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/*
* 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 org.wikipediacleaner.api.check.CheckErrorResult;
import org.wikipediacleaner.api.data.PageAnalysis;
/**
* Algorithm for analyzing error 75 of check wikipedia project.
* Error 75: Indented list
*/
public class CheckErrorAlgorithm075 extends CheckErrorAlgorithmBase {
public CheckErrorAlgorithm075() {
super("Indented list");
}
/**
* 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;
}
if (!analysis.getPage().isArticle()) {
return false;
}
// Analyzing the text from the beginning
boolean result = false;
int startIndex = -1;
String contents = analysis.getContents();
String previousLine = "";
String incorrectLine = null;
while (startIndex < contents.length()) {
if (startIndex < 0) {
startIndex = 0;
} else {
startIndex = contents.indexOf('\n', startIndex);
if (startIndex >= 0) {
startIndex++;
}
}
if ((startIndex < 0) || startIndex >= contents.length()) {
startIndex = contents.length();
} else {
if (contents.charAt(startIndex) == ':') {
int endIndex = startIndex;
boolean otherThanColon = false;
while ((startIndex < contents.length()) &&
(":-*#".indexOf(contents.charAt(endIndex)) >= 0)) {
if (contents.charAt(endIndex) != ':') {
otherThanColon = true;
}
endIndex++;
}
String newLine = contents.substring(startIndex, endIndex);
int newLength = newLine.length();
if ((newLength > 1) && otherThanColon &&
((newLength > previousLine.length() + 1) ||
(!previousLine.startsWith(newLine.substring(0, newLength - 1))))) {
if (errors == null) {
return true;
}
result = true;
CheckErrorResult errorResult = createCheckErrorResult(
analysis, startIndex, endIndex);
char lastChar = newLine.charAt(newLine.length() - 1);
if (incorrectLine == null) {
incorrectLine = newLine;
}
if (newLine.equals(incorrectLine)) {
if (newLine.length() > previousLine.length() + 1) {
errorResult.addReplacement(previousLine + lastChar);
} else {
errorResult.addReplacement(previousLine.substring(0, newLength - 1) + lastChar);
}
}
errors.add(errorResult);
} else {
previousLine = newLine;
incorrectLine = null;
}
} else {
previousLine = "";
}
}
}
return result;
}
}