| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef _DECAF_LANG_BOOLEAN_H_ |
| #define _DECAF_LANG_BOOLEAN_H_ |
| |
| #include <string> |
| #include <decaf/lang/String.h> |
| #include <decaf/lang/Comparable.h> |
| #include <decaf/util/Config.h> |
| |
| namespace decaf{ |
| namespace lang{ |
| |
| class DECAF_API Boolean : public Comparable<Boolean>, |
| public Comparable<bool> { |
| private: |
| |
| // This objects boolean value |
| bool value; |
| |
| public: |
| |
| /** |
| * The Class object representing the primitive false boolean. |
| */ |
| static const Boolean _FALSE; |
| |
| /** |
| * The Class object representing the primitive type boolean. |
| */ |
| static const Boolean _TRUE; |
| |
| public: |
| |
| /** |
| * @param value - primitive boolean to wrap. |
| */ |
| Boolean(bool value); |
| |
| /** |
| * @param value - String value to convert to a boolean. |
| */ |
| Boolean(const String& value); |
| |
| virtual ~Boolean() {} |
| |
| /** |
| * @return the primitive boolean value of this object |
| */ |
| bool booleanValue() const { |
| return value; |
| } |
| |
| /** |
| * @return the string representation of this Booleans value. |
| */ |
| std::string toString() const; |
| |
| /** |
| * Compares this Boolean instance with another. |
| * @param b - the Boolean instance to be compared |
| * @return zero if this object represents the same boolean value as the |
| * argument; a positive value if this object represents true and the |
| * argument represents false; and a negative value if this object |
| * represents false and the argument represents true |
| */ |
| virtual int compareTo(const Boolean& b) const; |
| |
| /** |
| * Compares equality between this object and the one passed. |
| * @param value - the value to be compared to this one. |
| * @return true if this object is equal to the one passed. |
| */ |
| virtual bool operator==(const Boolean& value) const; |
| |
| /** |
| * Compares this object to another and returns true if this object |
| * is considered to be less than the one passed. This |
| * @param value - the value to be compared to this one. |
| * @return true if this object is equal to the one passed. |
| */ |
| virtual bool operator<(const Boolean& value) const; |
| |
| /** |
| * @return true if the two Boolean Objects have the same value. |
| */ |
| bool equals(const Boolean& b) const { |
| return this->value == b.value; |
| } |
| |
| /** |
| * Compares this Boolean instance with another. |
| * @param b - the Boolean instance to be compared |
| * @return zero if this object represents the same boolean value as the |
| * argument; a positive value if this object represents true and the |
| * argument represents false; and a negative value if this object |
| * represents false and the argument represents true |
| */ |
| virtual int compareTo(const bool& b) const; |
| |
| /** |
| * Compares equality between this object and the one passed. |
| * @param value - the value to be compared to this one. |
| * @return true if this object is equal to the one passed. |
| */ |
| virtual bool operator==(const bool& value) const; |
| |
| /** |
| * Compares this object to another and returns true if this object |
| * is considered to be less than the one passed. This |
| * @param value - the value to be compared to this one. |
| * @return true if this object is equal to the one passed. |
| */ |
| virtual bool operator<(const bool& value) const; |
| |
| /** |
| * @return true if the two Boolean Objects have the same value. |
| */ |
| bool equals(const bool& b) const { |
| return this->value == b; |
| } |
| |
| public: |
| |
| /** |
| * @param value |
| * The bool value to convert to a <code>Boolean</code> instance. |
| * |
| * @return a Boolean instance of the primitive boolean value |
| */ |
| static Boolean valueOf(bool value); |
| |
| /** |
| * @param value |
| * The std::string value to convert to a <code>Boolean</code> instance. |
| * |
| * @return a Boolean instance of the string value |
| */ |
| static Boolean valueOf(const String& value); |
| |
| /** |
| * Parses the String passed and extracts an bool. |
| * |
| * @param value |
| * The std::string value to parse |
| * @return bool value |
| */ |
| static bool parseBoolean(const String& value); |
| |
| /** |
| * Converts the bool to a String representation. |
| * |
| * @param value The bool value to convert. |
| * |
| * @return std::string representation of the bool value passed. |
| */ |
| static std::string toString(bool value); |
| |
| }; |
| |
| }} |
| |
| #endif /*_DECAF_LANG_BOOLEAN_H_*/ |