/*

Copyright (C) 2017-2026 Topological Manifold

This program is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation, either version 3 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program. If not, see <http://www.gnu.org/licenses/>.

*/

#include "code_points.h"

#include <src/com/error.h>

#include <array>

#include <cstddef>

#include <vector>

namespace ns::text

{

namespace

{

constexpr std::array RANGES = std::to_array<std::array<char32_t, 2>>({

{ 0x0, 0x7F}, // C0 Controls and Basic Latin

{ 0x80, 0xFF}, // C1 Controls and Latin-1 Supplement

{ 0x100, 0x17F}, // Latin Extended-A

{ 0x180, 0x24F}, // Latin Extended-B

{0x1E00, 0x1EFF}, // Latin Extended Additional

{0x2C60, 0x2C7F}, // Latin Extended-C

{0xA720, 0xA7FF}, // Latin Extended-D

{0xAB30, 0xAB6F}, // Latin Extended-E

{ 0x250, 0x2AF}, // IPA Extensions

{ 0x2B0, 0x2FF}, // Spacing Modifier Letters

{ 0x370, 0x3FF}, // Greek and Coptic

{0x1F00, 0x1FFF}, // Greek Extended

{ 0x400, 0x4FF}, // Cyrillic

{ 0x500, 0x52F}, // Cyrillic Supplement

{0x2DE0, 0x2DFF}, // Cyrillic Extended-A

{0xA640, 0xA69F}, // Cyrillic Extended-B

{0x1C80, 0x1C8F}, // Cyrillic Extended-C

{0xFFFD, 0xFFFD} // Replacement character

});

constexpr std::size_t COUNT = []

{

std::size_t res = RANGES.size();

for (const auto [min, max] : RANGES)

{

ASSERT(max >= min);

res += max - min;

}

return res;

}();

}

std::vector<char32_t> supported_code_points()

{

std::vector<char32_t> res;

res.reserve(COUNT);

for (const auto [min, max] : RANGES)

{

for (char32_t i = min; i <= max; ++i)

{

res.push_back(i);

}

}

return res;

}

}