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/* data_printer.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include "ui/recent.h"
#include <ui/qt/utils/data_printer.h>
#include <stdint.h>
#include <QApplication>
#include <QClipboard>
#include <QString>
#include <QMimeData>
DataPrinter::DataPrinter(QObject * parent)
: QObject(parent),
byteLineLength_(16)
{}
void DataPrinter::toClipboard(DataPrinter::DumpType type, IDataPrintable * printable)
{
QByteArray printData = printable->printableData();
QString clipboard_text;
switch(type)
{
case DP_PrintableText:
for (int i = 0; i < printData.length(); i++) {
if (QChar::isSpace(printData[i]) || QChar::isLetter(printData[i])) {
clipboard_text += QChar(printData[i]);
}
}
break;
case DP_HexStream:
for (int i = 0; i < printData.length(); i++)
clipboard_text += QString("%1").arg(printData[i], 2, 16, QChar('0'));
break;
case DP_EscapedString:
// Beginning quote
clipboard_text += QString("\"");
for (int i = 0; i < printData.length(); i++) {
// Terminate this line if it has reached 16 bytes,
// unless it is also the very last byte in the data,
// as the termination after this for loop will take
// care of that.
if (i % 16 == 0 && i != 0 && i != printData.length() - 1) {
clipboard_text += QString("\" \\\n\"");
}
clipboard_text += QString("\\x%1").arg(printData[i], 2, 16, QChar('0'));
}
// End quote
clipboard_text += QString("\"\n");
break;
case DP_Binary:
binaryDump(printData);
break;
case DP_HexDump:
clipboard_text = hexTextDump(printData, true);
break;
case DP_HexOnly:
clipboard_text = hexTextDump(printData, false);
break;
default:
break;
}
if (!clipboard_text.isEmpty()) {
qApp->clipboard()->setText(clipboard_text);
}
}
void DataPrinter::binaryDump(QByteArray printData)
{
if (!printData.isEmpty()) {
QMimeData *mime_data = new QMimeData;
// gtk/gui_utils.c:copy_binary_to_clipboard says:
/* XXX - this is not understood by most applications,
* but can be pasted into the better hex editors - is
* there something better that we can do?
*/
// As of 2015-07-30, pasting into Frhed works on Windows. Pasting into
// Hex Editor Neo and HxD does not.
mime_data->setData("application/octet-stream", printData);
qApp->clipboard()->setMimeData(mime_data);
}
}
void DataPrinter::setByteLineLength(int bll)
{
byteLineLength_ = bll;
}
int DataPrinter::byteLineLength() const
{
return byteLineLength_;
}
int DataPrinter::hexChars()
{
int row_width = recent.gui_bytes_view == BYTES_HEX ? 16 : 8;
int chars_per_byte = recent.gui_bytes_view == BYTES_HEX ? 3 : 9;
return (row_width * chars_per_byte) + ((row_width - 1) / separatorInterval());
}
QString DataPrinter::hexTextDump(QByteArray printData, bool showText)
{
QString clipboard_text;
QString byteStr;
QString dataStr;
int cnt = 0;
while ( cnt < printData.length() )
{
byteStr += QString(" %1").arg((uint8_t) printData[cnt], 2, 16, QChar('0'));
if ( showText )
{
char ch = '.';
if ( QChar::isPrint(printData[cnt]) )
ch = (char) printData[cnt];
dataStr += QChar( ch );
}
cnt++;
}
int lines = printData.length() / byteLineLength_;
if ( printData.length() % byteLineLength_ > 0 )
lines++;
for ( cnt = 0; cnt < lines; cnt++ )
{
int offset = cnt * 0x10;
clipboard_text += QString("%1 ").arg(offset, 4, 16, QChar('0'));
clipboard_text += byteStr.mid(offset * 3, byteLineLength_ * 3);
if ( showText )
{
/* separation bytes for byte and text */
clipboard_text += QString(3, ' ');
/* separation bytes last line */
if ( cnt == ( lines - 1 ) )
{
int remSpace = byteLineLength_ - dataStr.mid(offset, byteLineLength_).length();
clipboard_text += QString(remSpace * 3, ' ');
}
/* text representation */
clipboard_text += dataStr.mid(offset, byteLineLength_);
}
clipboard_text += "\n";
}
return clipboard_text;
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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