diff options
Diffstat (limited to 'contrib/src/Pluma/Host.cpp')
| -rwxr-xr-x | contrib/src/Pluma/Host.cpp | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/contrib/src/Pluma/Host.cpp b/contrib/src/Pluma/Host.cpp new file mode 100755 index 0000000..eb37c33 --- /dev/null +++ b/contrib/src/Pluma/Host.cpp @@ -0,0 +1,179 @@ +////////////////////////////////////////////////////////////
+//
+// Pluma - Plug-in Management Framework
+// Copyright (C) 2010-2012 Gil Costa (gsaurus@gmail.com)
+//
+// This software is provided 'as-is', without any express or implied warranty.
+// In no event will the authors be held liable for any damages arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it freely,
+// subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented;
+// you must not claim that you wrote the original software.
+// If you use this software in a product, an acknowledgment
+// in the product documentation would be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such,
+// and must not be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source distribution.
+//
+////////////////////////////////////////////////////////////
+
+
+////////////////////////////////////////////////////////////
+// Headers
+////////////////////////////////////////////////////////////
+#include <Pluma/Host.hpp>
+#include <cstdio>
+
+
+namespace pluma{
+
+////////////////////////////////////////////////////////////
+Host::Host(){
+ // Nothing to do
+}
+
+
+////////////////////////////////////////////////////////////
+bool Host::add(Provider* provider){
+ if (provider == NULL){
+ fprintf(stderr, "Trying to add a null provider.\n");
+ return false;
+ }
+ if (!validateProvider(provider)){
+ delete provider;
+ return false;
+ }
+ addRequests[ provider->plumaGetType() ].push_back(provider);
+ return true;
+}
+
+
+////////////////////////////////////////////////////////////
+Host::~Host(){
+ clearProviders();
+ // map frees itself
+}
+
+
+////////////////////////////////////////////////////////////
+void Host::clearProviders(){
+ ProvidersMap::iterator it;
+ for (it = knownTypes.begin() ; it != knownTypes.end() ; ++it){
+ std::list<Provider*>& providers = it->second.providers;
+ std::list<Provider*>::iterator provIt;
+ for (provIt = providers.begin() ; provIt != providers.end() ; ++provIt){
+ delete *provIt;
+ }
+ std::list<Provider*>().swap(providers);
+ }
+}
+
+
+////////////////////////////////////////////////////////////
+bool Host::knows(const std::string& type) const{
+ return knownTypes.find(type) != knownTypes.end();
+}
+
+
+////////////////////////////////////////////////////////////
+unsigned int Host::getVersion(const std::string& type) const{
+ ProvidersMap::const_iterator it = knownTypes.find(type);
+ if (it != knownTypes.end())
+ return it->second.version;
+ return 0;
+}
+
+
+////////////////////////////////////////////////////////////
+unsigned int Host::getLowestVersion(const std::string& type) const{
+ ProvidersMap::const_iterator it = knownTypes.find(type);
+ if (it != knownTypes.end())
+ return it->second.lowestVersion;
+ return 0;
+}
+
+
+////////////////////////////////////////////////////////////
+void Host::registerType(const std::string& type, unsigned int version, unsigned int lowestVersion){
+ if (!knows(type)){
+ ProviderInfo pi;
+ pi.version = version;
+ pi.lowestVersion = lowestVersion;
+ knownTypes[type] = pi;
+ }
+}
+
+
+////////////////////////////////////////////////////////////
+const std::list<Provider*>* Host::getProviders(const std::string& type) const{
+ ProvidersMap::const_iterator it = knownTypes.find(type);
+ if (it != knownTypes.end())
+ return &it->second.providers;
+ return NULL;
+}
+
+
+////////////////////////////////////////////////////////////
+bool Host::validateProvider(Provider* provider) const{
+ const std::string& type = provider->plumaGetType();
+ if ( !knows(type) ){
+ fprintf(stderr, "%s provider type isn't registered.\n", type.c_str());
+ return false;
+ }
+ if (!provider->isCompatible(*this)){
+ fprintf(stderr, "Incompatible %s provider version.\n", type.c_str());
+ return false;
+ }
+ return true;
+}
+
+
+////////////////////////////////////////////////////////////
+bool Host::registerProvider(Provider* provider){
+ if (!validateProvider(provider)){
+ delete provider;
+ return false;
+ }
+ knownTypes[ provider->plumaGetType() ].providers.push_back(provider);
+ return true;
+}
+
+
+////////////////////////////////////////////////////////////
+void Host::cancelAddictions(){
+ TempProvidersMap::iterator it;
+ for( it = addRequests.begin() ; it != addRequests.end() ; ++it){
+ std::list<Provider*> lst = it->second;
+ std::list<Provider*>::iterator providerIt;
+ for (providerIt = lst.begin() ; providerIt != lst.end() ; ++providerIt){
+ delete *providerIt;
+ }
+ }
+ // clear map
+ TempProvidersMap().swap(addRequests);
+}
+
+
+////////////////////////////////////////////////////////////
+bool Host::confirmAddictions(){
+ if (addRequests.empty()) return false;
+ TempProvidersMap::iterator it;
+ for( it = addRequests.begin() ; it != addRequests.end() ; ++it){
+ std::list<Provider*> lst = it->second;
+ std::list<Provider*>::iterator providerIt;
+ for (providerIt = lst.begin() ; providerIt != lst.end() ; ++providerIt){
+ knownTypes[it->first].providers.push_back(*providerIt);
+ }
+ }
+ // clear map
+ TempProvidersMap().swap(addRequests);
+ return true;
+}
+
+
+} //namespace pluma
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