68 lines
3.0 KiB
Swift
68 lines
3.0 KiB
Swift
// (c) 2021 and onwards The vChewing Project (MIT-NTL 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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extension String {
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mutating func regReplace(pattern: String, replaceWith: String = "") {
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// Ref: https://stackoverflow.com/a/40993403/4162914 && https://stackoverflow.com/a/71291137/4162914
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do {
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let regex = try NSRegularExpression(
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pattern: pattern, options: [.caseInsensitive, .anchorsMatchLines]
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)
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let range = NSRange(startIndex..., in: self)
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self = regex.stringByReplacingMatches(
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in: self, options: [], range: range, withTemplate: replaceWith
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)
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} catch { return }
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}
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mutating func selfReplace(_ strOf: String, _ strWith: String = "") {
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self = replacingOccurrences(of: strOf, with: strWith)
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}
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mutating func formatConsolidate() {
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// Step 1: Consolidating formats per line.
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var strProcessed = self
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// 預處理格式
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strProcessed = strProcessed.replacingOccurrences(of: " #MACOS", with: "") // 去掉 macOS 標記
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// CJKWhiteSpace (\x{3000}) to ASCII Space
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// NonBreakWhiteSpace (\x{A0}) to ASCII Space
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// Tab to ASCII Space
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// 統整連續空格為一個 ASCII 空格
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strProcessed.regReplace(pattern: #"( +| +| +|\t+)+"#, replaceWith: " ")
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// 去除行尾行首空格
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strProcessed.regReplace(pattern: #"(^ | $)"#, replaceWith: "")
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strProcessed.regReplace(pattern: #"(\n | \n)"#, replaceWith: "\n")
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// CR & FF to LF, 且去除重複行
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strProcessed.regReplace(pattern: #"(\f+|\r+|\n+)+"#, replaceWith: "\n")
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if strProcessed.prefix(1) == " " { // 去除檔案開頭空格
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strProcessed.removeFirst()
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}
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if strProcessed.suffix(1) == " " { // 去除檔案結尾空格
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strProcessed.removeLast()
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}
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// Step 3: Add Formatted Pragma, the Sorted Header:
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let hdrFormatted = "# 𝙵𝙾𝚁𝙼𝙰𝚃 𝚘𝚛𝚐.𝚊𝚝𝚎𝚕𝚒𝚎𝚛𝙸𝚗𝚖𝚞.𝚟𝚌𝚑𝚎𝚠𝚒𝚗𝚐.𝚞𝚜𝚎𝚛𝙻𝚊𝚗𝚐𝚞𝚊𝚐𝚎𝙼𝚘𝚍𝚎𝚕𝙳𝚊𝚝𝚊.𝚏𝚘𝚛𝚖𝚊𝚝𝚝𝚎𝚍\n"
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strProcessed = hdrFormatted + strProcessed // Add Sorted Header
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// Step 4: Deduplication.
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let arrData = strProcessed.split(separator: "\n")
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// 下面兩行的 reversed 是首尾顛倒，免得破壞最新的 override 資訊。
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let arrDataDeduplicated = Array(NSOrderedSet(array: arrData.reversed()).array as! [String])
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strProcessed = arrDataDeduplicated.reversed().joined(separator: "\n") + "\n"
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// Step 5: Remove duplicated newlines at the end of the file.
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strProcessed.regReplace(pattern: "\\n+", replaceWith: "\n")
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// Step 6: Commit Formatted Contents.
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self = strProcessed
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}
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}
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