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/*
* Copyright (C) 2015-2016 Winfried Simon
* Copyright (C) 2023 - 2024 Mikhail Medvedev <e-ink-reader@yandex.ru>
*
*
* This software may be used under the terms of the GNU Lesser General
* Public License version 2.1 as published by the Free Software Foundation
* and appearing in the file license.txt included in the packaging of this file.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "searchdialog.h"
#include "ui_searchdialog.h"
#include <QMessageBox>
SearchDialog::SearchDialog(QHexEdit *hexEdit, QWidget *parent) :
QDialog(parent),
ui(new Ui::SearchDialog)
{
ui->setupUi(this);
_hexEdit = hexEdit;
}
SearchDialog::~SearchDialog()
{
delete ui;
}
qint64 SearchDialog::findNext()
{
qint64 from = _hexEdit->cursorPosition() / 2;
_findBa = getContent(ui->cbFindFormat->currentIndex(), ui->cbFind->currentText());
qint64 idx = -1;
if (_findBa.length() > 0)
{
if (ui->cbBackwards->isChecked())
idx = _hexEdit->lastIndexOf(_findBa, from);
else
idx = _hexEdit->indexOf(_findBa, from);
}
return idx;
}
void SearchDialog::on_pbFind_clicked()
{
findNext();
}
void SearchDialog::on_pbReplace_clicked()
{
int idx = findNext();
if (idx >= 0)
{
QByteArray replaceBa = getContent(ui->cbReplaceFormat->currentIndex(), ui->cbReplace->currentText());
replaceOccurrence(idx, replaceBa);
}
}
void SearchDialog::on_pbReplaceAll_clicked()
{
int replaceCounter = 0;
int idx = 0;
int goOn = QMessageBox::Yes;
while ((idx >= 0) && (goOn == QMessageBox::Yes))
{
idx = findNext();
if (idx >= 0)
{
QByteArray replaceBa = getContent(ui->cbReplaceFormat->currentIndex(), ui->cbReplace->currentText());
int result = replaceOccurrence(idx, replaceBa);
if (result == QMessageBox::Yes)
replaceCounter += 1;
if (result == QMessageBox::Cancel)
goOn = result;
}
}
if (replaceCounter > 0)
QMessageBox::information(this, tr("QHexEdit"), QString(tr("%1 occurrences replaced.")).arg(replaceCounter));
}
QByteArray SearchDialog::getContent(int comboIndex, const QString &input)
{
QByteArray findBa;
switch (comboIndex)
{
case 0: // hex
findBa = QByteArray::fromHex(input.toLatin1());
break;
case 1: // text
findBa = input.toUtf8();
break;
}
return findBa;
}
qint64 SearchDialog::replaceOccurrence(qint64 idx, const QByteArray &replaceBa)
{
int result = QMessageBox::Yes;
if (replaceBa.length() >= 0)
{
if (ui->cbPrompt->isChecked())
{
result = QMessageBox::question(this, tr("QHexEdit"),
tr("Replace occurrence?"),
QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel);
if (result == QMessageBox::Yes)
{
_hexEdit->replace(idx, replaceBa.length(), replaceBa);
_hexEdit->update();
}
}
else
{
_hexEdit->replace(idx, _findBa.length(), replaceBa);
}
}
return result;
}
void SearchDialog::on_pb_png_clicked()
{
ui->cbFind->setCurrentText("89504e470d0a1a0a");
}
void SearchDialog::on_pb_jpg_clicked()
{
ui->cbFind->setCurrentText("ffd8ff");
}
void SearchDialog::on_pb_gif_clicked()
{
ui->cbFind->setCurrentText("47494638");
}
void SearchDialog::on_pb_zip_clicked()
{
ui->cbFind->setCurrentText("504b0304");
}
void SearchDialog::on_pb_tar_clicked()
{
ui->cbFind->setCurrentText("7573746172003030");
}
void SearchDialog::on_pb_bios_clicked()
{
ui->cbFind->setCurrentText("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5AA5F00F");
}
void SearchDialog::on_pb_uefi_clicked()
{
ui->cbFind->setCurrentText("0000000000000000000000000000000078E58C8C3D8A1C4F9935896185C32DD3");
}
void SearchDialog::on_pb_gpt_clicked()
{
ui->cbFind->setCurrentText("4546492050415254");
}
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