80 lines
2.2 KiB
Swift
80 lines
2.2 KiB
Swift
// (c) 2021 and onwards The vChewing Project (MIT-NTL License).
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// StringView Ranges extension by (c) 2022 and onwards Isaac Xen (MIT License).
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// ====================
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// This code is released under the MIT license (SPDX-License-Identifier: MIT)
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// ... with NTL restriction stating that:
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// No trademark license is granted to use the trade names, trademarks, service
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// marks, or product names of Contributor, except as required to fulfill notice
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// requirements defined in MIT License.
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import Foundation
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import Shared
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extension vChewingLM {
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@frozen public struct LMPlainBopomofo {
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var rangeMap: [String: String] = [:]
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public var count: Int {
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rangeMap.count
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}
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public init() {
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rangeMap = [:]
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}
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public func isLoaded() -> Bool {
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!rangeMap.isEmpty
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}
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@discardableResult public mutating func open(_ path: String) -> Bool {
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if isLoaded() {
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return false
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}
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do {
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let rawData = try Data(contentsOf: URL(fileURLWithPath: path))
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let rawPlist: [String: String] =
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try PropertyListSerialization.propertyList(from: rawData, format: nil) as? [String: String] ?? .init()
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rangeMap = rawPlist
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} catch {
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vCLog("\(error)")
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vCLog("↑ Exception happened when reading data at: \(path).")
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return false
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}
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return true
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}
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public mutating func close() {
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if isLoaded() {
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rangeMap.removeAll()
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}
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}
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public func valuesFor(key: String) -> [String] {
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var pairs: [String] = []
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if let arrRangeRecords: String = rangeMap[key] {
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pairs.append(contentsOf: arrRangeRecords.map { String($0) })
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}
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var set = Set<String>()
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return pairs.filter { set.insert($0).inserted }
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}
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public func hasValuesFor(key: String) -> Bool { rangeMap.keys.contains(key) }
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}
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}
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// MARK: - StringView Ranges Extension (by Isaac Xen)
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extension String {
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fileprivate func ranges(splitBy separator: Element) -> [Range<String.Index>] {
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var startIndex = startIndex
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return split(separator: separator).reduce(into: []) { ranges, substring in
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_ = range(of: substring, range: startIndex..<endIndex).map { range in
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ranges.append(range)
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startIndex = range.upperBound
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}
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}
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}
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}
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