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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /sal/osl/all/filepath.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | sal/osl/all/filepath.cxx | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/sal/osl/all/filepath.cxx b/sal/osl/all/filepath.cxx new file mode 100644 index 000000000..afba01739 --- /dev/null +++ b/sal/osl/all/filepath.cxx @@ -0,0 +1,113 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * 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/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <osl/file.h> +#include <rtl/ustring.h> +#include <cassert> + +static sal_uInt32 osl_defCalcTextWidth( rtl_uString *ustrText ) +{ + return ustrText ? ustrText->length : 0; +} + +oslFileError SAL_CALL osl_abbreviateSystemPath( rtl_uString *ustrSystemPath, rtl_uString **pustrCompacted, sal_uInt32 uMaxWidth, oslCalcTextWidthFunc pfnCalcWidth ) +{ + rtl_uString *ustrPath = nullptr; + rtl_uString *ustrFile = nullptr; + sal_uInt32 uPathWidth, uFileWidth; + + if ( !pfnCalcWidth ) + pfnCalcWidth = osl_defCalcTextWidth; + + { + sal_Int32 iLastSlash = rtl_ustr_lastIndexOfChar_WithLength( ustrSystemPath->buffer, ustrSystemPath->length, SAL_PATHDELIMITER ); + + if ( iLastSlash >= 0 ) + { + rtl_uString_newFromStr_WithLength( &ustrPath, ustrSystemPath->buffer, iLastSlash ); + rtl_uString_newFromStr_WithLength( &ustrFile, &ustrSystemPath->buffer[iLastSlash], ustrSystemPath->length - iLastSlash ); + } + else + { + rtl_uString_new( &ustrPath ); + rtl_uString_newFromString( &ustrFile, ustrSystemPath ); + } + } + + assert(ustrPath && ustrFile); + + uPathWidth = pfnCalcWidth( ustrPath ); + uFileWidth = pfnCalcWidth( ustrFile ); + + /* First abbreviate the directory component of the path */ + + while ( uPathWidth + uFileWidth > uMaxWidth ) + { + if ( ustrPath->length > 3 ) + { + ustrPath->length--; + ustrPath->buffer[ustrPath->length-3] = '.'; + ustrPath->buffer[ustrPath->length-2] = '.'; + ustrPath->buffer[ustrPath->length-1] = '.'; + ustrPath->buffer[ustrPath->length] = 0; + + uPathWidth = pfnCalcWidth( ustrPath ); + } + else + break; + } + + /* Now abbreviate file component */ + + while ( uPathWidth + uFileWidth > uMaxWidth ) + { + if ( ustrFile->length > 4 ) + { + ustrFile->length--; + ustrFile->buffer[ustrFile->length-3] = '.'; + ustrFile->buffer[ustrFile->length-2] = '.'; + ustrFile->buffer[ustrFile->length-1] = '.'; + ustrFile->buffer[ustrFile->length] = 0; + + uFileWidth = pfnCalcWidth( ustrFile ); + } + else + break; + } + + rtl_uString_newConcat( pustrCompacted, ustrPath, ustrFile ); + + /* Event now if path was compacted to ".../..." it can be too large */ + + uPathWidth += uFileWidth; + + while ( uPathWidth > uMaxWidth ) + { + (*pustrCompacted)->length--; + (*pustrCompacted)->buffer[(*pustrCompacted)->length] = 0; + uPathWidth = pfnCalcWidth( *pustrCompacted ); + } + + rtl_uString_release(ustrPath); + rtl_uString_release(ustrFile); + + return osl_File_E_None; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |