| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.vxquery.runtime.functions.strings; |
| |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator; |
| import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory; |
| import org.apache.hyracks.api.context.IHyracksTaskContext; |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| import org.apache.hyracks.data.std.api.IPointable; |
| import org.apache.hyracks.data.std.primitive.UTF8StringPointable; |
| import org.apache.hyracks.data.std.util.ArrayBackedValueStorage; |
| import org.apache.vxquery.datamodel.accessors.TaggedValuePointable; |
| import org.apache.vxquery.datamodel.accessors.TypedPointables; |
| import org.apache.vxquery.datamodel.values.ValueTag; |
| import org.apache.vxquery.datamodel.values.XDMConstants; |
| 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.cast.CastToStringOperation; |
| import org.apache.vxquery.runtime.functions.util.AtomizeHelper; |
| |
| public class FnStringScalarEvaluatorFactory extends AbstractTaggedValueArgumentScalarEvaluatorFactory { |
| private static final long serialVersionUID = 1L; |
| |
| public FnStringScalarEvaluatorFactory(IScalarEvaluatorFactory[] args) { |
| super(args); |
| } |
| |
| @Override |
| protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args) |
| throws HyracksDataException { |
| final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage(); |
| final DataOutput dOut = abvs.getDataOutput(); |
| final CastToStringOperation castToString = new CastToStringOperation(); |
| final TypedPointables tp = new TypedPointables(); |
| final AtomizeHelper ah = new AtomizeHelper(); |
| final UTF8StringPointable stringNode = (UTF8StringPointable) UTF8StringPointable.FACTORY.createPointable(); |
| final TaggedValuePointable tvpNode = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable(); |
| |
| return new AbstractTaggedValueArgumentScalarEvaluator(args) { |
| @Override |
| protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException { |
| TaggedValuePointable tvp1 = args[0]; |
| try { |
| abvs.reset(); |
| |
| switch (tvp1.getTag()) { |
| case ValueTag.XS_ANY_URI_TAG: |
| tvp1.getValue(tp.utf8sp); |
| castToString.convertAnyURI(tp.utf8sp, dOut); |
| break; |
| case ValueTag.XS_STRING_TAG: |
| case ValueTag.XS_NORMALIZED_STRING_TAG: |
| case ValueTag.XS_TOKEN_TAG: |
| case ValueTag.XS_LANGUAGE_TAG: |
| case ValueTag.XS_NMTOKEN_TAG: |
| case ValueTag.XS_NAME_TAG: |
| case ValueTag.XS_NCNAME_TAG: |
| case ValueTag.XS_ID_TAG: |
| case ValueTag.XS_IDREF_TAG: |
| case ValueTag.XS_ENTITY_TAG: |
| tvp1.getValue(tp.utf8sp); |
| castToString.convertString(tp.utf8sp, dOut); |
| break; |
| case ValueTag.XS_UNTYPED_ATOMIC_TAG: |
| tvp1.getValue(tp.utf8sp); |
| castToString.convertUntypedAtomic(tp.utf8sp, dOut); |
| break; |
| case ValueTag.XS_BASE64_BINARY_TAG: |
| tvp1.getValue(tp.binaryp); |
| castToString.convertBase64Binary(tp.binaryp, dOut); |
| break; |
| case ValueTag.XS_HEX_BINARY_TAG: |
| tvp1.getValue(tp.binaryp); |
| castToString.convertHexBinary(tp.binaryp, dOut); |
| break; |
| case ValueTag.XS_BOOLEAN_TAG: |
| tvp1.getValue(tp.boolp); |
| castToString.convertBoolean(tp.boolp, dOut); |
| break; |
| case ValueTag.XS_DATETIME_TAG: |
| tvp1.getValue(tp.datetimep); |
| castToString.convertDatetime(tp.datetimep, dOut); |
| break; |
| case ValueTag.XS_DAY_TIME_DURATION_TAG: |
| tvp1.getValue(tp.longp); |
| castToString.convertDTDuration(tp.longp, dOut); |
| break; |
| case ValueTag.XS_INTEGER_TAG: |
| case ValueTag.XS_NON_POSITIVE_INTEGER_TAG: |
| case ValueTag.XS_NEGATIVE_INTEGER_TAG: |
| case ValueTag.XS_LONG_TAG: |
| case ValueTag.XS_NON_NEGATIVE_INTEGER_TAG: |
| case ValueTag.XS_UNSIGNED_LONG_TAG: |
| case ValueTag.XS_POSITIVE_INTEGER_TAG: |
| case ValueTag.XS_UNSIGNED_INT_TAG: |
| tvp1.getValue(tp.longp); |
| castToString.convertInteger(tp.longp, dOut); |
| break; |
| case ValueTag.XS_DURATION_TAG: |
| tvp1.getValue(tp.durationp); |
| castToString.convertDuration(tp.durationp, dOut); |
| break; |
| case ValueTag.XS_DATE_TAG: |
| tvp1.getValue(tp.datep); |
| castToString.convertDate(tp.datep, dOut); |
| break; |
| case ValueTag.XS_G_DAY_TAG: |
| tvp1.getValue(tp.datep); |
| castToString.convertGDay(tp.datep, dOut); |
| break; |
| case ValueTag.XS_G_MONTH_DAY_TAG: |
| tvp1.getValue(tp.datep); |
| castToString.convertGMonthDay(tp.datep, dOut); |
| break; |
| case ValueTag.XS_G_MONTH_TAG: |
| tvp1.getValue(tp.datep); |
| castToString.convertGMonth(tp.datep, dOut); |
| break; |
| case ValueTag.XS_G_YEAR_MONTH_TAG: |
| tvp1.getValue(tp.datep); |
| castToString.convertGYearMonth(tp.datep, dOut); |
| break; |
| case ValueTag.XS_G_YEAR_TAG: |
| tvp1.getValue(tp.datep); |
| castToString.convertGYear(tp.datep, dOut); |
| break; |
| case ValueTag.XS_QNAME_TAG: |
| tvp1.getValue(tp.qnamep); |
| castToString.convertQName(tp.qnamep, dOut); |
| break; |
| case ValueTag.XS_TIME_TAG: |
| tvp1.getValue(tp.timep); |
| castToString.convertTime(tp.timep, dOut); |
| break; |
| case ValueTag.XS_YEAR_MONTH_DURATION_TAG: |
| tvp1.getValue(tp.intp); |
| castToString.convertYMDuration(tp.intp, dOut); |
| break; |
| case ValueTag.XS_INT_TAG: |
| case ValueTag.XS_UNSIGNED_SHORT_TAG: |
| tvp1.getValue(tp.intp); |
| castToString.convertInt(tp.intp, dOut); |
| break; |
| case ValueTag.XS_DECIMAL_TAG: |
| tvp1.getValue(tp.decp); |
| castToString.convertDecimal(tp.decp, dOut); |
| break; |
| case ValueTag.XS_DOUBLE_TAG: |
| tvp1.getValue(tp.doublep); |
| castToString.convertDouble(tp.doublep, dOut); |
| break; |
| case ValueTag.XS_FLOAT_TAG: |
| tvp1.getValue(tp.floatp); |
| castToString.convertFloat(tp.floatp, dOut); |
| break; |
| case ValueTag.XS_SHORT_TAG: |
| case ValueTag.XS_UNSIGNED_BYTE_TAG: |
| tvp1.getValue(tp.shortp); |
| castToString.convertShort(tp.shortp, dOut); |
| break; |
| case ValueTag.XS_BYTE_TAG: |
| tvp1.getValue(tp.bytep); |
| castToString.convertByte(tp.bytep, dOut); |
| break; |
| case ValueTag.SEQUENCE_TAG: |
| tvp1.getValue(tp.seqp); |
| if (tp.seqp.getEntryCount() == 0) { |
| XDMConstants.setEmptyString(result); |
| return; |
| } |
| case ValueTag.NODE_TREE_TAG: |
| ah.atomize(tvp1, ppool, tvpNode); |
| tvpNode.getValue(stringNode); |
| castToString.convertUntypedAtomic(stringNode, dOut); |
| break; |
| case ValueTag.JS_NULL_TAG: |
| castToString.convertNull(dOut); |
| break; |
| case ValueTag.ARRAY_TAG: |
| case ValueTag.OBJECT_TAG: |
| throw new SystemException(ErrorCode.JNTY0024); |
| // Pass through if not empty sequence. |
| default: |
| throw new SystemException(ErrorCode.XPDY0002); |
| } |
| result.set(abvs); |
| } catch (IOException e) { |
| throw new SystemException(ErrorCode.SYSE0001, e); |
| } |
| } |
| |
| }; |
| } |
| } |
