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/**
* Arara, the cool TeX automation tool
* Copyright (c) 2012 -- 2019, Paulo Roberto Massa Cereda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the project's author nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package com.github.cereda.arara.model;
/**
* The conditional class, it represents the type of conditional available
* for a directive and its corresponding expression to be evaluated.
* @author Paulo Roberto Massa Cereda
* @version 4.0
* @since 4.0
*/
public class Conditional {
// these are all types of conditionals arara
// is able to recognize; personally, I believe
// they are more than sufficient to cover the
// majority of test cases
public enum ConditionalType {
// evaluated beforehand, directive is interpreted
// if and only if the result is true
IF,
// there is no evaluation, directive is interpreted,
// no extra effort is needed
NONE,
// evaluated beforehand, directive is interpreted
// if and only if the result is false
UNLESS,
// directive is interpreted the first time, then the
// evaluation is done; while the result is false,
// the directive is interpreted again and again
UNTIL,
// evaluated beforehand, directive is interpreted if
// and oly if the result is true, and the process is
// repeated while the result still holds true
WHILE
}
// the conditional type, specified above; the
// default fallback, as seen in the constructor,
// is set to NONE, that is, no conditional at all
private ConditionalType type;
// the expression to be evaluated according to its
// type; the default fallback, as seen in the
// constructor, is set to an empty string
private String condition;
/**
* Constructor.
*/
public Conditional() {
type = ConditionalType.NONE;
condition = "";
}
/**
* Gets the conditional type.
* @return The conditional type.
*/
public ConditionalType getType() {
return type;
}
/**
* Sets the conditional type.
* @param type The conditional type.
*/
public void setType(ConditionalType type) {
this.type = type;
}
/**
* Gets the condition, that is, the expression to be evaluated.
* @return A string representing the condition.
*/
public String getCondition() {
return condition;
}
/**
* Sets the condition, that is, the expression to be evaluated.
* @param condition A string representing the condition.
*/
public void setCondition(String condition) {
this.condition = condition;
}
/**
* Provides a textual representation of the conditional object.
* @return A string representation of this object.
*/
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("{ ").append(type);
if (type != ConditionalType.NONE) {
builder.append(", expression: ").append(condition.trim());
}
builder.append(" }");
return builder.toString();
}
}
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