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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "spannode.h"
#include <memory>
namespace document {
class Span : public SpanNode {
int32_t _from;
int32_t _length;
public:
using UP = std::unique_ptr<Span>;
Span(int32_t from_pos=0, int32_t len=0) noexcept : _from(from_pos), _length(len) {}
int32_t from() const { return _from; }
int32_t length() const { return _length; }
Span & from(int32_t from_pos) { _from = from_pos; return *this; }
Span & length(int32_t length_pos) { _length = length_pos; return *this; }
void accept(SpanTreeVisitor &visitor) const override;
};
inline bool operator==(const Span &span1, const Span &span2) noexcept {
return span1.from() == span2.from() && span1.length() == span2.length();
}
inline bool operator<(const Span &span1, const Span &span2) noexcept {
if (span1.from() != span2.from()) {
return span1.from() < span2.from();
} else {
return span1.length() < span2.length();
}
}
inline bool operator>(const Span &span1, const Span &span2) {
return span2 < span1;
}
} // namespace document
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