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/*
* Qt implementation of OpenWnn library
* This file is part of the Qt Virtual Keyboard module.
* Contact: http://www.qt.io/licensing/
*
* Copyright (C) 2017 The Qt Company
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "wnnlookuptable.h"
#include <qalgorithms.h>
#if WNN_LOOKUP_TABLE_CREATE
#include <QFile>
#endif
WnnLookupTable::WnnLookupTable(const char **keys, const char **values, const int length) :
keys(keys),
values(values),
length(length)
{
}
const QString WnnLookupTable::value(const QString &what) const
{
const char **key = qBinaryFind(keys, keys + length, what.toUtf8().constData(),
[] (const char *lhs, const char *rhs) { return strcmp(lhs, rhs) < 0; });
int index = key - keys;
if (index == length)
return QString();
return QString::fromUtf8(values[index]);
}
#if WNN_LOOKUP_TABLE_CREATE
void WnnLookupTable::create(const QMap<QString, QString> &map, const QString &tablePrefix, const QString &fileName)
{
QFile file(fileName);
if (file.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate)) {
QList<QString> keys = map.keys();
std::sort(keys.begin(), keys.end(), [] (const QString &lhs, const QString &rhs) {
return strcmp(lhs.toUtf8().constData(), rhs.toUtf8().constData()) < 0;
});
file.write(QString("static const int %1Length = %2;\n").arg(tablePrefix).arg(keys.count()).toUtf8().constData());
file.write(QString("static const char *%1Key[%1Length];\n").arg(tablePrefix).toUtf8().constData());
file.write(QString("static const char *%1Value[%1Length];\n").arg(tablePrefix).toUtf8().constData());
file.write(QString("const char *%1Key[] = {\n").arg(tablePrefix).toUtf8().constData());
int c = 0;
for (const QString &key : keys) {
if (c > 0 && c % 16 != 0)
file.write(", ");
file.write("\"");
QString escaped = QString(key).replace("\\", "\\\\").replace("'", "\\'").replace("\"", "\\\"");
file.write(escaped.toUtf8().constData());
file.write("\"");
c++;
if (c % 16 == 0)
file.write(",\n");
}
file.write("\n};\n");
file.write(QString("const char *%1Value[] = {\n").arg(tablePrefix).toUtf8().constData());
c = 0;
for (const QString &key : keys) {
if (c > 0 && c % 16 != 0)
file.write(", ");
file.write("\"");
QString escaped = QString(map.value(key)).replace("\\", "\\\\").replace("'", "\\'").replace("\"", "\\\"");
file.write(escaped.toUtf8().constData());
file.write("\"");
c++;
if (c % 16 == 0)
file.write(",\n");
}
file.write("\n};\n");
}
}
#endif
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