📄 dllpath.h
字号:
/* ***** BEGIN LICENSE BLOCK *****
* Source last modified: $Id: dllpath.h,v 1.5.36.3 2004/07/09 01:43:51 hubbe Exp $
*
* Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
*
* The contents of this file, and the files included with this file,
* are subject to the current version of the RealNetworks Public
* Source License (the "RPSL") available at
* http://www.helixcommunity.org/content/rpsl unless you have licensed
* the file under the current version of the RealNetworks Community
* Source License (the "RCSL") available at
* http://www.helixcommunity.org/content/rcsl, in which case the RCSL
* will apply. You may also obtain the license terms directly from
* RealNetworks. You may not use this file except in compliance with
* the RPSL or, if you have a valid RCSL with RealNetworks applicable
* to this file, the RCSL. Please see the applicable RPSL or RCSL for
* the rights, obligations and limitations governing use of the
* contents of the file.
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL") in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your version of
* this file only under the terms of the GPL, and not to allow others
* to use your version of this file under the terms of either the RPSL
* or RCSL, indicate your decision by deleting the provisions above
* and replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient may
* use your version of this file under the terms of any one of the
* RPSL, the RCSL or the GPL.
*
* This file is part of the Helix DNA Technology. RealNetworks is the
* developer of the Original Code and owns the copyrights in the
* portions it created.
*
* This file, and the files included with this file, is distributed
* and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
* KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
* ENJOYMENT OR NON-INFRINGEMENT.
*
* Technology Compatibility Kit Test Suite(s) Location:
* http://www.helixcommunity.org/content/tck
*
* Contributor(s):
*
* ***** END LICENSE BLOCK ***** */
#ifndef _DLL_PATH
#define _DLL_PATH
#include "hxcom.h"
#include "hxmap.h"
#include "hxstring.h"
#ifdef _MACINTOSH
#pragma export on
STDAPI SetDLLAccessPath(const char* pPathDescriptor);
#pragma export off
#endif
#if defined(HELIX_CONFIG_NOSTATICS)
#include "globals/hxglobals.h"
#endif
/*
* Used to identify dll types.
*/
typedef enum dll_types
{
DLLTYPE_NOT_DEFINED = 0, // Arbitrary DLLs (no predefined path used)
DLLTYPE_PLUGIN, // Plug-ins
DLLTYPE_CODEC, // Codecs
DLLTYPE_ENCSDK, // Encoder SDK DLLs
DLLTYPE_COMMON, // Common libraries
DLLTYPE_UPDATE, // Setup/Upgrade libraries
DLLTYPE_OBJBROKR, // Special entry for the object broker
DLLTYPE_RCAPLUGIN, // Gemini plugins
DLLTYPE_NUMBER // Not a type, used as number of predefined types.
} DLLTYPES;
typedef HX_RESULT (HXEXPORT_PTR FPSETDLLACCESSPATH) (const char*);
class DLLAccessPath
{
public:
DLLAccessPath();
virtual ~DLLAccessPath();
// This class is only ref-counted if it is used as such.
// Most of the system uses this as a non-refcounted class.
STDMETHOD_(ULONG32,AddRef) (THIS);
STDMETHOD_(ULONG32,Release) (THIS);
HX_RESULT SetAccessPaths(const char* pPathDescriptor);
HX_RESULT SetPath(UINT16 nLibType, const char* szPath);
HX_RESULT SetPath(const char* szLibType, const char* szPath);
const char* GetPath(UINT16 nLibType);
const char* GetPath(const char* szLibType);
const char* GetLibTypeName(UINT16 nLibType);
HX_RESULT PassDLLAccessPath(FPSETDLLACCESSPATH pSetDLLAccessPath);
HX_RESULT AddPathToEnvironment(const char* szPath);
HX_RESULT RestoreEnvironment();
UINT32 GetNumPaths() {return m_mapPathes.GetCount();}
protected:
static const char* const zm_pszDllTypeNames[DLLTYPE_NUMBER];
private:
LONG32 m_lRefCount;
CHXMapStringToString m_mapPathes;
CHXString m_strPathEnvVar;
};
extern DLLAccessPath* GetDLLAccessPath();
class DLLAccessDestructor
{
public:
DLLAccessDestructor() {};
~DLLAccessDestructor()
{
#ifndef _VXWORKS
if (GetDLLAccessPath())
{
GetDLLAccessPath()->Release();
}
#endif
}
};
//
// Macros for setting DLL loading paths
//
#ifndef _VXWORKS
#if defined(_STATICALLY_LINKED) && !defined(HELIX_FEATURE_SERVER)
// We need this since many DLLs have this listed
// as an export, so we have to have it defined
#define ENABLE_DLLACCESS_PATHS(GLOBAL) \
STDAPI ENTRYPOINT(SetDLLAccessPath)(const char* pPathDescriptor) \
{ \
return HXR_OK; \
}
#define ENABLE_MULTILOAD_DLLACCESS_PATHS(GLOBAL) \
STDAPI ENTRYPOINT(SetDLLAccessPath)(const char* pPathDescriptor) \
{ \
return HXR_OK; \
}
#elif defined(HELIX_CONFIG_NOSTATICS)
#define ENABLE_DLLACCESS_PATHS(GLOBAL) \
static const DLLAccessPath* const _g_##GLOBAL = NULL; \
\
DLLAccessPath* ENTRYPOINT(GetDLLAccessPath)() \
{ \
return &HXGlobalDLLAccessPath::Get(&_g_##GLOBAL); \
} \
\
STDAPI ENTRYPOINT(SetDLLAccessPath)(const char* pPathDescriptor) \
{ \
return (GetDLLAccessPath()->SetAccessPaths(pPathDescriptor)); \
}
#else /* #if defined(_STATICALLY_LINKED) && !defined(HELIX_FEATURE_SERVER) */
#define ENABLE_DLLACCESS_PATHS(GLOBAL) \
DLLAccessPath GLOBAL; \
\
DLLAccessPath* ENTRYPOINT(GetDLLAccessPath)() \
{ \
return &GLOBAL; \
} \
\
STDAPI ENTRYPOINT(SetDLLAccessPath)(const char* pPathDescriptor) \
{ \
return (GetDLLAccessPath()->SetAccessPaths(pPathDescriptor)); \
}
#ifdef _UNIX
#define ENABLE_MULTILOAD_DLLACCESS_PATHS(GLOBAL) \
DLLAccessPath* GLOBAL = NULL; \
\
DLLAccessPath* GetDLLAccessPath() \
{ \
if (!GLOBAL) \
{ \
GLOBAL = new DLLAccessPath(); \
GLOBAL->AddRef(); \
} \
return GLOBAL; \
} \
\
STDAPI ENTRYPOINT(SetDLLAccessPath)(const char* pPathDescriptor) \
{ \
if (!GLOBAL) \
{ \
GLOBAL = new DLLAccessPath(); \
GLOBAL->AddRef(); \
} \
\
return (GLOBAL->SetAccessPaths(pPathDescriptor)); \
}
#else /* #ifdef _UNIX */
#define ENABLE_MULTILOAD_DLLACCESS_PATHS(GLOBAL) \
DLLAccessPath* GLOBAL = NULL; \
DLLAccessDestructor GLOBALDestructor; \
\
DLLAccessPath* GetDLLAccessPath() \
{ \
if (!GLOBAL) \
{ \
GLOBAL = new DLLAccessPath(); \
GLOBAL->AddRef(); \
} \
return GLOBAL; \
} \
\
STDAPI ENTRYPOINT(SetDLLAccessPath)(const char* pPathDescriptor) \
{ \
if (!GLOBAL) \
{ \
GLOBAL = new DLLAccessPath(); \
GLOBAL->AddRef(); \
} \
\
return (GLOBAL->SetAccessPaths(pPathDescriptor)); \
}
#endif /* #ifdef _UNIX #else */
#endif /* #if defined(_STATICALLY_LINKED) #else */
#else /* #ifndef _VXWORKS */
#define ENABLE_DLLACCESS_PATHS(GLOBAL) \
STDAPI ENTRYPOINT(SetDLLAccessPath)(const char* pPathDescriptor) \
{ \
return 0; \
}
#ifdef _SERVER
#define ENABLE_MULTILOAD_DLLACCESS_PATHS(GLOBAL) \
STDAPI ENTRYPOINT(SetDLLAccessPath)(const char* pPathDescriptor) \
{ \
return 0; \
}
#else
#define ENABLE_MULTILOAD_DLLACCESS_PATHS(GLOBAL) \
STDAPI ENTRYPOINT(SetDLLAccessPath)(const char* pPathDescriptor) \
{ \
return 0; \
}
#endif
#endif /* #ifndef _VXWORKS #else */
#endif /* #ifndef _DLL_PATH */
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -