Files
swiftpm-stencil/Sources/NowTag.swift
2016-03-05 00:15:18 +00:00

44 lines
1.1 KiB
Swift

#if !os(Linux)
import Foundation
public class NowNode : NodeType {
public let format:Variable
public class func parse(parser:TokenParser, token:Token) throws -> NodeType {
var format:Variable?
let components = token.components()
guard components.count <= 2 else {
throw TemplateSyntaxError("'now' tags may only have one argument: the format string `\(token.contents)`.")
}
if components.count == 2 {
format = Variable(components[1])
}
return NowNode(format:format)
}
public init(format:Variable?) {
self.format = format ?? Variable("\"yyyy-MM-dd 'at' HH:mm\"")
}
public func render(context: Context) throws -> String {
let date = NSDate()
let format = try self.format.resolve(context)
var formatter:NSDateFormatter?
if let format = format as? NSDateFormatter {
formatter = format
} else if let format = format as? String {
formatter = NSDateFormatter()
formatter!.dateFormat = format
} else {
return ""
}
return formatter!.stringFromDate(date)
}
}
#endif