private ImmutableSortedMap getUsedPropertyValueAliases()

in java/de/jflex/ucd_generator/scanner/AbstractScriptExtensionsScanner.java [80:123]
38 lines of code
15 McCabe index (conditional complexity)

  private ImmutableSortedMap<String, String> getUsedPropertyValueAliases() {
    ImmutableSortedMap.Builder<String, String> usedPropertyValueAliases =
        ImmutableSortedMap.naturalOrder();
    for (String binaryProperty : unicodeData.usedBinaryProperties()) {
      for (String nameAlias : unicodeData.getPropertyAliases(binaryProperty)) {
        if (!Objects.equals(nameAlias, binaryProperty)) {
          usedPropertyValueAliases.put(nameAlias, binaryProperty);
        }
      }
    }
    if (unicodeData.hasUsedEnumeratedProperty(NORMALIZED_GENERAL_CATEGORY)) {
      usedPropertyValueAliases.put(NORMALIZED_GENERAL_CATEGORY, "lc");
    }
    for (String propName : unicodeData.usedEnumeratedProperties().keySet()) {
      Collection<String> propValues = unicodeData.usedEnumeratedProperties().get(propName);
      for (String propValue : propValues) {
        String canonicalValue = PropertyNames.canonicalValue(propName, propValue);

        // Add value-only aliases for General Category and Script properties.
        if (DEFAULT_CATEGORIES.contains(propName)) {
          for (String valueAlias : unicodeData.getPropertyValueAliases(propName, propValue)) {
            if (!Objects.equals(valueAlias, propValue)) {
              usedPropertyValueAliases.put(valueAlias, propValue);
            }
          }
        }
        for (String nameAlias : unicodeData.getPropertyAliases(propName)) {
          for (String valueAlias : unicodeData.getPropertyValueAliases(propName, propValue)) {
            // Both property names and values have self-aliases; when generating
            // all possible alias combinations, exclude the one that is the same
            // as the full property name + full property value, unless the
            // property is General Category or Script.
            if (DEFAULT_CATEGORIES.contains(propName)
                || !(Objects.equals(nameAlias, propName)
                    && Objects.equals(valueAlias, propValue))) {
              String alias = nameAlias + '=' + valueAlias;
              usedPropertyValueAliases.put(alias, canonicalValue);
            }
          }
        }
      }
    }
    return usedPropertyValueAliases.build();
  }