diff options
Diffstat (limited to 'sal/textenc/converter.c')
| -rw-r--r-- | sal/textenc/converter.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/sal/textenc/converter.c b/sal/textenc/converter.c new file mode 100644 index 000000000000..07c1e04c9ba3 --- /dev/null +++ b/sal/textenc/converter.c @@ -0,0 +1,167 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#include "converter.h" +#include "tenchelp.h" +#include "unichars.h" +#include "rtl/textcvt.h" +#include "sal/types.h" + +ImplBadInputConversionAction ImplHandleBadInputTextToUnicodeConversion( + sal_Bool bUndefined, sal_Bool bMultiByte, sal_Char cByte, sal_uInt32 nFlags, + sal_Unicode ** pDestBufPtr, sal_Unicode * pDestBufEnd, sal_uInt32 * pInfo) +{ + *pInfo |= bUndefined + ? (bMultiByte + ? RTL_TEXTTOUNICODE_INFO_MBUNDEFINED + : RTL_TEXTTOUNICODE_INFO_UNDEFINED) + : RTL_TEXTTOUNICODE_INFO_INVALID; + switch (nFlags + & (bUndefined + ? (bMultiByte + ? RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_MASK + : RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MASK) + : RTL_TEXTTOUNICODE_FLAGS_INVALID_MASK)) + { + case RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR: + case RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR: + case RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR: + *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR; + return IMPL_BAD_INPUT_STOP; + + case RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_IGNORE: + case RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_IGNORE: + case RTL_TEXTTOUNICODE_FLAGS_INVALID_IGNORE: + return IMPL_BAD_INPUT_CONTINUE; + + case RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MAPTOPRIVATE: + if (*pDestBufPtr != pDestBufEnd) + { + *(*pDestBufPtr)++ = RTL_TEXTCVT_BYTE_PRIVATE_START + | ((sal_uChar) cByte); + return IMPL_BAD_INPUT_CONTINUE; + } + else + return IMPL_BAD_INPUT_NO_OUTPUT; + + default: /* RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_DEFAULT, + RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_DEFAULT, + RTL_TEXTTOUNICODE_FLAGS_INVALID_DEFAULT */ + if (*pDestBufPtr != pDestBufEnd) + { + *(*pDestBufPtr)++ = RTL_TEXTENC_UNICODE_REPLACEMENT_CHARACTER; + return IMPL_BAD_INPUT_CONTINUE; + } + else + return IMPL_BAD_INPUT_NO_OUTPUT; + } +} + +ImplBadInputConversionAction +ImplHandleBadInputUnicodeToTextConversion(sal_Bool bUndefined, + sal_uInt32 nUtf32, + sal_uInt32 nFlags, + sal_Char ** pDestBufPtr, + sal_Char * pDestBufEnd, + sal_uInt32 * pInfo, + sal_Char const * pPrefix, + sal_Size nPrefixLen, + sal_Bool * pPrefixWritten) +{ + /* TODO! RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACE + RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACESTR */ + + sal_Char cReplace; + + if (bUndefined) + { + if (ImplIsControlOrFormat(nUtf32)) + { + if ((nFlags & RTL_UNICODETOTEXT_FLAGS_CONTROL_IGNORE) != 0) + nFlags = RTL_UNICODETOTEXT_FLAGS_UNDEFINED_IGNORE; + } + else if (ImplIsPrivateUse(nUtf32)) + { + if ((nFlags & RTL_UNICODETOTEXT_FLAGS_PRIVATE_IGNORE) != 0) + nFlags = RTL_UNICODETOTEXT_FLAGS_UNDEFINED_IGNORE; + else if ((nFlags & RTL_UNICODETOTEXT_FLAGS_PRIVATE_MAPTO0) != 0) + nFlags = RTL_UNICODETOTEXT_FLAGS_UNDEFINED_0; + } + else if (ImplIsZeroWidth(nUtf32)) + { + if ((nFlags & RTL_UNICODETOTEXT_FLAGS_NONSPACING_IGNORE) != 0) + nFlags = RTL_UNICODETOTEXT_FLAGS_UNDEFINED_IGNORE; + } + } + *pInfo |= bUndefined ? RTL_UNICODETOTEXT_INFO_UNDEFINED : + RTL_UNICODETOTEXT_INFO_INVALID; + switch (nFlags & (bUndefined ? RTL_UNICODETOTEXT_FLAGS_UNDEFINED_MASK : + RTL_UNICODETOTEXT_FLAGS_INVALID_MASK)) + { + case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR: + case RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR: + *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR; + return IMPL_BAD_INPUT_STOP; + + case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_IGNORE: + case RTL_UNICODETOTEXT_FLAGS_INVALID_IGNORE: + if (pPrefixWritten) + *pPrefixWritten = sal_False; + return IMPL_BAD_INPUT_CONTINUE; + + case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_0: + case RTL_UNICODETOTEXT_FLAGS_INVALID_0: + cReplace = 0; + break; + + case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_QUESTIONMARK: + case RTL_UNICODETOTEXT_FLAGS_INVALID_QUESTIONMARK: + default: /* RTL_UNICODETOTEXT_FLAGS_UNDEFINED_DEFAULT, + RTL_UNICODETOTEXT_FLAGS_INVALID_DEFAULT */ + cReplace = '?'; + break; + + case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_UNDERLINE: + case RTL_UNICODETOTEXT_FLAGS_INVALID_UNDERLINE: + cReplace = '_'; + break; + } + if ((sal_Size) (pDestBufEnd - *pDestBufPtr) > nPrefixLen) + { + while (nPrefixLen-- > 0) + *(*pDestBufPtr)++ = *pPrefix++; + *(*pDestBufPtr)++ = cReplace; + if (pPrefixWritten) + *pPrefixWritten = sal_True; + return IMPL_BAD_INPUT_CONTINUE; + } + else + return IMPL_BAD_INPUT_NO_OUTPUT; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |