mirror of
https://github.com/boykopovar/AnyPS5.git
synced 2026-11-08 13:50:20 +00:00
256 lines
11 KiB
C++
256 lines
11 KiB
C++
#include "prx/libharfbuzz/libharfbuzz.hpp"
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#include <hb.h>
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#include <array>
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#include <cstdint>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <random>
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#include <string_view>
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#include <vector>
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static void Check(bool value, int line) {
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if (!value) {
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std::fprintf(stderr, "HarfBuzz buffer check failed at line %d\n", line);
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std::abort();
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}
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}
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#define Require(value) Check((value), __LINE__)
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struct BufferPair {
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hb_buffer_t* guest = hb_buffer_create_nid_postfix();
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hb_buffer_t* native = hb_buffer_create();
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BufferPair() {
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Require(guest && native && guest != native);
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}
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~BufferPair() {
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hb_buffer_destroy_nid_postfix(guest);
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hb_buffer_destroy(native);
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}
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void Reset() {
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hb_buffer_reset_nid_postfix(guest);
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hb_buffer_reset(native);
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}
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void Add(const std::uint16_t* text, int textLength, unsigned itemOffset, int itemLength) {
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hb_buffer_add_utf16_nid_postfix(guest, text, textLength, itemOffset, itemLength);
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hb_buffer_add_utf16(native, text, textLength, itemOffset, itemLength);
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}
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void Guess() {
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hb_buffer_guess_segment_properties_nid_postfix(guest);
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hb_buffer_guess_segment_properties(native);
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}
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void Direction(hb_direction_t direction) {
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hb_buffer_set_direction_nid_postfix(guest, direction);
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hb_buffer_set_direction(native, direction);
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}
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void Script(hb_script_t script) {
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hb_buffer_set_script_nid_postfix(guest, script);
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hb_buffer_set_script(native, script);
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}
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void Compare(bool comparePositions = false) {
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Require(hb_buffer_get_length_nid_postfix(guest) == hb_buffer_get_length(native));
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Require(hb_buffer_get_direction_nid_postfix(guest) == hb_buffer_get_direction(native));
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Require(hb_buffer_get_script(guest) == hb_buffer_get_script(native));
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const auto guestLanguage = hb_buffer_get_language(guest);
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const auto nativeLanguage = hb_buffer_get_language(native);
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Require(bool(guestLanguage) == bool(nativeLanguage));
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if (guestLanguage) Require(std::strcmp(hb_language_to_string(guestLanguage), hb_language_to_string(nativeLanguage)) == 0);
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std::array<unsigned, 3> lengths{0x11223344, 0x55667788, 0x99AABBCC};
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unsigned nativeLength = 0xFFFFFFFF;
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auto* infos = hb_buffer_get_glyph_infos_nid_postfix(guest, &lengths[1]);
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const auto* nativeInfos = hb_buffer_get_glyph_infos(native, &nativeLength);
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Require(lengths[0] == 0x11223344 && lengths[2] == 0x99AABBCC);
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Require(lengths[1] == nativeLength && nativeLength == hb_buffer_get_length(native));
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Require(bool(infos) == bool(nativeInfos));
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Require(hb_buffer_get_glyph_infos_nid_postfix(guest, nullptr) == infos);
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for (unsigned index = 0; index < nativeLength; ++index) {
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Require(infos[index].codepoint == nativeInfos[index].codepoint);
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Require(infos[index].mask == nativeInfos[index].mask);
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Require(infos[index].cluster == nativeInfos[index].cluster);
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Require(infos[index].var1.u32 == nativeInfos[index].var1.u32);
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Require(infos[index].var2.u32 == nativeInfos[index].var2.u32);
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}
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if (!comparePositions) return;
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lengths[1] = 0x55667788;
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auto* positions = hb_buffer_get_glyph_positions_nid_postfix(guest, &lengths[1]);
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const auto* nativePositions = hb_buffer_get_glyph_positions(native, &nativeLength);
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Require(lengths[0] == 0x11223344 && lengths[2] == 0x99AABBCC);
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Require(lengths[1] == nativeLength && nativeLength == hb_buffer_get_length(native));
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Require(bool(positions) == bool(nativePositions));
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Require(hb_buffer_get_glyph_positions_nid_postfix(guest, nullptr) == positions);
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for (unsigned index = 0; index < nativeLength; ++index) {
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Require(positions[index].x_advance == nativePositions[index].x_advance);
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Require(positions[index].y_advance == nativePositions[index].y_advance);
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Require(positions[index].x_offset == nativePositions[index].x_offset);
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Require(positions[index].y_offset == nativePositions[index].y_offset);
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Require(positions[index].var.u32 == nativePositions[index].var.u32);
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}
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}
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};
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static void Utf16() {
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BufferPair pair;
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pair.Compare();
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const std::array<std::uint16_t, 9> text{'A', 0xD83D, 0xDE00, 0xD800, 'B', 0xDC00, 0, 'C', 0};
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pair.Add(text.data(), 8, 0, -1);
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const auto* infos = hb_buffer_get_glyph_infos_nid_postfix(pair.guest, nullptr);
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const std::array<std::uint32_t, 7> codepoints{'A', 0x1F600, 0xFFFD, 'B', 0xFFFD, 0, 'C'};
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const std::array<unsigned, 7> clusters{0, 1, 3, 4, 5, 6, 7};
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Require(hb_buffer_get_length_nid_postfix(pair.guest) == codepoints.size());
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for (unsigned index = 0; index < codepoints.size(); ++index) {
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Require(infos[index].codepoint == codepoints[index]);
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Require(infos[index].cluster == clusters[index]);
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}
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pair.Compare(true);
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for (int length : {0, 1, 2, 3, 6, 8, -1}) {
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const unsigned size = length == -1 ? 6 : static_cast<unsigned>(length);
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for (unsigned offset = 0; offset <= size; ++offset) {
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for (unsigned count = 0; count <= size - offset; ++count) {
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pair.Reset();
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pair.Add(text.data(), length, offset, static_cast<int>(count));
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pair.Compare();
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}
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pair.Reset();
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pair.Add(text.data(), length, offset, -1);
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pair.Compare();
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}
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}
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std::vector<std::uint16_t> units(65537);
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for (unsigned index = 0; index < 65536; ++index) units[index] = static_cast<std::uint16_t>(index);
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pair.Reset();
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pair.Add(units.data(), 65536, 0, 65536);
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pair.Compare(true);
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std::mt19937 random(0x48424246);
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for (unsigned iteration = 0; iteration < 1000; ++iteration) {
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const unsigned size = random() % 257;
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units.resize(size + 1);
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for (unsigned index = 0; index < size; ++index) units[index] = static_cast<std::uint16_t>(random());
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units[size] = 0;
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const unsigned offset = random() % (size + 1);
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const unsigned count = random() % (size - offset + 1);
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pair.Reset();
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pair.Add(units.data(), static_cast<int>(size), offset, static_cast<int>(count));
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pair.Compare();
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pair.Add(text.data(), 8, 1, 2);
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pair.Compare();
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}
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}
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static void Properties() {
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BufferPair pair;
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pair.Guess();
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Require(hb_buffer_get_direction_nid_postfix(pair.guest) == HB_DIRECTION_LTR);
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pair.Compare();
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struct ScriptCase {
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std::uint16_t character;
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hb_script_t script;
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hb_direction_t direction;
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};
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const std::array<ScriptCase, 8> cases{{
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{'A', HB_SCRIPT_LATIN, HB_DIRECTION_LTR},
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{0x0627, HB_SCRIPT_ARABIC, HB_DIRECTION_RTL},
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{0x05D0, HB_SCRIPT_HEBREW, HB_DIRECTION_RTL},
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{0x03B1, HB_SCRIPT_GREEK, HB_DIRECTION_LTR},
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{0x0410, HB_SCRIPT_CYRILLIC, HB_DIRECTION_LTR},
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{0x0915, HB_SCRIPT_DEVANAGARI, HB_DIRECTION_LTR},
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{0x4E00, HB_SCRIPT_HAN, HB_DIRECTION_LTR},
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{0x3042, HB_SCRIPT_HIRAGANA, HB_DIRECTION_LTR}
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}};
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for (const auto& test : cases) {
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pair.Reset();
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const std::array<std::uint16_t, 5> text{' ', 0x0301, test.character, 'A', 0};
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pair.Add(text.data(), -1, 0, -1);
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pair.Guess();
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Require(hb_buffer_get_direction_nid_postfix(pair.guest) == test.direction);
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Require(hb_buffer_get_script(pair.guest) == test.script);
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pair.Compare();
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pair.Guess();
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pair.Compare();
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for (auto direction : {HB_DIRECTION_LTR, HB_DIRECTION_RTL, HB_DIRECTION_TTB, HB_DIRECTION_BTT}) {
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pair.Direction(direction);
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pair.Guess();
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Require(hb_buffer_get_direction_nid_postfix(pair.guest) == direction);
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pair.Compare();
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}
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pair.Script(HB_SCRIPT_ARABIC);
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pair.Direction(HB_DIRECTION_INVALID);
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pair.Guess();
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Require(hb_buffer_get_direction_nid_postfix(pair.guest) == HB_DIRECTION_RTL);
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pair.Compare();
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pair.Script(HB_SCRIPT_LATIN);
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pair.Guess();
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Require(hb_buffer_get_direction_nid_postfix(pair.guest) == HB_DIRECTION_RTL);
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pair.Compare();
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}
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pair.Reset();
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Require(hb_buffer_get_direction_nid_postfix(pair.guest) == HB_DIRECTION_INVALID);
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Require(hb_buffer_get_script(pair.guest) == HB_SCRIPT_INVALID);
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Require(hb_buffer_get_language(pair.guest) == HB_LANGUAGE_INVALID);
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pair.Compare();
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}
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static void Lifetime() {
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hb_buffer_destroy_nid_postfix(nullptr);
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BufferPair first;
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BufferPair second;
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const std::array<std::uint16_t, 4> text{'A', 'B', 'C', 0};
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for (unsigned iteration = 0; iteration < 128; ++iteration) {
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first.Add(text.data(), -1, 0, -1);
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first.Direction(HB_DIRECTION_RTL);
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second.Reset();
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second.Add(text.data(), 3, 1, 1);
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second.Script(HB_SCRIPT_LATIN);
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second.Guess();
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Require(hb_buffer_get_length_nid_postfix(first.guest) == 3 * (iteration + 1));
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Require(hb_buffer_get_length_nid_postfix(second.guest) == 1);
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first.Compare();
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second.Compare();
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}
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first.Compare(true);
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auto* infos = hb_buffer_get_glyph_infos_nid_postfix(first.guest, nullptr);
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auto* nativeInfos = hb_buffer_get_glyph_infos(first.native, nullptr);
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auto* positions = hb_buffer_get_glyph_positions_nid_postfix(first.guest, nullptr);
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auto* nativePositions = hb_buffer_get_glyph_positions(first.native, nullptr);
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infos[0].mask = nativeInfos[0].mask = 0xF00D;
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infos[0].cluster = nativeInfos[0].cluster = 0xABCDEF;
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positions[0].x_advance = nativePositions[0].x_advance = -1234;
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positions[0].y_offset = nativePositions[0].y_offset = 5678;
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first.Guess();
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first.Compare(true);
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Require(hb_buffer_get_glyph_infos_nid_postfix(first.guest, nullptr) == infos);
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Require(hb_buffer_get_glyph_positions_nid_postfix(first.guest, nullptr) == positions);
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second.Reset();
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first.Compare(true);
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first.Reset();
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first.Compare();
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first.Add(text.data(), -1, 0, -1);
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first.Compare(true);
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const auto* resetPositions = hb_buffer_get_glyph_positions_nid_postfix(first.guest, nullptr);
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Require(resetPositions[0].x_advance == 0 && resetPositions[0].y_offset == 0);
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}
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int main(int argc, char** argv) {
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Require(argc == 2);
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const std::string_view mode = argv[1];
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if (mode == "utf16") Utf16();
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else if (mode == "properties") Properties();
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else if (mode == "lifetime") Lifetime();
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else Require(false);
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std::printf("HarfBuzz buffer %s checks passed\n", argv[1]);
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}
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