/*
* WPCleaner: A tool to help on Wikipedia maintenance tasks.
* Copyright (C) 2013 Nicolas Vervelle
*
* See README.txt file for licensing information.
*/
package org.wikipediacleaner.api.check.algorithm;
import java.util.Collection;
import java.util.List;
import org.wikipediacleaner.api.check.CheckErrorResult;
import org.wikipediacleaner.api.data.PageAnalysis;
import org.wikipediacleaner.api.data.PageElementImage;
import org.wikipediacleaner.api.data.PageElementTag;
import org.wikipediacleaner.i18n.GT;
/**
* Algorithm for analyzing error 77 of check wikipedia project.
* Error 77: Image description with partial <small>
*/
public class CheckErrorAlgorithm077 extends CheckErrorAlgorithmBase {
public CheckErrorAlgorithm077() {
super("Image description with partial <small>");
}
/**
* Analyze a page to check if errors are present.
*
* @param analysis Page analysis.
* @param errors Errors found in the page.
* @param onlyAutomatic True if analysis could be restricted to errors automatically fixed.
* @return Flag indicating if the error was found.
*/
@Override
public boolean analyze(
PageAnalysis analysis,
Collection<CheckErrorResult> errors, boolean onlyAutomatic) {
if (analysis == null) {
return false;
}
// Analyzing all images
boolean result = false;
List<PageElementImage> images = analysis.getImages();
for (PageElementImage image : images) {
String description = image.getDescription();
if (description != null) {
description = description.trim();
PageAnalysis descAnalysis = analysis.getPage().getAnalysis(description, false);
List<PageElementTag> smallTags = descAnalysis.getTags(PageElementTag.TAG_HTML_SMALL);
if ((smallTags != null) && (!smallTags.isEmpty())) {
int lastTest = 0;
int currentDepth = 0;
boolean onlySmall = true;
for (PageElementTag smallTag : smallTags) {
if ((currentDepth == 0) && (smallTag.getBeginIndex() > lastTest)) {
onlySmall = false;
}
lastTest = smallTag.getEndIndex();
if (!smallTag.isFullTag()) {
if (smallTag.isEndTag()) {
currentDepth = Math.max(0, currentDepth - 1);
} else {
currentDepth++;
}
}
}
if (!onlySmall) {
if (errors == null) {
return true;
}
result = true;
CheckErrorResult errorResult = createCheckErrorResult(
analysis, image.getBeginIndex(), image.getEndIndex());
StringBuilder replacement = new StringBuilder();
int lastIndex = 0;
for (PageElementTag smallTag : smallTags) {
if (smallTag.getBeginIndex() > lastIndex) {
replacement.append(description.substring(lastIndex, smallTag.getBeginIndex()));
}
lastIndex = smallTag.getEndIndex();
}
if (lastIndex < description.length()) {
replacement.append(description.substring(lastIndex));
}
errorResult.addReplacement(
image.getDescriptionReplacement(replacement.toString()),
GT._("Remove {0} tags", "<small>"));
errors.add(errorResult);
}
}
}
}
return result;
}
}