catch std::exception and return NULL PVStructurePtr
This commit is contained in:
Marty Kraimer
@@ -322,149 +322,155 @@ public:
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virtual PVStructurePtr createRequest(
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string const & crequest)
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{
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string request = crequest;
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if (!request.empty()) removeBlanks(request);
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if (request.empty())
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{
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return pvDataCreate->createPVStructure(fieldCreate->createStructure());
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}
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size_t offsetRecord = request.find("record[");
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size_t offsetField = request.find("field(");
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size_t offsetPutField = request.find("putField(");
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size_t offsetGetField = request.find("getField(");
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if(offsetRecord==string::npos
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&& offsetField==string::npos
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&& offsetPutField==string::npos
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&& offsetGetField==string::npos)
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{
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request = "field(" + request + ")";
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offsetField = request.find("field(");
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}
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int numParan = 0;
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int numBrace = 0;
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int numBracket = 0;
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for(size_t i=0; i< request.length() ; ++i) {
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char chr = request[i];
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if(chr=='(') numParan++;
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if(chr==')') numParan--;
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if(chr=='{') numBrace++;
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if(chr=='}') numBrace--;
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if(chr=='[') numBracket++;
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if(chr==']') numBracket--;
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}
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if(numParan!=0) {
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ostringstream oss;
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oss << "mismatched () " << numParan;
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message = oss.str();
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return PVStructurePtr();
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}
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if(numBrace!=0) {
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ostringstream oss;
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oss << "mismatched {} " << numBrace;
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message = oss.str();
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return PVStructurePtr();
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}
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if(numBracket!=0) {
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ostringstream oss;
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oss << "mismatched [] " << numBracket;
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message = oss.str();
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return PVStructurePtr();
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}
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vector<Node> top;
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try {
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if(offsetRecord!=string::npos) {
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fullFieldName = "record";
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size_t openBracket = request.find('[', offsetRecord);
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size_t closeBracket = request.find(']', openBracket);
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if(closeBracket==string::npos) {
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message = request.substr(offsetRecord) +
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"record[ does not have matching ]";
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return PVStructurePtr();
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string request = crequest;
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if (!request.empty()) removeBlanks(request);
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if (request.empty())
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{
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return pvDataCreate->createPVStructure(fieldCreate->createStructure());
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}
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size_t offsetRecord = request.find("record[");
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size_t offsetField = request.find("field(");
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size_t offsetPutField = request.find("putField(");
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size_t offsetGetField = request.find("getField(");
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if(offsetRecord==string::npos
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&& offsetField==string::npos
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&& offsetPutField==string::npos
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&& offsetGetField==string::npos)
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{
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request = "field(" + request + ")";
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offsetField = request.find("field(");
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}
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int numParan = 0;
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int numBrace = 0;
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int numBracket = 0;
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for(size_t i=0; i< request.length() ; ++i) {
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char chr = request[i];
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if(chr=='(') numParan++;
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if(chr==')') numParan--;
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if(chr=='{') numBrace++;
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if(chr=='}') numBrace--;
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if(chr=='[') numBracket++;
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if(chr==']') numBracket--;
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}
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if(numParan!=0) {
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ostringstream oss;
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oss << "mismatched () " << numParan;
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message = oss.str();
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return PVStructurePtr();
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}
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if(numBrace!=0) {
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ostringstream oss;
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oss << "mismatched {} " << numBrace;
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message = oss.str();
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return PVStructurePtr();
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}
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if(numBracket!=0) {
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ostringstream oss;
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oss << "mismatched [] " << numBracket;
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message = oss.str();
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return PVStructurePtr();
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}
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vector<Node> top;
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try {
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if(offsetRecord!=string::npos) {
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fullFieldName = "record";
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size_t openBracket = request.find('[', offsetRecord);
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size_t closeBracket = request.find(']', openBracket);
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if(closeBracket==string::npos) {
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message = request.substr(offsetRecord) +
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"record[ does not have matching ]";
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return PVStructurePtr();
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}
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if(closeBracket-openBracket > 3) {
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Node node("record");
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Node optNode = createRequestOptions(
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request.substr(openBracket+1,closeBracket-openBracket-1));
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node.nodes.push_back(optNode);
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top.push_back(node);
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}
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}
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if(closeBracket-openBracket > 3) {
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Node node("record");
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Node optNode = createRequestOptions(
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request.substr(openBracket+1,closeBracket-openBracket-1));
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node.nodes.push_back(optNode);
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if(offsetField!=string::npos) {
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fullFieldName = "field";
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Node node("field");
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size_t openParan = request.find('(', offsetField);
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size_t closeParan = request.find(')', openParan);
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if(closeParan==string::npos) {
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message = request.substr(offsetField)
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+ " field( does not have matching )";
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return PVStructurePtr();
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}
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if(closeParan>openParan+1) {
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createSubNode(node,request.substr(openParan+1,closeParan-openParan-1));
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}
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top.push_back(node);
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}
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if(offsetGetField!=string::npos) {
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fullFieldName = "getField";
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Node node("getField");
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size_t openParan = request.find('(', offsetGetField);
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size_t closeParan = request.find(')', openParan);
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if(closeParan==string::npos) {
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message = request.substr(offsetField)
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+ " getField( does not have matching )";
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return PVStructurePtr();
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}
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if(closeParan>openParan+1) {
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createSubNode(node,request.substr(openParan+1,closeParan-openParan-1));
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}
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top.push_back(node);
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}
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if(offsetPutField!=string::npos) {
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fullFieldName = "putField";
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Node node("putField");
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size_t openParan = request.find('(', offsetPutField);
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size_t closeParan = request.find(')', openParan);
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if(closeParan==string::npos) {
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message = request.substr(offsetField)
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+ " putField( does not have matching )";
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return PVStructurePtr();
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}
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if(closeParan>openParan+1) {
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createSubNode(node,request.substr(openParan+1,closeParan-openParan-1));
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}
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top.push_back(node);
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}
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} catch (std::exception &e) {
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string xxx = e.what();
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message = "while creating Structure exception " + xxx;
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return PVStructurePtr();
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}
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if(offsetField!=string::npos) {
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fullFieldName = "field";
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Node node("field");
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size_t openParan = request.find('(', offsetField);
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size_t closeParan = request.find(')', openParan);
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if(closeParan==string::npos) {
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message = request.substr(offsetField)
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+ " field( does not have matching )";
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return PVStructurePtr();
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size_t num = top.size();
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StringArray names(num);
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FieldConstPtrArray fields(num);
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for(size_t i=0; i<num; ++i) {
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Node node = top[i];
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names[i] = node.name;
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vector<Node> subNode = node.nodes;
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if(subNode.empty()) {
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fields[i] = fieldCreate->createStructure();
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} else {
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fields[i] = createSubStructure(subNode);
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}
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if(closeParan>openParan+1) {
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createSubNode(node,request.substr(openParan+1,closeParan-openParan-1));
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}
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top.push_back(node);
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}
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if(offsetGetField!=string::npos) {
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fullFieldName = "getField";
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Node node("getField");
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size_t openParan = request.find('(', offsetGetField);
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size_t closeParan = request.find(')', openParan);
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if(closeParan==string::npos) {
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message = request.substr(offsetField)
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+ " getField( does not have matching )";
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return PVStructurePtr();
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}
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if(closeParan>openParan+1) {
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createSubNode(node,request.substr(openParan+1,closeParan-openParan-1));
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}
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top.push_back(node);
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}
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if(offsetPutField!=string::npos) {
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fullFieldName = "putField";
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Node node("putField");
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size_t openParan = request.find('(', offsetPutField);
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size_t closeParan = request.find(')', openParan);
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if(closeParan==string::npos) {
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message = request.substr(offsetField)
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+ " putField( does not have matching )";
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return PVStructurePtr();
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}
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if(closeParan>openParan+1) {
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createSubNode(node,request.substr(openParan+1,closeParan-openParan-1));
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}
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top.push_back(node);
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StructureConstPtr structure = fieldCreate->createStructure(names, fields);
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PVStructurePtr pvStructure = pvDataCreate->createPVStructure(structure);
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for(size_t i=0; i<optionList.size(); ++i) {
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OptionPair pair = optionList[i];
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string name = pair.name;
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string value = pair.value;
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PVStringPtr pvField = pvStructure->getSubField<PVString>(name);
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pvField->put(value);
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}
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optionList.clear();
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return pvStructure;
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} catch (std::exception &e) {
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string xxx = e.what();
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message = "while creating Structure exception " + xxx;
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return PVStructurePtr();
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message = e.what();
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return PVStructurePtr();
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}
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size_t num = top.size();
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StringArray names(num);
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FieldConstPtrArray fields(num);
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for(size_t i=0; i<num; ++i) {
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Node node = top[i];
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names[i] = node.name;
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vector<Node> subNode = node.nodes;
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if(subNode.empty()) {
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fields[i] = fieldCreate->createStructure();
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} else {
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fields[i] = createSubStructure(subNode);
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}
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}
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StructureConstPtr structure = fieldCreate->createStructure(names, fields);
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PVStructurePtr pvStructure = pvDataCreate->createPVStructure(structure);
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for(size_t i=0; i<optionList.size(); ++i) {
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OptionPair pair = optionList[i];
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string name = pair.name;
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string value = pair.value;
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PVStringPtr pvField = pvStructure->getSubField<PVString>(name);
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pvField->put(value);
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}
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optionList.clear();
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return pvStructure;
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}
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};
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CreateRequest::shared_pointer CreateRequest::create()
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