moved to CharReader everywhere

1 files changed, 0 insertions, 766 deletions

diff --git a/src/core/variant/Variant.hpp b/src/core/variant/Variant.hpp
deleted file mode 100644
index 1e62644..0000000
--- a/src/core/variant/Variant.hpp
+++ /dev/null
@@ -1,766 +0,0 @@
-/*
-    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/>.
-*/
-
-/**
- * @file Variant.hpp
- *
- * The Variant class is used to efficiently represent a variables of varying
- * type. Variant instances are used to represent data given by the end user and
- * to exchange information between the host application and the script clients.
- *
- * @author Andreas Stöckel (astoecke@techfak.uni-bielefeld.de)
- */
-
-#ifndef _OUSIA_VARIANT_HPP_
-#define _OUSIA_VARIANT_HPP_
-
-#include <cstdint>
-#include <map>
-#include <string>
-#include <vector>
-#include <ostream>
-
-// TODO: Use
-// http://nikic.github.io/2012/02/02/Pointer-magic-for-efficient-dynamic-value-representations.html
-// later (will allow to use 8 bytes for a variant)
-
-#include <core/Exceptions.hpp>
-
-namespace ousia {
-namespace variant {
-
-/**
- * Instances of the Variant class represent any kind of data that is exchanged
- * between the host application and the script engine. Variants are immutable.
- */
-class Variant {
-public:
-	/**
-	 * Enum containing the possible types a variant may have.
-	 */
-	enum class Type : int16_t {
-		NULLPTR,
-		BOOL,
-		INT,
-		DOUBLE,
-		STRING,
-		ARRAY,
-		MAP
-	};
-
-	/**
-	 * Exception thrown whenever a variant is accessed via a getter function
-	 * that is not supported for the current variant type.
-	 */
-	class TypeException : public OusiaException {
-	private:
-		/**
-		 * Internally used string holding the exception message.
-		 */
-		const std::string msg;
-
-	public:
-		/**
-		 * Contains the actual type of the variant.
-		 */
-		const Type actualType;
-
-		/**
-		 * Contains the requested type of the variant.
-		 */
-		const Type requestedType;
-
-		/**
-		 * Constructor of the TypeException.
-		 *
-		 * @param actualType describes the actual type of the variant.
-		 * @param requestedType describes the type in which the variant was
-		 * requested.
-		 */
-		TypeException(Type actualType, Type requestedType);
-	};
-
-	using boolType = bool;
-	using intType = int32_t;
-	using doubleType = double;
-	using stringType = std::string;
-	using arrayType = std::vector<Variant>;
-	using mapType = std::map<std::string, Variant>;
-
-private:
-	/**
-	 * Used to store the actual type of the variant.
-	 */
-	Type type = Type::NULLPTR;
-
-	/**
-	 * Anonymous union containing the possible value of the variant.
-	 */
-	union {
-		/**
-		 * The boolean value. Only valid if type is Type::BOOL.
-		 */
-		boolType boolVal;
-		/**
-		 * The integer value. Only valid if type is Type::INT.
-		 */
-		intType intVal;
-		/**
-		 * The number value. Only valid if type is Type::DOUBLE.
-		 */
-		doubleType doubleVal;
-		/**
-		 * Pointer to the more complex data structures on the free store. Only
-		 * valid if type is one of Type::STRING, Type::ARRAY,
-		 * Type::MAP.
-		 */
-		void *ptrVal;
-	};
-
-	/**
-	 * Internally used to convert the current pointer value to a reference of
-	 * the specified type.
-	 */
-	template <typename T>
-	T &asObj(Type requestedType) const
-	{
-		const Type actualType = getType();
-		if (actualType == requestedType) {
-			return *(static_cast<T *>(ptrVal));
-		}
-		throw TypeException{actualType, requestedType};
-	}
-
-	/**
-	 * Used internally to assign the value of another Variant instance to this
-	 * instance.
-	 *
-	 * @param v is the Variant instance that should be copied to this instance.
-	 */
-	void copy(const Variant &v)
-	{
-		destroy();
-		type = v.type;
-		switch (type) {
-			case Type::NULLPTR:
-				break;
-			case Type::BOOL:
-				boolVal = v.boolVal;
-				break;
-			case Type::INT:
-				intVal = v.intVal;
-				break;
-			case Type::DOUBLE:
-				doubleVal = v.doubleVal;
-				break;
-			case Type::STRING:
-				ptrVal = new stringType(v.asString());
-				break;
-			case Type::ARRAY:
-				ptrVal = new arrayType(v.asArray());
-				break;
-			case Type::MAP:
-				ptrVal = new mapType(v.asMap());
-				break;
-		}
-	}
-
-	/**
-	 * Used internally to move the value of another Variant instance to this
-	 * instance.
-	 *
-	 * @param v is the Variant instance that should be copied to this instance.
-	 */
-	void move(Variant &&v)
-	{
-		destroy();
-		type = v.type;
-		switch (type) {
-			case Type::NULLPTR:
-				break;
-			case Type::BOOL:
-				boolVal = v.boolVal;
-				break;
-			case Type::INT:
-				intVal = v.intVal;
-				break;
-			case Type::DOUBLE:
-				doubleVal = v.doubleVal;
-				break;
-			case Type::STRING:
-			case Type::ARRAY:
-			case Type::MAP:
-				ptrVal = v.ptrVal;
-				v.ptrVal = nullptr;
-				break;
-		}
-		v.type = Type::NULLPTR;
-	}
-
-	/**
-	 * Used internally to destroy any value that was allocated on the heap.
-	 */
-	void destroy()
-	{
-		if (ptrVal) {
-			switch (type) {
-				case Type::STRING:
-					delete static_cast<stringType *>(ptrVal);
-					break;
-				case Type::ARRAY:
-					delete static_cast<arrayType *>(ptrVal);
-					break;
-				case Type::MAP:
-					delete static_cast<mapType *>(ptrVal);
-					break;
-				default:
-					break;
-			}
-		}
-	}
-
-public:
-	/**
-	 * Copy constructor of the Variant class.
-	 *
-	 * @param v is the Variant instance that should be cloned.
-	 */
-	Variant(const Variant &v) : ptrVal(nullptr) { copy(v); }
-
-	/**
-	 * Move constructor of the Variant class.
-	 *
-	 * @param v is the reference to the Variant instance that should be moved,
-	 * this instance is invalidated afterwards.
-	 */
-	Variant(Variant &&v) : ptrVal(nullptr) { move(std::move(v)); }
-
-	/**
-	 * Default constructor. Type is set to Type:null.
-	 */
-	Variant() : ptrVal(nullptr) { setNull(); }
-
-	/**
-	 * Default destructor, frees any memory that was allocated on the heap.
-	 */
-	~Variant() { destroy(); }
-
-	/**
-	 * Constructor for null values. Initializes the variant as null value.
-	 */
-	Variant(std::nullptr_t) : ptrVal(nullptr) { setNull(); }
-
-	/**
-	 * Constructor for boolean values.
-	 *
-	 * @param b boolean value.
-	 */
-	Variant(boolType b) : ptrVal(nullptr) { setBool(b); }
-
-	/**
-	 * Constructor for integer values.
-	 *
-	 * @param i integer value.
-	 */
-	Variant(intType i) : ptrVal(nullptr) { setInt(i); }
-
-	/**
-	 * Constructor for double values.
-	 *
-	 * @param d double value.
-	 */
-	Variant(doubleType d) : ptrVal(nullptr) { setDouble(d); }
-
-	/**
-	 * Constructor for string values. The given string is copied and managed by
-	 * the new Variant instance.
-	 *
-	 * @param s is a reference to a C-Style string used as string value.
-	 */
-	Variant(const char *s) : ptrVal(nullptr) { setString(s); }
-
-	/**
-	 * Constructor for array values. The given array is copied and managed by
-	 * the new Variant instance.
-	 *
-	 * @param a is a reference to the array
-	 */
-	Variant(arrayType a) : ptrVal(nullptr) { setArray(std::move(a)); }
-
-	/**
-	 * Constructor for map values. The given map is copied and managed by the
-	 * new Variant instance.
-	 *
-	 * @param m is a reference to the map.
-	 */
-	Variant(mapType m) : ptrVal(nullptr) { setMap(std::move(m)); }
-
-	/**
-	 * Copy assignment operator.
-	 */
-	Variant &operator=(const Variant &v)
-	{
-		copy(v);
-		return *this;
-	}
-
-	/**
-	 * Move assignment operator.
-	 */
-	Variant &operator=(Variant &&v)
-	{
-		move(std::move(v));
-		return *this;
-	}
-
-	/**
-	 * Assign nullptr_t operator (allows to write Variant v = nullptr).
-	 *
-	 * @param p is an instance of std::nullptr_t.
-	 */
-	Variant &operator=(std::nullptr_t)
-	{
-		setNull();
-		return *this;
-	}
-
-	/**
-	 * Assign a boolean value.
-	 *
-	 * @param b is the boolean value to which the variant should be set.
-	 */
-	Variant &operator=(boolType b)
-	{
-		setBool(b);
-		return *this;
-	}
-
-	/**
-	 * Assign an integer value.
-	 *
-	 * @param i is the integer value to which the variant should be set.
-	 */
-	Variant &operator=(intType i)
-	{
-		setInt(i);
-		return *this;
-	}
-
-	/**
-	 * Assign a double value.
-	 *
-	 * @param d is the double value to which the variant should be set.
-	 */
-	Variant &operator=(doubleType d)
-	{
-		setDouble(d);
-		return *this;
-	}
-
-	/**
-	 * Assign a zero terminated const char array.
-	 *
-	 * @param s is the zero terminated const char array to which the variant
-	 * should be set.
-	 */
-	Variant &operator=(const char *s)
-	{
-		setString(s);
-		return *this;
-	}
-
-	/**
-	 * Checks whether this Variant instance represents the nullptr.
-	 *
-	 * @return true if the Variant instance represents the nullptr, false
-	 * otherwise.
-	 */
-	bool isNull() const { return type == Type::NULLPTR; }
-
-	/**
-	 * Checks whether this Variant instance is a boolean.
-	 *
-	 * @return true if the Variant instance is a boolean, false otherwise.
-	 */
-	bool isBool() const { return type == Type::BOOL; }
-
-	/**
-	 * Checks whether this Variant instance is an integer.
-	 *
-	 * @return true if the Variant instance is an integer, false otherwise.
-	 */
-	bool isInt() const { return type == Type::INT; }
-
-	/**
-	 * Checks whether this Variant instance is a double.
-	 *
-	 * @return true if the Variant instance is a double, false otherwise.
-	 */
-	bool isDouble() const { return type == Type::DOUBLE; }
-
-	/**
-	 * Checks whether this Variant instance is a string.
-	 *
-	 * @return true if the Variant instance is a string, false otherwise.
-	 */
-	bool isString() const { return type == Type::STRING; }
-
-	/**
-	 * Checks whether this Variant instance is an array.
-	 *
-	 * @return true if the Variant instance is an array, false otherwise.
-	 */
-	bool isArray() const { return type == Type::ARRAY; }
-
-	/**
-	 * Checks whether this Variant instance is a map.
-	 *
-	 * @return true if the Variant instance is a map, false otherwise.
-	 */
-	bool isMap() const { return type == Type::MAP; }
-
-	/**
-	 * Returns the Variant boolean value. Performs no type conversion. Throws an
-	 * exception if the underlying type is not a boolean.
-	 *
-	 * @return the boolean value.
-	 */
-	boolType asBool() const
-	{
-		if (isBool()) {
-			return boolVal;
-		}
-		throw TypeException{getType(), Type::BOOL};
-	}
-
-	/**
-	 * Returns the Variant integer value. Performs no type conversion. Throws an
-	 * exception if the underlying type is not an integer.
-	 *
-	 * @return the integer value.
-	 */
-	intType asInt() const
-	{
-		if (isInt()) {
-			return intVal;
-		}
-		throw TypeException{getType(), Type::INT};
-	}
-
-	/**
-	 * Returns the Variant double value. Performs no type conversion. Throws an
-	 * exception if the underlying type is not a double.
-	 *
-	 * @return the double value.
-	 */
-	doubleType asDouble() const
-	{
-		if (isDouble()) {
-			return doubleVal;
-		}
-		throw TypeException{getType(), Type::DOUBLE};
-	}
-
-	/**
-	 * Returns a const reference to the string value. Performs no type
-	 * conversion. Throws an exception if the underlying type is not a string.
-	 *
-	 * @return the string value as const reference.
-	 */
-	const stringType &asString() const
-	{
-		return asObj<stringType>(Type::STRING);
-	}
-
-	/**
-	 * Returns a const reference to the string value. Performs no type
-	 * conversion. Throws an exception if the underlying type is not a string.
-	 *
-	 * @return the string value as reference.
-	 */
-	stringType &asString() { return asObj<stringType>(Type::STRING); }
-
-	/**
-	 * Returns a const reference to the array value. Performs no type
-	 * conversion. Throws an exception if the underlying type is not an array.
-	 *
-	 * @return the array value as const reference.
-	 */
-	const arrayType &asArray() const { return asObj<arrayType>(Type::ARRAY); }
-
-	/**
-	 * Returns a const reference to the array value. Performs no type
-	 * conversion. Throws an exception if the underlying type is not an array.
-	 *
-	 * @return the array value as reference.
-	 */
-	arrayType &asArray() { return asObj<arrayType>(Type::ARRAY); }
-
-	/**
-	 * Returns a const reference to the map value. Performs no type
-	 * conversion. Throws an exception if the underlying type is not a map.
-	 *
-	 * @return the map value as const reference.
-	 */
-	const mapType &asMap() const { return asObj<mapType>(Type::MAP); }
-
-	/**
-	 * Returns a reference to the map value. Performs no type conversion.
-	 * Throws an exception if the underlying type is not a map.
-	 *
-	 * @return the map value as reference.
-	 */
-	mapType &asMap() { return asObj<mapType>(Type::MAP); }
-
-	/**
-	 * Returns the value of the Variant as boolean, performs type conversion.
-	 *
-	 * @return the Variant value converted to a boolean value.
-	 */
-	boolType toBool() const;
-
-	/**
-	 * Returns the value of the Variant as integer, performs type conversion.
-	 *
-	 * @return the Variant value converted to an integer value.
-	 */
-	intType toInt() const;
-
-	/**
-	 * Returns the value of the Variant as double, performs type conversion.
-	 *
-	 * @return the Variant value converted to a double value.
-	 */
-	doubleType toDouble() const;
-
-	/**
-	 * Returns the value of the Variant as string, performs type conversion.
-	 *
-	 * @return the value of the variant as string.
-	 * @param escape if set to true, adds double quotes to strings and escapes
-	 * them properly (resulting in a more or less JSONesque output).
-	 */
-	stringType toString(bool escape = false) const;
-
-	/**
-	 * Sets the variant to null.
-	 */
-	void setNull()
-	{
-		destroy();
-		type = Type::NULLPTR;
-		ptrVal = nullptr;
-	}
-
-	/**
-	 * Sets the variant to the given boolean value.
-	 *
-	 * @param b is the new boolean value.
-	 */
-	void setBool(boolType b)
-	{
-		destroy();
-		type = Type::BOOL;
-		boolVal = b;
-	}
-
-	/**
-	 * Sets the variant to the given integer value.
-	 *
-	 * @param i is the new integer value.
-	 */
-	void setInt(intType i)
-	{
-		destroy();
-		type = Type::INT;
-		intVal = i;
-	}
-
-	/**
-	 * Sets the variant to the given double value.
-	 *
-	 * @param d is the new double value.
-	 */
-	void setDouble(doubleType d)
-	{
-		destroy();
-		type = Type::DOUBLE;
-		doubleVal = d;
-	}
-
-	/**
-	 * Sets the variant to the given string value.
-	 *
-	 * @param d is the new string value.
-	 */
-	void setString(const char *s)
-	{
-		if (isString()) {
-			asString().assign(s);
-		} else {
-			destroy();
-			type = Type::STRING;
-			ptrVal = new stringType(s);
-		}
-	}
-
-	/**
-	 * Sets the variant to the given array value.
-	 *
-	 * @param a is the new array value.
-	 */
-	void setArray(arrayType a)
-	{
-		if (isArray()) {
-			asArray().swap(a);
-		} else {
-			destroy();
-			type = Type::ARRAY;
-			ptrVal = new arrayType(std::move(a));
-		}
-	}
-
-	/**
-	 * Sets the variant to the given map value.
-	 *
-	 * @param a is the new map value.
-	 */
-	void setMap(mapType m)
-	{
-		if (isMap()) {
-			asMap().swap(m);
-		} else {
-			destroy();
-			type = Type::MAP;
-			ptrVal = new mapType(std::move(m));
-		}
-	}
-
-	/**
-	 * Returns the current type of the Variant.
-	 *
-	 * @return the current type of the Variant.
-	 */
-	Type getType() const { return type; }
-
-	/**
-	 * Returns the name of the given variant type as C-style string.
-	 */
-	static const char *getTypeName(Type type);
-
-	/**
-	 * Returns the name of the type of this variant instance.
-	 */
-	const char *getTypeName() { return Variant::getTypeName(getType()); }
-
-	/**
-	 * Prints the Variant to the output stream.
-	 */
-	friend std::ostream &operator<<(std::ostream &os, const Variant &v)
-	{
-		return os << v.toString(true);
-	}
-
-	/**
-	 * Prints a key value pair to the output stream.
-	 */
-	friend std::ostream &operator<<(std::ostream &os,
-	                                const mapType::value_type &v)
-	{
-		// TODO: Use proper serialization function
-		return os << "\"" << v.first << "\": " << v.second.toString(true);
-	}
-
-	/*
-	 * Comprison operators.
-	 */
-
-	friend 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 TypeException(lhs.getType(), rhs.getType());
-		}
-		switch (lhs.getType()) {
-			case Type::NULLPTR:
-				return false;
-			case Type::BOOL:
-				return lhs.boolVal < rhs.boolVal;
-			case Type::INT:
-				return lhs.intVal < rhs.intVal;
-			case Type::DOUBLE:
-				return lhs.doubleVal < rhs.doubleVal;
-			case Type::STRING:
-				return lhs.asString() < rhs.asString();
-			case Type::ARRAY:
-				return lhs.asArray() < rhs.asArray();
-			case Type::MAP:
-				return lhs.asMap() < rhs.asMap();
-		}
-		throw OusiaException("Internal Error! Unknown type!");
-	}
-	friend bool operator>(const Variant &lhs, const Variant &rhs)
-	{
-		return rhs < lhs;
-	}
-	friend bool operator<=(const Variant &lhs, const Variant &rhs)
-	{
-		return !(lhs > rhs);
-	}
-	friend bool operator>=(const Variant &lhs, const Variant &rhs)
-	{
-		return !(lhs < rhs);
-	}
-
-	friend bool operator==(const Variant &lhs, const Variant &rhs)
-	{
-		if (lhs.getType() != rhs.getType()) {
-			return false;
-		}
-		switch (lhs.getType()) {
-			case Type::NULLPTR:
-				return true;
-			case Type::BOOL:
-				return lhs.boolVal == rhs.boolVal;
-			case Type::INT:
-				return lhs.intVal == rhs.intVal;
-			case Type::DOUBLE:
-				return lhs.doubleVal == rhs.doubleVal;
-			case Type::STRING:
-				return lhs.asString() == rhs.asString();
-			case Type::ARRAY:
-				return lhs.asArray() == rhs.asArray();
-			case Type::MAP:
-				return lhs.asMap() == rhs.asMap();
-		}
-		throw OusiaException("Internal Error! Unknown type!");
-	}
-	
-	friend bool operator!=(const Variant &lhs, const Variant &rhs)
-	{
-		return !(lhs == rhs);
-	}
-};
-}
-
-// Alias for the (very often used and unambigous) variant class
-using Variant = variant::Variant;
-}
-
-#endif /* _OUSIA_VARIANT_HPP_ */
-