Unicode normalization

UnicodeNormalization.swift

import Foundation

// NSStringのプロパティ

// decomposed
// 分解した

// precomposed
// 構成済み

// Compatibility
// 互換性

// Canonical
// 標準的な

// Unicode正規化
// NFD(Normalization Form Canonical Decomposition)
// NFC(Normalization Form Canonical Composition)
// NFKD(Normalization Form Compatibility Decomposition)
// NFKC(Normalization Form Compatibility Composition)

// decomposedStringWithCompatibilityMapping
// https://developer.apple.com/documentation/foundation/nsstring/1415417-decomposedstringwithcompatibilit
// A string made by normalizing the receiver’s contents using the Unicode Normalization Form KD.

// decomposedStringWithCanonicalMapping
// https://developer.apple.com/documentation/foundation/nsstring/1415417-decomposedstringwithcompatibilit
// A string made by normalizing the string’s contents using the Unicode Normalization Form D.

// precomposedStringWithCanonicalMapping
// https://developer.apple.com/documentation/foundation/nsstring/1412645-precomposedstringwithcanonicalma
// A string made by normalizing the string’s contents using the Unicode Normalization Form C.

// precomposedStringWithCompatibilityMapping
// https://developer.apple.com/documentation/foundation/nsstring/1412625-precomposedstringwithcompatibili
// A string made by normalizing the receiver’s contents using the Unicode Normalization Form KC.

// ㍻（U+337B）
print("㍻".decomposedStringWithCompatibilityMapping)
print("㍻".decomposedStringWithCanonicalMapping)
print("㍻".precomposedStringWithCanonicalMapping)
print("㍻".precomposedStringWithCompatibilityMapping)

// ㍼（U+337C）
print("㍼".decomposedStringWithCompatibilityMapping)
print("㍼".decomposedStringWithCanonicalMapping)
print("㍼".precomposedStringWithCanonicalMapping)
print("㍼".precomposedStringWithCompatibilityMapping)

// ㍽（U+337D）
print("㍽".decomposedStringWithCompatibilityMapping)
print("㍽".decomposedStringWithCanonicalMapping)
print("㍽".precomposedStringWithCanonicalMapping)
print("㍽".precomposedStringWithCompatibilityMapping)

// ㍾（U+337E）
print("㍾".decomposedStringWithCompatibilityMapping)
print("㍾".decomposedStringWithCanonicalMapping)
print("㍾".precomposedStringWithCanonicalMapping)
print("㍾".precomposedStringWithCompatibilityMapping)