diff options
Diffstat (limited to 'tools/qmlcachegen/resourcefilter.cpp')
| -rw-r--r-- | tools/qmlcachegen/resourcefilter.cpp | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/tools/qmlcachegen/resourcefilter.cpp b/tools/qmlcachegen/resourcefilter.cpp new file mode 100644 index 0000000000..261102dcbe --- /dev/null +++ b/tools/qmlcachegen/resourcefilter.cpp @@ -0,0 +1,172 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQml module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** 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 General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** 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-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include <QString> +#include <QXmlStreamReader> +#include <QFile> +#include <QDir> + +int filterResourceFile(const QString &input, const QString &output) +{ + enum State { + InitialState, + InRCC, + InResource, + InFile + }; + State state = InitialState; + + QString prefix; + QString currentFileName; + QXmlStreamAttributes fileAttributes; + + QFile file(input); + if (!file.open(QIODevice::ReadOnly)) { + fprintf(stderr, "Cannot open %s for reading.\n", qPrintable(input)); + return EXIT_FAILURE; + } + + QDir inputDirectory = QFileInfo(file).absoluteDir(); + QDir outputDirectory = QFileInfo(output).absoluteDir(); + + QString outputString; + QXmlStreamWriter writer(&outputString); + writer.setAutoFormatting(true); + + QXmlStreamReader reader(&file); + while (!reader.atEnd()) { + switch (reader.readNext()) { + case QXmlStreamReader::StartDocument: { + QStringRef version = reader.documentVersion(); + if (!version.isEmpty()) + writer.writeStartDocument(version.toString()); + else + writer.writeStartDocument(); + break; + } + case QXmlStreamReader::EndDocument: + writer.writeEndDocument(); + break; + case QXmlStreamReader::StartElement: + if (reader.name() == QStringLiteral("RCC")) { + if (state != InitialState) { + fprintf(stderr, "Unexpected RCC tag in line %d\n", int(reader.lineNumber())); + return EXIT_FAILURE; + } + state = InRCC; + } else if (reader.name() == QStringLiteral("qresource")) { + if (state != InRCC) { + fprintf(stderr, "Unexpected qresource tag in line %d\n", int(reader.lineNumber())); + return EXIT_FAILURE; + } + state = InResource; + QXmlStreamAttributes attributes = reader.attributes(); + if (attributes.hasAttribute(QStringLiteral("prefix"))) + prefix = attributes.value(QStringLiteral("prefix")).toString(); + if (!prefix.startsWith(QLatin1Char('/'))) + prefix.prepend(QLatin1Char('/')); + if (!prefix.endsWith(QLatin1Char('/'))) + prefix.append(QLatin1Char('/')); + } else if (reader.name() == QStringLiteral("file")) { + if (state != InResource) { + fprintf(stderr, "Unexpected file tag in line %d\n", int(reader.lineNumber())); + return EXIT_FAILURE; + } + state = InFile; + fileAttributes = reader.attributes(); + continue; + } + writer.writeStartElement(reader.name().toString()); + writer.writeAttributes(reader.attributes()); + continue; + + case QXmlStreamReader::EndElement: + if (reader.name() == QStringLiteral("file")) { + if (state != InFile) { + fprintf(stderr, "Unexpected end of file tag in line %d\n", int(reader.lineNumber())); + return EXIT_FAILURE; + } + state = InResource; + continue; + } else if (reader.name() == QStringLiteral("qresource")) { + if (state != InResource) { + fprintf(stderr, "Unexpected end of qresource tag in line %d\n", int(reader.lineNumber())); + return EXIT_FAILURE; + } + state = InRCC; + } else if (reader.name() == QStringLiteral("RCC")) { + if (state != InRCC) { + fprintf(stderr, "Unexpected end of RCC tag in line %d\n", int(reader.lineNumber())); + return EXIT_FAILURE; + } + state = InitialState; + } + writer.writeEndElement(); + continue; + + case QXmlStreamReader::Characters: + if (reader.isWhitespace()) + break; + if (state != InFile) + return EXIT_FAILURE; + currentFileName = reader.text().toString(); + if (currentFileName.isEmpty()) + continue; + + writer.writeStartElement(QStringLiteral("file")); + + if (!fileAttributes.hasAttribute(QStringLiteral("alias"))) + fileAttributes.append(QStringLiteral("alias"), currentFileName); + + currentFileName = inputDirectory.absoluteFilePath(currentFileName); + currentFileName = outputDirectory.relativeFilePath(currentFileName); + + writer.writeAttributes(fileAttributes); + writer.writeCharacters(currentFileName); + writer.writeEndElement(); + continue; + + default: break; + } + } + + QFile outputFile(output); + if (!outputFile.open(QIODevice::WriteOnly | QIODevice::Truncate)) { + fprintf(stderr, "Cannot open %s for writing.\n", qPrintable(output)); + return EXIT_FAILURE; + } + const QByteArray outputStringUtf8 = outputString.toUtf8(); + if (outputFile.write(outputStringUtf8) != outputStringUtf8.size()) + return EXIT_FAILURE; + + outputFile.close(); + if (outputFile.error() != QFileDevice::NoError) + return EXIT_FAILURE; + + + return EXIT_SUCCESS; +} |