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Diffstat (limited to 'include/iprt/inifile.h')
| -rw-r--r-- | include/iprt/inifile.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/include/iprt/inifile.h b/include/iprt/inifile.h new file mode 100644 index 00000000..bc784bc5 --- /dev/null +++ b/include/iprt/inifile.h @@ -0,0 +1,150 @@ +/* $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 */ + |