Files
swiftpm-mustache/Sources/HummingbirdMustache/SequenceContext.swift
Adam Fowler f9f8c1320a Renaming
HBMustacheMethods -> HBMustacheTransformable
HBMustacheContext -> HBMustacheSequenceContext
2021-03-19 14:48:44 +00:00

42 lines
1.1 KiB
Swift

/// Context that current object inside a sequence is being rendered in. Only relevant when rendering a sequence
struct HBMustacheSequenceContext: HBMustacheTransformable {
var first: Bool
var last: Bool
var index: Int
init(first: Bool = false, last: Bool = false) {
self.first = first
self.last = last
index = 0
}
/// Transform `HBMustacheContext`. These are available when processing elements
/// of a sequence.
///
/// Format your mustache as follows to accept them. They look like a function without any arguments
/// ```
/// {{#sequence}}{{index()}}{{/sequence}}
/// ```
///
/// Transforms available are `first`, `last`, `index`, `even` and `odd`
/// - Parameter name: Method name
/// - Returns: Result
func transform(_ name: String) -> Any? {
switch name {
case "first":
return first
case "last":
return last
case "index":
return index
case "even":
return (index & 1) == 0
case "odd":
return (index & 1) == 1
default:
return nil
}
}
}