moved to CharReader everywhere

1 files changed, 154 insertions, 0 deletions

diff --git a/src/core/common/Variant.cpp b/src/core/common/Variant.cpp
new file mode 100644
index 0000000..27fc6e7
--- /dev/null
+++ b/src/core/common/Variant.cpp
@@ -0,0 +1,154 @@
+/*
+    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
+			std::stringstream ss;
+			ss << "\"" << asString() << "\"";
+			return ss.str();
+		}
+		case Type::ARRAY:
+			return Utils::join(asArray(), ", ", "[", "]");
+		case Type::MAP:
+			return Utils::join(asMap(), ", ", "{", "}");
+	}
+	return "";
+}
+
+}
+