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//! Hangul Data
pub const Syllable = enum {
none,
L,
LV,
LVT,
V,
T,
};
s1: []u16 = undefined,
s2: []u3 = undefined,
const Hangul = @This();
pub fn init(allocator: mem.Allocator) !Hangul {
const decompressor = compress.flate.inflate.decompressor;
const in_bytes = @embedFile("hangul");
var in_fbs = std.io.fixedBufferStream(in_bytes);
var in_decomp = decompressor(.raw, in_fbs.reader());
var reader = in_decomp.reader();
const endian = builtin.cpu.arch.endian();
var hangul = Hangul{};
const stage_1_len: u16 = try reader.readInt(u16, endian);
hangul.s1 = try allocator.alloc(u16, stage_1_len);
errdefer allocator.free(hangul.s1);
for (0..stage_1_len) |i| hangul.s1[i] = try reader.readInt(u16, endian);
const stage_2_len: u16 = try reader.readInt(u16, endian);
hangul.s2 = try allocator.alloc(u3, stage_2_len);
errdefer allocator.free(hangul.s2);
for (0..stage_2_len) |i| hangul.s2[i] = @intCast(try reader.readInt(u8, endian));
return hangul;
}
pub fn deinit(hangul: *const Hangul, allocator: mem.Allocator) void {
allocator.free(hangul.s1);
allocator.free(hangul.s2);
}
/// Returns the Hangul syllable type for `cp`.
pub fn syllable(hangul: *const Hangul, cp: u21) Syllable {
return @enumFromInt(hangul.s2[hangul.s1[cp >> 8] + (cp & 0xff)]);
}
const std = @import("std");
const builtin = @import("builtin");
const compress = std.compress;
const mem = std.mem;
const testing = std.testing;
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