freetype:harfbuzz: 100% blob and 50% buffer binding

freetype/build.zig

@@ -4,27 +4,37 @@ const Builder = std.build.Builder;
 const ft_root = thisDir() ++ "/upstream/freetype";
 const ft_include_path = ft_root ++ "/include";
 const hb_root = thisDir() ++ "/upstream/harfbuzz";
-const hb_include_path = ft_root ++ "/src";
+const hb_include_path = hb_root ++ "/src";
+
+const utils_pkg = std.build.Pkg{
+    .name = "utils",
+    .source = .{ .path = thisDir() ++ "/src/utils.zig" },
+};
 
 pub const pkg = std.build.Pkg{
     .name = "freetype",
     .source = .{ .path = thisDir() ++ "/src/freetype/main.zig" },
+    .dependencies = &.{utils_pkg},
 };
+
 pub const harfbuzz_pkg = std.build.Pkg{
     .name = "harfbuzz",
     .source = .{ .path = thisDir() ++ "/src/harfbuzz/main.zig" },
+    .dependencies = &.{utils_pkg},
 };
 
 pub const Options = struct {
     harfbuzz: ?HarfbuzzOptions = null,
     freetype: FreetypeOptions = .{},
 };
+
 pub const FreetypeOptions = struct {
     /// the path you specify freetype options
     /// via `ftoptions.h` and `ftmodule.h`
     /// e.g `test/ft/`
     ft_config_path: ?[]const u8 = null,
 };
+
 pub const HarfbuzzOptions = struct {};
 
 pub fn build(b: *std.build.Builder) !void {
@@ -34,8 +44,15 @@ pub fn build(b: *std.build.Builder) !void {
     const freetype_tests = b.addTestSource(pkg.source);
     freetype_tests.setBuildMode(mode);
     freetype_tests.setTarget(target);
+    freetype_tests.addPackage(utils_pkg);
     link(b, freetype_tests, .{});
 
+    const harfbuzz_tests = b.addTestSource(harfbuzz_pkg.source);
+    harfbuzz_tests.setBuildMode(mode);
+    harfbuzz_tests.setTarget(target);
+    harfbuzz_tests.addPackage(utils_pkg);
+    link(b, harfbuzz_tests, .{ .harfbuzz = .{} });
+
     const main_tests = b.addTest("test/main.zig");
     main_tests.setBuildMode(mode);
     main_tests.setTarget(target);
@@ -44,6 +61,7 @@ pub fn build(b: *std.build.Builder) !void {
 
     const test_step = b.step("test", "Run library tests");
     test_step.dependOn(&freetype_tests.step);
+    test_step.dependOn(&harfbuzz_tests.step);
     test_step.dependOn(&main_tests.step);
 
     inline for ([_][]const u8{
@@ -80,6 +98,7 @@ pub fn link(b: *Builder, step: *std.build.LibExeObjStep, options: Options) void
         const hb_lib = buildHarfbuzz(b, step, hb_options);
         hb_lib.linkLibrary(ft_lib);
         step.linkLibrary(hb_lib);
+        step.addIncludePath(hb_include_path);
     }
 }
 

freetype/src/freetype/Face.zig

@@ -1,6 +1,6 @@
 const std = @import("std");
+const utils = @import("utils");
 const c = @import("c.zig");
-const utils = @import("utils.zig");
 const intToError = @import("error.zig").intToError;
 const Error = @import("error.zig").Error;
 const GlyphSlot = @import("freetype.zig").GlyphSlot;

freetype/src/freetype/color.zig

@@ -1,5 +1,5 @@
+const utils = @import("utils");
 const c = @import("c.zig");
-const utils = @import("utils.zig");
 const Face = @import("freetype.zig").Face;
 
 pub const Color = c.FT_Color;

freetype/src/freetype/freetype.zig

@@ -1,6 +1,6 @@
 const std = @import("std");
+const utils = @import("utils");
 const c = @import("c.zig");
-const utils = @import("utils.zig");
 const intToError = @import("error.zig").intToError;
 const Error = @import("error.zig").Error;
 const Generic = @import("types.zig").Generic;

freetype/src/freetype/main.zig

@@ -8,31 +8,17 @@ pub const Glyph = @import("Glyph.zig");
 pub const Stroker = @import("Stroker.zig");
 pub const Error = @import("error.zig").Error;
 
-const std = @import("std");
-
-fn refLiterallyAllDecls(comptime T: type) void {
-    switch (@typeInfo(T)) {
-        .Struct, .Union, .Opaque, .Enum => {
-            inline for (comptime std.meta.declarations(T)) |decl| {
-                if (decl.is_pub) {
-                    refLiterallyAllDecls(@TypeOf(@field(T, decl.name)));
-                    std.testing.refAllDecls(T);
-                }
-            }
-        },
-        else => {},
-    }
-}
+const utils = @import("utils");
 
 test {
-    refLiterallyAllDecls(@This());
-    refLiterallyAllDecls(@import("color.zig"));
-    refLiterallyAllDecls(@import("error.zig"));
-    refLiterallyAllDecls(@import("utils.zig"));
-    refLiterallyAllDecls(@import("Face.zig"));
-    refLiterallyAllDecls(@import("GlyphSlot.zig"));
-    refLiterallyAllDecls(@import("Library.zig"));
-    refLiterallyAllDecls(@import("Outline.zig"));
-    refLiterallyAllDecls(Glyph);
-    refLiterallyAllDecls(Stroker);
+    utils.refAllDecls(@This());
+    utils.refAllDecls(@import("color.zig"));
+    utils.refAllDecls(@import("error.zig"));
+    utils.refAllDecls(@import("utils"));
+    utils.refAllDecls(@import("Face.zig"));
+    utils.refAllDecls(@import("GlyphSlot.zig"));
+    utils.refAllDecls(@import("Library.zig"));
+    utils.refAllDecls(@import("Outline.zig"));
+    utils.refAllDecls(Glyph);
+    utils.refAllDecls(Stroker);
 }

freetype/src/harfbuzz/blob.zig

@@ -0,0 +1,95 @@
+const std = @import("std");
+const c = @import("c.zig");
+
+pub const MemoryMode = enum(u2) {
+    duplicate = c.HB_MEMORY_MODE_DUPLICATE,
+    readonly = c.HB_MEMORY_MODE_READONLY,
+    writable = c.HB_MEMORY_MODE_WRITABLE,
+    readonly_may_make_writable = c.HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE,
+};
+
+pub const Blob = struct {
+    handle: *c.hb_blob_t,
+
+    pub fn init(data: []u8, mode: MemoryMode) ?Blob {
+        return Blob{
+            .handle = c.hb_blob_create_or_fail(data.ptr, @intCast(c_uint, data.len), @enumToInt(mode), null, null) orelse return null,
+        };
+    }
+
+    pub fn initOrEmpty(data: []u8, mode: MemoryMode) Blob {
+        return .{
+            .handle = c.hb_blob_create(data.ptr, @intCast(c_uint, data.len), @enumToInt(mode), null, null).?,
+        };
+    }
+
+    pub fn initFromFile(path: [*:0]const u8) ?Blob {
+        return Blob{
+            .handle = c.hb_blob_create_from_file_or_fail(path) orelse return null,
+        };
+    }
+
+    pub fn initFromFileOrEmpty(path: [*:0]const u8) Blob {
+        return .{
+            .handle = c.hb_blob_create_from_file(path).?,
+        };
+    }
+
+    pub fn getEmpty() Blob {
+        return .{ .handle = c.hb_blob_get_empty().? };
+    }
+
+    pub fn createSubBlobOrEmpty(self: Blob, offset: u32, len: u32) Blob {
+        return .{
+            .handle = c.hb_blob_create_sub_blob(self.handle, offset, len).?,
+        };
+    }
+
+    pub fn copyWritable(self: Blob) ?Blob {
+        return Blob{
+            .handle = c.hb_blob_copy_writable_or_fail(self.handle) orelse return null,
+        };
+    }
+
+    pub fn deinit(self: Blob) void {
+        c.hb_blob_destroy(self.handle);
+    }
+
+    pub fn getData(self: Blob, len: ?u32) []const u8 {
+        var l = len;
+        const data = c.hb_blob_get_data(self.handle, if (l) |_| &l.? else null);
+        return if (l) |_|
+            data[0..l.?]
+        else
+            std.mem.sliceTo(data, 0);
+    }
+
+    pub fn getDataWritable(self: Blob, len: ?u32) ?[]const u8 {
+        var l = len;
+        const data = c.hb_blob_get_data(self.handle, if (l) |_| &l.? else null);
+        return if (data == null)
+            null
+        else if (l) |_|
+            data[0..l.?]
+        else
+            std.mem.sliceTo(data, 0);
+    }
+
+    pub fn getLength(self: Blob) u32 {
+        return c.hb_blob_get_length(self.handle);
+    }
+
+    pub fn isImmutable(self: Blob) bool {
+        return c.hb_blob_is_immutable(self.handle) > 0;
+    }
+
+    pub fn makeImmutable(self: Blob) void {
+        c.hb_blob_make_immutable(self.handle);
+    }
+
+    pub fn reference(self: Blob) Blob {
+        return .{
+            .handle = c.hb_blob_reference(self.handle).?,
+        };
+    }
+};

freetype/src/harfbuzz/buffer.zig

@@ -0,0 +1,157 @@
+const std = @import("std");
+const utils = @import("utils");
+const c = @import("c.zig");
+const Direction = @import("common.zig").Direction;
+const Script = @import("common.zig").Script;
+const Language = @import("common.zig").Language;
+
+pub const ContentType = enum(u2) {
+    invalid = c.HB_BUFFER_CONTENT_TYPE_INVALID,
+    unicode = c.HB_BUFFER_CONTENT_TYPE_UNICODE,
+    glyphs = c.HB_BUFFER_CONTENT_TYPE_GLYPHS,
+};
+
+pub const Buffer = struct {
+    pub const Flags = packed struct {
+        bot: bool = false,
+        eot: bool = false,
+        preserve_default_ignorables: bool = false,
+        remove_default_ignorables: bool = false,
+        do_not_insert_dotted_circle: bool = false,
+        verify: bool = false,
+        produce_unsafe_to_concat: bool = false,
+
+        pub const Flag = enum(u21) {
+            bot = c.HB_BUFFER_FLAG_BOT,
+            eot = c.HB_BUFFER_FLAG_EOT,
+            preserve_default_ignorables = c.HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES,
+            remove_default_ignorables = c.HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES,
+            do_not_insert_dotted_circle = c.HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE,
+            verify = c.HB_BUFFER_FLAG_VERIFY,
+            produce_unsafe_to_concat = c.HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT,
+        };
+
+        pub fn from(bits: u21) Flags {
+            return utils.bitFieldsToStruct(Flags, Flag, bits);
+        }
+
+        pub fn cast(flags: Flags) u21 {
+            return utils.structToBitFields(u21, Flag, flags);
+        }
+    };
+
+    handle: *c.hb_buffer_t,
+
+    pub fn init() ?Buffer {
+        var b = c.hb_buffer_create();
+        if (c.hb_buffer_allocation_successful(b) < 1)
+            return null;
+        return Buffer{ .handle = b.? };
+    }
+
+    pub fn getEmpty() Buffer {
+        return .{ .handle = c.hb_buffer_get_empty().? };
+    }
+
+    pub fn initSimilar(self: Buffer) ?Buffer {
+        var b = c.hb_buffer_create_similar(self.handle);
+        if (c.hb_buffer_allocation_successful(b) < 1)
+            return null;
+        return Buffer{ .handle = b.? };
+    }
+
+    pub fn reference(self: Buffer) Buffer {
+        return .{
+            .handle = c.hb_buffer_reference(self.handle).?,
+        };
+    }
+
+    pub fn deinit(self: Buffer) void {
+        c.hb_buffer_destroy(self.handle);
+    }
+
+    pub fn reset(self: Buffer) void {
+        c.hb_buffer_reset(self.handle);
+    }
+
+    pub fn clearContents(self: Buffer) void {
+        c.hb_buffer_clear_contents(self.handle);
+    }
+
+    pub fn preAllocate(self: Buffer, size: u32) error{OutOfMemory}!void {
+        if (c.hb_buffer_pre_allocate(self.handle, size) < 1)
+            return error.OutOfMemory;
+    }
+
+    pub fn allocationSuccessful(self: Buffer) bool {
+        return c.hb_buffer_allocation_successful(self.handle) > 0;
+    }
+
+    pub fn add(self: Buffer, codepoint: u32, cluster: usize) void {
+        c.hb_buffer_add(self.handle, codepoint, @intCast(c_uint, cluster));
+    }
+
+    pub fn addCodepoints(self: Buffer, text: []const u32, item_offset: usize, item_length: usize) void {
+        c.hb_buffer_add_codepoints(self.handle, text.ptr, @intCast(c_int, text.len), @intCast(c_uint, item_offset), @intCast(c_int, item_length));
+    }
+
+    pub fn addUTF32(self: Buffer, text: []const u32, item_offset: usize, item_length: usize) void {
+        c.hb_buffer_add_utf32(self.handle, text.ptr, @intCast(c_int, text.len), @intCast(c_uint, item_offset), @intCast(c_int, item_length));
+    }
+
+    pub fn addUTF16(self: Buffer, text: []const u16, item_offset: usize, item_length: usize) void {
+        c.hb_buffer_add_utf16(self.handle, text.ptr, @intCast(c_int, text.len), @intCast(c_uint, item_offset), @intCast(c_int, item_length));
+    }
+
+    pub fn addUTF8(self: Buffer, text: []const u8, item_offset: usize, item_length: usize) void {
+        c.hb_buffer_add_utf8(self.handle, text.ptr, @intCast(c_int, text.len), @intCast(c_uint, item_offset), @intCast(c_int, item_length));
+    }
+
+    pub fn addLatin1(self: Buffer, text: []const u8, item_offset: usize, item_length: usize) void {
+        c.hb_buffer_add_latin1(self.handle, text.ptr, @intCast(c_int, text.len), @intCast(c_uint, item_offset), @intCast(c_int, item_length));
+    }
+
+    pub fn append(self: Buffer, source: Buffer, start: usize, end: usize) void {
+        c.hb_buffer_append(self.handle, source.handle, @intCast(c_uint, start), @intCast(c_uint, end));
+    }
+
+    pub fn setContentType(self: Buffer, content_type: ContentType) void {
+        c.hb_buffer_set_content_type(self.handle, @enumToInt(content_type));
+    }
+
+    pub fn getContentType(self: Buffer) ContentType {
+        return @intToEnum(ContentType, c.hb_buffer_get_content_type(self.handle));
+    }
+
+    pub fn setDirection(self: Buffer, direction: Direction) void {
+        c.hb_buffer_set_direction(self.handle, @enumToInt(direction));
+    }
+
+    pub fn getDirection(self: Buffer) Direction {
+        return @intToEnum(Direction, c.hb_buffer_get_direction(self.handle));
+    }
+
+    pub fn setScript(self: Buffer, script: Script) void {
+        c.hb_buffer_set_script(self.handle, @enumToInt(script));
+    }
+
+    pub fn getScript(self: Buffer) Script {
+        return @intToEnum(Script, c.hb_buffer_get_script(self.handle));
+    }
+
+    pub fn setLanguage(self: Buffer, lang: Language) void {
+        c.hb_buffer_set_language(self.handle, @enumToInt(lang));
+    }
+
+    pub fn getLanguage(self: Buffer) Language {
+        return @intToEnum(Language, c.hb_buffer_get_language(self.handle));
+    }
+
+    pub fn setFlags(self: Buffer, flags: Flags) void {
+        c.hb_buffer_set_flags(self.handle, flags.cast());
+    }
+
+    pub fn getFlags(self: Buffer) Flags {
+        return Flags.from(c.hb_buffer_get_flags(self.handle));
+    }
+};

freetype/src/harfbuzz/c.zig

@@ -0,0 +1,3 @@
+pub usingnamespace @cImport({
+    @cInclude("hb.h");
+});

freetype/src/harfbuzz/common.zig

@@ -0,0 +1,191 @@
+const std = @import("std");
+const c = @import("c.zig");
+
+pub const Direction = enum(u3) {
+    invalid = c.HB_DIRECTION_INVALID,
+    ltr = c.HB_DIRECTION_LTR,
+    rtl = c.HB_DIRECTION_RTL,
+    ttb = c.HB_DIRECTION_TTB,
+    bit = c.HB_DIRECTION_BTT,
+};
+
+pub const Script = enum(u31) {
+    common = c.HB_SCRIPT_COMMON,
+    inherited = c.HB_SCRIPT_INHERITED,
+    unknown = c.HB_SCRIPT_UNKNOWN,
+    arabic = c.HB_SCRIPT_ARABIC,
+    armenian = c.HB_SCRIPT_ARMENIAN,
+    bengali = c.HB_SCRIPT_BENGALI,
+    cyrillic = c.HB_SCRIPT_CYRILLIC,
+    devanagari = c.HB_SCRIPT_DEVANAGARI,
+    georgian = c.HB_SCRIPT_GEORGIAN,
+    greek = c.HB_SCRIPT_GREEK,
+    gujarati = c.HB_SCRIPT_GUJARATI,
+    gurmukhi = c.HB_SCRIPT_GURMUKHI,
+    hangul = c.HB_SCRIPT_HANGUL,
+    han = c.HB_SCRIPT_HAN,
+    hebrew = c.HB_SCRIPT_HEBREW,
+    hiragana = c.HB_SCRIPT_HIRAGANA,
+    kannada = c.HB_SCRIPT_KANNADA,
+    katakana = c.HB_SCRIPT_KATAKANA,
+    lao = c.HB_SCRIPT_LAO,
+    latin = c.HB_SCRIPT_LATIN,
+    malayalam = c.HB_SCRIPT_MALAYALAM,
+    oriya = c.HB_SCRIPT_ORIYA,
+    tamil = c.HB_SCRIPT_TAMIL,
+    telugu = c.HB_SCRIPT_TELUGU,
+    thai = c.HB_SCRIPT_THAI,
+    tibetan = c.HB_SCRIPT_TIBETAN,
+    bopomofo = c.HB_SCRIPT_BOPOMOFO,
+    braille = c.HB_SCRIPT_BRAILLE,
+    canadian_syllabics = c.HB_SCRIPT_CANADIAN_SYLLABICS,
+    cherokee = c.HB_SCRIPT_CHEROKEE,
+    ethiopic = c.HB_SCRIPT_ETHIOPIC,
+    khmer = c.HB_SCRIPT_KHMER,
+    mongolian = c.HB_SCRIPT_MONGOLIAN,
+    myanmar = c.HB_SCRIPT_MYANMAR,
+    ogham = c.HB_SCRIPT_OGHAM,
+    runic = c.HB_SCRIPT_RUNIC,
+    sinhala = c.HB_SCRIPT_SINHALA,
+    syriac = c.HB_SCRIPT_SYRIAC,
+    thaana = c.HB_SCRIPT_THAANA,
+    yi = c.HB_SCRIPT_YI,
+    deseret = c.HB_SCRIPT_DESERET,
+    gothic = c.HB_SCRIPT_GOTHIC,
+    old_italic = c.HB_SCRIPT_OLD_ITALIC,
+    buhid = c.HB_SCRIPT_BUHID,
+    hanunoo = c.HB_SCRIPT_HANUNOO,
+    tagalog = c.HB_SCRIPT_TAGALOG,
+    tagbanwa = c.HB_SCRIPT_TAGBANWA,
+    cypriot = c.HB_SCRIPT_CYPRIOT,
+    limbu = c.HB_SCRIPT_LIMBU,
+    linear_b = c.HB_SCRIPT_LINEAR_B,
+    osmanya = c.HB_SCRIPT_OSMANYA,
+    shavian = c.HB_SCRIPT_SHAVIAN,
+    tai_le = c.HB_SCRIPT_TAI_LE,
+    ugaritic = c.HB_SCRIPT_UGARITIC,
+    buginese = c.HB_SCRIPT_BUGINESE,
+    coptic = c.HB_SCRIPT_COPTIC,
+    glagolitic = c.HB_SCRIPT_GLAGOLITIC,
+    kharoshthi = c.HB_SCRIPT_KHAROSHTHI,
+    new_tai_lue = c.HB_SCRIPT_NEW_TAI_LUE,
+    old_persian = c.HB_SCRIPT_OLD_PERSIAN,
+    syloti_nagri = c.HB_SCRIPT_SYLOTI_NAGRI,
+    tifinagh = c.HB_SCRIPT_TIFINAGH,
+    balinese = c.HB_SCRIPT_BALINESE,
+    cuneiform = c.HB_SCRIPT_CUNEIFORM,
+    nko = c.HB_SCRIPT_NKO,
+    phags_pa = c.HB_SCRIPT_PHAGS_PA,
+    phoenician = c.HB_SCRIPT_PHOENICIAN,
+    carian = c.HB_SCRIPT_CARIAN,
+    cham = c.HB_SCRIPT_CHAM,
+    kayah_li = c.HB_SCRIPT_KAYAH_LI,
+    lepcha = c.HB_SCRIPT_LEPCHA,
+    lycian = c.HB_SCRIPT_LYCIAN,
+    lydian = c.HB_SCRIPT_LYDIAN,
+    ol_chiki = c.HB_SCRIPT_OL_CHIKI,
+    rejang = c.HB_SCRIPT_REJANG,
+    saurashtra = c.HB_SCRIPT_SAURASHTRA,
+    sundanese = c.HB_SCRIPT_SUNDANESE,
+    vai = c.HB_SCRIPT_VAI,
+    avestan = c.HB_SCRIPT_AVESTAN,
+    bamum = c.HB_SCRIPT_BAMUM,
+    egyptian_hieroglyphs = c.HB_SCRIPT_EGYPTIAN_HIEROGLYPHS,
+    imperial_aramaic = c.HB_SCRIPT_IMPERIAL_ARAMAIC,
+    inscriptional_pahlavi = c.HB_SCRIPT_INSCRIPTIONAL_PAHLAVI,
+    inscriptional_parthian = c.HB_SCRIPT_INSCRIPTIONAL_PARTHIAN,
+    javanese = c.HB_SCRIPT_JAVANESE,
+    kaithi = c.HB_SCRIPT_KAITHI,
+    lisu = c.HB_SCRIPT_LISU,
+    meetei_mayek = c.HB_SCRIPT_MEETEI_MAYEK,
+    old_south_arabian = c.HB_SCRIPT_OLD_SOUTH_ARABIAN,
+    old_turkic = c.HB_SCRIPT_OLD_TURKIC,
+    samaritan = c.HB_SCRIPT_SAMARITAN,
+    tai_tham = c.HB_SCRIPT_TAI_THAM,
+    tai_viet = c.HB_SCRIPT_TAI_VIET,
+    batak = c.HB_SCRIPT_BATAK,
+    brahmi = c.HB_SCRIPT_BRAHMI,
+    mandaic = c.HB_SCRIPT_MANDAIC,
+    chakma = c.HB_SCRIPT_CHAKMA,
+    meroitic_cursive = c.HB_SCRIPT_MEROITIC_CURSIVE,
+    meroitic_hieroglyphs = c.HB_SCRIPT_MEROITIC_HIEROGLYPHS,
+    miao = c.HB_SCRIPT_MIAO,
+    sharada = c.HB_SCRIPT_SHARADA,
+    sora_sompeng = c.HB_SCRIPT_SORA_SOMPENG,
+    takri = c.HB_SCRIPT_TAKRI,
+    bassa_vah = c.HB_SCRIPT_BASSA_VAH,
+    caucasian_albanian = c.HB_SCRIPT_CAUCASIAN_ALBANIAN,
+    duployan = c.HB_SCRIPT_DUPLOYAN,
+    elbasan = c.HB_SCRIPT_ELBASAN,
+    grantha = c.HB_SCRIPT_GRANTHA,
+    khojki = c.HB_SCRIPT_KHOJKI,
+    khudawadi = c.HB_SCRIPT_KHUDAWADI,
+    linear_a = c.HB_SCRIPT_LINEAR_A,
+    mahajani = c.HB_SCRIPT_MAHAJANI,
+    manichaean = c.HB_SCRIPT_MANICHAEAN,
+    mende_kikakui = c.HB_SCRIPT_MENDE_KIKAKUI,
+    modi = c.HB_SCRIPT_MODI,
+    mro = c.HB_SCRIPT_MRO,
+    nabataean = c.HB_SCRIPT_NABATAEAN,
+    old_north_arabian = c.HB_SCRIPT_OLD_NORTH_ARABIAN,
+    old_permic = c.HB_SCRIPT_OLD_PERMIC,
+    pahawh_hmong = c.HB_SCRIPT_PAHAWH_HMONG,
+    palmyrene = c.HB_SCRIPT_PALMYRENE,
+    pau_cin_hau = c.HB_SCRIPT_PAU_CIN_HAU,
+    psalter_pahlavi = c.HB_SCRIPT_PSALTER_PAHLAVI,
+    siddham = c.HB_SCRIPT_SIDDHAM,
+    tirhuta = c.HB_SCRIPT_TIRHUTA,
+    warang_citi = c.HB_SCRIPT_WARANG_CITI,
+    ahom = c.HB_SCRIPT_AHOM,
+    anatolian_hieroglyphs = c.HB_SCRIPT_ANATOLIAN_HIEROGLYPHS,
+    hatran = c.HB_SCRIPT_HATRAN,
+    multani = c.HB_SCRIPT_MULTANI,
+    old_hungarian = c.HB_SCRIPT_OLD_HUNGARIAN,
+    signwriting = c.HB_SCRIPT_SIGNWRITING,
+    adlam = c.HB_SCRIPT_ADLAM,
+    bhaiksuki = c.HB_SCRIPT_BHAIKSUKI,
+    marchen = c.HB_SCRIPT_MARCHEN,
+    osage = c.HB_SCRIPT_OSAGE,
+    tangut = c.HB_SCRIPT_TANGUT,
+    newa = c.HB_SCRIPT_NEWA,
+    masaram_gondi = c.HB_SCRIPT_MASARAM_GONDI,
+    nushu = c.HB_SCRIPT_NUSHU,
+    soyombo = c.HB_SCRIPT_SOYOMBO,
+    zanabazar_square = c.HB_SCRIPT_ZANABAZAR_SQUARE,
+    dogra = c.HB_SCRIPT_DOGRA,
+    gunjala_gondi = c.HB_SCRIPT_GUNJALA_GONDI,
+    hanifi_rohingya = c.HB_SCRIPT_HANIFI_ROHINGYA,
+    makasar = c.HB_SCRIPT_MAKASAR,
+    medefaidrin = c.HB_SCRIPT_MEDEFAIDRIN,
+    old_sogdian = c.HB_SCRIPT_OLD_SOGDIAN,
+    sogdian = c.HB_SCRIPT_SOGDIAN,
+    elymaic = c.HB_SCRIPT_ELYMAIC,
+    nandinagari = c.HB_SCRIPT_NANDINAGARI,
+    nyiakeng_puachue_hmong = c.HB_SCRIPT_NYIAKENG_PUACHUE_HMONG,
+    wancho = c.HB_SCRIPT_WANCHO,
+    chorasmian = c.HB_SCRIPT_CHORASMIAN,
+    dives_akuru = c.HB_SCRIPT_DIVES_AKURU,
+    khitan_small_script = c.HB_SCRIPT_KHITAN_SMALL_SCRIPT,
+    yezidi = c.HB_SCRIPT_YEZIDI,
+    cypro_minoan = c.HB_SCRIPT_CYPRO_MINOAN,
+    old_uyghur = c.HB_SCRIPT_OLD_UYGHUR,
+    tangsa = c.HB_SCRIPT_TANGSA,
+    toto = c.HB_SCRIPT_TOTO,
+    vithkuqi = c.HB_SCRIPT_VITHKUQI,
+    math = c.HB_SCRIPT_MATH,
+    invalid = c.HB_SCRIPT_INVALID,
+};
+
+pub const Language = struct {
+    handle: c.hb_language_t,
+
+    pub fn init(name: []const u8) Language {
+        return .{
+            .handle = c.hb_language_from_string(&name[0], name.len),
+        };
+    }
+
+    pub fn toString(self: Language) [:0]const u8 {
+        return std.mem.span(c.hb_language_to_string(self.handle));
+    }
+};

freetype/src/harfbuzz/main.zig

@@ -1 +1,10 @@
-//
+pub usingnamespace @import("blob.zig");
+pub usingnamespace @import("buffer.zig");
+pub usingnamespace @import("common.zig");
+pub const c = @import("c.zig");
+
+const utils = @import("utils");
+
+test {
+    utils.refAllDecls(@This());
+}

freetype/src/utils.zig

@@ -20,26 +20,16 @@ pub fn bitFieldsToStruct(comptime StructType: type, comptime EnumDataType: type,
     return value;
 }
 
-const TestEnum = enum(u16) {
-    filed_1 = (1 << 1),
-    filed_2 = (1 << 2),
-    filed_3 = (1 << 3),
-};
-
-const TestStruct = packed struct {
-    filed_1: bool = false,
-    filed_2: bool = false,
-    filed_3: bool = false,
-};
-
-test "struct fields to bit fields" {
-    try std.testing.expectEqual(@as(u16, (1 << 1) | (1 << 3)), structToBitFields(u16, TestEnum, TestStruct{
-        .filed_1 = true,
-        .filed_3 = true,
-    }));
-    try std.testing.expectEqual(@as(u16, 0), structToBitFields(u16, TestEnum, TestStruct{}));
-}
-
-test "bit fields to struct" {
-    try std.testing.expectEqual(TestStruct{ .filed_1 = true, .filed_2 = true, .filed_3 = false }, bitFieldsToStruct(TestStruct, TestEnum, (1 << 1) | (1 << 2)));
+pub fn refAllDecls(comptime T: type) void {
+    switch (@typeInfo(T)) {
+        .Struct, .Union, .Opaque, .Enum => {
+            inline for (comptime std.meta.declarations(T)) |decl| {
+                if (decl.is_pub) {
+                    refAllDecls(@TypeOf(@field(T, decl.name)));
+                    std.testing.refAllDecls(T);
+                }
+            }
+        },
+        else => {},
+    }
 }