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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Contains the definition of ValueValidator for the uses in *_cmd_validation.h
#ifndef GPU_COMMAND_BUFFER_SERVICE_VALUE_VALIDATOR_H_
#define GPU_COMMAND_BUFFER_SERVICE_VALUE_VALIDATOR_H_
#include <algorithm>
#include <vector>
#include "base/containers/contains.h"
#include "base/containers/span.h"
namespace gpu {
// ValueValidator returns true if a value is valid.
template <typename T>
class ValueValidator {
public:
ValueValidator() = default;
ValueValidator(base::span<const T> valid_values) { AddValues(valid_values); }
void AddValue(const T value) {
if (!IsValid(value)) {
valid_values_.push_back(value);
}
}
void AddValues(base::span<const T> valid_values) {
for (const T& value : valid_values) {
AddValue(value);
}
}
void RemoveValues(base::span<const T> invalid_values) {
for (const auto& value : invalid_values) {
auto iter = std::ranges::find(valid_values_, value);
if (iter != valid_values_.end()) {
valid_values_.erase(iter);
DCHECK(!IsValid(value));
}
}
}
bool IsValid(const T value) const {
return base::Contains(valid_values_, value);
}
const std::vector<T>& GetValues() const { return valid_values_; }
private:
std::vector<T> valid_values_;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_VALUE_VALIDATOR_H_
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