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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/learning/common/value.h"
#include <cstring>
#include "base/hash/hash.h"
namespace media {
namespace learning {
Value::Value() = default;
Value::Value(const char* x) {
// std::hash would be nice, but it can (and does) change values between
// different instances of the class. In other words, Value("foo") !=
// Value("foo") necessarily.
if (x)
value_ = base::PersistentHash(x, strlen(x));
}
Value::Value(const std::string& x) : value_(base::PersistentHash(x)) {}
Value::Value(bool x) : value_(static_cast<int>(x)) {}
Value::Value(const Value& other) : value_(other.value_) {}
Value::Value(Value&& rhs) noexcept = default;
Value& Value::operator=(const Value& rhs) = default;
Value& Value::operator=(Value&& rhs) noexcept = default;
bool Value::operator==(const Value& rhs) const {
return value_ == rhs.value_;
}
bool Value::operator!=(const Value& rhs) const {
return value_ != rhs.value_;
}
bool Value::operator<(const Value& rhs) const {
return value_ < rhs.value_;
}
bool Value::operator>(const Value& rhs) const {
return value_ > rhs.value_;
}
bool Value::operator>=(const Value& rhs) const {
return value_ >= rhs.value_;
}
std::ostream& operator<<(std::ostream& out, const Value& value) {
return out << value.value_;
}
} // namespace learning
} // namespace media
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