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| 1 package org.chromium.distiller.webdocument.filters; |
| 2 |
| 3 import org.chromium.distiller.webdocument.WebDocument; |
| 4 import org.chromium.distiller.webdocument.WebElement; |
| 5 import org.chromium.distiller.webdocument.WebTag; |
| 6 |
| 7 import java.util.Stack; |
| 8 |
| 9 public class NestedElementRetainer { |
| 10 public static void process(WebDocument document) { |
| 11 boolean isContent = false; |
| 12 int stackMark = -1; |
| 13 Stack<WebTag> stack = new Stack<>(); |
| 14 |
| 15 for (WebElement e : document.getElements()) { |
| 16 if (!(e instanceof WebTag)) { |
| 17 if (!isContent) { |
| 18 isContent = e.getIsContent(); |
| 19 } |
| 20 } else { |
| 21 WebTag webTag = (WebTag) e; |
| 22 if (webTag.isStartTag()) { |
| 23 webTag.setIsContent(isContent); |
| 24 stack.push(webTag); |
| 25 isContent = false; |
| 26 } else { |
| 27 WebTag startWebTag = stack.pop(); |
| 28 isContent |= stackMark >= stack.size(); |
| 29 if (isContent) { |
| 30 stackMark = stack.size() - 1; |
| 31 } |
| 32 boolean wasContent = startWebTag.getIsContent(); |
| 33 startWebTag.setIsContent(isContent); |
| 34 webTag.setIsContent(isContent); |
| 35 isContent = wasContent; |
| 36 } |
| 37 } |
| 38 } |
| 39 } |
| 40 } |
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