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Diffstat (limited to 'src/declarative/qml/qmlerror.cpp')
| -rw-r--r-- | src/declarative/qml/qmlerror.cpp | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/src/declarative/qml/qmlerror.cpp b/src/declarative/qml/qmlerror.cpp new file mode 100644 index 0000000..2ed3500 --- /dev/null +++ b/src/declarative/qml/qmlerror.cpp @@ -0,0 +1,227 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qmlerror.h" +#include <QtCore/qdebug.h> +#include <QtCore/qfile.h> +#include <QtCore/qstringlist.h> + +QT_BEGIN_NAMESPACE + +/*! + \class QmlError + \brief The QmlError class encapsulates a QML error +*/ +class QmlErrorPrivate +{ +public: + QmlErrorPrivate(); + + QUrl url; + QString description; + int line; + int column; +}; + +QmlErrorPrivate::QmlErrorPrivate() +: line(-1), column(-1) +{ +} + +/*! + Create an empty error object. +*/ +QmlError::QmlError() +: d(new QmlErrorPrivate) +{ +} + +/*! + Create a copy of \a other. +*/ +QmlError::QmlError(const QmlError &other) +: d(new QmlErrorPrivate) +{ + *this = other; +} + +/*! + Assign \a other to this error object. +*/ +QmlError &QmlError::operator=(const QmlError &other) +{ + d->url = other.d->url; + d->description = other.d->description; + d->line = other.d->line; + d->column = other.d->column; + return *this; +} + +/*! + \internal +*/ +QmlError::~QmlError() +{ + delete d; d = 0; +} + +/*! + Return the url for the file that caused this error. +*/ +QUrl QmlError::url() const +{ + return d->url; +} + +/*! + Set the \a url for the file that caused this error. +*/ +void QmlError::setUrl(const QUrl &url) +{ + d->url = url; +} + +/*! + Return the error description. +*/ +QString QmlError::description() const +{ + return d->description; +} + +/*! + Set the error \a description. +*/ +void QmlError::setDescription(const QString &description) +{ + d->description = description; +} + +/*! + Return the error line number. +*/ +int QmlError::line() const +{ + return d->line; +} + +/*! + Set the error \a line number. +*/ +void QmlError::setLine(int line) +{ + d->line = line; +} + +/*! + Return the error column number. +*/ +int QmlError::column() const +{ + return d->column; +} + +/*! + Set the error \a column number. +*/ +void QmlError::setColumn(int column) +{ + d->column = column; +} + +/*! + \relates QmlError + \fn QDebug operator<<(QDebug debug, const QmlError &error) + + Output a human readable version of \a error to \a debug. +*/ + +QDebug operator<<(QDebug debug, const QmlError &error) +{ + QUrl url = error.url(); + + QString output; + + output = url.toString() + QLatin1String(":") + + QString::number(error.line()); + + if(error.column() != -1) + output += QLatin1String(":") + QString::number(error.column()); + + output += QLatin1String(": ") + error.description(); + + debug << qPrintable(output) << "\n"; + + if (error.line() > 0 && error.column() > 0 && + url.scheme() == QLatin1String("file")) { + QString file = url.toLocalFile(); + QFile f(file); + if (f.open(QIODevice::ReadOnly)) { + QByteArray data = f.readAll(); + QTextStream stream(data, QIODevice::ReadOnly); + const QString code = stream.readAll(); + const QStringList lines = code.split(QLatin1Char('\n')); + + if (lines.count() >= error.line()) { + const QString &line = lines.at(error.line() - 1); + debug << qPrintable(line) << "\n"; + + int column = qMax(0, error.column() - 1); + column = qMin(column, line.length()); + + QByteArray ind; + ind.reserve(column); + for (int i = 0; i < column; ++i) { + const QChar ch = line.at(i); + if (ch.isSpace()) + ind.append(ch.unicode()); + else + ind.append(' '); + } + ind.append('^'); + debug << ind.constData(); + } + } + } + return debug; +} + +QT_END_NAMESPACE |