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StructureType.cpp
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StructureType.cpp
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#include "StructureType.h"
#include "OptionalContainerType.h"
#include "../ParserGenerator.h"
#include "../SerializerGenerator.h"
StructureType::StructureType(const std::string &name, const StructureType *baseType) : DirectType(TypeName(name)) {
if (baseType) {
members = baseType->members;
orderedMembers = baseType->orderedMembers;
}
}
StructureType::StructureType(std::string &&name, const StructureType *baseType) : DirectType(TypeName((std::string &&) name)) {
if (baseType) {
members = baseType->members;
orderedMembers = baseType->orderedMembers;
}
}
std::string StructureType::generateParserFunctionBody(ParserGenerator *generator, const std::string &indent) const {
std::string body;
// TODO make key a class member to reduce the number of allocations
body += indent+generator->stringType()->name().variableDeclaration("key")+";\n";
if (generator->settings().noThrow) {
body += indent+"if (!matchSymbol('{'))\n";
body += indent+INDENT+generator->generateErrorStatement(ParserGenerator::Error::TYPE_MISMATCH)+";\n";
} else
body += indent+"requireSymbol('{');\n";
if (generator->settings().strictSyntaxCheck)
body += indent+"int separatorCheck = -1;\n";
body += indent+"while (!matchSymbol('}')) {\n";
if (generator->settings().strictSyntaxCheck) {
body += indent+INDENT "if (!separatorCheck)\n";
body += indent+INDENT INDENT+generator->generateErrorStatement(ParserGenerator::Error::JSON_SYNTAX_ERROR)+";\n";
}
body += generator->generateValueParse(generator->stringType(), "key", indent+INDENT);
if (generator->settings().noThrow) {
body += indent+INDENT "if (!matchSymbol(':'))\n";
body += indent+INDENT INDENT+generator->generateErrorStatement(ParserGenerator::Error::JSON_SYNTAX_ERROR)+";\n";
} else
body += indent+INDENT "requireSymbol(':');\n";
bool first = true;
if (generator->settings().noThrow) {
for (const std::pair<std::string, const Type *> &member : orderedMembers) {
body += indent+INDENT+(first ? "if" : "} else if")+" (key == "+generator->getJsonMemberNameLiteral(member.first)+") {\n";
body += indent+INDENT INDENT+"if (Error error = "+generator->generateParserFunctionCall(member.second, "value."+member.first, false)+")\n";
body += indent+INDENT INDENT INDENT "return error;\n";
first = false;
}
body += indent+INDENT "} else {\n";
} else {
for (const std::pair<std::string, const Type *> &member : orderedMembers) {
body += indent+INDENT+(first ? "if" : "else if")+" (key == "+generator->getJsonMemberNameLiteral(member.first)+")\n";
body += indent+INDENT INDENT+generator->generateParserFunctionCall(member.second, "value."+member.first, false)+";\n";
first = false;
}
body += indent+INDENT "else\n";
}
if (generator->settings().ignoreExtraKeys) {
if (generator->settings().noThrow) {
body += indent+INDENT INDENT "if (Error error = skipValue())\n";
body += indent+INDENT INDENT INDENT "return error;\n";
} else
body += indent+INDENT INDENT "skipValue();\n";
} else
body += indent+INDENT INDENT+generator->generateErrorStatement(ParserGenerator::Error::UNKNOWN_KEY)+";\n";
if (generator->settings().noThrow)
body += indent+INDENT "}\n";
if (generator->settings().strictSyntaxCheck)
body += indent+INDENT "separatorCheck = matchSymbol(',');\n";
else
body += indent+INDENT "matchSymbol(',');\n";
body += indent+"}\n";
if (generator->settings().strictSyntaxCheck) {
body += indent+"if (separatorCheck == 1)\n";
body += indent+INDENT+generator->generateErrorStatement(ParserGenerator::Error::JSON_SYNTAX_ERROR)+";\n";
}
return body;
}
std::string StructureType::generateSerializerFunctionBody(SerializerGenerator *generator, const std::string &indent) const {
std::string body;
bool first = true;
bool maybeFirst = false;
for (const std::pair<std::string, const Type *> &member : orderedMembers) {
const OptionalContainerType *optionalMemberType = nullptr;
if (generator->settings().skipEmptyFields)
optionalMemberType = dynamic_cast<const OptionalContainerType *>(member.second);
std::string memberSerialization;
std::string subIndent = indent;
if (optionalMemberType) {
if (first) {
body += indent+"bool prev = false;\n";
body += indent+"write('{');\n";
maybeFirst = true;
}
body += indent+"if ("+optionalMemberType->generateHasValue(("value."+member.first).c_str())+") {\n";
subIndent += INDENT;
memberSerialization = generator->generateValueSerialization(optionalMemberType->elementType(), optionalMemberType->generateGetValue(("value."+member.first).c_str()), subIndent);
} else
memberSerialization = generator->generateValueSerialization(member.second, "value."+member.first, subIndent);
if (maybeFirst && !first) {
body += subIndent+"if (prev)\n";
body += subIndent+INDENT "write(',');\n";
}
body += subIndent+"write(\""+(maybeFirst ? "" : first ? "{" : ",")+"\\\"\" "+generator->getJsonMemberNameLiteral(member.first)+" \"\\\":\");\n"; // TODO optimize, add strlen
body += memberSerialization;
if (optionalMemberType) {
if (maybeFirst)
body += subIndent+"prev = true;\n";
body += indent+"}\n";
} else
maybeFirst = false;
first = false;
}
body += indent+"write('}');\n";
return body;
}
void StructureType::addMember(const std::string &name, const Type *type) {
members.insert(std::make_pair(name, type));
orderedMembers.emplace_back(name, type);
}
const std::vector<std::pair<std::string, const Type *> > & StructureType::getMembers() const {
return orderedMembers;
}
const Type * StructureType::findMember(const std::string &name) const {
std::map<std::string, const Type *>::const_iterator it = members.find(name);
if (it != members.end())
return it->second;
return nullptr;
}
void StructureType::finalize() {
finalized = true;
}
bool StructureType::isFinalized() const {
return finalized;
}