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);
}
int32_t CBC_C40Encoder::backtrackOneCharacter(CBC_EncoderContext& context,
CFX_WideString& buffer,
CFX_WideString& removed,
int32_t lastCharSize,
int32_t& e) {
int32_t count = buffer.GetLength();
buffer.Delete(count - lastCharSize, count);
context.m_pos--;
FX_WCHAR c = context.getCurrentChar();
lastCharSize = encodeChar(c, removed, e);
BC_EXCEPTION_CHECK_ReturnValue(e, -1);
context.resetSymbolInfo();
return lastCharSize;
}