diff options
| -rw-r--r-- | src/corelib/tools/qbytearray.cpp | 37 | ||||
| -rw-r--r-- | src/corelib/tools/qbytearray.h | 1 | ||||
| -rw-r--r-- | tests/auto/corelib/tools/qbytearray/tst_qbytearray.cpp | 47 |
3 files changed, 79 insertions, 6 deletions
diff --git a/src/corelib/tools/qbytearray.cpp b/src/corelib/tools/qbytearray.cpp index 7d9c5dc325..82c88ca694 100644 --- a/src/corelib/tools/qbytearray.cpp +++ b/src/corelib/tools/qbytearray.cpp @@ -4355,12 +4355,41 @@ QByteArray QByteArray::fromHex(const QByteArray &hexEncoded) */ QByteArray QByteArray::toHex() const { - QByteArray hex(d->size * 2, Qt::Uninitialized); + return toHex('\0'); +} + +/*! \overload + \since 5.9 + + Returns a hex encoded copy of the byte array. The hex encoding uses the numbers 0-9 and + the letters a-f. + + If \a separator is not '\0', the separator character is inserted between the hex bytes. + + Example: + \code + QByteArray macAddress = QByteArray::fromHex("123456abcdef"); + macAddress.toHex(':'); // returns "12:34:56:ab:cd:ef" + macAddress.toHex(0); // returns "123456abcdef" + \endcode + + \sa fromHex() +*/ +QByteArray QByteArray::toHex(char separator) const +{ + if (!d->size) + return QByteArray(); + + const int length = separator ? (d->size * 3 - 1) : (d->size * 2); + QByteArray hex(length, Qt::Uninitialized); char *hexData = hex.data(); const uchar *data = (const uchar *)d->data(); - for (int i = 0; i < d->size; ++i) { - hexData[i*2] = QtMiscUtils::toHexLower(data[i] >> 4); - hexData[i*2+1] = QtMiscUtils::toHexLower(data[i] & 0xf); + for (int i = 0, o = 0; i < d->size; ++i) { + hexData[o++] = QtMiscUtils::toHexLower(data[i] >> 4); + hexData[o++] = QtMiscUtils::toHexLower(data[i] & 0xf); + + if ((separator) && (o < length)) + hexData[o++] = separator; } return hex; } diff --git a/src/corelib/tools/qbytearray.h b/src/corelib/tools/qbytearray.h index 6875cbd764..cb94b30c2d 100644 --- a/src/corelib/tools/qbytearray.h +++ b/src/corelib/tools/qbytearray.h @@ -357,6 +357,7 @@ public: QByteArray toBase64(Base64Options options) const; QByteArray toBase64() const; // ### Qt6 merge with previous QByteArray toHex() const; + QByteArray toHex(char separator) const; // ### Qt6 merge with previous QByteArray toPercentEncoding(const QByteArray &exclude = QByteArray(), const QByteArray &include = QByteArray(), char percent = '%') const; diff --git a/tests/auto/corelib/tools/qbytearray/tst_qbytearray.cpp b/tests/auto/corelib/tools/qbytearray/tst_qbytearray.cpp index 310c5f6fd3..324086dbab 100644 --- a/tests/auto/corelib/tools/qbytearray/tst_qbytearray.cpp +++ b/tests/auto/corelib/tools/qbytearray/tst_qbytearray.cpp @@ -1443,61 +1443,97 @@ void tst_QByteArray::appendAfterFromRawData() void tst_QByteArray::toFromHex_data() { QTest::addColumn<QByteArray>("str"); + QTest::addColumn<char>("sep"); QTest::addColumn<QByteArray>("hex"); QTest::addColumn<QByteArray>("hex_alt1"); - QTest::newRow("Qt is great!") + QTest::newRow("Qt is great! (default)") << QByteArray("Qt is great!") + << '\0' << QByteArray("517420697320677265617421") << QByteArray("51 74 20 69 73 20 67 72 65 61 74 21"); + QTest::newRow("Qt is great! (with space)") + << QByteArray("Qt is great!") + << ' ' + << QByteArray("51 74 20 69 73 20 67 72 65 61 74 21") + << QByteArray("51 74 20 69 73 20 67 72 65 61 74 21"); + + QTest::newRow("Qt is great! (with minus)") + << QByteArray("Qt is great!") + << '-' + << QByteArray("51-74-20-69-73-20-67-72-65-61-74-21") + << QByteArray("51-74-20-69-73-20-67-72-65-61-74-21"); + QTest::newRow("Qt is so great!") << QByteArray("Qt is so great!") + << '\0' << QByteArray("517420697320736f20677265617421") << QByteArray("51 74 20 69 73 20 73 6f 20 67 72 65 61 74 21"); QTest::newRow("default-constructed") << QByteArray() + << '\0' + << QByteArray() + << QByteArray(); + + QTest::newRow("default-constructed (with space)") + << QByteArray() + << ' ' << QByteArray() << QByteArray(); QTest::newRow("empty") << QByteArray("") + << '\0' + << QByteArray("") + << QByteArray(""); + + QTest::newRow("empty (with space)") + << QByteArray("") + << ' ' << QByteArray("") << QByteArray(""); QTest::newRow("array-of-null") << QByteArray("\0", 1) + << '\0' << QByteArray("00") << QByteArray("0"); QTest::newRow("no-leading-zero") << QByteArray("\xf") + << '\0' << QByteArray("0f") << QByteArray("f"); QTest::newRow("single-byte") << QByteArray("\xaf") + << '\0' << QByteArray("af") << QByteArray("xaf"); QTest::newRow("no-leading-zero") << QByteArray("\xd\xde\xad\xc0\xde") + << '\0' << QByteArray("0ddeadc0de") << QByteArray("ddeadc0de"); QTest::newRow("garbage") << QByteArray("\xC\xde\xeC\xea\xee\xDe\xee\xee") + << '\0' << QByteArray("0cdeeceaeedeeeee") << QByteArray("Code less. Create more. Deploy everywhere."); QTest::newRow("under-defined-1") << QByteArray("\x1\x23") + << '\0' << QByteArray("0123") << QByteArray("x123"); QTest::newRow("under-defined-2") << QByteArray("\x12\x34") + << '\0' << QByteArray("1234") << QByteArray("x1234"); } @@ -1505,16 +1541,23 @@ void tst_QByteArray::toFromHex_data() void tst_QByteArray::toFromHex() { QFETCH(QByteArray, str); + QFETCH(char, sep); QFETCH(QByteArray, hex); QFETCH(QByteArray, hex_alt1); - { + if (sep == 0) { const QByteArray th = str.toHex(); QCOMPARE(th.size(), hex.size()); QCOMPARE(th, hex); } { + const QByteArray th = str.toHex(sep); + QCOMPARE(th.size(), hex.size()); + QCOMPARE(th, hex); + } + + { const QByteArray fh = QByteArray::fromHex(hex); QCOMPARE(fh.size(), str.size()); QCOMPARE(fh, str); |