45 lines
1.0 KiB
Swift
45 lines
1.0 KiB
Swift
#if !os(Linux)
|
|
import Foundation
|
|
|
|
class NowNode: NodeType {
|
|
let format: Variable
|
|
let token: Token?
|
|
|
|
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.")
|
|
}
|
|
if components.count == 2 {
|
|
format = Variable(components[1])
|
|
}
|
|
|
|
return NowNode(format: format, token: token)
|
|
}
|
|
|
|
init(format: Variable?, token: Token? = nil) {
|
|
self.format = format ?? Variable("\"yyyy-MM-dd 'at' HH:mm\"")
|
|
self.token = token
|
|
}
|
|
|
|
func render(_ context: Context) throws -> String {
|
|
let date = Date()
|
|
let format = try self.format.resolve(context)
|
|
|
|
var formatter: DateFormatter
|
|
if let format = format as? DateFormatter {
|
|
formatter = format
|
|
} else if let format = format as? String {
|
|
formatter = DateFormatter()
|
|
formatter.dateFormat = format
|
|
} else {
|
|
return ""
|
|
}
|
|
|
|
return formatter.string(from: date)
|
|
}
|
|
}
|
|
#endif
|