suyu/externals/qhexedit/xbytearray.cpp

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2013-08-30 05:35:09 +02:00
#include "xbytearray.h"
XByteArray::XByteArray()
{
_oldSize = -99;
_addressNumbers = 4;
_addressOffset = 0;
}
int XByteArray::addressOffset()
{
return _addressOffset;
}
void XByteArray::setAddressOffset(int offset)
{
_addressOffset = offset;
}
int XByteArray::addressWidth()
{
return _addressNumbers;
}
void XByteArray::setAddressWidth(int width)
{
if ((width >= 0) && (width<=6))
{
_addressNumbers = width;
}
}
QByteArray & XByteArray::data()
{
return _data;
}
void XByteArray::setData(QByteArray data)
{
_data = data;
_changedData = QByteArray(data.length(), char(0));
}
bool XByteArray::dataChanged(int i)
{
return bool(_changedData[i]);
}
QByteArray XByteArray::dataChanged(int i, int len)
{
return _changedData.mid(i, len);
}
void XByteArray::setDataChanged(int i, bool state)
{
_changedData[i] = char(state);
}
void XByteArray::setDataChanged(int i, const QByteArray & state)
{
int length = state.length();
int len;
if ((i + length) > _changedData.length())
len = _changedData.length() - i;
else
len = length;
_changedData.replace(i, len, state);
}
int XByteArray::realAddressNumbers()
{
if (_oldSize != _data.size())
{
// is addressNumbers wide enought?
QString test = QString("%1")
.arg(_data.size() + _addressOffset, _addressNumbers, 16, QChar('0'));
_realAddressNumbers = test.size();
}
return _realAddressNumbers;
}
int XByteArray::size()
{
return _data.size();
}
QByteArray & XByteArray::insert(int i, char ch)
{
_data.insert(i, ch);
_changedData.insert(i, char(1));
return _data;
}
QByteArray & XByteArray::insert(int i, const QByteArray & ba)
{
_data.insert(i, ba);
_changedData.insert(i, QByteArray(ba.length(), char(1)));
return _data;
}
QByteArray & XByteArray::remove(int i, int len)
{
_data.remove(i, len);
_changedData.remove(i, len);
return _data;
}
QByteArray & XByteArray::replace(int index, char ch)
{
_data[index] = ch;
_changedData[index] = char(1);
return _data;
}
QByteArray & XByteArray::replace(int index, const QByteArray & ba)
{
int len = ba.length();
return replace(index, len, ba);
}
QByteArray & XByteArray::replace(int index, int length, const QByteArray & ba)
{
int len;
if ((index + length) > _data.length())
len = _data.length() - index;
else
len = length;
_data.replace(index, len, ba.mid(0, len));
_changedData.replace(index, len, QByteArray(len, char(1)));
return _data;
}
QChar XByteArray::asciiChar(int index)
{
char ch = _data[index];
if ((ch < 0x20) || (ch > 0x7e))
ch = '.';
return QChar(ch);
}
QString XByteArray::toRedableString(int start, int end)
{
int adrWidth = realAddressNumbers();
if (_addressNumbers > adrWidth)
adrWidth = _addressNumbers;
if (end < 0)
end = _data.size();
QString result;
for (int i=start; i < end; i += 16)
{
QString adrStr = QString("%1").arg(_addressOffset + i, adrWidth, 16, QChar('0'));
QString hexStr;
QString ascStr;
for (int j=0; j<16; j++)
{
if ((i + j) < _data.size())
{
hexStr.append(" ").append(_data.mid(i+j, 1).toHex());
ascStr.append(asciiChar(i+j));
}
}
result += adrStr + " " + QString("%1").arg(hexStr, -48) + " " + QString("%1").arg(ascStr, -17) + "\n";
}
return result;
}