From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- comm/mailnews/base/src/nsMsgI18N.h | 138 +++++++++++++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 comm/mailnews/base/src/nsMsgI18N.h (limited to 'comm/mailnews/base/src/nsMsgI18N.h') diff --git a/comm/mailnews/base/src/nsMsgI18N.h b/comm/mailnews/base/src/nsMsgI18N.h new file mode 100644 index 0000000000..2268b64e26 --- /dev/null +++ b/comm/mailnews/base/src/nsMsgI18N.h @@ -0,0 +1,138 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef _nsMsgI18N_H_ +#define _nsMsgI18N_H_ + +#include "nscore.h" +#include "msgCore.h" +#include "nsString.h" +class nsIFile; + +/** + * Encode an input string into RFC 2047 form. + * + * @param header [IN] A header to encode. + * @param structured [IN] Specify the header is structured or non-structured + * field (See RFC-822). + * @param charset [IN] Charset name to convert. + * @param fieldnamelen [IN] Header field name length. (e.g. "From: " -> 6) + * @param usemime [IN] If false then apply charset conversion only no MIME + * encoding. + * @return Encoded buffer (in C string) or NULL in case of error. + */ +NS_MSG_BASE char* nsMsgI18NEncodeMimePartIIStr(const char* header, + bool structured, + const char* charset, + int32_t fieldnamelen, + bool usemime); + +/** + * Check if given charset is stateful (e.g. ISO-2022-JP). + * + * @param charset [IN] Charset name. + * @return True if stateful + */ +NS_MSG_BASE bool nsMsgI18Nstateful_charset(const char* charset); + +/** + * Check if given charset is multibyte (e.g. Shift_JIS, Big5). + * + * @param charset [IN] Charset name. + * @return True if multibyte + */ +NS_MSG_BASE bool nsMsgI18Nmultibyte_charset(const char* charset); + +/** + * Check the input (unicode) string is in a range of the given charset after the + * conversion. Note, do not use this for large string (e.g. message body) since + * this actually applies the conversion to the buffer. + * + * @param charset [IN] Charset to be converted. + * @param inString [IN] Input unicode string to be examined. + * @return True if the string can be converted within the charset range. + * False if one or more characters cannot be converted to the + * target charset. + */ +NS_MSG_BASE bool nsMsgI18Ncheck_data_in_charset_range(const char* charset, + const char16_t* inString); +/** + * Convert from unicode to target charset. + * + * @param charset [IN] Charset name. + * @param inString [IN] Unicode string to convert. + * @param outString [OUT] Converted output string. + * @param aReportUencNoMapping [IN] Set encoder to report (instead of using + * replacement char on errors). Set to true + * to receive NS_ERROR_UENC_NOMAPPING when + * that happens. Note that + * NS_ERROR_UENC_NOMAPPING is a success code! + * @return nsresult. + */ +NS_MSG_BASE nsresult nsMsgI18NConvertFromUnicode( + const nsACString& aCharset, const nsAString& inString, + nsACString& outString, bool reportUencNoMapping = false); +/** + * Convert from charset to unicode. + * + * @param charset [IN] Charset name. + * @param inString [IN] Input string to convert. + * @param outString [OUT] Output unicode string. + * @return nsresult. + */ +NS_MSG_BASE nsresult nsMsgI18NConvertToUnicode(const nsACString& aCharset, + const nsACString& inString, + nsAString& outString); +/** + * Parse for META charset. + * + * @param file [IN] A nsIFile. + * @return A charset name or empty string if not found. + */ +NS_MSG_BASE const char* nsMsgI18NParseMetaCharset(nsIFile* file); + +/** + * Shrink the aStr to aMaxLength bytes. Note that this doesn't check whether + * the aUTF8Str is valid UTF-8 string. + * + * @param inString [IN] Input UTF-8 string (it must be valid UTF-8 string) + * @param aMaxLength [IN] Shrink to this length (it means bytes) + * @param outString [OUT] Shrunken UTF-8 string + * @return nsresult + */ +NS_MSG_BASE nsresult nsMsgI18NShrinkUTF8Str(const nsCString& inString, + uint32_t aMaxLength, + nsACString& outString); + +/* + * Convert raw bytes in header to UTF-16 + * + * @param inString [IN] Input raw octets + * @param outString [OUT] Output UTF-16 string + */ +NS_MSG_BASE void nsMsgI18NConvertRawBytesToUTF16(const nsCString& inString, + const nsACString& charset, + nsAString& outString); + +/* + * Convert raw bytes in header to UTF-8 + * + * @param inString [IN] Input raw octets + * @param outString [OUT] Output UTF-8 string + */ +NS_MSG_BASE void nsMsgI18NConvertRawBytesToUTF8(const nsCString& inString, + const nsACString& charset, + nsACString& outString); + +// Decode UTF-7 to UTF-16. No encoding supported. +NS_MSG_BASE nsresult CopyUTF7toUTF16(const nsACString& aSrc, nsAString& aDest); + +// Convert between UTF-16 and modified UTF-7 used for IMAP. +NS_MSG_BASE nsresult CopyFolderNameToUTF16(const nsACString& aSrc, + nsAString& aDest); +NS_MSG_BASE nsresult CopyUTF16toMUTF7(const nsAString& aSrc, nsACString& aDest); +NS_MSG_BASE nsresult CopyMUTF7toUTF16(const nsACString& aSrc, nsAString& aDest); + +#endif /* _nsMsgI18N_H_ */ -- cgit v1.2.3