protected Hashtable unknownFOs = new Hashtable();
// namespace implementation ideas pinched from John Cowan
- protected static class NSMap {
- String prefix;
- String uri;
- int level;
+// protected static class NSMap {
+// String prefix;
+// String uri;
+// int level;
- NSMap(String prefix, String uri, int level) {
- this.prefix = prefix;
- this.uri = uri;
- this.level = level;
- }
- }
+// NSMap(String prefix, String uri, int level) {
+// this.prefix = prefix;
+// this.uri = uri;
+// this.level = level;
+// }
+// }
- protected int level = 0;
- protected Stack namespaceStack = new Stack();
+// protected int level = 0;
+// protected Stack namespaceStack = new Stack();
- {
- namespaceStack.push(new NSMap("xml",
- "http://www.w3.org/XML/1998/namespace",
- -1));
- namespaceStack.push(new NSMap("", "", -1));
- }
+// {
+// namespaceStack.push(new NSMap("xml",
+// "http://www.w3.org/XML/1998/namespace",
+// -1));
+// namespaceStack.push(new NSMap("", "", -1));
+// }
- protected String findURI(String prefix) {
- for (int i = namespaceStack.size() - 1; i >= 0; i--) {
- NSMap nsMap = (NSMap) (namespaceStack.elementAt(i));
- if (prefix.equals(nsMap.prefix)) return nsMap.uri;
- }
- return null;
- }
+// protected String findURI(String prefix) {
+// for (int i = namespaceStack.size() - 1; i >= 0; i--) {
+// NSMap nsMap = (NSMap) (namespaceStack.elementAt(i));
+// if (prefix.equals(nsMap.prefix)) return nsMap.uri;
+// }
+// return null;
+// }
- protected String mapName(String name)
- throws SAXException {
- int colon = name.indexOf(':');
- String prefix = "";
- String localPart = name;
- if (colon != -1) {
- prefix = name.substring(0, colon);
- localPart = name.substring(colon + 1);
- }
- String uri = findURI(prefix);
- if (uri == null) {
- if (prefix.equals("")) {
- return name;
- } else {
- throw new SAXException(new FOPException("Unknown namespace prefix " + prefix));
- }
- }
- return uri + "^" + localPart;
- }
+// protected String mapName(String name)
+// throws SAXException {
+// int colon = name.indexOf(':');
+// String prefix = "";
+// String localPart = name;
+// if (colon != -1) {
+// prefix = name.substring(0, colon);
+// localPart = name.substring(colon + 1);
+// }
+// String uri = findURI(prefix);
+// if (uri == null) {
+// if (prefix.equals("")) {
+// return name;
+// } else {
+// throw new SAXException(new FOPException("Unknown namespace prefix " + prefix));
+// }
+// }
+// return uri + "^" + localPart;
+// }
/**
* add a mapping from element name to maker.
String uri, String localName, String rawName) {
currentFObj.end();
currentFObj = (FObj) currentFObj.getParent();
- level--;
- while (((NSMap) namespaceStack.peek()).level > level) {
- namespaceStack.pop();
- }
+// level--;
+// while (((NSMap) namespaceStack.peek()).level > level) {
+// namespaceStack.pop();
+// }
}
/** SAX Handler for the start of the document */
/* the maker for the formatting object started */
FObj.Maker fobjMaker;
- level++;
- int length = attlist.getLength();
- for (int i = 0; i < length; i++) {
- String att = attlist.getQName(i);
- if (att.equals("xmlns")) {
- namespaceStack.push( new NSMap("",
- attlist.getValue(i),
- level));
- } else if (att.startsWith("xmlns:")) {
- String value = attlist.getValue(i);
- namespaceStack.push(new NSMap(att.substring(6), value,
- level));
- }
- }
-
- String fullName = mapName(rawName);
+// level++;
+// int length = attlist.getLength();
+// for (int i = 0; i < length; i++) {
+// String att = attlist.getQName(i);
+// if (att.equals("xmlns")) {
+// namespaceStack.push( new NSMap("",
+// attlist.getValue(i),
+// level));
+// } else if (att.startsWith("xmlns:")) {
+// String value = attlist.getValue(i);
+// namespaceStack.push(new NSMap(att.substring(6), value,
+// level));
+// }
+// }
+ //String fullName = mapName(rawName);
+ String fullName = uri + "^" + localName;
fobjMaker = (FObj.Maker) fobjTable.get(fullName);
- PropertyListBuilder currentListBuilder = (PropertyListBuilder)this.propertylistTable.get(uri);
+ PropertyListBuilder currentListBuilder =
+ (PropertyListBuilder)this.propertylistTable.get(uri);
if (fobjMaker == null) {
if (!this.unknownFOs.containsKey(fullName)) {
try {
PropertyList list = null;
if(currentListBuilder != null) {
- list = currentListBuilder.makeList(fullName, attlist,
- (currentFObj == null) ? null : currentFObj.properties);
+ list = currentListBuilder.makeList(fullName, attlist,
+ (currentFObj == null) ? null : currentFObj.properties);
}
fobj = fobjMaker.make(currentFObj, list);
} catch (FOPException e) {
import org.apache.fop.fo.pagination.Root;
// SAX
-import org.xml.sax.HandlerBase;
import org.xml.sax.SAXException;
-import org.xml.sax.InputSource;
import org.xml.sax.Attributes;
+import org.xml.sax.helpers.AttributesImpl;
+import org.xml.sax.DocumentHandler;
+import org.xml.sax.AttributeList;
// Java
import java.util.Hashtable;
/**
* SAX Handler that builds the formatting object tree.
*/
-public class XTFOTreeBuilder extends HandlerBase {
-
- /**
- * table mapping element names to the makers of objects
- * representing formatting objects
- */
- protected Hashtable fobjTable = new Hashtable();
-
- /**
- * class that builds a property list for each formatting object
- */
- protected Hashtable propertylistTable = new Hashtable();
-// protected PropertyListBuilder propertyListBuilder = new
-// PropertyListBuilder();
-
- /**
- * current formatting object being handled
- */
- protected FObj currentFObj = null;
-
- /**
- * the root of the formatting object tree
- */
- protected FObj rootFObj = null;
-
- /**
- * set of names of formatting objects encountered but unknown
- */
- protected Hashtable unknownFOs = new Hashtable();
+//public class XTFOTreeBuilder extends HandlerBase {
+public class XTFOTreeBuilder extends FOTreeBuilder
+ implements DocumentHandler {
// namespace implementation ideas pinched from John Cowan
protected static class NSMap {
}
protected int level = 0;
+ protected String m_uri = null;
+ protected String m_localPart = null;
protected Stack namespaceStack = new Stack();
{
protected String mapName(String name)
throws SAXException {
+
int colon = name.indexOf(':');
String prefix = "";
- String localPart = name;
+ m_localPart = name;
if (colon != -1) {
prefix = name.substring(0, colon);
- localPart = name.substring(colon + 1);
+ m_localPart = name.substring(colon + 1);
}
- String uri = findURI(prefix);
- if (uri == null) {
+ m_uri = findURI(prefix);
+ if (m_uri == null) {
if (prefix.equals("")) {
return name;
} else {
throw new SAXException(new FOPException("Unknown namespace prefix " + prefix));
}
}
- return uri + "^" + localPart;
- }
-
- /**
- * add a mapping from element name to maker.
- *
- * @param namespaceURI namespace URI of formatting object element
- * @param localName local name of formatting object element
- * @param maker Maker for class representing formatting object
- */
- public void addMapping(String namespaceURI, String localName,
- FObj.Maker maker) {
- this.fobjTable.put(namespaceURI + "^" + localName, maker);
- }
-
- /**
- * add a mapping from element name to maker.
- *
- * @param namespaceURI namespace URI of formatting object element
- * @param localName local name of formatting object element
- * @param maker Maker for class representing formatting object
- */
- public void addPropertyList(String namespaceURI, Hashtable list) {
- PropertyListBuilder plb;
- plb = (PropertyListBuilder)this.propertylistTable.get(namespaceURI);
- if(plb == null) {
- plb = new PropertyListBuilder();
- plb.addList(list);
- this.propertylistTable.put(namespaceURI, plb);
- } else {
- plb.addList(list);
- }
- }
-
- /**
- * add a mapping from element name to maker.
- *
- * @param namespaceURI namespace URI of formatting object element
- * @param localName local name of formatting object element
- * @param maker Maker for class representing formatting object
- */
- public void addElementPropertyList(String namespaceURI, String localName, Hashtable list) {
- PropertyListBuilder plb;
- plb = (PropertyListBuilder)this.propertylistTable.get(namespaceURI);
- if(plb == null) {
- plb = new PropertyListBuilder();
- plb.addElementList(localName, list);
- this.propertylistTable.put(namespaceURI, plb);
- } else {
- plb.addElementList(localName, list);
- }
- }
-
- /** SAX Handler for characters */
- public void characters(char data[], int start, int length) {
- currentFObj.addCharacters(data, start, start + length);
- }
-
- /** SAX Handler for the end of an element */
- public void endElement(
- String uri, String localName, String rawName) {
- currentFObj.end();
- currentFObj = (FObj) currentFObj.getParent();
- level--;
- while (((NSMap) namespaceStack.peek()).level > level) {
- namespaceStack.pop();
- }
+ return m_uri + "^" + m_localPart;
}
- /** SAX Handler for the start of the document */
- public void startDocument() {
- MessageHandler.logln("building formatting object tree");
+ /** SAX1 Handler for the end of an element */
+ public void endElement(String rawName) throws SAXException {
+ mapName(rawName);
+ super.endElement(m_uri, m_localPart, rawName);
+ level--;
+ while (((NSMap) namespaceStack.peek()).level > level) {
+ namespaceStack.pop();
+ }
}
- /** SAX Handler for the start of an element */
- public void startElement(String uri,
- String localName, String rawName, Attributes attlist)
+ /** SAX1 Handler for the start of an element */
+ public void startElement(String rawName, AttributeList attlist)
throws SAXException {
- /* the formatting object started */
- FObj fobj;
-
- /* the maker for the formatting object started */
- FObj.Maker fobjMaker;
+ // SAX2 version of AttributeList
+ AttributesImpl newAttrs = new AttributesImpl();
level++;
int length = attlist.getLength();
for (int i = 0; i < length; i++) {
- String att = attlist.getQName(i);
+ String att = attlist.getName(i);
if (att.equals("xmlns")) {
namespaceStack.push( new NSMap("",
attlist.getValue(i),
String value = attlist.getValue(i);
namespaceStack.push(new NSMap(att.substring(6), value,
level));
+ } else {
+ mapName(att);
+ newAttrs.addAttribute(m_uri, m_localPart, att,
+ attlist.getType(i), attlist.getValue(i));
}
- }
-
- String fullName = mapName(rawName);
-
- fobjMaker = (FObj.Maker) fobjTable.get(fullName);
- PropertyListBuilder plBuilder = (PropertyListBuilder)this.propertylistTable.get(uri);
-
- if (fobjMaker == null) {
- if (!this.unknownFOs.containsKey(fullName)) {
- this.unknownFOs.put(fullName, "");
- MessageHandler.errorln("WARNING: Unknown formatting object "
- + fullName);
- }
- fobjMaker = new FObjMixed.Maker(); // fall back
- }
-
- try {
- PropertyList list = plBuilder.makeList(fullName, attlist,
- (currentFObj == null) ? null : currentFObj.properties);
- fobj = fobjMaker.make(currentFObj, list);
- } catch (FOPException e) {
- throw new SAXException(e);
- }
- if (rootFObj == null) {
- rootFObj = fobj;
- if (!fobj.getName().equals("fo:root")) {
- throw new SAXException(new FOPException("Root element must"
- + " be root, not "
- + fobj.getName()));
- }
- } else {
- currentFObj.addChild(fobj);
}
-
- currentFObj = fobj;
- }
- /**
- * format this formatting object tree
- *
- * @param areaTree the area tree to format into
- */
- public void format(AreaTree areaTree)
- throws FOPException {
- MessageHandler.logln("formatting FOs into areas");
- ((Root) this.rootFObj).format(areaTree);
+ mapName(rawName);
+ super.startElement(m_uri, m_localPart, rawName, newAttrs);
}
}
projects / xmlgraphics-fop.git / commitdiff