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package org.zwobble.mammoth;
import org.zwobble.mammoth.documents.*;
import org.zwobble.mammoth.html.Html;
import org.zwobble.mammoth.html.HtmlNode;
import java.util.List;
import static org.zwobble.mammoth.util.MammothLists.eagerFlatMap;
import static org.zwobble.mammoth.util.MammothLists.list;
public class DocumentConverter {
public static List<HtmlNode> convertToHtml(Document document) {
return convertChildrenToHtml(document);
}
private static List<HtmlNode> convertChildrenToHtml(HasChildren element) {
return eagerFlatMap(
element.getChildren(),
DocumentConverter::convertToHtml);
}
public static List<HtmlNode> convertToHtml(DocumentElement element) {
return element.accept(new DocumentElementVisitor<List<HtmlNode>>() {
@Override
public List<HtmlNode> visit(Paragraph paragraph) {
List<HtmlNode> content = convertChildrenToHtml(paragraph);
if (content.isEmpty()) {
return list();
} else {
return list(Html.element("p", content));
}
}
@Override
public List<HtmlNode> visit(Run run) {
List<HtmlNode> nodes = convertChildrenToHtml(run);
if (run.isStrikethrough()) {
nodes = list(Html.element("s", nodes));
}
if (run.getVerticalAlignment() == VerticalAlignment.SUPERSCRIPT) {
nodes = list(Html.element("sup", nodes));
}
if (run.isItalic()) {
nodes = list(Html.element("em", nodes));
}
if (run.isBold()) {
nodes = list(Html.element("strong", nodes));
}
return nodes;
}
@Override
public List<HtmlNode> visit(Text text) {
if (text.getValue().isEmpty()) {
return list();
} else {
return list(Html.text(text.getValue()));
}
}
@Override
public List<HtmlNode> visit(Tab tab) {
throw new UnsupportedOperationException();
}
@Override
public List<HtmlNode> visit(LineBreak lineBreak) {
throw new UnsupportedOperationException();
}
@Override
public List<HtmlNode> visit(Table table) {
throw new UnsupportedOperationException();
}
@Override
public List<HtmlNode> visit(TableRow tableRow) {
throw new UnsupportedOperationException();
}
@Override
public List<HtmlNode> visit(TableCell tableCell) {
throw new UnsupportedOperationException();
}
@Override
public List<HtmlNode> visit(Hyperlink hyperlink) {
throw new UnsupportedOperationException();
}
@Override
public List<HtmlNode> visit(Bookmark bookmark) {
throw new UnsupportedOperationException();
}
@Override
public List<HtmlNode> visit(NoteReference noteReference) {
throw new UnsupportedOperationException();
}
@Override
public List<HtmlNode> visit(Image image) {
throw new UnsupportedOperationException();
}
});
}
}
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