cli_ure/source/mono_bridge/rtl_ustring.cs

   1 /*************************************************************************
   2  *
   3  *  $RCSfile: $
   4  *
   5  *  $Revision: $
   6  *
   7  *  last change: $Author: $ $Date: $
   8  *
   9  *  The Contents of this file are made available subject to the terms of
  10  *  either of the following licenses
  11  *
  12  *         - GNU Lesser General Public License Version 2.1
  13  *         - Sun Industry Standards Source License Version 1.1
  14  *
  15  *  Sun Microsystems Inc., October, 2000
  16  *
  17  *  GNU Lesser General Public License Version 2.1
  18  *  =============================================
  19  *  Copyright 2000 by Sun Microsystems, Inc.
  20  *  901 San Antonio Road, Palo Alto, CA 94303, USA
  21  *
  22  *  This library is free software; you can redistribute it and/or
  23  *  modify it under the terms of the GNU Lesser General Public
  24  *  License version 2.1, as published by the Free Software Foundation.
  25  *
  26  *  This library is distributed in the hope that it will be useful,
  27  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  28  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  29  *  Lesser General Public License for more details.
  30  *
  31  *  You should have received a copy of the GNU Lesser General Public
  32  *  License along with this library; if not, write to the Free Software
  33  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  34  *  MA  02111-1307  USA
  35  *
  36  *
  37  *  Sun Industry Standards Source License Version 1.1
  38  *  =================================================
  39  *  The contents of this file are subject to the Sun Industry Standards
  40  *  Source License Version 1.1 (the "License"); You may not use this file
  41  *  except in compliance with the License. You may obtain a copy of the
  42  *  License at http://www.openoffice.org/license.html.
  43  *
  44  *  Software provided under this License is provided on an "AS IS" basis,
  45  *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
  46  *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
  47  *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
  48  *  See the License for the specific provisions governing your rights and
  49  *  obligations concerning the Software.
  50  *
  51  *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
  52  *
  53  *  Copyright: 2000 by Sun Microsystems, Inc.
  54  *
  55  *  All Rights Reserved.
  56  *
  57  *  Contributor(s): _______________________________________
  58  *
  59  *
  60  ************************************************************************/
  61
  62 namespace uno.rtl {
  63
  64 using System;
  65 using System.Runtime.InteropServices;
  66 using System.Text;
  67
  68 public unsafe struct UString
  69 {
  70     public int RefCount;
  71     public int Length;
  72     public char FirstChar;
  73
  74     [DllImport("sal")]
  75     private static extern void rtl_uString_acquire(void* data);
  76
  77     [DllImport("sal")]
  78     private static unsafe extern void rtl_uString_release(void* data);
  79
  80     [DllImport("sal")]
  81     private static unsafe extern void rtl_uString_new(void* data);
  82
  83     [DllImport("sal")]
  84     private static unsafe extern void rtl_uString_newFromStr_WithLength(
  85         void* data,
  86         // this should pass a pointer to the original string's char[]
  87         [MarshalAs(UnmanagedType.LPWStr)] string value,
  88         int len);
  89
  90     [DllImport("sal")]
  91     private static unsafe extern void rtl_uString_newFromStr_WithLength(
  92         void* data,
  93         // this should pass a pointer to the stringbuilder's internal char[]
  94         [MarshalAs(UnmanagedType.LPWStr)] StringBuilder buffer,
  95         int len);
  96
  97     public static unsafe void Acquire(UString* us)
  98     {
  99         rtl_uString_acquire(us);
 100     }
 101
 102     public static unsafe void Release(UString* us)
 103     {
 104         rtl_uString_release(us);
 105     }
 106
 107     public static unsafe void New(UString** p)
 108     {
 109         rtl_uString_new(p);
 110     }
 111
 112     public static unsafe void NewFromString(UString **p, string s)
 113     {
 114         rtl_uString_newFromStr_WithLength(p, s, s.Length);
 115     }
 116
 117     public static unsafe void NewFromStringBuilder(UString **p, StringBuilder sb)
 118     {
 119         rtl_uString_newFromStr_WithLength(p, sb, sb.Length);
 120     }
 121
 122     public static unsafe string UStringToString(UString *p)
 123     {
 124         return new String(&(p->FirstChar), 0, p->Length);
 125     }
 126 }
 127
 128 // FIXME move this to its own file or rename this file to e.g. sal
 129 public unsafe struct Mem
 130 {
 131     // FIXME parameter is a sal_Size which is unsigned and has the
 132     // size of a native long.  Thus this is not 64bit safe.  Might have
 133     // to write a glue function that always takes 32bit.
 134     [DllImport("sal", EntryPoint="rtl_allocateMemory")]
 135         public static unsafe extern void *Allocate(int bytes);
 136 }
 137
 138 }