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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commite2de64d6f1beb9e492daf5b886e19933c1fa41dd (patch)
tree9047cf9e6b5c43878d5bf82660adae77ceee097a /arts/runtime/structurebuilder_impl.cc
downloadtdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.tar.gz
tdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/arts/runtime/structurebuilder_impl.cc b/arts/runtime/structurebuilder_impl.cc
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+ /*
+
+ Copyright (C) 2000,2001 Stefan Westerfeld
+ stefan@space.twc.de
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ */
+
+#include "artsbuilder.h"
+#include "artsflow.h"
+#include "connect.h"
+#include "debug.h"
+#include "flowsystem.h"
+#include "stdsynthmodule.h"
+#include "dynamicrequest.h"
+#include "dynamicskeleton.h"
+#include "startupmanager.h"
+#include <list>
+
+//#define STRUCTBUILDER_DEBUG 1
+
+using namespace Arts;
+using namespace std;
+
+class StructureBuilder_impl : virtual public StructureBuilder_skel {
+protected:
+ list<ObjectFactory> factories;
+public:
+ void addFactory(ObjectFactory factory);
+ Object createObject(StructureDesc structure);
+ ModuleDef createTypeInfo(StructureDesc structure);
+};
+
+REGISTER_IMPLEMENTATION(StructureBuilder_impl);
+
+typedef DynamicSkeleton<SynthModule_skel> SynthModule_dskel;
+
+class Structure_impl : virtual public SynthModule_dskel,
+ virtual public StdSynthModule {
+protected:
+ list<Object> structureObjects;
+
+ struct ForwardMethod {
+ string method;
+ Object destObject;
+ string destMethod;
+ };
+
+ list<ForwardMethod> forwardMethods;
+
+public:
+ Structure_impl(StructureDesc structure, list<ObjectFactory>& factories);
+ void streamInit();
+ void streamEnd();
+
+ void process(long methodID, Buffer *request, Buffer *result);
+};
+
+void StructureBuilder_impl::addFactory(ObjectFactory factory)
+{
+ factories.push_back(factory);
+}
+
+ModuleDef StructureBuilder_impl::createTypeInfo(StructureDesc structure)
+{
+ ModuleDef md;
+ InterfaceDef id;
+
+/* convert structure to InterfaceDef id */
+ md.moduleName = id.name = structure.name();
+ id.inheritedInterfaces.push_back("Arts::SynthModule");
+
+ vector<string> *otherInterfaces = structure.inheritedInterfaces();
+ vector<string>::iterator ii;
+ for(ii = otherInterfaces->begin(); ii != otherInterfaces->end(); ii++)
+ id.inheritedInterfaces.push_back(*ii);
+ delete otherInterfaces;
+
+ vector<StructurePortDesc> *ports = structure.ports();
+ vector<StructurePortDesc>::iterator pi;
+ for(pi = ports->begin(); pi != ports->end(); pi++)
+ {
+ const Arts::PortType& type = pi->type();
+
+ // if we inherited the port from a parent interface, we don't need to
+ // list it in our interface description
+ if(pi->inheritedInterface().empty())
+ {
+ AttributeDef ad;
+ ad.name = pi->name();
+
+ // This is a little tricky, as input ports (which are bringing data
+ // from outside into the structure) are saved as output ports (and
+ // output ports as input ports).
+ ad.flags = AttributeType(
+ ((type.direction == input)?streamOut:streamIn) |
+ ((type.connType == conn_stream)?attributeStream:attributeAttribute)
+ );
+ ad.type = type.dataType;
+
+ id.attributes.push_back(ad);
+ }
+ }
+ delete ports;
+
+ md.interfaces.push_back(id);
+
+ return md;
+}
+
+namespace Arts {
+static class StructureBuilderCleanUp : public StartupClass {
+public:
+ vector<long> types;
+ void startup() { };
+ void shutdown() {
+ vector<long>::iterator i;
+ for(i = types.begin(); i != types.end(); i++)
+ Dispatcher::the()->interfaceRepo().removeModule(*i);
+ types.clear();
+ }
+ virtual ~StructureBuilderCleanUp() {}
+} structureBuilderCleanUp;
+}
+
+Object StructureBuilder_impl::createObject(StructureDesc structure)
+{
+ ModuleDef md = createTypeInfo(structure);
+
+ // FIXME: find some faster way of ensuring type consistency than creating
+ // the thing from scratch every time
+ structureBuilderCleanUp.types.push_back(Dispatcher::the()->interfaceRepo().insertModule(md));
+ Object obj = Object::_from_base(new Structure_impl(structure, factories));
+ return obj;
+}
+
+Structure_impl::Structure_impl(StructureDesc structureDesc,
+ list<ObjectFactory>& factories)
+ : SynthModule_dskel(structureDesc.name())
+{
+ map<long, Object> moduleMap;
+ vector<ModuleDesc> *modules = structureDesc.modules();
+ vector<ModuleDesc>::iterator mi;
+
+ // create each object
+ for(mi = modules->begin(); mi != modules->end(); mi++)
+ {
+ ModuleDesc& md = *mi;
+
+#ifdef STRUCTBUILDER_DEBUG
+ cout << "create " << md.name() << endl;
+#endif
+ Object o = Object::null(); //SubClass(md.name());
+
+ Object_skel *skel = 0;
+ skel = ObjectManager::the()->create(md.name());
+ if(skel) o = Object::_from_base(skel);
+
+#ifdef STRUCTBUILDER_DEBUG
+ if(o.isNull()) cout << "no local creator for " << md.name() << endl;
+#endif
+ list<ObjectFactory>::iterator fi = factories.begin();
+ while(o.isNull() && fi != factories.end())
+ {
+ o = fi->createObject(md.name());
+ fi++;
+ }
+
+#ifdef STRUCTBUILDER_DEBUG
+ if(o.isNull()) cout << "no remote creator for " << md.name() << endl;
+#endif
+ assert(!o.isNull());
+ moduleMap[md.ID()] = o;
+ structureObjects.push_back(o);
+ }
+
+ // connect objects and set values
+ for(mi = modules->begin(); mi != modules->end(); mi++)
+ {
+ Object& object = moduleMap[mi->ID()];
+
+ vector<PortDesc> *ports = mi->ports();
+ vector<PortDesc>::iterator pi;
+
+ for(pi = ports->begin(); pi != ports->end(); pi++)
+ {
+ PortDesc& pd = *pi;
+ const Arts::PortType& ptype = pd.type();
+
+ if(pd.hasValue())
+ {
+ // set values
+#ifdef STRUCTBUILDER_DEBUG
+ cout << "value " << mi->name() << "." << pi->name() << endl;
+#endif
+
+ if(ptype.connType == conn_property)
+ {
+ DynamicRequest req(object);
+ req.method("_set_"+pi->name());
+ req.param(pd.value());
+
+ bool requestOk = req.invoke();
+ arts_assert(requestOk);
+ }
+ else
+ {
+ if(ptype.dataType == "float")
+ setValue(object,pi->name(),pd.floatValue());
+ else
+ arts_warning("unexpected property type %s",
+ ptype.dataType.c_str());
+ //setStringValue(object,pd.stringValue());
+ }
+ }
+ else if(pd.isConnected() && ptype.direction == output)
+ {
+ // create connections
+
+ vector<PortDesc> *connections = pd.connections();
+ vector<PortDesc>::iterator ci;
+
+ for(ci = connections->begin(); ci != connections->end(); ci++)
+ {
+ if(!ci->parent().isNull()) // structureport otherwise
+ {
+ Object& dest = moduleMap[ci->parent().ID()];
+#ifdef STRUCTBUILDER_DEBUG
+ cout << "connect " << mi->name() << "." << pi->name()
+ << " to " << ci->parent().name()
+ << "." << ci->name() << endl;
+#endif
+ connect(object,pd.name(),dest,ci->name());
+ }
+ }
+ delete connections;
+ }
+ }
+ delete ports;
+ }
+ delete modules;
+
+ // create ports (should be done via dynamic impl class...)
+
+ vector<StructurePortDesc> *ports = structureDesc.ports();
+ vector<StructurePortDesc>::iterator pi;
+
+ for(pi = ports->begin(); pi != ports->end(); pi++)
+ {
+ Arts::StructurePortDesc& pd = *pi;
+ if(pd.isConnected())
+ {
+ // create connections
+
+ vector<PortDesc> *connections = pd.connections();
+ vector<PortDesc>::iterator ci;
+
+ for(ci = connections->begin(); ci != connections->end(); ci++)
+ {
+ Object& dest = moduleMap[ci->parent().ID()];
+#ifdef STRUCTBUILDER_DEBUG
+ cout << "virtualize " << pi->name()
+ << " to " << ci->parent().name() << "." << ci->name()
+ << endl;
+#endif
+
+ _node()->virtualize(pd.name(),dest._node(),ci->name());
+
+ if(pd.type().connType == conn_property)
+ {
+ ForwardMethod fm;
+ fm.method = "_set_"+pd.name();
+ fm.destObject = dest;
+ fm.destMethod = "_set_"+ci->name();
+ forwardMethods.push_back(fm);
+ }
+ }
+ delete connections;
+ }
+ }
+ delete ports;
+}
+
+void Structure_impl::streamInit()
+{
+ list<Object>::iterator i;
+
+#ifdef STRUCTBUILDER_DEBUG
+ cout << "vstructure: got streamInit()" << endl;
+#endif
+
+ for(i=structureObjects.begin(); i != structureObjects.end(); i++)
+ {
+ if(i->_base()->_isCompatibleWith("Arts::SynthModule"))
+ i->_node()->start();
+ }
+}
+
+void Structure_impl::streamEnd()
+{
+ list<Object>::iterator i;
+
+#ifdef STRUCTBUILDER_DEBUG
+ cout << "vstructure: got streamEnd()" << endl;
+#endif
+
+ for(i=structureObjects.begin(); i != structureObjects.end(); i++)
+ if(i->_base()->_isCompatibleWith("Arts::SynthModule"))
+ i->_node()->stop();
+}
+
+void Structure_impl::process(long methodID, Buffer *request, Buffer *result)
+{
+ const MethodDef& methodDef = getMethodDef(methodID);
+
+ arts_debug("Structure_impl: got method, method ID=%ld name='%s'",
+ methodID, methodDef.name.c_str());
+
+ list<ForwardMethod>::iterator fi;
+ for(fi = forwardMethods.begin(); fi != forwardMethods.end(); fi++)
+ {
+ if(fi->method == methodDef.name)
+ {
+ Any a;
+ a.type = methodDef.signature[0].type;
+
+ while(request->remaining() > 0)
+ a.value.push_back(request->readByte());
+
+ DynamicRequest(fi->destObject).method(fi->destMethod).param(a).invoke();
+ }
+ }
+}