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#include "Globals.h"
#include "BlockTypeRegistry.h"
////////////////////////////////////////////////////////////////////////////////
// BlockInfo:
BlockInfo::BlockInfo(
const AString & aPluginName,
const AString & aBlockTypeName,
std::shared_ptr<cBlockHandler> aHandler,
const std::map<AString, AString> & aHints,
const std::map<AString, BlockInfo::HintCallback> & aHintCallbacks
):
mPluginName(aPluginName),
mBlockTypeName(aBlockTypeName),
mHandler(aHandler),
mHints(aHints),
mHintCallbacks(aHintCallbacks)
{
}
AString BlockInfo::hintValue(
const AString & aHintName,
const BlockState & aBlockState
)
{
// Search the hint callbacks first:
auto itrC = mHintCallbacks.find(aHintName);
if (itrC != mHintCallbacks.end())
{
// Hint callback found, use it:
return itrC->second(mBlockTypeName, aBlockState);
}
// Search the static hints:
auto itr = mHints.find(aHintName);
if (itr != mHints.end())
{
// Hint found, use it:
return itr->second;
}
// Nothing found, return empty string:
return AString();
}
////////////////////////////////////////////////////////////////////////////////
// BlockTypeRegistry:
void BlockTypeRegistry::registerBlockType(
const AString & aPluginName,
const AString & aBlockTypeName,
std::shared_ptr<cBlockHandler> aHandler,
const std::map<AString, AString> & aHints,
const std::map<AString, BlockInfo::HintCallback> & aHintCallbacks
)
{
auto blockInfo = std::make_shared<BlockInfo>(aPluginName, aBlockTypeName, aHandler, aHints, aHintCallbacks);
// Check previous registrations:
cCSLock lock(mCSRegistry);
auto itr = mRegistry.find(aBlockTypeName);
if (itr != mRegistry.end())
{
if (itr->second->pluginName() != aPluginName)
{
throw AlreadyRegisteredException(itr->second, blockInfo);
}
}
// Store the registration:
mRegistry[aBlockTypeName] = blockInfo;
}
std::shared_ptr<BlockInfo> BlockTypeRegistry::blockInfo(const AString & aBlockTypeName)
{
cCSLock lock(mCSRegistry);
auto itr = mRegistry.find(aBlockTypeName);
if (itr == mRegistry.end())
{
return nullptr;
}
return itr->second;
}
void BlockTypeRegistry::removeAllByPlugin(const AString & aPluginName)
{
cCSLock lock(mCSRegistry);
for (auto itr = mRegistry.begin(); itr != mRegistry.end();)
{
if (itr->second->pluginName() == aPluginName)
{
itr = mRegistry.erase(itr);
}
else
{
++itr;
}
}
}
////////////////////////////////////////////////////////////////////////////////
// BlockTypeRegistry::AlreadyRegisteredException:
BlockTypeRegistry::AlreadyRegisteredException::AlreadyRegisteredException(
std::shared_ptr<BlockInfo> aPreviousRegistration,
std::shared_ptr<BlockInfo> aNewRegistration
) :
Super(message(aPreviousRegistration, aNewRegistration)),
mPreviousRegistration(aPreviousRegistration),
mNewRegistration(aNewRegistration)
{
}
AString BlockTypeRegistry::AlreadyRegisteredException::message(
std::shared_ptr<BlockInfo> aPreviousRegistration,
std::shared_ptr<BlockInfo> aNewRegistration
)
{
return Printf("Attempting to register BlockTypeName %s from plugin %s, while it is already registered in plugin %s",
aNewRegistration->blockTypeName().c_str(),
aNewRegistration->pluginName().c_str(),
aPreviousRegistration->pluginName().c_str()
);
}
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