package info.bliki.wiki.filter;
import info.bliki.htmlcleaner.ContentToken;
import info.bliki.htmlcleaner.EndTagToken;
import info.bliki.htmlcleaner.TagNode;
import info.bliki.htmlcleaner.Utils;
import info.bliki.wiki.model.Configuration;
import info.bliki.wiki.model.IWikiModel;
import info.bliki.wiki.model.ImageFormat;
import info.bliki.wiki.tags.HTMLTag;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
/**
* A converter which renders the internal tree node representation as HTML text
*
*/
public class HTMLConverter implements ITextConverter {
private boolean fNoLinks;
public HTMLConverter(boolean noLinks) {
this.fNoLinks = noLinks;
}
public HTMLConverter() {
this(false);
}
public void nodesToText(List<? extends Object> nodes, Appendable resultBuffer, IWikiModel model) throws IOException {
if (nodes != null && !nodes.isEmpty()) {
try {
int level = model.incrementRecursionLevel();
if (level > Configuration.RENDERER_RECURSION_LIMIT) {
resultBuffer
.append("<span class=\"error\">Error - recursion limit exceeded rendering tags in HTMLConverter#nodesToText().</span>");
return;
}
Iterator<? extends Object> childrenIt = nodes.iterator();
while (childrenIt.hasNext()) {
Object item = childrenIt.next();
if (item != null) {
if (item instanceof List) {
nodesToText((List) item, resultBuffer, model);
} else if (item instanceof ContentToken) {
ContentToken contentToken = (ContentToken) item;
String content = contentToken.getContent();
Utils.escapeXmlToBuffer(content, resultBuffer, true, true, true);
} else if (item instanceof HTMLTag) {
((HTMLTag) item).renderHTML(this, resultBuffer, model);
} else if (item instanceof TagNode) {
TagNode node = (TagNode) item;
Map<String, Object> map = node.getObjectAttributes();
if (map != null && map.size() > 0) {
Object attValue = map.get("wikiobject");
if (attValue instanceof ImageFormat) {
imageNodeToText(node, (ImageFormat) attValue, resultBuffer, model);
}
} else {
nodeToHTML(node, resultBuffer, model);
}
} else if (item instanceof EndTagToken) {
EndTagToken node = (EndTagToken) item;
resultBuffer.append('<');
resultBuffer.append(node.getName());
resultBuffer.append("/>");
}
}
}
} finally {
model.decrementRecursionLevel();
}
}
}
protected void nodeToHTML(TagNode node, Appendable resultBuffer, IWikiModel model) throws IOException {
String name = node.getName();
if (HTMLTag.NEW_LINES) {
if (name.equals("div") || name.equals("p") || name.equals("table") || name.equals("ul") || name.equals("ol")
|| name.equals("li") || name.equals("th") || name.equals("tr") || name.equals("td") || name.equals("pre")) {
resultBuffer.append('\n');
}
}
resultBuffer.append('<');
resultBuffer.append(name);
Map<String, String> tagAtttributes = node.getAttributes();
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();
resultBuffer.append(" ");
resultBuffer.append(attName);
resultBuffer.append("=\"");
resultBuffer.append(attValue);
resultBuffer.append("\"");
}
}
List<Object> children = node.getChildren();
if (children.size() == 0 && !name.equals("a")) {
resultBuffer.append(" />");
} else {
resultBuffer.append('>');
if (children.size() != 0) {
nodesToText(children, resultBuffer, model);
}
resultBuffer.append("</");
resultBuffer.append(node.getName());
resultBuffer.append('>');
}
}
public void imageNodeToText(TagNode imageTagNode, ImageFormat imageFormat, Appendable resultBuffer, IWikiModel model)
throws IOException {
Map<String, String> map = imageTagNode.getAttributes();
String caption = imageFormat.getCaption();
String alt = null;
if (caption != null && caption.length() > 0) {
alt = imageFormat.getAlt();
caption = Utils.escapeXml(caption, true, false, true);
}
if (alt == null) {
alt = "";
}
String location = imageFormat.getLocation();
String type = imageFormat.getType();
int pxWidth = imageFormat.getWidth();
int pxHeight = imageFormat.getHeight();
if ("thumb".equals(type) || "frame".equals(type)) {
imageThumbToHTML(imageTagNode, resultBuffer, model, map, caption, alt, location, type, pxWidth, pxHeight);
} else {
imageSimpleToHTML(imageTagNode, resultBuffer, model, map, caption, alt, location, type, pxWidth, pxHeight);
}
}
private void imageThumbToHTML(TagNode imageTagNode, Appendable resultBuffer, IWikiModel model, Map<String, String> map,
String caption, String alt, String location, String type, int pxWidth, int pxHeight) throws IOException {
resultBuffer.append("\n<div class=\"thumb ");
if ("left".equals(location)) {
resultBuffer.append("tleft\"");
} else if ("right".equals(location)) {
resultBuffer.append("tright\"");
} else {
resultBuffer.append("tright\"");
}
resultBuffer.append('>');
boolean hasDimensions = pxHeight != -1 || pxWidth != -1;
if (hasDimensions) {
int pxWidthThumbinner = pxWidth;
if ("thumb".equals(type)) {
pxWidthThumbinner += 2;
resultBuffer.append("\n<div class=\"thumbinner\" style=\"");
} else {
resultBuffer.append("<div style=\"");
}
if (pxHeight != -1) {
resultBuffer.append("height:").append(Integer.toString(pxHeight)).append("px;");
}
if (pxWidth != -1) {
resultBuffer.append("width:").append(Integer.toString(pxWidthThumbinner)).append("px;");
}
resultBuffer.append("\">");
}
String href = map.get("href");
if (href != null) {
resultBuffer.append("<a class=\"internal\" href=\"").append(href).append("\" ");
if (caption != null && caption.length() > 0) {
resultBuffer.append("title=\"").append((alt.length() == 0) ? caption : alt).append('"');
}
resultBuffer.append('>');
}
resultBuffer.append("<img src=\"").append(map.get("src")).append('"');
if (caption != null && caption.length() > 0) {
if (alt.length() == 0) {
resultBuffer.append(" alt=\"").append(caption).append('"').append(" title=\"").append(caption).append('"');
} else {
resultBuffer.append(" alt=\"").append(alt).append('"').append(" title=\"").append(alt).append('"');
}
}
StringBuilder clazz = null;
if (location != null && !(location.equalsIgnoreCase("none"))) {
clazz = new StringBuilder(64);
clazz.append(" class=\"location-");
clazz.append(location);
}
if (type != null) {
if (clazz == null) {
clazz = new StringBuilder(64);
clazz.append(" class=\"");
} else {
clazz.append(" ");
}
clazz.append("type-").append(type);
}
if (clazz != null) {
resultBuffer.append(clazz).append('"');
}
if (pxHeight != -1) {
resultBuffer.append(" height=\"").append(Integer.toString(pxHeight)).append('"');
}
if (pxWidth != -1) {
resultBuffer.append(" width=\"").append(Integer.toString(pxWidth)).append('\"');
}
resultBuffer.append(" />\n");
if (href != null) {
resultBuffer.append("</a>");
}
List<Object> children = imageTagNode.getChildren();
if (children.size() != 0) {
nodesToText(children, resultBuffer, model);
}
if (hasDimensions) {
resultBuffer.append("</div>\n");
}
resultBuffer.append("</div>\n");
}
private void imageSimpleToHTML(TagNode imageTagNode, Appendable resultBuffer, IWikiModel model, Map<String, String> map,
String caption, String alt, String location, String type, int pxWidth, int pxHeight) throws IOException {
String href = map.get("href");
if (href != null) {
resultBuffer.append("<a class=\"image\" href=\"").append(href).append("\" ");
if (caption != null && caption.length() > 0) {
resultBuffer.append("title=\"").append((alt.length() == 0) ? caption : alt).append('"');
}
resultBuffer.append('>');
}
resultBuffer.append("<img src=\"").append(map.get("src")).append('"');
if (caption != null && caption.length() > 0) {
if (alt.length() == 0) {
resultBuffer.append(" alt=\"").append(caption).append('"');
} else {
resultBuffer.append(" alt=\"").append(alt).append('"');
}
}
StringBuilder clazz = null;
if (location != null && !(location.equalsIgnoreCase("none"))) {
clazz = new StringBuilder(64);
clazz.append(" class=\"location-");
clazz.append(location);
}
if (type != null) {
if (clazz == null) {
clazz = new StringBuilder(64);
clazz.append(" class=\"");
} else {
clazz.append(" ");
}
clazz.append(" type-").append(type);
}
if (clazz != null) {
resultBuffer.append(clazz).append('"');
}
if (pxHeight != -1) {
resultBuffer.append(" height=\"").append(Integer.toString(pxHeight)).append('"');
}
if (pxWidth != -1) {
resultBuffer.append(" width=\"").append(Integer.toString(pxWidth)).append('\"');
}
resultBuffer.append(" />\n");
if (href != null) {
resultBuffer.append("</a>");
}
List<Object> children = imageTagNode.getChildren();
if (children.size() != 0) {
nodesToText(children, resultBuffer, model);
}
}
public boolean noLinks() {
return fNoLinks;
}
}