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/* ecpp.cpp
* Copyright (C) 2003-2005 Tommi Maekitalo
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
* NON-INFRINGEMENT. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <tnt/ecpp.h>
#include <tnt/urlmapper.h>
#include <tnt/comploader.h>
#include <tnt/httperror.h>
#include <tnt/httprequest.h>
#include <cxxtools/log.h>
log_define("tntnet.ecpp")
namespace tnt
{
//////////////////////////////////////////////////////////////////////
// Subcompident
//
inline std::ostream& operator<< (std::ostream& out, const Subcompident& comp)
{ return out << comp.toString(); }
Subcompident::Subcompident(const std::string& ident)
: tnt::Compident(ident)
{
std::string::size_type pos = compname.find('.');
if (pos != std::string::npos)
{
subname = compname.substr(pos + 1);
compname = compname.substr(0, pos);
}
}
std::string Subcompident::toString() const
{
std::string ret = tnt::Compident::toString();
if (!subname.empty())
{
ret += '.';
ret += subname;
}
return ret;
}
//////////////////////////////////////////////////////////////////////
// EcppComponent
//
cxxtools::RWLock equivMonitor;
EcppComponent::EcppComponent(const Compident& ci, const Urlmapper& um,
Comploader& cl)
: myident(ci),
rootmapper(um),
loader(cl)
{ }
EcppComponent::~EcppComponent()
{ }
void EcppComponent::registerSubComp(const std::string& name, EcppSubComponent* comp)
{
log_debug(getCompident() << ": registerSubComp " << name);
subcomps_type::const_iterator it = getSubcomps().find(name);
if (it != getSubcomps().end())
log_error("duplicate subcomp " << name);
else
getSubcomps().insert(subcomps_type::value_type(name, comp));
}
Component& EcppComponent::fetchComp(const std::string& url) const
{
log_debug("fetchComp(\"" << url << "\")");
Subcompident ci(url);
if (ci.libname.empty())
ci.libname = myident.libname;
if (ci.compname.empty())
ci.compname = myident.compname;
Component* comp;
try
{
// fetch component by name
comp = &loader.fetchComp(ci, rootmapper);
// if there is a subcomponent, fetch it
if (!ci.subname.empty())
{
try
{
EcppComponent& e = dynamic_cast<EcppComponent&>(*comp);
comp = &e.fetchSubComp(ci.subname);
}
catch (const std::exception&)
{
throw NotFoundException(ci.toString());
}
}
}
catch (const NotFoundException&)
{
// not found - fetch by url
Compident ci = rootmapper.mapComp(url);
comp = &loader.fetchComp(ci, rootmapper);
}
return *comp;
}
Component& EcppComponent::fetchComp(const Compident& ci) const
{
if (ci.libname.empty())
{
Compident cii(ci);
cii.libname = myident.libname;
return loader.fetchComp(cii, rootmapper);
}
else
return loader.fetchComp(ci, rootmapper);
}
Component* EcppComponent::createComp(const Compident& ci) const
{
log_debug("createComp(" << ci << ")");
if (ci.libname.empty())
{
Compident cii(ci);
cii.libname = myident.libname;
return loader.createComp(cii, rootmapper);
}
else
return loader.createComp(ci, rootmapper);
}
EcppSubComponent& EcppComponent::fetchSubComp(const std::string& sub) const
{
log_debug(getCompident() << ": fetchSubComp(\"" << sub << "\")");
subcomps_type::const_iterator it = getSubcomps().find(sub);
if (it == getSubcomps().end())
throw NotFoundException(Subcompident(getCompident(), sub).toString());
return *it->second;
}
const char* EcppComponent::getData(const HttpRequest& request, const char* def) const
{
std::string LANG = request.getLang();
if (!LANG.empty())
{
const char* data = loader.getLangData(myident, LANG);
if (data)
return data;
}
return def;
}
///////////////////////////////////////////////////////////////////////
// ecppSubComponent
//
void EcppSubComponent::drop()
{ }
}
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