/* TransformerImpl.java --
- Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2004,2005,2006 Free Software Foundation, Inc.
This file is part of GNU Classpath.
{
// Suppress mutation events
((DomDocument) doc).setBuilding(true);
- // TODO find a better/more generic way of doing this than
- // casting
}
// Get the result tree
Node parent = null, nextSibling = null;
DomDocument drdoc = (DomDocument) rdoc;
drdoc.setBuilding(true);
drdoc.setCheckWellformedness(false);
- // TODO find a better/more generic way of doing this than
- // casting
}
}
boolean created = false;
{
// Done transforming, reset document
if (doc instanceof DomDocument)
- {
- ((DomDocument) doc).setBuilding(false);
- }
+ ((DomDocument) doc).setBuilding(false);
throw e;
}
}
}
Document sourceDoc = context.getOwnerDocument();
if (sourceDoc != resultDoc)
- {
- clone = resultDoc.adoptNode(clone);
- }
+ clone = resultDoc.adoptNode(clone);
if (nextSibling != null)
- {
- parent.insertBefore(clone, nextSibling);
- }
+ parent.insertBefore(clone, nextSibling);
else
- {
- parent.appendChild(clone);
- }
+ parent.appendChild(clone);
}
else
{
DomDocument resultDoc = (DomDocument) parent;
Node root = resultDoc.getDocumentElement();
// Add doctype if specified
- if ((publicId != null || systemId != null) &&
- root != null)
+ if (publicId != null || systemId != null)
{
- // We must know the name of the root element to
- // create the document type
- resultDoc.appendChild(new DomDoctype(resultDoc,
- root.getNodeName(),
- publicId,
- systemId));
+ if (root != null)
+ {
+ // We must know the name of the root element to
+ // create the document type
+ DocumentType doctype = new DomDoctype(resultDoc,
+ root.getNodeName(),
+ publicId,
+ systemId);
+ resultDoc.insertBefore(doctype, root);
+ }
}
resultDoc.setBuilding(false);
resultDoc.setCheckWellformedness(true);
(Document) parent :
parent.getOwnerDocument();
DOMImplementation impl = resultDoc.getImplementation();
- DocumentType doctype =
- impl.createDocumentType(resultDoc.getNodeName(),
- publicId,
- systemId);
- // Try to insert doctype before first element
- Node ctx = parent.getFirstChild();
- for (; ctx != null &&
- ctx.getNodeType() != Node.ELEMENT_NODE;
- ctx = ctx.getNextSibling())
+ Node root = resultDoc.getDocumentElement();
+ if (root != null)
{
- }
- if (ctx != null)
- {
- parent.insertBefore(doctype, ctx);
- }
- else
- {
- parent.appendChild(doctype);
+ DocumentType doctype =
+ impl.createDocumentType(root.getNodeName(),
+ publicId,
+ systemId);
+ resultDoc.insertBefore(doctype, root);
}
}
}
if (version != null)
- {
- parent.setUserData("version", version, stylesheet);
- }
+ parent.setUserData("version", version, stylesheet);
if (omitXmlDeclaration)
- {
- parent.setUserData("omit-xml-declaration", "yes", stylesheet);
- }
+ parent.setUserData("omit-xml-declaration", "yes", stylesheet);
if (standalone)
- {
- parent.setUserData("standalone", "yes", stylesheet);
- }
+ parent.setUserData("standalone", "yes", stylesheet);
if (mediaType != null)
- {
- parent.setUserData("media-type", mediaType, stylesheet);
- }
+ parent.setUserData("media-type", mediaType, stylesheet);
if (cdataSectionElements != null)
{
List list = new LinkedList();
if (ex != null)
{
if (errorListener != null)
- {
- errorListener.error(new TransformerException(ex));
- }
+ errorListener.error(new TransformerException(ex));
else
- {
- ex.printStackTrace(System.err);
- }
+ ex.printStackTrace(System.err);
}
}
else if (outputTarget instanceof SAXResult)
ContentHandler ch = sr.getHandler();
LexicalHandler lh = sr.getLexicalHandler();
if (lh == null && ch instanceof LexicalHandler)
- {
- lh = (LexicalHandler) ch;
- }
+ lh = (LexicalHandler) ch;
SAXSerializer serializer = new SAXSerializer();
serializer.serialize(parent, ch, lh);
}
catch (SAXException e)
{
if (errorListener != null)
- {
- errorListener.error(new TransformerException(e));
- }
+ errorListener.error(new TransformerException(e));
else
- {
- e.printStackTrace(System.err);
- }
+ e.printStackTrace(System.err);
}
}
}
/**
* Strip whitespace from the source tree.
*/
- void strip(Node node)
+ boolean strip(Node node)
throws TransformerConfigurationException
{
short nt = node.getNodeType();
{
// Replace entity reference with its content
Node parent = node.getParentNode();
+ Node nextSibling = node.getNextSibling();
Node child = node.getFirstChild();
- if (child != null)
- {
- strip(child);
- }
while (child != null)
{
Node next = child.getNextSibling();
node.removeChild(child);
- parent.insertBefore(child, node);
+ if (nextSibling != null)
+ parent.insertBefore(child, nextSibling);
+ else
+ parent.appendChild(child);
child = next;
}
- parent.removeChild(node);
+ return true;
}
if (nt == Node.TEXT_NODE || nt == Node.CDATA_SECTION_NODE)
{
- if (!stylesheet.isPreserved((Text) node))
+ // Denormalize text into whitespace and non-whitespace nodes
+ String text = node.getNodeValue();
+ String[] tokens = tokenizeWhitespace(text);
+ if (tokens.length > 1)
{
- node.getParentNode().removeChild(node);
- }
- else
- {
- String text = node.getNodeValue();
- String stripped = text.trim();
- if (!text.equals(stripped))
+ node.setNodeValue(tokens[0]);
+ Node parent = node.getParentNode();
+ Node nextSibling = node.getNextSibling();
+ Document doc = node.getOwnerDocument();
+ for (int i = 1; i < tokens.length; i++)
{
- node.setNodeValue(stripped);
+ Node newChild = (nt == Node.CDATA_SECTION_NODE) ?
+ doc.createCDATASection(tokens[i]) :
+ doc.createTextNode(tokens[i]);
+ if (nextSibling != null)
+ parent.insertBefore(newChild, nextSibling);
+ else
+ parent.appendChild(newChild);
}
}
+ return !stylesheet.isPreserved((Text) node, true);
}
else
{
- for (Node child = node.getFirstChild(); child != null;
- child = child.getNextSibling())
+ Node child = node.getFirstChild();
+ while (child != null)
{
- strip(child);
+ boolean remove = strip(child);
+ Node next = child.getNextSibling();
+ if (remove)
+ node.removeChild(child);
+ child = next;
}
}
+ return false;
+ }
+
+ /**
+ * Tokenize the specified text into contiguous whitespace-only and
+ * non-whitespace chunks.
+ */
+ private static String[] tokenizeWhitespace(String text)
+ {
+ int len = text.length();
+ int start = 0, end = len - 1;
+ // Find index of text start
+ for (int i = 0; i < len; i++)
+ {
+ char c = text.charAt(i);
+ boolean whitespace = (c == ' ' || c == '\n' || c == '\t' || c == '\r');
+ if (whitespace)
+ start++;
+ else
+ break;
+ }
+ if (start == end) // all whitespace
+ return new String[] { text };
+ // Find index of text end
+ for (int i = end; i > start; i--)
+ {
+ char c = text.charAt(i);
+ boolean whitespace = (c == ' ' || c == '\n' || c == '\t' || c == '\r');
+ if (whitespace)
+ end--;
+ else
+ break;
+ }
+ if (start == 0 && end == len - 1) // all non-whitespace
+ return new String[] { text };
+ // whitespace, then text, then whitespace
+ String[] ret = (start > 0 && end < len - 1) ?
+ new String[3] : new String[2];
+ int i = 0;
+ if (start > 0)
+ ret[i++] = text.substring(0, start);
+ ret[i++] = text.substring(start, end + 1);
+ if (end < len - 1)
+ ret[i++] = text.substring(end + 1);
+ return ret;
}
/**
throws IOException
{
OutputStream out = null;
+ boolean created = false;
try
{
out = sr.getOutputStream();
{
Writer writer = sr.getWriter();
if (writer != null)
- {
- out = new WriterOutputStream(writer);
- }
+ out = new WriterOutputStream(writer);
}
if (out == null)
{
URL url = new URL(systemId);
out = new FileOutputStream(url.getPath());
}
+ created = true;
}
out = new BufferedOutputStream(out);
StreamSerializer serializer =
{
try
{
- if (out != null)
- {
- out.close();
- }
+ if (out != null && created)
+ out.close();
}
catch (IOException e)
{
public void setParameter(String name, Object value)
{
if (stylesheet != null)
- {
- stylesheet.bindings.set(new QName(null, name), value, Bindings.PARAM);
- }
+ stylesheet.bindings.set(new QName(null, name), value, Bindings.PARAM);
}
public Object getParameter(String name)
{
if (stylesheet != null)
- {
- return stylesheet.bindings.get(new QName(null, name), null, 1, 1);
- }
+ return stylesheet.bindings.get(new QName(null, name), null, 1, 1);
return null;
}
throws IllegalArgumentException
{
if (oformat == null)
- {
- outputProperties.clear();
- }
+ outputProperties.clear();
else
- {
- outputProperties.putAll(oformat);
- }
+ outputProperties.putAll(oformat);
}
public Properties getOutputProperties()
StringBuffer buf = new StringBuffer();
buf.append('\n');
for (int i = 0; i < offset + 1; i++)
- {
- buf.append(INDENT_WHITESPACE);
- }
+ buf.append(INDENT_WHITESPACE);
String ws = buf.toString();
for (Iterator i = children.iterator(); i.hasNext(); )
{
buf.append('\n');
ws = buf.toString();
for (int i = 0; i < offset; i++)
- {
- buf.append(INDENT_WHITESPACE);
- }
+ buf.append(INDENT_WHITESPACE);
node.appendChild(doc.createTextNode(ws));
}
}
while (ctx != null)
{
if (ctx.hasChildNodes())
- {
- convertCdataSectionElements(doc, ctx, list);
- }
+ convertCdataSectionElements(doc, ctx, list);
ctx = ctx.getNextSibling();
}
}
String ln1 = qname.getLocalPart();
String ln2 = node.getLocalName();
if (ln2 == null)
- {
- return ln1.equals(node.getNodeName());
- }
+ return ln1.equals(node.getNodeName());
else
{
String uri1 = qname.getNamespaceURI();
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