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-rw-r--r--src/qml/qml/qqmldirparser.cpp298
1 files changed, 298 insertions, 0 deletions
diff --git a/src/qml/qml/qqmldirparser.cpp b/src/qml/qml/qqmldirparser.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qqmldirparser_p.h"
+#include "qqmlerror.h"
+#include "qqmlglobal_p.h"
+
+#include <QtCore/QTextStream>
+#include <QtCore/QFile>
+#include <QtCore/QtDebug>
+
+QT_BEGIN_NAMESPACE
+
+QQmlDirParser::QQmlDirParser()
+ : _isParsed(false)
+{
+}
+
+QQmlDirParser::~QQmlDirParser()
+{
+}
+
+QUrl QQmlDirParser::url() const
+{
+ return _url;
+}
+
+void QQmlDirParser::setUrl(const QUrl &url)
+{
+ _url = url;
+}
+
+QString QQmlDirParser::fileSource() const
+{
+ return _filePathSouce;
+}
+
+void QQmlDirParser::setFileSource(const QString &filePath)
+{
+ _filePathSouce = filePath;
+}
+
+QString QQmlDirParser::source() const
+{
+ return _source;
+}
+
+void QQmlDirParser::setSource(const QString &source)
+{
+ _isParsed = false;
+ _source = source;
+}
+
+bool QQmlDirParser::isParsed() const
+{
+ return _isParsed;
+}
+
+bool QQmlDirParser::parse()
+{
+ if (_isParsed)
+ return true;
+
+ _isParsed = true;
+ _errors.clear();
+ _plugins.clear();
+ _components.clear();
+ _scripts.clear();
+
+ if (_source.isEmpty() && !_filePathSouce.isEmpty()) {
+ QFile file(_filePathSouce);
+ if (!QQml_isFileCaseCorrect(_filePathSouce)) {
+ QQmlError error;
+ error.setDescription(QString::fromUtf8("cannot load module \"$$URI$$\": File name case mismatch for \"%1\"").arg(_filePathSouce));
+ _errors.prepend(error);
+ return false;
+ } else if (file.open(QFile::ReadOnly)) {
+ _source = QString::fromUtf8(file.readAll());
+ } else {
+ QQmlError error;
+ error.setDescription(QString::fromUtf8("module \"$$URI$$\" definition \"%1\" not readable").arg(_filePathSouce));
+ _errors.prepend(error);
+ return false;
+ }
+ }
+
+ QTextStream stream(&_source);
+ int lineNumber = 0;
+
+ forever {
+ ++lineNumber;
+
+ const QString line = stream.readLine();
+ if (line.isNull())
+ break;
+
+ QString sections[3];
+ int sectionCount = 0;
+
+ int index = 0;
+ const int length = line.length();
+
+ while (index != length) {
+ const QChar ch = line.at(index);
+
+ if (ch.isSpace()) {
+ do { ++index; }
+ while (index != length && line.at(index).isSpace());
+
+ } else if (ch == QLatin1Char('#')) {
+ // recognized a comment
+ break;
+
+ } else {
+ const int start = index;
+
+ do { ++index; }
+ while (index != length && !line.at(index).isSpace());
+
+ const QString lexeme = line.mid(start, index - start);
+
+ if (sectionCount >= 3) {
+ reportError(lineNumber, start, QLatin1String("unexpected token"));
+
+ } else {
+ sections[sectionCount++] = lexeme;
+ }
+ }
+ }
+
+ if (sectionCount == 0) {
+ continue; // no sections, no party.
+
+ } else if (sections[0] == QLatin1String("plugin")) {
+ if (sectionCount < 2) {
+ reportError(lineNumber, -1,
+ QString::fromUtf8("plugin directive requires one or two arguments, but %1 were provided").arg(sectionCount - 1));
+
+ continue;
+ }
+
+ const Plugin entry(sections[1], sections[2]);
+
+ _plugins.append(entry);
+
+ } else if (sections[0] == QLatin1String("internal")) {
+ if (sectionCount != 3) {
+ reportError(lineNumber, -1,
+ QString::fromUtf8("internal types require 2 arguments, but %1 were provided").arg(sectionCount - 1));
+ continue;
+ }
+ Component entry(sections[1], sections[2], -1, -1);
+ entry.internal = true;
+ _components.append(entry);
+ } else if (sections[0] == QLatin1String("typeinfo")) {
+ if (sectionCount != 2) {
+ reportError(lineNumber, -1,
+ QString::fromUtf8("typeinfo requires 1 argument, but %1 were provided").arg(sectionCount - 1));
+ continue;
+ }
+#ifdef QT_CREATOR
+ TypeInfo typeInfo(sections[1]);
+ _typeInfos.append(typeInfo);
+#endif
+
+ } else if (sectionCount == 2) {
+ // No version specified (should only be used for relative qmldir files)
+ const Component entry(sections[0], sections[1], -1, -1);
+ _components.append(entry);
+ } else if (sectionCount == 3) {
+ const QString &version = sections[1];
+ const int dotIndex = version.indexOf(QLatin1Char('.'));
+
+ if (dotIndex == -1) {
+ reportError(lineNumber, -1, QLatin1String("expected '.'"));
+ } else if (version.indexOf(QLatin1Char('.'), dotIndex + 1) != -1) {
+ reportError(lineNumber, -1, QLatin1String("unexpected '.'"));
+ } else {
+ bool validVersionNumber = false;
+ const int majorVersion = version.left(dotIndex).toInt(&validVersionNumber);
+
+ if (validVersionNumber) {
+ const int minorVersion = version.mid(dotIndex + 1).toInt(&validVersionNumber);
+
+ if (validVersionNumber) {
+ const QString &fileName = sections[2];
+
+ if (fileName.endsWith(QLatin1String(".js"))) {
+ // A 'js' extension indicates a namespaced script import
+ const Script entry(sections[0], fileName, majorVersion, minorVersion);
+ _scripts.append(entry);
+ } else {
+ const Component entry(sections[0], fileName, majorVersion, minorVersion);
+ _components.append(entry);
+ }
+ }
+ }
+ }
+ } else {
+ reportError(lineNumber, -1,
+ QString::fromUtf8("a component declaration requires two or three arguments, but %1 were provided").arg(sectionCount));
+ }
+ }
+
+ return hasError();
+}
+
+void QQmlDirParser::reportError(int line, int column, const QString &description)
+{
+ QQmlError error;
+ error.setUrl(_url);
+ error.setLine(line);
+ error.setColumn(column);
+ error.setDescription(description);
+ _errors.append(error);
+}
+
+bool QQmlDirParser::hasError() const
+{
+ if (! _errors.isEmpty())
+ return true;
+
+ return false;
+}
+
+QList<QQmlError> QQmlDirParser::errors(const QString &uri) const
+{
+ QList<QQmlError> errors = _errors;
+ for (int i = 0; i < errors.size(); ++i) {
+ QQmlError &e = errors[i];
+ QString description = e.description();
+ description.replace(QLatin1String("$$URI$$"), uri);
+ e.setDescription(description);
+ }
+ return errors;
+}
+
+QList<QQmlDirParser::Plugin> QQmlDirParser::plugins() const
+{
+ return _plugins;
+}
+
+QList<QQmlDirParser::Component> QQmlDirParser::components() const
+{
+ return _components;
+}
+
+QList<QQmlDirParser::Script> QQmlDirParser::scripts() const
+{
+ return _scripts;
+}
+
+#ifdef QT_CREATOR
+QList<QQmlDirParser::TypeInfo> QQmlDirParser::typeInfos() const
+{
+ return _typeInfos;
+}
+#endif
+
+QT_END_NAMESPACE
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