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Switched to JDOMFactory for tree building

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Vhati 2013-08-28 08:19:48 -04:00
parent ab07a57174
commit 8d2713cb4d
1 changed files with 37 additions and 32 deletions
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69
src/main/java/net/vhati/modmanager/core/SloppyXMLParser.java
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@ -6,11 +6,15 @@ import java.util.regex.Matcher;
import java.util.regex.Pattern; import java.util.regex.Pattern;
import org.xml.sax.SAXParseException; import org.xml.sax.SAXParseException;
import org.jdom2.Attribute;
import org.jdom2.AttributeType;
import org.jdom2.CDATA; import org.jdom2.CDATA;
import org.jdom2.Comment; import org.jdom2.Comment;
import org.jdom2.Content; import org.jdom2.Content;
import org.jdom2.DefaultJDOMFactory;
import org.jdom2.Document; import org.jdom2.Document;
import org.jdom2.Element; import org.jdom2.Element;
import org.jdom2.JDOMFactory;
import org.jdom2.Namespace; import org.jdom2.Namespace;
import org.jdom2.Parent; import org.jdom2.Parent;
import org.jdom2.Text; import org.jdom2.Text;
@ -38,30 +42,36 @@ public class SloppyXMLParser {
private Pattern sTagPtn = Pattern.compile( "(\\s*)<(?:(\\w+):)?(\\w+)((?: [^>]+?)??)\\s*(/?)>" ); private Pattern sTagPtn = Pattern.compile( "(\\s*)<(?:(\\w+):)?(\\w+)((?: [^>]+?)??)\\s*(/?)>" );
private Pattern eTagPtn = Pattern.compile( "([^<]*)</\\s*([^>]+)>" ); private Pattern eTagPtn = Pattern.compile( "([^<]*)</\\s*([^>]+)>" );
private Pattern endSpacePtn = Pattern.compile( "\\s+$" ); private Pattern endSpacePtn = Pattern.compile( "\\s+$" );
private Pattern strayECommentPtn = Pattern.compile( "(\\s*)-->" ); private Pattern strayCharsPtn = Pattern.compile( "(\\s*)(?:-->|[-.>,])" );
private Pattern strayCharsPtn = Pattern.compile( "(\\s*)[-.>,]" );
private Pattern attrPtn = Pattern.compile( "\\s*(?:(\\w+):)?(\\w+)\\s*=\\s*(\"[^\"]*\"|'[^']*')" ); private Pattern attrPtn = Pattern.compile( "\\s*(?:(\\w+):)?(\\w+)\\s*=\\s*(\"[^\"]*\"|'[^']*')" );
private List<Pattern> chunkPtns = new ArrayList<Pattern>(); private List<Pattern> chunkPtns = new ArrayList<Pattern>();
private JDOMFactory factory;
public SloppyXMLParser() { public SloppyXMLParser() {
this( null );
}
public SloppyXMLParser( JDOMFactory factory ) {
if ( factory == null ) factory = new DefaultJDOMFactory();
this.factory = factory;
chunkPtns.add( declPtn ); chunkPtns.add( declPtn );
chunkPtns.add( commentPtn ); chunkPtns.add( commentPtn );
chunkPtns.add( cdataPtn ); chunkPtns.add( cdataPtn );
chunkPtns.add( sTagPtn ); chunkPtns.add( sTagPtn );
chunkPtns.add( eTagPtn ); chunkPtns.add( eTagPtn );
chunkPtns.add( endSpacePtn ); chunkPtns.add( endSpacePtn );
chunkPtns.add( strayECommentPtn );
chunkPtns.add( strayCharsPtn ); chunkPtns.add( strayCharsPtn );
} }
public Document build( CharSequence s ) throws JDOMParseException { public Document build( CharSequence s ) throws JDOMParseException {
Document doc = new Document(); Element rootNode = factory.element( "wrapper" );
Element rootNode = new Element( "wrapper" ); Document doc = factory.document( rootNode );
doc.setRootElement( rootNode );
Parent parentNode = rootNode; Parent parentNode = rootNode;
int sLen = s.length(); int sLen = s.length();
@ -84,25 +94,25 @@ public class SloppyXMLParser {
else if ( chunkPtn == commentPtn ) { else if ( chunkPtn == commentPtn ) {
String whitespace = m.group( 1 ); String whitespace = m.group( 1 );
if ( whitespace.length() > 0 ) if ( whitespace.length() > 0 )
parentNode.addContent( new Text( whitespace ) ); factory.addContent( parentNode, factory.text( whitespace ) );
tmp = m.group( 2 ); tmp = m.group( 2 );
tmp = tmp.replaceAll( "^-+|(?<=-)-+|-+$", "" ); tmp = tmp.replaceAll( "^-+|(?<=-)-+|-+$", "" );
Comment commentNode = new Comment( tmp ); Comment commentNode = factory.comment( tmp );
parentNode.addContent( commentNode ); factory.addContent( parentNode, commentNode );
} }
else if ( chunkPtn == cdataPtn ) { else if ( chunkPtn == cdataPtn ) {
String whitespace = m.group( 1 ); String whitespace = m.group( 1 );
if ( whitespace.length() > 0 ) if ( whitespace.length() > 0 )
parentNode.addContent( new Text( whitespace ) ); factory.addContent( parentNode, factory.text( whitespace ) );
CDATA cdataNode = new CDATA( m.group(2) ); CDATA cdataNode = factory.cdata( m.group(2) );
parentNode.addContent( cdataNode ); factory.addContent( parentNode, cdataNode );
} }
else if ( chunkPtn == sTagPtn ) { else if ( chunkPtn == sTagPtn ) {
String whitespace = m.group( 1 ); String whitespace = m.group( 1 );
if ( whitespace.length() > 0 ) if ( whitespace.length() > 0 )
parentNode.addContent( new Text( whitespace ) ); factory.addContent( parentNode, factory.text( whitespace ) );
String nodePrefix = m.group( 2 ); // Might be null. String nodePrefix = m.group( 2 ); // Might be null.
String nodeName = m.group( 3 ); String nodeName = m.group( 3 );
@ -112,10 +122,10 @@ public class SloppyXMLParser {
Element tagNode; Element tagNode;
if ( nodePrefix != null ) { if ( nodePrefix != null ) {
Namespace nodeNS = Namespace.getNamespace( nodePrefix, nodePrefix ); // URI? *shrug* Namespace nodeNS = Namespace.getNamespace( nodePrefix, nodePrefix ); // URI? *shrug*
rootNode.addNamespaceDeclaration( nodeNS ); factory.addNamespaceDeclaration( rootNode, nodeNS );
tagNode = new Element( nodeName, nodeNS ); tagNode = factory.element( nodeName, nodeNS );
} else { } else {
tagNode = new Element( nodeName ); tagNode = factory.element( nodeName );
} }
if ( attrString.length() > 0 ) { if ( attrString.length() > 0 ) {
@ -131,15 +141,17 @@ public class SloppyXMLParser {
// This is a pseudo attribute declaring a namespace. // This is a pseudo attribute declaring a namespace.
// Move it to the root node. // Move it to the root node.
Namespace attrNS = Namespace.getNamespace( attrName, attrName ); // URI? *shrug* Namespace attrNS = Namespace.getNamespace( attrName, attrName ); // URI? *shrug*
rootNode.addNamespaceDeclaration( attrNS ); factory.addNamespaceDeclaration( rootNode, attrNS );
} }
else { else {
Namespace attrNS = Namespace.getNamespace( attrPrefix, attrPrefix ); // URI? *shrug* Namespace attrNS = Namespace.getNamespace( attrPrefix, attrPrefix ); // URI? *shrug*
rootNode.addNamespaceDeclaration( attrNS ); factory.addNamespaceDeclaration( rootNode, attrNS );
tagNode.setAttribute( attrName, attrValue, attrNS ); Attribute attrObj = factory.attribute( attrName, attrValue, AttributeType.UNDECLARED, attrNS );
factory.setAttribute( tagNode, attrObj );
} }
} else { } else {
tagNode.setAttribute( attrName, attrValue ); Attribute attrObj = factory.attribute( attrName, attrValue, AttributeType.UNDECLARED, Namespace.NO_NAMESPACE );
factory.setAttribute( tagNode, attrObj );
} }
am.region( am.end(), am.regionEnd() ); am.region( am.end(), am.regionEnd() );
} }
@ -153,30 +165,23 @@ public class SloppyXMLParser {
} }
} }
parentNode.addContent( tagNode ); factory.addContent( parentNode, tagNode );
if ( !selfClosing ) parentNode = tagNode; if ( !selfClosing ) parentNode = tagNode;
} }
else if ( chunkPtn == eTagPtn ) { else if ( chunkPtn == eTagPtn ) {
String interimText = m.group( 1 ); String interimText = m.group( 1 );
parentNode.addContent( new Text( interimText ) ); factory.addContent( parentNode, factory.text( interimText ) );
parentNode = parentNode.getParent(); parentNode = parentNode.getParent();
} }
else if ( chunkPtn == endSpacePtn ) { else if ( chunkPtn == endSpacePtn ) {
// This is the end of the document. // This is the end of the document.
} }
else if ( chunkPtn == strayECommentPtn ) {
// Stray end-comment bracket.
String whitespace = m.group( 1 );
if ( whitespace.length() > 0 )
parentNode.addContent( new Text( whitespace ) );
}
else if ( chunkPtn == strayCharsPtn ) { else if ( chunkPtn == strayCharsPtn ) {
// Non-space junk between an end tag and a start tag. // Non-space junk between an end tag and a start tag.
String whitespace = m.group( 1 ); String whitespace = m.group( 1 );
if ( whitespace.length() > 0 ) if ( whitespace.length() > 0 )
parentNode.addContent( new Text( whitespace ) ); factory.addContent( parentNode, factory.text( whitespace ) );
} }
matchedChunk = true; matchedChunk = true;
@ -201,9 +206,9 @@ public class SloppyXMLParser {
Element newRoot = rootNode.getChildren().get( 0 ); Element newRoot = rootNode.getChildren().get( 0 );
newRoot.detach(); newRoot.detach();
for ( Namespace ns : rootNode.getAdditionalNamespaces() ) { for ( Namespace ns : rootNode.getAdditionalNamespaces() ) {
newRoot.addNamespaceDeclaration( ns ); factory.addNamespaceDeclaration( newRoot, ns );
} }
doc.setRootElement( newRoot ); factory.setRoot( doc, newRoot );
} }
return doc; return doc;