106 lines
3.3 KiB
Swift
106 lines
3.3 KiB
Swift
//
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// Scout
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// Copyright (c) 2020-present Alexis Bridoux
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// MIT license, see LICENSE file for details
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import Foundation
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// MARK: - Set
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extension ExplorerXML {
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// MARK: PathExplorer
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public mutating func set(_ path: Path, to newValue: ExplorerValue) throws {
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if referenceIsShared() { self = copy() }
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try _set(path: Slice(path), to: .explorerValue(newValue))
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}
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/// Set the path to the given `AEXMLElement` value rather than an `ExplorerValue`
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public mutating func set(_ path: Path, to element: Element) throws {
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try _set(path: Slice(path), to: .explorerXML(ExplorerXML(element: element)))
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}
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/// Set the path to the given `ExplorerXML` value rather than an `ExplorerValue`
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public mutating func set(_ path: Path, to explorer: ExplorerXML) throws {
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try _set(path: Slice(path), to: .explorerXML(explorer))
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}
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public func setting(_ path: Path, to newValue: ExplorerValue) throws -> ExplorerXML {
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var modified = copy()
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try modified.set(path, to: newValue)
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return modified
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}
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/// Set the path to the given `AEXMLElement` value rather than an `ExplorerValue`
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public func setting(_ path: Path, to element: Element) throws -> ExplorerXML {
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var modified = copy()
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try modified.set(path, to: element)
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return modified
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}
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/// Set the path to the given `ExplorerXML` value rather than an `ExplorerValue`
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public func setting(_ path: Path, to explorer: ExplorerXML) throws -> ExplorerXML {
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var modified = copy()
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try modified.set(path, to: explorer)
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return modified
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}
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// MARK: General function
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private func _set(path: SlicePath, to newValue: ValueSetter) throws {
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guard let (head, tail) = path.headAndTail() else {
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set(value: newValue)
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return
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}
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try doSettingPath(tail.leftPart) {
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switch head {
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case .key(let key):
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try getJaroWinkler(key: key)._set(path: tail, to: newValue)
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case .index(let index):
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let index = try Self.computeIndex(from: index, arrayCount: childrenCount)
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try children[index]._set(path: tail, to: newValue)
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default: throw ExplorerError.wrongUsage(of: head)
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}
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}
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}
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}
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// MARK: - Set key name
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extension ExplorerXML {
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public mutating func set(_ path: Path, keyNameTo newKeyName: String) throws {
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try set(path: Slice(path), keyNameTo: newKeyName)
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}
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public func setting(_ path: Path, keyNameTo keyName: String) throws -> ExplorerXML {
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self
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}
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private func set(path: SlicePath, keyNameTo newKeyName: String) throws {
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guard let element = path.first else {
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set(name: newKeyName)
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return
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}
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let tail = path.dropFirst()
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try doSettingPath(tail.leftPart) {
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switch element {
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case .key(let key):
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try getJaroWinkler(key: key).set(path: tail, keyNameTo: newKeyName)
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case .index(let index):
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let index = try Self.computeIndex(from: index, arrayCount: childrenCount)
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try children[index].set(path: tail, keyNameTo: newKeyName)
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default: throw ExplorerError.wrongUsage(of: element)
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}
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}
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}
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}
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