/usr/include/tnt/ecpp.h is in libtntnet-dev 2.2.1-3+b1.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2003-2005 Tommi Maekitalo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef TNT_ECPP_H
#define TNT_ECPP_H
#include <tnt/component.h>
#include <tnt/scope.h>
#include <tnt/sessionscope.h>
#include <tnt/httprequest.h>
#include <tnt/http.h>
#include <map>
#include <set>
namespace tnt
{
class Urlmapper;
class Comploader;
class EcppSubComponent;
//////////////////////////////////////////////////////////////////////
// Subcompident
//
struct Subcompident : public tnt::Compident
{
std::string subname;
Subcompident(const tnt::Compident& ci, const std::string& sub)
: tnt::Compident(ci),
subname(sub)
{ }
Subcompident(const std::string& lib, const std::string& comp, const std::string& sub)
: tnt::Compident(lib, comp),
subname(sub)
{ }
explicit Subcompident(const std::string& ident);
std::string toString() const;
};
//////////////////////////////////////////////////////////////////////
// EcppComponent
//
class EcppComponent : public Component
{
friend class EcppSubComponent;
Compident myident;
const Urlmapper& rootmapper;
Comploader& loader;
typedef std::map<std::string, EcppSubComponent*> subcomps_type;
subcomps_type subcomps;
virtual subcomps_type& getSubcomps() { return subcomps; }
virtual const subcomps_type& getSubcomps() const { return subcomps; }
typedef std::set<std::string> libnotfound_type;
typedef std::set<Compident> compnotfound_type;
protected:
virtual ~EcppComponent();
void registerSubComp(const std::string& name, EcppSubComponent* comp);
Component& fetchComp(const std::string& url) const;
Component& fetchComp(const Compident& ci) const;
Component& fetchComp(const Subcompident& ci) const;
Component* createComp(const Compident& ci) const;
Component* createComp(const std::string& url) const
{ return createComp(Compident(url)); }
/// helper-methods for calling components
template <typename compident_type,
typename parameter1_type,
typename parameter2_type>
unsigned callComp(const compident_type& ci, HttpRequest& request,
parameter1_type& p1, parameter2_type& p2)
{ return fetchComp(ci).call(request, p1, p2); }
template <typename compident_type,
typename parameter_type>
unsigned callComp(const compident_type& ci, HttpRequest& request,
parameter_type& p1)
{ return fetchComp(ci).call(request, p1); }
template <typename compident_type>
unsigned callComp(const compident_type& ci, HttpRequest& request)
{ return fetchComp(ci).call(request); }
/// helper-methods for fetching contents of components
template <typename compident_type,
typename parameter1_type>
std::string scallComp(const compident_type& ci, HttpRequest& request,
parameter1_type& p1)
{ return fetchComp(ci).scall(request, p1); }
template <typename compident_type>
std::string scallComp(const compident_type& ci, HttpRequest& request)
{ return fetchComp(ci).scall(request); }
const char* getData(const HttpRequest& request, const char* def) const;
public:
EcppComponent(const Compident& ci, const Urlmapper& um, Comploader& cl);
const Compident& getCompident() const { return myident; }
EcppSubComponent& fetchSubComp(const std::string& sub) const;
/// helper-methods for calling subcomponents
template <typename parameter1_type,
typename parameter2_type>
unsigned callSubComp(const std::string& sub, HttpRequest& request,
parameter1_type& p1,
parameter2_type& p2) const;
template <typename parameter1_type>
unsigned callSubComp(const std::string& sub, HttpRequest& request,
parameter1_type& p1) const;
/// helper-methods for fetching contents of subcomponents
template <typename parameter1_type>
std::string scallSubComp(const std::string& sub, HttpRequest& request,
parameter1_type& p1) const;
};
//////////////////////////////////////////////////////////////////////
// EcppSubComponent
//
class EcppSubComponent : public EcppComponent
{
EcppComponent& main;
std::string subcompname;
virtual subcomps_type& getSubcomps()
{ return main.getSubcomps(); }
virtual const subcomps_type& getSubcomps() const
{ return main.getSubcomps(); }
public:
EcppSubComponent(EcppComponent& p, const std::string& name)
: EcppComponent(p.myident, p.rootmapper, p.loader),
main(p),
subcompname(name)
{
p.registerSubComp(name, this);
}
virtual void drop();
Subcompident getCompident() const
{ return Subcompident(main.getCompident(), subcompname); }
EcppComponent& getMainComponent() const { return main; }
};
//////////////////////////////////////////////////////////////////////
// inline methods
//
inline Component& EcppComponent::fetchComp(const Subcompident& ci) const
{
return dynamic_cast<EcppComponent&>(
fetchComp( static_cast<const Compident&>(ci) )
)
.fetchSubComp(ci.subname);
}
template <typename parameter1_type,
typename parameter2_type>
unsigned EcppComponent::callSubComp(
const std::string& sub,
HttpRequest& request,
parameter1_type& p1,
parameter2_type& p2) const
{ return fetchSubComp(sub).call(request, p1, p2); }
template <typename parameter1_type>
unsigned EcppComponent::callSubComp(
const std::string& sub,
HttpRequest& request,
parameter1_type& p1) const
{ return fetchSubComp(sub).call(request, p1); }
/// helper-methods for fetching contents of subcomponents
template <typename parameter1_type>
std::string EcppComponent::scallSubComp(
const std::string& sub,
HttpRequest& request,
parameter1_type& p1) const
{ return fetchSubComp(sub).scall(request, p1); }
//////////////////////////////////////////////////////////////////////
// scope-helper
//
inline std::string getPageScopePrefix(const Compident& id)
{
return id.toString();
}
template <typename compident_type>
std::string getComponentScopePrefix(const compident_type& id)
{
return id.toString();
}
inline unsigned controllerCaller(void*, tnt::HttpRequest&, tnt::HttpReply&, tnt::QueryParams&)
{
return DECLINED;
}
inline unsigned controllerCaller(tnt::Component* component, tnt::HttpRequest& request, tnt::HttpReply& reply, tnt::QueryParams& qparams)
{
return (*component)(request, reply, qparams);
}
}
#define TNT_VAR(scope, type, varname, key, construct) \
type* varname##_pointer; \
{ \
const std::string varname##_scopekey = key; \
tnt::Scope& _scope = scope; \
varname##_pointer = _scope.get< type >(varname##_scopekey); \
if ( ! varname##_pointer ) \
_scope.put< type >(varname##_scopekey, \
varname##_pointer = new type construct); \
} \
type& varname = *varname##_pointer; \
{ \
unsigned r = tnt::controllerCaller(varname##_pointer, request, reply, qparam); \
if (r != DECLINED && r != HTTP_OK) \
return r; \
}
#define TNT_SESSION_COMPONENT_VAR(type, varname, key, construct) \
TNT_VAR(request.getSessionScope(), type, varname, getComponentScopePrefix(getCompident()) + ":" key, construct)
#define TNT_SESSION_PAGE_VAR(type, varname, key, construct) \
TNT_VAR(request.getSessionScope(), type, varname, getPageScopePrefix(getCompident()) + ":" key, construct)
#define TNT_SESSION_GLOBAL_VAR(type, varname, key, construct) \
TNT_VAR(request.getSessionScope(), type, varname, key, construct)
#define TNT_SECURE_SESSION_COMPONENT_VAR(type, varname, key, construct) \
TNT_VAR(request.getSecureSessionScope(), type, varname, getComponentScopePrefix(getCompident()) + ":" key, construct)
#define TNT_SECURE_SESSION_PAGE_VAR(type, varname, key, construct) \
TNT_VAR(request.getSecureSessionScope(), type, varname, getPageScopePrefix(getCompident()) + ":" key, construct)
#define TNT_SECURE_SESSION_GLOBAL_VAR(type, varname, key, construct) \
TNT_VAR(request.getSecureSessionScope(), type, varname, key, construct)
#define TNT_APPLICATION_COMPONENT_VAR(type, varname, key, construct) \
TNT_VAR(request.getApplicationScope(), type, varname, getComponentScopePrefix(getCompident()) + ":" key, construct)
#define TNT_APPLICATION_PAGE_VAR(type, varname, key, construct) \
TNT_VAR(request.getApplicationScope(), type, varname, getPageScopePrefix(getCompident()) + ":" key, construct)
#define TNT_APPLICATION_GLOBAL_VAR(type, varname, key, construct) \
TNT_VAR(request.getApplicationScope(), type, varname, key, construct)
#define TNT_THREAD_COMPONENT_VAR(type, varname, key, construct) \
TNT_VAR(request.getThreadScope(), type, varname, getComponentScopePrefix(getCompident()) + ":" key, construct)
#define TNT_THREAD_PAGE_VAR(type, varname, key, construct) \
TNT_VAR(request.getThreadScope(), type, varname, getPageScopePrefix(getCompident()) + ":" key, construct)
#define TNT_THREAD_GLOBAL_VAR(type, varname, key, construct) \
TNT_VAR(request.getThreadScope(), type, varname, key, construct)
#define TNT_REQUEST_COMPONENT_VAR(type, varname, key, construct) \
TNT_VAR(request.getRequestScope(), type, varname, getComponentScopePrefix(getCompident()) + ":" key, construct)
#define TNT_REQUEST_PAGE_VAR(type, varname, key, construct) \
TNT_VAR(request.getRequestScope(), type, varname, getPageScopePrefix(getCompident()) + ":" key, construct)
#define TNT_REQUEST_GLOBAL_VAR(type, varname, key, construct) \
TNT_VAR(request.getRequestScope(), type, varname, key, construct)
#define TNT_PARAM(type, varname, key, construct) \
TNT_VAR(qparam.getScope(), type, varname, key, construct)
#endif // TNT_ECPP_H
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