62 lines
1.8 KiB
Zig
62 lines
1.8 KiB
Zig
const std = @import("std");
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const assert = std.debug.assert;
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const c = @import("c.zig").c;
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pub const LangSet = opaque {
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pub fn create() *LangSet {
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return @ptrCast(c.FcLangSetCreate());
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}
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pub fn destroy(self: *LangSet) void {
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c.FcLangSetDestroy(self.cval());
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}
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pub fn addLang(self: *LangSet, lang: [:0]const u8) bool {
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return c.FcLangSetAdd(self.cval(), lang.ptr) == c.FcTrue;
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}
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pub fn hasLang(self: *const LangSet, lang: [:0]const u8) bool {
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return c.FcLangSetHasLang(self.cvalConst(), lang.ptr) == c.FcLangEqual;
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}
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pub inline fn cval(self: *LangSet) *c.struct__FcLangSet {
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return @ptrCast(self);
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}
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pub inline fn cvalConst(self: *const LangSet) *const c.struct__FcLangSet {
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return @ptrCast(self);
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}
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};
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test "create" {
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const testing = std.testing;
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var fs = LangSet.create();
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defer fs.destroy();
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try testing.expect(!fs.hasLang("und-zsye"));
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}
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test "hasLang exact match" {
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const testing = std.testing;
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// Test exact match: langset with "en-US" should return true for "en-US"
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var fs = LangSet.create();
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defer fs.destroy();
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try testing.expect(fs.addLang("en-US"));
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try testing.expect(fs.hasLang("en-US"));
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// Test exact match: langset with "und-zsye" should return true for "und-zsye"
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var fs_emoji = LangSet.create();
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defer fs_emoji.destroy();
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try testing.expect(fs_emoji.addLang("und-zsye"));
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try testing.expect(fs_emoji.hasLang("und-zsye"));
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// Test mismatch: langset with "en-US" should return false for "fr"
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try testing.expect(!fs.hasLang("fr"));
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// Test partial match: langset with "en-US" should return false for "en-GB"
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// (different territory, but we only want exact matches)
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try testing.expect(!fs.hasLang("en-GB"));
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}
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