CString TextCodecGtk::encode(const UChar* characters, size_t length, UnencodableHandling handling)
{
if (!length)
return "";
if (m_iconvEncoder == reinterpret_cast<GIConv>(-1))
createIConvEncoder();
if (m_iconvEncoder == reinterpret_cast<GIConv>(-1))
return CString();
size_t count;
GOwnPtr<GError> err;
GOwnPtr<char> buffer;
buffer.outPtr() = g_convert_with_iconv(reinterpret_cast<const char*>(characters), length * sizeof(UChar), m_iconvEncoder, 0, &count, &err.outPtr());
if (err) {
LOG_ERROR("GIConv conversion error, Code %d: \"%s\"", err->code, err->message);
return CString();
}
return CString(buffer.get(), count);
}
CString TextCodecGtk::encode(const UChar* characters, size_t length, UnencodableHandling handling)
{
if (!length)
return "";
if (!m_iconvEncoder)
createIConvEncoder();
if (!m_iconvEncoder) {
LOG_ERROR("Error creating IConv encoder even though encoding was in table.");
return CString();
}
gsize bytesRead = 0;
gsize bytesWritten = 0;
const gchar* input = reinterpret_cast<const char*>(characters);
gsize inputLength = length * sizeof(UChar);
gchar buffer[ConversionBufferSize];
Vector<char> result;
GOwnPtr<GError> error;
size_t size = 0;
do {
g_converter_convert(G_CONVERTER(m_iconvEncoder.get()),
input, inputLength,
buffer, sizeof(buffer),
G_CONVERTER_INPUT_AT_END,
&bytesRead, &bytesWritten,
&error.outPtr());
input += bytesRead;
inputLength -= bytesRead;
if (bytesWritten > 0) {
result.grow(size + bytesWritten);
memcpy(result.data() + size, buffer, bytesWritten);
size += bytesWritten;
}
if (error && g_error_matches(error.get(), G_IO_ERROR, G_IO_ERROR_INVALID_DATA)) {
UChar codePoint = reinterpret_cast<const UChar*>(input)[0];
UnencodableReplacementArray replacement;
int replacementLength = TextCodec::getUnencodableReplacement(codePoint, handling, replacement);
// Consume the invalid character.
input += sizeof(UChar);
inputLength -= sizeof(UChar);
// Append replacement string to result buffer.
result.grow(size + replacementLength);
memcpy(result.data() + size, replacement, replacementLength);
size += replacementLength;
error.clear();
}
} while (inputLength && !error.get());
if (error) {
LOG_ERROR("GIConv conversion error, Code %d: \"%s\"", error->code, error->message);
return CString();
}
return CString(result.data(), size);
}
