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/**************************************************************
*
* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
/*******************************************************************
Includes
******************************************************************/
#include "path_helper.hxx"
#include <osl/diagnose.h>
#include <rtl/ustring.hxx>
#include <algorithm>
#include <wchar.h>
#include <wctype.h>
/*******************************************************************
Constants
******************************************************************/
const rtl::OUString BACKSLASH = rtl::OUString::createFromAscii("\\");
const rtl::OUString SLASH = rtl::OUString::createFromAscii("/");
/*******************************************************************
osl_systemPathEnsureSeparator
******************************************************************/
void osl_systemPathEnsureSeparator(/*inout*/ rtl_uString** ppustrPath)
{
OSL_PRECOND(ppustrPath && (NULL != *ppustrPath), \
"osl_systemPathEnsureSeparator: Invalid parameter");
rtl::OUString path(*ppustrPath);
sal_Int32 i = std::max<sal_Int32>(path.lastIndexOf(BACKSLASH), path.lastIndexOf(SLASH));
if (i < (path.getLength()-1))
{
path += BACKSLASH;
rtl_uString_assign(ppustrPath, path.pData);
}
OSL_POSTCOND(path.lastIndexOf(BACKSLASH) == (path.getLength() - 1), \
"osl_systemPathEnsureSeparator: Post condition failed");
}
/*******************************************************************
osl_systemPathRemoveSeparator
******************************************************************/
void SAL_CALL osl_systemPathRemoveSeparator(/*inout*/ rtl_uString** ppustrPath)
{
rtl::OUString path(*ppustrPath);
if (!osl::systemPathIsLogicalDrivePattern(path))
{
sal_Int32 i = std::max<sal_Int32>(path.lastIndexOf(BACKSLASH), path.lastIndexOf(SLASH));
if (i > -1 && (i == (path.getLength() - 1)))
{
path = rtl::OUString(path.getStr(), path.getLength() - 1);
rtl_uString_assign(ppustrPath, path.pData);
}
}
}
/*******************************************************************
osl_is_logical_drive_pattern
******************************************************************/
// is [A-Za-z]:[/|\]\0
const sal_Unicode* LDP = L":";
const sal_Unicode* LDP_WITH_BACKSLASH = L":\\";
const sal_Unicode* LDP_WITH_SLASH = L":/";
// degenerated case returned by the Windows FileOpen dialog
// when someone enters for instance "x:filename", the Win32
// API accepts this case
const sal_Unicode* LDP_WITH_DOT_BACKSLASH = L":.\\";
sal_Int32 osl_systemPathIsLogicalDrivePattern(/*in*/ const rtl_uString* pustrPath)
{
const sal_Unicode* p = rtl_uString_getStr(const_cast<rtl_uString*>(pustrPath));
if (iswalpha(*p++))
{
return ((0 == wcscmp(p, LDP)) ||
(0 == wcscmp(p, LDP_WITH_BACKSLASH)) ||
(0 == wcscmp(p, LDP_WITH_SLASH)) ||
(0 == wcscmp(p, LDP_WITH_DOT_BACKSLASH)));
}
return 0;
}
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