jan-leila/Slipstream-Mod-Manager
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Added namespace support

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This commit is contained in:
Vhati 2013-08-27 23:30:52 -04:00
parent a6c67f49d3
commit b1a0ef4164
1 changed files with 40 additions and 35 deletions
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75
src/main/java/net/vhati/modmanager/core/SloppyXMLParser.java
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@ -1,11 +1,7 @@
package net.vhati.modmanager.core;
import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.xml.sax.SAXParseException;
@ -15,11 +11,10 @@ import org.jdom2.Comment;
import org.jdom2.Content;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.Namespace;
import org.jdom2.Parent;
import org.jdom2.Text;
import org.jdom2.input.JDOMParseException;
import org.jdom2.located.LocatedText;
import org.jdom2.output.Format;
import org.jdom2.output.XMLOutputter;
/**
@ -30,6 +25,8 @@ import org.jdom2.output.XMLOutputter;
* <!-- <!-- blah --> is valid (but the extra dashes will be discarded).
* --> can occur alone (discarded).
* An attribute name can start right after the quote from a prior value.
* Namespace prefixes for nodes and attributes are unique.
* (Each prefix will be used as the namespace's URI).
*
* Only use this as a last resort, after a real parser fails.
*/
@ -44,7 +41,7 @@ public class SloppyXMLParser {
private Pattern strayECommentPtn = Pattern.compile( "(\\s*)-->" );
private Pattern strayCharsPtn = Pattern.compile( "(\\s*)[-.>,]" );
private Pattern attrPtn = Pattern.compile( "\\s*([^=]+?)\\s*=\\s*(\"[^\"]*\"|'[^']*')" );
private Pattern attrPtn = Pattern.compile( "\\s*(?:(\\w+):)?(\\w+)\\s*=\\s*(\"[^\"]*\"|'[^']*')" );
private List<Pattern> chunkPtns = new ArrayList<Pattern>();
@ -87,7 +84,7 @@ public class SloppyXMLParser {
else if ( chunkPtn == commentPtn ) {
String whitespace = m.group( 1 );
if ( whitespace.length() > 0 )
parentNode.addContent( new LocatedText( whitespace ) );
parentNode.addContent( new Text( whitespace ) );
tmp = m.group( 2 );
tmp = tmp.replaceAll( "^-+|(?<=-)-+|-+$", "" );
@ -97,7 +94,7 @@ public class SloppyXMLParser {
else if ( chunkPtn == cdataPtn ) {
String whitespace = m.group( 1 );
if ( whitespace.length() > 0 )
parentNode.addContent( new LocatedText( whitespace ) );
parentNode.addContent( new Text( whitespace ) );
CDATA cdataNode = new CDATA( m.group(2) );
parentNode.addContent( cdataNode );
@ -105,22 +102,45 @@ public class SloppyXMLParser {
else if ( chunkPtn == sTagPtn ) {
String whitespace = m.group( 1 );
if ( whitespace.length() > 0 )
parentNode.addContent( new LocatedText( whitespace ) );
parentNode.addContent( new Text( whitespace ) );
String nodeNS = m.group( 2 ); // Might be null.
String nodePrefix = m.group( 2 ); // Might be null.
String nodeName = m.group( 3 );
String attrString = m.group( 4 );
boolean selfClosing = ( m.group( 5 ).length() > 0 );
Element tagNode = new Element( nodeName );
Element tagNode;
if ( nodePrefix != null ) {
Namespace nodeNS = Namespace.getNamespace( nodePrefix, nodePrefix ); // URI? *shrug*
rootNode.addNamespaceDeclaration( nodeNS );
tagNode = new Element( nodeName, nodeNS );
} else {
tagNode = new Element( nodeName );
}
if ( attrString.length() > 0 ) {
Matcher am = attrPtn.matcher( attrString );
while ( am.lookingAt() ) {
String attrName = am.group( 1 );
String attrValue = am.group( 2 );
String attrPrefix = am.group( 1 ); // Might be null.
String attrName = am.group( 2 );
String attrValue = am.group( 3 );
attrValue = attrValue.substring( 1, attrValue.length()-1 );
tagNode.setAttribute( attrName, attrValue );
if ( attrPrefix != null ) {
if ( attrPrefix.equals( "xmlns" ) ) {
// This is a pseudo attribute declaring a namespace.
// Move it to the root node.
Namespace attrNS = Namespace.getNamespace( attrName, attrName ); // URI? *shrug*
rootNode.addNamespaceDeclaration( attrNS );
}
else {
Namespace attrNS = Namespace.getNamespace( attrPrefix, attrPrefix ); // URI? *shrug*
rootNode.addNamespaceDeclaration( attrNS );
tagNode.setAttribute( attrName, attrValue, attrNS );
}
} else {
tagNode.setAttribute( attrName, attrValue );
}
am.region( am.end(), am.regionEnd() );
}
if ( am.regionStart() < attrString.length() ) {
@ -138,7 +158,7 @@ public class SloppyXMLParser {
}
else if ( chunkPtn == eTagPtn ) {
String interimText = m.group( 1 );
parentNode.addContent( new LocatedText( interimText ) );
parentNode.addContent( new Text( interimText ) );
parentNode = parentNode.getParent();
}
else if ( chunkPtn == endSpacePtn ) {
@ -149,14 +169,14 @@ public class SloppyXMLParser {
String whitespace = m.group( 1 );
if ( whitespace.length() > 0 )
parentNode.addContent( new LocatedText( whitespace ) );
parentNode.addContent( new Text( whitespace ) );
}
else if ( chunkPtn == strayECommentPtn ) {
else if ( chunkPtn == strayCharsPtn ) {
// Non-space junk between an end tag and a start tag.
String whitespace = m.group( 1 );
if ( whitespace.length() > 0 )
parentNode.addContent( new LocatedText( whitespace ) );
parentNode.addContent( new Text( whitespace ) );
}
matchedChunk = true;
@ -199,19 +219,4 @@ public class SloppyXMLParser {
return new int[] { lineNum, colNum };
}
public String prettyPrint( Document doc ) {
Format format = Format.getPrettyFormat();
//format.setExpandEmptyElements( true );
StringWriter writer = new StringWriter();
XMLOutputter outputter = new XMLOutputter( format );
try {
outputter.output( doc, writer );
}
catch ( IOException e ) {e.printStackTrace();}
return writer.toString();
}
}