#92631# Implemented system path abbreviation

2 files changed, 163 insertions, 4 deletions

diff --git a/sal/osl/all/filepath.c b/sal/osl/all/filepath.c
new file mode 100644
index 000000000000..b8c84f05a85f
--- /dev/null
+++ b/sal/osl/all/filepath.c
@@ -0,0 +1,157 @@
+/*************************************************************************
+ *
+ *  $RCSfile: filepath.c,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: hro $ $Date: 2001-11-09 10:37:54 $
+ *
+ *  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): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#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 > 3 )
+        {
+            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 + uFileWidth > 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;
+}
+
+
diff --git a/sal/osl/all/makefile.mk b/sal/osl/all/makefile.mk
index a5de2b72752c..d205c8f6f569 100644
--- a/sal/osl/all/makefile.mk
+++ b/sal/osl/all/makefile.mk
@@ -2,9 +2,9 @@
 #
 #   $RCSfile: makefile.mk,v $
 #
-#   $Revision: 1.10 $
+#   $Revision: 1.11 $
 #
-#   last change: $Author: tra $ $Date: 2001-10-24 10:56:09 $
+#   last change: $Author: hro $ $Date: 2001-11-09 10:39:55 $
 #
 #   The Contents of this file are made available subject to the terms of
 #   either of the following licenses
@@ -80,13 +80,15 @@ MULTITHREAD_OBJ=TRUE
 
 SLOFILES=	\
             $(SLO)$/utility.obj\
-            $(SLO)$/readline.obj
+            $(SLO)$/readline.obj\
+            $(SLO)$/filepath.obj
 
 
 #.IF "$(UPDATER)"=="YES"
 OBJFILES=	\
             $(OBJ)$/utility.obj\
-            $(OBJ)$/readline.obj
+            $(OBJ)$/readline.obj\
+            $(OBJ)$/filepath.obj
 #.ENDIF
 
 # --- Targets ------------------------------------------------------