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/* $Id: inifile.h $ */
/** @file
* IPRT - INI-file parser.
*/
/*
* Copyright (C) 2017-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox 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.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
#ifndef IPRT_INCLUDED_inifile_h
#define IPRT_INCLUDED_inifile_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/types.h>
RT_C_DECLS_BEGIN
/** @defgroup grp_rt_inifile RTIniFile - INI-file parser
* @ingroup grp_rt
* @{
*/
/** @name RTINIFILE_F_XXX - INI-file open flags.
* @{ */
/** Readonly. */
#define RTINIFILE_F_READONLY RT_BIT(0)
/** Valid mask. */
#define RTINIFILE_F_VALID_MASK UINT32_C(0x00000001)
/** @} */
/**
* Creates a INI-file instance from a VFS file handle.
*
* @returns IPRT status code
* @param phIniFile Where to return the INI-file handle.
* @param hVfsFile The VFS file handle (not consumed, additional
* reference is retained).
* @param fFlags Flags, RTINIFILE_F_XXX.
*/
RTDECL(int) RTIniFileCreateFromVfsFile(PRTINIFILE phIniFile, RTVFSFILE hVfsFile, uint32_t fFlags);
/**
* Retains a reference to an INI-file instance.
*
* @returns New reference count, UINT32_MAX on failure.
* @param hIniFile The INI-file handle.
*/
RTDECL(uint32_t) RTIniFileRetain(RTINIFILE hIniFile);
/**
* Releases a reference to an INI-file instance, destroying it if the count
* reaches zero.
*
* @returns New reference count, UINT32_MAX on failure.
* @param hIniFile The INI-file handle. NIL is ignored.
*/
RTDECL(uint32_t) RTIniFileRelease(RTINIFILE hIniFile);
/**
* Queries a named value in a section.
*
* The first matching value is returned. The matching is by default case
* insensitive.
*
* @returns IPRT status code.
* @retval VERR_NOT_FOUND if section or key not found.
*
* @param hIniFile The INI-file handle.
* @param pszSection The section name. Pass NULL to refer to the
* unsectioned key space at the top of the file.
* @param pszKey The key name.
* @param pszValue Where to return the value.
* @param cbValue Size of the buffer @a pszValue points to.
* @param pcbActual Where to return the actual value size excluding
* terminator on success. On VERR_BUFFER_OVERFLOW this
* will be set to the buffer size needed to hold the
* value, terminator included. Optional.
*/
RTDECL(int) RTIniFileQueryValue(RTINIFILE hIniFile, const char *pszSection, const char *pszKey,
char *pszValue, size_t cbValue, size_t *pcbActual);
/**
* Queries a key-value pair in a section by ordinal.
*
* @returns IPRT status code.
* @retval VERR_NOT_FOUND if the section wasn't found or if it contains no pair
* with the given ordinal value.
*
* @param hIniFile The INI-file handle.
* @param pszSection The section name. Pass NULL to refer to the
* unsectioned key space at the top of the file.
* @param idxPair The pair to fetch (counting from 0).
*
* @param pszKey Where to return the key name.
* @param cbKey Size of the buffer @a pszKey points to.
* @param pcbKeyActual Where to return the actual key size excluding
* terminator on success. On VERR_BUFFER_OVERFLOW this
* will be set to the buffer size needed to hold the
* value, terminator included. Optional.
*
* @param pszValue Where to return the value.
* @param cbValue Size of the buffer @a pszValue points to.
* @param pcbValueActual Where to return the actual value size excluding
* terminator on success. On VERR_BUFFER_OVERFLOW this
* will be set to the buffer size needed to hold the
* value, terminator included. Optional.
*/
RTDECL(int) RTIniFileQueryPair(RTINIFILE hIniFile, const char *pszSection, uint32_t idxPair,
char *pszKey, size_t cbKey, size_t *pcbKeyActual,
char *pszValue, size_t cbValue, size_t *pcbValueActual);
/** @} */
RT_C_DECLS_END
#endif /* !IPRT_INCLUDED_inifile_h */
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