static bool
DumpUTFBufferToStream (ConversionResult (*ConvertFunction) (const SourceDataType**,
const SourceDataType*,
UTF8**,
UTF8*,
ConversionFlags),
const DataExtractor& data,
Stream& stream,
char prefix_token,
char quote,
uint32_t sourceSize,
bool escapeNonPrintables)
{
if (prefix_token != 0)
stream.Printf("%c",prefix_token);
if (quote != 0)
stream.Printf("%c",quote);
if (data.GetByteSize() && data.GetDataStart() && data.GetDataEnd())
{
const int bufferSPSize = data.GetByteSize();
if (sourceSize == 0)
{
const int origin_encoding = 8*sizeof(SourceDataType);
sourceSize = bufferSPSize/(origin_encoding / 4);
}
const SourceDataType *data_ptr = (const SourceDataType*)data.GetDataStart();
const SourceDataType *data_end_ptr = data_ptr + sourceSize;
while (data_ptr < data_end_ptr)
{
if (!*data_ptr)
{
data_end_ptr = data_ptr;
break;
}
data_ptr++;
}
data_ptr = (const SourceDataType*)data.GetDataStart();
lldb::DataBufferSP utf8_data_buffer_sp;
UTF8* utf8_data_ptr = nullptr;
UTF8* utf8_data_end_ptr = nullptr;
if (ConvertFunction)
{
utf8_data_buffer_sp.reset(new DataBufferHeap(4*bufferSPSize,0));
utf8_data_ptr = (UTF8*)utf8_data_buffer_sp->GetBytes();
utf8_data_end_ptr = utf8_data_ptr + utf8_data_buffer_sp->GetByteSize();
ConvertFunction ( &data_ptr, data_end_ptr, &utf8_data_ptr, utf8_data_end_ptr, lenientConversion );
utf8_data_ptr = (UTF8*)utf8_data_buffer_sp->GetBytes(); // needed because the ConvertFunction will change the value of the data_ptr
}
else
{
// just copy the pointers - the cast is necessary to make the compiler happy
// but this should only happen if we are reading UTF8 data
utf8_data_ptr = (UTF8*)data_ptr;
utf8_data_end_ptr = (UTF8*)data_end_ptr;
}
// since we tend to accept partial data (and even partially malformed data)
// we might end up with no NULL terminator before the end_ptr
// hence we need to take a slower route and ensure we stay within boundaries
for (; utf8_data_ptr < utf8_data_end_ptr;)
{
if (!*utf8_data_ptr)
break;
if (escapeNonPrintables)
{
uint8_t* next_data = nullptr;
auto printable = GetPrintable(StringElementType::UTF8, utf8_data_ptr, utf8_data_end_ptr, next_data);
auto printable_bytes = printable.GetBytes();
auto printable_size = printable.GetSize();
if (!printable_bytes || !next_data)
{
// GetPrintable() failed on us - print one byte in a desperate resync attempt
printable_bytes = utf8_data_ptr;
printable_size = 1;
next_data = utf8_data_ptr+1;
}
for (unsigned c = 0; c < printable_size; c++)
stream.Printf("%c", *(printable_bytes+c));
utf8_data_ptr = (uint8_t*)next_data;
}
else
{
stream.Printf("%c",*utf8_data_ptr);
utf8_data_ptr++;
}
}
}
if (quote != 0)
stream.Printf("%c",quote);
return true;
}
static bool
DumpUTFBufferToStream (ConversionResult (*ConvertFunction) (const SourceDataType**,
const SourceDataType*,
UTF8**,
UTF8*,
ConversionFlags),
DataExtractor& data,
Stream& stream,
char prefix_token = '@',
char quote = '"',
uint32_t sourceSize = 0)
{
if (prefix_token != 0)
stream.Printf("%c",prefix_token);
if (quote != 0)
stream.Printf("%c",quote);
if (data.GetByteSize() && data.GetDataStart() && data.GetDataEnd())
{
const int bufferSPSize = data.GetByteSize();
if (sourceSize == 0)
{
const int origin_encoding = 8*sizeof(SourceDataType);
sourceSize = bufferSPSize/(origin_encoding / 4);
}
SourceDataType *data_ptr = (SourceDataType*)data.GetDataStart();
SourceDataType *data_end_ptr = data_ptr + sourceSize;
while (data_ptr < data_end_ptr)
{
if (!*data_ptr)
{
data_end_ptr = data_ptr;
break;
}
data_ptr++;
}
data_ptr = (SourceDataType*)data.GetDataStart();
lldb::DataBufferSP utf8_data_buffer_sp;
UTF8* utf8_data_ptr = nullptr;
UTF8* utf8_data_end_ptr = nullptr;
if (ConvertFunction)
{
utf8_data_buffer_sp.reset(new DataBufferHeap(4*bufferSPSize,0));
utf8_data_ptr = (UTF8*)utf8_data_buffer_sp->GetBytes();
utf8_data_end_ptr = utf8_data_ptr + utf8_data_buffer_sp->GetByteSize();
ConvertFunction ( (const SourceDataType**)&data_ptr, data_end_ptr, &utf8_data_ptr, utf8_data_end_ptr, lenientConversion );
utf8_data_ptr = (UTF8*)utf8_data_buffer_sp->GetBytes(); // needed because the ConvertFunction will change the value of the data_ptr
}
else
{
// just copy the pointers - the cast is necessary to make the compiler happy
// but this should only happen if we are reading UTF8 data
utf8_data_ptr = (UTF8*)data_ptr;
utf8_data_end_ptr = (UTF8*)data_end_ptr;
}
// since we tend to accept partial data (and even partially malformed data)
// we might end up with no NULL terminator before the end_ptr
// hence we need to take a slower route and ensure we stay within boundaries
for (;utf8_data_ptr != utf8_data_end_ptr; utf8_data_ptr++)
{
if (!*utf8_data_ptr)
break;
stream.Printf("%c",*utf8_data_ptr);
}
}
if (quote != 0)
stream.Printf("%c",quote);
return true;
}
