84 lines
2.7 KiB
Java
84 lines
2.7 KiB
Java
package org.schabi.newpipe.extractor.utils;
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import org.schabi.newpipe.extractor.exceptions.ParsingException;
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import java.io.UnsupportedEncodingException;
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import java.net.URLDecoder;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/*
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* Created by Christian Schabesberger on 02.02.16.
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*
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* Copyright (C) Christian Schabesberger 2016 <chris.schabesberger@mailbox.org>
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* Parser.java is part of NewPipe.
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*
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* NewPipe is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* NewPipe is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with NewPipe. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* avoid using regex !!!
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*/
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public class Parser {
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private Parser() {
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}
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public static class RegexException extends ParsingException {
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public RegexException(String message) {
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super(message);
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}
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}
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public static String matchGroup1(String pattern, String input) throws RegexException {
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return matchGroup(pattern, input, 1);
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}
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public static String matchGroup(String pattern, String input, int group) throws RegexException {
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Pattern pat = Pattern.compile(pattern);
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Matcher mat = pat.matcher(input);
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boolean foundMatch = mat.find();
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if (foundMatch) {
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return mat.group(group);
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} else {
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if (input.length() > 1024) {
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throw new RegexException("failed to find pattern \"" + pattern);
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} else {
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throw new RegexException("failed to find pattern \"" + pattern + " inside of " + input + "\"");
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}
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}
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}
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public static boolean isMatch(String pattern, String input) {
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Pattern pat = Pattern.compile(pattern);
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Matcher mat = pat.matcher(input);
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return mat.find();
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}
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public static Map<String, String> compatParseMap(final String input) throws UnsupportedEncodingException {
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Map<String, String> map = new HashMap<>();
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for (String arg : input.split("&")) {
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String[] splitArg = arg.split("=");
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if (splitArg.length > 1) {
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map.put(splitArg[0], URLDecoder.decode(splitArg[1], "UTF-8"));
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} else {
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map.put(splitArg[0], "");
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}
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}
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return map;
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}
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}
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