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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 "Utils.hpp"
#include "Variant.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::ARRAY:
return "array";
case Type::MAP:
return "map";
}
return "unknown";
}
Variant::boolType Variant::toBool() const
{
switch (getType()) {
case Type::NULLPTR:
return false;
case Type::BOOL:
return asBool();
case Type::INT:
return asInt() != 0;
case Type::DOUBLE:
return asDouble() != 0.0;
case Type::STRING:
return true;
case Type::ARRAY:
return true;
case Type::MAP:
return true;
}
return false;
}
Variant::intType Variant::toInt() const
{
switch (getType()) {
case Type::NULLPTR:
return 0;
case Type::BOOL:
return asBool() ? 1 : 0;
case Type::INT:
return asInt();
case Type::DOUBLE:
return asDouble();
case Type::STRING:
return 0; // TODO: Parse string as int
case Type::ARRAY: {
const arrayType &a = asArray();
return (a.size() == 1) ? a[0].toInt() : 0;
}
case Type::MAP:
return 0;
}
return false;
}
Variant::doubleType Variant::toDouble() const
{
switch (getType()) {
case Type::NULLPTR:
return 0.0;
case Type::BOOL:
return asBool() ? 1.0 : 0.0;
case Type::INT:
return asInt();
case Type::DOUBLE:
return asDouble();
case Type::STRING:
return 0.0; // TODO: Parse string as double
case Type::ARRAY: {
const arrayType &a = asArray();
return (a.size() == 1) ? a[0].toDouble() : 0;
}
case Type::MAP:
return 0;
}
return false;
}
Variant::stringType Variant::toString(bool escape) const
{
switch (getType()) {
case Type::NULLPTR:
return "null";
case Type::BOOL:
return asBool() ? "true" : "false";
case Type::INT:
return std::to_string(asInt());
case Type::DOUBLE:
return std::to_string(asDouble());
case Type::STRING: {
// TODO: Use proper serialization function
if (escape) {
std::stringstream ss;
ss << "\"" << asString() << "\"";
return ss.str();
} else {
return asString();
}
}
case Type::ARRAY:
return Utils::join(asArray(), ", ", "[", "]");
case Type::MAP:
return Utils::join(asMap(), ", ", "{", "}");
}
return "";
}
}
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