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Copy pathcoord.h
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66 lines (50 loc) · 1.77 KB
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// Copyright 2018 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef CC_COORD_H_
#define CC_COORD_H_
#include <cassert>
#include <cstdint>
#include <iostream>
#include <string>
#include "absl/strings/string_view.h"
#include "cc/constants.h"
namespace minigo {
// Coord represents the coordinates of a point on the board or, in the case of
// Coord::kPass, a pass move.
class Coord {
public:
static constexpr uint16_t kPass = 0xffff;
static constexpr char kKgsColumns[] = "ABCDEFGHJKLMNOPQRST";
Coord(uint16_t value) : value_(value) {} // NOLINT(runtime/explicit)
Coord(int row, int col) {
assert(row >= 0 && row < kN);
assert(col >= 0 && col < kN);
value_ = row * kN + col;
}
// Parse a Coord from a KGS string.
static Coord FromKgs(absl::string_view str);
// Parse a Coord from a SGF string.
static Coord FromSgf(absl::string_view str);
// Parse a Coord from one of the above string representations.
static Coord FromString(absl::string_view str);
// Format the Coord as a KGS string.
std::string ToKgs() const;
operator uint16_t() const { return value_; }
private:
uint16_t value_;
};
// Formats the coord as a KGS string.
std::ostream& operator<<(std::ostream& os, Coord c);
} // namespace minigo
#endif // CC_COORD_H_