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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "compare.h"
#include "valuenode.h"
#include "visitor.h"
#include <vespa/document/datatype/datatype.h>
#include <vespa/document/fieldvalue/document.h>
#include <vespa/document/util/stringutil.h>
#include <ostream>
namespace document::select {
Compare::Compare(std::unique_ptr<ValueNode> left,
const Operator& op,
std::unique_ptr<ValueNode> right,
const BucketIdFactory& bucketIdFactory)
: Node("Compare", std::max(left->max_depth(), right->max_depth()) + 1),
_left(std::move(left)),
_right(std::move(right)),
_operator(op),
_bucketIdFactory(bucketIdFactory)
{
}
Compare::~Compare() = default;
Node::UP
Compare::clone() const
{
return wrapParens(new Compare(_left->clone(),
_operator,
_right->clone(),
_bucketIdFactory));
}
namespace {
template<typename T>
ResultList containsValue(const T& value, const ValueNode& l, const ValueNode& r,
const Operator& op)
{
std::unique_ptr<Value> left(l.getValue(value));
std::unique_ptr<Value> right(r.getValue(value));
if (left->getType() == Value::Bucket
|| right->getType() == Value::Bucket)
{
Value& bVal(left->getType() == Value::Bucket ? *left : *right);
Value& nVal(left->getType() == Value::Bucket ? *right : *left);
if (nVal.getType() == Value::Integer
&& (op == FunctionOperator::EQ || op == FunctionOperator::NE
|| op == GlobOperator::GLOB))
{
document::BucketId b( static_cast<IntegerValue&>(bVal).getValue());
document::BucketId s( static_cast<IntegerValue&>(nVal).getValue());
if (op == FunctionOperator::NE) {
return ! ResultList(Result::get(s.contains(b)));
}
return ResultList(Result::get(s.contains(b)));
} else {
return ResultList(Result::Invalid);
}
}
return op.compare(*left, *right);
}
template<typename T>
ResultList traceValue(const T& value, const ValueNode& l, const ValueNode& r,
const Operator& op, std::ostream& out)
{
std::unique_ptr<Value> left(l.traceValue(value, out));
std::unique_ptr<Value> right(r.traceValue(value, out));
if (left->getType() == Value::Bucket
|| right->getType() == Value::Bucket)
{
Value& bVal(left->getType() == Value::Bucket ? *left : *right);
Value& nVal(left->getType() == Value::Bucket ? *right : *left);
if (nVal.getType() == Value::Integer
&& (op == FunctionOperator::EQ || op == FunctionOperator::NE
|| op == GlobOperator::GLOB))
{
document::BucketId b(
static_cast<IntegerValue&>(bVal).getValue());
document::BucketId s(
static_cast<IntegerValue&>(nVal).getValue());
ResultList resultList = (op == FunctionOperator::NE)
? !ResultList(Result::get(s.contains(b)))
: ResultList(Result::get(s.contains(b)));
out << "Checked if " << b.toString() << " is ";
if (op == FunctionOperator::NE) { out << "not "; }
out << "contained in " << s.toString()
<< ". Result was " << resultList << ".\n";
return resultList;
} else {
out << "Compare type " << left->getType() << " vs "
<< right->getType() << " - Result is thus invalid.\n";
return ResultList(Result::Invalid);
}
}
out << "Compare - Left value ";
left->print(out, false, "");
out << " " << op.getName() << " right value ";
right->print(out, false, "");
out << "\n";
ResultList result = op.trace(*left, *right, out);
out << "Result from compare was " << result << ".\n";
return result;
}
}
ResultList
Compare::contains(const Context& context) const
{
return containsValue<Context>(context, *_left, *_right, _operator);
}
ResultList
Compare::trace(const Context& context, std::ostream& out) const
{
return traceValue(context, *_left, *_right, _operator, out);
}
void
Compare::visit(Visitor &v) const
{
v.visitComparison(*this);
}
void
Compare::print(std::ostream& out, bool verbose, const std::string& indent) const
{
if (_parentheses) out << '(';
_left->print(out, verbose, indent);
out << " ";
_operator.print(out, verbose, indent);
out << " ";
_right->print(out, verbose, indent);
if (_parentheses) out << ')';
}
}
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