bool
FreezeScript::invokeMemberFunction(const string& name, const DataPtr& target, const DataList& args, DataPtr& result,
const DataFactoryPtr& factory, const ErrorReporterPtr& errorReporter)
{
//
// string
//
StringDataPtr targetStr = StringDataPtr::dynamicCast(target);
if(targetStr)
{
if(name == "find")
{
StringDataPtr argData;
IntegerDataPtr startData;
if(args.size() > 0)
{
argData = StringDataPtr::dynamicCast(args[0]);
}
if(args.size() > 1)
{
startData = IntegerDataPtr::dynamicCast(args[1]);
}
if(args.size() == 0 || args.size() > 2 || !argData || (args.size() == 2 && !startData))
{
errorReporter->error("invalid arguments to find(string str[, int len])");
}
string targ = targetStr->stringValue();
string arg = argData->stringValue();
string::size_type pos;
if(startData)
{
string::size_type start = static_cast<string::size_type>(startData->integerValue());
pos = targ.find(arg, start);
}
else
{
pos = targ.find(arg);
}
result = factory->createInteger(pos == string::npos ? -1 : static_cast<Ice::Long>(pos), false);
return true;
}
else if(name == "substr")
{
IntegerDataPtr startData;
IntegerDataPtr lenData;
if(args.size() > 0)
{
startData = IntegerDataPtr::dynamicCast(args[0]);
}
if(args.size() > 1)
{
lenData = IntegerDataPtr::dynamicCast(args[1]);
}
if(args.size() == 0 || args.size() > 2 || !startData || (args.size() == 2 && !lenData))
{
errorReporter->error("invalid arguments to substr(int start[, int len])");
}
string targ = targetStr->stringValue();
string::size_type start = static_cast<string::size_type>(startData->integerValue());
string::size_type len = string::npos;
if(lenData)
{
len = static_cast<string::size_type>(lenData->integerValue());
}
if(start > targ.size())
{
ostringstream ostr;
ostr << "substr() starting position (" << start << ") is greater than string length ("
<< targ.size() << ")";
errorReporter->error(ostr.str());
}
result = factory->createString(targ.substr(start, len), false);
return true;
}
else if(name == "replace")
{
IntegerDataPtr startData;
IntegerDataPtr lenData;
StringDataPtr strData;
if(args.size() == 3)
{
startData = IntegerDataPtr::dynamicCast(args[0]);
lenData = IntegerDataPtr::dynamicCast(args[1]);
strData = StringDataPtr::dynamicCast(args[2]);
}
if(args.size() != 3 || !startData || !lenData || !strData)
{
errorReporter->error("invalid arguments to replace(int start, int len, string val)");
}
string targ = targetStr->stringValue();
string::size_type start = static_cast<string::size_type>(startData->integerValue());
string::size_type len = static_cast<string::size_type>(lenData->integerValue());
string str = strData->stringValue();
if(start > targ.size())
{
ostringstream ostr;
ostr << "replace() starting position (" << start << ") is greater than string length ("
<< targ.size() << ")";
errorReporter->error(ostr.str());
}
result = factory->createString(targ.replace(start, len, str), false);
return true;
}
return false;
}
//
// Object
//
ObjectRefPtr targetObj = ObjectRefPtr::dynamicCast(target);
if(targetObj)
{
if(name == "ice_isA")
{
ObjectDataPtr value = targetObj->getValue();
if(!value)
{
errorReporter->error("ice_isA() invoked on nil object");
}
StringDataPtr str;
if(args.size() > 0)
{
str = StringDataPtr::dynamicCast(args.front());
}
if(args.size() != 1 || !str)
{
errorReporter->error("invalid arguments to ice_isA(string id)");
}
string id = str->stringValue();
if(id == "::Ice::Object")
{
result = factory->createBoolean(true, false);
return true;
}
Slice::ClassDeclPtr decl = Slice::ClassDeclPtr::dynamicCast(value->getType());
if(!decl)
{
//
// Ice::Object
//
result = factory->createBoolean(false, false);
return true;
}
Slice::ClassDefPtr def = decl->definition();
assert(def);
result = factory->createBoolean(def->isA(id), false);
return true;
}
return false;
}
return false;
}
bool
FreezeScript::invokeGlobalFunction(const Ice::CommunicatorPtr& communicator, const string& name, const DataList& args,
DataPtr& result, const DataFactoryPtr& factory,
const ErrorReporterPtr& errorReporter)
{
//
// Global function.
//
if(name == "typeOf")
{
if(args.size() != 1)
{
errorReporter->error("typeOf() requires one argument");
}
result = factory->createString(typeToString(args.front()->getType()), false);
return true;
}
else if(name == "generateUUID")
{
if(args.size() != 0)
{
errorReporter->error("generateUUID() accepts no arguments");
}
result = factory->createString(IceUtil::generateUUID(), false);
return true;
}
else if(name == "stringToIdentity")
{
StringDataPtr str;
if(args.size() > 0)
{
str = StringDataPtr::dynamicCast(args.front());
}
if(args.size() != 1 || !str)
{
errorReporter->error("stringToIdentity() requires a string argument");
}
//
// Parse the identity string.
//
string idstr = str->stringValue();
Ice::Identity id;
try
{
id = communicator->stringToIdentity(idstr);
}
catch(const Ice::IdentityParseException& ex)
{
errorReporter->error("error in stringToIdentity():\n" + ex.str);
}
//
// Create a data representation of Ice::Identity.
//
Slice::UnitPtr unit = str->getType()->unit();
Slice::TypeList l = unit->lookupType("::Ice::Identity", false);
assert(!l.empty());
DataPtr identity = factory->create(l.front(), false);
StringDataPtr member;
member = StringDataPtr::dynamicCast(identity->getMember("name"));
assert(member);
member->setValue(id.name);
member = StringDataPtr::dynamicCast(identity->getMember("category"));
assert(member);
member->setValue(id.category);
result = identity;
return true;
}
else if(name == "identityToString")
{
StructDataPtr identity;
if(args.size() > 0)
{
identity = StructDataPtr::dynamicCast(args.front());
}
if(identity)
{
Slice::TypePtr argType = identity->getType();
Slice::StructPtr st = Slice::StructPtr::dynamicCast(argType);
if(!st || st->scoped() != "::Ice::Identity")
{
identity = 0;
}
}
if(args.size() != 1 || !identity)
{
errorReporter->error("identityToString() requires a argument of type ::Ice::Identity");
}
//
// Compose the identity.
//
Ice::Identity id;
StringDataPtr member;
member = StringDataPtr::dynamicCast(identity->getMember("name"));
assert(member);
id.name = member->stringValue();
member = StringDataPtr::dynamicCast(identity->getMember("category"));
assert(member);
id.category = member->stringValue();
result = factory->createString(communicator->identityToString(id), false);
return true;
}
else if(name == "stringToProxy")
{
StringDataPtr str;
if(args.size() > 0)
{
str = StringDataPtr::dynamicCast(args.front());
}
if(args.size() != 1 || !str)
{
errorReporter->error("stringToProxy() requires a string argument");
}
//
// Parse the proxy;
//
string sprx = str->stringValue();
Ice::ObjectPrx prx;
try
{
prx = factory->getCommunicator()->stringToProxy(sprx);
}
catch(const Ice::ProxyParseException& ex)
{
errorReporter->error("error in stringToProxy():\n" + ex.str);
}
Slice::UnitPtr unit = str->getType()->unit();
ProxyDataPtr p =
ProxyDataPtr::dynamicCast(factory->create(unit->builtin(Slice::Builtin::KindObjectProxy), false));
p->setValue(prx);
result = p;
return true;
}
else if(name == "proxyToString")
{
ProxyDataPtr prx;
if(args.size() > 0)
{
prx = ProxyDataPtr::dynamicCast(args.front());
}
if(args.size() != 1 || !prx)
{
errorReporter->error("proxyToString() requires a proxy argument");
}
result = factory->createString(prx->toString(), false);
return true;
}
else if(name == "lowercase")
{
StringDataPtr str;
if(args.size() > 0)
{
str = StringDataPtr::dynamicCast(args.front());
}
if(args.size() != 1 || !str)
{
errorReporter->error("lowercase() requires a string argument");
}
string val = IceUtilInternal::toLower(str->stringValue());
result = factory->createString(val, false);
return true;
}
return false;
}