282 lines
11 KiB
Swift
282 lines
11 KiB
Swift
//
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// Property.swift
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// Adwaita
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//
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// Created by david-swift on 14.01.24.
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//
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/// A property.
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struct Property: Decodable {
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/// The property's name.
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var name: String
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/// The docs.
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var doc: String?
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/// The property's getter.
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var getter: String?
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/// The property's setter.
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var setter: String?
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/// The property's type.
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var type: GIRType?
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/// This overwrites the prefix provided by the caller of a function.
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var prefix: String?
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// swiftlint:disable discouraged_optional_boolean
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/// This overwrites the cast information provided by the caller of a function.
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var cast: Bool?
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// swiftlint:enable discouraged_optional_boolean
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/// Whether the property is deprecated.
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var deprecated: Bool?
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/// Whether the property is itself a view.
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var isView: Bool {
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(self.type?.isWidget ?? false) || (self.type?.isMenu ?? false)
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}
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/// Get the Swift property name.
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/// - Parameter configuration: The generation configuration.
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/// - Returns: The name.
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func convertPropertyName(configuration: GenerationConfiguration) -> String {
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name.convertDelimitedCasingToCamel(delimiter: "-", configuration: configuration, unshorten: true)
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}
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/// Get the property's name and type for parameters or as part of a property definition.
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/// - Parameters:
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/// - config: The widget configuration.
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/// - genConfig: The generation configuration.
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/// - modifier: Whether it is used as a parameter.
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/// - defaultValue: Whether to set the default value.
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/// - Returns: The code.
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func parameter(
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config: WidgetConfiguration,
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genConfig: GenerationConfiguration,
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modifier: Bool = false,
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defaultValue: Bool = false
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) -> String {
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var type: String
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if config.bindings.contains(where: { $0.property == name }) {
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type = (try? self.type?.binding(configuration: genConfig)) ?? "Binding<String>"
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} else {
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type = (try? self.type?.generate(configuration: genConfig)) ?? "String"
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}
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if isView {
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type = modifier ? "() -> Body" : "Body"
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}
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if !config.requiredProperties.contains(name) && !(isView && modifier) {
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type += "?"
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}
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if defaultValue, let value = genConfig.defaultModifierValues[type] {
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type += " = \(value)"
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}
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return "\(convertPropertyName(configuration: genConfig)): \(type)"
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}
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/// Generate the property as a Swift property.
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/// - Parameters:
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/// - config: The widget configuration.
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/// - genConfig: The generation configuration.
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/// - Returns: The code.
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func generate(config: WidgetConfiguration, genConfig: GenerationConfiguration) -> String {
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"""
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\(doc?.docComment(configuration: genConfig, indent: " ") ?? "/// \(name)")
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var \(parameter(config: config, genConfig: genConfig))
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"""
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}
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// swiftlint:disable line_length
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/// Generate the property's modifier.
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/// - Parameters:
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/// - config: The widget configuration.
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/// - genConfig: The generation configuration.
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/// - Returns: The code.
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func generateModifier(config: WidgetConfiguration, genConfig: GenerationConfiguration) -> String {
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let property = convertPropertyName(configuration: genConfig)
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let builder = ((type?.isWidget ?? false) || (type?.isMenu ?? false)) ? "@ViewBuilder " : ""
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let mainParameter = parameter(config: config, genConfig: genConfig, modifier: true, defaultValue: true)
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return """
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\(doc?.docComment(configuration: genConfig, indent: " ") ?? "/// \(name)")
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public func \(convertPropertyName(configuration: genConfig))(\(builder)_ \(mainParameter)) -> Self {
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modify { $0.\(property) = \(property)\(isView ? "()" : "") }
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}
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"""
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}
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// swiftlint:disable function_body_length
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/// Generate the property's modification when being updated.
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/// - Parameters:
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/// - config: The widget configuration.
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/// - genConfig: The generation configuration.
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/// - prefix: The widget's prefix.
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/// - Returns: The code.
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func generateModification(
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config: WidgetConfiguration,
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genConfig: GenerationConfiguration,
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prefix: String
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) -> String {
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let name = convertPropertyName(configuration: genConfig)
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guard !(type?.isWidget ?? false) else {
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return """
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if let widget = storage.content["\(name)"]?.first {
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\(name)?.updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
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}
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"""
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}
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guard !(type?.isMenu ?? false) else {
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return """
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if let menu = storage.content["\(name)"]?.first {
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MenuCollection { \(name) ?? [] }
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.updateStorage(menu, data: data.noModifiers, updateProperties: updateProperties, type: MenuContext.self)
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}
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"""
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}
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guard var setter else {
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return ""
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}
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setter = (self.prefix ?? prefix) + "_" + setter
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let type = try? type?.generate(configuration: genConfig)
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let cProperty = genConfig.cTypeProperties.first { $0.key == type }
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let propertyString = cProperty == nil ? "" : ".\(cProperty?.value ?? "")"
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let widget = (self.cast ?? config.cast) ? "widget?.cast()" : "widget"
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var setConditions = ""
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var onlySetConditions = ""
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var onlySetConditionsIndentation = ""
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var onlySetConditionsEnd = ""
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if let conditions = config.setConditions[name] {
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setConditions = ", \(conditions)"
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onlySetConditions = "if \(conditions) {\n "
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onlySetConditionsIndentation = " "
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onlySetConditionsEnd = "\n }"
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}
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if config.bindings.contains(where: { $0.property == self.name }) {
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var check = ""
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let widget = (self.cast ?? config.cast) ? "storage.opaquePointer?.cast()" : "storage.opaquePointer"
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if var getter {
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getter = "\((self.prefix ?? prefix) + "_" + getter)(\(widget))"
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check = ", (" + (genConfig.getterTypeConversions[self.type?.name ?? ""]?(getter) ?? getter) + ") != \(name).wrappedValue"
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}
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return """
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if let \(name)\(setConditions), updateProperties\(check) {
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\(setter)(\(widget), \(name).wrappedValue\(propertyString))
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}
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"""
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} else if config.requiredProperties.contains(self.name) {
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return """
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if updateProperties, (storage.previousState as? Self)?.\(name) != \(name) {
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\(onlySetConditions)\(onlySetConditionsIndentation)\(setter)(\(widget), \(name)\(propertyString))\(onlySetConditionsEnd)
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}
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"""
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} else {
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return """
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if let \(name)\(setConditions), updateProperties, (storage.previousState as? Self)?.\(name) != \(name) {
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\(setter)(\(widget), \(name)\(propertyString))
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}
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"""
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}
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}
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// swiftlint:enable line_length function_body_length
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/// Generate the widget assignments.
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/// - Parameters:
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/// - prefix: The widget's prefix.
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/// - config: The widget configuration.
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/// - genConfig: The generation configuration.
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/// - Returns: The code.
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func generateWidgetAssignment(
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prefix: String,
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config: WidgetConfiguration,
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genConfig: GenerationConfiguration
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) -> String {
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guard var setter else {
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return ""
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}
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setter = (self.prefix ?? prefix) + "_" + setter
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let name = convertPropertyName(configuration: genConfig)
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let view = (self.cast ?? config.cast) ? "storage.opaquePointer?.cast()" : "storage.opaquePointer"
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return """
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if let \(name)Storage = \(name)?.storage(data: data, type: type) {
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storage.content["\(name)"] = [\(name)Storage]
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\(setter)(\(view), \(name)Storage.opaquePointer?.cast())
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}
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"""
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}
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/// Generate the menu assignments.
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/// - Parameters:
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/// - prefix: The widget's prefix.
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/// - config: The widget configuration.
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/// - genConfig: The generation configuration.
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/// - Returns: The code.
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func generateMenuAssignment(
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prefix: String,
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config: WidgetConfiguration,
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genConfig: GenerationConfiguration
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) -> String {
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guard var setter else {
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return ""
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}
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setter = (self.prefix ?? prefix) + "_" + setter
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let name = convertPropertyName(configuration: genConfig)
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let view = (self.cast ?? config.cast) ? "storage.opaquePointer?.cast()" : "storage.opaquePointer"
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return """
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if let \(name) {
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let childStorage = MenuCollection { \(name) }.getMenu(data: data)
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storage.content["\(name)"] = [childStorage]
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\(setter)(\(view), childStorage.opaquePointer?.cast())
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}
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"""
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}
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/// Generate a binding assignment.
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/// - Parameters:
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/// - prefix: The widget's prefix.
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/// - signal: The signal's name, if there is one.
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/// - config: The widget configuration.
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/// - genConfig: The generation configuration.
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/// - Returns: The code.
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func generateBindingAssignment(
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prefix: String,
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signal: String?,
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config: WidgetConfiguration,
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genConfig: GenerationConfiguration
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) -> String {
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guard var getter else {
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return ""
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}
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let widget = (self.cast ?? config.cast) ? "storage.opaquePointer?.cast()" : "storage.opaquePointer"
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getter = "\((self.prefix ?? prefix) + "_" + getter)(\(widget))"
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let name = convertPropertyName(configuration: genConfig)
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let finalGetter = genConfig.getterTypeConversions[type?.name ?? ""]?(getter) ?? getter
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let setter = """
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let newValue = \(finalGetter)
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if let \(name), newValue != \(name).wrappedValue {
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\(name).wrappedValue = newValue
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}
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"""
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if let signal {
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return """
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storage.connectSignal(name: "\(signal)", id: "\(self.name)") {
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\(setter)
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}
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"""
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} else {
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return """
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storage.notify(name: "\(self.name)") {
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\(setter)
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}
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"""
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}
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}
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}
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