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package org.zwobble.mammoth.internal.docx;
import org.zwobble.mammoth.internal.documents.NumberingLevel;
import org.zwobble.mammoth.internal.xml.XmlElement;
import org.zwobble.mammoth.internal.xml.XmlElementList;
import java.util.Map;
import java.util.Optional;
import static org.zwobble.mammoth.internal.util.Maps.entry;
import static org.zwobble.mammoth.internal.util.Maps.lookup;
import static org.zwobble.mammoth.internal.util.Maps.toMap;
public class NumberingXml {
public static Numbering readNumberingXmlElement(XmlElement element) {
Map<String, Map<String, NumberingLevel>> abstractNums = readAbstractNums(element.findChildren("w:abstractNum"));
return new Numbering(readNums(element.findChildren("w:num"), abstractNums));
}
private static Map<String, Map<String, NumberingLevel>> readAbstractNums(XmlElementList children) {
return toMap(children, NumberingXml::readAbstractNum);
}
private static Map.Entry<String, Map<String, NumberingLevel>> readAbstractNum(XmlElement element) {
// TODO: in python-mammoth, we allow None here. Check whether that's actually possible or not
String abstractNumId = element.getAttribute("w:abstractNumId");
return entry(abstractNumId, readAbstractNumLevels(element));
}
private static Map<String, NumberingLevel> readAbstractNumLevels(XmlElement element) {
return toMap(element.findChildren("w:lvl"), NumberingXml::readAbstractNumLevel);
}
private static Map.Entry<String, NumberingLevel> readAbstractNumLevel(XmlElement element) {
String levelIndex = element.getAttribute("w:ilvl");
Optional<String> numFmt = element.findChildOrEmpty("w:numFmt").getAttributeOrNone("w:val");
boolean isOrdered = !numFmt.equals(Optional.of("bullet"));
return entry(levelIndex, new NumberingLevel(levelIndex, isOrdered));
}
private static Map<String, Map<String, NumberingLevel>> readNums(
XmlElementList numElements,
Map<String, Map<String, NumberingLevel>> abstractNums
) {
return toMap(numElements, numElement -> readNum(numElement, abstractNums));
}
private static Map.Entry<String,Map<String,NumberingLevel>> readNum(
XmlElement numElement,
Map<String, Map<String, NumberingLevel>> abstractNums
) {
// TODO: in python-mammoth, we allow None here. Check whether that's actually possible or not
String numId = numElement.getAttribute("w:numId");
String abstractNumId = numElement.findChild("w:abstractNumId").get().getAttribute("w:val");
return entry(numId, lookup(abstractNums, abstractNumId).get());
}
}
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