ExpressionSequence parseExpressionSequence(
final Arguments arguments, final String input, final boolean preprocess) {
final String trimmedInput = input.trim();
final String preprocessedInput =
(preprocess ? preprocess(arguments, trimmedInput) : trimmedInput);
final ExpressionSequence cachedExpressionSequence =
CACHE.getExpressionSequenceFromCache(arguments.getConfiguration(), preprocessedInput);
if (cachedExpressionSequence != null) {
return cachedExpressionSequence;
}
final ExpressionSequence expressionSequence = ExpressionSequence.parse(preprocessedInput);
if (expressionSequence == null) {
throw new TemplateProcessingException(
"Could not parse as expression sequence: \"" + input + "\"");
}
CACHE.putExpressionSequenceIntoCache(
arguments.getConfiguration(), preprocessedInput, expressionSequence);
return expressionSequence;
}
