refactor: Use tabs for indent
This commit is contained in:
T. R. Bernstein
@@ -1,106 +1,106 @@
|
||||
/// A container for template variables.
|
||||
public class Context {
|
||||
var dictionaries: [[String: Any?]]
|
||||
var dictionaries: [[String: Any?]]
|
||||
|
||||
/// The context's environment, such as registered extensions, classes, …
|
||||
public let environment: Environment
|
||||
/// The context's environment, such as registered extensions, classes, …
|
||||
public let environment: Environment
|
||||
|
||||
init(dictionaries: [[String: Any?]], environment: Environment) {
|
||||
self.dictionaries = dictionaries
|
||||
self.environment = environment
|
||||
}
|
||||
init(dictionaries: [[String: Any?]], environment: Environment) {
|
||||
self.dictionaries = dictionaries
|
||||
self.environment = environment
|
||||
}
|
||||
|
||||
/// Create a context from a dictionary (and an env.)
|
||||
///
|
||||
/// - Parameters:
|
||||
/// - dictionary: The context's data
|
||||
/// - environment: Environment such as extensions, …
|
||||
public convenience init(dictionary: [String: Any] = [:], environment: Environment? = nil) {
|
||||
self.init(
|
||||
dictionaries: dictionary.isEmpty ? [] : [dictionary],
|
||||
environment: environment ?? Environment()
|
||||
)
|
||||
}
|
||||
/// Create a context from a dictionary (and an env.)
|
||||
///
|
||||
/// - Parameters:
|
||||
/// - dictionary: The context's data
|
||||
/// - environment: Environment such as extensions, …
|
||||
public convenience init(dictionary: [String: Any] = [:], environment: Environment? = nil) {
|
||||
self.init(
|
||||
dictionaries: dictionary.isEmpty ? [] : [dictionary],
|
||||
environment: environment ?? Environment()
|
||||
)
|
||||
}
|
||||
|
||||
/// Access variables in this context by name
|
||||
public subscript(key: String) -> Any? {
|
||||
/// Retrieves a variable's value, starting at the current context and going upwards
|
||||
get {
|
||||
for dictionary in Array(dictionaries.reversed()) {
|
||||
if let value = dictionary[key] {
|
||||
return value
|
||||
}
|
||||
}
|
||||
/// Access variables in this context by name
|
||||
public subscript(key: String) -> Any? {
|
||||
/// Retrieves a variable's value, starting at the current context and going upwards
|
||||
get {
|
||||
for dictionary in Array(dictionaries.reversed()) {
|
||||
if let value = dictionary[key] {
|
||||
return value
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
/// Set a variable in the current context, deleting the variable if it's nil
|
||||
set(value) {
|
||||
if var dictionary = dictionaries.popLast() {
|
||||
dictionary[key] = value
|
||||
dictionaries.append(dictionary)
|
||||
}
|
||||
}
|
||||
}
|
||||
/// Set a variable in the current context, deleting the variable if it's nil
|
||||
set(value) {
|
||||
if var dictionary = dictionaries.popLast() {
|
||||
dictionary[key] = value
|
||||
dictionaries.append(dictionary)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Push a new level into the Context
|
||||
///
|
||||
/// - Parameters:
|
||||
/// - dictionary: The new level data
|
||||
fileprivate func push(_ dictionary: [String: Any] = [:]) {
|
||||
dictionaries.append(dictionary)
|
||||
}
|
||||
/// Push a new level into the Context
|
||||
///
|
||||
/// - Parameters:
|
||||
/// - dictionary: The new level data
|
||||
fileprivate func push(_ dictionary: [String: Any] = [:]) {
|
||||
dictionaries.append(dictionary)
|
||||
}
|
||||
|
||||
/// Pop the last level off of the Context
|
||||
///
|
||||
/// - returns: The popped level
|
||||
// swiftlint:disable:next discouraged_optional_collection
|
||||
fileprivate func pop() -> [String: Any?]? {
|
||||
dictionaries.popLast()
|
||||
}
|
||||
/// Pop the last level off of the Context
|
||||
///
|
||||
/// - returns: The popped level
|
||||
// swiftlint:disable:next discouraged_optional_collection
|
||||
fileprivate func pop() -> [String: Any?]? {
|
||||
dictionaries.popLast()
|
||||
}
|
||||
|
||||
/// Push a new level onto the context for the duration of the execution of the given closure
|
||||
///
|
||||
/// - Parameters:
|
||||
/// - dictionary: The new level data
|
||||
/// - closure: The closure to execute
|
||||
/// - returns: Return value of the closure
|
||||
public func push<Result>(dictionary: [String: Any] = [:], closure: (() throws -> Result)) rethrows -> Result {
|
||||
push(dictionary)
|
||||
defer { _ = pop() }
|
||||
return try closure()
|
||||
}
|
||||
/// Push a new level onto the context for the duration of the execution of the given closure
|
||||
///
|
||||
/// - Parameters:
|
||||
/// - dictionary: The new level data
|
||||
/// - closure: The closure to execute
|
||||
/// - returns: Return value of the closure
|
||||
public func push<Result>(dictionary: [String: Any] = [:], closure: (() throws -> Result)) rethrows -> Result {
|
||||
push(dictionary)
|
||||
defer { _ = pop() }
|
||||
return try closure()
|
||||
}
|
||||
|
||||
/// Flatten all levels of context data into 1, merging duplicate variables
|
||||
///
|
||||
/// - returns: All collected variables
|
||||
public func flatten() -> [String: Any] {
|
||||
var accumulator: [String: Any] = [:]
|
||||
/// Flatten all levels of context data into 1, merging duplicate variables
|
||||
///
|
||||
/// - returns: All collected variables
|
||||
public func flatten() -> [String: Any] {
|
||||
var accumulator: [String: Any] = [:]
|
||||
|
||||
for dictionary in dictionaries {
|
||||
for (key, value) in dictionary {
|
||||
if let value = value {
|
||||
accumulator.updateValue(value, forKey: key)
|
||||
}
|
||||
}
|
||||
}
|
||||
for dictionary in dictionaries {
|
||||
for (key, value) in dictionary {
|
||||
if let value = value {
|
||||
accumulator.updateValue(value, forKey: key)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return accumulator
|
||||
}
|
||||
return accumulator
|
||||
}
|
||||
|
||||
/// Cache result of block by its name in the context top-level, so that it can be later rendered
|
||||
/// via `{{ block.name }}`
|
||||
///
|
||||
/// - Parameters:
|
||||
/// - name: The name of the stored block
|
||||
/// - content: The block's rendered content
|
||||
public func cacheBlock(_ name: String, content: String) {
|
||||
if var block = dictionaries.first?["block"] as? [String: String] {
|
||||
block[name] = content
|
||||
dictionaries[0]["block"] = block
|
||||
} else {
|
||||
dictionaries.insert(["block": [name: content]], at: 0)
|
||||
}
|
||||
}
|
||||
/// Cache result of block by its name in the context top-level, so that it can be later rendered
|
||||
/// via `{{ block.name }}`
|
||||
///
|
||||
/// - Parameters:
|
||||
/// - name: The name of the stored block
|
||||
/// - content: The block's rendered content
|
||||
public func cacheBlock(_ name: String, content: String) {
|
||||
if var block = dictionaries.first?["block"] as? [String: String] {
|
||||
block[name] = content
|
||||
dictionaries[0]["block"] = block
|
||||
} else {
|
||||
dictionaries.insert(["block": [name: content]], at: 0)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user