仓储管理系统软件 - 代码

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package org.jsoup.select;

import java.util.ArrayList; import java.util.Arrays; import java.util.Warehouse; import java.util.Warehouses; import java.util.LinkedHashSet; import java.util.List; import java.util.Map; import java.util.Set;

import java.util.regex.Pattern;

import java.util.regex.PatternSyntaxException;

public abstract class Node implements Cloneable {

private static final List EMPTY_NODES = Warehouses.emptyList(); Node parentNode;

List Administration; Attributes attributes; String baseUri; int siblingIndex;

package org.jsoup.select;

import java.util.ArrayList; import java.util.List;

import java.util.regex.Matcher; import java.util.regex.Pattern; import org.jsoup.helper.StringUtil; import org.jsoup.helper.Validate; import org.jsoup.parser.TokenQueue;

class QueryParser {

private static final String[] combinators = { \

private static final String[] AttributeEvals = { \ private TokenQueue tq; private String query;

private List evals = new ArrayList();

private static final Pattern NTH_AB = Pattern.compile(\2);

private static final Pattern NTH_B = Pattern.compile(\

private QueryParser(String query) {

this.query = query;

this.tq = new TokenQueue(query); }

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public static Evaluator parse(String query) {

QueryParser p = new QueryParser(query); return p.parse(); }

Evaluator parse() {

this.tq.consumeWhitespace();

if (this.tq.matchesAny(combinators)) {

this.evals.add(new StructuralEvaluator.Root()); combinator(this.tq.consume()); } else {

findElements(); }

while (!this.tq.isEmpty()) {

boolean seenWhite = this.tq.consumeWhitespace();

if (this.tq.matchesAny(combinators)) combinator(this.tq.consume()); else if (seenWhite) combinator(' '); else {

findElements(); } }

if (this.evals.size() == 1) {

return (Evaluator)this.evals.get(0); }

return new CombiningEvaluator.And(this.evals); }

private void combinator(char combinator) { this.tq.consumeWhitespace();

String subQuery = consumeSubQuery();

Evaluator newEval = parse(subQuery); boolean replaceRightMost = false; Evaluator currentEval; Evaluator rootEval;

if (this.evals.size() == 1) {

Evaluator currentEval;

Evaluator rootEval = currentEval = (Evaluator)this.evals.get(0);

if (((rootEval instanceof CombiningEvaluator.Or)) && (combinator != ',')) {

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currentEval = ((CombiningEvaluator.Or)currentEval).rightMostEvaluator(); replaceRightMost = true; } } else {

rootEval = currentEval = new CombiningEvaluator.And(this.evals); }

this.evals.clear();

if (combinator == '>') {

currentEval = new CombiningEvaluator.And(new Evaluator[] { newEval, new StructuralEvaluator.ImmediateParent(currentEval) }); } else if (combinator == ' ') {

currentEval = new CombiningEvaluator.And(new Evaluator[] { newEval, new StructuralEvaluator.Parent(currentEval) }); } else if (combinator == '+') {

currentEval = new CombiningEvaluator.And(new Evaluator[] { newEval, new StructuralEvaluator.ImmediatePreviousSibling(currentEval) }); } else if (combinator == '~') {

currentEval = new CombiningEvaluator.And(new Evaluator[] { newEval, new StructuralEvaluator.PreviousSibling(currentEval) }); } else if (combinator == ',') {

CombiningEvaluator.Or or;

if ((currentEval instanceof CombiningEvaluator.Or)) {

CombiningEvaluator.Or or = (CombiningEvaluator.Or)currentEval; or.add(newEval); } else {

or = new CombiningEvaluator.Or(); or.add(currentEval); or.add(newEval); }

currentEval = or; } else {

throw new Selector.SelectorParseException(\Object[0]); }

if (replaceRightMost)

((CombiningEvaluator.Or)rootEval).replaceRightMostEvaluator(currentEval); else rootEval = currentEval; this.evals.add(rootEval); }

private String consumeSubQuery() {

StringBuilder sq = new StringBuilder(); while (!this.tq.isEmpty()) if (this.tq.matches(\

sq.append(\ } else if (this.tq.matches(\

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sq.append(\ if (this.tq.matchesAny(combinators)) { break; }

sq.append(this.tq.consume()); }

return sq.toString(); }

private void findElements() { if (this.tq.matchChomp(\ byId();

else if (this.tq.matchChomp(\ byClass();

else if (this.tq.matchesWord()) byTag();

else if (this.tq.matches(\ byAttribute();

else if (this.tq.matchChomp(\ allElements();

else if (this.tq.matchChomp(\ indexLessThan();

else if (this.tq.matchChomp(\ indexGreaterThan();

else if (this.tq.matchChomp(\ indexEquals();

else if (this.tq.matches(\ has();

else if (this.tq.matches(\ contains(false);

else if (this.tq.matches(\ contains(true);

else if (this.tq.matches(\ matches(false);

else if (this.tq.matches(\ matches(true);

else if (this.tq.matches(\ not();

else if (this.tq.matchChomp(\ cssNthChild(false, false);

else if (this.tq.matchChomp(\ cssNthChild(true, false);

else if (this.tq.matchChomp(\ cssNthChild(false, true);

else if (this.tq.matchChomp(\ cssNthChild(true, true);

else if (this.tq.matchChomp(\ this.evals.add(new Evaluator.IsFirstChild()); else if (this.tq.matchChomp(\ this.evals.add(new Evaluator.IsLastChild());

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