mirror of
https://bitbucket.org/smil3y/katie.git
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274 lines
8.5 KiB
C++
274 lines
8.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtDeclarative module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qdeclarativedirparser_p.h"
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#include "qdeclarativeerror.h"
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#include <qdeclarativeglobal_p.h>
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#include <QtCore/QTextStream>
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#include <QtCore/QFile>
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#include <QtCore/QDebug>
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QT_BEGIN_NAMESPACE
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QDeclarativeDirParser::QDeclarativeDirParser()
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: _isParsed(false)
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{
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}
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QDeclarativeDirParser::~QDeclarativeDirParser()
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{
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}
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QUrl QDeclarativeDirParser::url() const
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{
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return _url;
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}
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void QDeclarativeDirParser::setUrl(const QUrl &url)
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{
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_url = url;
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}
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QString QDeclarativeDirParser::fileSource() const
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{
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return _filePathSouce;
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}
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void QDeclarativeDirParser::setFileSource(const QString &filePath)
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{
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_filePathSouce = filePath;
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}
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QString QDeclarativeDirParser::source() const
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{
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return _source;
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}
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void QDeclarativeDirParser::setSource(const QString &source)
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{
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_isParsed = false;
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_source = source;
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}
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bool QDeclarativeDirParser::isParsed() const
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{
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return _isParsed;
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}
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bool QDeclarativeDirParser::parse()
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{
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if (_isParsed)
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return true;
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_isParsed = true;
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_errors.clear();
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_plugins.clear();
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_components.clear();
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if (_source.isEmpty() && !_filePathSouce.isEmpty()) {
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QFile file(_filePathSouce);
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if (!QDeclarative_isFileCaseCorrect(_filePathSouce)) {
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QDeclarativeError error;
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error.setDescription(QString::fromUtf8("cannot load module \"$$URI$$\": File name case mismatch for \"%1\"").arg(_filePathSouce));
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_errors.prepend(error);
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return false;
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} else if (file.open(QFile::ReadOnly)) {
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_source = QString::fromUtf8(file.readAll());
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} else {
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QDeclarativeError error;
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error.setDescription(QString::fromUtf8("module \"$$URI$$\" definition \"%1\" not readable").arg(_filePathSouce));
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_errors.prepend(error);
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return false;
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}
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}
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QTextStream stream(&_source);
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int lineNumber = 0;
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forever {
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++lineNumber;
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const QString line = stream.readLine();
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if (line.isNull())
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break;
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QString sections[3];
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int sectionCount = 0;
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int index = 0;
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const int length = line.length();
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while (index != length) {
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const QChar ch = line.at(index);
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if (ch.isSpace()) {
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do { ++index; }
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while (index != length && line.at(index).isSpace());
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} else if (ch == QLatin1Char('#')) {
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// recognized a comment
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break;
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} else {
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const int start = index;
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do { ++index; }
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while (index != length && !line.at(index).isSpace());
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const QString lexeme = line.mid(start, index - start);
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if (sectionCount >= 3) {
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reportError(lineNumber, start, QLatin1String("unexpected token"));
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} else {
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sections[sectionCount++] = lexeme;
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}
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}
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}
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if (sectionCount == 0) {
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continue; // no sections, no party.
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} else if (sections[0] == QLatin1String("plugin")) {
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if (sectionCount < 2) {
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reportError(lineNumber, -1,
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QString::fromUtf8("plugin directive requires 2 arguments, but %1 were provided").arg(sectionCount + 1));
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continue;
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}
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const Plugin entry(sections[1], sections[2]);
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_plugins.append(entry);
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} else if (sections[0] == QLatin1String("internal")) {
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if (sectionCount != 3) {
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reportError(lineNumber, -1,
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QString::fromUtf8("internal types require 2 arguments, but %1 were provided").arg(sectionCount + 1));
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continue;
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}
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Component entry(sections[1], sections[2], -1, -1);
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entry.internal = true;
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_components.append(entry);
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} else if (sections[0] == QLatin1String("typeinfo")) {
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if (sectionCount != 2) {
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reportError(lineNumber, -1,
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QString::fromUtf8("typeinfo requires 1 argument, but %1 were provided").arg(sectionCount - 1));
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continue;
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}
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} else if (sectionCount == 2) {
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// No version specified (should only be used for relative qmldir files)
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const Component entry(sections[0], sections[1], -1, -1);
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_components.append(entry);
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} else if (sectionCount == 3) {
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const QString &version = sections[1];
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const int dotIndex = version.indexOf(QLatin1Char('.'));
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if (dotIndex == -1) {
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reportError(lineNumber, -1, QLatin1String("expected '.'"));
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} else if (version.indexOf(QLatin1Char('.'), dotIndex + 1) != -1) {
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reportError(lineNumber, -1, QLatin1String("unexpected '.'"));
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} else {
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bool validVersionNumber = false;
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const int majorVersion = version.left(dotIndex).toInt(&validVersionNumber);
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if (validVersionNumber) {
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const int minorVersion = version.mid(dotIndex + 1).toInt(&validVersionNumber);
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if (validVersionNumber) {
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const Component entry(sections[0], sections[2], majorVersion, minorVersion);
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_components.append(entry);
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}
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}
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}
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} else {
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reportError(lineNumber, -1,
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QString::fromUtf8("a component declaration requires 3 arguments, but %1 were provided").arg(sectionCount + 1));
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}
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}
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return hasError();
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}
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void QDeclarativeDirParser::reportError(int line, int column, const QString &description)
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{
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QDeclarativeError error;
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error.setUrl(_url);
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error.setLine(line);
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error.setColumn(column);
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error.setDescription(description);
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_errors.append(error);
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}
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bool QDeclarativeDirParser::hasError() const
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{
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if (! _errors.isEmpty())
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return true;
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return false;
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}
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QList<QDeclarativeError> QDeclarativeDirParser::errors(const QString &uri) const
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{
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QList<QDeclarativeError> errors = _errors;
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for (int i = 0; i < errors.size(); ++i) {
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QDeclarativeError &e = errors[i];
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QString description = e.description();
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description.replace(QLatin1String("$$URI$$"), uri);
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e.setDescription(description);
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}
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return errors;
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}
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QList<QDeclarativeDirParser::Plugin> QDeclarativeDirParser::plugins() const
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{
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return _plugins;
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}
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QList<QDeclarativeDirParser::Component> QDeclarativeDirParser::components() const
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{
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return _components;
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}
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QT_END_NAMESPACE
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