package info.bliki.wiki.tags;
import info.bliki.htmlcleaner.TagNode;
import info.bliki.htmlcleaner.Utils;
import info.bliki.wiki.filter.ITextConverter;
import info.bliki.wiki.model.IWikiModel;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
public class HTMLTag extends TagNode {
public final static boolean NEW_LINES = true;
// compile the regex, for better performance
protected final static Pattern XML_QNAME = Pattern.compile("^[_A-Za-z][\\w\\.\\-]*(:[_A-Za-z][\\w\\.\\-]*)?$");
public static void appendEscapedAttributes(Appendable buf, Map<String, String> tagAtttributes) throws IOException {
if (tagAtttributes != null) {
for (Map.Entry<String, String> currEntry : tagAtttributes.entrySet()) {
String attName = currEntry.getKey();
if (attName.length() >= 1 && Character.isLetter(attName.charAt(0))) {
// skip any invalid element names
// these usually come from bad markup input
// http://www.w3.org/TR/REC-xml-names/#NT-PrefixedName
if (!XML_QNAME.matcher(attName).matches()) {
continue;
}
String attValue = currEntry.getValue();
buf.append(" ");
buf.append(attName);
buf.append("=\"");
Utils.escapeXmlToBuffer(attValue, buf, false, false, false);
buf.append("\"");
}
}
}
}
public static void appendUnescapedAttributes(Appendable buf, Map<String, String> tagAtttributes) throws IOException {
if (tagAtttributes != null) {
for (Map.Entry<String, String> currEntry : tagAtttributes.entrySet()) {
String attName = currEntry.getKey();
if (attName.length() >= 1 && Character.isLetter(attName.charAt(0))) {
String attValue = currEntry.getValue();
buf.append(" " + attName + "=\"" + attValue + "\"");
}
}
}
}
public HTMLTag(String name) {
super(name);
}
public void appendAttributes(Appendable buf, Map<String, String> tagAtttributes) throws IOException {
appendEscapedAttributes(buf, tagAtttributes);
}
public void renderHTML(ITextConverter converter, Appendable buf, IWikiModel model) throws IOException {
boolean newLines = false;
TagNode node = this;
String name = node.getName();
List<Object> children = node.getChildren();
if (children.size() == 0) {
// don't render empty tags (see Issue98)
if (!name.equals("a")) {
// because of section tags allow <a href=\"#Section..." />
return;
}
}
if (NEW_LINES) {
if (name.equals("div") || name.equals("p") || name.equals("li") || name.equals("td")) {
buf.append('\n');
} else if (name.equals("table") || name.equals("ul") || name.equals("ol") || name.equals("th") || name.equals("tr")
|| name.equals("pre")) {
buf.append('\n');
newLines = true;
}
}
buf.append('<');
buf.append(name);
Map<String, String> tagAtttributes = node.getAttributes();
appendAttributes(buf, tagAtttributes);
if (children.size() == 0) {
buf.append(" />");
} else {
buf.append('>');
if (newLines) {
buf.append('\n');
}
converter.nodesToText(children, buf, model);
if (newLines) {
buf.append('\n');
}
buf.append("</");
buf.append(node.getName());
buf.append('>');
}
}
public void renderHTMLWithoutTag(ITextConverter converter, Appendable buf, IWikiModel model) throws IOException {
TagNode node = this;
List<Object> children = node.getChildren();
if (children.size() != 0) {
converter.nodesToText(children, buf, model);
}
}
/**
* Set if the text is rendered as a template. This method is a placeholder, it
* can be overridden in subclasses.
*
* @param isTemplate
* <code>true</code>, if the text is rendered as a template. See
* {@link info.bliki.wiki.filter.WikipediaParser#isTemplate()}
*/
public void setTemplate(boolean isTemplate) {
// empty function
}
}