XXXX redacted: Difference between revisions
Added Swift solution
(→{{header|Lua}}: added Lua solution) |
(Added Swift solution) |
||
Line 1,015:
[p│s│o] Tom? Toms XXXXXX XXXXXX is in his XXXXXXX while playing XXX "XXXXXXX" brand XXXXXXXX. XXXXXX so XXX.
[p│i│o] XXX? XXXX XXXXXX XXXXXX is in his XXXXXXX while playing XXX "XXXXXXX" brand XXXXXXXX. XXXXXX so XXX.
</pre>
=={{header|Swift}}==
{{trans|AppleScript}}
<lang swift>import Foundation
struct RedactionOptions: OptionSet {
let rawValue: Int
static let wholeWord = RedactionOptions(rawValue: 1 << 0)
static let overKill = RedactionOptions(rawValue: 1 << 1)
static let caseInsensitive = RedactionOptions(rawValue: 1 << 2)
}
func redact(text: String, target: String, options: RedactionOptions) throws -> String {
// Set up a regex search pattern for the specified target.
// Since it has to be able to match grapheme characters which may
// be combinations of others in the same string, include catches
// for "Zero Width Joiner" characters.
var pattern = "(?<!\\u200d)" + NSRegularExpression.escapedPattern(for: target) + "(?!\\u200d)"
if options.contains(.wholeWord) {
// Don't match where preceded or followed by either a hyphen
// or anything which isn't punctuation or white space.
pattern = "(?<![-[^[:punct:]\\s]])" + pattern + "(?![-[^[:punct:]\\s]])"
} else if options.contains(.overKill) {
// Include any preceding or following run of hyphens and/or
// non-(punctuation or white-space).
pattern = "[-[^[:punct:]\\s]]*" + pattern + "[-[^[:punct:]\\s]]*+"
}
// Default to case-sensitivity.
if options.contains(.caseInsensitive) {
pattern = "(?i)" + pattern
}
let regex = try NSRegularExpression(pattern: pattern)
let mutableText = NSMutableString(string: text)
// Locate all the matches in the text and replace each character
// or grapheme in the matched ranges with "X".
for match in regex.matches(in: text, range: NSRange(text.startIndex..., in: text)) {
mutableText.replaceOccurrences(of: ".(?:\\u200d.)*+", with: "X",
options: .regularExpression, range: match.range)
}
return mutableText as String
}
func optionString(options: RedactionOptions) -> String {
var result = options.contains(.wholeWord) ? "w" : "p"
result.append("|")
result.append(options.contains(.caseInsensitive) ? "i" : "s")
result.append("|")
result.append(options.contains(.overKill) ? "o" : "n")
return result
}
func doBasicTest(target: String, options: RedactionOptions) {
let text = "Tom? Toms bottom tomato is in his stomach while playing the \"Tom-tom\" brand tom-toms. That's so tom."
do {
try print("[\(optionString(options: options))]: \(redact(text: text, target: target, options: options))")
} catch {
print(error.localizedDescription)
}
}
func doBasicTests(target: String) {
print("Redact '\(target)':")
doBasicTest(target: target, options: .wholeWord)
doBasicTest(target: target, options: [.wholeWord, .caseInsensitive])
doBasicTest(target: target, options: [])
doBasicTest(target: target, options: .caseInsensitive)
doBasicTest(target: target, options: .overKill)
doBasicTest(target: target, options: [.overKill, .caseInsensitive])
}
func doExtraTest(target: String) {
let text = "🧑 👨 🧔 👨👩👦"
do {
try print("Redact '\(target)':\n[w]: \(redact(text: text, target: target, options: .wholeWord))")
} catch {
print(error.localizedDescription)
}
}
doBasicTests(target: "Tom")
print()
doBasicTests(target: "tom")
print()
doExtraTest(target: "👨")
print()
doExtraTest(target: "👨👩👦")</lang>
{{out}}
<pre>
Redact 'Tom':
[w|s|n]: XXX? Toms bottom tomato is in his stomach while playing the "Tom-tom" brand tom-toms. That's so tom.
[w|i|n]: XXX? Toms bottom tomato is in his stomach while playing the "Tom-tom" brand tom-toms. That's so XXX.
[p|s|n]: XXX? XXXs bottom tomato is in his stomach while playing the "XXX-tom" brand tom-toms. That's so tom.
[p|i|n]: XXX? XXXs botXXX XXXato is in his sXXXach while playing the "XXX-XXX" brand XXX-XXXs. That's so XXX.
[p|s|o]: XXX? XXXX bottom tomato is in his stomach while playing the "XXXXXXX" brand tom-toms. That's so tom.
[p|i|o]: XXX? XXXX XXXXXX XXXXXX is in his XXXXXXX while playing the "XXXXXXX" brand XXXXXXXX. That's so XXX.
Redact 'tom':
[w|s|n]: Tom? Toms bottom tomato is in his stomach while playing the "Tom-tom" brand tom-toms. That's so XXX.
[w|i|n]: XXX? Toms bottom tomato is in his stomach while playing the "Tom-tom" brand tom-toms. That's so XXX.
[p|s|n]: Tom? Toms botXXX XXXato is in his sXXXach while playing the "Tom-XXX" brand XXX-XXXs. That's so XXX.
[p|i|n]: XXX? XXXs botXXX XXXato is in his sXXXach while playing the "XXX-XXX" brand XXX-XXXs. That's so XXX.
[p|s|o]: Tom? Toms XXXXXX XXXXXX is in his XXXXXXX while playing the "XXXXXXX" brand XXXXXXXX. That's so XXX.
[p|i|o]: XXX? XXXX XXXXXX XXXXXX is in his XXXXXXX while playing the "XXXXXXX" brand XXXXXXXX. That's so XXX.
Redact '👨':
[w]: 🧑 X 🧔 👨👩👦
Redact '👨👩👦':
[w]: 🧑 👨 🧔 X
</pre>
| |||