.Close();
}
}
catch
{
MessageBox.Show(Properties.Resources.MainForm_invalidPathAlert);
return;
}
}
else
{
textStr = Convert.ToBase64String(encodedDataBytes);
if (sender == text2base64button) isConverting = true;
if (filePath.Length > 0)
{
textStr = ASAddStyle(textStr, imageBase64Style, filePath);
}
base64Box.Text = textStr;
if (sender == text2base64button) isConverting = false;
ASAutoCopy(labelBase64Copied, base64Box, sender == text2base64button);
}
}
}
private void Box_DragDrop(object sender, DragEventArgs e)
{
string filePath = "";
if (e.Data.GetDataPresent(DataFormats.Text))
{
((RichTextBox)sender).Text = e.Data.GetData(DataFormats.Text).ToString();
}
else //file drop
{
//show the content of file in the text/base64 box
//or turn to binary mode for image files
filePath = ((string[])e.Data.GetData(DataFormats.FileDrop))[0].ToString();
if (!IsImageFile_DragedDrop(sender,filePath))
{
switch (encodingchoiceBox1.SelectedIndex)
{
case 0: //defualt
((RichTextBox)sender).Text = File.ReadAllText(filePath, Encoding.Default);
break;
case 1: //ASCII
((RichTextBox)sender).Text = File.ReadAllText(filePath, Encoding.ASCII);
break;
case 2: //UTF-8
((RichTextBox)sender).Text = File.ReadAllText(filePath, Encoding.UTF8);
break;
case 3: //Unicode
((RichTextBox)sender).Text = File.ReadAllText(filePath, Encoding.Unicode);
break;
case 4: //Unicode-BigEndian
((RichTextBox)sender).Text = File.ReadAllText(filePath, Encoding.BigEndianUnicode);
break;
case 6: //Code page
int codePage = 0;
try
{
codePage = Convert.ToInt32(codePageTextBox.Text);
#if DEBUG_CODEPAGE
MessageBox.Show(codePage.ToString());
#endif
((RichTextBox)sender).Text = File.ReadAllText(filePath, Encoding.GetEncoding(codePage));
}
catch
{
CodePageHelp codePageHelpBox = new CodePageHelp();
codePageHelpBox.OpenHelpFormHandler += new CodePageHelp.openHelpFormHandler(helpHelpToolStripMenuItem_Click);
codePageHelpBox.ShowDialog();
return;
}
break;
default: //??
((RichTextBox)sender).Text = File.ReadAllText(filePath, Encoding.Default);
break;
}
}
}
}
//base64 to text
private void base642textbutton_Click(object sender, EventArgs e)
{
string base64Str = base64Box.Text;
byte[] decodedDataBytes,base64Bytes = new byte[5];
if (base64Str.Length != 0 || base64FileModeCheckBox.Checked == true)
{
try
{
//get decoded data bytes from base64 text box or file
if (base64FileModeCheckBox.Checked == true)
{
try
{
FileStream fs = new FileStream(Regex.Replace(base64FilePathBox.Text, "(\"|\')", ""), FileMode.Open);
base64Bytes = new byte[fs.Length];
fs.Read(base64Bytes, 0, (int)fs.Length);
fs.Close();
}
catch
{
MessageBox.Show(Properties.Resources.MainForm_invalidPathAlert);
return;
}
try
{
//read from file with ASCII encoding, not support UTF-8 or other format files
base64Str = Encoding.ASCII.GetString(base64Bytes);
decodedDataBytes = Convert.FromBase64String(base64Str);
}
catch
{
MessageBox.Show(Properties.Resources.MainForm_invalidBase64Alert);
return;
}
}
else
{
#if DEBUG_BASE64TOFILE
MessageBox.Show(@"length:" + base64Str.Length.ToString());
#endif
decodedDataBytes = Convert.FromBase64String(base64Str);
}
//output decoded text to text box or file
switch (encodingchoiceBox1.SelectedIndex)
{
case 0: //defualt
if (sender == base642textbutton) isConverting = true;
textBox.Text = Encoding .Default .GetString(decodedDataBytes);
if (sender == base642textbutton) isConverting = false;
ASAutoCopy(labelTextCopied, textBox, sender==base642textbutton);
break;
case 1: //ASCII
if (sender == base642textbutton) isConverting = true;
textBox.Text = Encoding .ASCII .GetString(decodedDataBytes);
if (sender == base642textbutton) isConverting = false;
ASAutoCopy(labelTextCopied, textBox, sender==base642textbutton);
break;
case 2: //UTF-8
if (sender == base642textbutton) isConverting = true;
textBox.Text = Encoding .UTF8 .GetString(decodedDataBytes);
if (sender == base642textbutton) isConverting = false;
ASAutoCopy(labelTextCopied, textBox, sender==base642textbutton);
break;
case 3: //Unicode
if (sender == base642textbutton) isConverting = true;
textBox.Text = Encoding .Unicode .GetString(decodedDataBytes);
if (sender == base642textbutton) isConverting = false;
ASAutoCopy(labelTextCopied, textBox, sender==base642textbutton);
break;
case 4: //Unicode-BigEndian
if (sender == base642textbutton) isConverting = true;
textBox.Text = Encoding .BigEndianUnicode .GetString(decodedDataBytes);
if (sender == base642textbutton) isConverting = false;
ASAutoCopy(labelTextCopied, textBox, sender==base642textbutton);
break;
case 5: //Binary
string toWriteFilePath = Regex.Replace(textFilePathBox.Text, "(\"|\')", "");
try
{
if (File.Exists(toWriteFilePath))
{
if (MessageBox.Show(Properties.Resources.MainForm_fileExistedAlert, Properties.Resources.MainForm_fileExistedAlertTitle, MessageBoxButtons.YesNo) == DialogResult.Yes)
{
FileStream fs = new FileStream(toWriteFilePath, FileMode.Truncate, FileAccess.Write);
fs.Write(decodedDataBytes, 0, decodedDataBytes.Length);
fs.Close();
}
else
{
return;
}
}
else
{
FileStream fs = new FileStream(toWriteFilePath, FileMode.CreateNew);
fs.Write(decodedDataBytes, 0, decodedDataBytes.Length);
fs.Close();
}
}
catch
{
MessageBox.Show(Properties.Resources.MainForm_invalidPathAlert);
return;
}
break;
case 6: //Code page
int codePage = 0;
try
{
codePage = Convert.ToInt32(codePageTextBox.Text);
#if DEBUG_CODEPAGE
MessageBox.Show(codePage.ToString());
#endif
if (sender == base642textbutton) isConverting = true;
textBox.Text = Encoding.GetEncoding(codePage).GetString(decodedDataBytes);
if (sender == base642textbutton) isConverting = false;
ASAutoCopy(labelTextCopied, textBox, sender == base642textbutton);
}
catch
{
CodePageHelp codePageHelpBox = new CodePageHelp();
codePageHelpBox.OpenHelpFormHandler += new CodePageHelp.openHelpFormHandler(helpHelpToolStripMenuItem_Click);
codePageHelpBox.ShowDialog();
//fakeProgressBar.Visible = false;
return;
}
break;
default: //??
if (sender == base642textbutton) isConverting = true;
textBox.Text = Encoding .Default .GetString(decodedDataBytes);
if (sender == base642textbutton) isConverting = false;
ASAutoCopy(labelTextCopied, textBox, sender == base642textbutton);
break;
}
}
catch
{
MessageBox.Show(Properties.Resources.MainForm_invalidBase64Alert);
return;
}
}
}