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295 lines
10 KiB
Java
295 lines
10 KiB
Java
package com.github.tvbox.osc.util.js;
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import android.text.TextUtils;
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import com.quickjs.android.JSUtils;
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import org.jsoup.Jsoup;
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import org.jsoup.nodes.Document;
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import org.jsoup.nodes.Element;
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import org.jsoup.select.Elements;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class HtmlParser {
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private static String pdfh_html = "";
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private static String pdfa_html = "";
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private static final Pattern p = Pattern.compile("url\\((.*?)\\)", Pattern.MULTILINE | Pattern.DOTALL);
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private static final Pattern NOADD_INDEX = Pattern.compile(":eq|:lt|:gt|:first|:last|^body$|^#"); // 不自动加eq下标索引
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private static final Pattern URLJOIN_ATTR = Pattern.compile("(url|src|href|-original|-src|-play|-url|style)$", Pattern.MULTILINE | Pattern.CASE_INSENSITIVE); // 需要自动urljoin的属性
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private static Document pdfh_doc = null;
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private static Document pdfa_doc = null;
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public static String joinUrl(String parent, String child) {
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if (JSUtils.isEmpty(parent)) {
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return child;
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}
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URL url;
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String q = parent;
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try {
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url = new URL(new URL(parent), child);
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q = url.toExternalForm();
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} catch (MalformedURLException e) {
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e.printStackTrace();
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}
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// if (q.contains("#")) {
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// q = q.replaceAll("^(.+?)#.*?$", "$1");
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// }
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return q;
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}
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public static class Painfo {
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public String nparse_rule;
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public int nparse_index;
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public List<String> excludes;
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}
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private static Painfo getParseInfo(String nparse) {
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/*
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根据传入的单规则获取 parse规则，索引位置,排除列表 -- 可以用于剔除元素,支持多个，按标签剔除，按id剔除等操作
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:param nparse:
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:return:*/
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Painfo painfo = new Painfo();
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//List<String> excludes = new ArrayList<>(); //定义排除列表默认值为空
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//int nparse_index; //定义位置索引默认值为0
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painfo.nparse_rule = nparse; //定义规则默认值为本身
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if (nparse.contains(":eq")) {
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painfo.nparse_rule = nparse.split(":")[0];
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String nparse_pos = nparse.split(":")[1];
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if (painfo.nparse_rule.contains("--")) {
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String[] rules = painfo.nparse_rule.split("--");
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painfo.excludes = new ArrayList<>(Arrays.asList(rules));
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painfo.excludes.remove(0);
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painfo.nparse_rule = rules[0];
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} else if (nparse_pos.contains("--")) {
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String[] rules = nparse_pos.split("--");
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painfo.excludes = new ArrayList<>(Arrays.asList(rules));
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painfo.excludes.remove(0);
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nparse_pos = rules[0];
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}
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try {
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painfo.nparse_index = Integer.parseInt(nparse_pos.replace("eq(", "").replace(")", ""));
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} catch (Exception e1) {
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painfo.nparse_index = 0;
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}
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} else {
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if (nparse.contains("--")) {
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String[] rules = painfo.nparse_rule.split("--");
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painfo.excludes = new ArrayList<>(Arrays.asList(rules));
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painfo.excludes.remove(0);
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painfo.nparse_rule = rules[0];
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}
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}
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return painfo;
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}
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public static boolean isIndex(String str) {
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if (JSUtils.isEmpty(str)) {
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return false;
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}
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for (String str2 : new String[]{":eq", ":lt", ":gt", ":first", ":last", "body", "#"}) {
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if (str.contains(str2)) {
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if (str2.equals("body") || str2.equals("#")) {
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return str.startsWith(str2);
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}
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return true;
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}
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}
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return false;
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}
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public static boolean isUrl(String str) {
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if (JSUtils.isEmpty(str)) {
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return false;
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}
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for (String str2 : new String[]{"url", "src", "href", "-original", "-play"}) {
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if (str.contains(str2)) {
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return true;
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}
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}
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return false;
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}
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private static String parseHikerToJq(String parse, boolean first) {
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/*
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海阔解析表达式转原生表达式,自动补eq,如果传了first就最后一个也取eq(0)
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:param parse:
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:param first:
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:return:
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*/
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// 不自动加eq下标索引
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if (parse.contains("&&")) {
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String[] parses = parse.split("&&"); //带&&的重新拼接
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List<String> new_parses = new ArrayList<>(); //构造新的解析表达式列表
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for (int i = 0; i < parses.length; i++) {
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String[] pss = parses[i].split(" ");
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String ps = pss[pss.length - 1]; //如果分割&&后带空格就取最后一个元素
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Matcher m = NOADD_INDEX.matcher(ps);
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//if (!isIndex(ps)) {
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if (!m.find()) {
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if (!first && i >= parses.length - 1) { //不传first且遇到最后一个,不用补eq(0)
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new_parses.add(parses[i]);
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} else {
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new_parses.add(parses[i] + ":eq(0)");
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}
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} else {
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new_parses.add(parses[i]);
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}
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}
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parse = TextUtils.join(" ", new_parses);
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} else {
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String[] pss = parse.split(" ");
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String ps = pss[pss.length - 1]; //如果分割&&后带空格就取最后一个元素
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Matcher m = NOADD_INDEX.matcher(ps);
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//if (!isIndex(ps) && first) {
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if (!m.find() && first) {
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parse = parse + ":eq(0)";
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}
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}
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return parse;
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}
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public static String parseDomForUrl(String html, String rule, String add_url) {
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if (!pdfh_html.equals(html)) {
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pdfh_html = html;
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pdfh_doc = Jsoup.parse(html);
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}
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Document doc = pdfh_doc;
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if (rule.equals("body&&Text") || rule.equals("Text")) {
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return doc.text();
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} else if (rule.equals("body&&Html") || rule.equals("Html")) {
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return doc.html();
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}
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String option = "";
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if (rule.contains("&&")) {
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String[] rs = rule.split("&&");
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option = rs[rs.length - 1];
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List<String> excludes = new ArrayList<>(Arrays.asList(rs));
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excludes.remove(rs.length - 1);
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rule = TextUtils.join("&&", excludes);
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}
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rule = parseHikerToJq(rule, true);
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String[] parses = rule.split(" ");
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Elements ret = new Elements();
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for (String nparse : parses) {
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ret = parseOneRule(doc, nparse, ret);
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if (ret.isEmpty()) {
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return "";
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}
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}
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String result;
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if (JSUtils.isNotEmpty(option)) {
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if (option.equals("Text")) {
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result = ret.text();
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} else if (option.equals("Html")) {
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result = ret.html();
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} else {
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result = ret.attr(option);
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if (option.toLowerCase().contains("style") && result.contains("url(")) {
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Matcher m = p.matcher(result);
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if (m.find()) {
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result = m.group(1);
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}
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}
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if (JSUtils.isNotEmpty(result) && JSUtils.isNotEmpty(add_url)) {
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// 需要自动urljoin的属性
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Matcher m = URLJOIN_ATTR.matcher(option);
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//if (isUrl(option)) {
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if (m.find()) {
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if (result.contains("http")) {
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result = result.substring(result.indexOf("http"));
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} else {
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result = joinUrl(add_url, result);
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}
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}
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}
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}
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} else {
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result = ret.outerHtml();
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}
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return result;
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}
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public static List<String> parseDomForArray(String html, String rule) {
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if (!pdfa_html.equals(html)) {
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pdfa_html = html;
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pdfa_doc = Jsoup.parse(html);
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}
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Document doc = pdfa_doc;
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rule = parseHikerToJq(rule, false);
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String[] parses = rule.split(" ");
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Elements ret = new Elements();
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for (String pars : parses) {
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ret = parseOneRule(doc, pars, ret);
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if (ret.isEmpty()) {
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return new ArrayList<>();
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}
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}
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List<String> eleHtml = new ArrayList<>();
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for (int i = 0; i < ret.size(); i++) {
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Element element1 = ret.get(i);
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eleHtml.add(element1.outerHtml());
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}
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return eleHtml;
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}
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private static Elements parseOneRule(Document doc, String nparse, Elements ret) {
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Painfo painfo = getParseInfo(nparse);
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if (ret.isEmpty()) {
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ret = doc.select(painfo.nparse_rule);
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} else {
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ret = ret.select(painfo.nparse_rule);
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}
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if (nparse.contains(":eq")) {
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if(painfo.nparse_index < 0){
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ret = ret.eq(ret.size() + painfo.nparse_index);
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} else {
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ret = ret.eq(painfo.nparse_index);
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}
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}
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if (painfo.excludes != null && !ret.isEmpty()) {
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ret = ret.clone(); //克隆一个, 免得直接remove会影响doc的缓存
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for (int i = 0; i < painfo.excludes.size(); i++) {
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ret.select(painfo.excludes.get(i)).remove();
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}
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}
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return ret;
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}
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public static List<String> parseDomForList(String html, String p1, String list_text, String list_url, String add_url) {
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if (!pdfa_html.equals(html)) {
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pdfa_html = html;
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pdfa_doc = Jsoup.parse(html);
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}
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Document doc = pdfa_doc;
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p1 = parseHikerToJq(p1, false);
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String[] parses = p1.split(" ");
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Elements ret = new Elements();
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for (String pars : parses) {
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ret = parseOneRule(doc, pars, ret);
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if (ret.isEmpty()) {
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return new ArrayList<>();
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}
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}
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List<String> new_vod_list = new ArrayList<>();
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for(int i = 0; i < ret.size(); i++){
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String it = ret.get(i).outerHtml();
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new_vod_list.add(parseDomForUrl(it, list_text, "").trim() + '$' + parseDomForUrl(it, list_url, add_url));
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}
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return new_vod_list;
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}
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}
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