adding initial project layout

externals/qhexedit/xbytearray.cpp

@@ -0,0 +1,167 @@
+#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;
+}