/usr/include/omniORB4/internal/context.h is in libomniorb4-dev 4.2.2-0.8.
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// Package : omniORB
// context.h Created on: 9/1998
// Author : David Riddoch (djr)
//
// Copyright (C) 2013 Apasphere Ltd
// Copyright (C) 1996-1999 AT&T Laboratories Cambridge
//
// This file is part of the omniORB library
//
// The omniORB 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.
//
// 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, see http://www.gnu.org/licenses/
//
//
// Description:
//
#ifndef __CONTEXT_H__
#define __CONTEXT_H__
OMNI_NAMESPACE_BEGIN(omni)
class ContextImpl : public CORBA::Context {
public:
ContextImpl(const char* name, CORBA::Context_ptr parent);
virtual ~ContextImpl();
virtual const char* context_name() const;
virtual CORBA::Context_ptr parent() const;
virtual void create_child(const char*, CORBA::Context_out);
virtual void set_one_value(const char*, const CORBA::Any&);
virtual void set_values(CORBA::NVList_ptr);
virtual void delete_values(const char*);
virtual void get_values(const char* start_scope,
CORBA::Flags op_flags,
const char* pattern,
CORBA::NVList_out values);
virtual CORBA::Boolean NP_is_nil() const;
virtual CORBA::Context_ptr NP_duplicate();
///////////////////
// omni internal //
///////////////////
void insert_single_consume(char* name, char* value);
// Inserts a single entry, consuming the given name/value pair.
void decrRefCount();
// Decrease the reference count, and delete this context
// if there are no more references or children.
// Must not hold <pd_lock>.
static void releaseDefault();
// Release the default context, if there is one. Called on ORB destruction.
private:
friend class CORBA::Context;
ContextImpl(const ContextImpl&); // not implemented
ContextImpl& operator=(const ContextImpl&); // not implemented
int matchPattern(const char* pat, CORBA::ULong& bottom,
CORBA::ULong& top) const;
// Returns 1 if finds a match, or 0 if no match.
// The index of the first match is in <bottom>, and the last
// match + 1 in <top>.
// Must hold <pd_lock>.
static void add_values(ContextImpl* c, CORBA::Flags op_flags,
const char* pattern, int wildcard,
CORBA::NVList_ptr val_list);
// If( wildcard ), then pattern has terminating '*', and all matching
// name-value pairs are added to val_list. Recurses on parent of context
// if allowed by op_flags.
// If( !wildcard ), looks for a single match starting at the given
// context, looking in parent if it is not found and op_flags allows.
void check_context_name(const char* n);
void check_property_name(const char* n);
// These check that the given (non-null) identifier is a valid context
// name or property name respectively.
void addChild(ContextImpl* c) {
omni_tracedmutex_lock lock(pd_lock);
c->pd_nextSibling = pd_children;
pd_children = c;
}
// Add the given ContextImpl into the list of children.
void loseChild(ContextImpl* child);
// The given child is dying - remove from the list of dependents. This
// must only be called by a child of this context from its d'tor.
struct Entry {
char* name;
char* value;
};
typedef _CORBA_PseudoValue_Sequence<Entry> EntrySeq;
CORBA::String_var pd_name; // set once - never changes
CORBA::Context_ptr pd_parent; // set once - never changes
EntrySeq pd_entries; // sorted list of entries
ContextImpl* pd_children; // list of Ctxts which depend on this
ContextImpl* pd_nextSibling; // linked list of siblings
unsigned pd_refCount;
omni_tracedmutex pd_lock;
// Manages access to <pd_entries>, <pd_children>, <pd_refCount> and the
// <pd_nextSibling> pointers in its children.
};
OMNI_NAMESPACE_END(omni)
#endif // __CONTEXT_H__
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