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/*
Ousía
Copyright (C) 2014, 2015 Benjamin Paaßen, Andreas Stöckel
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 3 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 <sstream>
#include <core/managed/Managed.hpp>
#include "Logger.hpp"
#include "Utils.hpp"
#include "Variant.hpp"
#include "VariantConverter.hpp"
#include "VariantWriter.hpp"
namespace ousia {
/* Class Variant::TypeException */
Variant::TypeException::TypeException(Type actualType, Type requestedType)
: OusiaException(std::string("Variant: Requested \"") +
Variant::getTypeName(requestedType) +
std::string("\" but is \"") +
Variant::getTypeName(actualType) + std::string("\"")),
actualType(actualType),
requestedType(requestedType)
{
}
/* Class Variant */
const char *Variant::getTypeName(Type type)
{
switch (type) {
case Type::NULLPTR:
return "null";
case Type::BOOL:
return "boolean";
case Type::INT:
return "integer";
case Type::DOUBLE:
return "double";
case Type::STRING:
return "string";
case Type::MAGIC:
return "magic";
case Type::ARRAY:
return "array";
case Type::MAP:
return "map";
case Type::OBJECT:
return "object";
case Type::FUNCTION:
return "function";
}
return "unknown";
}
Variant::boolType Variant::toBool() const
{
ExceptionLogger logger;
Variant res{*this};
VariantConverter::toBool(res, logger, VariantConverter::Mode::ALL);
return res.asBool();
}
Variant::intType Variant::toInt() const
{
ExceptionLogger logger;
Variant res{*this};
VariantConverter::toInt(res, logger, VariantConverter::Mode::ALL);
return res.asInt();
}
Variant::doubleType Variant::toDouble() const
{
ExceptionLogger logger;
Variant res{*this};
VariantConverter::toDouble(res, logger, VariantConverter::Mode::ALL);
return res.asDouble();
}
Variant::stringType Variant::toString(bool escape) const
{
ExceptionLogger logger;
Variant res{*this};
VariantConverter::toString(res, logger, VariantConverter::Mode::ALL);
return res.asString();
}
/* Output stream operators */
std::ostream &operator<<(std::ostream &os, const Variant &v)
{
VariantWriter::writeJson(v, os, true);
return os;
}
/* Comparison operators */
bool operator<(const Variant &lhs, const Variant &rhs)
{
// If the types do not match, we can not do a meaningful comparison.
if (lhs.getType() != rhs.getType()) {
throw Variant::TypeException(lhs.getType(), rhs.getType());
}
switch (lhs.getType()) {
case Variant::Type::NULLPTR:
return false;
case Variant::Type::BOOL:
return lhs.boolVal < rhs.boolVal;
case Variant::Type::INT:
return lhs.intVal < rhs.intVal;
case Variant::Type::DOUBLE:
return lhs.doubleVal < rhs.doubleVal;
case Variant::Type::MAGIC:
case Variant::Type::STRING:
return lhs.asString() < rhs.asString();
case Variant::Type::ARRAY:
return lhs.asArray() < rhs.asArray();
case Variant::Type::MAP:
return lhs.asMap() < rhs.asMap();
case Variant::Type::OBJECT:
return lhs.asObject().get() < rhs.asObject().get();
case Variant::Type::FUNCTION:
return lhs.asFunction() < rhs.asFunction();
}
throw OusiaException("Internal Error! Unknown type!");
}
bool operator>(const Variant &lhs, const Variant &rhs)
{
return rhs < lhs;
}
bool operator<=(const Variant &lhs, const Variant &rhs)
{
return !(lhs > rhs);
}
bool operator>=(const Variant &lhs, const Variant &rhs)
{
return !(lhs < rhs);
}
bool operator==(const Variant &lhs, const Variant &rhs)
{
if (lhs.getType() != rhs.getType()) {
return false;
}
switch (lhs.getType()) {
case Variant::Type::NULLPTR:
return true;
case Variant::Type::BOOL:
return lhs.boolVal == rhs.boolVal;
case Variant::Type::INT:
return lhs.intVal == rhs.intVal;
case Variant::Type::DOUBLE:
return lhs.doubleVal == rhs.doubleVal;
case Variant::Type::STRING:
case Variant::Type::MAGIC:
return lhs.asString() == rhs.asString();
case Variant::Type::ARRAY:
return lhs.asArray() == rhs.asArray();
case Variant::Type::MAP:
return lhs.asMap() == rhs.asMap();
case Variant::Type::OBJECT:
return lhs.asObject() == rhs.asObject();
case Variant::Type::FUNCTION:
return lhs.asFunction() == rhs.asFunction();
}
throw OusiaException("Internal Error! Unknown type!");
}
bool operator!=(const Variant &lhs, const Variant &rhs)
{
return !(lhs == rhs);
}
}
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