Example usage for com.google.common.collect ImmutableSortedSet copyOf

Introduction

In this page you can find the example usage for com.google.common.collect ImmutableSortedSet copyOf.

Prototype

public static <E extends Comparable<? super E>> ImmutableSortedSet<E> copyOf(E[] elements)

Source Link

Usage

From source file:com.google.googlejavaformat.java.JavaInputAstVisitor.java

/**
 * Output a chain of dereferences where some prefix should be treated as a single syntactic unit,
 * either because it looks like a type name or because there is only a single method invocation in
 * the chain./*from w ww .j a  va 2 s  .  c o  m*/
 *
 * @param items in the chain
 * @param needDot whether a leading dot is needed
 * @param prefixes the terminal indices of 'prefixes' of the expression that should be treated as
 *     a syntactic unit
 */
private void visitDotWithPrefix(List<ExpressionTree> items, boolean needDot, Collection<Integer> prefixes,
        FillMode prefixFillMode) {
    // Are there method invocations or field accesses after the prefix?
    boolean trailingDereferences = !prefixes.isEmpty() && getLast(prefixes) < items.size() - 1;

    builder.open(plusFour);
    for (int times = 0; times < prefixes.size(); times++) {
        builder.open(ZERO);
    }

    Deque<Integer> unconsumedPrefixes = new ArrayDeque<>(ImmutableSortedSet.copyOf(prefixes));
    BreakTag nameTag = genSym();
    for (int i = 0; i < items.size(); i++) {
        ExpressionTree e = items.get(i);
        if (needDot) {
            FillMode fillMode;
            if (!unconsumedPrefixes.isEmpty() && i <= unconsumedPrefixes.peekFirst()) {
                fillMode = prefixFillMode;
            } else {
                fillMode = FillMode.UNIFIED;
            }

            builder.breakOp(fillMode, "", ZERO, Optional.of(nameTag));
            token(".");
        }
        BreakTag tyargTag = genSym();
        dotExpressionUpToArgs(e, Optional.of(tyargTag));
        if (!unconsumedPrefixes.isEmpty() && i == unconsumedPrefixes.peekFirst()) {
            builder.close();
            unconsumedPrefixes.removeFirst();
        }

        Indent tyargIndent = Indent.If.make(tyargTag, plusFour, ZERO);
        Indent argsIndent = Indent.If.make(nameTag, plusFour, trailingDereferences ? plusFour : ZERO);
        dotExpressionArgsAndParen(e, tyargIndent, argsIndent);

        needDot = true;
    }

    builder.close();
}