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// Copyright 2019 The Chromium Authors. All rights reserved.
// 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>
namespace gpu {
// ValueValidator returns true if a value is valid.
template <typename T>
class ValueValidator {
public:
ValueValidator() = default;
ValueValidator(const T* valid_values, int num_values) {
AddValues(valid_values, num_values);
}
void AddValue(const T value) {
if (!IsValid(value)) {
valid_values_.push_back(value);
}
}
void AddValues(const T* valid_values, int num_values) {
for (int ii = 0; ii < num_values; ++ii) {
AddValue(valid_values[ii]);
}
}
void RemoveValues(const T* invalid_values, int num_values) {
for (int ii = 0; ii < num_values; ++ii) {
auto iter = std::find(valid_values_.begin(), valid_values_.end(),
invalid_values[ii]);
if (iter != valid_values_.end()) {
valid_values_.erase(iter);
DCHECK(!IsValid(invalid_values[ii]));
}
}
}
bool IsValid(const T value) const {
return std::find(valid_values_.begin(), valid_values_.end(), value) !=
valid_values_.end();
}
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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