Repository navigation
Expand file tree
/
Copy pathcoord.h
More file actions
78 lines (60 loc) · 2.18 KB
/
Copy pathcoord.h
File metadata and controls
78 lines (60 loc) · 2.18 KB
1
2
3
4
5
6
7
8
9
10
11
12
94F5
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
// 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 <cstdint>
#include <ostream>
#include <string>
#include "absl/strings/string_view.h"
#include "cc/constants.h"
#include "cc/logging.h"
namespace minigo {
// Coord represents the coordinates of a point on the board, a pass, or a
// resign.
class Coord {
public:
static constexpr uint16_t kPass = kN * kN;
static constexpr uint16_t kResign = kPass + 1;
static constexpr uint16_t kInvalid = 0xffff;
static const char kGtpColumns[20];
Coord() = default;
Coord(uint16_t value) : value_(value) {} // NOLINT(runtime/explicit)
Coord(int row, int col) {
MG_DCHECK(row >= 0 && row < kN);
MG_DCHECK(col >= 0 && col < kN);
value_ = row * kN + col;
}
// Parse a Coord from a GTP string.
static Coord FromGtp(absl::string_view str, bool allow_invalid = false);
// Parse a Coord from a SGF string.
static Coord FromSgf(absl::string_view str, bool allow_invalid = false);
// Parse a Coord from one of the above string representations.
static Coord FromString(absl::string_view str, bool allow_invalid = false);
// Format the Coord as a GTP string.
std::string ToGtp() const;
// Format the Coord as an SGF string.
std::string ToSgf() const;
operator uint16_t() const { return value_; }
// Enable Coords to be used as keys in absl hashed containers.
template <typename H>
friend H AbslHashValue(H h, Coord c) {
return H::combine(std::move(h), c.value_);
}
private:
uint16_t value_ = kInvalid;
};
// Formats the coord as a GTP string.
std::ostream& operator<<(std::ostream& os, Coord c);
} // namespace minigo
#endif // CC_COORD_H_