bool CPDF_InterForm::ValidateFieldName(
CFX_WideString& csNewFieldName,
int iType,
const CPDF_FormField* pExcludedField,
const CPDF_FormControl* pExcludedControl) const {
if (csNewFieldName.IsEmpty())
return false;
int iPos = 0;
int iLength = csNewFieldName.GetLength();
CFX_WideString csSub;
while (true) {
while (iPos < iLength &&
(csNewFieldName[iPos] == L'.' || csNewFieldName[iPos] == L' ')) {
iPos++;
}
if (iPos < iLength && !csSub.IsEmpty())
csSub += L'.';
while (iPos < iLength && csNewFieldName[iPos] != L'.')
csSub += csNewFieldName[iPos++];
for (int i = csSub.GetLength() - 1; i > -1; i--) {
if (csSub[i] != L' ' && csSub[i] != L'.')
break;
csSub.SetAt(i, L'\0');
}
size_t dwCount = m_pFieldTree->m_Root.CountFields();
for (size_t m = 0; m < dwCount; ++m) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetFieldAtIndex(m);
if (!pField)
continue;
if (pField == pExcludedField) {
if (!pExcludedControl || pField->CountControls() < 2)
continue;
}
CFX_WideString csFullName = pField->GetFullName();
int iRet = CompareFieldName(csSub, csFullName);
if (iRet == 1) {
if (pField->GetFieldType() != iType)
return false;
} else if (iRet == 2 && csSub == csNewFieldName) {
if (csFullName[iPos] == L'.')
return false;
} else if (iRet == 3 && csSub == csNewFieldName) {
if (csNewFieldName[csFullName.GetLength()] == L'.')
return false;
}
}
if (iPos >= iLength)
break;
}
if (csSub.IsEmpty())
return false;
csNewFieldName = csSub;
return true;
}
void CBC_Base256Encoder::Encode(CBC_EncoderContext& context, int32_t& e) {
CFX_WideString buffer;
buffer += (FX_WCHAR)'\0';
while (context.hasMoreCharacters()) {
FX_WCHAR c = context.getCurrentChar();
buffer += c;
context.m_pos++;
int32_t newMode = CBC_HighLevelEncoder::lookAheadTest(
context.m_msg, context.m_pos, getEncodingMode());
if (newMode != getEncodingMode()) {
context.signalEncoderChange(newMode);
break;
}
}
int32_t dataCount = buffer.GetLength() - 1;
FX_CHAR buf[128];
FXSYS_itoa(dataCount, buf, 10);
buffer.SetAt(0, FX_WCHAR(*buf) - '0');
int32_t lengthFieldSize = 1;
int32_t currentSize =
context.getCodewordCount() + dataCount + lengthFieldSize;
context.updateSymbolInfo(currentSize, e);
if (e != BCExceptionNO) {
return;
}
FX_BOOL mustPad = (context.m_symbolInfo->m_dataCapacity - currentSize) > 0;
if (context.hasMoreCharacters() || mustPad) {
if (dataCount <= 249) {
buffer.SetAt(0, (FX_WCHAR)dataCount);
} else if (dataCount > 249 && dataCount <= 1555) {
buffer.SetAt(0, (FX_WCHAR)((dataCount / 250) + 249));
buffer.Insert(1, (FX_WCHAR)(dataCount % 250));
} else {
e = BCExceptionIllegalStateMessageLengthInvalid;
return;
}
}
for (int32_t i = 0, c = buffer.GetLength(); i < c; i++) {
context.writeCodeword(
randomize255State(buffer.GetAt(i), context.getCodewordCount() + 1));
}
}
CFX_WideString CBC_ErrorCorrection::encodeECC200(CFX_WideString codewords,
CBC_SymbolInfo* symbolInfo,
int32_t& e) {
if (codewords.GetLength() != symbolInfo->m_dataCapacity) {
e = BCExceptionIllegalArgument;
return (FX_WCHAR*)"";
}
CFX_WideString sb;
sb += codewords;
int32_t blockCount = symbolInfo->getInterleavedBlockCount();
if (blockCount == 1) {
CFX_WideString ecc =
createECCBlock(codewords, symbolInfo->m_errorCodewords, e);
BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)"");
sb += ecc;
} else {
CFX_Int32Array dataSizes;
dataSizes.SetSize(blockCount);
CFX_Int32Array errorSizes;
errorSizes.SetSize(blockCount);
CFX_Int32Array startPos;
startPos.SetSize(blockCount);
for (int32_t i = 0; i < blockCount; i++) {
dataSizes[i] = symbolInfo->getDataLengthForInterleavedBlock(i + 1);
errorSizes[i] = symbolInfo->getErrorLengthForInterleavedBlock(i + 1);
startPos[i] = 0;
if (i > 0) {
startPos[i] = startPos[i - 1] + dataSizes[i];
}
}
for (int32_t block = 0; block < blockCount; block++) {
CFX_WideString temp;
for (int32_t d = block; d < symbolInfo->m_dataCapacity; d += blockCount) {
temp += (FX_WCHAR)codewords.GetAt(d);
}
CFX_WideString ecc = createECCBlock(temp, errorSizes[block], e);
BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)"");
int32_t pos = 0;
for (int32_t l = block; l < errorSizes[block] * blockCount;
l += blockCount) {
sb.SetAt(symbolInfo->m_dataCapacity + l, ecc.GetAt(pos++));
}
}
}
return sb;
}
FX_BOOL CPDF_InterForm::ValidateFieldName(
CFX_WideString& csNewFieldName,
int iType,
const CPDF_FormField* pExcludedField,
const CPDF_FormControl* pExcludedControl) {
if (csNewFieldName.IsEmpty()) {
return FALSE;
}
int iPos = 0;
int iLength = csNewFieldName.GetLength();
CFX_WideString csSub;
while (TRUE) {
while (iPos < iLength &&
(csNewFieldName[iPos] == L'.' || csNewFieldName[iPos] == L' ')) {
iPos++;
}
if (iPos < iLength && !csSub.IsEmpty()) {
csSub += L'.';
}
while (iPos < iLength && csNewFieldName[iPos] != L'.') {
csSub += csNewFieldName[iPos++];
}
for (int i = csSub.GetLength() - 1; i > -1; i--) {
if (csSub[i] == L' ' || csSub[i] == L'.') {
csSub.SetAt(i, L'\0');
} else {
break;
}
}
FX_DWORD dwCount = m_pFieldTree->m_Root.CountFields();
for (FX_DWORD m = 0; m < dwCount; m++) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(m);
if (pField == NULL) {
continue;
}
if (pField == pExcludedField) {
if (pExcludedControl != NULL) {
if (pField->CountControls() < 2) {
continue;
}
} else {
continue;
}
}
CFX_WideString csFullName = pField->GetFullName();
int iRet = CompareFieldName(csSub, csFullName);
if (iRet == 1) {
if (pField->GetFieldType() != iType) {
return FALSE;
}
} else if (iRet == 2 && csSub == csNewFieldName) {
if (csFullName[iPos] == L'.') {
return FALSE;
}
} else if (iRet == 3 && csSub == csNewFieldName) {
if (csNewFieldName[csFullName.GetLength()] == L'.') {
return FALSE;
}
}
}
if (iPos >= iLength) {
break;
}
}
if (csSub.IsEmpty()) {
return FALSE;
}
csNewFieldName = csSub;
return TRUE;
}
