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Move VersionedProperty to its own file.
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141 changes: 141 additions & 0 deletions
141
unicodetools/src/main/java/org/unicode/text/UCD/VersionedProperty.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| package org.unicode.text.UCD; | ||
|
|
||
| import com.ibm.icu.dev.util.UnicodeMap; | ||
| import com.ibm.icu.text.SymbolTable; | ||
| import com.ibm.icu.text.UnicodeSet; | ||
| import java.text.ParsePosition; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
| import org.unicode.props.IndexUnicodeProperties; | ||
| import org.unicode.props.UnicodeProperty; | ||
| import org.unicode.props.UnicodeProperty.Factory; | ||
| import org.unicode.props.UnicodeProperty.PatternMatcher; | ||
| import org.unicode.text.utility.Settings; | ||
|
|
||
| public class VersionedProperty { | ||
| private String propertyName; | ||
| private String version; | ||
| private UnicodeProperty.Factory propSource; | ||
| private UnicodeProperty property; | ||
| private final transient PatternMatcher matcher = new UnicodeProperty.RegexMatcher(); | ||
|
|
||
| private static final Set<String> TOOL_ONLY_PROPERTIES = | ||
| Set.of("toNFC", "toNFD", "toNFKC", "toNFKD"); | ||
|
|
||
| private static boolean isTrivial(UnicodeMap<String> map) { | ||
| return map.isEmpty() | ||
| || (map.values().size() == 1 | ||
| && map.getSet(map.values().iterator().next()) | ||
| .equals(UnicodeSet.ALL_CODE_POINTS)); | ||
| } | ||
|
|
||
| public UnicodeProperty getProperty() { | ||
| return property; | ||
| } | ||
|
|
||
| public VersionedProperty set(String xPropertyName) { | ||
| xPropertyName = xPropertyName.trim(); | ||
| boolean allowRetroactive = false; | ||
| if (xPropertyName.contains(":")) { | ||
| final String[] names = xPropertyName.split(":"); | ||
| if (names.length != 2) { | ||
| throw new IllegalArgumentException("Too many ':' fields in " + xPropertyName); | ||
| } | ||
| if (names[0].isEmpty()) { | ||
| throw new IllegalArgumentException("Empty version field in " + xPropertyName); | ||
| } | ||
| switch (names[0].charAt(0)) { | ||
| case 'U': | ||
| break; | ||
| case 'R': | ||
| allowRetroactive = true; | ||
| break; | ||
| default: | ||
| throw new IllegalArgumentException( | ||
| "Version field should start with U or R in " + xPropertyName); | ||
| } | ||
| if (names[0].substring(1).equals("-1")) { | ||
| version = Settings.lastVersion; | ||
| } else { | ||
| version = names[0].substring(1); | ||
| } | ||
| xPropertyName = names[1]; | ||
| } else { | ||
| version = Settings.latestVersion; | ||
| } | ||
| ; | ||
| propertyName = xPropertyName; | ||
| propSource = getIndexedProperties(version); | ||
| property = propSource.getProperty(xPropertyName); | ||
| if ((property == null && TOOL_ONLY_PROPERTIES.contains(xPropertyName)) | ||
| || (isTrivial(property.getUnicodeMap()) && allowRetroactive)) { | ||
| propSource = ToolUnicodePropertySource.make(version); | ||
| property = propSource.getProperty(xPropertyName); | ||
| } | ||
| if (property == null || isTrivial(property.getUnicodeMap())) { | ||
| throw new IllegalArgumentException( | ||
| "Can't create property from name: " | ||
| + propertyName | ||
| + " and version: " | ||
| + version); | ||
| } | ||
| return this; | ||
| } | ||
|
|
||
| public UnicodeSet getSet( | ||
| String propertyValue, SymbolTable symbolTable, Map<String, char[]> variables) { | ||
| UnicodeSet set; | ||
| if (propertyValue.length() == 0) { | ||
| set = property.getSet("true"); | ||
| } else if (propertyValue.startsWith("/") && propertyValue.endsWith("/")) { | ||
| String body = propertyValue.substring(1, propertyValue.length() - 1); | ||
| for (final String variableMinus : variables.keySet()) { | ||
| final String variable = "$" + variableMinus; | ||
| if (body.contains(variable)) { | ||
| final String replacement = String.copyValueOf(variables.get(variableMinus)); | ||
| final UnicodeSet value = parseUnicodeSet(replacement, symbolTable); | ||
| final String valueString = value.complement(0).complement(0).toPattern(false); | ||
| body = body.replace(variable, valueString); | ||
| } | ||
| } | ||
| matcher.set(body); | ||
| set = property.getSet(matcher); | ||
| } else if (propertyValue.equals("∅")) { | ||
| set = property.getSet(NULL_MATCHER, null); | ||
| } else { | ||
| set = property.getSet(propertyValue); | ||
| } | ||
| return set; | ||
| } | ||
|
|
||
| private static Factory getIndexedProperties(String version2) { | ||
| return IndexUnicodeProperties.make(version2); | ||
| } | ||
|
|
||
| public static UnicodeSet parseUnicodeSet(String line, SymbolTable symbolTable) { | ||
| final ParsePosition pp = new ParsePosition(0); | ||
| final UnicodeSet result = new UnicodeSet(line, pp, symbolTable); | ||
| final int lengthUsed = pp.getIndex(); | ||
| if (lengthUsed != line.length()) { | ||
| throw new IllegalArgumentException( | ||
| "Text after end of set: " | ||
| + line.substring(0, lengthUsed) | ||
| + "XXX" | ||
| + line.substring(lengthUsed)); | ||
| } | ||
| return result; | ||
| } | ||
|
|
||
| static final UnicodeProperty.PatternMatcher NULL_MATCHER = | ||
| new UnicodeProperty.PatternMatcher() { | ||
| @Override | ||
| public boolean test(String o) { | ||
| return o == null || "".equals(o); | ||
| } | ||
|
|
||
| @Override | ||
| public PatternMatcher set(String pattern) { | ||
| return this; | ||
| } | ||
| }; | ||
| } |