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Template inheritance (#9)

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* Move all context variables into HBMustacheContext

* Add support for reading inherited sections

* Render inherited tokens

* Test inheritance spec, fix two minor issues

* fix warning

* swift format
This commit is contained in:
Adam Fowler
2021-03-22 12:02:22 +00:00
committed by GitHub
parent af345e9138
commit 35d52603e2
9 changed files with 232 additions and 59 deletions
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33
Sources/HummingbirdMustache/Sequence.swift
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@@ -1,46 +1,39 @@
/// Protocol for objects that can be rendered as a sequence in Mustache
public protocol HBMustacheSequence {
protocol HBMustacheSequence {
/// Render section using template
func renderSection(with template: HBMustacheTemplate, stack: [Any]) -> String
func renderSection(with template: HBMustacheTemplate, context: HBMustacheContext) -> String
/// Render inverted section using template
func renderInvertedSection(with template: HBMustacheTemplate, stack: [Any]) -> String
func renderInvertedSection(with template: HBMustacheTemplate, context: HBMustacheContext) -> String
}
public extension Sequence {
extension Sequence {
/// Render section using template
func renderSection(with template: HBMustacheTemplate, stack: [Any]) -> String {
func renderSection(with template: HBMustacheTemplate, context: HBMustacheContext) -> String {
var string = ""
var context = HBMustacheSequenceContext(first: true)
var sequenceContext = HBMustacheSequenceContext(first: true)
var iterator = makeIterator()
guard var currentObject = iterator.next() else { return "" }
while let object = iterator.next() {
var stack = stack
stack.append(currentObject)
string += template.render(stack, context: context)
string += template.render(context: context.withSequence(currentObject, sequenceContext: sequenceContext))
currentObject = object
context.first = false
context.index += 1
sequenceContext.first = false
sequenceContext.index += 1
}
context.last = true
var stack = stack
stack.append(currentObject)
string += template.render(stack, context: context)
sequenceContext.last = true
string += template.render(context: context.withSequence(currentObject, sequenceContext: sequenceContext))
return string
}
/// Render inverted section using template
func renderInvertedSection(with template: HBMustacheTemplate, stack: [Any]) -> String {
var stack = stack
stack.append(self)
func renderInvertedSection(with template: HBMustacheTemplate, context: HBMustacheContext) -> String {
var iterator = makeIterator()
if iterator.next() == nil {
return template.render(stack)
return template.render(context: context.withObject(self))
}
return ""
}