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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef _UNO_MAPPING_H_
#define _UNO_MAPPING_H_
#include <cppu/cppudllapi.h>
#include <rtl/ustring.h>
#ifdef __cplusplus
extern "C"
{
#endif
struct _typelib_InterfaceTypeDescription;
struct _uno_Mapping;
struct _uno_Environment;
/**
Function pointer declaration to acquire a UNO mapping.
*/
typedef void (SAL_CALL * uno_AcquireMappingFunc)(struct _uno_Mapping *);
/**
Function pointer declaration to release a UNO mapping.
*/
typedef void (SAL_CALL * uno_ReleaseMappingFunc)(struct _uno_Mapping *);
/** Function pointer declaration to map an interface from one environment to another.
@param pMapping mapping
@param ppOut [inout] destination interface; existing interfaces are released
@param pInterface source interface
@param pInterfaceTypeDescr type description of the interface
*/
typedef void (SAL_CALL * uno_MapInterfaceFunc)(
struct _uno_Mapping * pMapping,
void ** ppOut, void * pInterface,
struct _typelib_InterfaceTypeDescription * pInterfaceTypeDescr );
#if defined( SAL_W32)
#pragma pack(push, 8)
#endif
/** This is the binary specification of a mapping.
*/
typedef struct _uno_Mapping
{
/** Acquires mapping
*/
uno_AcquireMappingFunc acquire;
/** Releases mapping. The last release may unload bridges.
*/
uno_ReleaseMappingFunc release;
/** mapping function
*/
uno_MapInterfaceFunc mapInterface;
} uno_Mapping;
#if defined( SAL_W32)
#pragma pack(pop)
#endif
/** Gets an interface mapping from one environment to another.
@param ppMapping [inout] mapping; existing mapping will be released
@param pFrom source environment
@param pTo destination environment
(interfaces resulting in mapInterface() call can be used
in this language environment)
@param pAddPurpose additional purpose of mapping (e.g., protocolling); defaults to 0 (none)
*/
CPPU_DLLPUBLIC void SAL_CALL uno_getMapping(
struct _uno_Mapping ** ppMapping,
struct _uno_Environment * pFrom,
struct _uno_Environment * pTo,
rtl_uString * pAddPurpose )
SAL_THROW_EXTERN_C();
/** Callback function pointer declaration to get a mapping.
@param ppMapping inout mapping
@param pFrom source environment
@param pTo destination environment
@param pAddPurpose additional purpose
*/
typedef void (SAL_CALL * uno_getMappingFunc)(
struct _uno_Mapping ** ppMapping,
struct _uno_Environment * pFrom,
struct _uno_Environment * pTo,
rtl_uString * pAddPurpose );
/** Registers a callback being called each time a mapping is demanded.
@param pCallback callback function
*/
CPPU_DLLPUBLIC void SAL_CALL uno_registerMappingCallback(
uno_getMappingFunc pCallback )
SAL_THROW_EXTERN_C();
/** Revokes a mapping callback registration.
@param pCallback callback function
*/
CPPU_DLLPUBLIC void SAL_CALL uno_revokeMappingCallback(
uno_getMappingFunc pCallback )
SAL_THROW_EXTERN_C();
/** Function pointer declaration to free a mapping.
@param pMapping mapping to be freed
*/
typedef void (SAL_CALL * uno_freeMappingFunc)( struct _uno_Mapping * pMapping );
/** Registers a mapping. A mapping registers itself on first acquire and revokes itself on last
release. The given freeMapping function is called by the runtime to cleanup any resources.
@param ppMapping inout mapping to be registered
@param freeMapping called by runtime to delete mapping
@param pFrom source environment
@param pTo destination environment
@param pAddPurpose additional purpose string; defaults to 0
*/
CPPU_DLLPUBLIC void SAL_CALL uno_registerMapping(
struct _uno_Mapping ** ppMapping, uno_freeMappingFunc freeMapping,
struct _uno_Environment * pFrom, struct _uno_Environment * pTo, rtl_uString * pAddPurpose )
SAL_THROW_EXTERN_C();
/** Revokes a mapping. A mapping registers itself on first acquire and revokes itself on last
release.
@param pMapping mapping to be revoked
*/
CPPU_DLLPUBLIC void SAL_CALL uno_revokeMapping(
struct _uno_Mapping * pMapping )
SAL_THROW_EXTERN_C();
/** Gets an interface mapping from one language environment to another by corresponding environment
type names.
@param ppMapping [inout] mapping; existing mapping will be released
@param pFrom source environment type name
@param pTo destination environment type name
(interfaces resulting in mapInterface() call can be used
in this language environment)
@param pAddPurpose additional purpose of mapping (e.g., protocolling); defaults to 0 (none)
*/
CPPU_DLLPUBLIC void SAL_CALL uno_getMappingByName(
struct _uno_Mapping ** ppMapping,
rtl_uString * pFrom,
rtl_uString * pTo,
rtl_uString * pAddPurpose )
SAL_THROW_EXTERN_C();
/* symbol exported by each language binding library */
#define UNO_EXT_GETMAPPING "uno_ext_getMapping"
/** Function pointer declaration to get a mapping from a loaded bridge. Bridges export a function
called uno_ext_getMapping() of this signature.
@param ppMapping [inout] mapping; existing mapping will be released
@pFrom source environment
@pTo destination environment
*/
typedef void (SAL_CALL * uno_ext_getMappingFunc)(
struct _uno_Mapping ** ppMapping,
struct _uno_Environment * pFrom,
struct _uno_Environment * pTo );
#ifdef DISABLE_DYNLOADING
/* Static linking, this is the uno_ext_getMapping function in the C++/UNO bridge */
void SAL_CALL CPPU_ENV_uno_ext_getMapping(
struct _uno_Mapping ** ppMapping,
struct _uno_Environment * pFrom,
struct _uno_Environment * pTo )
SAL_THROW_EXTERN_C();
#endif
#ifdef __cplusplus
}
#endif
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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