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/* -*- C++ -*- */
//=============================================================================
/**
* @file Capabilities.h
*
* $Id$
*
* @author Arturo Montes <mitosys@colomsat.net.co>
*/
//=============================================================================
#ifndef ACE_CAPABILITIES_H
#define ACE_CAPABILITIES_H
#include "ace/pre.h"
#include "ace/OS.h"
#include "ace/Synch.h"
#include "ace/Hash_Map_Manager.h"
#include "ace/Containers.h"
#include "ace/SString.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
/**
* @class ACE_CapEntry
*
* @brief This class is the base class for all ACE Capabilities entry
* subclasses.
*
* This class is not instantiable and does not provide accessors
* or methods. If you want to add a new kind of attribute you
* subclasses of this class and dynamic cast to proper subclass.
*/
class ACE_Export ACE_CapEntry
{
public:
virtual ~ACE_CapEntry (void);
protected:
enum
{
ACE_INTCAP = 0,
ACE_STRINGCAP = 1,
ACE_BOOLCAP = 2
};
ACE_CapEntry (int captype);
int captype_;
};
/**
* @class ACE_IntCapEntry
*
* @brief This class implement the ACE Integer Capability subclass.
*
* This is a container class for ACE Capabilities integer container
* values.
*/
class ACE_Export ACE_IntCapEntry : public ACE_CapEntry
{
public:
ACE_IntCapEntry (int val);
int getval (void) const;
protected:
int val_;
};
/**
* @class ACE_StringCapEntry
*
* @brief This class implement the ACE String Capability subclass.
*
* This is a container class for ACE Capabilities String container
* values.
*/
class ACE_Export ACE_StringCapEntry : public ACE_CapEntry
{
public:
ACE_StringCapEntry (const ACE_TString &val);
ACE_TString getval (void) const;
protected:
ACE_TString val_;
};
/**
* @class ACE_BoolCapEntry
*
* @brief This class implement the ACE Bool Capability subclass.
*
* This is a container class for ACE Capabilities bool container
* values.
*/
class ACE_Export ACE_BoolCapEntry : public ACE_CapEntry
{
public:
ACE_BoolCapEntry (int val);
int getval (void) const;
protected:
int val_;
};
/**
* @class ACE_Capabilities
*
* @brief This class implement the ACE Capabilities.
*
* This is a container class for ACE Capabilities
* values. Currently exist three different capability values:
* <ACE_IntCapEntry> (integer), <ACE_BoolCapEntry> (bool) and
* <ACE_StringCapEntry> (String). An <ACE_Capabilities> is a
* unordered set of pair = (<String>, <ACE_CapEntry> *). Where
* the first component is the name of capability and the second
* component is a pointer to the capability value container. A
* <FILE> is a container for <ACE_Capabilities>, the
* <ACE_Capabilities> has a name in the file, as a termcap file.
*/
class ACE_Export ACE_Capabilities
{
public:
/// The Constructor
ACE_Capabilities (void);
/// The Destructor
~ACE_Capabilities(void);
public:
/// Get a string entry.
int getval (const ACE_TCHAR *ent, ACE_TString &val);
/// Get an integer entry.
int getval (const ACE_TCHAR *ent, int &val);
/// Get the ACE_Capabilities name from FILE fname and load the
/// associated capabitily entries in map.
int getent (const ACE_TCHAR *fname, const ACE_TCHAR *name);
protected:
// Parse an integer property
/// Parse a string property
const ACE_TCHAR *parse (const ACE_TCHAR *buf, int &cap);
/// Fill the ACE_Capabilities with description in ent.
const ACE_TCHAR *parse (const ACE_TCHAR *buf, ACE_TString &cap);
/// Parse a cap entry
int fillent(const ACE_TCHAR *ent);
/// Get a line from FILE input stream
int parseent (const ACE_TCHAR *name, ACE_TCHAR *line);
/// Is a valid entry
int getline (FILE* fp,
ACE_TString &line);
/// Reset the set of capabilities
int is_entry (const ACE_TCHAR *name, const ACE_TCHAR *line);
/// Atributes.
void resetcaps (void);
private:
/// This is the set of ACE_CapEntry.
ACE_Hash_Map_Manager<ACE_TString, ACE_CapEntry *, ACE_Null_Mutex> caps_;
};
#if defined (ACE_IS_SPLITTING)
int
is_empty (const ACE_TCHAR *line)
{
while (*line && isspace (*line))
line++;
return *line == ACE_LIB_TEXT ('\0') || *line == ACE_LIB_TEXT ('#');
}
int
is_line (const ACE_TCHAR *line)
{
while (*line && isspace (*line))
line++;
return *line != ACE_LIB_TEXT ('\0');
}
#endif /* ACE_IS_SPLITTING */
#if defined (__ACE_INLINE__)
#include "ace/Capabilities.i"
#endif /* __ACE_INLINE__ */
#include "ace/post.h"
#endif /* __ACE_CAPABILITIES_H__ */
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