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/**************************************************************************
**
** This file is part of Qt Creator Instrumentation Tools
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Author: Frank Osterfeld, KDAB (frank.osterfeld@kdab.com)
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file 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.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "stackmodel.h"
#include "error.h"
#include "frame.h"
#include "stack.h"
#include "modelhelpers.h"
#include <utils/qtcassert.h>
#include <QtCore/QDir>
#include <QtCore/QVector>
using namespace Valgrind;
using namespace Valgrind::XmlProtocol;
class StackModel::Private
{
public:
Error error;
Stack stack(int i) const
{
if (i < 0 || i >= error.stacks().size())
return Stack();
else
return error.stacks().at(i);
}
};
static QString makeName(const Frame &frame)
{
const QString d = frame.directory();
const QString f = frame.file();
const QString fn = frame.functionName();
if (!fn.isEmpty())
return fn;
if (!d.isEmpty() && !f.isEmpty())
return frame.line() > 0 ? QString::fromLatin1("%1%2%3:%4").arg(d, QDir::separator(), f, QString::number(frame.line()))
: QString::fromLatin1("%1%2%3").arg(d, QDir::separator(), f);
else
return frame.object();
}
StackModel::StackModel(QObject *parent)
: QAbstractItemModel(parent)
, d(new Private)
{
}
StackModel::~StackModel()
{
delete d;
}
QVariant StackModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
QTC_ASSERT(index.model() == this, return QVariant());
if (!index.parent().isValid()) {
const Stack stack = d->stack(index.row());
if (role == Qt::DisplayRole) {
switch (index.column()) {
case NameColumn:
if (!stack.auxWhat().isEmpty())
return stack.auxWhat();
else
return d->error.what();
default:
return QVariant();
}
}
} else {
const Stack stack = d->stack(index.parent().row());
const QVector<Frame> frames = stack.frames();
const int fidx = index.row();
if (fidx < 0 || fidx >= frames.size())
return QVariant();
const Frame &frame = frames[fidx];
switch(role) {
case Qt::DisplayRole:
{
switch (index.column()) {
case NameColumn:
return makeName(frame);
case InstructionPointerColumn:
return QString::fromLatin1("0x%1").arg(frame.instructionPointer(), 0, 16);
case ObjectColumn:
return frame.object();
case FunctionNameColumn:
return frame.functionName();
case DirectoryColumn:
return frame.directory();
case FileColumn:
return frame.file();
case LineColumn:
if (frame.line() > 0)
return frame.line();
else
return QVariant();
}
break;
}
case Qt::ToolTipRole:
return toolTipForFrame(frame);
case ObjectRole:
return frame.object();
case FunctionNameRole:
return frame.functionName();
case FileRole:
return frame.file();
case DirectoryRole:
return frame.directory();
case LineRole:
if (frame.line() > 0)
return frame.line();
else
return QVariant();
}
}
return QVariant();
}
QVariant StackModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation != Qt::Horizontal || role != Qt::DisplayRole)
return QVariant();
switch (section) {
case NameColumn:
return tr("Description");
case InstructionPointerColumn:
return tr("Instruction Pointer");
case ObjectColumn:
return tr("Object");
case FunctionNameColumn:
return tr("Function");
case DirectoryColumn:
return tr("Directory");
case FileColumn:
return tr("File");
case LineColumn:
return tr("Line");
}
return QVariant();
}
QModelIndex StackModel::index(int row, int column, const QModelIndex &parent) const
{
if (parent.isValid()) {
QTC_ASSERT(parent.model() == this, return QModelIndex());
return createIndex(row, column, parent.row());
} else
return createIndex(row, column, -1);
}
QModelIndex StackModel::parent(const QModelIndex &child) const
{
QTC_ASSERT(!child.isValid() || child.model() == this, return QModelIndex());
if (child.internalId() == -1)
return QModelIndex();
else
return createIndex(child.internalId(), 0, -1);
}
int StackModel::rowCount(const QModelIndex &parent) const
{
if (!parent.isValid())
return d->error.stacks().size();
QTC_ASSERT(parent.model() == this, return 0);
const QModelIndex gp = parent.parent();
if (!gp.isValid())
return d->stack(parent.row()).frames().size();
else
return 0;
}
int StackModel::columnCount(const QModelIndex &parent) const {
QTC_ASSERT(!parent.isValid() || parent.model() == this, return 0);
return ColumnCount;
}
void StackModel::setError(const Error &error)
{
if (d->error == error)
return;
d->error = error;
reset();
}
void StackModel::clear()
{
beginResetModel();
d->error = Error();
endResetModel();
}
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