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tag_translate.dart
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tag_translate.dart
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// This source code is a part of Project Violet.
// Copyright (C) 2020-2024. violet-team. Licensed under the Apache-2.0 License.
import 'dart:convert';
import 'dart:io';
import 'dart:isolate';
import 'package:flutter/services.dart';
import 'package:path/path.dart';
import 'package:tuple/tuple.dart';
import 'package:violet/algorithm/distance.dart';
import 'package:violet/component/hitomi/displayed_tag.dart';
import 'package:violet/component/hitomi/tag_translated_regacy.dart';
class TagTranslate {
static const defaultLanguage = 'korean';
// <Origin, Translated>
static late Map<String, String> _translateMap;
// <Translated-Andro, Origin>
static late Map<String, String> _reverseAndroMap;
static Future<void> init({String? dir}) async {
String data;
if (Platform.environment.containsKey('FLUTTER_TEST')) {
final file =
File(join(Directory.current.path, 'assets/locale/tag/korean.json'));
data = await file.readAsString();
} else {
data = await rootBundle
.loadString('assets/locale/tag/$defaultLanguage.json');
}
Future<(Map<String, String>, Map<String, String>)> decodeJsonData() async {
final translateMap = <String, String>{};
final reverseAndroMap = <String, String>{};
json.decode(
data,
reviver: (keyObject, valueObject) {
if (keyObject == null) {
return null;
}
final key = keyObject.toString();
final value = valueObject.toString();
if (value.trim().isEmpty) {
return null;
}
if (translateMap.containsKey(key)) {
return null;
}
translateMap[key] = value;
reverseAndroMap[disassembly(value)
.replaceAll('female:', '')
.replaceAll('male:', '')] = key;
return null;
},
);
return (translateMap, reverseAndroMap);
}
final (translateMap, reverseAndroMap) = await Isolate.run(decodeJsonData);
_translateMap = translateMap;
_reverseAndroMap = reverseAndroMap;
}
static String of(String classification, String key) {
if (_translateMap.containsKey('$classification:$key')) {
return _translateMap['$classification:$key']!.split('|').first;
}
return TagTranslatedRegacy.mapSeries2Kor(
TagTranslatedRegacy.mapTag2Kor(key));
}
static String ofAny(String key) {
if (_translateMap.containsKey('series:$key')) {
return _translateMap['series:$key']!.split('|').first;
}
if (_translateMap.containsKey('character:$key')) {
return _translateMap['character:$key']!.split('|').first;
}
if (_translateMap.containsKey('tag:female:$key')) {
return _translateMap['tag:female:$key']!.split('|').first;
}
if (_translateMap.containsKey('tag:male:$key')) {
return _translateMap['tag:male:$key']!.split('|').first;
}
if (_translateMap.containsKey('tag:$key')) {
return _translateMap['tag:$key']!.split('|').first;
}
return TagTranslatedRegacy.mapSeries2Kor(
TagTranslatedRegacy.mapTag2Kor(key));
}
// [<Origin, Translated>]
static List<DisplayedTag> contains(String part) {
part = part.replaceAll(' ', '');
return _translateMap.entries
.where((element) => element.value.replaceAll(' ', '').contains(part))
.map((e) => DisplayedTag(tag: e.key, translated: e.value))
.toList();
}
// [<Origin, Translated>]
static List<DisplayedTag> containsAndro(String part) {
part = disassembly(part.replaceAll(' ', ''));
return _reverseAndroMap.entries
.where((element) => element.key.replaceAll(' ', '').contains(part))
.map((e) =>
DisplayedTag(tag: e.value, translated: _translateMap[e.value]))
.toList();
}
// [<Origin, Translated>]
static List<DisplayedTag> containsTotal(String part) {
var result = contains(part) + containsAndro(part);
var overlap = <String>{};
var rresult = <DisplayedTag>[];
for (var element in result) {
if (overlap.contains(element.getTag())) continue;
overlap.add(element.getTag());
rresult.add(element);
}
return rresult;
}
// [<Origin, Translated>]
static List<Tuple2<DisplayedTag, int>> containsFuzzing(String part) {
part = part.replaceAll(' ', '');
var result = _translateMap.entries
.map((e) => Tuple2<DisplayedTag, int>(
DisplayedTag(tag: e.key, translated: e.value.split('|')[0]),
Distance.levenshteinDistance(
e.value.replaceAll(' ', '').split('|')[0].runes.toList(),
part.runes.toList())))
.toList();
result.sort((x, y) => x.item2.compareTo(y.item2));
return result;
}
// [<Origin, Translated>]
static List<Tuple2<DisplayedTag, int>> containsFuzzingAndro(String part) {
part = disassembly(part.replaceAll(' ', ''));
var result = _reverseAndroMap.entries
.map((e) => Tuple2<DisplayedTag, int>(
DisplayedTag(
tag: e.value,
translated: _translateMap[e.value]!.split('|')[0]),
Distance.levenshteinDistance(
e.key.replaceAll(' ', '').split('|')[0].runes.toList(),
part.runes.toList())))
.toList();
result.sort((x, y) => x.item2.compareTo(y.item2));
return result;
}
// [<Origin, Translated>]
static List<Tuple2<DisplayedTag, int>> containsFuzzingTotal(String part) {
var result = containsFuzzing(part) + containsFuzzingAndro(part);
result.sort((x, y) => x.item2.compareTo(y.item2));
var overlap = <String>{};
var rresult = <Tuple2<DisplayedTag, int>>[];
for (var element in result) {
if (overlap.contains(element.item1.getTag())) continue;
overlap.add(element.item1.getTag());
rresult.add(element);
}
return rresult;
}
static const indexLetter2 = [
'r', 'R', 'rt', 's', 'sw', 'sg', 'e', 'E', //
'f', 'fr', 'fa', 'fq', 'ft', 'fe', 'fv', 'fg', //
'a', 'q', 'Q', 'qt', 't', 'T', 'd', 'w', //
'W', '', 'z', 'e', 'v', 'g', 'k', 'o', //
'i', 'O', 'j', 'p', 'u', 'P', 'h', 'hk', //
'ho', 'hl', 'y', 'n', 'nj', 'np', 'nl', 'b', //
'm', 'ml', 'l', ' ', 'ss', 'se', 'st', ' ', //
'frt', 'fe', 'fqt', ' ', 'fg', 'aq', 'at', ' ', //
' ', 'qr', 'qe', 'qtr', 'qte', 'qw', 'qe', ' ', //
' ', 'tr', 'ts', 'te', 'tq', 'tw', ' ', 'dd', //
'd', 'dt', ' ', ' ', 'gg', ' ', 'yi', 'yO', //
'yl', 'bu', 'bP', 'bl'
];
static const indexInitial2 = [
'r', 'R', 's', 'e', 'E', 'f', 'a', 'q', //
'Q', 't', 'T', 'd', 'w', 'W', 'c', 'z', //
'x', 'v', 'g' //
];
static const indexMedial2 = [
'k', 'o', 'i', 'O', 'j', 'p', 'u', 'P', //
'h', 'hk', 'ho', 'hl', 'y', 'n', 'nj', 'np', //
'nl', 'b', 'm', 'ml', 'l' //
];
static const indexFinal2 = [
'', 'r', 'R', 'rt', 's', 'sw', 'sg', 'e', //
'f', 'fr', 'fa', 'fq', 'ft', 'fx', 'fv', 'fg', //
'a', 'q', 'qt', 't', 'T', 'd', 'w', '', //
'z', 'x', 'v', 'g' //
];
static const indexFinal2Du = [
't', 'w', 'g', 'r', 'a', 'q', 'x', 'v' //
];
static Map<String, int> distortion(int ch) {
var ret = <String, int>{};
var unis = ch - 0xAC00;
ret['initial'] = unis ~/ (21 * 28);
ret['medial'] = (unis % (21 * 28)) ~/ 28;
ret['final'] = (unis % (21 * 28)) % 28;
return ret;
}
static bool checkLetter(int ch) {
return 0xac00 <= ch && ch <= 0xd7fb;
}
static bool checkJamo31(int ch) {
return 0x3131 <= ch && ch <= 0x3163;
}
static bool checkJamo11(int ch) {
return 0x1100 <= ch && ch <= 0x1100 + 91 - 1;
}
static String disassemblyCharacter(int ch) {
if (checkLetter(ch)) {
var jamo = distortion(ch);
return indexInitial2[jamo['initial']!] +
indexMedial2[jamo['medial']!] +
indexFinal2[jamo['final']!];
} else if (checkJamo31(ch)) {
return indexLetter2[ch - 0x3131];
} else if (checkJamo11(ch)) {
return indexLetter2[ch - 0x1100];
}
return String.fromCharCode(ch);
}
static String disassembly(String str) {
var tstr = '';
for (var i = 0; i < str.length; i++) {
tstr += disassemblyCharacter(str.codeUnitAt(i));
}
return tstr;
}
}