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Diffstat (limited to 'include/VBox/GuestHost/clipboard-helper.h')
| -rw-r--r-- | include/VBox/GuestHost/clipboard-helper.h | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/include/VBox/GuestHost/clipboard-helper.h b/include/VBox/GuestHost/clipboard-helper.h new file mode 100644 index 00000000..97600993 --- /dev/null +++ b/include/VBox/GuestHost/clipboard-helper.h @@ -0,0 +1,250 @@ +/* $Id: clipboard-helper.h $ */ +/** @file + * Shared Clipboard - Some helper function for converting between the various EOLs. + */ + +/* + * Copyright (C) 2006-2023 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 VBOX_INCLUDED_GuestHost_clipboard_helper_h +#define VBOX_INCLUDED_GuestHost_clipboard_helper_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/string.h> + +#include <VBox/GuestHost/SharedClipboard.h> + +/** Constants needed for string conversions done by the Linux/Mac clipboard code. */ +enum +{ + /** In Linux, lines end with a linefeed character. */ + VBOX_SHCL_LINEFEED = 0xa, + /** In Windows, lines end with a carriage return and a linefeed character. */ + VBOX_SHCL_CARRIAGERETURN = 0xd, + /** Little endian "real" UTF-16 strings start with this marker. */ + VBOX_SHCL_UTF16LEMARKER = 0xfeff, + /** Big endian "real" UTF-16 strings start with this marker. */ + VBOX_SHCL_UTF16BEMARKER = 0xfffe +}; + +/** + * Returns the length (in UTF-8 characters) of an UTF-16 string with LF EOL. + * + * @returns VBox status code. + * @param pcwszSrc UTF-16 string to return size for. + * @param cwcSrc Length of the string in RTUTF16 units. + * @param pchLen Where to return the length (in UTF-8 characters). + * Does not include terminator. + */ +int ShClUtf16LFLenUtf8(PCRTUTF16 pcwszSrc, size_t cwcSrc, size_t *pchLen); + +/** + * Returns the length (in UTF-8 characters) of an UTF-16 string with CRLF EOL. + * + * @returns VBox status code. + * @param pcwszSrc UTF-16 string to return size for. + * @param cwcSrc Length of the source string in RTUTF16 units. + * @param pchLen Where to return the length (in UTF-8 characters). + * Does not include terminator. + */ +int ShClUtf16CRLFLenUtf8(PCRTUTF16 pcwszSrc, size_t cwcSrc, size_t *pchLen); + +/** + * Returns the length (in characters) of an UTF-16 string, including terminator. + * + * @returns VBox status code. + * @param pcwszSrc UTF-16 string to return size for. + * @param cwcSrc Length of the source string in RTUTF16 units. + * @param pchLen Where to return the length (in UTF-8 characters). + * Does not include terminator. + */ +int ShClUtf16LenUtf8(PCRTUTF16 pcwszSrc, size_t cwcSrc, size_t *pchLen); + +/** + * Converts an UTF-16 string with LF EOL to an UTF-16 string with CRLF EOL. + * + * @returns VBox status code. + * @param pcwszSrc UTF-16 string to convert. + * @param cwcSrc Size of the string int RTUTF16 units. + * @param pwszDst Buffer to store the converted string to. + * @param cwcDst The size of \a pwszDst in RTUTF16 units. + */ +int ShClConvUtf16LFToCRLF(PCRTUTF16 pcwszSrc, size_t cwcSrc, PRTUTF16 pwszDst, size_t cwcDst); + +/** + * Converts an UTF-16 string with LF EOL to an UTF-16 string with CRLF EOL. + * + * Convenience function which returns the allocated + converted string on success. + * + * @returns VBox status code. + * @param pcwszSrc UTF-16 string to convert. + * @param cwcSrc Size of the string int RTUTF16 units. + * @param ppwszDst Where to return the allocated converted string. Must be free'd by the caller. + * @param pcwDst Where to return the size of the converted string in RTUTF16 units. + * Does not include the terminator. + */ +int ShClConvUtf16LFToCRLFA(PCRTUTF16 pcwszSrc, size_t cwcSrc, PRTUTF16 *ppwszDst, size_t *pcwDst); + +/** + * Converts an UTF-16 string with CRLF EOL to an UTF-16 string with LF EOL. + * + * @returns VBox status code. + * @param pcwszSrc UTF-16 string to convert. + * @param cwcSrc Size of the string in RTUTF16 units. + * @param pwszDst Where to store the converted string to. + * @param cwcDst The size of \a pwszDst in RTUTF16 units. + */ +int ShClConvUtf16CRLFToLF(PCRTUTF16 pcwszSrc, size_t cwcSrc, PRTUTF16 pwszDst, size_t cwcDst); + +/** + * Converts an UTF-16 string with CRLF EOL to UTF-8 LF. + * + * @returns VBox status code. Will return VERR_NO_DATA if no data was converted. + * @param pcwszSrc UTF-16 string to convert. + * @param cbSrc Length of @a pwszSrc (in bytes). + * @param pszBuf Where to write the converted string. + * @param cbBuf The size of the buffer pointed to by @a pszBuf. + * @param pcbLen Where to store the size (in bytes) of the converted string. + * Does not include terminator. + */ +int ShClConvUtf16CRLFToUtf8LF(PCRTUTF16 pcwszSrc, size_t cbSrc, char *pszBuf, size_t cbBuf, size_t *pcbLen); + +/** +* Converts an HTML string from UTF-16 into UTF-8. +* +* @returns VBox status code. +* @param pcwszSrc UTF-16 string to convert. +* @param cwcSrc Length (in RTUTF16 units) of the source text. +* @param ppszDst Where to store the converted result on success. +* @param pcbDst Where to store the number of bytes written. +*/ +int ShClConvUtf16ToUtf8HTML(PCRTUTF16 pcwszSrc, size_t cwcSrc, char **ppszDst, size_t *pcbDst); + +/** + * Converts an UTF-8 string with LF EOL into UTF-16 CRLF. + * + * @returns VBox status code. + * @param pcszSrc UTF-8 string to convert. + * @param cbSrc Size of UTF-8 string to convert (in bytes), not counting the terminating zero. + * @param ppwszDst Where to return the allocated buffer on success. + * @param pcwDst Where to return the size (in RTUTF16 units) of the allocated buffer on success. + * Does not include terminator. + */ +int ShClConvUtf8LFToUtf16CRLF(const char *pcszSrc, size_t cbSrc, PRTUTF16 *ppwszDst, size_t *pcwDst); + +/** + * Converts a Latin-1 string with LF EOL into UTF-16 CRLF. + * + * @returns VBox status code. + * @param pcszSrc UTF-8 string to convert. + * @param cbSrc Size of string (in bytes), not counting the terminating zero. + * @param ppwszDst Where to return the allocated buffer on success. + * @param pcwDst Where to return the size (in RTUTF16 units) of the allocated buffer on success. + * Does not include terminator. + */ +int ShClConvLatin1LFToUtf16CRLF(const char *pcszSrc, size_t cbSrc, PRTUTF16 *ppwszDst, size_t *pcwDst); + +/** + * Convert CF_DIB data to full BMP data by prepending the BM header. + * Allocates with RTMemAlloc. + * + * @returns VBox status code. + * @param pvSrc DIB data to convert + * @param cbSrc Size of the DIB data to convert in bytes + * @param ppvDst Where to store the pointer to the buffer for the + * destination data + * @param pcbDst Pointer to the size of the buffer for the destination + * data in bytes. + */ +int ShClDibToBmp(const void *pvSrc, size_t cbSrc, void **ppvDst, size_t *pcbDst); + +/** + * Get the address and size of CF_DIB data in a full BMP data in the input buffer. + * Does not do any allocation. + * + * @returns VBox status code. + * @param pvSrc BMP data to convert + * @param cbSrc Size of the BMP data to convert in bytes + * @param ppvDst Where to store the pointer to the destination data + * @param pcbDst Pointer to the size of the destination data in bytes + */ +int ShClBmpGetDib(const void *pvSrc, size_t cbSrc, const void **ppvDst, size_t *pcbDst); + +#ifdef LOG_ENABLED +/** + * Dumps HTML data to the debug log. + * + * @returns VBox status code. + * @param pszSrc HTML data to dump. + * @param cbSrc Size (in bytes) of HTML data to dump. + */ +int ShClDbgDumpHtml(const char *pszSrc, size_t cbSrc); + +/** + * Dumps data using a specified clipboard format. + * + * @param pv Pointer to data to dump. + * @param cb Size (in bytes) of data to dump. + * @param u32Format Clipboard format to use for dumping. + */ +void ShClDbgDumpData(const void *pv, size_t cb, SHCLFORMAT u32Format); +#endif /* LOG_ENABLED */ + +/** + * Translates a Shared Clipboard host function number to a string. + * + * @returns Function ID string name. + * @param uFn The function to translate. + */ +const char *ShClHostFunctionToStr(uint32_t uFn); + +/** + * Translates a Shared Clipboard host message enum to a string. + * + * @returns Message ID string name. + * @param uMsg The message to translate. + */ +const char *ShClHostMsgToStr(uint32_t uMsg); + +/** + * Translates a Shared Clipboard guest message enum to a string. + * + * @returns Message ID string name. + * @param uMsg The message to translate. + */ +const char *ShClGuestMsgToStr(uint32_t uMsg); + +char *ShClFormatsToStrA(SHCLFORMATS fFormats); + +#endif /* !VBOX_INCLUDED_GuestHost_clipboard_helper_h */ + |