private String getRegex(PatternRule rule) {
StringBuilder sb = new StringBuilder();
List<PatternToken> tokens = rule.getPatternTokens();
boolean hasCSParts = tokens.stream().anyMatch(PatternToken::isCaseSensitive);
boolean allCSParts = tokens.stream().allMatch(PatternToken::isCaseSensitive);
for (PatternToken patternToken : rule.getPatternTokens()) {
String str = patternToken.getString();
boolean setAllParenthesis =
containsBackRef(rule.getMessage()) || containsBackRef(rule.getSuggestionsOutMsg());
if (hasCSParts && !allCSParts && !patternToken.isCaseSensitive()) {
sb.append("(?i:");
appendTokenString(sb, str, setAllParenthesis);
sb.append(")");
} else {
appendTokenString(sb, str, setAllParenthesis);
}
sb.append(" ");
}
String escapedRegex = XmlEscapers.xmlContentEscaper().escape(sb.toString().trim());
if (allCSParts) {
return "<regexp case_sensitive='yes'>" + escapedRegex + "</regexp>";
}
return "<regexp>" + escapedRegex + "</regexp>";
}
private boolean isSimple(PatternToken t) {
return !(t.getNegation()
|| t.getPOSNegation()
|| t.hasAndGroup()
|| t.hasExceptionList()
|| t.hasNextException()
|| t.hasOrGroup()
|| t.isInflected()
|| t.isPOStagRegularExpression()
|| t.getPOStag() != null
|| t.isReferenceElement()
|| t.isSentenceStart()
|| t.getSkipNext() >= 1);
}