osg::SharedLibrary Class Reference
[Base]

#include <OSGSharedLibrary.h>

List of all members.

Public Types
Type
enum	SharedLibraryType { Invalid = 0x0000, Application = 0x0001, SharedLib = 0x0002 }
Public Member Functions
Constructors
	SharedLibrary (void)
	SharedLibrary (const Char8 *szName)
Destructor
virtual	~SharedLibrary (void)
Class Specific
bool	open (const Char8 *szName)
bool	close (void)
AnonSymbolHandle	getSymbol (const Char8 *szSymbolName)
bool	isOpen (void)
const Char8 *	getName (void)
Protected Member Functions
Helper
bool	open (void)
Protected Attributes
Char8 *	_szName
SharedHandle	_pHandle
SharedLibraryType	_type
Static Protected Attributes
static Char8	_szApplicationName [] = "Application"
Private Member Functions
	SharedLibrary (const SharedLibrary &source)
	prohibit default function (move to 'public' if needed)
void	operator= (const SharedLibrary &source)
	prohibit default function (move to 'public' if needed)

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Detailed Description

Definition at line 69 of file OSGSharedLibrary.h.

---

Member Enumeration Documentation

enum osg::SharedLibrary::SharedLibraryType

Enumerator:

Invalid
Application
SharedLib

Definition at line 77 of file OSGSharedLibrary.h.

    {
        Invalid       = 0x0000,
        Application   = 0x0001,
        SharedLib     = 0x0002
    };

---

Constructor & Destructor Documentation

SharedLibrary::SharedLibrary

(

void

)

Definition at line 63 of file OSGSharedLibrary.cpp.

                                 :
    _szName (NULL   ),
    _pHandle(NULL   ),
    _type   (Invalid)
{
}

SharedLibrary::SharedLibrary

(

const Char8 *

szName

)

Definition at line 70 of file OSGSharedLibrary.cpp.

References _szApplicationName, _szName, _type, Application, open(), SharedLib, and osg::stringDup().

                                                :
    _szName (NULL   ),
    _pHandle(NULL   ),
    _type   (Invalid)
{
    if(szName == NULL)
    {
        stringDup(_szApplicationName, _szName);

        _type = Application;
    }
    else
    {
        stringDup(szName, _szName);

        _type = SharedLib;
    }    

    this->open();
}

SharedLibrary::~SharedLibrary

(

void

)

[virtual]

Definition at line 93 of file OSGSharedLibrary.cpp.

References close().

{
    close();
}

osg::SharedLibrary::SharedLibrary

(

const SharedLibrary &

source

)

[private]

---

Member Function Documentation

bool SharedLibrary::open

(

const Char8 *

szName

)

Definition at line 100 of file OSGSharedLibrary.cpp.

References _szApplicationName, _szName, _type, Application, close(), isOpen(), open(), SharedLib, and osg::stringDup().

{
    if(isOpen() == true)
    {
        close();
    }

    if(szName == NULL)
    {
        stringDup(_szApplicationName, _szName);

        _type = Application;
    }
    else
    {
        stringDup(szName, _szName);

        _type = SharedLib;
    }    

    return this->open();
}

bool SharedLibrary::close

(

void

)

Definition at line 123 of file OSGSharedLibrary.cpp.

References _pHandle.

Referenced by open(), and ~SharedLibrary().

{
    bool returnValue = false;

    if(_pHandle != NULL)
    {
#ifndef WIN32
        returnValue = (dlclose(_pHandle) == 0);
#else
        returnValue = (FreeLibrary(_pHandle)) != FALSE;
#endif
        _pHandle    = NULL;
    }

    return returnValue;
}

AnonSymbolHandle SharedLibrary::getSymbol

(

const Char8 *

szSymbolName

)

Definition at line 140 of file OSGSharedLibrary.cpp.

References _pHandle, isOpen(), and open().

{
    AnonSymbolHandle returnValue = NULL;

    if(isOpen() == false)
    {
        if(open() == false)
        {
            return returnValue;
        }
    }

    if(_pHandle != NULL && szSymbolName != NULL)
    {
#ifndef WIN32
        returnValue = dlsym(_pHandle, szSymbolName);
#else
        returnValue = (void*)GetProcAddress(_pHandle, szSymbolName);
#endif
    }

#ifndef WIN32
    if(returnValue == NULL)
        fprintf(stderr, "%s\n", dlerror());
#else
#endif

    fprintf(stderr, "Got Symbol : %s %p %p\n", 
            szSymbolName, 
            _pHandle, 
            returnValue);

    return returnValue;
}

bool SharedLibrary::isOpen

(

void

)

Definition at line 175 of file OSGSharedLibrary.cpp.

References _pHandle.

Referenced by getSymbol(), and open().

{
    return _pHandle != NULL;
}

const Char8 * SharedLibrary::getName

(

void

)

Definition at line 180 of file OSGSharedLibrary.cpp.

References _szName.

{
    return _szName;
}

bool SharedLibrary::open

(

void

)

[protected]

Definition at line 187 of file OSGSharedLibrary.cpp.

References _pHandle, _szName, _type, and SharedLib.

Referenced by getSymbol(), open(), and SharedLibrary().

{
    Char8 *libName = NULL;

    if(_pHandle != NULL)
    {
        return true;
    }

    if(_type == SharedLib)
    {
        libName = _szName;
    }

#ifndef WIN32
#ifdef OSG_DLOPEN_LAZY
    _pHandle = dlopen(libName, RTLD_LAZY | RTLD_GLOBAL);
#else
    _pHandle = dlopen(libName, RTLD_NOW  | RTLD_GLOBAL);
#endif

    if(_pHandle == NULL)
    {
        fprintf(stderr, "%s\n", dlerror());
    }
#else
    _pHandle = LoadLibrary(libName);
#endif

    return (_pHandle != NULL);
}

void osg::SharedLibrary::operator=

(

const SharedLibrary &

source

)

[private]

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Member Data Documentation

Char8 SharedLibrary::_szApplicationName = "Application" [static, protected]

Definition at line 118 of file OSGSharedLibrary.h.

Referenced by open(), and SharedLibrary().

Char8* osg::SharedLibrary::_szName [protected]

Definition at line 120 of file OSGSharedLibrary.h.

Referenced by getName(), open(), and SharedLibrary().

SharedHandle osg::SharedLibrary::_pHandle [protected]

Definition at line 121 of file OSGSharedLibrary.h.

Referenced by close(), getSymbol(), isOpen(), and open().

SharedLibraryType osg::SharedLibrary::_type [protected]

Definition at line 123 of file OSGSharedLibrary.h.

Referenced by open(), and SharedLibrary().

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The documentation for this class was generated from the following files:

• OSGSharedLibrary.h
• OSGSharedLibrary.cpp