diff options
Diffstat (limited to 'src/HangulData.zig')
| -rw-r--r-- | src/HangulData.zig | 42 |
1 files changed, 13 insertions, 29 deletions
diff --git a/src/HangulData.zig b/src/HangulData.zig index cae8b97..9c17421 100644 --- a/src/HangulData.zig +++ b/src/HangulData.zig | |||
| @@ -9,39 +9,23 @@ pub const Syllable = enum { | |||
| 9 | T, | 9 | T, |
| 10 | }; | 10 | }; |
| 11 | 11 | ||
| 12 | s1: []u16 = undefined, | 12 | const Data = struct { |
| 13 | s2: []u3 = undefined, | 13 | s1: []const u16 = undefined, |
| 14 | 14 | s2: []const u3 = undefined, | |
| 15 | const Hangul = @This(); | 15 | }; |
| 16 | |||
| 17 | pub fn init(allocator: mem.Allocator) !Hangul { | ||
| 18 | const in_bytes = @embedFile("hangul"); | ||
| 19 | var in_fbs = std.io.fixedBufferStream(in_bytes); | ||
| 20 | var reader = in_fbs.reader(); | ||
| 21 | |||
| 22 | const endian = builtin.cpu.arch.endian(); | ||
| 23 | var hangul = Hangul{}; | ||
| 24 | |||
| 25 | const stage_1_len: u16 = try reader.readInt(u16, endian); | ||
| 26 | hangul.s1 = try allocator.alloc(u16, stage_1_len); | ||
| 27 | errdefer allocator.free(hangul.s1); | ||
| 28 | for (0..stage_1_len) |i| hangul.s1[i] = try reader.readInt(u16, endian); | ||
| 29 | |||
| 30 | const stage_2_len: u16 = try reader.readInt(u16, endian); | ||
| 31 | hangul.s2 = try allocator.alloc(u3, stage_2_len); | ||
| 32 | errdefer allocator.free(hangul.s2); | ||
| 33 | for (0..stage_2_len) |i| hangul.s2[i] = @intCast(try reader.readInt(u8, endian)); | ||
| 34 | 16 | ||
| 35 | return hangul; | 17 | const hangul = hangul_data: { |
| 36 | } | 18 | const data = @import("hangul"); |
| 19 | break :hangul_data Data{ | ||
| 20 | .s1 = &data.s1, | ||
| 21 | .s2 = &data.s2, | ||
| 22 | }; | ||
| 23 | }; | ||
| 37 | 24 | ||
| 38 | pub fn deinit(hangul: *const Hangul, allocator: mem.Allocator) void { | 25 | const Hangul = @This(); |
| 39 | allocator.free(hangul.s1); | ||
| 40 | allocator.free(hangul.s2); | ||
| 41 | } | ||
| 42 | 26 | ||
| 43 | /// Returns the Hangul syllable type for `cp`. | 27 | /// Returns the Hangul syllable type for `cp`. |
| 44 | pub fn syllable(hangul: *const Hangul, cp: u21) Syllable { | 28 | pub fn syllable(cp: u21) Syllable { |
| 45 | return @enumFromInt(hangul.s2[hangul.s1[cp >> 8] + (cp & 0xff)]); | 29 | return @enumFromInt(hangul.s2[hangul.s1[cp >> 8] + (cp & 0xff)]); |
| 46 | } | 30 | } |
| 47 | 31 | ||