fix unicode

This commit is contained in:
Alexander Zhirov 2025-09-05 00:27:50 +03:00
parent f45497bc77
commit 4e7f7ecd60
Signed by: alexander
GPG key ID: C8D8BE544A27C511

View file

@ -64,65 +64,45 @@ struct ChunkRange
*/ */
private immutable uint[256] GEAR = [ private immutable uint[256] GEAR = [
0x4f1bbcdc, 0xe47c2b1a, 0x1a16b407, 0xa88f9d43, 0x33b0b5c5, 0x0f0b1192, 0x4f1bbcdc, 0xe47c2b1a, 0x1a16b407, 0xa88f9d43, 0x33b0b5c5, 0x0f0b1192,
0xb1c2e5b8, 0xc6f5a2a9, 0xb1c2e5b8, 0xc6f5a2a9, 0x7d1ea04c, 0x26358f23, 0x8f9a7902, 0x5ab7d6ee,
0x7d1ea04c, 0x26358f23, 0x8f9a7902, 0x5ab7d6ee, 0x2f6d3a8c, 0x9e13c540, 0x2f6d3a8c, 0x9e13c540, 0x4d7c8b99, 0xf3a1d2b1, 0x0b7d4c62, 0x81f2a5d3,
0x4d7c8b99, 0xf3a1d2b1, 0x19a8b604, 0x6cc7e190, 0x559e43a1, 0xd2f01937, 0x7a53cc4f, 0x0c1d5e66,
0x0b7d4c62, 0x81f2a5d3, 0x19a8b604, 0x6cc7e190, 0x559e43a1, 0xd2f01937,
0x7a53cc4f, 0x0c1d5e66,
0x3b7f6a22, 0x99d104b7, 0x4aa7f9e1, 0x2ce3b8c0, 0x6a8f73d4, 0xe1b2c9a8, 0x3b7f6a22, 0x99d104b7, 0x4aa7f9e1, 0x2ce3b8c0, 0x6a8f73d4, 0xe1b2c9a8,
0x57c04b13, 0xa4e91572, 0x57c04b13, 0xa4e91572, 0x13f7c2aa, 0x8b1c0f5e, 0x5e6a92c1, 0x0af41937,
0x13f7c2aa, 0x8b1c0f5e, 0x5e6a92c1, 0x0af41937, 0x7fe0bd54, 0x26b3e71a, 0x7fe0bd54, 0x26b3e71a, 0x942d6c83, 0x3c51a0ef, 0xd57f2b33, 0x61a4cc09,
0x942d6c83, 0x3c51a0ef, 0x0d9b8a71, 0xb7e50f46, 0x48a3d1f0, 0x2f1e6cb2, 0x73cd98a5, 0xe92a13c9,
0xd57f2b33, 0x61a4cc09, 0x0d9b8a71, 0xb7e50f46, 0x48a3d1f0, 0x2f1e6cb2,
0x73cd98a5, 0xe92a13c9,
0xa1c7f02e, 0x5b0e6a97, 0x0c8f2d31, 0xd1a47b66, 0x6fe3b920, 0x20b9d4a1, 0xa1c7f02e, 0x5b0e6a97, 0x0c8f2d31, 0xd1a47b66, 0x6fe3b920, 0x20b9d4a1,
0x9a5c0f3d, 0x4e81a2c7, 0x9a5c0f3d, 0x4e81a2c7, 0xf02b5934, 0x1bc7d8a2, 0x8e0a64f1, 0x37d4b20c,
0xf02b5934, 0x1bc7d8a2, 0x8e0a64f1, 0x37d4b20c, 0x6c09f5d3, 0xa2391e84, 0x6c09f5d3, 0xa2391e84, 0x5f7ab0e2, 0x0b1c6d57, 0x7c3f9a15, 0x12ad54e3,
0x5f7ab0e2, 0x0b1c6d57, 0x8b6f0c2d, 0x45e1d7a9, 0x2af39b60, 0x9c07e4d1, 0x3d5a81b2, 0xe6c21458,
0x7c3f9a15, 0x12ad54e3, 0x8b6f0c2d, 0x45e1d7a9, 0x2af39b60, 0x9c07e4d1,
0x3d5a81b2, 0xe6c21458,
0xd9a03f1c, 0x64b7e0a3, 0x0ea19c76, 0xb2d5480f, 0x49f3a7d5, 0x21c58e92, 0xd9a03f1c, 0x64b7e0a3, 0x0ea19c76, 0xb2d5480f, 0x49f3a7d5, 0x21c58e92,
0x75ae39c1, 0xed1046ab, 0x75ae39c1, 0xed1046ab, 0xa8c3f12d, 0x5c0e7b94, 0x0d8f2e31, 0xd4a57c66,
0xa8c3f12d, 0x5c0e7b94, 0x0d8f2e31, 0xd4a57c66, 0x6ee4ba20, 0x23bad5a1, 0x6ee4ba20, 0x23bad5a1, 0x985d0f3d, 0x4f82a3c7, 0xf12c5a34, 0x1ac8d9a2,
0x985d0f3d, 0x4f82a3c7, 0x8f0b65f1, 0x36d5b30c, 0x6b0af6d3, 0xa33a1f84, 0x5e7bb1e2, 0x0a1d6e57,
0xf12c5a34, 0x1ac8d9a2, 0x8f0b65f1, 0x36d5b30c, 0x6b0af6d3, 0xa33a1f84,
0x5e7bb1e2, 0x0a1d6e57,
0x7d409b15, 0x11ae55e3, 0x8a700d2d, 0x44e2d8a9, 0x2bf49c60, 0x9d08e5d1, 0x7d409b15, 0x11ae55e3, 0x8a700d2d, 0x44e2d8a9, 0x2bf49c60, 0x9d08e5d1,
0x3c5b82b2, 0xe7c31558, 0x3c5b82b2, 0xe7c31558, 0xd8a1401c, 0x65b8e1a3, 0x0fa29d76, 0xb3d6490f,
0xd8a1401c, 0x65b8e1a3, 0x0fa29d76, 0xb3d6490f, 0x48f4a8d5, 0x22c68f92, 0x48f4a8d5, 0x22c68f92, 0x74af3ac1, 0xec1147ab, 0xa9c4f22d, 0x5d0f7c94,
0x74af3ac1, 0xec1147ab, 0x0e902f31, 0xd5a67d66, 0x6de5bb20, 0x24bbd6a1, 0x975e103d, 0x4e83a4c7,
0xa9c4f22d, 0x5d0f7c94, 0x0e902f31, 0xd5a67d66, 0x6de5bb20, 0x24bbd6a1,
0x975e103d, 0x4e83a4c7,
0xf22d5b34, 0x1bc9daa2, 0x8e0c66f1, 0x35d6b40c, 0x6a0bf7d3, 0xa23b2084, 0xf22d5b34, 0x1bc9daa2, 0x8e0c66f1, 0x35d6b40c, 0x6a0bf7d3, 0xa23b2084,
0x5f7cb2e2, 0x0b1e6f57, 0x5f7cb2e2, 0x0b1e6f57, 0x7c419c15, 0x10af56e3, 0x8b710e2d, 0x45e3d9a9,
0x7c419c15, 0x10af56e3, 0x8b710e2d, 0x45e3d9a9, 0x2af59d60, 0x9c09e6d1, 0x2af59d60, 0x9c09e6d1, 0x3d5c83b2, 0xe6c41658, 0xd9a2411c, 0x64b9e2a3,
0x3d5c83b2, 0xe6c41658, 0x0ea39e76, 0xb2d74a0f, 0x49f5a9d5, 0x23c79092, 0x75b03bc1, 0xed1248ab,
0xd9a2411c, 0x64b9e2a3, 0x0ea39e76, 0xb2d74a0f, 0x49f5a9d5, 0x23c79092,
0x75b03bc1, 0xed1248ab,
0xa8c5f32d, 0x5c107d94, 0x0d913031, 0xd4a77e66, 0x6ee6bc20, 0x25bcd7a1, 0xa8c5f32d, 0x5c107d94, 0x0d913031, 0xd4a77e66, 0x6ee6bc20, 0x25bcd7a1,
0x985f113d, 0x4f84a5c7, 0x985f113d, 0x4f84a5c7, 0xf12e5c34, 0x1acadba2, 0x8f0d67f1, 0x36d7b50c,
0xf12e5c34, 0x1acadba2, 0x8f0d67f1, 0x36d7b50c, 0x6b0cf8d3, 0xa33c2184, 0x6b0cf8d3, 0xa33c2184, 0x5e7db3e2, 0x0a1f7057, 0x7d429d15, 0x11b057e3,
0x5e7db3e2, 0x0a1f7057, 0x8a720f2d, 0x44e4daa9, 0x2bf69e60, 0x9d0ae7d1, 0x3c5d84b2, 0xe7c51758,
0x7d429d15, 0x11b057e3, 0x8a720f2d, 0x44e4daa9, 0x2bf69e60, 0x9d0ae7d1,
0x3c5d84b2, 0xe7c51758,
0xd8a3421c, 0x65bae3a3, 0x0fa49f76, 0xb3d84b0f, 0x48f6aad5, 0x22c89192, 0xd8a3421c, 0x65bae3a3, 0x0fa49f76, 0xb3d84b0f, 0x48f6aad5, 0x22c89192,
0x74b13cc1, 0xec1349ab, 0x74b13cc1, 0xec1349ab, 0xa9c6f42d, 0x5d117e94, 0x0e923131, 0xd5a87f66,
0xa9c6f42d, 0x5d117e94, 0x0e923131, 0xd5a87f66, 0x6de7bd20, 0x24bdd8a1, 0x6de7bd20, 0x24bdd8a1, 0x9750123d, 0x4e85a6c7, 0xf22f5d34, 0x1bcbdca2,
0x9750123d, 0x4e85a6c7, 0x8e0e68f1, 0x35d8b60c, 0x6a0df9d3, 0xa23d2284, 0x5f7eb4e2, 0x0b207157,
0xf22f5d34, 0x1bcbdca2, 0x8e0e68f1, 0x35d8b60c, 0x6a0df9d3, 0xa23d2284,
0x5f7eb4e2, 0x0b207157,
0x7c439e15, 0x10b158e3, 0x8b73102d, 0x45e5dba9, 0x2af79f60, 0x9c0be8d1, 0x7c439e15, 0x10b158e3, 0x8b73102d, 0x45e5dba9, 0x2af79f60, 0x9c0be8d1,
0x3d5e85b2, 0xe6c61858, 0x3d5e85b2, 0xe6c61858, 0xd9a4431c, 0x64bbe4a3, 0x0ea5a076, 0xb2d94c0f,
0xd9a4431c, 0x64bbe4a3, 0x0ea5a076, 0xb2d94c0f, 0x49f7abd5, 0x23c99292, 0x49f7abd5, 0x23c99292, 0x75b23dc1, 0xed144aab, 0xa8c7f52d, 0x5c127f94,
0x75b23dc1, 0xed144aab, 0x0d933231, 0xd4a98066, 0x6ee8be20, 0x25bed9a1, 0x9861133d, 0x4f86a7c7,
0xa8c7f52d, 0x5c127f94, 0x0d933231, 0xd4a98066, 0x6ee8be20, 0x25bed9a1,
0x9861133d, 0x4f86a7c7,
0xf1305e34, 0x1acca0a2, 0x8f0f69f1, 0x36d9b70c, 0x6b0efaD3, 0xa33e2384, 0xf1305e34, 0x1acca0a2, 0x8f0f69f1, 0x36d9b70c, 0x6b0efaD3, 0xa33e2384,
0x5e7fb5e2, 0x0a217257, 0x5e7fb5e2, 0x0a217257, 0x7d449f15, 0x11b259e3, 0x8a74112d, 0x44e6dca9,
0x7d449f15, 0x11b259e3, 0x8a74112d, 0x44e6dca9, 0x2bf8a060, 0x9d0ce9d1, 0x2bf8a060, 0x9d0ce9d1, 0x3c5f86b2, 0xe7c71958, 0xd8a5441c, 0x65bce5a3,
0x3c5f86b2, 0xe7c71958, 0x0fa6a176, 0xb3da4d0f, 0x48f8acd5, 0x22ca9392, 0x74b33ec1, 0xec154bab
0xd8a5441c, 0x65bce5a3, 0x0fa6a176, 0xb3da4d0f, 0x48f8acd5, 0x22ca9392,
0x74b33ec1, 0xec154bab
]; ];
/// Обновление Gear-хэша одним байтом. @safe @nothrow @nogc — без аллокаций/исключений. /// Обновление Gear-хэша одним байтом. @safe @nothrow @nogc — без аллокаций/исключений.
@ -135,7 +115,7 @@ private uint gearUpdate(uint h, ubyte b)
/** /**
* Ближайшая вниз степень двойки для x (>=1). * Ближайшая вниз степень двойки для x (>=1).
* Нужна, чтобы построить маски вида (2^k 1) и (2^(k+1) 1). * Нужна, чтобы построить маски вида (2^k - 1) и (2^(k+1) - 1).
* При таких масках условие (hash & mask) == 0 имеет ожидаемый период ~2^k. * При таких масках условие (hash & mask) == 0 имеет ожидаемый период ~2^k.
*/ */
@safe nothrow @nogc @safe nothrow @nogc
@ -164,8 +144,8 @@ ChunkRange[] chunkify(const(ubyte)[] data, FastCDCParams params = FastCDCParams.
chunks.reserve(data.length / (p.avgSize ? p.avgSize : 1) + 1); chunks.reserve(data.length / (p.avgSize ? p.avgSize : 1) + 1);
// Строим две маски: // Строим две маски:
// - maskN (normal): 2^k 1 → «частота» границ ~ avgSize // - maskN (normal): 2^k - 1 → «частота» границ ~ avgSize
// - maskE (early): 2^(k+1) 1 → «строже», реже до avgSize (не режем слишком рано) // - maskE (early): 2^(k+1) - 1 → «строже», реже до avgSize (не режем слишком рано)
const size_t avgPow2 = floorPow2(p.avgSize); const size_t avgPow2 = floorPow2(p.avgSize);
immutable uint maskN = cast(uint)(avgPow2 - 1); immutable uint maskN = cast(uint)(avgPow2 - 1);
immutable uint maskE = cast(uint)(((avgPow2 << 1) != 0) ? ((avgPow2 << 1) - 1) : maskN); immutable uint maskE = cast(uint)(((avgPow2 << 1) != 0) ? ((avgPow2 << 1) - 1) : maskN);