diff options
Diffstat (limited to 'src/corelib/mimetypes/qmimetypeparser.cpp')
| -rw-r--r-- | src/corelib/mimetypes/qmimetypeparser.cpp | 147 |
1 files changed, 64 insertions, 83 deletions
diff --git a/src/corelib/mimetypes/qmimetypeparser.cpp b/src/corelib/mimetypes/qmimetypeparser.cpp index ff9936d335..3f1e53b25d 100644 --- a/src/corelib/mimetypes/qmimetypeparser.cpp +++ b/src/corelib/mimetypes/qmimetypeparser.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #define QT_NO_CAST_FROM_ASCII @@ -53,6 +17,8 @@ QT_BEGIN_NAMESPACE +using namespace Qt::StringLiterals; + // XML tags in MIME files static const char mimeInfoTagC[] = "mime-info"; static const char mimeTypeTagC[] = "mime-type"; @@ -112,13 +78,13 @@ QMimeTypeParserBase::ParseState QMimeTypeParserBase::nextState(ParseState curren { switch (currentState) { case ParseBeginning: - if (startElement == QLatin1String(mimeInfoTagC)) + if (startElement == QLatin1StringView(mimeInfoTagC)) return ParseMimeInfo; - if (startElement == QLatin1String(mimeTypeTagC)) + if (startElement == QLatin1StringView(mimeTypeTagC)) return ParseMimeType; return ParseError; case ParseMimeInfo: - return startElement == QLatin1String(mimeTypeTagC) ? ParseMimeType : ParseError; + return startElement == QLatin1StringView(mimeTypeTagC) ? ParseMimeType : ParseError; case ParseMimeType: case ParseComment: case ParseGenericIcon: @@ -129,29 +95,29 @@ QMimeTypeParserBase::ParseState QMimeTypeParserBase::nextState(ParseState curren case ParseAlias: case ParseOtherMimeTypeSubTag: case ParseMagicMatchRule: - if (startElement == QLatin1String(mimeTypeTagC)) // Sequence of <mime-type> + if (startElement == QLatin1StringView(mimeTypeTagC)) // Sequence of <mime-type> return ParseMimeType; - if (startElement == QLatin1String(commentTagC)) + if (startElement == QLatin1StringView(commentTagC)) return ParseComment; - if (startElement == QLatin1String(genericIconTagC)) + if (startElement == QLatin1StringView(genericIconTagC)) return ParseGenericIcon; - if (startElement == QLatin1String(iconTagC)) + if (startElement == QLatin1StringView(iconTagC)) return ParseIcon; - if (startElement == QLatin1String(globTagC)) + if (startElement == QLatin1StringView(globTagC)) return ParseGlobPattern; - if (startElement == QLatin1String(globDeleteAllTagC)) + if (startElement == QLatin1StringView(globDeleteAllTagC)) return ParseGlobDeleteAll; - if (startElement == QLatin1String(subClassTagC)) + if (startElement == QLatin1StringView(subClassTagC)) return ParseSubClass; - if (startElement == QLatin1String(aliasTagC)) + if (startElement == QLatin1StringView(aliasTagC)) return ParseAlias; - if (startElement == QLatin1String(magicTagC)) + if (startElement == QLatin1StringView(magicTagC)) return ParseMagic; - if (startElement == QLatin1String(matchTagC)) + if (startElement == QLatin1StringView(matchTagC)) return ParseMagicMatchRule; return ParseOtherMimeTypeSubTag; case ParseMagic: - if (startElement == QLatin1String(matchTagC)) + if (startElement == QLatin1StringView(matchTagC)) return ParseMagicMatchRule; break; case ParseError: @@ -167,13 +133,13 @@ bool QMimeTypeParserBase::parseNumber(QStringView n, int *target, QString *error *target = n.toInt(&ok); if (Q_UNLIKELY(!ok)) { if (errorMessage) - *errorMessage = QLatin1String("Not a number '") + n + QLatin1String("'."); + *errorMessage = "Not a number '"_L1 + n + "'."_L1; return false; } return true; } -#ifndef QT_NO_XMLSTREAMREADER +#if QT_CONFIG(xmlstreamreader) struct CreateMagicMatchRuleResult { QString errorMessage; // must be first @@ -188,24 +154,18 @@ struct CreateMagicMatchRuleResult static CreateMagicMatchRuleResult createMagicMatchRule(const QXmlStreamAttributes &atts) { - const auto type = atts.value(QLatin1String(matchTypeAttributeC)); - const auto value = atts.value(QLatin1String(matchValueAttributeC)); - const auto offsets = atts.value(QLatin1String(matchOffsetAttributeC)); - const auto mask = atts.value(QLatin1String(matchMaskAttributeC)); + const auto type = atts.value(QLatin1StringView(matchTypeAttributeC)); + const auto value = atts.value(QLatin1StringView(matchValueAttributeC)); + const auto offsets = atts.value(QLatin1StringView(matchOffsetAttributeC)); + const auto mask = atts.value(QLatin1StringView(matchMaskAttributeC)); return CreateMagicMatchRuleResult(type, value, offsets, mask); } -#endif +#endif // feature xmlstreamreader bool QMimeTypeParserBase::parse(QIODevice *dev, const QString &fileName, QString *errorMessage) { -#ifdef QT_NO_XMLSTREAMREADER - Q_UNUSED(dev); - if (errorMessage) - *errorMessage = QString::fromLatin1("QXmlStreamReader is not available, cannot parse '%1'.").arg(fileName); - return false; -#else - QMimeTypePrivate data; - data.loaded = true; +#if QT_CONFIG(xmlstreamreader) + QMimeTypeXMLData data; int priority = 50; QStack<QMimeMagicRule *> currentRules; // stack for the nesting of rules QList<QMimeMagicRule> rules; // toplevel rules @@ -218,7 +178,7 @@ bool QMimeTypeParserBase::parse(QIODevice *dev, const QString &fileName, QString const QXmlStreamAttributes atts = reader.attributes(); switch (ps) { case ParseMimeType: { // start parsing a MIME type name - const QString name = atts.value(QLatin1String(mimeTypeAttributeC)).toString(); + const QString name = atts.value(QLatin1StringView(mimeTypeAttributeC)).toString(); if (name.isEmpty()) { reader.raiseError(QStringLiteral("Missing 'type'-attribute")); } else { @@ -227,15 +187,15 @@ bool QMimeTypeParserBase::parse(QIODevice *dev, const QString &fileName, QString } break; case ParseGenericIcon: - data.genericIconName = atts.value(QLatin1String(nameAttributeC)).toString(); + data.genericIconName = atts.value(QLatin1StringView(nameAttributeC)).toString(); break; case ParseIcon: - data.iconName = atts.value(QLatin1String(nameAttributeC)).toString(); + data.iconName = atts.value(QLatin1StringView(nameAttributeC)).toString(); break; case ParseGlobPattern: { - const QString pattern = atts.value(QLatin1String(patternAttributeC)).toString(); - unsigned weight = atts.value(QLatin1String(weightAttributeC)).toInt(); - const bool caseSensitive = atts.value(QLatin1String(caseSensitiveAttributeC)) == QLatin1String("true"); + const QString pattern = atts.value(QLatin1StringView(patternAttributeC)).toString(); + unsigned weight = atts.value(QLatin1StringView(weightAttributeC)).toInt(); + const bool caseSensitive = atts.value(QLatin1StringView(caseSensitiveAttributeC)) == "true"_L1; if (weight == 0) weight = QMimeGlobPattern::DefaultWeight; @@ -249,16 +209,17 @@ bool QMimeTypeParserBase::parse(QIODevice *dev, const QString &fileName, QString break; case ParseGlobDeleteAll: data.globPatterns.clear(); + data.hasGlobDeleteAll = true; break; case ParseSubClass: { - const QString inheritsFrom = atts.value(QLatin1String(mimeTypeAttributeC)).toString(); + const QString inheritsFrom = atts.value(QLatin1StringView(mimeTypeAttributeC)).toString(); if (!inheritsFrom.isEmpty()) processParent(data.name, inheritsFrom); } break; case ParseComment: { // comments have locale attributes. - QString locale = atts.value(QLatin1String(localeAttributeC)).toString(); + QString locale = atts.value(QLatin1StringView(localeAttributeC)).toString(); const QString comment = reader.readElementText(); if (locale.isEmpty()) locale = QString::fromLatin1("default"); @@ -266,14 +227,14 @@ bool QMimeTypeParserBase::parse(QIODevice *dev, const QString &fileName, QString } break; case ParseAlias: { - const QString alias = atts.value(QLatin1String(mimeTypeAttributeC)).toString(); + const QString alias = atts.value(QLatin1StringView(mimeTypeAttributeC)).toString(); if (!alias.isEmpty()) processAlias(alias, data.name); } break; case ParseMagic: { priority = 50; - const auto priorityS = atts.value(QLatin1String(priorityAttributeC)); + const auto priorityS = atts.value(QLatin1StringView(priorityAttributeC)); if (!priorityS.isEmpty()) { if (!parseNumber(priorityS, &priority, errorMessage)) return false; @@ -299,7 +260,7 @@ bool QMimeTypeParserBase::parse(QIODevice *dev, const QString &fileName, QString break; } case ParseError: - reader.raiseError(QLatin1String("Unexpected element <") + reader.name() + QLatin1Char('>')); + reader.raiseError("Unexpected element <"_L1 + reader.name() + u'>'); break; default: break; @@ -310,15 +271,15 @@ bool QMimeTypeParserBase::parse(QIODevice *dev, const QString &fileName, QString case QXmlStreamReader::EndElement: // Finished element { const auto elementName = reader.name(); - if (elementName == QLatin1String(mimeTypeTagC)) { - if (!process(QMimeType(data), errorMessage)) + if (elementName == QLatin1StringView(mimeTypeTagC)) { + if (!process(data, errorMessage)) return false; data.clear(); - } else if (elementName == QLatin1String(matchTagC)) { + } else if (elementName == QLatin1StringView(matchTagC)) { // Closing a <match> tag, pop stack currentRules.pop(); //qDebug() << " MATCH closed. Stack size is now" << currentRules.size(); - } else if (elementName == QLatin1String(magicTagC)) { + } else if (elementName == QLatin1StringView(magicTagC)) { //qDebug() << "MAGIC ended, we got" << rules.count() << "rules, with prio" << priority; // Finished a <magic> sequence QMimeMagicRuleMatcher ruleMatcher(data.name, priority); @@ -344,7 +305,27 @@ bool QMimeTypeParserBase::parse(QIODevice *dev, const QString &fileName, QString } return true; -#endif //QT_NO_XMLSTREAMREADER +#else + Q_UNUSED(dev); + if (errorMessage) + *errorMessage = "QXmlStreamReader is not available, cannot parse '%1'."_L1.arg(fileName); + return false; +#endif // feature xmlstreamreader +} + +void QMimeTypeXMLData::clear() +{ + hasGlobDeleteAll = false; + name.clear(); + localeComments.clear(); + genericIconName.clear(); + iconName.clear(); + globPatterns.clear(); +} + +void QMimeTypeXMLData::addGlobPattern(const QString &pattern) +{ + globPatterns.append(pattern); } QT_END_NAMESPACE |