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// Copyright 2015-2019 SWIM.AI inc.
//
// Licensed 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 swim.recon;
import java.util.Iterator;
import swim.codec.Output;
import swim.codec.Writer;
import swim.codec.WriterException;
import swim.structure.Absent;
import swim.structure.Attr;
import swim.structure.Bool;
import swim.structure.Data;
import swim.structure.Expression;
import swim.structure.Extant;
import swim.structure.Field;
import swim.structure.Func;
import swim.structure.Item;
import swim.structure.Num;
import swim.structure.Operator;
import swim.structure.Record;
import swim.structure.Selector;
import swim.structure.Slot;
import swim.structure.Text;
import swim.structure.Value;
import swim.structure.func.BridgeFunc;
import swim.structure.func.LambdaFunc;
import swim.structure.operator.BinaryOperator;
import swim.structure.operator.ConditionalOperator;
import swim.structure.operator.InvokeOperator;
import swim.structure.operator.UnaryOperator;
import swim.structure.selector.ChildrenSelector;
import swim.structure.selector.DescendantsSelector;
import swim.structure.selector.FilterSelector;
import swim.structure.selector.GetAttrSelector;
import swim.structure.selector.GetItemSelector;
import swim.structure.selector.GetSelector;
import swim.structure.selector.IdentitySelector;
import swim.structure.selector.KeysSelector;
import swim.structure.selector.LiteralSelector;
import swim.structure.selector.ValuesSelector;
public class ReconModelWriter extends ReconWriter {
@Override
public boolean isField(Item item) {
return item instanceof Field;
}
@Override
public boolean isAttr(Item item) {
return item instanceof Attr;
}
@Override
public boolean isSlot(Item item) {
return item instanceof Slot;
}
@Override
public boolean isValue(Item item) {
return item instanceof Value;
}
@Override
public boolean isRecord(Item item) {
return item instanceof Record;
}
@Override
public boolean isText(Item item) {
return item instanceof Text;
}
@Override
public boolean isNum(Item item) {
return item instanceof Num;
}
@Override
public boolean isBool(Item item) {
return item instanceof Bool;
}
@Override
public boolean isExpression(Item item) {
return item instanceof Expression;
}
@Override
public boolean isExtant(Item item) {
return item instanceof Extant;
}
@Override
public Iterator- items(Item item) {
return item.iterator();
}
@Override
public Item item(Value value) {
return value;
}
@Override
public Value key(Item item) {
return item.key();
}
@Override
public Value value(Item item) {
return item.toValue();
}
@Override
public String string(Item item) {
return item.stringValue();
}
@Override
public int precedence(Item item) {
return item.precedence();
}
@Override
public int sizeOfItem(Item item) {
if (item instanceof Field) {
if (item instanceof Attr) {
final Attr that = (Attr) item;
return sizeOfAttr(that.key(), that.value());
} else if (item instanceof Slot) {
final Slot that = (Slot) item;
return sizeOfSlot(that.key(), that.value());
}
} else if (item instanceof Value) {
return sizeOfValue((Value) item);
}
throw new WriterException("No Recon serialization for " + item);
}
@Override
public Writer writeItem(Item item, Output output) {
if (item instanceof Field) {
if (item instanceof Attr) {
final Attr that = (Attr) item;
return writeAttr(that.key(), that.value(), output);
} else if (item instanceof Slot) {
final Slot that = (Slot) item;
return writeSlot(that.key(), that.value(), output);
}
} else if (item instanceof Value) {
return writeValue((Value) item, output);
}
return Writer.error(new WriterException("No Recon serialization for " + item));
}
@Override
public int sizeOfValue(Value value) {
if (value instanceof Record) {
final Record that = (Record) value;
return sizeOfRecord(that);
} else if (value instanceof Data) {
final Data that = (Data) value;
return sizeOfData(that.size());
} else if (value instanceof Text) {
final Text that = (Text) value;
return sizeOfText(that.stringValue());
} else if (value instanceof Num) {
final Num that = (Num) value;
if (that.isUint32()) {
return sizeOfUint32(that.intValue());
} else if (that.isUint64()) {
return sizeOfUint64(that.longValue());
} else if (that.isValidInt()) {
return sizeOfNum(that.intValue());
} else if (that.isValidLong()) {
return sizeOfNum(that.longValue());
} else if (that.isValidFloat()) {
return sizeOfNum(that.floatValue());
} else if (that.isValidDouble()) {
return sizeOfNum(that.doubleValue());
} else if (that.isValidInteger()) {
return sizeOfNum(that.integerValue());
}
} else if (value instanceof Bool) {
final Bool that = (Bool) value;
return sizeOfBool(that.booleanValue());
} else if (value instanceof Selector) {
return sizeOfSelector((Selector) value);
} else if (value instanceof Operator) {
return sizeOfOperator((Operator) value);
} else if (value instanceof Func) {
return sizeOfFunc((Func) value);
} else if (value instanceof Extant) {
return sizeOfExtant();
} else if (value instanceof Absent) {
return sizeOfAbsent();
}
throw new WriterException("No Recon serialization for " + value);
}
@Override
public Writer writeValue(Value value, Output output) {
if (value instanceof Record) {
final Record that = (Record) value;
return writeRecord(that, output);
} else if (value instanceof Data) {
final Data that = (Data) value;
return writeData(that.asByteBuffer(), output);
} else if (value instanceof Text) {
final Text that = (Text) value;
return writeText(that.stringValue(), output);
} else if (value instanceof Num) {
final Num that = (Num) value;
if (that.isUint32()) {
return writeUint32(that.intValue(), output);
} else if (that.isUint64()) {
return writeUint64(that.longValue(), output);
} else if (that.isValidInt()) {
return writeNum(that.intValue(), output);
} else if (that.isValidLong()) {
return writeNum(that.longValue(), output);
} else if (that.isValidFloat()) {
return writeNum(that.floatValue(), output);
} else if (that.isValidDouble()) {
return writeNum(that.doubleValue(), output);
} else if (that.isValidInteger()) {
return writeNum(that.integerValue(), output);
}
} else if (value instanceof Bool) {
final Bool that = (Bool) value;
return writeBool(that.booleanValue(), output);
} else if (value instanceof Selector) {
return writeSelector((Selector) value, output);
} else if (value instanceof Operator) {
return writeOperator((Operator) value, output);
} else if (value instanceof Func) {
return writeFunc((Func) value, output);
} else if (value instanceof Extant) {
return writeExtant(output);
} else if (value instanceof Absent) {
return writeAbsent(output);
}
return Writer.error(new WriterException("No Recon serialization for " + value));
}
public int sizeOfSelector(Selector selector) {
if (selector instanceof IdentitySelector) {
return sizeOfIdentitySelector();
} else if (selector instanceof LiteralSelector) {
final LiteralSelector that = (LiteralSelector) selector;
return sizeOfLiteralSelector(that.item(), that.then());
} else if (selector instanceof GetSelector) {
final GetSelector that = (GetSelector) selector;
return sizeOfGetSelector(that.accessor(), that.then());
} else if (selector instanceof GetAttrSelector) {
final GetAttrSelector that = (GetAttrSelector) selector;
return sizeOfGetAttrSelector(that.accessor(), that.then());
} else if (selector instanceof GetItemSelector) {
final GetItemSelector that = (GetItemSelector) selector;
return sizeOfGetItemSelector(that.accessor(), that.then());
} else if (selector instanceof KeysSelector) {
final KeysSelector that = (KeysSelector) selector;
return sizeOfKeysSelector(that.then());
} else if (selector instanceof ValuesSelector) {
final ValuesSelector that = (ValuesSelector) selector;
return sizeOfValuesSelector(that.then());
} else if (selector instanceof ChildrenSelector) {
final ChildrenSelector that = (ChildrenSelector) selector;
return sizeOfChildrenSelector(that.then());
} else if (selector instanceof DescendantsSelector) {
final DescendantsSelector that = (DescendantsSelector) selector;
return sizeOfDescendantsSelector(that.then());
} else if (selector instanceof FilterSelector) {
final FilterSelector that = (FilterSelector) selector;
return sizeOfFilterSelector(that.predicate(), that.then());
}
throw new WriterException("No Recon serialization for " + selector);
}
public Writer writeSelector(Selector selector, Output output) {
if (selector instanceof IdentitySelector) {
return writeIdentitySelector(output);
} else if (selector instanceof LiteralSelector) {
final LiteralSelector that = (LiteralSelector) selector;
return writeLiteralSelector(that.item(), that.then(), output);
} else if (selector instanceof GetSelector) {
final GetSelector that = (GetSelector) selector;
return writeGetSelector(that.accessor(), that.then(), output);
} else if (selector instanceof GetAttrSelector) {
final GetAttrSelector that = (GetAttrSelector) selector;
return writeGetAttrSelector(that.accessor(), that.then(), output);
} else if (selector instanceof GetItemSelector) {
final GetItemSelector that = (GetItemSelector) selector;
return writeGetItemSelector(that.accessor(), that.then(), output);
} else if (selector instanceof KeysSelector) {
final KeysSelector that = (KeysSelector) selector;
return writeKeysSelector(that.then(), output);
} else if (selector instanceof ValuesSelector) {
final ValuesSelector that = (ValuesSelector) selector;
return writeValuesSelector(that.then(), output);
} else if (selector instanceof ChildrenSelector) {
final ChildrenSelector that = (ChildrenSelector) selector;
return writeChildrenSelector(that.then(), output);
} else if (selector instanceof DescendantsSelector) {
final DescendantsSelector that = (DescendantsSelector) selector;
return writeDescendantsSelector(that.then(), output);
} else if (selector instanceof FilterSelector) {
final FilterSelector that = (FilterSelector) selector;
return writeFilterSelector(that.predicate(), that.then(), output);
}
return Writer.error(new WriterException("No Recon serialization for " + selector));
}
public int sizeOfOperator(Operator operator) {
if (operator instanceof BinaryOperator) {
final BinaryOperator that = (BinaryOperator) operator;
return sizeOfInfixOperator(that.operand1(), that.operator(), that.operand2(), that.precedence());
} else if (operator instanceof UnaryOperator) {
final UnaryOperator that = (UnaryOperator) operator;
return sizeOfPrefixOperator(that.operator(), that.operand(), that.precedence());
} else if (operator instanceof InvokeOperator) {
final InvokeOperator that = (InvokeOperator) operator;
return sizeOfInvokeOperator(that.func(), that.args());
} else if (operator instanceof ConditionalOperator) {
final ConditionalOperator that = (ConditionalOperator) operator;
return sizeOfConditionalOperator(that.ifTerm(), that.thenTerm(), that.elseTerm(), that.precedence());
}
throw new WriterException("No Recon serialization for " + operator);
}
public Writer writeOperator(Operator operator, Output output) {
if (operator instanceof BinaryOperator) {
final BinaryOperator that = (BinaryOperator) operator;
return writeInfixOperator(that.operand1(), that.operator(), that.operand2(), that.precedence(), output);
} else if (operator instanceof UnaryOperator) {
final UnaryOperator that = (UnaryOperator) operator;
return writePrefixOperator(that.operator(), that.operand(), that.precedence(), output);
} else if (operator instanceof InvokeOperator) {
final InvokeOperator that = (InvokeOperator) operator;
return writeInvokeOperator(that.func(), that.args(), output);
} else if (operator instanceof ConditionalOperator) {
final ConditionalOperator that = (ConditionalOperator) operator;
return writeConditionalOperator(that.ifTerm(), that.thenTerm(), that.elseTerm(), that.precedence(), output);
}
return Writer.error(new WriterException("No Recon serialization for " + operator));
}
public int sizeOfFunc(Func func) {
if (func instanceof LambdaFunc) {
final LambdaFunc that = (LambdaFunc) func;
return sizeOfLambdaFunc(that.bindings(), that.template());
} else if (func instanceof BridgeFunc) {
return 0;
}
throw new WriterException("No Recon serialization for " + func);
}
public Writer writeFunc(Func func, Output output) {
if (func instanceof LambdaFunc) {
final LambdaFunc that = (LambdaFunc) func;
return writeLambdaFunc(that.bindings(), that.template(), output);
} else if (func instanceof BridgeFunc) {
return Writer.done();
}
return Writer.error(new WriterException("No Recon serialization for " + func));
}
@Override
public int sizeOfBlockItem(Item item) {
if (item instanceof Field) {
return sizeOfItem(item);
} else if (item instanceof Value) {
return sizeOfBlockValue((Value) item);
}
throw new WriterException("No Recon serialization for " + item);
}
@Override
public Writer writeBlockItem(Item item, Output output) {
if (item instanceof Field) {
return writeItem(item, output);
} else if (item instanceof Value) {
return writeBlockValue((Value) item, output);
}
return Writer.error(new WriterException("No Recon serialization for " + item));
}
@Override
public int sizeOfBlockValue(Value value) {
if (value instanceof Record) {
return sizeOfBlock((Record) value);
}
return sizeOfValue(value);
}
@Override
public Writer writeBlockValue(Value value, Output output) {
if (value instanceof Record) {
return writeBlock((Record) value, output);
}
return writeValue(value, output);
}
@Override
public int sizeOfThen(Value then) {
if (then instanceof Selector) {
final Selector selector = (Selector) then;
if (selector instanceof IdentitySelector) {
return sizeOfThenIdentitySelector();
} else if (selector instanceof LiteralSelector) {
final LiteralSelector that = (LiteralSelector) selector;
return sizeOfThenLiteralSelector(that.item(), that.then());
} else if (selector instanceof GetSelector) {
final GetSelector that = (GetSelector) selector;
return sizeOfThenGetSelector(that.accessor(), that.then());
} else if (selector instanceof GetAttrSelector) {
final GetAttrSelector that = (GetAttrSelector) selector;
return sizeOfThenGetAttrSelector(that.accessor(), that.then());
} else if (selector instanceof GetItemSelector) {
final GetItemSelector that = (GetItemSelector) selector;
return sizeOfThenGetItemSelector(that.accessor(), that.then());
} else if (selector instanceof KeysSelector) {
final KeysSelector that = (KeysSelector) selector;
return sizeOfThenKeysSelector(that.then());
} else if (selector instanceof ValuesSelector) {
final ValuesSelector that = (ValuesSelector) selector;
return sizeOfThenValuesSelector(that.then());
} else if (selector instanceof ChildrenSelector) {
final ChildrenSelector that = (ChildrenSelector) selector;
return sizeOfThenChildrenSelector(that.then());
} else if (selector instanceof DescendantsSelector) {
final DescendantsSelector that = (DescendantsSelector) selector;
return sizeOfThenDescendantsSelector(that.then());
} else if (selector instanceof FilterSelector) {
final FilterSelector that = (FilterSelector) selector;
return sizeOfThenFilterSelector(that.predicate(), that.then());
}
}
throw new WriterException("No Recon serialization for " + then);
}
@Override
public Writer writeThen(Value then, Output output) {
if (then instanceof Selector) {
final Selector selector = (Selector) then;
if (selector instanceof IdentitySelector) {
return writeThenIdentitySelector(output);
} else if (selector instanceof LiteralSelector) {
final LiteralSelector that = (LiteralSelector) selector;
return writeThenLiteralSelector(that.item(), that.then(), output);
} else if (selector instanceof GetSelector) {
final GetSelector that = (GetSelector) selector;
return writeThenGetSelector(that.accessor(), that.then(), output);
} else if (selector instanceof GetAttrSelector) {
final GetAttrSelector that = (GetAttrSelector) selector;
return writeThenGetAttrSelector(that.accessor(), that.then(), output);
} else if (selector instanceof GetItemSelector) {
final GetItemSelector that = (GetItemSelector) selector;
return writeThenGetItemSelector(that.accessor(), that.then(), output);
} else if (selector instanceof KeysSelector) {
final KeysSelector that = (KeysSelector) selector;
return writeThenKeysSelector(that.then(), output);
} else if (selector instanceof ValuesSelector) {
final ValuesSelector that = (ValuesSelector) selector;
return writeThenValuesSelector(that.then(), output);
} else if (selector instanceof ChildrenSelector) {
final ChildrenSelector that = (ChildrenSelector) selector;
return writeThenChildrenSelector(that.then(), output);
} else if (selector instanceof DescendantsSelector) {
final DescendantsSelector that = (DescendantsSelector) selector;
return writeThenDescendantsSelector(that.then(), output);
} else if (selector instanceof FilterSelector) {
final FilterSelector that = (FilterSelector) selector;
return writeThenFilterSelector(that.predicate(), that.then(), output);
}
}
return Writer.error(new WriterException("No Recon serialization for " + then));
}
}