1 files changed, 123 insertions, 0 deletions
diff --git a/sal/osl/all/filepath.c b/sal/osl/all/filepath.c
new file mode 100644
index 000000000000..e9461a538840
--- /dev/null
+++ b/sal/osl/all/filepath.c
@@ -0,0 +1,123 @@
+/*************************************************************************
+ *
+ * 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 <osl/file.h>
+#include <rtl/ustring.h>
+
+static sal_uInt32 SAL_CALL 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 )
+{
+    oslFileError    error = osl_File_E_None;
+    rtl_uString     *ustrPath = NULL;
+    rtl_uString     *ustrFile = NULL;
+    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 );
+        }
+    }
+
+    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 to large */
+
+    uPathWidth += uFileWidth;
+
+    while ( uPathWidth > uMaxWidth )
+    {
+        (*pustrCompacted)->length--;
+        (*pustrCompacted)->buffer[(*pustrCompacted)->length] = 0;
+        uPathWidth = pfnCalcWidth( *pustrCompacted );
+    }
+
+    if ( ustrPath )
+        rtl_uString_release( ustrPath );
+
+    if ( ustrFile )
+        rtl_uString_release( ustrFile );
+
+    return error;
+}
+
+