kde-extraapps/kdeplasma-addons/runners/converter/converterrunner.cpp
Ivailo Monev a4043a10b0 kdeplasma-addons: converter runner string correction
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2022-09-22 13:39:37 +03:00

307 lines
10 KiB
C++

/*
* Copyright (C) 2007,2008 Petri Damstén <damu@iki.fi>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "converterrunner.h"
#include <QApplication>
#include <QClipboard>
#include <QSet>
#include <KIcon>
#include <KDebug>
#include <KToolInvocation>
#include <kunitconversion.h>
#define CONVERSION_CHAR QLatin1Char( '>' )
class StringParser
{
public:
enum GetType
{
GetString = 1,
GetDigit = 2
};
StringParser(const QString &s) : m_index(0), m_s(s) {};
~StringParser() {};
QString get(int type)
{
QChar current;
QString result;
passWhiteSpace();
while (true) {
current = next();
if (current.isNull()) {
break;
}
if (current.isSpace()) {
break;
}
bool number = isNumber(current);
if (type == GetDigit && !number) {
break;
}
if (type == GetString && number) {
break;
}
if (current == QLatin1Char(CONVERSION_CHAR)) {
break;
}
++m_index;
result += current;
}
return result;
}
bool isNumber(const QChar &ch)
{
if (ch.isNumber()) {
return true;
}
if (QString(QLatin1String( ".,-+" )).contains( ch )) {
return true;
}
return false;
}
QString rest()
{
return m_s.mid(m_index).simplified();
}
void pass(const QStringList &strings)
{
passWhiteSpace();
const QString temp = m_s.mid(m_index);
foreach (const QString& s, strings) {
if (temp.startsWith(s)) {
m_index += s.length();
return;
}
}
}
private:
void passWhiteSpace()
{
while (next().isSpace()) {
++m_index;
}
}
QChar next()
{
if (m_index >= m_s.size()) {
return QChar();
}
return m_s.at(m_index);
}
int m_index;
QString m_s;
};
ConverterRunner::ConverterRunner(QObject* parent, const QVariantList &args)
: Plasma::AbstractRunner(parent, args)
{
Q_UNUSED(args)
setObjectName(QLatin1String( "Converter" ));
m_separators << QString( CONVERSION_CHAR );
m_separators << i18nc("list of words that can be used as amount of 'unit1' [in|to|as] 'unit2'",
"in;to;as").split(QLatin1Char( ';' ));
//can not ignore commands: we have things like m4
setIgnoredTypes(Plasma::RunnerContext::Directory | Plasma::RunnerContext::File |
Plasma::RunnerContext::NetworkLocation);
QString description = i18n("Converts the value of :q: when :q: is made up of "
"\"value unit [>, to, as, in] unit\". You can use the "
"Unit converter applet to find all available units.");
addSyntax(Plasma::RunnerSyntax(QLatin1String(":q:"), description));
}
ConverterRunner::~ConverterRunner()
{
}
void ConverterRunner::match(Plasma::RunnerContext &context)
{
const QString term = context.query();
if (term.size() < 2) {
return;
}
StringParser cmd(term);
QString unit1;
QString value;
QString unit2;
unit1 = cmd.get(StringParser::GetString);
value = cmd.get(StringParser::GetDigit);
if (value.isEmpty()) {
return;
}
if (unit1.isEmpty()) {
unit1 = cmd.get(StringParser::GetString | StringParser::GetDigit);
if (unit1.isEmpty()) {
return;
}
}
const QString s = cmd.get(StringParser::GetString);
if (!s.isEmpty() && !m_separators.contains(s)) {
unit1 += QLatin1Char(' ') + s;
}
if (s.isEmpty() || !m_separators.contains(s)) {
cmd.pass(m_separators);
}
unit2 = cmd.rest();
const double unit1value = value.toDouble();
// qDebug() << Q_FUNC_INFO << unit1 << unit2 << unit1value;
KTemperature temp(unit1value, unit1);
if (temp.unitEnum() != KTemperature::Invalid) {
KTemperature temp2(0.0, unit2);
if (temp2.unitEnum() != KTemperature::Invalid) {
const double result = temp.convertTo(temp2.unitEnum());
Plasma::QueryMatch match(this);
match.setType(Plasma::QueryMatch::InformationalMatch);
match.setIcon(KIcon(QLatin1String("edit-copy")));
match.setText(QString::fromLatin1("%1 (%2)").arg(QString::number(result), temp2.unit()));
match.setData(result);
context.addMatch(term, match);
return;
}
for (int i = 0; i < KTemperature::UnitCount; i++) {
KTemperature itemp(0.0, static_cast<KTemperature::KTempUnit>(i));
if (itemp.unitEnum() == temp.unitEnum()) {
continue;
}
const double result = temp.convertTo(itemp.unitEnum());
Plasma::QueryMatch match(this);
match.setType(Plasma::QueryMatch::PossibleMatch);
match.setIcon(KIcon(QLatin1String("edit-copy")));
match.setText(QString::fromLatin1("%1 (%2)").arg(QString::number(result), itemp.unit()));
match.setData(result);
context.addMatch(term, match);
}
return;
}
KVelocity velo(unit1value, unit1);
if (velo.unitEnum() != KVelocity::Invalid) {
KVelocity velo2(0.0, unit2);
if (velo2.unitEnum() != KVelocity::Invalid) {
const double result = velo.convertTo(velo2.unitEnum());
Plasma::QueryMatch match(this);
match.setType(Plasma::QueryMatch::InformationalMatch);
match.setIcon(KIcon(QLatin1String("edit-copy")));
match.setText(QString::fromLatin1("%1 (%2)").arg(QString::number(result), velo2.unit()));
match.setData(result);
context.addMatch(term, match);
return;
}
for (int i = 0; i < KVelocity::UnitCount; i++) {
KVelocity ivelo(0.0, static_cast<KVelocity::KVeloUnit>(i));
if (ivelo.unitEnum() == velo.unitEnum()) {
continue;
}
const double result = velo.convertTo(ivelo.unitEnum());
Plasma::QueryMatch match(this);
match.setType(Plasma::QueryMatch::PossibleMatch);
match.setIcon(KIcon(QLatin1String("edit-copy")));
match.setText(QString::fromLatin1("%1 (%2)").arg(QString::number(result), ivelo.unit()));
match.setData(result);
context.addMatch(term, match);
}
return;
}
KPressure pres(unit1value, unit1);
if (pres.unitEnum() != KPressure::Invalid) {
KPressure pres2(0.0, unit2);
if (pres2.unitEnum() != KPressure::Invalid) {
const double result = pres.convertTo(pres2.unitEnum());
Plasma::QueryMatch match(this);
match.setType(Plasma::QueryMatch::InformationalMatch);
match.setIcon(KIcon(QLatin1String("edit-copy")));
match.setText(QString::fromLatin1("%1 (%2)").arg(QString::number(result), pres2.unit()));
match.setData(result);
context.addMatch(term, match);
return;
}
for (int i = 0; i < KPressure::UnitCount; i++) {
KPressure ipres(0.0, static_cast<KPressure::KPresUnit>(i));
if (ipres.unitEnum() == pres.unitEnum()) {
continue;
}
const double result = pres.convertTo(ipres.unitEnum());
Plasma::QueryMatch match(this);
match.setType(Plasma::QueryMatch::PossibleMatch);
match.setIcon(KIcon(QLatin1String("edit-copy")));
match.setText(QString::fromLatin1("%1 (%2)").arg(QString::number(result), ipres.unit()));
match.setData(result);
context.addMatch(term, match);
}
return;
}
KLength leng(unit1value, unit1);
if (leng.unitEnum() != KLength::Invalid) {
KLength leng2(0.0, unit2);
if (leng2.unitEnum() != KLength::Invalid) {
const double result = leng.convertTo(leng2.unitEnum());
Plasma::QueryMatch match(this);
match.setType(Plasma::QueryMatch::InformationalMatch);
match.setIcon(KIcon(QLatin1String("edit-copy")));
match.setText(QString::fromLatin1("%1 (%2)").arg(QString::number(result), leng2.unit()));
match.setData(result);
context.addMatch(term, match);
return;
}
for (int i = 0; i < KLength::UnitCount; i++) {
KLength ileng(0.0, static_cast<KLength::KLengUnit>(i));
if (ileng.unitEnum() == leng.unitEnum()) {
continue;
}
const double result = leng.convertTo(ileng.unitEnum());
Plasma::QueryMatch match(this);
match.setType(Plasma::QueryMatch::PossibleMatch);
match.setIcon(KIcon(QLatin1String("edit-copy")));
match.setText(QString::fromLatin1("%1 (%2)").arg(QString::number(result), ileng.unit()));
match.setData(result);
context.addMatch(term, match);
}
}
}
void ConverterRunner::run(const Plasma::RunnerContext &context, const Plasma::QueryMatch &match)
{
Q_UNUSED(context)
#warning TODO: notify the user that the data has been copied to the clipboard
// other runners silently do the same (e.g. spellcheck), how would the user know what just happened?
const QString data = match.data().toString();
QApplication::clipboard()->setText(data);
}
#include "moc_converterrunner.cpp"