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Bazaar/PolyXMLTest : updated sample showing streaming of unknown classes

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git-svn-id: svn://ultimatepp.org/upp/trunk@2859 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
micio 2010-11-21 16:40:56 +00:00
parent 8459f1b416
commit b4c8102843
1 changed files with 96 additions and 26 deletions
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122
bazaar/PolyXMLTest/Main.cpp
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@ -7,6 +7,7 @@ class Base : public WithPolyXML<Base>
public:
String BaseData;
void Xmlize(XmlIO xml) { xml("BaseData", BaseData); }
Base() { BaseData = "Sample data in Base class"; }
};
class Derived : public Base
@ -14,6 +15,7 @@ class Derived : public Base
public:
String DerivedData;
void Xmlize(XmlIO xml) { Base::Xmlize(xml); xml("DerivedData", DerivedData); }
Derived() { DerivedData = "Sample data in Derived class"; }
};
class Another : public Derived
@ -21,14 +23,70 @@ class Another : public Derived
public:
int AnotherData;
void Xmlize(XmlIO xml) { Derived::Xmlize(xml); xml("AnotherData", AnotherData); }
Another() { AnotherData = 7; }
};
class OneMore : public Another
{
public:
double OneMoreData;
void Xmlize(XmlIO xml) { Derived::Xmlize(xml); xml("AnotherData", AnotherData); }
OneMore() { OneMoreData = 3.14; }
};
// USUALLY WE REGISTER CLASSES AT STARTUP, LIKE FOLLOWING (COMMENTED) CODE
// NOW, TO MAKE MULTIPLE TESTS, WE MANUALLY REGISTER THEM INSIDE MAIN CODE
// AND DE-REGISTER ALL TO ALLOW NEW TESTS (IN PARTICULAR, TO SEE WHAT HAPPENS
// LOADING AN UNREGISTERED CLASS
/*
REGISTERCLASS(Base);
REGISTERCLASS(Derived, "you can add a description");
REGISTERCLASS(Another, "you can add a description and also an index", 10);
REGISTERCLASS(OneMore, "last class with description and index", 12);
*/
void DumpArray(PolyXMLArray<Base> &polyArray)
{
Cerr() << "\nArray content after streaming in : " << polyArray.GetCount() << " classes:\n";
for(int i = 0; i < polyArray.GetCount(); i++)
{
Cerr() << " class #" << i << " is a '" << polyArray[i].IsA() << "'\n";
if(polyArray[i].IsA() == "Base")
Cerr() << " BaseData = '" << ((Base &)polyArray[i]).BaseData << "'\n";
else if(polyArray[i].IsA() == "Derived")
{
Cerr() << " BaseData = '" << ((Derived &)polyArray[i]).BaseData << "'\n";
Cerr() << " DerivedData = '" << ((Derived &)polyArray[i]).DerivedData << "'\n";
}
else if(polyArray[i].IsA() == "Another")
{
Cerr() << " BaseData = '" << ((Another &)polyArray[i]).BaseData << "'\n";
Cerr() << " DerivedData = '" << ((Another &)polyArray[i]).DerivedData << "'\n";
Cerr() << " AnotherData = '" << ((Another &)polyArray[i]).AnotherData << "'\n";
}
else if(polyArray[i].IsA() == "OneMore")
{
Cerr() << " BaseData = '" << ((OneMore &)polyArray[i]).BaseData << "'\n";
Cerr() << " DerivedData = '" << ((OneMore &)polyArray[i]).DerivedData << "'\n";
Cerr() << " AnotherData = '" << ((OneMore &)polyArray[i]).AnotherData << "'\n";
Cerr() << " OneMoreData = '" << ((OneMore &)polyArray[i]).OneMoreData << "'\n";
}
else if(polyArray[i].IsA() == POLYXMLUNKNOWN)
Cerr() << " Original class is '" << ((PolyXMLUnknown<Base> &)polyArray[i]).GetUnknownClassName() << "' -- STREAMED IN AS RAW XML\n";
else
Cerr() << "oops... known class, but I don't know how to handle it\n";
}
}
CONSOLE_APP_MAIN
{
// MANUAL CLASS REGISTRATION, SEE ABOVE COMMENT !
Base::Register<Base>("Base");
Derived::Register<Derived>("Derived", "you can add a description");
Another::Register<Another>("Another", "you can add a description and also an index", 10);
OneMore::Register<OneMore>("OneMore", "last class with description and index", 12);
Cerr() << "You have registered " << Base::Classes().GetCount() << " classes:\n";
for(int i = 0; i < Base::Classes().GetCount(); i++)
Cerr() << " Class#" << i << " is a '" << Base::Classes()[i]
@ -47,41 +105,53 @@ CONSOLE_APP_MAIN
polyArray.Add(d);
Another *a = dynamic_cast<Another *>(Base::CreatePtr("Another"));
a->BaseData = "Sample data in derived class";
a->DerivedData = "Another sample data in derived class";
a->BaseData = "Sample data in Derived class";
a->DerivedData = "Another sample data in Derived class";
a->AnotherData = 12345;
polyArray.Add(a);
OneMore *o = new OneMore;
o->BaseData = "Sample data in OneMore class";
o->DerivedData = "Another sample data in OneMore class";
o->AnotherData = 12;
o->OneMoreData = 3.1418;
polyArray.Add(o);
Cerr() << "\nArray content before streaming out: " << polyArray.GetCount() << " classes:\n";
for(int i = 0; i < polyArray.GetCount(); i++)
{
Cerr() << " class #" << i << " is a '" << polyArray[i].IsA() << "'\n";
if(polyArray[i].IsA() == "Base")
Cerr() << " BaseData = '" << ((Base &)polyArray[i]).BaseData << "'\n";
else
{
Cerr() << " BaseData = '" << ((Derived &)polyArray[i]).BaseData << "'\n";
Cerr() << " DerivedData = '" << ((Derived &)polyArray[i]).DerivedData << "'\n";
}
}
DumpArray(polyArray);
String s = StoreAsXML(polyArray, "PolyXMLTest");
Cerr() << "\nStreamed XML : \n\n" << s ;
polyArray.Clear();
LoadFromXML(polyArray, s);
Cerr() << "\nArray content after streaming in : " << polyArray.GetCount() << " classes:\n";
for(int i = 0; i < polyArray.GetCount(); i++)
{
Cerr() << " class #" << i << " is a '" << polyArray[i].IsA() << "'\n";
if(polyArray[i].IsA() == "Base")
Cerr() << " BaseData = '" << ((Base &)polyArray[i]).BaseData << "'\n";
else
{
Cerr() << " BaseData = '" << ((Derived &)polyArray[i]).BaseData << "'\n";
Cerr() << " DerivedData = '" << ((Derived &)polyArray[i]).DerivedData << "'\n";
}
}
DumpArray(polyArray);
// Now we de-register all classes and re-register all of them BESIDES one
// to test in-streaming with an unknown class
Base::UnregisterAll();
Base::Register<Base>("Base");
Derived::Register<Derived>("Derived", "you can add a description");
OneMore::Register<OneMore>("OneMore", "last class with description and index", 12);
Cerr() << "\nStreaming in XML with an unknown class : \n\n";
polyArray.Clear();
LoadFromXML(polyArray, s);
Cerr() << "\nArray content after streaming in : " << polyArray.GetCount() << " classes:\n";
DumpArray(polyArray);
Cerr() << "\nStreaming out XML with an unknown class : \n\n";
s = StoreAsXML(polyArray, "PolyXMLTest");
Cerr() << "\nRedefining missing class and streaming it the whole stuff again : \n\n";
Another::Register<Another>("Another", "you can add a description and also an index", 10);
polyArray.Clear();
LoadFromXML(polyArray, s);
DumpArray(polyArray);
}