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//
// Enums.swift
// DateToolsTests
//
// Created by Matthew York on 8/26/16.
// Copyright © 2016 Matthew York. All rights reserved.
//
// MARK: - Enums
/**
* There may come a need, say when you are making a scheduling app, when
* it might be good to know how two time periods relate to one another.
* Are they the same? Is one inside of another? All these questions may be
* asked using the relationship methods of DTTimePeriod.
*
* Further reading: [GitHub](https://github.com/MatthewYork/DateTools#relationships),
* [CodeProject](http://www.codeproject.com/Articles/168662/Time-Period-Library-for-NET)
*/
public enum Relation {
case after
case startTouching
case startInside
case insideStartTouching
case enclosingStartTouching
case enclosing
case enclosingEndTouching
case exactMatch
case inside
case insideEndTouching
case endInside
case endTouching
case before
case none // One or more of the dates does not exist
}
/**
* Whether the time period is Open or Closed
*
* Closed: The boundary moment of time is included in calculations.
*
* Open: The boundary moment of time represents a boundary value which is excluded in regard to calculations.
*/
public enum Interval {
case open
case closed
}
/**
* When a time periods is lengthened or shortened, it does so anchoring one date
* of the time period and then changing the other one. There is also an option to
* anchor the centerpoint of the time period, changing both the start and end dates.
*/
public enum Anchor {
case beginning
case center
case end
}
/**
* When a time periods is lengthened or shortened, it does so anchoring one date
* of the time period and then changing the other one. There is also an option to
* anchor the centerpoint of the time period, changing both the start and end dates.
*/
public enum Component {
case year
case month
case day
case hour
case minute
case second
}
/**
* Time units that include weeks, but not months since their exact size is dependent
* on the date. Used for TimeChunk conversions.
*/
public enum TimeUnits {
case years
case weeks
case days
case hours
case minutes
case seconds
}