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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the utils 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 <QtCore>
static QString utf8encode(const QByteArray &array) // turns e.g. tranøy.no to tran\xc3\xb8y.no
{
QString result;
result.reserve(array.length() + array.length() / 3);
for (int i = 0; i < array.length(); ++i) {
char c = array.at(i);
// if char is non-ascii, escape it
if (c < 0x20 || uchar(c) >= 0x7f) {
result += "\\x" + QString::number(uchar(c), 16);
} else {
// if previous char was escaped, we need to make sure the next char is not
// interpreted as part of the hex value, e.g. "äc.com" -> "\xabc.com"; this
// should be "\xab""c.com"
QRegExp hexEscape("\\\\x[a-fA-F0-9][a-fA-F0-9]$");
bool isHexChar = ((c >= '0' && c <= '9') ||
(c >= 'a' && c <= 'f') ||
(c >= 'A' && c <= 'F'));
if (result.contains(hexEscape) && isHexChar)
result += "\"\"";
result += c;
}
}
return result;
}
int main(int argc, char **argv) {
QCoreApplication app(argc, argv);
if (argc < 3) {
printf("\nusage: %s inputFile outputFile\n\n", argv[0]);
printf("'inputFile' should be a list of effective TLDs, one per line,\n");
printf("as obtained from http://publicsuffix.org . To create indices and data file\n");
printf("file, do the following:\n\n");
printf(" wget https://publicsuffix.org/list/effective_tld_names.dat -O effective_tld_names.dat\n");
printf(" grep '^[^\\/\\/]' effective_tld_names.dat > effective_tld_names.dat.trimmed\n");
printf(" %s effective_tld_names.dat.trimmed effective_tld_names.dat.qt\n\n", argv[0]);
printf("Now copy the data from effective_tld_names.dat.qt to the file src/corelib/io/qurltlds_p.h in your Qt repo\n\n");
exit(1);
}
QFile file(argv[1]);
QFile outFile(argv[2]);
file.open(QIODevice::ReadOnly);
outFile.open(QIODevice::WriteOnly);
QByteArray outIndicesBufferBA;
QBuffer outIndicesBuffer(&outIndicesBufferBA);
outIndicesBuffer.open(QIODevice::WriteOnly);
QByteArray outDataBufferBA;
QBuffer outDataBuffer(&outDataBufferBA);
outDataBuffer.open(QIODevice::WriteOnly);
int lineCount = 0;
while (!file.atEnd()) {
file.readLine();
lineCount++;
}
file.reset();
QVector<QString> strings(lineCount);
while (!file.atEnd()) {
QString s = QString::fromUtf8(file.readLine());
QString st = s.trimmed();
int num = qt_hash(st) % lineCount;
QString utf8String = utf8encode(st.toUtf8());
// for domain 1.com, we could get something like
// a.com\01.com, which would be interpreted as octal 01,
// so we need to separate those strings with quotes
QRegExp regexpOctalEscape(QLatin1String("^[0-9]"));
if (!strings.at(num).isEmpty() && st.contains(regexpOctalEscape))
strings[num].append("\"\"");
strings[num].append(utf8String);
strings[num].append("\\0");
}
outIndicesBuffer.write("static const quint16 tldCount = ");
outIndicesBuffer.write(QByteArray::number(lineCount));
outIndicesBuffer.write(";\n");
outIndicesBuffer.write("static const quint32 tldIndices[");
// outIndicesBuffer.write(QByteArray::number(lineCount+1)); // not needed
outIndicesBuffer.write("] = {\n");
int totalUtf8Size = 0;
int chunkSize = 0;
int stringUtf8Size = 0;
QStringList chunks;
for (int a = 0; a < lineCount; a++) {
bool lineIsEmpty = strings.at(a).isEmpty();
if (!lineIsEmpty) {
strings[a].prepend("\"");
strings[a].append("\"");
}
int zeroCount = strings.at(a).count(QLatin1String("\\0"));
int utf8CharsCount = strings.at(a).count(QLatin1String("\\x"));
int quoteCount = strings.at(a).count('"');
stringUtf8Size = strings.at(a).count() - (zeroCount + quoteCount + utf8CharsCount * 3);
chunkSize += stringUtf8Size;
if (chunkSize > 65535) {
static int chunkCount = 0;
qWarning() << "chunk" << ++chunkCount << "has length" << chunkSize - stringUtf8Size;
outDataBuffer.write(",\n\n");
chunks.append(QByteArray::number(totalUtf8Size));
chunkSize = 0;
}
outDataBuffer.write(strings.at(a).toUtf8());
if (!lineIsEmpty)
outDataBuffer.write("\n");
outIndicesBuffer.write(QByteArray::number(totalUtf8Size));
outIndicesBuffer.write(",\n");
totalUtf8Size += stringUtf8Size;
}
chunks.append(QByteArray::number(totalUtf8Size));
outIndicesBuffer.write(QByteArray::number(totalUtf8Size));
outIndicesBuffer.write("};\n");
outIndicesBuffer.close();
outFile.write(outIndicesBufferBA);
outDataBuffer.close();
outFile.write("\nstatic const char *tldData[");
// outFile.write(QByteArray::number(charSize)); // not needed
outFile.write("] = {\n");
outFile.write(outDataBufferBA);
outFile.write("};\n");
// write chunk information
outFile.write("\nstatic const quint16 tldChunkCount = ");
outFile.write(QByteArray::number(chunks.count()));
outFile.write(";\nstatic const quint32 tldChunks[] = {");
outFile.write(chunks.join(", ").toLatin1());
outFile.write("};\n");
outFile.close();
printf("data generated to %s . Now copy the data from this file to src/corelib/io/qurltlds_p.h in your Qt repo\n", argv[2]);
exit(0);
}
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