0-dependency ENSIP-15 in Java
- Reference Implementation: adraffy/ens-normalize.js
- Unicode:
16.0.0 - Spec Hash:
4b3c5210a328d7097500b413bf075ec210bbac045cd804deae5d1ed771304825
- Unicode:
- Passes 100% ENSIP-15 Validation Tests
- Passes 100% Unicode Normalization Tests
- Space Efficient:
~58KB .jarusing binary resources via make.js - JDK Support:
8+ - Maven Central Repository:
io.github.adraffy@0.3.0
import io.github.adraffy.ens.ENSNormalize;
ENSNormalize.ENSIP15 // Main Library (global instance)Primary API ENSIP15
// String -> String
// throws on invalid names
ENSNormalize.ENSIP15.normalize("RaFFY🚴♂️.eTh"); // "raffy🚴♂.eth"
// works like normalize()
ENSNormalize.ENSIP15.beautify("1⃣2⃣.eth"); // "1️⃣2️⃣.eth"Additional NormDetails (Experimental)
// works like normalize(), throws on invalid names
// string -> NormDetails
NormDetails details = ENSNormalize.ENSIP15.normalizeDetails("💩ì.a");
String name; // normalized name
boolean possiblyConfusing; // if name should be carefully reviewed
HashSet<Group> groups; // unique groups in name
HashSet<EmojiSequence> emojis; // unique emoji in name
String groupDescription() = "Emoji+Latin"; // group summary for name
boolean hasZWJEmoji(); // if any emoji contain 200DOutput-based Tokenization Label
// String -> List<Label>
// never throws
List<Label> labels = ENSNormalize.ENSIP15.split("💩Raffy.eth_");
// [
// Label {
// input: [ 128169, 82, 97, 102, 102, 121 ],
// tokens: [
// OutputToken { cps: [ 128169 ], emoji: EmojiSequence { ... } }
// OutputToken { cps: [ 114, 97, 102, 102, 121 ] }
// ],
// normalized: [ 128169, 114, 97, 102, 102, 121 ],
// group: Group { name: "Latin", ... }
// },
// Label {
// input: [ 101, 116, 104, 95 ],
// tokens: [
// OutputToken { cps: [ 101, 116, 104, 95 ] }
// ],
// error: NormException { kind: "underscore allowed only at start" }
// }
// ]- Group —
ENSIP15.groups: List<Group> - EmojiSequence —
ENSIP15.emojis: List<EmojiSequence> - Whole —
ENSIP15.wholes: List<Whole>
All errors are safe to print. NormException { kind: string, reason: string? } is the base exception. Functions that accept names as input wrap their exceptions in InvalidLabelException { start, end, error: NormException } for additional context.
"disallowed character"— DisallowedCharacterException{ cp }"illegal mixture"— IllegalMixtureException{ cp, group, other? }"whole-script confusable"— ConfusableException{ group, other }"empty label""duplicate non-spacing marks""excessive non-spacing marks""leading fenced""adjacent fenced""trailing fenced""leading combining mark""emoji + combining mark""invalid label extension""underscore allowed only at start"
Normalize name fragments for substring search:
// String -> String
// only throws InvalidLabelException w/DisallowedCharacterException
ENSNormalize.ENSIP15.normalizeFragment("AB--");
ENSNormalize.ENSIP15.normalizeFragment("..\u0300");
ENSNormalize.ENSIP15.normalizeFragment("\u03BF\u043E");
// note: normalize() throws on theseConstruct safe strings:
// int -> String
ENSNormalize.ENSIP15.safeCodepoint(0x303); // "◌̃ {303}"
ENSNormalize.ENSIP15.safeCodepoint(0xFE0F); // "{FE0F}"
// int[] -> String
ENSNormalize.ENSIP15.safeImplode(0x303, 0xFE0F); // "◌̃{FE0F}"Determine if a character shouldn't be printed directly:
// ReadOnlyIntSet
ENSNormalize.ENSIP15.shouldEscape.contains(0x202E); // RIGHT-TO-LEFT OVERRIDE => trueDetermine if a character is a combining mark:
// ReadOnlyIntSet
ENSNormalize.ENSIP15.combiningMarks.contains(0x20E3); // COMBINING ENCLOSING KEYCAP => trueUnicode Normalization Forms NF
import io.github.adraffy.ens.ENSNormalize;
// String -> String
ENSNormalize.NF.NFC("\u0065\u0300"); // "\u00E8"
ENSNormalize.NF.NFD("\u00E8"); // "\u0065\u0300"
// int[] -> int[]
ENSNormalize.NF.NFC(0x65, 0x300); // [0xE8]
ENSNormalize.NF.NFD(0xE8); // [0x65, 0x300]- Sync and Compress
- Update Gradle:
./gradlew wrapper --gradle-version {VERSION} - Run Tests:
./gradlew test - Ensure Access Token
- Publish and Sign:
./gradlew publish - Close and Release