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/*
Actiona
Copyright (C) 2005 Jonathan Mercier-Ganady
Actiona 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 3 of the License, or
(at your option) any later version.
Actiona 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/>.
Contact : jmgr@jmgr.info
*/
#include "algorithms.h"
#include "codetools.h"
#include <QCryptographicHash>
#include <QScriptValueIterator>
#include <cstdlib>
namespace Code
{
QScriptValue Algorithms::constructor(QScriptContext *context, QScriptEngine *engine)
{
return CodeClass::constructor(new Algorithms, context, engine);
}
QScriptValue Algorithms::md4(QScriptContext *context, QScriptEngine *engine)
{
Q_UNUSED(engine)
return QLatin1String(QCryptographicHash::hash(context->argument(0).toString().toUtf8(), QCryptographicHash::Md4).toHex());
}
QScriptValue Algorithms::md5(QScriptContext *context, QScriptEngine *engine)
{
Q_UNUSED(engine)
return QLatin1String(QCryptographicHash::hash(context->argument(0).toString().toUtf8(), QCryptographicHash::Md5).toHex());
}
QScriptValue Algorithms::sha1(QScriptContext *context, QScriptEngine *engine)
{
Q_UNUSED(engine)
return QLatin1String(QCryptographicHash::hash(context->argument(0).toString().toUtf8(), QCryptographicHash::Sha1).toHex());
}
QScriptValue Algorithms::setRandomSeed(QScriptContext *context, QScriptEngine *engine)
{
Q_UNUSED(engine)
qsrand(context->argument(0).toInt32());
return QScriptValue();
}
QScriptValue Algorithms::randomMax(QScriptContext *context, QScriptEngine *engine)
{
Q_UNUSED(context)
Q_UNUSED(engine)
return RAND_MAX;
}
QScriptValue Algorithms::randomInteger(QScriptContext *context, QScriptEngine *engine)
{
Q_UNUSED(engine)
switch(context->argumentCount())
{
case 0:
return qrand();
case 2:
{
int min = context->argument(0).toInt32();
int max = context->argument(1).toInt32();
return randomInteger(min, max);
}
default:
throwError(context, engine, QStringLiteral("ParameterCountError"), tr("Incorrect parameter count"));
return QScriptValue();
}
}
QScriptValue Algorithms::randomFloat(QScriptContext *context, QScriptEngine *engine)
{
Q_UNUSED(engine)
float min = context->argument(0).toNumber();
float max = context->argument(1).toNumber();
return (qrand() / static_cast<float>(RAND_MAX)) * (max - min) + min;
}
QScriptValue Algorithms::randomString(QScriptContext *context, QScriptEngine *engine)
{
Q_UNUSED(engine)
QScriptValueIterator it(context->argument(0));
QString characters = QStringLiteral("abcdefghijklmnopqrstuvwxyz0123456789");
int minLength = 5;
int maxLength = 15;
while(it.hasNext())
{
it.next();
if(it.name() == QLatin1String("characters"))
characters = it.value().toString();
else if(it.name() == QLatin1String("minLength"))
minLength = it.value().toInt32();
else if(it.name() == QLatin1String("maxLength"))
maxLength = it.value().toInt32();
}
QString back;
int charactersLength = characters.length();
int finalLength = randomInteger(minLength, maxLength);
for(int i = 0; i < finalLength; ++i)
{
back += characters.at(randomInteger(0, charactersLength - 1));
}
return back;
}
void Algorithms::registerClass(QScriptEngine *scriptEngine)
{
CodeTools::addClassToScriptEngine<Algorithms>(scriptEngine);
CodeTools::addClassGlobalFunctionToScriptEngine<Algorithms>(&md4, QStringLiteral("md4"), scriptEngine);
CodeTools::addClassGlobalFunctionToScriptEngine<Algorithms>(&md5, QStringLiteral("md5"), scriptEngine);
CodeTools::addClassGlobalFunctionToScriptEngine<Algorithms>(&sha1, QStringLiteral("sha1"), scriptEngine);
CodeTools::addClassGlobalFunctionToScriptEngine<Algorithms>(&setRandomSeed, QStringLiteral("setRandomSeed"), scriptEngine);
CodeTools::addClassGlobalFunctionToScriptEngine<Algorithms>(&randomMax, QStringLiteral("randomMax"), scriptEngine);
CodeTools::addClassGlobalFunctionToScriptEngine<Algorithms>(&randomInteger, QStringLiteral("randomInteger"), scriptEngine);
CodeTools::addClassGlobalFunctionToScriptEngine<Algorithms>(&randomFloat, QStringLiteral("randomFloat"), scriptEngine);
CodeTools::addClassGlobalFunctionToScriptEngine<Algorithms>(&randomString, QStringLiteral("randomString"), scriptEngine);
}
int Algorithms::randomInteger(int min, int max)
{
return static_cast<int>(min + (static_cast<float>(qrand()) / RAND_MAX * (max - min + 1)));
}
}
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