public List <LocalizedString> LoadStrings(IReader reader)
{
var result = new List <LocalizedString>();
if (StringCount == 0)
{
return(result);
}
byte[] stringData = ReadLocaleData(reader);
using (var stringReader = new EndianReader(new MemoryStream(stringData), reader.Endianness))
{
reader.SeekTo(LocaleIndexTableLocation.AsOffset());
// Read each locale
for (int i = 0; i < StringCount; i++)
{
// Read the offset and stringID
StringID id;
int offset;
ReadLocalePointer(reader, out id, out offset);
if (offset >= stringReader.Length)
{
break; // Bad table - bail out so we don't end up in a huge memory-hogging loop
}
stringReader.SeekTo(offset);
string locale = stringReader.ReadUTF8();
result.Add(new LocalizedString(id, locale));
}
}
return(result);
}
public void SaveStrings(IStream stream, List <LocalizedString> locales)
{
var offsetData = new MemoryStream();
var stringData = new MemoryStream();
var offsetWriter = new EndianWriter(offsetData, Endian.BigEndian);
var stringWriter = new EndianWriter(stringData, Endian.BigEndian);
try
{
// Write the string and offset data to buffers
foreach (LocalizedString locale in locales)
{
WriteLocalePointer(offsetWriter, locale.Key, (int)stringWriter.Position);
stringWriter.WriteUTF8(locale.Value);
}
// Round the size of the string data up
var dataSize = (int)((stringData.Position + _sizeAlign - 1) & ~(_sizeAlign - 1));
stringData.SetLength(dataSize);
// Update the two locale data hashes if we need to
// (the hash arrays are set to null if the build doesn't need them)
if (IndexTableHash != null)
{
IndexTableHash = SHA1.Transform(offsetData.GetBuffer(), 0, (int)offsetData.Length);
}
if (StringDataHash != null)
{
StringDataHash = SHA1.Transform(stringData.GetBuffer(), 0, dataSize);
}
// Make sure there's free space for the offset table and then write it to the file
LocaleIndexTable.Resize((int)offsetData.Length, stream);
stream.SeekTo(LocaleIndexTableLocation.AsOffset());
stream.WriteBlock(offsetData.GetBuffer(), 0, (int)offsetData.Length);
// Encrypt the string data if necessary
byte[] strings = stringData.GetBuffer();
if (_encryptionKey != null)
{
strings = AES.Encrypt(strings, 0, dataSize, _encryptionKey.Key, _encryptionKey.IV);
}
// Make sure there's free space for the string data and then write it to the file
LocaleData.Resize(dataSize, stream);
stream.SeekTo(LocaleDataLocation.AsOffset());
stream.WriteBlock(strings, 0, dataSize);
// Update the string count and recalculate the language table offsets
StringCount = locales.Count;
}
finally
{
offsetWriter.Close();
stringWriter.Close();
}
}
public void SaveStrings(List <LocalizedString> locales, IStream stream)
{
if (LocaleData == null || LocaleIndexTable == null)
{
return;
}
using (var offsetData = new MemoryStream())
using (var stringData = new MemoryStream())
using (var offsetWriter = new EndianWriter(offsetData, stream.Endianness))
using (var stringWriter = new EndianWriter(stringData, stream.Endianness))
{
// Write the string and offset data to buffers
foreach (LocalizedString locale in locales)
{
WriteLocalePointer(offsetWriter, locale.Key, (int)stringWriter.Position);
stringWriter.WriteUTF8(locale.Value);
}
// Round the size of the string data up
var dataSize = (int)((stringData.Position + _sizeAlign - 1) & ~(_sizeAlign - 1));
stringData.SetLength(dataSize);
// Make sure there's free space for the offset table and then write it to the file
LocaleIndexTable.Resize((int)offsetData.Length, stream);
stream.SeekTo(LocaleIndexTableLocation.AsOffset());
stream.WriteBlock(offsetData.ToArray(), 0, (int)offsetData.Length);
byte[] strings = stringData.ToArray();
// Make sure there's free space for the string data and then write it to the file
LocaleData.Resize(dataSize, stream);
stream.SeekTo(LocaleDataLocation.AsOffset());
stream.WriteBlock(strings, 0, dataSize);
// Update the string count and recalculate the language table offsets
StringCount = locales.Count;
}
}