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kotatogram-desktop/Telegram/SourceFiles/core/utils.cpp
Vitaly Zaitsev d89aab08bf Fixed build against OpenSSL 3.0. 
Deprecated function FIPS_mode_set() was removed in OpenSSL 3.0.

Switched to EVP_default_properties_enable_fips() as described in OpenSSL
3.0 migration guide.

Signed-off-by: Vitaly Zaitsev <vitaly@easycoding.org>
2021-12-19 16:35:13 +04:00

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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "core/utils.h"
#include "base/qthelp_url.h"
#include "platform/platform_specific.h"
extern "C" {
#include <openssl/crypto.h>
#include <openssl/sha.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/engine.h>
#include <openssl/conf.h>
#include <openssl/ssl.h>
#include <openssl/rand.h>
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
} // extern "C"
#ifdef Q_OS_WIN
#elif defined Q_OS_MAC
#include <mach/mach_time.h>
#else
#include <time.h>
#endif
uint64 _SharedMemoryLocation[4] = { 0x00, 0x01, 0x02, 0x03 };
// Base types compile-time check
static_assert(sizeof(char) == 1, "Basic types size check failed");
static_assert(sizeof(uchar) == 1, "Basic types size check failed");
static_assert(sizeof(int16) == 2, "Basic types size check failed");
static_assert(sizeof(uint16) == 2, "Basic types size check failed");
static_assert(sizeof(int32) == 4, "Basic types size check failed");
static_assert(sizeof(uint32) == 4, "Basic types size check failed");
static_assert(sizeof(int64) == 8, "Basic types size check failed");
static_assert(sizeof(uint64) == 8, "Basic types size check failed");
static_assert(sizeof(float32) == 4, "Basic types size check failed");
static_assert(sizeof(float64) == 8, "Basic types size check failed");
static_assert(sizeof(mtpPrime) == 4, "Basic types size check failed");
static_assert(sizeof(MTPint) == 4, "Basic types size check failed");
static_assert(sizeof(MTPlong) == 8, "Basic types size check failed");
static_assert(sizeof(MTPint128) == 16, "Basic types size check failed");
static_assert(sizeof(MTPint256) == 32, "Basic types size check failed");
static_assert(sizeof(MTPdouble) == 8, "Basic types size check failed");
static_assert(sizeof(int) >= 4, "Basic types size check failed");
// Precise timing functions / rand init
namespace ThirdParty {
void start() {
Platform::ThirdParty::start();
if (!RAND_status()) { // should be always inited in all modern OS
const auto FeedSeed = [](auto value) {
RAND_seed(&value, sizeof(value));
};
#ifdef Q_OS_WIN
LARGE_INTEGER li;
QueryPerformanceFrequency(&li);
FeedSeed(li.QuadPart);
QueryPerformanceCounter(&li);
FeedSeed(li.QuadPart);
#elif defined Q_OS_MAC
mach_timebase_info_data_t tb = { 0 };
mach_timebase_info(&tb);
FeedSeed(tb);
FeedSeed(mach_absolute_time());
#else
timespec ts = { 0 };
clock_gettime(CLOCK_MONOTONIC, &ts);
FeedSeed(ts);
#endif
if (!RAND_status()) {
LOG(("MTP Error: Could not init OpenSSL rand, RAND_status() is 0..."));
}
}
}
void finish() {
#if OPENSSL_VERSION_NUMBER >= 0x30000000L
EVP_default_properties_enable_fips(nullptr, 0);
#else
FIPS_mode_set(0);
#endif
CONF_modules_unload(1);
Platform::ThirdParty::finish();
}
}
int32 *hashSha1(const void *data, uint32 len, void *dest) {
return (int32*)SHA1((const uchar*)data, (size_t)len, (uchar*)dest);
}
int32 *hashSha256(const void *data, uint32 len, void *dest) {
return (int32*)SHA256((const uchar*)data, (size_t)len, (uchar*)dest);
}
// md5 hash, taken somewhere from the internet
namespace {
inline void _md5_decode(uint32 *output, const uchar *input, uint32 len) {
for (uint32 i = 0, j = 0; j < len; i++, j += 4) {
output[i] = ((uint32)input[j]) | (((uint32)input[j + 1]) << 8) | (((uint32)input[j + 2]) << 16) | (((uint32)input[j + 3]) << 24);
}
}
inline void _md5_encode(uchar *output, const uint32 *input, uint32 len) {
for (uint32 i = 0, j = 0; j < len; i++, j += 4) {
output[j + 0] = (input[i]) & 0xFF;
output[j + 1] = (input[i] >> 8) & 0xFF;
output[j + 2] = (input[i] >> 16) & 0xFF;
output[j + 3] = (input[i] >> 24) & 0xFF;
}
}
inline uint32 _md5_rotate_left(uint32 x, int n) {
return (x << n) | (x >> (32 - n));
}
inline uint32 _md5_F(uint32 x, uint32 y, uint32 z) {
return (x & y) | (~x & z);
}
inline uint32 _md5_G(uint32 x, uint32 y, uint32 z) {
return (x & z) | (y & ~z);
}
inline uint32 _md5_H(uint32 x, uint32 y, uint32 z) {
return x ^ y ^ z;
}
inline uint32 _md5_I(uint32 x, uint32 y, uint32 z) {
return y ^ (x | ~z);
}
inline void _md5_FF(uint32 &a, uint32 b, uint32 c, uint32 d, uint32 x, uint32 s, uint32 ac) {
a = _md5_rotate_left(a + _md5_F(b, c, d) + x + ac, s) + b;
}
inline void _md5_GG(uint32 &a, uint32 b, uint32 c, uint32 d, uint32 x, uint32 s, uint32 ac) {
a = _md5_rotate_left(a + _md5_G(b, c, d) + x + ac, s) + b;
}
inline void _md5_HH(uint32 &a, uint32 b, uint32 c, uint32 d, uint32 x, uint32 s, uint32 ac) {
a = _md5_rotate_left(a + _md5_H(b, c, d) + x + ac, s) + b;
}
inline void _md5_II(uint32 &a, uint32 b, uint32 c, uint32 d, uint32 x, uint32 s, uint32 ac) {
a = _md5_rotate_left(a + _md5_I(b, c, d) + x + ac, s) + b;
}
static uchar _md5_padding[64] = {
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
}
HashMd5::HashMd5(const void *input, uint32 length) : _finalized(false) {
init();
if (input && length > 0) feed(input, length);
}
void HashMd5::feed(const void *input, uint32 length) {
uint32 index = _count[0] / 8 % _md5_block_size;
const uchar *buf = (const uchar *)input;
if ((_count[0] += (length << 3)) < (length << 3)) {
_count[1]++;
}
_count[1] += (length >> 29);
uint32 firstpart = 64 - index;
uint32 i;
if (length >= firstpart) {
memcpy(&_buffer[index], buf, firstpart);
transform(_buffer);
for (i = firstpart; i + _md5_block_size <= length; i += _md5_block_size) {
transform(&buf[i]);
}
index = 0;
} else {
i = 0;
}
memcpy(&_buffer[index], &buf[i], length - i);
}
int32 *HashMd5::result() {
if (!_finalized) finalize();
return (int32*)_digest;
}
void HashMd5::init() {
_count[0] = 0;
_count[1] = 0;
_state[0] = 0x67452301;
_state[1] = 0xefcdab89;
_state[2] = 0x98badcfe;
_state[3] = 0x10325476;
}
void HashMd5::finalize() {
if (!_finalized) {
uchar bits[8];
_md5_encode(bits, _count, 8);
uint32 index = _count[0] / 8 % 64, paddingLen = (index < 56) ? (56 - index) : (120 - index);
feed(_md5_padding, paddingLen);
feed(bits, 8);
_md5_encode(_digest, _state, 16);
_finalized = true;
}
}
void HashMd5::transform(const uchar *block) {
uint32 a = _state[0], b = _state[1], c = _state[2], d = _state[3], x[16];
_md5_decode(x, block, _md5_block_size);
_md5_FF(a, b, c, d, x[0] , 7 , 0xd76aa478);
_md5_FF(d, a, b, c, x[1] , 12, 0xe8c7b756);
_md5_FF(c, d, a, b, x[2] , 17, 0x242070db);
_md5_FF(b, c, d, a, x[3] , 22, 0xc1bdceee);
_md5_FF(a, b, c, d, x[4] , 7 , 0xf57c0faf);
_md5_FF(d, a, b, c, x[5] , 12, 0x4787c62a);
_md5_FF(c, d, a, b, x[6] , 17, 0xa8304613);
_md5_FF(b, c, d, a, x[7] , 22, 0xfd469501);
_md5_FF(a, b, c, d, x[8] , 7 , 0x698098d8);
_md5_FF(d, a, b, c, x[9] , 12, 0x8b44f7af);
_md5_FF(c, d, a, b, x[10], 17, 0xffff5bb1);
_md5_FF(b, c, d, a, x[11], 22, 0x895cd7be);
_md5_FF(a, b, c, d, x[12], 7 , 0x6b901122);
_md5_FF(d, a, b, c, x[13], 12, 0xfd987193);
_md5_FF(c, d, a, b, x[14], 17, 0xa679438e);
_md5_FF(b, c, d, a, x[15], 22, 0x49b40821);
_md5_GG(a, b, c, d, x[1] , 5 , 0xf61e2562);
_md5_GG(d, a, b, c, x[6] , 9 , 0xc040b340);
_md5_GG(c, d, a, b, x[11], 14, 0x265e5a51);
_md5_GG(b, c, d, a, x[0] , 20, 0xe9b6c7aa);
_md5_GG(a, b, c, d, x[5] , 5 , 0xd62f105d);
_md5_GG(d, a, b, c, x[10], 9 , 0x2441453);
_md5_GG(c, d, a, b, x[15], 14, 0xd8a1e681);
_md5_GG(b, c, d, a, x[4] , 20, 0xe7d3fbc8);
_md5_GG(a, b, c, d, x[9] , 5 , 0x21e1cde6);
_md5_GG(d, a, b, c, x[14], 9 , 0xc33707d6);
_md5_GG(c, d, a, b, x[3] , 14, 0xf4d50d87);
_md5_GG(b, c, d, a, x[8] , 20, 0x455a14ed);
_md5_GG(a, b, c, d, x[13], 5 , 0xa9e3e905);
_md5_GG(d, a, b, c, x[2] , 9 , 0xfcefa3f8);
_md5_GG(c, d, a, b, x[7] , 14, 0x676f02d9);
_md5_GG(b, c, d, a, x[12], 20, 0x8d2a4c8a);
_md5_HH(a, b, c, d, x[5] , 4 , 0xfffa3942);
_md5_HH(d, a, b, c, x[8] , 11, 0x8771f681);
_md5_HH(c, d, a, b, x[11], 16, 0x6d9d6122);
_md5_HH(b, c, d, a, x[14], 23, 0xfde5380c);
_md5_HH(a, b, c, d, x[1] , 4 , 0xa4beea44);
_md5_HH(d, a, b, c, x[4] , 11, 0x4bdecfa9);
_md5_HH(c, d, a, b, x[7] , 16, 0xf6bb4b60);
_md5_HH(b, c, d, a, x[10], 23, 0xbebfbc70);
_md5_HH(a, b, c, d, x[13], 4 , 0x289b7ec6);
_md5_HH(d, a, b, c, x[0] , 11, 0xeaa127fa);
_md5_HH(c, d, a, b, x[3] , 16, 0xd4ef3085);
_md5_HH(b, c, d, a, x[6] , 23, 0x4881d05);
_md5_HH(a, b, c, d, x[9] , 4 , 0xd9d4d039);
_md5_HH(d, a, b, c, x[12], 11, 0xe6db99e5);
_md5_HH(c, d, a, b, x[15], 16, 0x1fa27cf8);
_md5_HH(b, c, d, a, x[2] , 23, 0xc4ac5665);
_md5_II(a, b, c, d, x[0] , 6 , 0xf4292244);
_md5_II(d, a, b, c, x[7] , 10, 0x432aff97);
_md5_II(c, d, a, b, x[14], 15, 0xab9423a7);
_md5_II(b, c, d, a, x[5] , 21, 0xfc93a039);
_md5_II(a, b, c, d, x[12], 6 , 0x655b59c3);
_md5_II(d, a, b, c, x[3] , 10, 0x8f0ccc92);
_md5_II(c, d, a, b, x[10], 15, 0xffeff47d);
_md5_II(b, c, d, a, x[1] , 21, 0x85845dd1);
_md5_II(a, b, c, d, x[8] , 6 , 0x6fa87e4f);
_md5_II(d, a, b, c, x[15], 10, 0xfe2ce6e0);
_md5_II(c, d, a, b, x[6] , 15, 0xa3014314);
_md5_II(b, c, d, a, x[13], 21, 0x4e0811a1);
_md5_II(a, b, c, d, x[4] , 6 , 0xf7537e82);
_md5_II(d, a, b, c, x[11], 10, 0xbd3af235);
_md5_II(c, d, a, b, x[2] , 15, 0x2ad7d2bb);
_md5_II(b, c, d, a, x[9] , 21, 0xeb86d391);
_state[0] += a;
_state[1] += b;
_state[2] += c;
_state[3] += d;
}
int32 *hashMd5(const void *data, uint32 len, void *dest) {
HashMd5 md5(data, len);
memcpy(dest, md5.result(), 16);
return (int32*)dest;
}
char *hashMd5Hex(const int32 *hashmd5, void *dest) {
char *md5To = (char*)dest;
const uchar *res = (const uchar*)hashmd5;
for (int i = 0; i < 16; ++i) {
uchar ch(res[i]), high = (ch >> 4) & 0x0F, low = ch & 0x0F;
md5To[i * 2 + 0] = high + ((high > 0x09) ? ('a' - 0x0A) : '0');
md5To[i * 2 + 1] = low + ((low > 0x09) ? ('a' - 0x0A) : '0');
}
return md5To;
}
namespace {
QMap<QString, QString> fastRusEng;
QHash<QChar, QString> fastLetterRusEng;
QMap<uint32, QString> fastDoubleLetterRusEng;
QHash<QChar, QChar> fastRusKeyboardSwitch;
}
QString translitLetterRusEng(QChar letter, QChar next, int32 &toSkip) {
if (fastDoubleLetterRusEng.isEmpty()) {
fastDoubleLetterRusEng.insert((QString::fromUtf8("Ы").at(0).unicode() << 16) | QString::fromUtf8("й").at(0).unicode(), qsl("Y"));
fastDoubleLetterRusEng.insert((QString::fromUtf8("и").at(0).unicode() << 16) | QString::fromUtf8("я").at(0).unicode(), qsl("ia"));
fastDoubleLetterRusEng.insert((QString::fromUtf8("и").at(0).unicode() << 16) | QString::fromUtf8("й").at(0).unicode(), qsl("y"));
fastDoubleLetterRusEng.insert((QString::fromUtf8("к").at(0).unicode() << 16) | QString::fromUtf8("с").at(0).unicode(), qsl("x"));
fastDoubleLetterRusEng.insert((QString::fromUtf8("ы").at(0).unicode() << 16) | QString::fromUtf8("й").at(0).unicode(), qsl("y"));
fastDoubleLetterRusEng.insert((QString::fromUtf8("ь").at(0).unicode() << 16) | QString::fromUtf8("е").at(0).unicode(), qsl("ye"));
}
QMap<uint32, QString>::const_iterator i = fastDoubleLetterRusEng.constFind((letter.unicode() << 16) | next.unicode());
if (i != fastDoubleLetterRusEng.cend()) {
toSkip = 2;
return i.value();
}
toSkip = 1;
if (fastLetterRusEng.isEmpty()) {
fastLetterRusEng.insert(QString::fromUtf8("А").at(0), qsl("A"));
fastLetterRusEng.insert(QString::fromUtf8("Б").at(0), qsl("B"));
fastLetterRusEng.insert(QString::fromUtf8("В").at(0), qsl("V"));
fastLetterRusEng.insert(QString::fromUtf8("Г").at(0), qsl("G"));
fastLetterRusEng.insert(QString::fromUtf8("Ґ").at(0), qsl("G"));
fastLetterRusEng.insert(QString::fromUtf8("Д").at(0), qsl("D"));
fastLetterRusEng.insert(QString::fromUtf8("Е").at(0), qsl("E"));
fastLetterRusEng.insert(QString::fromUtf8("Є").at(0), qsl("Ye"));
fastLetterRusEng.insert(QString::fromUtf8("Ё").at(0), qsl("Yo"));
fastLetterRusEng.insert(QString::fromUtf8("Ж").at(0), qsl("Zh"));
fastLetterRusEng.insert(QString::fromUtf8("З").at(0), qsl("Z"));
fastLetterRusEng.insert(QString::fromUtf8("И").at(0), qsl("I"));
fastLetterRusEng.insert(QString::fromUtf8("Ї").at(0), qsl("Yi"));
fastLetterRusEng.insert(QString::fromUtf8("І").at(0), qsl("I"));
fastLetterRusEng.insert(QString::fromUtf8("Й").at(0), qsl("J"));
fastLetterRusEng.insert(QString::fromUtf8("К").at(0), qsl("K"));
fastLetterRusEng.insert(QString::fromUtf8("Л").at(0), qsl("L"));
fastLetterRusEng.insert(QString::fromUtf8("М").at(0), qsl("M"));
fastLetterRusEng.insert(QString::fromUtf8("Н").at(0), qsl("N"));
fastLetterRusEng.insert(QString::fromUtf8("О").at(0), qsl("O"));
fastLetterRusEng.insert(QString::fromUtf8("П").at(0), qsl("P"));
fastLetterRusEng.insert(QString::fromUtf8("Р").at(0), qsl("R"));
fastLetterRusEng.insert(QString::fromUtf8("С").at(0), qsl("S"));
fastLetterRusEng.insert(QString::fromUtf8("Т").at(0), qsl("T"));
fastLetterRusEng.insert(QString::fromUtf8("У").at(0), qsl("U"));
fastLetterRusEng.insert(QString::fromUtf8("Ў").at(0), qsl("W"));
fastLetterRusEng.insert(QString::fromUtf8("Ф").at(0), qsl("F"));
fastLetterRusEng.insert(QString::fromUtf8("Х").at(0), qsl("Kh"));
fastLetterRusEng.insert(QString::fromUtf8("Ц").at(0), qsl("Ts"));
fastLetterRusEng.insert(QString::fromUtf8("Ч").at(0), qsl("Ch"));
fastLetterRusEng.insert(QString::fromUtf8("Ш").at(0), qsl("Sh"));
fastLetterRusEng.insert(QString::fromUtf8("Щ").at(0), qsl("Sch"));
fastLetterRusEng.insert(QString::fromUtf8("Э").at(0), qsl("E"));
fastLetterRusEng.insert(QString::fromUtf8("Ю").at(0), qsl("Yu"));
fastLetterRusEng.insert(QString::fromUtf8("Я").at(0), qsl("Ya"));
fastLetterRusEng.insert(QString::fromUtf8("Ў").at(0), qsl("W"));
fastLetterRusEng.insert(QString::fromUtf8("а").at(0), qsl("a"));
fastLetterRusEng.insert(QString::fromUtf8("б").at(0), qsl("b"));
fastLetterRusEng.insert(QString::fromUtf8("в").at(0), qsl("v"));
fastLetterRusEng.insert(QString::fromUtf8("г").at(0), qsl("g"));
fastLetterRusEng.insert(QString::fromUtf8("ґ").at(0), qsl("g"));
fastLetterRusEng.insert(QString::fromUtf8("д").at(0), qsl("d"));
fastLetterRusEng.insert(QString::fromUtf8("е").at(0), qsl("e"));
fastLetterRusEng.insert(QString::fromUtf8("є").at(0), qsl("ye"));
fastLetterRusEng.insert(QString::fromUtf8("ё").at(0), qsl("yo"));
fastLetterRusEng.insert(QString::fromUtf8("ж").at(0), qsl("zh"));
fastLetterRusEng.insert(QString::fromUtf8("з").at(0), qsl("z"));
fastLetterRusEng.insert(QString::fromUtf8("й").at(0), qsl("y"));
fastLetterRusEng.insert(QString::fromUtf8("ї").at(0), qsl("yi"));
fastLetterRusEng.insert(QString::fromUtf8("і").at(0), qsl("i"));
fastLetterRusEng.insert(QString::fromUtf8("л").at(0), qsl("l"));
fastLetterRusEng.insert(QString::fromUtf8("м").at(0), qsl("m"));
fastLetterRusEng.insert(QString::fromUtf8("н").at(0), qsl("n"));
fastLetterRusEng.insert(QString::fromUtf8("о").at(0), qsl("o"));
fastLetterRusEng.insert(QString::fromUtf8("п").at(0), qsl("p"));
fastLetterRusEng.insert(QString::fromUtf8("р").at(0), qsl("r"));
fastLetterRusEng.insert(QString::fromUtf8("с").at(0), qsl("s"));
fastLetterRusEng.insert(QString::fromUtf8("т").at(0), qsl("t"));
fastLetterRusEng.insert(QString::fromUtf8("у").at(0), qsl("u"));
fastLetterRusEng.insert(QString::fromUtf8("ў").at(0), qsl("w"));
fastLetterRusEng.insert(QString::fromUtf8("ф").at(0), qsl("f"));
fastLetterRusEng.insert(QString::fromUtf8("х").at(0), qsl("kh"));
fastLetterRusEng.insert(QString::fromUtf8("ц").at(0), qsl("ts"));
fastLetterRusEng.insert(QString::fromUtf8("ч").at(0), qsl("ch"));
fastLetterRusEng.insert(QString::fromUtf8("ш").at(0), qsl("sh"));
fastLetterRusEng.insert(QString::fromUtf8("щ").at(0), qsl("sch"));
fastLetterRusEng.insert(QString::fromUtf8("ъ").at(0), QString());
fastLetterRusEng.insert(QString::fromUtf8("э").at(0), qsl("e"));
fastLetterRusEng.insert(QString::fromUtf8("ю").at(0), qsl("yu"));
fastLetterRusEng.insert(QString::fromUtf8("я").at(0), qsl("ya"));
fastLetterRusEng.insert(QString::fromUtf8("ў").at(0), qsl("w"));
fastLetterRusEng.insert(QString::fromUtf8("Ы").at(0), qsl("Y"));
fastLetterRusEng.insert(QString::fromUtf8("и").at(0), qsl("i"));
fastLetterRusEng.insert(QString::fromUtf8("к").at(0), qsl("k"));
fastLetterRusEng.insert(QString::fromUtf8("ы").at(0), qsl("y"));
fastLetterRusEng.insert(QString::fromUtf8("ь").at(0), QString());
}
QHash<QChar, QString>::const_iterator j = fastLetterRusEng.constFind(letter);
if (j != fastLetterRusEng.cend()) {
return j.value();
}
return QString(1, letter);
}
QString translitRusEng(const QString &rus) {
if (fastRusEng.isEmpty()) {
fastRusEng.insert(QString::fromUtf8("Александр"), qsl("Alexander"));
fastRusEng.insert(QString::fromUtf8("александр"), qsl("alexander"));
fastRusEng.insert(QString::fromUtf8("Филипп"), qsl("Philip"));
fastRusEng.insert(QString::fromUtf8("филипп"), qsl("philip"));
fastRusEng.insert(QString::fromUtf8("Пётр"), qsl("Petr"));
fastRusEng.insert(QString::fromUtf8("пётр"), qsl("petr"));
fastRusEng.insert(QString::fromUtf8("Гай"), qsl("Gai"));
fastRusEng.insert(QString::fromUtf8("гай"), qsl("gai"));
fastRusEng.insert(QString::fromUtf8("Ильин"), qsl("Ilyin"));
fastRusEng.insert(QString::fromUtf8("ильин"), qsl("ilyin"));
}
QMap<QString, QString>::const_iterator i = fastRusEng.constFind(rus);
if (i != fastRusEng.cend()) {
return i.value();
}
QString result;
result.reserve(rus.size() * 2);
int32 toSkip = 0;
for (QString::const_iterator i = rus.cbegin(), e = rus.cend(); i != e; i += toSkip) {
result += translitLetterRusEng(*i, (i + 1 == e) ? ' ' : *(i + 1), toSkip);
}
return result;
}
QString rusKeyboardLayoutSwitch(const QString &from) {
if (fastRusKeyboardSwitch.isEmpty()) {
fastRusKeyboardSwitch.insert('Q', QString::fromUtf8("Й").at(0));
fastRusKeyboardSwitch.insert('W', QString::fromUtf8("Ц").at(0));
fastRusKeyboardSwitch.insert('E', QString::fromUtf8("У").at(0));
fastRusKeyboardSwitch.insert('R', QString::fromUtf8("К").at(0));
fastRusKeyboardSwitch.insert('T', QString::fromUtf8("Е").at(0));
fastRusKeyboardSwitch.insert('Y', QString::fromUtf8("Н").at(0));
fastRusKeyboardSwitch.insert('U', QString::fromUtf8("Г").at(0));
fastRusKeyboardSwitch.insert('I', QString::fromUtf8("Ш").at(0));
fastRusKeyboardSwitch.insert('O', QString::fromUtf8("Щ").at(0));
fastRusKeyboardSwitch.insert('P', QString::fromUtf8("З").at(0));
fastRusKeyboardSwitch.insert('{', QString::fromUtf8("Х").at(0));
fastRusKeyboardSwitch.insert('}', QString::fromUtf8("Ъ").at(0));
fastRusKeyboardSwitch.insert('A', QString::fromUtf8("Ф").at(0));
fastRusKeyboardSwitch.insert('S', QString::fromUtf8("Ы").at(0));
fastRusKeyboardSwitch.insert('D', QString::fromUtf8("В").at(0));
fastRusKeyboardSwitch.insert('F', QString::fromUtf8("А").at(0));
fastRusKeyboardSwitch.insert('G', QString::fromUtf8("П").at(0));
fastRusKeyboardSwitch.insert('H', QString::fromUtf8("Р").at(0));
fastRusKeyboardSwitch.insert('J', QString::fromUtf8("О").at(0));
fastRusKeyboardSwitch.insert('K', QString::fromUtf8("Л").at(0));
fastRusKeyboardSwitch.insert('L', QString::fromUtf8("Д").at(0));
fastRusKeyboardSwitch.insert(':', QString::fromUtf8("Ж").at(0));
fastRusKeyboardSwitch.insert('"', QString::fromUtf8("Э").at(0));
fastRusKeyboardSwitch.insert('Z', QString::fromUtf8("Я").at(0));
fastRusKeyboardSwitch.insert('X', QString::fromUtf8("Ч").at(0));
fastRusKeyboardSwitch.insert('C', QString::fromUtf8("С").at(0));
fastRusKeyboardSwitch.insert('V', QString::fromUtf8("М").at(0));
fastRusKeyboardSwitch.insert('B', QString::fromUtf8("И").at(0));
fastRusKeyboardSwitch.insert('N', QString::fromUtf8("Т").at(0));
fastRusKeyboardSwitch.insert('M', QString::fromUtf8("Ь").at(0));
fastRusKeyboardSwitch.insert('<', QString::fromUtf8("Б").at(0));
fastRusKeyboardSwitch.insert('>', QString::fromUtf8("Ю").at(0));
fastRusKeyboardSwitch.insert('q', QString::fromUtf8("й").at(0));
fastRusKeyboardSwitch.insert('w', QString::fromUtf8("ц").at(0));
fastRusKeyboardSwitch.insert('e', QString::fromUtf8("у").at(0));
fastRusKeyboardSwitch.insert('r', QString::fromUtf8("к").at(0));
fastRusKeyboardSwitch.insert('t', QString::fromUtf8("е").at(0));
fastRusKeyboardSwitch.insert('y', QString::fromUtf8("н").at(0));
fastRusKeyboardSwitch.insert('u', QString::fromUtf8("г").at(0));
fastRusKeyboardSwitch.insert('i', QString::fromUtf8("ш").at(0));
fastRusKeyboardSwitch.insert('o', QString::fromUtf8("щ").at(0));
fastRusKeyboardSwitch.insert('p', QString::fromUtf8("з").at(0));
fastRusKeyboardSwitch.insert('[', QString::fromUtf8("х").at(0));
fastRusKeyboardSwitch.insert(']', QString::fromUtf8("ъ").at(0));
fastRusKeyboardSwitch.insert('a', QString::fromUtf8("ф").at(0));
fastRusKeyboardSwitch.insert('s', QString::fromUtf8("ы").at(0));
fastRusKeyboardSwitch.insert('d', QString::fromUtf8("в").at(0));
fastRusKeyboardSwitch.insert('f', QString::fromUtf8("а").at(0));
fastRusKeyboardSwitch.insert('g', QString::fromUtf8("п").at(0));
fastRusKeyboardSwitch.insert('h', QString::fromUtf8("р").at(0));
fastRusKeyboardSwitch.insert('j', QString::fromUtf8("о").at(0));
fastRusKeyboardSwitch.insert('k', QString::fromUtf8("л").at(0));
fastRusKeyboardSwitch.insert('l', QString::fromUtf8("д").at(0));
fastRusKeyboardSwitch.insert(';', QString::fromUtf8("ж").at(0));
fastRusKeyboardSwitch.insert('\'', QString::fromUtf8("э").at(0));
fastRusKeyboardSwitch.insert('z', QString::fromUtf8("я").at(0));
fastRusKeyboardSwitch.insert('x', QString::fromUtf8("ч").at(0));
fastRusKeyboardSwitch.insert('c', QString::fromUtf8("с").at(0));
fastRusKeyboardSwitch.insert('v', QString::fromUtf8("м").at(0));
fastRusKeyboardSwitch.insert('b', QString::fromUtf8("и").at(0));
fastRusKeyboardSwitch.insert('n', QString::fromUtf8("т").at(0));
fastRusKeyboardSwitch.insert('m', QString::fromUtf8("ь").at(0));
fastRusKeyboardSwitch.insert(',', QString::fromUtf8("б").at(0));
fastRusKeyboardSwitch.insert('.', QString::fromUtf8("ю").at(0));
fastRusKeyboardSwitch.insert(QString::fromUtf8("Й").at(0), 'Q');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Ц").at(0), 'W');
fastRusKeyboardSwitch.insert(QString::fromUtf8("У").at(0), 'E');
fastRusKeyboardSwitch.insert(QString::fromUtf8("К").at(0), 'R');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Е").at(0), 'T');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Н").at(0), 'Y');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Г").at(0), 'U');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Ш").at(0), 'I');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Щ").at(0), 'O');
fastRusKeyboardSwitch.insert(QString::fromUtf8("З").at(0), 'P');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Х").at(0), '{');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Ъ").at(0), '}');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Ф").at(0), 'A');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Ы").at(0), 'S');
fastRusKeyboardSwitch.insert(QString::fromUtf8("В").at(0), 'D');
fastRusKeyboardSwitch.insert(QString::fromUtf8("А").at(0), 'F');
fastRusKeyboardSwitch.insert(QString::fromUtf8("П").at(0), 'G');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Р").at(0), 'H');
fastRusKeyboardSwitch.insert(QString::fromUtf8("О").at(0), 'J');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Л").at(0), 'K');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Д").at(0), 'L');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Ж").at(0), ':');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Э").at(0), '"');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Я").at(0), 'Z');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Ч").at(0), 'X');
fastRusKeyboardSwitch.insert(QString::fromUtf8("С").at(0), 'C');
fastRusKeyboardSwitch.insert(QString::fromUtf8("М").at(0), 'V');
fastRusKeyboardSwitch.insert(QString::fromUtf8("И").at(0), 'B');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Т").at(0), 'N');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Ь").at(0), 'M');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Б").at(0), '<');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Ю").at(0), '>');
fastRusKeyboardSwitch.insert(QString::fromUtf8("й").at(0), 'q');
fastRusKeyboardSwitch.insert(QString::fromUtf8("ц").at(0), 'w');
fastRusKeyboardSwitch.insert(QString::fromUtf8("у").at(0), 'e');
fastRusKeyboardSwitch.insert(QString::fromUtf8("к").at(0), 'r');
fastRusKeyboardSwitch.insert(QString::fromUtf8("е").at(0), 't');
fastRusKeyboardSwitch.insert(QString::fromUtf8("н").at(0), 'y');
fastRusKeyboardSwitch.insert(QString::fromUtf8("г").at(0), 'u');
fastRusKeyboardSwitch.insert(QString::fromUtf8("ш").at(0), 'i');
fastRusKeyboardSwitch.insert(QString::fromUtf8("щ").at(0), 'o');
fastRusKeyboardSwitch.insert(QString::fromUtf8("з").at(0), 'p');
fastRusKeyboardSwitch.insert(QString::fromUtf8("х").at(0), '[');
fastRusKeyboardSwitch.insert(QString::fromUtf8("ъ").at(0), ']');
fastRusKeyboardSwitch.insert(QString::fromUtf8("ф").at(0), 'a');
fastRusKeyboardSwitch.insert(QString::fromUtf8("ы").at(0), 's');
fastRusKeyboardSwitch.insert(QString::fromUtf8("в").at(0), 'd');
fastRusKeyboardSwitch.insert(QString::fromUtf8("а").at(0), 'f');
fastRusKeyboardSwitch.insert(QString::fromUtf8("п").at(0), 'g');
fastRusKeyboardSwitch.insert(QString::fromUtf8("р").at(0), 'h');
fastRusKeyboardSwitch.insert(QString::fromUtf8("о").at(0), 'j');
fastRusKeyboardSwitch.insert(QString::fromUtf8("л").at(0), 'k');
fastRusKeyboardSwitch.insert(QString::fromUtf8("д").at(0), 'l');
fastRusKeyboardSwitch.insert(QString::fromUtf8("ж").at(0), ';');
fastRusKeyboardSwitch.insert(QString::fromUtf8("э").at(0), '\'');
fastRusKeyboardSwitch.insert(QString::fromUtf8("я").at(0), 'z');
fastRusKeyboardSwitch.insert(QString::fromUtf8("ч").at(0), 'x');
fastRusKeyboardSwitch.insert(QString::fromUtf8("с").at(0), 'c');
fastRusKeyboardSwitch.insert(QString::fromUtf8("м").at(0), 'v');
fastRusKeyboardSwitch.insert(QString::fromUtf8("и").at(0), 'b');
fastRusKeyboardSwitch.insert(QString::fromUtf8("т").at(0), 'n');
fastRusKeyboardSwitch.insert(QString::fromUtf8("ь").at(0), 'm');
fastRusKeyboardSwitch.insert(QString::fromUtf8("б").at(0), ',');
fastRusKeyboardSwitch.insert(QString::fromUtf8("ю").at(0), '.');
fastRusKeyboardSwitch.insert(QString::fromUtf8("І").at(0), 'S');
fastRusKeyboardSwitch.insert(QString::fromUtf8("і").at(0), 's');
fastRusKeyboardSwitch.insert(QString::fromUtf8("Ї").at(0), ']');
fastRusKeyboardSwitch.insert(QString::fromUtf8("ї").at(0), ']');
}
QString result;
result.reserve(from.size());
for (QString::const_iterator i = from.cbegin(), e = from.cend(); i != e; ++i) {
QHash<QChar, QChar>::const_iterator j = fastRusKeyboardSwitch.constFind(*i);
if (j == fastRusKeyboardSwitch.cend()) {
result += *i;
} else {
result += j.value();
}
}
return result;
}
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