ParseTreePattern.java 文件源码

/**
 * Find all nodes using XPath and then try to match those subtrees against
 * this tree pattern.
 *
 * @param tree The {@link ParseTree} to match against this pattern.
 * @param xpath An expression matching the nodes
 *
 * @return A collection of {@link ParseTreeMatch} objects describing the
 * successful matches. Unsuccessful matches are omitted from the result,
 * regardless of the reason for the failure.
 */
@NotNull
public List<ParseTreeMatch> findAll(@NotNull ParseTree tree, @NotNull String xpath) {
    Collection<ParseTree> subtrees = XPath.findAll(tree, xpath, matcher.getParser());
    List<ParseTreeMatch> matches = new ArrayList<ParseTreeMatch>();
    for (ParseTree t : subtrees) {
        ParseTreeMatch match = match(t);
        if ( match.succeeded() ) {
            matches.add(match);
        }
    }
    return matches;
}