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/** @file
* IPRT - C++ path utilities.
*/
/*
* Copyright (C) 2017-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef IPRT_INCLUDED_cpp_path_h
#define IPRT_INCLUDED_cpp_path_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/assert.h>
#include <iprt/errcore.h>
#include <iprt/path.h>
#include <iprt/cpp/ministring.h>
/** @defgroup grp_rt_cpp_path C++ Path Utilities
* @ingroup grp_rt_cpp
* @{
*/
/**
* RTPathAbs() wrapper for working directly on a RTCString instance.
*
* @returns IPRT status code.
* @param rStrAbs Reference to the destiation string.
* @param pszRelative The relative source string.
*/
DECLINLINE(int) RTPathAbsCxx(RTCString &rStrAbs, const char *pszRelative)
{
Assert(rStrAbs.c_str() != pszRelative);
int rc = rStrAbs.reserveNoThrow(RTPATH_MAX);
if (RT_SUCCESS(rc))
{
char *pszDst = rStrAbs.mutableRaw();
rc = RTPathAbs(pszRelative, pszDst, rStrAbs.capacity());
if (RT_FAILURE(rc))
*pszDst = '\0';
rStrAbs.jolt();
}
return rc;
}
/**
* RTPathAbs() wrapper for working directly on a RTCString instance.
*
* @returns IPRT status code.
* @param rStrAbs Reference to the destiation string.
* @param rStrRelative Reference to the relative source string.
*/
DECLINLINE(int) RTPathAbsCxx(RTCString &rStrAbs, RTCString const &rStrRelative)
{
return RTPathAbsCxx(rStrAbs, rStrRelative.c_str());
}
/**
* RTPathAppPrivateNoArch() wrapper for working directly on a RTCString instance.
*
* @returns IPRT status code.
* @param rStrDst Reference to the destiation string.
*/
DECLINLINE(int) RTPathAppPrivateNoArchCxx(RTCString &rStrDst)
{
int rc = rStrDst.reserveNoThrow(RTPATH_MAX);
if (RT_SUCCESS(rc))
{
char *pszDst = rStrDst.mutableRaw();
rc = RTPathAppPrivateNoArch(pszDst, rStrDst.capacity());
if (RT_FAILURE(rc))
*pszDst = '\0';
rStrDst.jolt();
}
return rc;
}
/**
* RTPathAppend() wrapper for working directly on a RTCString instance.
*
* @returns IPRT status code.
* @param rStrDst Reference to the destiation string.
* @param pszAppend One or more components to append to the path already
* present in @a rStrDst.
*/
DECLINLINE(int) RTPathAppendCxx(RTCString &rStrDst, const char *pszAppend)
{
Assert(rStrDst.c_str() != pszAppend);
size_t cbEstimate = rStrDst.length() + 1 + strlen(pszAppend) + 1;
int rc;
if (rStrDst.capacity() >= cbEstimate)
rc = VINF_SUCCESS;
else
rc = rStrDst.reserveNoThrow(RT_ALIGN_Z(cbEstimate, 8));
if (RT_SUCCESS(rc))
{
rc = RTPathAppend(rStrDst.mutableRaw(), rStrDst.capacity(), pszAppend);
if (rc == VERR_BUFFER_OVERFLOW)
{
rc = rStrDst.reserveNoThrow(RTPATH_MAX);
if (RT_SUCCESS(rc))
rc = RTPathAppend(rStrDst.mutableRaw(), rStrDst.capacity(), pszAppend);
}
rStrDst.jolt();
}
return rc;
}
/**
* RTPathAppend() wrapper for working directly on a RTCString instance.
*
* @returns IPRT status code.
* @param rStrDst Reference to the destiation string.
* @param rStrAppend One or more components to append to the path already
* present in @a rStrDst.
*/
DECLINLINE(int) RTPathAppendCxx(RTCString &rStrDst, RTCString const &rStrAppend)
{
Assert(&rStrDst != &rStrAppend);
size_t cbEstimate = rStrDst.length() + 1 + rStrAppend.length() + 1;
int rc;
if (rStrDst.capacity() >= cbEstimate)
rc = VINF_SUCCESS;
else
rc = rStrDst.reserveNoThrow(RT_ALIGN_Z(cbEstimate, 8));
if (RT_SUCCESS(rc))
{
rc = RTPathAppend(rStrDst.mutableRaw(), rStrDst.capacity(), rStrAppend.c_str());
if (rc == VERR_BUFFER_OVERFLOW)
{
rc = rStrDst.reserveNoThrow(RTPATH_MAX);
if (RT_SUCCESS(rc))
rc = RTPathAppend(rStrDst.mutableRaw(), rStrDst.capacity(), rStrAppend.c_str());
}
rStrDst.jolt();
}
return rc;
}
/** @} */
#endif /* !IPRT_INCLUDED_cpp_path_h */
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