static String parseNameRecord (MemoryInputStream& input, const NameRecord& nameRecord,
const int64 directoryOffset, const int64 offsetOfStringStorage)
{
String result;
const int64 oldPos = input.getPosition();
input.setPosition (directoryOffset + offsetOfStringStorage + ByteOrder::swapIfLittleEndian (nameRecord.offsetFromStorageArea));
const int stringLength = (int) ByteOrder::swapIfLittleEndian (nameRecord.stringLength);
const int platformID = ByteOrder::swapIfLittleEndian (nameRecord.platformID);
if (platformID == 0 || platformID == 3)
{
const int numChars = stringLength / 2 + 1;
HeapBlock<uint16> buffer;
buffer.calloc (numChars + 1);
input.read (buffer, stringLength);
for (int i = 0; i < numChars; ++i)
buffer[i] = ByteOrder::swapIfLittleEndian (buffer[i]);
static_jassert (sizeof (CharPointer_UTF16::CharType) == sizeof (uint16));
result = CharPointer_UTF16 ((CharPointer_UTF16::CharType*) buffer.getData());
}
else
{
HeapBlock<char> buffer;
buffer.calloc (stringLength + 1);
input.read (buffer, stringLength);
result = CharPointer_UTF8 (buffer.getData());
}
input.setPosition (oldPos);
return result;
}
static String getTypefaceNameFromFile (MemoryInputStream& input)
{
OffsetTable offsetTable = { 0 };
input.read (&offsetTable, sizeof (offsetTable));
for (int i = 0; i < (int) ByteOrder::swapIfLittleEndian (offsetTable.numTables); ++i)
{
TableDirectory tableDirectory;
zerostruct (tableDirectory);
input.read (&tableDirectory, sizeof (tableDirectory));
if (String (tableDirectory.tag, sizeof (tableDirectory.tag)).equalsIgnoreCase ("name"))
return parseNameTable (input, ByteOrder::swapIfLittleEndian (tableDirectory.offset));
}
return {};
}
static String parseNameTable (MemoryInputStream& input, int64 directoryOffset)
{
input.setPosition (directoryOffset);
NamingTable namingTable = { 0 };
input.read (&namingTable, sizeof (namingTable));
for (int i = 0; i < (int) ByteOrder::swapIfLittleEndian (namingTable.numberOfNameRecords); ++i)
{
NameRecord nameRecord = { 0 };
input.read (&nameRecord, sizeof (nameRecord));
if (ByteOrder::swapIfLittleEndian (nameRecord.nameID) == 4)
{
const String result (parseNameRecord (input, nameRecord, directoryOffset,
ByteOrder::swapIfLittleEndian (namingTable.offsetStartOfStringStorage)));
if (result.isNotEmpty())
return result;
}
}
return String();
}
