byteArrayOop HCodeBuffer::bytes() {
BlockScavenge bs;
align();
Klass* klass = Universe::byteArrayKlassObj()->klass_part();
byteArrayOop result = byteArrayOop(klass->allocateObjectSize(byteLength()));
for (int index = 0; index < byteLength(); index++)
result->byte_at_put(index + 1, (unsigned char) _bytes->at(index));
return result;
}
char *genStr(char *filename, int len) {
int fh;
unsigned char *data;
if ((fh = open(filename, O_RDONLY)) == -1) FILE_ERR(filename, "open");
struct stat finfo;
fstat(fh, &finfo);
if ((data = mmap(0, finfo.st_size, PROT_READ, MAP_SHARED, fh, 0))
== MAP_FAILED) FILE_ERR(filename, "mmap");
if (close(fh) == -1) FILE_ERR(filename, "close");
int dataIdx = 0, alphabetSize = 1;
for (; data[dataIdx]; dataIdx += byteLength(data[dataIdx]), ++alphabetSize);
++dataIdx; // we're on the null byte, want to be where data actually starts
if (alphabetSize*alphabetSize*(8+4*alphabetSize) != finfo.st_size - dataIdx) {
return "!!! CORRUPT DATA FILE !!!";
}
char *str = malloc((len+1) * 4*sizeof *str);
int a = alphabetSize - 1, b = alphabetSize - 1;
int strpos = 0;
for (int i = 0; i < len; ++i) {
unsigned char *dataPtr = DATA(a, b);
unsigned long long n = longRand(getLong(dataPtr));
dataPtr += 8;
int nextCharPos = 0;
for (; nextCharPos < alphabetSize; ++nextCharPos) {
unsigned int m = getInt(dataPtr);
if (m > n) break;
n -= m;
dataPtr += 4;
}
a = b;
b = nextCharPos;
int alphabetIdx = 0;
for (; nextCharPos; --nextCharPos) {
alphabetIdx += byteLength(ALPHABET[alphabetIdx]);
}
int nextCharLen = byteLength(ALPHABET[alphabetIdx]);
for (int i = nextCharLen; i >= 0; --i) {
str[strpos + i] = ALPHABET[alphabetIdx + i];
}
strpos += nextCharLen;
}
str[strpos] = '\0';
//for (int i = 0; i < len*2; ++i) printf("str[%d]: %c\n", i, str[i]);
if (munmap(data, finfo.st_size) == -1) FILE_ERR(filename, "munmap");
return str;
}
void ArrayBufferView::setImpl(ArrayBufferView* array, unsigned byteOffset, ExceptionCode& ec)
{
if (byteOffset > byteLength() ||
byteOffset + array->byteLength() > byteLength() ||
byteOffset + array->byteLength() < byteOffset) {
// Out of range offset or overflow
ec = INDEX_SIZE_ERR;
return;
}
char* base = static_cast<char*>(baseAddress());
memmove(base + byteOffset, array->baseAddress(), array->byteLength());
}
bool SymbolCell::operator==(const SymbolCell &other) const
{
if (isGlobalConstant() && other.isGlobalConstant())
{
// Constant folding guarantees this works
return this == &other;
}
if (byteLength() != other.byteLength())
{
return false;
}
if (dataIsInline())
{
auto thisInlineSymbol = static_cast<const InlineSymbolCell*>(this);
auto otherInlineSymbol = static_cast<const InlineSymbolCell*>(&other);
return memcmp(
thisInlineSymbol->inlineData(),
otherInlineSymbol->inlineData(),
thisInlineSymbol->inlineByteLength()) == 0;
}
else
{
auto thisHeapSymbol = static_cast<const HeapSymbolCell*>(this);
auto thisByteArray = thisHeapSymbol->heapByteArray();
auto otherByteArray = static_cast<const HeapSymbolCell*>(&other)->heapByteArray();
return thisByteArray->isEqual(otherByteArray, thisHeapSymbol->heapByteLength());
}
}
bool
TCPSocketParent::RecvData(const SendableData& aData,
const uint32_t& aTrackingNumber)
{
ErrorResult rv;
switch (aData.type()) {
case SendableData::TArrayOfuint8_t: {
AutoSafeJSContext autoCx;
JS::Rooted<JS::Value> val(autoCx);
const nsTArray<uint8_t>& buffer = aData.get_ArrayOfuint8_t();
bool ok = IPC::DeserializeArrayBuffer(autoCx, buffer, &val);
NS_ENSURE_TRUE(ok, true);
RootedTypedArray<ArrayBuffer> data(autoCx);
data.Init(&val.toObject());
Optional<uint32_t> byteLength(buffer.Length());
mSocket->SendWithTrackingNumber(autoCx, data, 0, byteLength, aTrackingNumber, rv);
break;
}
case SendableData::TnsCString: {
const nsCString& strData = aData.get_nsCString();
mSocket->SendWithTrackingNumber(strData, aTrackingNumber, rv);
break;
}
default:
MOZ_CRASH("unexpected SendableData type");
}
NS_ENSURE_FALSE(rv.Failed(), true);
return true;
}
BytevectorCell* StringCell::toUtf8Bytevector(World &world, SliceIndexType start, SliceIndexType end)
{
CharRange range = charRange(start, end);
if (range.isNull())
{
return nullptr;
}
ByteLengthType newLength = range.endPointer - range.startPointer;
SharedByteArray *byteArray;
if ((newLength == byteLength()) && !dataIsInline())
{
// Reuse our existing byte array
byteArray = static_cast<HeapStringCell*>(this)->heapByteArray()->ref();
}
else
{
// Create a new byte array and initialize it
byteArray = SharedByteArray::createInstance(newLength);
memcpy(byteArray->data(), range.startPointer, newLength);
}
return BytevectorCell::withByteArray(world, byteArray, newLength);
}
v8::Handle<v8::Object> DOMArrayBuffer::wrap(v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
// It's possible that no one except for the new wrapper owns this object at
// this moment, so we have to prevent GC to collect this object until the
// object gets associated with the wrapper.
RefPtr<DOMArrayBuffer> protect(this);
ASSERT(!DOMDataStore::containsWrapper(this, isolate));
v8::EscapableHandleScope handleScope(isolate);
v8::Handle<v8::Context> context = isolate->GetCurrentContext();
if (context == node::g_context) {
context = nodeToDOMContext(context);
}
v8::Context::Scope context_scope(context);
const WrapperTypeInfo* wrapperTypeInfo = this->wrapperTypeInfo();
v8::Local<v8::Object> wrapper = v8::ArrayBuffer::New(isolate, data(), byteLength());
// Only when we create a new wrapper, let V8 know that we allocated and
// associated a new memory block with the wrapper. Note that
// setDeallocationObserver implicitly calls
// DOMArrayBufferDeallocationObserver::blinkAllocatedMemory.
buffer()->setDeallocationObserver(DOMArrayBufferDeallocationObserver::instance());
// FIXME: escape
associateWithWrapper(isolate, wrapperTypeInfo, wrapper);
return handleScope.Escape(wrapper);
}
QString QHexSpinBox::textFromValue (int value) const
{
QString str = QString("%1").arg(QSpinBox::textFromValue(value), byteLength() * 2, QChar('0'));
if (upperCase())
str = str.toUpper();
return str;
}
int StringCell::compare(const StringCell *other, UnicodeChar (*converter)(UnicodeChar)) const
{
const std::uint8_t *ourScanPtr = const_cast<StringCell*>(this)->utf8Data();
const std::uint8_t *ourEndPtr = &constUtf8Data()[byteLength()];
const std::uint8_t *theirScanPtr = const_cast<StringCell*>(other)->utf8Data();
const std::uint8_t *theirEndPtr = &other->constUtf8Data()[other->byteLength()];
while(true)
{
int ourEnd = ourScanPtr == ourEndPtr;
int theirEnd = theirScanPtr == theirEndPtr;
if (ourEnd || theirEnd)
{
// One of the strings ended
return theirEnd - ourEnd;
}
const UnicodeChar ourChar = utf8::decodeChar(&ourScanPtr);
const UnicodeChar theirChar = utf8::decodeChar(&theirScanPtr);
int charCompare = ourChar.compare(theirChar, converter);
if (charCompare != 0)
{
return charCompare;
}
}
return 0;
}
int StringCell::compare(const StringCell *other) const
{
ByteLengthType compareBytes = std::min(byteLength(), other->byteLength());
// Bytewise comparisons in UTF-8 sort Unicode code points correctly
int result = memcmp(constUtf8Data(), other->constUtf8Data(), compareBytes);
if (result != 0)
{
return result;
}
else
{
return byteLength() - other->byteLength();
}
}
bool StringCell::operator==(const StringCell &other) const
{
if (byteLength() != other.byteLength())
{
return false;
}
if (dataIsInline())
{
auto thisInlineString = static_cast<const InlineStringCell*>(this);
auto otherInlineString = static_cast<const InlineStringCell*>(&other);
return memcmp(
thisInlineString->inlineData(),
otherInlineString->inlineData(),
thisInlineString->inlineByteLength()) == 0;
}
else
{
auto thisHeapString = static_cast<const HeapStringCell*>(this);
auto thisByteArray = thisHeapString->heapByteArray();
auto otherByteArray = static_cast<const HeapStringCell*>(&other)->heapByteArray();
return thisByteArray->isEqual(otherByteArray, thisHeapString->heapByteLength());
}
}
StringCell* StringCell::copy(alloc::Heap &heap)
{
void *cellPlacement = heap.allocate();
if (dataIsInline())
{
auto inlineCopy = new (cellPlacement) InlineStringCell(byteLength(), charLength());
memcpy(inlineCopy->utf8Data(), utf8Data(), byteLength());
return inlineCopy;
}
else
{
auto heapThis = static_cast<HeapStringCell*>(this);
return new (cellPlacement) HeapStringCell(heapThis->heapByteArray()->ref(), byteLength(), charLength());
}
}
const std::uint8_t* StringCell::charPointer(CharLengthType charOffset, const std::uint8_t *startFrom, ByteLengthType startOffset)
{
// Is the rest of the string ASCII?
// We can determine this by verifying the number remaining bytes in the string are equal to the number of remaining
// characters.
const auto bytesLeft = &utf8Data()[byteLength()] - startFrom;
const auto charsLeft = charLength() - startOffset;
if (bytesLeft == charsLeft)
{
return startFrom + (charOffset - startOffset);
}
const std::uint8_t *scanPtr;
// Should we do a forward scan or backwards scan?
// Prefer forwards slightly as it probably plays better with hardware memory prefetch
if ((charOffset - startOffset) > (charsLeft / 2))
{
scanPtr = &utf8Data()[byteLength()];
auto endOffset = charLength();
while(endOffset > charOffset)
{
if (!utf8::isContinuationByte(*(--scanPtr)))
{
endOffset--;
}
}
}
else
{
scanPtr = startFrom;
while(startOffset < charOffset)
{
if (!utf8::isContinuationByte(*(++scanPtr)))
{
startOffset++;
}
}
}
return scanPtr;
}
JSArrayBufferView* DataView::wrap(ExecState* exec, JSGlobalObject* globalObject)
{
#if 0
return JSDataView::create(
exec, globalObject->typedArrayStructure(TypeDataView), buffer(), byteOffset(),
byteLength());
#else
return 0;
#endif
}
std::size_t StringCell::byteCapacity() const
{
if (dataIsInline())
{
return inlineDataSize();
}
else
{
return static_cast<const HeapStringCell*>(this)->heapByteArray()->capacity(byteLength());
}
}
//----------
void Skeleton::newFrameArrived(astra::frame & frame) {
auto pointFrame = frame.get<astra::pointframe>();
if (pointFrame.is_valid()) {
this->pointFrameLock.lock();
{
this->pointFrame.recreate(pointFrame.resolutionX(), pointFrame.resolutionY());
memcpy(this->pointFrame.data(), pointFrame.data(), pointFrame.byteLength());
this->pointFrameNew = true;
}
this->pointFrameLock.unlock();
}
}
const UT_UTF8String & UT_UTF8String::lowerCase ()
{
if(!byteLength())
return *this;
UT_UTF8Stringbuf * n = pimpl->lowerCase ();
if(n)
{
delete pimpl;
pimpl = n;
}
return *this;
}
bool
TCPSocketParent::RecvData(const SendableData& aData,
const uint32_t& aTrackingNumber)
{
ErrorResult rv;
if (mFilter) {
mozilla::net::NetAddr addr; // dummy value
bool allowed;
MOZ_ASSERT(aData.type() == SendableData::TArrayOfuint8_t,
"Unsupported data type for filtering");
const InfallibleTArray<uint8_t>& data(aData.get_ArrayOfuint8_t());
nsresult nsrv = mFilter->FilterPacket(&addr, data.Elements(),
data.Length(),
nsISocketFilter::SF_OUTGOING,
&allowed);
// Reject sending of unallowed data
if (NS_WARN_IF(NS_FAILED(nsrv)) || !allowed) {
TCPSOCKET_LOG(("%s: Dropping outgoing TCP packet", __FUNCTION__));
return false;
}
}
switch (aData.type()) {
case SendableData::TArrayOfuint8_t: {
AutoSafeJSContext autoCx;
JS::Rooted<JS::Value> val(autoCx);
const nsTArray<uint8_t>& buffer = aData.get_ArrayOfuint8_t();
bool ok = IPC::DeserializeArrayBuffer(autoCx, buffer, &val);
NS_ENSURE_TRUE(ok, true);
RootedTypedArray<ArrayBuffer> data(autoCx);
data.Init(&val.toObject());
Optional<uint32_t> byteLength(buffer.Length());
mSocket->SendWithTrackingNumber(autoCx, data, 0, byteLength, aTrackingNumber, rv);
break;
}
case SendableData::TnsCString: {
const nsCString& strData = aData.get_nsCString();
mSocket->SendWithTrackingNumber(strData, aTrackingNumber, rv);
break;
}
default:
MOZ_CRASH("unexpected SendableData type");
}
NS_ENSURE_SUCCESS(rv.StealNSResult(), true);
return true;
}
void typeStr(WINDOW *win, char *str) {
mvwprintw(win, 1, 1, str);
wrefresh(win);
int pos = 0;
uchar input[4];
while (1) {
input[0] = getch();
int inputBytes = byteLength(input[0]);
int i = 1;
for (uchar *p = input + 1; i < inputBytes; ++i) {
*p = getch();
}
int fail = 0;
if (byteLength(*str) == inputBytes) {
for (i = 0; i < inputBytes; ++i) {
if ((uchar)str[i] != input[i]) {
fail = 1;
break;
}
}
} else fail = 1;
if (fail) wattron(win, COLOR_PAIR(FAIL));
mvwprintw(win, 2, pos+1, "%.*s", inputBytes, input);
wrefresh(win);
wattroff(win, COLOR_PAIR(FAIL));
if (!fail) {
++pos;
str += inputBytes;
}
if (input[0] == '\x03') break;
}
}
StringCell *StringCell::toConvertedString(World &world, UnicodeChar (*converter)(UnicodeChar))
{
const std::uint8_t *scanPtr = utf8Data();
const std::uint8_t *endPtr = &constUtf8Data()[byteLength()];
StringCellBuilder builder(charLength());
while(scanPtr != endPtr)
{
const UnicodeChar originalChar = utf8::decodeChar(&scanPtr);
const UnicodeChar convertedChar = (*converter)(originalChar);
builder << convertedChar;
}
return builder.result(world);
}
v8::Handle<v8::Object> DOMArrayBuffer::wrap(v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
// It's possible that no one except for the new wrapper owns this object at
// this moment, so we have to prevent GC to collect this object until the
// object gets associated with the wrapper.
RefPtr<DOMArrayBuffer> protect(this);
ASSERT(!DOMDataStore::containsWrapperNonTemplate(this, isolate));
const WrapperTypeInfo* wrapperTypeInfo = this->wrapperTypeInfo();
v8::Handle<v8::Object> wrapper = v8::ArrayBuffer::New(isolate, data(), byteLength());
// Only when we create a new wrapper, let V8 know that we allocated and
// associated a new memory block with the wrapper. Note that
// setDeallocationObserver implicitly calls
// DOMArrayBufferDeallocationObserver::blinkAllocatedMemory.
buffer()->setDeallocationObserver(DOMArrayBufferDeallocationObserver::instance());
return associateWithWrapper(wrapperTypeInfo, wrapper, isolate);
}
void UT_UTF8Stringbuf::decodeURL()
{
if(!m_psz || !*m_psz)
return;
char * buff = (char*)g_try_malloc(byteLength() + 1);
UT_return_if_fail( buff );
buff[0] = 0;
UTF8Iterator J(this);
const char * ptr = J.current();
UT_UCS4Char c = charCode(J.current());
char utf8cache[7]; utf8cache[6] = 0;
UT_uint32 iCachePos = 0;
UT_uint32 iCacheNeeded = 0;
while (c != 0)
{
if(c == '%')
{
J.advance();
UT_UCS4Char b1 = charCode(J.current());
J.advance();
UT_UCS4Char b2 = charCode(J.current());
J.advance();
if(isalnum(b1) && isalnum(b2))
{
b1 = s_charCode_to_hexval(b1);
b2 = s_charCode_to_hexval(b2);
UT_UCS4Char code = ((b1 << 4)& 0xf0) | (b2 & 0x0f);
if(iCacheNeeded == 0)
{
// we start new utf8 sequence in the cache
if ((code & 0x80) == 0) iCacheNeeded = 1;
else if ((code & 0xe0) == 0xc0) iCacheNeeded = 2;
else if ((code & 0xf0) == 0xe0) iCacheNeeded = 3;
else if ((code & 0xf8) == 0xf0) iCacheNeeded = 4;
else if ((code & 0xfc) == 0xf8) iCacheNeeded = 5;
else if ((code & 0xfe) == 0xfc) iCacheNeeded = 6;
utf8cache[0] = (char) code;
utf8cache[iCacheNeeded] = 0; // make sure the sequence will be terminated
iCachePos++;
}
else
{
// append to our cache
utf8cache[iCachePos++] = (char) code;
}
if(iCacheNeeded == 0 && (code >= 0x7f && code <= 0xff))
{
// the present character is not a valid start of utf8 sequence --
// this is almost certainly a character from the extended ASCII set
// which was encoded directly according to the RFC 1738 scheme, we
// just append it
size_t iLenBuff = strlen(buff);
size_t iLenLeft = byteLength() - iLenBuff;
char * p = buff + iLenBuff;
UT_Unicode::UCS4_to_UTF8(p, iLenLeft, code);
// we need to null-terminate
*p = 0;
}
if(iCacheNeeded && iCacheNeeded <= iCachePos)
{
UT_ASSERT_HARMLESS( iCacheNeeded == iCachePos );
// append the cache to our buffer
UT_uint32 iLenBuff = strlen(buff);
char * p = buff + iLenBuff;
strcat(p, utf8cache);
iCacheNeeded = iCachePos = 0;
}
}
else
{
// this should not happen in encoded url and so we will ignore this token;
// if we are in the middle of utf8 sequence; we will reset it
iCacheNeeded = iCachePos = 0;
}
}
else
{
J.advance(); // advance here, for the sake of the else clause below
if(iCacheNeeded > iCachePos)
{
// we are processing a utf sequence, so just append this byte to our cache
utf8cache[iCachePos++] = (char) c;
}
else
{
const char * p = J.current();
UT_uint32 iLen = p ? p - ptr : strlen(ptr);
strncat(buff, ptr, iLen);
}
}
ptr = J.current();
c = charCode(J.current());
}
assign(buff);
g_free(buff);
}
JSArrayBufferView* DataView::wrap(ExecState* exec, JSGlobalObject* globalObject)
{
return JSDataView::create(
exec, globalObject->typedArrayStructure(TypeDataView), possiblySharedBuffer(), byteOffset(),
byteLength());
}
RefPtr<ArrayBuffer> ArrayBuffer::slice(int begin) const
{
return sliceImpl(clampIndex(begin), byteLength());
}
Ref<IDBKey> IDBKey::createBinary(JSC::JSArrayBufferView& arrayBufferView)
{
auto bufferView = arrayBufferView.possiblySharedImpl();
return adoptRef(*new IDBKey(ThreadSafeDataBuffer::copyData(bufferView->data(), bufferView->byteLength())));
}
bool StringCell::replaceBytes(const CharRange &range, const std::uint8_t *pattern, unsigned int patternBytes, unsigned int count)
{
assert(!isGlobalConstant());
const unsigned int requiredBytes = patternBytes * count;
const unsigned int replacedBytes = range.byteCount();
// If we have exclusive access to our data and we're not resizing the string we can use the fast path
if ((dataIsInline() || static_cast<HeapStringCell*>(this)->heapByteArray()->isExclusive()) &&
(requiredBytes == replacedBytes))
{
std::uint8_t *copyDest = const_cast<std::uint8_t*>(range.startPointer);
while(count--)
{
memmove(copyDest, pattern, patternBytes);
copyDest += patternBytes;
}
}
else
{
// Create a new string from pieces of the old string
const std::uint64_t newByteLength = byteLength() + requiredBytes - replacedBytes;
const auto newCharLength = charLength();
if (newByteLength > maximumByteLength())
{
return false;
}
const ByteLengthType initialBytes = range.startPointer - utf8Data();
const ByteLengthType finalBytes = newByteLength - initialBytes - requiredBytes;
const bool wasInline = dataIsInline();
const bool nowInline = newByteLength <= inlineDataSize();
SharedByteArray *oldByteArray = nullptr;
SharedByteArray *newByteArray = nullptr;
// Does this require a COW due to sharing our byte array?
const bool needsCow = (!wasInline && !nowInline) &&
!static_cast<HeapStringCell*>(this)->heapByteArray()->isExclusive();
// Determine if we exceeded our current capacity or if we're using less than half of our allocated space
// This will trigger a reallocation of our heap space
const auto currentCapacity = byteCapacity();
const bool needHeapRealloc = (newByteLength > currentCapacity) ||
((newByteLength < (currentCapacity / 2)) && !nowInline) ||
needsCow;
std::uint8_t* destString;
const std::uint8_t* copySource;
if (!wasInline && nowInline)
{
// We're converting to an inline string
destString = static_cast<InlineStringCell*>(this)->inlineData();
copySource = pattern;
// Store our old byte array so we can unref it later
// The code below will overwrite it with our new inline string
oldByteArray = static_cast<HeapStringCell*>(this)->heapByteArray();
// Fill the initial chunk of the string
memcpy(destString, utf8Data(), initialBytes);
}
else if (needHeapRealloc)
{
size_t byteArraySize = newByteLength;
newByteArray = SharedByteArray::createInstance(byteArraySize);
destString = newByteArray->data();
copySource = pattern;
// Fill the initial chunk of the string
memcpy(destString, utf8Data(), initialBytes);
if (!wasInline)
{
// Store our old byte array so we can unref it later
oldByteArray = static_cast<HeapStringCell*>(this)->heapByteArray();
}
}
else
{
destString = utf8Data();
// The initial chunk is already correct
// Are our pattern bytes in the range we're about to overwrite?
// We only need to check the end of the pattern because the pattern should only be completely inside our
// completely outside our string
if (((pattern + patternBytes) > (utf8Data() + initialBytes)) &&
((pattern + patternBytes) <= (utf8Data() + byteLength())))
{
// Create a temporary copy to work with
copySource = new std::uint8_t[patternBytes];
memcpy(const_cast<std::uint8_t*>(copySource), pattern, patternBytes);
}
else
{
copySource = pattern;
}
}
// Move the unchanged chunk at the end
// We need to do this now because if the pattern bytes are longer than the byte we're replacing then we might
// overwrite the beginning of the unchanged chunk
memmove(destString + initialBytes + requiredBytes, range.startPointer + replacedBytes, finalBytes);
std::uint8_t* copyDest = destString + initialBytes;
while(count--)
{
memcpy(copyDest, copySource, patternBytes);
copyDest += patternBytes;
}
if (copySource != pattern)
{
delete[] copySource;
}
// Update ourselves with our new string
setLengths(newByteLength, newCharLength);
if (newByteArray)
{
static_cast<HeapStringCell*>(this)->setHeapByteArray(newByteArray);
}
if (oldByteArray != nullptr)
{
// We can unref this now
oldByteArray->unref();
}
}
return true;
}
