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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 { | |
mdjones
2015/08/05 15:44:35
Add some documentation about what this class is an
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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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