INTEGRATION: CWS sal02 (1.1.2); FILE ADDED

2003/03/20 12:10:58 tra 1.1.2.1: #88865#added some path helper functions

1 files changed, 157 insertions, 0 deletions

diff --git a/sal/osl/w32/path_helper.cxx b/sal/osl/w32/path_helper.cxx
new file mode 100644
index 000000000000..ba895e74ed23
--- /dev/null
+++ b/sal/osl/w32/path_helper.cxx
@@ -0,0 +1,157 @@
+/*************************************************************************
+ *
+ *  $RCSfile: path_helper.cxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: rt $ $Date: 2003-04-08 15:50:32 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *    GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library 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 for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+/*******************************************************************
+ Includes
+ ******************************************************************/
+
+#ifndef _PATH_HELPER_HXX_
+#include "path_helper.hxx"
+#endif
+
+#ifndef _OSL_DIAGNOSE_H_
+#include <osl/diagnose.h>
+#endif
+
+#ifndef _RTL_OUSTRING_HXX_
+#include <rtl/ustring.hxx>
+#endif
+
+#include <algorithm>
+#include <wchar.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;
+}
+
+