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CLDR-17014 No code fallbacks for language/script paths (#4290)
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100 changes: 100 additions & 0 deletions
100
tools/cldr-code/src/main/java/org/unicode/cldr/util/ExtraPaths.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| package org.unicode.cldr.util; | ||
|
|
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| import java.util.Collection; | ||
| import java.util.HashMap; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
| import java.util.TreeSet; | ||
|
|
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| public class ExtraPaths { | ||
|
|
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| private static final Map<NameType, ExtraPaths> instances = new HashMap<>(); | ||
|
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| public static ExtraPaths getInstance(NameType nameType) { | ||
| return instances.computeIfAbsent(nameType, ExtraPaths::new); | ||
| } | ||
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| private final NameType nameType; | ||
| private final Collection<String> paths; | ||
|
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| private ExtraPaths(NameType nameType) { | ||
| this.nameType = nameType; | ||
| paths = new HashSet<>(); | ||
| } | ||
|
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| void append(Collection<String> toAddTo) { | ||
| if (paths.isEmpty()) { | ||
| populatePaths(); | ||
| } | ||
| toAddTo.addAll(paths); | ||
| } | ||
|
|
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| private void populatePaths() { | ||
| // TODO: https://unicode-org.atlassian.net/browse/CLDR-17014 | ||
| // StandardCodes.CodeType codeType = StandardCodes.CodeType.fromNameType(nameType); | ||
| // See https://github.com/unicode-org/cldr/pull/4287 | ||
| StandardCodes.CodeType codeType; | ||
| switch (nameType) { | ||
| case LANGUAGE: | ||
| codeType = StandardCodes.CodeType.language; | ||
| break; | ||
| case SCRIPT: | ||
| codeType = StandardCodes.CodeType.script; | ||
| break; | ||
| default: | ||
| throw new IllegalArgumentException("TODO: CodeType.fromNameType"); | ||
| } | ||
| StandardCodes sc = StandardCodes.make(); | ||
| Set<String> codes = new TreeSet<>(sc.getGoodAvailableCodes(codeType)); | ||
| adjustCodeSet(codes); | ||
| for (String code : codes) { | ||
| paths.add(nameType.getKeyPath(code)); | ||
| } | ||
| addAltPaths(); | ||
| } | ||
|
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| private void adjustCodeSet(Set<String> codes) { | ||
| if (nameType == NameType.LANGUAGE) { | ||
| codes.remove(LocaleNames.ROOT); | ||
| codes.addAll( | ||
| List.of( | ||
| "ar_001", "de_AT", "de_CH", "en_AU", "en_CA", "en_GB", "en_US", | ||
| "es_419", "es_ES", "es_MX", "fa_AF", "fr_CA", "fr_CH", "frc", "hi_Latn", | ||
| "lou", "nds_NL", "nl_BE", "pt_BR", "pt_PT", "ro_MD", "sw_CD", "zh_Hans", | ||
| "zh_Hant")); | ||
| } | ||
| } | ||
|
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| private void addAltPaths() { | ||
| switch (nameType) { | ||
| case LANGUAGE: | ||
| addAltPath("en_GB", "short"); | ||
| addAltPath("en_US", "short"); | ||
| addAltPath("az", "short"); | ||
| addAltPath("ckb", "menu"); | ||
| addAltPath("ckb", "variant"); | ||
| addAltPath("hi_Latn", "variant"); | ||
| addAltPath("yue", "menu"); | ||
| addAltPath("zh", "menu"); | ||
| addAltPath("zh_Hans", "long"); | ||
| addAltPath("zh_Hant", "long"); | ||
| break; | ||
| case SCRIPT: | ||
| addAltPath("Hans", "stand-alone"); | ||
| addAltPath("Hant", "stand-alone"); | ||
| } | ||
| } | ||
|
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| private void addAltPath(String code, String alt) { | ||
| String fullpath = nameType.getKeyPath(code); | ||
| // Insert the @alt= string after the last occurrence of "]" | ||
| StringBuilder fullpathBuf = new StringBuilder(fullpath); | ||
| String altPath = | ||
| fullpathBuf | ||
| .insert(fullpathBuf.lastIndexOf("]") + 1, "[@alt=\"" + alt + "\"]") | ||
| .toString(); | ||
| paths.add(altPath); | ||
| } | ||
| } |
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