//
|
// SwiftDate
|
// Parse, validate, manipulate, and display dates, time and timezones in Swift
|
//
|
// Created by Daniele Margutti
|
// - Web: https://www.danielemargutti.com
|
// - Twitter: https://twitter.com/danielemargutti
|
// - Mail: hello@danielemargutti.com
|
//
|
// Copyright © 2019 Daniele Margutti. Licensed under MIT License.
|
//
|
|
import Foundation
|
|
// MARK: - DataParsable Protocol
|
|
public protocol DateParsable {
|
|
/// Convert a string to a `DateInRegion` instance by parsing it with given parser
|
/// or using one of the built-in parser (if you know the format of the date you
|
/// should consider explicitly pass it to avoid unecessary computations).
|
///
|
/// - Parameters:
|
/// - format: format of the date, `nil` to leave the library to found the best
|
/// one via `SwiftDate.autoFormats`
|
/// - region: region in which the date should be expressed in.
|
/// Region's locale is used to format the date when using long readable unit names (like MMM
|
/// for month).
|
/// - Returns: date in region representation, `nil` if parse fails
|
func toDate(_ format: String?, region: Region) -> DateInRegion?
|
|
/// Convert a string to a `DateInRegion` instance by parsing it with the ordered
|
/// list of provided formats.
|
/// If `formats` array is not provided it uses the `SwiftDate.autoFormats` array instead.
|
/// Note: if you knwo the format of the date you should consider explicitly pass it to avoid
|
/// unecessary computations.
|
///
|
/// - Parameters:
|
/// - format: ordered formats to parse date (if you don't have a list of formats you can pass `SwiftDate.autoFormats`)
|
/// - region: region in which the date should be expressed in.
|
/// Region's locale is used to format the date when using long readable unit names (like MMM
|
/// for month).
|
/// - Returns: date in region representation, `nil` if parse fails
|
func toDate(_ formats: [String], region: Region) -> DateInRegion?
|
|
/// Convert a string to a valid `DateInRegion` using passed style.
|
///
|
/// - Parameters:
|
/// - style: parsing style.
|
/// - region: region in which the date should be expressed in
|
/// - Returns: date in region representation, `nil` if parse fails
|
func toDate(style: StringToDateStyles, region: Region) -> DateInRegion?
|
|
/// Convert to date from a valid ISO8601 string
|
///
|
/// - Parameters:
|
/// - options: options of the parser
|
/// - region: region in which the date should be expressed in (timzone is ignored and evaluated automatically)
|
/// - Returns: date in region representation, `nil` if parse fails
|
func toISODate(_ options: ISOParser.Options?, region: Region?) -> DateInRegion?
|
|
/// Convert to date from a valid DOTNET string
|
///
|
/// - region: region in which the date should be expressed in (timzone is ignored and evaluated automatically)
|
/// - Returns: date in region representation, `nil` if parse fails
|
func toDotNETDate(region: Region) -> DateInRegion?
|
|
/// Convert to a date from a valid RSS/ALT RSS string
|
///
|
/// - Parameters:
|
/// - alt: `true` if string represent an ALT RSS formatted date, `false` if a standard RSS formatted date.
|
/// - region: region in which the date should be expressed in (timzone is ignored and evaluated automatically)
|
/// - Returns: date in region representation, `nil` if parse fails
|
func toRSSDate(alt: Bool, region: Region) -> DateInRegion?
|
|
/// Convert to a date from a valid SQL format string.
|
///
|
/// - Parameters:
|
/// - region: region in which the date should be expressed in (timzone is ignored and evaluated automatically)
|
/// - Returns: date in region representation, `nil` if parse fails
|
func toSQLDate(region: Region) -> DateInRegion?
|
|
}
|
|
// MARK: - DataParsable Implementation for Strings
|
|
extension String: DateParsable {
|
|
public func toDate(_ format: String? = nil, region: Region = SwiftDate.defaultRegion) -> DateInRegion? {
|
return DateInRegion(self, format: format, region: region)
|
}
|
|
public func toDate(_ formats: [String], region: Region) -> DateInRegion? {
|
return DateInRegion(self, formats: formats, region: region)
|
}
|
|
public func toDate(style: StringToDateStyles, region: Region = SwiftDate.defaultRegion) -> DateInRegion? {
|
return style.toDate(self, region: region)
|
}
|
|
public func toISODate(_ options: ISOParser.Options? = nil, region: Region? = nil) -> DateInRegion? {
|
return ISOParser.parse(self, region: region, options: options)
|
}
|
|
public func toDotNETDate(region: Region = Region.ISO) -> DateInRegion? {
|
return DOTNETParser.parse(self, region: region, options: nil)
|
}
|
|
public func toRSSDate(alt: Bool, region: Region = Region.ISO) -> DateInRegion? {
|
switch alt {
|
case true: return StringToDateStyles.altRSS.toDate(self, region: region)
|
case false: return StringToDateStyles.rss.toDate(self, region: region)
|
}
|
}
|
|
public func toSQLDate(region: Region = Region.ISO) -> DateInRegion? {
|
return StringToDateStyles.sql.toDate(self, region: region)
|
}
|
|
}
|