package org.springblade.modules.words;
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import org.springblade.modules.words.internals.BaseSearchEx2;
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import java.util.ArrayList;
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import java.util.List;
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public class WordsSearchEx2 extends BaseSearchEx2 {
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/**
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* 在文本中查找所有的关键字
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* @param text 文本
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* @return
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*/
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public List<WordsSearchResult> FindAll(final String text) {
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final List<WordsSearchResult> root = new ArrayList<WordsSearchResult>();
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int p = 0;
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final int length = text.length();
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for (int i = 0; i < length; i++) {
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final int t = _dict[text.charAt(i)];
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if (t == 0) {
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p = 0;
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continue;
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}
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int next = _next[p] + t;
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boolean find = _key[next] == t;
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if (find == false && p != 0) {
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p = 0;
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next = _next[0] + t;
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find = _key[next] == t;
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}
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if (find) {
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final int index = _check[next];
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if (index > 0) {
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for (final int item : _guides[index]) {
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final String key = _keywords[item];
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final WordsSearchResult r = new WordsSearchResult(key, i + 1 - key.length(), i, item);
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root.add(r);
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}
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}
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p = next;
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}
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}
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return root;
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}
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/**
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* 在文本中查找第一个关键字
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*
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* @param text 文本
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* @return
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*/
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public WordsSearchResult FindFirst(final String text) {
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int p = 0;
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final int length = text.length();
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for (int i = 0; i < length; i++) {
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final int t = _dict[text.charAt(i)];
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if (t == 0) {
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p = 0;
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continue;
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}
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int next = _next[p] + t;
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if (_key[next] == t) {
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final int index = _check[next];
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if (index > 0) {
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final String item = _keywords[_guides[index][0]];
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return new WordsSearchResult(item, i + 1 - item.length(), i, _guides[index][0]);
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}
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p = next;
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} else {
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p = 0;
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next = _next[p] + t;
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if (_key[next] == t) {
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final int index = _check[next];
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if (index > 0) {
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final String item = _keywords[_guides[index][0]];
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return new WordsSearchResult(item, i + 1 - item.length(), i, _guides[index][0]);
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}
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p = next;
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}
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}
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}
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return null;
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}
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/**
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* 判断文本是否包含关键字
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*
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* @param text 文本
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* @return
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*/
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public boolean ContainsAny(final String text) {
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int p = 0;
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for (int i = 0; i < text.length(); i++) {
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final int t = _dict[text.charAt(i)];
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if (t == 0) {
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p = 0;
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continue;
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}
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int next = _next[p] + t;
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if (_key[next] == t) {
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if (_check[next] > 0) {
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return true;
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}
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p = next;
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} else {
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p = 0;
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next = _next[p] + t;
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if (_key[next] == t) {
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if (_check[next] > 0) {
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return true;
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}
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p = next;
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}
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}
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}
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return false;
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}
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/**
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* 在文本中替换所有的关键字, 替换符默认为 *
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*
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* @param text 文本
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* @return
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*/
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public String Replace(final String text) {
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return Replace(text, '*');
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}
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/**
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* 在文本中替换所有的关键字
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*
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* @param text 文本
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* @param replaceChar 替换符
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* @return
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*/
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public String Replace(final String text, final char replaceChar) {
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final StringBuilder result = new StringBuilder(text);
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int p = 0;
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for (int i = 0; i < text.length(); i++) {
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final int t = _dict[text.charAt(i)];
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if (t == 0) {
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p = 0;
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continue;
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}
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int next = _next[p] + t;
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boolean find = _key[next] == t;
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if (find == false && p != 0) {
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p = 0;
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next = _next[p] + t;
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find = _key[next] == t;
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}
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if (find) {
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final int index = _check[next];
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if (index > 0) {
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final int maxLength = _keywords[_guides[index][0]].length();
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final int start = i + 1 - maxLength;
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for (int j = start; j <= i; j++) {
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result.setCharAt(j, replaceChar);
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}
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}
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p = next;
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}
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}
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return result.toString();
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}
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}
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