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Added 64 bit support to BinEditor.

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This commit is contained in:
ck
2009-09-08 11:59:21 +02:00
parent 78d07c6d39
commit 85dcd851da
5 changed files with 65 additions and 43 deletions
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63
src/plugins/bineditor/bineditor.cpp
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@@ -77,6 +77,7 @@ BinEditor::BinEditor(QWidget *parent)
{
m_ieditor = 0;
m_inLazyMode = false;
m_baseAddr = 0;
m_blockSize = 4096;
init();
m_unmodifiedState = 0;
@@ -88,7 +89,7 @@ BinEditor::BinEditor(QWidget *parent)
m_cursorVisible = false;
m_caseSensitiveSearch = false;
setFocusPolicy(Qt::WheelFocus);
m_addressString = QString(9, QLatin1Char(':'));
m_addressString = QString(16 + 3, QLatin1Char(':'));
}
BinEditor::~BinEditor()
@@ -108,7 +109,7 @@ void BinEditor::init()
m_numVisibleLines = viewport()->height() / m_lineHeight;
m_textWidth = 16 * m_charWidth + m_charWidth;
int m_numberWidth = fm.width(QChar(QLatin1Char('9')));
m_labelWidth = 8 * m_numberWidth + 2 * m_charWidth;
m_labelWidth = 16 * m_numberWidth + 4 * m_charWidth;
int expectedCharWidth = m_columnWidth / 3;
const char *hex = "0123456789abcdef";
@@ -129,13 +130,17 @@ void BinEditor::init()
}
void BinEditor::addLazyData(int block, const QByteArray &data)
void BinEditor::addLazyData(quint64 block, const QByteArray &data)
{
Q_ASSERT(m_inLazyMode);
Q_ASSERT(data.size() == m_blockSize);
m_lazyData.insert(block, data);
m_lazyRequests.remove(block);
viewport()->update();
const quint64 addr = block * m_blockSize;
if (addr >= m_baseAddr && addr <= m_baseAddr + m_size - 1) {
const int translatedBlock = (addr - m_baseAddr) / m_blockSize;
m_lazyData.insert(translatedBlock, data);
m_lazyRequests.remove(translatedBlock);
viewport()->update();
}
}
bool BinEditor::requestDataAt(int pos, bool synchronous) const
@@ -148,7 +153,8 @@ bool BinEditor::requestDataAt(int pos, bool synchronous) const
if (it == m_lazyData.end()) {
if (!m_lazyRequests.contains(block)) {
m_lazyRequests.insert(block);
emit const_cast<BinEditor*>(this)->lazyDataRequested(block, synchronous);
emit const_cast<BinEditor*>(this)->
lazyDataRequested(m_baseAddr / m_blockSize + block, synchronous);
if (!m_lazyRequests.contains(block))
return true; // synchronous data source
}
@@ -294,6 +300,7 @@ bool BinEditor::isReadOnly() const
void BinEditor::setData(const QByteArray &data)
{
m_inLazyMode = false;
m_baseAddr = 0;
m_lazyData.clear();
m_lazyRequests.clear();
m_data = data;
@@ -325,12 +332,12 @@ bool BinEditor::applyModifications(QByteArray &data) const
if (data.size() != m_size)
return false;
for (QMap<int,QByteArray>::const_iterator it = m_lazyData.begin(); it != m_lazyData.end(); ++it) {
::memcpy(data.data() + it.key() * m_blockSize, it->constData(), m_blockSize);
::memcpy(data.data() + m_baseAddr + it.key() * m_blockSize, it->constData(), m_blockSize);
}
return true;
}
void BinEditor::setLazyData(int cursorPosition, int size, int blockSize)
void BinEditor::setLazyData(quint64 startAddr, int range, int blockSize)
{
m_inLazyMode = true;
m_blockSize = blockSize;
@@ -339,7 +346,14 @@ void BinEditor::setLazyData(int cursorPosition, int size, int blockSize)
m_data.clear();
m_lazyData.clear();
m_lazyRequests.clear();
m_size = size;
// In lazy mode, users can edit data in the range
// [startAddr - range/2, startAddr + range/2].
m_baseAddr = static_cast<quint64>(range/2) > startAddr
? 0 : startAddr - range/2;
m_baseAddr = (m_baseAddr / blockSize) * blockSize;
m_size = m_baseAddr != 0 && static_cast<quint64>(range) >= -m_baseAddr
? -m_baseAddr : range;
m_unmodifiedState = 0;
m_undoStack.clear();
@@ -347,7 +361,7 @@ void BinEditor::setLazyData(int cursorPosition, int size, int blockSize)
init();
m_cursorPosition = cursorPosition;
m_cursorPosition = startAddr - m_baseAddr;
verticalScrollBar()->setValue(m_cursorPosition / 16);
emit cursorPositionChanged(m_cursorPosition);
@@ -526,7 +540,8 @@ int BinEditor::dataLastIndexOf(const QByteArray &pattern, int from, bool caseSen
}
int BinEditor::find(const QByteArray &pattern_arg, int from, QTextDocument::FindFlags findFlags)
int BinEditor::find(const QByteArray &pattern_arg, int from,
QTextDocument::FindFlags findFlags)
{
if (pattern_arg.isEmpty())
return 0;
@@ -541,7 +556,7 @@ int BinEditor::find(const QByteArray &pattern_arg, int from, QTextDocument::Find
bool backwards = (findFlags & QTextDocument::FindBackward);
int found = backwards ? dataLastIndexOf(pattern, from, caseSensitiveSearch)
: dataIndexOf(pattern, from, caseSensitiveSearch);
int foundHex = -1;
QByteArray hexPattern = calculateHexPattern(pattern_arg);
if (!hexPattern.isEmpty()) {
@@ -593,20 +608,21 @@ void BinEditor::drawItems(QPainter *painter, int x, int y, const QString &itemSt
}
}
QString BinEditor::addressString(uint address)
QString BinEditor::addressString(quint64 address)
{
QChar *addressStringData = m_addressString.data();
const char *hex = "0123456789abcdef";
for (int h = 0; h < 4; ++h) {
int shift = 4*(7-h);
addressStringData[h] = hex[(address & (0xf<<shift))>>shift];
}
for (int h = 4; h < 8; ++h) {
int shift = 4*(7-h);
addressStringData[h+1] = hex[(address & (0xf<<shift))>>shift];
// Take colons into account.
const int indices[16] = {
0, 1, 2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 15, 16, 17, 18
};
for (int b = 0; b < 8; ++b) {
addressStringData[indices[15 - b*2]] = hex[(address >> (8*b)) & 0xf];
addressStringData[indices[14 - b*2]] = hex[(address >> (8*b + 4)) & 0xf];
}
return m_addressString;
}
void BinEditor::paintEvent(QPaintEvent *e)
@@ -663,7 +679,8 @@ void BinEditor::paintEvent(QPaintEvent *e)
continue;
painter.drawText(-xoffset, i * m_lineHeight + m_ascent, addressString(((uint) line) * 16));
painter.drawText(-xoffset, i * m_lineHeight + m_ascent,
addressString(m_baseAddr + ((uint) line) * 16));
int cursor = -1;
if (line * 16 <= m_cursorPosition && m_cursorPosition < line * 16 + 16)