PDFObject* PDFObjectParser::ParseDictionary(IPDFParserExtender* inParserExtender)
{
PDFDictionary* aDictionary = new PDFDictionary();
bool dictionaryEndEncountered = false;
std::string token;
EStatusCode status = PDFHummus::eSuccess;
while(GetNextToken(token) && PDFHummus::eSuccess == status)
{
dictionaryEndEncountered = (scDoubleRightAngle == token);
if(dictionaryEndEncountered)
break;
ReturnTokenToBuffer(token);
// Parse Key
PDFObjectCastPtr<PDFName> aKey(ParseNewObject(inParserExtender));
if(!aKey)
{
status = PDFHummus::eFailure;
TRACE_LOG1("PDFObjectParser::ParseDictionary, failure to parse key for a dictionary. token = %s",token.c_str());
break;
}
// i'll consider duplicate keys as failure
if(aDictionary->Exists(aKey->GetValue()))
{
status = PDFHummus::eFailure;
TRACE_LOG1("PDFObjectParser::ParseDictionary, failure to parse key for a dictionary, key already exists. key = %s",aKey->GetValue().c_str());
break;
}
// Parse Value
RefCountPtr<PDFObject> aValue = ParseNewObject(inParserExtender);
if(!aValue)
{
status = PDFHummus::eFailure;
TRACE_LOG1("PDFObjectParser::ParseDictionary, failure to parse value for a dictionary. token = %s",token.c_str());
break;
}
// all well, add the two items to the dictionary
aDictionary->Insert(aKey.GetPtr(),aValue.GetPtr());
}
if(dictionaryEndEncountered && PDFHummus::eSuccess == status)
{
return aDictionary;
}
else
{
delete aDictionary;
TRACE_LOG1("PDFObjectParser::ParseDictionary, failure to parse dictionary, didn't find end of array or failure to parse dictionary member object. token = %s",token.c_str());
return NULL;
}
}
PDFObject* PDFObjectParser::ParseDictionary()
{
PDFDictionary* aDictionary = new PDFDictionary();
bool dictionaryEndEncountered = false;
std::string token;
EStatusCode status = PDFHummus::eSuccess;
while(GetNextToken(token) && PDFHummus::eSuccess == status)
{
dictionaryEndEncountered = (scDoubleRightAngle == token);
if(dictionaryEndEncountered)
break;
ReturnTokenToBuffer(token);
// Parse Key
PDFObjectCastPtr<PDFName> aKey(ParseNewObject());
if(!aKey)
{
status = PDFHummus::eFailure;
TRACE_LOG1("PDFObjectParser::ParseDictionary, failure to parse key for a dictionary. token = %s",token.substr(0, MAX_TRACE_SIZE - 200).c_str());
break;
}
// Parse Value
RefCountPtr<PDFObject> aValue = ParseNewObject();
if(!aValue)
{
status = PDFHummus::eFailure;
TRACE_LOG1("PDFObjectParser::ParseDictionary, failure to parse value for a dictionary. token = %s",token.substr(0, MAX_TRACE_SIZE - 200).c_str());
break;
}
// all good. i'm gonna be forgiving here and allow skipping duplicate keys. cause it happens
if(!aDictionary->Exists(aKey->GetValue()))
aDictionary->Insert(aKey.GetPtr(),aValue.GetPtr());
}
if(dictionaryEndEncountered && PDFHummus::eSuccess == status)
{
return aDictionary;
}
else
{
delete aDictionary;
TRACE_LOG1("PDFObjectParser::ParseDictionary, failure to parse dictionary, didn't find end of array or failure to parse dictionary member object. token = %s",token.substr(0, MAX_TRACE_SIZE - 200).c_str());
return NULL;
}
}
