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