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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtScxml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include "qscxmlerror.h"
QT_BEGIN_NAMESPACE
class QScxmlError::ScxmlErrorPrivate
{
public:
ScxmlErrorPrivate()
: line(-1)
, column(-1)
{}
QString fileName;
int line;
int column;
QString description;
};
/*!
* \class QScxmlError
* \brief The QScxmlError class describes the errors returned by the Qt SCXML
* state machine when parsing an SCXML file.
* \since 5.7
* \inmodule QtScxml
*
* \sa QScxmlStateMachine QScxmlCompiler
*/
/*!
\property QScxmlError::column
\brief The column number in which the SCXML error occurred.
*/
/*!
\property QScxmlError::description
\brief A description of the SCXML error.
*/
/*!
\property QScxmlError::fileName
\brief The name of the file in which the SCXML error occurred.
*/
/*!
\property QScxmlError::line
\brief The line number on which the SCXML error occurred.
*/
/*!
\property QScxmlError::valid
\brief Whether the SCXML error is valid.
*/
/*!
* Creates a new invalid SCXML error.
*/
QScxmlError::QScxmlError()
: d(nullptr)
{}
/*!
* Creates a new valid SCXML error that contains the error message,
* \a description, as well as the \a fileName, \a line, and \a column where the
* error occurred.
*/
QScxmlError::QScxmlError(const QString &fileName, int line, int column, const QString &description)
: d(new ScxmlErrorPrivate)
{
d->fileName = fileName;
d->line = line;
d->column = column;
d->description = description;
}
/*!
* Constructs a copy of \a other.
*/
QScxmlError::QScxmlError(const QScxmlError &other)
: d(nullptr)
{
*this = other;
}
/*!
* Assigns \a other to this SCXML error and returns a reference to this SCXML
* error.
*/
QScxmlError &QScxmlError::operator=(const QScxmlError &other)
{
if (other.d) {
if (!d)
d = new ScxmlErrorPrivate;
d->fileName = other.d->fileName;
d->line = other.d->line;
d->column = other.d->column;
d->description = other.d->description;
} else {
delete d;
d = nullptr;
}
return *this;
}
/*!
* Destroys the SCXML error.
*/
QScxmlError::~QScxmlError()
{
delete d;
d = nullptr;
}
/*!
* Returns \c true if the error is valid, \c false otherwise. An invalid error
* can only be created by calling the default constructor or by assigning an
* invalid error.
*/
bool QScxmlError::isValid() const
{
return d != nullptr;
}
/*!
* Returns the name of the file in which the error occurred.
*/
QString QScxmlError::fileName() const
{
return isValid() ? d->fileName : QString();
}
/*!
* Returns the line on which the error occurred.
*/
int QScxmlError::line() const
{
return isValid() ? d->line : -1;
}
/*!
* Returns the column in which the error occurred.
*/
int QScxmlError::column() const
{
return isValid() ? d->column : -1;
}
/*!
* Returns the error message.
*/
QString QScxmlError::description() const
{
return isValid() ? d->description : QString();
}
/*!
* This convenience method converts an error to a string.
* Returns the error message formatted as:
* \e {"filename:line:column: error: description"}
*/
QString QScxmlError::toString() const
{
QString str;
if (!isValid())
return str;
if (d->fileName.isEmpty())
str = QStringLiteral("<Unknown File>");
else
str = d->fileName;
if (d->line != -1) {
str += QStringLiteral(":%1").arg(d->line);
if (d->column != -1)
str += QStringLiteral(":%1").arg(d->column);
}
str += QStringLiteral(": error: ") + d->description;
return str;
}
QT_END_NAMESPACE
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