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Posted to commits@vxquery.apache.org by pr...@apache.org on 2012/08/25 02:18:11 UTC

svn commit: r1377160 - in /incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery: datamodel/accessors/atomic/ functions/ runtime/functions/cast/ runtime/functions/qname/

Author: prestonc
Date: Sat Aug 25 00:18:11 2012
New Revision: 1377160

URL: http://svn.apache.org/viewvc?rev=1377160&view=rev
Log:
Added fn:QName and fixed a few of the naming issues in the qname pointable to support saving and printing the qname value.

Added:
    incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/qname/
    incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/qname/FnQNameScalarEvaluatorFactory.java   (with props)
Modified:
    incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSQNamePointable.java
    incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/functions/builtin-functions.xml
    incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToStringOperation.java

Modified: incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSQNamePointable.java
URL: http://svn.apache.org/viewvc/incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSQNamePointable.java?rev=1377160&r1=1377159&r2=1377160&view=diff
==============================================================================
--- incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSQNamePointable.java (original)
+++ incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/atomic/XSQNamePointable.java Sat Aug 25 00:18:11 2012
@@ -35,43 +35,57 @@ public class XSQNamePointable extends Ab
         }
     };
 
-    /* TODO Do we need this?
-    public void setQName(IPointable uri, IPointable prefix, IPointable localName) {
-        int uriLength = uri.getLength();
-        int prefixLength = prefix.getLength();
-        set(uri);
-        set(prefix.getByteArray(), prefixLength, uriLength);
-        set(localName.getByteArray(), localName.getLength(), (uriLength + prefixLength));
-    }
-    */
-
     public int getUriLength() {
-        return UTF8StringPointable.getUTFLength(bytes, start) + 2;
+        return getUriLength(bytes, start);
     }
 
     public static int getUriLength(byte[] bytes, int start) {
-        return UTF8StringPointable.getUTFLength(bytes, start) + 2;
+        return getUriUTFLength(bytes, start) + 2;
+    }
+
+    public int getUriUTFLength() {
+        return getUriUTFLength(bytes, start);
+    }
+
+    public static int getUriUTFLength(byte[] bytes, int start) {
+        return UTF8StringPointable.getUTFLength(bytes, start);
     }
 
     public int getPrefixLength() {
-        return UTF8StringPointable.getUTFLength(bytes, start + getUriLength()) + 2;
+        return getPrefixLength(bytes, start);
     }
 
     public static int getPrefixLength(byte[] bytes, int start) {
-        return UTF8StringPointable.getUTFLength(bytes, start + getUriLength(bytes, start)) + 2;
+        return getPrefixUTFLength(bytes, start) + 2;
+    }
+
+    public int getPrefixUTFLength() {
+        return getPrefixUTFLength(bytes, start);
+    }
+
+    public static int getPrefixUTFLength(byte[] bytes, int start) {
+        return UTF8StringPointable.getUTFLength(bytes, start + getUriLength(bytes, start));
     }
 
     public int getLocalNameLength() {
-        return UTF8StringPointable.getUTFLength(bytes, start + getUriLength() + getPrefixLength()) + 2;
+        return getLocalNameLength(bytes, start);
     }
 
     public static int getLocalNameLength(byte[] bytes, int start) {
+        return getLocalNameUTFLength(bytes, start) + 2;
+    }
+
+    public int getLocalNameUTFLength() {
+        return getLocalNameUTFLength(bytes, start);
+    }
+
+    public static int getLocalNameUTFLength(byte[] bytes, int start) {
         return UTF8StringPointable.getUTFLength(bytes,
-                start + getUriLength(bytes, start) + getPrefixLength(bytes, start)) + 2;
+                start + getUriLength(bytes, start) + getPrefixLength(bytes, start));
     }
 
     public void getUri(IPointable stringp) {
-        stringp.set(bytes, start, getUriLength());
+        getUri(bytes, start, stringp);
     }
 
     public static void getUri(byte[] bytes, int start, IPointable stringp) {
@@ -79,7 +93,7 @@ public class XSQNamePointable extends Ab
     }
 
     public void getPrefix(IPointable stringp) {
-        stringp.set(bytes, start + getUriLength(), getPrefixLength());
+        getPrefix(bytes, start, stringp);
     }
 
     public static void getPrefix(byte[] bytes, int start, IPointable stringp) {
@@ -87,7 +101,7 @@ public class XSQNamePointable extends Ab
     }
 
     public void getLocalName(IPointable stringp) {
-        stringp.set(bytes, start + getUriLength() + getPrefixLength(), getLocalNameLength());
+        getLocalName(bytes, start, stringp);
     }
 
     public static void getLocalName(byte[] bytes, int start, IPointable stringp) {

Modified: incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/functions/builtin-functions.xml
URL: http://svn.apache.org/viewvc/incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/functions/builtin-functions.xml?rev=1377160&r1=1377159&r2=1377160&view=diff
==============================================================================
--- incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/functions/builtin-functions.xml (original)
+++ incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/functions/builtin-functions.xml Sat Aug 25 00:18:11 2012
@@ -666,6 +666,7 @@
         <param name="paramURI" type="xs:string?"/>
         <param name="paramQName" type="xs:string"/>
         <return type="xs:QName"/>
+        <runtime type="scalar" class="org.apache.vxquery.runtime.functions.qname.FnQNameScalarEvaluatorFactory"/>
     </function>
 
     <!-- fn:remove($target  as item()*, $position as xs:integer)  as item()* -->

Modified: incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToStringOperation.java
URL: http://svn.apache.org/viewvc/incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToStringOperation.java?rev=1377160&r1=1377159&r2=1377160&view=diff
==============================================================================
--- incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToStringOperation.java (original)
+++ incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/cast/CastToStringOperation.java Sat Aug 25 00:18:11 2012
@@ -666,12 +666,14 @@ public class CastToStringOperation exten
     @Override
     public void convertQName(XSQNamePointable qnamep, DataOutput dOut) throws SystemException, IOException {
         abvsInner.reset();
-        dOutInner.write(qnamep.getByteArray(), qnamep.getStartOffset() + qnamep.getUriLength() + 4,
-                qnamep.getPrefixLength());
-        writeChar(':', dOutInner);
+        if (qnamep.getPrefixUTFLength() > 0) {
+            dOutInner.write(qnamep.getByteArray(), qnamep.getStartOffset() + qnamep.getUriLength() + 2,
+                    qnamep.getPrefixUTFLength());
+            writeChar(':', dOutInner);
+        }
         dOutInner.write(qnamep.getByteArray(),
-                qnamep.getStartOffset() + qnamep.getUriLength() + qnamep.getPrefixLength() + 6,
-                qnamep.getLocalNameLength());
+                qnamep.getStartOffset() + qnamep.getUriLength() + qnamep.getPrefixLength() + 2,
+                qnamep.getLocalNameUTFLength());
 
         sendStringDataOutput(dOut);
     }
@@ -841,5 +843,5 @@ public class CastToStringOperation exten
             }
         }
     }
-    
+
 }
\ No newline at end of file

Added: incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/qname/FnQNameScalarEvaluatorFactory.java
URL: http://svn.apache.org/viewvc/incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/qname/FnQNameScalarEvaluatorFactory.java?rev=1377160&view=auto
==============================================================================
--- incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/qname/FnQNameScalarEvaluatorFactory.java (added)
+++ incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/qname/FnQNameScalarEvaluatorFactory.java Sat Aug 25 00:18:11 2012
@@ -0,0 +1,91 @@
+package org.apache.vxquery.runtime.functions.qname;
+
+import java.io.DataOutput;
+
+import org.apache.vxquery.datamodel.accessors.TaggedValuePointable;
+import org.apache.vxquery.datamodel.values.ValueTag;
+import org.apache.vxquery.exceptions.ErrorCode;
+import org.apache.vxquery.exceptions.SystemException;
+import org.apache.vxquery.runtime.functions.base.AbstractTaggedValueArgumentScalarEvaluator;
+import org.apache.vxquery.runtime.functions.base.AbstractTaggedValueArgumentScalarEvaluatorFactory;
+import org.apache.vxquery.runtime.functions.strings.ICharacterIterator;
+import org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator;
+
+import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator;
+import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
+import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import edu.uci.ics.hyracks.data.std.api.IPointable;
+import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
+
+public class FnQNameScalarEvaluatorFactory extends AbstractTaggedValueArgumentScalarEvaluatorFactory {
+    private static final long serialVersionUID = 1L;
+
+    public FnQNameScalarEvaluatorFactory(IScalarEvaluatorFactory[] args) {
+        super(args);
+    }
+
+    @Override
+    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
+            throws AlgebricksException {
+        final UTF8StringPointable paramURI = (UTF8StringPointable) UTF8StringPointable.FACTORY.createPointable();
+        final UTF8StringPointable paramQName = (UTF8StringPointable) UTF8StringPointable.FACTORY.createPointable();
+        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
+        final DataOutput dOut = abvs.getDataOutput();
+        final ArrayBackedValueStorage abvsParamQName = new ArrayBackedValueStorage();
+        final DataOutput dOutParamQName = abvsParamQName.getDataOutput();
+
+        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
+            @Override
+            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
+                TaggedValuePointable tvp1 = args[0];
+                TaggedValuePointable tvp2 = args[1];
+
+                // Only accept a strings.
+                if (tvp1.getTag() != ValueTag.XS_STRING_TAG) {
+                    throw new SystemException(ErrorCode.FORG0006);
+                }
+                if (tvp2.getTag() != ValueTag.XS_STRING_TAG) {
+                    throw new SystemException(ErrorCode.FORG0006);
+                }
+                tvp1.getValue(paramURI);
+                tvp2.getValue(paramQName);
+
+                try {
+                    abvs.reset();
+                    dOut.write(ValueTag.XS_QNAME_TAG);
+                    dOut.write(paramURI.getByteArray(), paramURI.getStartOffset(), paramURI.getLength());
+
+                    // Separate the local name and prefix.
+                    abvsParamQName.reset();
+                    ICharacterIterator charIterator = new UTF8StringCharacterIterator(paramQName);
+                    charIterator.reset();
+                    int c = 0;
+                    int prefixLength = 0;
+                    while ((c = charIterator.next()) != ICharacterIterator.EOS_CHAR) {
+                        if (c == Character.valueOf(':')) {
+                            prefixLength = abvsParamQName.getLength();
+                        } else {
+                            dOutParamQName.writeChar(c);
+                        }
+                    }
+
+                    dOut.write((byte) ((prefixLength >>> 8) & 0xFF));
+                    dOut.write((byte) ((prefixLength >>> 0) & 0xFF));
+                    dOut.write(abvsParamQName.getByteArray(), abvsParamQName.getStartOffset(), prefixLength);
+
+                    int localNameLength = abvsParamQName.getLength() - prefixLength;
+                    dOut.write((byte) ((localNameLength >>> 8) & 0xFF));
+                    dOut.write((byte) ((localNameLength >>> 0) & 0xFF));
+                    dOut.write(abvsParamQName.getByteArray(), abvsParamQName.getStartOffset() + prefixLength,
+                            localNameLength);
+
+                    result.set(abvs);
+                } catch (Exception e) {
+                    // TODO: handle exception
+                }
+            }
+        };
+    }
+}
\ No newline at end of file

Propchange: incubator/vxquery/trunk/vxquery/vxquery-core/src/main/java/org/apache/vxquery/runtime/functions/qname/FnQNameScalarEvaluatorFactory.java
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