/* $Id: string.h 109033 2016-07-22 18:27:37Z bird $ */
/** @file
 * IPRT - Internal RTStr header.
 */

/*
 * Copyright (C) 2006-2016 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 ___internal_string_h
#define ___internal_string_h

#include <iprt/string.h>

RT_C_DECLS_BEGIN
/** @def RTSTR_STRICT
 * Enables strict assertions on bad string encodings.
 */
#ifdef DOXYGEN_RUNNING
# define RTSTR_STRICT
#endif
/*#define RTSTR_STRICT*/
#ifdef RTSTR_STRICT
# define RTStrAssertMsgFailed(msg)              AssertMsgFailed(msg)
# define RTStrAssertMsgReturn(expr, msg, rc)    AssertMsgReturn(expr, msg, rc)
#else
# define RTStrAssertMsgFailed(msg)              do { } while (0)
# define RTStrAssertMsgReturn(expr, msg, rc)    do { if (!(expr)) return rc; } while (0)
#endif
DECLHIDDEN(size_t) rtstrFormatRt(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
				 const char **ppszFormat, va_list * pArgs,
				 int cchWidth, int cchPrecision,
				 unsigned fFlags, char chArgSize);
DECLHIDDEN(size_t) rtstrFormatType(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
				   const char **ppszFormat, va_list * pArgs,
				   int cchWidth, int cchPrecision,
				   unsigned fFlags, char chArgSize);

#ifdef RT_WITH_ICONV_CACHE
DECLHIDDEN(void) rtStrIconvCacheInit(struct RTTHREADINT *pThread);
DECLHIDDEN(void) rtStrIconvCacheDestroy(struct RTTHREADINT *pThread);
#endif

/**
 * Indexes into RTTHREADINT::ahIconvs
 */
typedef enum RTSTRICONV {
    /** UTF-8 to the locale codeset (LC_CTYPE). */
	RTSTRICONV_UTF8_TO_LOCALE = 0,
    /** The locale codeset (LC_CTYPE) to UTF-8. */
	RTSTRICONV_LOCALE_TO_UTF8,
    /** UTF-8 to the filesystem codeset - if different from the locale codeset. */
	RTSTRICONV_UTF8_TO_FS,
    /** The filesystem codeset to UTF-8. */
	RTSTRICONV_FS_TO_UTF8,
    /** The end of the valid indexes. */
	RTSTRICONV_END
} RTSTRICONV;

DECLHIDDEN(int) rtStrConvert(const char *pchInput, size_t cchInput,
			     const char *pszInputCS, char **ppszOutput,
			     size_t cbOutput, const char *pszOutputCS,
			     unsigned cFactor, RTSTRICONV enmCacheIdx);
DECLHIDDEN(const char *) rtStrGetLocaleCodeset(void);
DECLHIDDEN(int) rtUtf8Length(const char *psz, size_t cch, size_t * pcuc,
			     size_t * pcchActual);

DECLHIDDEN(int) rtStrToIpAddr6Str(const char *psz, char *pszAddrOut,
				  size_t addrOutSize, char *pszPortOut,
				  size_t portOutSize, bool followRfc);

RT_C_DECLS_END
#endif
