diff options
Diffstat (limited to 'infrastructure/rhino1_7R1/xmlimplsrc/org/mozilla/javascript/xmlimpl/XmlProcessor.java')
| -rw-r--r-- | infrastructure/rhino1_7R1/xmlimplsrc/org/mozilla/javascript/xmlimpl/XmlProcessor.java | 445 |
1 files changed, 0 insertions, 445 deletions
diff --git a/infrastructure/rhino1_7R1/xmlimplsrc/org/mozilla/javascript/xmlimpl/XmlProcessor.java b/infrastructure/rhino1_7R1/xmlimplsrc/org/mozilla/javascript/xmlimpl/XmlProcessor.java deleted file mode 100644 index d8ad495..0000000 --- a/infrastructure/rhino1_7R1/xmlimplsrc/org/mozilla/javascript/xmlimpl/XmlProcessor.java +++ /dev/null @@ -1,445 +0,0 @@ -/* ***** BEGIN LICENSE BLOCK ***** - * Version: MPL 1.1/GPL 2.0 - * - * The contents of this file are subject to the Mozilla Public License Version - * 1.1 (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS IS" basis, - * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License - * for the specific language governing rights and limitations under the - * License. - * - * The Original Code is Rhino DOM-only E4X implementation. - * - * The Initial Developer of the Original Code is - * David P. Caldwell. - * Portions created by David P. Caldwell are Copyright (C) - * 2007 David P. Caldwell. All Rights Reserved. - * - * - * Contributor(s): - * David P. Caldwell <inonit@inonit.com> - * - * Alternatively, the contents of this file may be used under the terms of - * the GNU General Public License Version 2 or later (the "GPL"), in which - * case the provisions of the GPL are applicable instead of those above. If - * you wish to allow use of your version of this file only under the terms of - * the GPL and not to allow others to use your version of this file under the - * MPL, indicate your decision by deleting the provisions above and replacing - * them with the notice and other provisions required by the GPL. If you do - * not delete the provisions above, a recipient may use your version of this - * file under either the MPL or the GPL. - * - * ***** END LICENSE BLOCK ***** */ - -package org.mozilla.javascript.xmlimpl; - -import org.w3c.dom.*; - -import javax.xml.parsers.DocumentBuilder; - -import org.mozilla.javascript.*; - -// Disambiguate from org.mozilla.javascript.Node -import org.w3c.dom.Node; -import org.xml.sax.ErrorHandler; -import org.xml.sax.SAXParseException; - -class XmlProcessor { - private boolean ignoreComments; - private boolean ignoreProcessingInstructions; - private boolean ignoreWhitespace; - private boolean prettyPrint; - private int prettyIndent; - - private javax.xml.parsers.DocumentBuilderFactory dom; - private javax.xml.transform.TransformerFactory xform; - private DocumentBuilder documentBuilder; - private RhinoSAXErrorHandler errorHandler = new RhinoSAXErrorHandler(); - - - private static class RhinoSAXErrorHandler implements ErrorHandler { - - private void throwError(SAXParseException e) { - throw ScriptRuntime.constructError("TypeError", e.getMessage(), - e.getLineNumber() - 1); - } - - public void error(SAXParseException e) { - throwError(e); - } - - public void fatalError(SAXParseException e) { - throwError(e); - } - - public void warning(SAXParseException e) { - Context.reportWarning(e.getMessage()); - } - } - - XmlProcessor() { - setDefault(); - this.dom = javax.xml.parsers.DocumentBuilderFactory.newInstance(); - this.dom.setNamespaceAware(true); - this.dom.setIgnoringComments(false); - this.xform = javax.xml.transform.TransformerFactory.newInstance(); - } - - final void setDefault() { - this.setIgnoreComments(true); - this.setIgnoreProcessingInstructions(true); - this.setIgnoreWhitespace(true); - this.setPrettyPrinting(true); - this.setPrettyIndent(2); - } - - final void setIgnoreComments(boolean b) { - this.ignoreComments = b; - } - - final void setIgnoreWhitespace(boolean b) { - this.ignoreWhitespace = b; - } - - final void setIgnoreProcessingInstructions(boolean b) { - this.ignoreProcessingInstructions = b; - } - - final void setPrettyPrinting(boolean b) { - this.prettyPrint = b; - } - - final void setPrettyIndent(int i) { - this.prettyIndent = i; - } - - final boolean isIgnoreComments() { - return ignoreComments; - } - - final boolean isIgnoreProcessingInstructions() { - return ignoreProcessingInstructions; - } - - final boolean isIgnoreWhitespace() { - return ignoreWhitespace; - } - - final boolean isPrettyPrinting() { - return prettyPrint; - } - - final int getPrettyIndent() { - return prettyIndent; - } - - private String toXmlNewlines(String rv) { - StringBuffer nl = new StringBuffer(); - for (int i=0; i<rv.length(); i++) { - if (rv.charAt(i) == '\r') { - if (rv.charAt(i+1) == '\n') { - // DOS, do nothing and skip the \r - } else { - // Macintosh, substitute \n - nl.append('\n'); - } - } else { - nl.append(rv.charAt(i)); - } - } - return nl.toString(); - } - - private javax.xml.parsers.DocumentBuilderFactory getDomFactory() { - return dom; - } - - private synchronized DocumentBuilder getDocumentBuilderFromPool() - throws javax.xml.parsers.ParserConfigurationException - { - DocumentBuilder result; - if (documentBuilder == null) { - javax.xml.parsers.DocumentBuilderFactory factory = getDomFactory(); - result = factory.newDocumentBuilder(); - } else { - result = documentBuilder; - documentBuilder = null; - } - result.setErrorHandler(errorHandler); - return result; - } - - private synchronized void returnDocumentBuilderToPool(DocumentBuilder db) { - if (documentBuilder == null) { - documentBuilder = db; - documentBuilder.reset(); - } - } - - private void addProcessingInstructionsTo(java.util.Vector v, Node node) { - if (node instanceof ProcessingInstruction) { - v.add(node); - } - if (node.getChildNodes() != null) { - for (int i=0; i<node.getChildNodes().getLength(); i++) { - addProcessingInstructionsTo(v, node.getChildNodes().item(i)); - } - } - } - - private void addCommentsTo(java.util.Vector v, Node node) { - if (node instanceof Comment) { - v.add(node); - } - if (node.getChildNodes() != null) { - for (int i=0; i<node.getChildNodes().getLength(); i++) { - addProcessingInstructionsTo(v, node.getChildNodes().item(i)); - } - } - } - - private void addTextNodesToRemoveAndTrim(java.util.Vector toRemove, Node node) { - if (node instanceof Text) { - Text text = (Text)node; - boolean BUG_369394_IS_VALID = false; - if (!BUG_369394_IS_VALID) { - text.setData(text.getData().trim()); - } else { - if (text.getData().trim().length() == 0) { - text.setData(""); - } - } - if (text.getData().length() == 0) { - toRemove.add(node); - } - } - if (node.getChildNodes() != null) { - for (int i=0; i<node.getChildNodes().getLength(); i++) { - addTextNodesToRemoveAndTrim(toRemove, node.getChildNodes().item(i)); - } - } - } - - final Node toXml(String defaultNamespaceUri, String xml) throws org.xml.sax.SAXException { - // See ECMA357 10.3.1 - DocumentBuilder builder = null; - try { - String syntheticXml = "<parent xmlns=\"" + defaultNamespaceUri + - "\">" + xml + "</parent>"; - builder = getDocumentBuilderFromPool(); - Document document = builder.parse( new org.xml.sax.InputSource(new java.io.StringReader(syntheticXml)) ); - if (ignoreProcessingInstructions) { - java.util.Vector v = new java.util.Vector(); - addProcessingInstructionsTo(v, document); - for (int i=0; i<v.size(); i++) { - Node node = (Node)v.elementAt(i); - node.getParentNode().removeChild(node); - } - } - if (ignoreComments) { - java.util.Vector v = new java.util.Vector(); - addCommentsTo(v, document); - for (int i=0; i<v.size(); i++) { - Node node = (Node)v.elementAt(i); - node.getParentNode().removeChild(node); - } - } - if (ignoreWhitespace) { - // Apparently JAXP setIgnoringElementContentWhitespace() has a different meaning, it appears from the Javadoc - // Refers to element-only content models, which means we would need to have a validating parser and DTD or schema - // so that it would know which whitespace to ignore. - - // Instead we will try to delete it ourselves. - java.util.Vector v = new java.util.Vector(); - addTextNodesToRemoveAndTrim(v, document); - for (int i=0; i<v.size(); i++) { - Node node = (Node)v.elementAt(i); - node.getParentNode().removeChild(node); - } - } - NodeList rv = document.getDocumentElement().getChildNodes(); - if (rv.getLength() > 1) { - throw ScriptRuntime.constructError("SyntaxError", "XML objects may contain at most one node."); - } else if (rv.getLength() == 0) { - Node node = document.createTextNode(""); - return node; - } else { - Node node = rv.item(0); - document.getDocumentElement().removeChild(node); - return node; - } - } catch (java.io.IOException e) { - throw new RuntimeException("Unreachable."); - } catch (javax.xml.parsers.ParserConfigurationException e) { - throw new RuntimeException(e); - } finally { - if (builder != null) - returnDocumentBuilderToPool(builder); - } - } - - Document newDocument() { - DocumentBuilder builder = null; - try { - // TODO Should this use XML settings? - builder = getDocumentBuilderFromPool(); - return builder.newDocument(); - } catch (javax.xml.parsers.ParserConfigurationException ex) { - // TODO How to handle these runtime errors? - throw new RuntimeException(ex); - } finally { - if (builder != null) - returnDocumentBuilderToPool(builder); - } - } - - // TODO Cannot remember what this is for, so whether it should use settings or not - private String toString(Node node) { - javax.xml.transform.dom.DOMSource source = new javax.xml.transform.dom.DOMSource(node); - java.io.StringWriter writer = new java.io.StringWriter(); - javax.xml.transform.stream.StreamResult result = new javax.xml.transform.stream.StreamResult(writer); - try { - javax.xml.transform.Transformer transformer = xform.newTransformer(); - transformer.setOutputProperty(javax.xml.transform.OutputKeys.OMIT_XML_DECLARATION, "yes"); - transformer.setOutputProperty(javax.xml.transform.OutputKeys.INDENT, "no"); - transformer.setOutputProperty(javax.xml.transform.OutputKeys.METHOD, "xml"); - transformer.transform(source, result); - } catch (javax.xml.transform.TransformerConfigurationException ex) { - // TODO How to handle these runtime errors? - throw new RuntimeException(ex); - } catch (javax.xml.transform.TransformerException ex) { - // TODO How to handle these runtime errors? - throw new RuntimeException(ex); - } - return toXmlNewlines(writer.toString()); - } - - String escapeAttributeValue(Object value) { - String text = ScriptRuntime.toString(value); - - if (text.length() == 0) return ""; - - Document dom = newDocument(); - Element e = dom.createElement("a"); - e.setAttribute("b", text); - String elementText = toString(e); - int begin = elementText.indexOf('"'); - int end = elementText.lastIndexOf('"'); - return elementText.substring(begin+1,end); - } - - String escapeTextValue(Object value) { - if (value instanceof XMLObjectImpl) { - return ((XMLObjectImpl)value).toXMLString(); - } - - String text = ScriptRuntime.toString(value); - - if (text.length() == 0) return text; - - Document dom = newDocument(); - Element e = dom.createElement("a"); - e.setTextContent(text); - String elementText = toString(e); - - int begin = elementText.indexOf('>') + 1; - int end = elementText.lastIndexOf('<'); - return (begin < end) ? elementText.substring(begin, end) : ""; - } - - private String escapeElementValue(String s) { - // TODO Check this - return escapeTextValue(s); - } - - private String elementToXmlString(Element element) { - // TODO My goodness ECMA is complicated (see 10.2.1). We'll try this first. - Element copy = (Element)element.cloneNode(true); - if (prettyPrint) { - beautifyElement(copy, 0); - } - return toString(copy); - } - - final String ecmaToXmlString(Node node) { - // See ECMA 357 Section 10.2.1 - StringBuffer s = new StringBuffer(); - int indentLevel = 0; - if (prettyPrint) { - for (int i=0; i<indentLevel; i++) { - s.append(' '); - } - } - if (node instanceof Text) { - String data = ((Text)node).getData(); - // TODO Does Java trim() work same as XMLWhitespace? - String v = (prettyPrint) ? data.trim() : data; - s.append(escapeElementValue(v)); - return s.toString(); - } - if (node instanceof Attr) { - String value = ((Attr)node).getValue(); - s.append(escapeAttributeValue(value)); - return s.toString(); - } - if (node instanceof Comment) { - s.append("<!--" + ((Comment)node).getNodeValue() + "-->"); - return s.toString(); - } - if (node instanceof ProcessingInstruction) { - ProcessingInstruction pi = (ProcessingInstruction)node; - s.append("<?" + pi.getTarget() + " " + pi.getData() + "?>"); - return s.toString(); - } - s.append(elementToXmlString((Element)node)); - return s.toString(); - } - - private void beautifyElement(Element e, int indent) { - StringBuffer s = new StringBuffer(); - s.append('\n'); - for (int i=0; i<indent; i++) { - s.append(' '); - } - String afterContent = s.toString(); - for (int i=0; i<prettyIndent; i++) { - s.append(' '); - } - String beforeContent = s.toString(); - - // We "mark" all the nodes first; if we tried to do this loop otherwise, it would behave unexpectedly (the inserted nodes - // would contribute to the length and it might never terminate). - java.util.Vector toIndent = new java.util.Vector(); - boolean indentChildren = false; - for (int i=0; i<e.getChildNodes().getLength(); i++) { - if (i == 1) indentChildren = true; - if (e.getChildNodes().item(i) instanceof Text) { - toIndent.add(e.getChildNodes().item(i)); - } else { - indentChildren = true; - toIndent.add(e.getChildNodes().item(i)); - } - } - if (indentChildren) { - for (int i=0; i<toIndent.size(); i++) { - e.insertBefore( e.getOwnerDocument().createTextNode(beforeContent), (Node)toIndent.elementAt(i) ); - } - } - NodeList nodes = e.getChildNodes(); - java.util.Vector v = new java.util.Vector(); - for (int i=0; i<nodes.getLength(); i++) { - if (nodes.item(i) instanceof Element) { - v.add( nodes.item(i) ); - } - } - for (int i=0; i<v.size(); i++) { - beautifyElement( (Element)v.elementAt(i), indent + prettyIndent ); - } - if (indentChildren) { - e.appendChild( e.getOwnerDocument().createTextNode(afterContent) ); - } - } -} |