1 files changed, 67 insertions, 0 deletions

diff --git a/src/gbp.zig b/src/gbp.zig
new file mode 100644
index 0000000..fa4ad54
--- /dev/null
+++ b/src/gbp.zig
@@ -0,0 +1,67 @@
+const std = @import("std");
+const mem = std.mem;
+
+const gbp = @import("ziglyph").grapheme_break;
+const Trie = @import("trie.zig").Trie;
+const Prop = @import("trie.zig").Prop;
+
+var trie: Trie = undefined;
+
+pub fn init(allocator: mem.Allocator) !void {
+    trie = .{ .allocator = allocator, .root = .{} };
+
+    for ('\u{0}'..'\u{10ffff}') |i| {
+        const cp: u21 = @intCast(i);
+        const prop = Prop.forCodePoint(cp);
+        if (prop == .none) continue;
+        try trie.put(cp, prop);
+    }
+
+    const prop = Prop.forCodePoint('\u{10ffff}');
+    if (prop == .none) return;
+    try trie.put('\u{10ffff}', prop);
+}
+
+inline fn getProp(cp: u21) Prop {
+    return if (trie.get(cp)) |prop| prop else .none;
+}
+
+pub inline fn isControl(cp: u21) bool {
+    return getProp(cp) == .control;
+}
+
+pub inline fn isExtend(cp: u21) bool {
+    return getProp(cp) == .extend;
+}
+
+pub inline fn isL(cp: u21) bool {
+    return getProp(cp) == .hangul_l;
+}
+pub inline fn isLv(cp: u21) bool {
+    return getProp(cp) == .hangul_lv;
+}
+pub inline fn isLvt(cp: u21) bool {
+    return getProp(cp) == .hangul_lvt;
+}
+pub inline fn isV(cp: u21) bool {
+    return getProp(cp) == .hangul_v;
+}
+pub inline fn isT(cp: u21) bool {
+    return getProp(cp) == .hangul_t;
+}
+
+pub inline fn isPrepend(cp: u21) bool {
+    return getProp(cp) == .prepend;
+}
+
+pub inline fn isRegionalIndicator(cp: u21) bool {
+    return getProp(cp) == .regional;
+}
+
+pub inline fn isSpacingmark(cp: u21) bool {
+    return getProp(cp) == .spacing;
+}
+
+pub inline fn isZwj(cp: u21) bool {
+    return getProp(cp) == .zwj;
+}