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/*
* 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.daffodil.unparsers.runtime1
import java.lang.{ Long => JLong }
import org.apache.daffodil.io.DataOutputStream
import org.apache.daffodil.io.FormatInfo
import org.apache.daffodil.lib.exceptions.Assert
import org.apache.daffodil.lib.schema.annotation.props.gen.LengthKind
import org.apache.daffodil.lib.schema.annotation.props.gen.LengthUnits
import org.apache.daffodil.lib.util.Maybe._
import org.apache.daffodil.lib.util.MaybeULong
import org.apache.daffodil.lib.util.Numbers
import org.apache.daffodil.runtime1.processors.ElementRuntimeData
import org.apache.daffodil.runtime1.processors.Evaluatable
import org.apache.daffodil.runtime1.processors.ParseOrUnparseState
import org.apache.daffodil.runtime1.processors.Processor
import org.apache.daffodil.runtime1.processors.unparsers._
import passera.unsigned.ULong
abstract class BinaryBooleanUnparserBase(
override val context: ElementRuntimeData,
binaryBooleanTrueRep: MaybeULong,
binaryBooleanFalseRep: ULong,
lengthUnits: LengthUnits
) extends PrimUnparser {
def getBitLength(s: ParseOrUnparseState): Int
lazy val toBits = lengthUnits match {
case LengthUnits.Bits => 1
case LengthUnits.Bytes => 8
case _ =>
context.schemaDefinitionError("Binary Numbers must have length units of Bits or Bytes.")
}
def unparse(state: UState): Unit = {
val nBits = getBitLength(state)
val node = state.currentInfosetNode.asSimple
val value = node.dataValue.getBoolean
val dos = state.dataOutputStream
if (nBits < 1 || nBits > 32) {
UnparseError(
One(state.schemaFileLocation),
One(state.currentLocation),
"Number of bits %d out of range, must be between 1 and 32 bits.",
nBits
)
}
Assert.invariant(binaryBooleanTrueRep.isEmpty || binaryBooleanTrueRep.getULong >= ULong(0))
Assert.invariant(binaryBooleanFalseRep >= ULong(0))
val res =
if (value) {
val trueRep =
if (binaryBooleanTrueRep.isDefined) binaryBooleanTrueRep.getULong
else ~binaryBooleanFalseRep
putNumber(dos, trueRep, nBits, state)
} else {
putNumber(dos, binaryBooleanFalseRep, nBits, state)
}
if (!res) {
Assert.invariant(dos.maybeRelBitLimit0b.isDefined)
UnparseError(
One(state.schemaFileLocation),
One(state.currentLocation),
"Insufficient space to unparse element %s, required %s bits, but only %s were available.",
context.dpathElementCompileInfo.namedQName.toPrettyString,
nBits,
dos.maybeRelBitLimit0b.get
)
}
}
protected def putNumber(
dos: DataOutputStream,
value: ULong,
nBits: Int,
finfo: FormatInfo
): Boolean = {
dos.putULong(value, nBits, finfo)
}
}
class BinaryBooleanUnparser(
e: ElementRuntimeData,
binaryBooleanTrueRep: MaybeULong,
binaryBooleanFalseRep: ULong,
val lengthEv: Evaluatable[JLong],
val lengthUnits: LengthUnits,
val lengthKind: LengthKind
) extends BinaryBooleanUnparserBase(
e,
binaryBooleanTrueRep,
binaryBooleanFalseRep,
lengthUnits
) {
override lazy val runtimeDependencies = Vector(lengthEv)
override def getBitLength(s: ParseOrUnparseState): Int = {
val nBytesAsJLong = lengthEv.evaluate(s)
val nBytes = Numbers.asInt(nBytesAsJLong)
lengthKind match {
case LengthKind.Implicit => nBytes
case _ => nBytes * toBits
}
}
}
class BinaryBooleanPrefixedLengthUnparser(
e: ElementRuntimeData,
override val prefixedLengthUnparser: Unparser,
override val prefixedLengthERD: ElementRuntimeData,
binaryBooleanTrueRep: MaybeULong,
binaryBooleanFalseRep: ULong,
override val lengthUnits: LengthUnits,
override val prefixedLengthAdjustmentInUnits: Long
) extends BinaryBooleanUnparserBase(e, binaryBooleanTrueRep, binaryBooleanFalseRep, lengthUnits)
with KnownPrefixedLengthUnparserMixin {
override def childProcessors: Vector[Processor] = Vector(prefixedLengthUnparser)
override lazy val runtimeDependencies = Vector()
override def getBitLength(s: ParseOrUnparseState): Int = 32
override def unparse(state: UState): Unit = {
unparsePrefixedLength(state)
super.unparse(state)
}
}
