void CBC_EdifactEncoder::Encode(CBC_EncoderContext& context, int32_t& e) {
CFX_WideString buffer;
while (context.hasMoreCharacters()) {
FX_WCHAR c = context.getCurrentChar();
encodeChar(c, buffer, e);
if (e != BCExceptionNO) {
return;
}
context.m_pos++;
int32_t count = buffer.GetLength();
if (count >= 4) {
context.writeCodewords(encodeToCodewords(buffer, 0, e));
if (e != BCExceptionNO) {
return;
}
buffer.Delete(0, 4);
int32_t newMode = CBC_HighLevelEncoder::lookAheadTest(
context.m_msg, context.m_pos, getEncodingMode());
if (newMode != getEncodingMode()) {
context.signalEncoderChange(ASCII_ENCODATION);
break;
}
}
}
buffer += (FX_WCHAR)31;
handleEOD(context, buffer, e);
}
void CBC_EdifactEncoder::handleEOD(CBC_EncoderContext& context,
CFX_WideString buffer,
int32_t& e) {
int32_t count = buffer.GetLength();
if (count == 0) {
return;
}
if (count == 1) {
context.updateSymbolInfo(e);
if (e != BCExceptionNO) {
return;
}
int32_t available =
context.m_symbolInfo->m_dataCapacity - context.getCodewordCount();
int32_t remaining = context.getRemainingCharacters();
if (remaining == 0 && available <= 2) {
return;
}
}
if (count > 4) {
e = BCExceptionIllegalStateCountMustNotExceed4;
return;
}
int32_t restChars = count - 1;
CFX_WideString encoded = encodeToCodewords(buffer, 0, e);
if (e != BCExceptionNO) {
return;
}
FX_BOOL endOfSymbolReached = !context.hasMoreCharacters();
FX_BOOL restInAscii = endOfSymbolReached && restChars <= 2;
if (restChars <= 2) {
context.updateSymbolInfo(context.getCodewordCount() + restChars, e);
if (e != BCExceptionNO) {
return;
}
int32_t available =
context.m_symbolInfo->m_dataCapacity - context.getCodewordCount();
if (available >= 3) {
restInAscii = FALSE;
context.updateSymbolInfo(context.getCodewordCount() + encoded.GetLength(),
e);
if (e != BCExceptionNO) {
return;
}
}
}
if (restInAscii) {
context.resetSymbolInfo();
context.m_pos -= restChars;
} else {
context.writeCodewords(encoded);
}
context.signalEncoderChange(ASCII_ENCODATION);
}
void CBC_C40Encoder::writeNextTriplet(CBC_EncoderContext& context,
CFX_WideString& buffer) {
context.writeCodewords(encodeToCodewords(buffer, 0));
buffer.Delete(0, 3);
}
