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Added a new basic dynamic htmx template and added a way to customise …
…its default template name and a slot name
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| enum HXBasicLeafTemplate {} | ||
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|
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| extension HXBasicLeafTemplate { | ||
| enum ParsedTemplate { | ||
| case basic(String) | ||
| case custom(template: String, slot: String?, value: String) | ||
| } | ||
|
|
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| static func parseBasicTemplate(value: String) -> ParsedTemplate { | ||
| enum State { | ||
| case template | ||
| case slot | ||
| case value | ||
| case error | ||
| } | ||
|
|
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| if value.starts(with: "[") { | ||
| var pos = value.index(after: value.startIndex) | ||
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| var templateEndPos: String.Index? | ||
| var slotEndPos: String.Index? | ||
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| func more(state: State) -> State { | ||
| switch state { | ||
| case .template: | ||
| guard pos < value.endIndex else { | ||
| return .error | ||
| } | ||
|
|
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| let c = value[pos] | ||
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| if c == "]" { | ||
| templateEndPos = pos | ||
| return .value | ||
| } else if c == ":" { | ||
| templateEndPos = pos | ||
| return .slot | ||
| } else { | ||
| return .template | ||
| } | ||
| case .slot: | ||
| guard pos < value.endIndex else { | ||
| return .error | ||
| } | ||
|
|
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| let c = value[pos] | ||
|
|
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| if c == "]" { | ||
| slotEndPos = pos | ||
| return .value | ||
| } else if c == ":" { | ||
| return .error | ||
| } else { | ||
| return .slot | ||
| } | ||
| case .value: | ||
| return .value | ||
| case .error: | ||
| return .error | ||
| } | ||
| } | ||
|
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| func parse(state: State) -> State { | ||
| let next = more(state: state) | ||
| pos = value.index(after: pos) | ||
|
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| switch next { | ||
| case .template: | ||
| return parse(state: next) | ||
| case .slot: | ||
| return parse(state: next) | ||
| case .value: | ||
| return .value | ||
| case .error: | ||
| return .error | ||
| } | ||
| } | ||
|
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| func scheduleParse() -> Bool { | ||
| let result = parse(state: .template) | ||
|
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| guard result == .value else { return false } | ||
|
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| return true | ||
| } | ||
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| guard scheduleParse() else { return .basic(value) } | ||
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| guard let templateEndPos else { return .basic(value) } | ||
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| let templateName = String(value[value.index(after: value.startIndex) ..< templateEndPos]) | ||
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| if let slotEndPos { | ||
| let slotName = String(value[value.index(after: templateEndPos) ..< slotEndPos]) | ||
| let remainder = String(value[value.index(after: slotEndPos) ..< value.endIndex]) | ||
|
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| guard !templateName.isEmpty, !remainder.isEmpty, !slotName.isEmpty else { return .basic(value) } | ||
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| return .custom(template: templateName, slot: slotName, value: remainder) | ||
| } else { | ||
| let remainder = String(value[value.index(after: templateEndPos) ..< value.endIndex]) | ||
|
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| guard !templateName.isEmpty, !remainder.isEmpty else { return .basic(value) } | ||
|
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| return .custom(template: templateName, slot: nil, value: remainder) | ||
| } | ||
| } | ||
|
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| return .basic(value) | ||
| } | ||
|
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| static func prepareBasicTemplateBuilder(defaultBaseTemplate: String, defaultSlotName: String) -> PageTemplateBuilder { | ||
| func templateBuilder(_ name: String) -> String { | ||
| let result = parseBasicTemplate(value: name) | ||
|
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| switch result { | ||
| case let .basic(value): | ||
| return | ||
| """ | ||
| #extend("\(defaultBaseTemplate)"): #export("\(defaultSlotName)"): #extend("\(value)") #endexport #endextend | ||
| """ | ||
| case let .custom(template, slot, value): | ||
| return | ||
| """ | ||
| #extend("\(template)"): #export("\(slot ?? defaultSlotName)"): #extend("\(value)") #endexport #endextend | ||
| """ | ||
| } | ||
| } | ||
|
|
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| return templateBuilder | ||
| } | ||
| } |
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