summaryrefslogtreecommitdiffstats
path: root/fpicker/source/win32/WinImplHelper.cxx
blob: ab1dcbe007a91bebcce21574b8083ea490f8038d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   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 .
 */

#include "WinImplHelper.hxx"

#include <vector>
#include <osl/diagnose.h>
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/uno/Sequence.hxx>

using ::com::sun::star::lang::IllegalArgumentException;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::XInterface;
using ::com::sun::star::uno::Any;
using ::com::sun::star::uno::Sequence;

const OUString TILDE( "~" );
const sal_Unicode   TILDE_SIGN = L'~';
const OUString AMPERSAND( "&" );
const sal_Unicode   AMPERSAND_SIGN = L'&';

// OS NAME          Platform                    Major   Minor

// Windows NT 3.51  VER_PLATFORM_WIN32_NT       3       51
// Windows NT 4.0   VER_PLATFORM_WIN32_NT       4       0
// Windows 2000     VER_PLATFORM_WIN32_NT       5       0
// Windows XP       VER_PLATFORM_WIN32_NT       5       1
// Windows Vista    VER_PLATFORM_WIN32_NT       6       0
// Windows 7        VER_PLATFORM_WIN32_NT       6       1
// Windows 95       VER_PLATFORM_WIN32_WINDOWS  4       0
// Windows 98       VER_PLATFORM_WIN32_WINDOWS  4       10
// Windows ME       VER_PLATFORM_WIN32_WINDOWS  4       90


static void Replace( const OUString& aLabel, sal_Unicode OldChar, sal_Unicode NewChar, OUStringBuffer& aBuffer )
{
    OSL_ASSERT( aLabel.getLength( ) );
    OSL_ASSERT( aBuffer.getCapacity( ) >= (aLabel.getLength( )) );

    sal_Int32 i = 0;
    const sal_Unicode* pCurrent  = aLabel.getStr( );
    const sal_Unicode* pNext     = aLabel.getStr( ) + 1;
    const sal_Unicode* pEnd      = aLabel.getStr( ) + aLabel.getLength( );

    while( pCurrent < pEnd )
    {
        OSL_ASSERT( pNext <= pEnd );
        OSL_ASSERT( (i >= 0) && (i < aBuffer.getCapacity( )) );

        if ( OldChar == *pCurrent )
        {
            if ( OldChar == *pNext )
            {
                // two OldChars in line will
                // be replaced by one
                // e.g. ~~ -> ~
                aBuffer.insert( i, *pCurrent );

                // skip the next one
                pCurrent++;
                pNext++;
            }
            else
            {
                // one OldChar will be replace
                // by NexChar
                aBuffer.insert( i, NewChar );
            }
        }
        else if ( *pCurrent == NewChar )
        {
            // a NewChar will be replaced by
             // two NewChars
             // e.g. & -> &&
            aBuffer.insert( i++, *pCurrent );
            aBuffer.insert( i, *pCurrent );
        }
        else
        {
            aBuffer.insert( i, *pCurrent );
        }

        pCurrent++;
        pNext++;
        i++;
    }
}

// converts a soffice label to a windows label
// the following rules for character replacements
// will be done:
// '~'  -> '&'
// '~~' -> '~'
// '&'  -> '&&'

OUString SOfficeToWindowsLabel( const OUString& aSOLabel )
{
    OUString aWinLabel = aSOLabel;

    if ( (aWinLabel.indexOf( TILDE ) > -1) || (aWinLabel.indexOf( AMPERSAND ) > -1) )
    {
        sal_Int32 nStrLen = aWinLabel.getLength( );

        // in the worst case the new string is
        // doubled in length, maybe some waste
        // of memory but how long is a label
        // normally(?)
        OUStringBuffer aBuffer( nStrLen * 2 );

        Replace( aWinLabel, TILDE_SIGN, AMPERSAND_SIGN, aBuffer );

        aWinLabel = aBuffer.makeStringAndClear( );
    }

    return aWinLabel;
}

// converts a windows label to a soffice label
// the following rules for character replacements
// will be done:
// '&'  -> '~'
// '&&' -> '&'
// '~'  -> '~~'

OUString WindowsToSOfficeLabel( const OUString& aWinLabel )
{
    OUString aSOLabel = aWinLabel;

    if ( (aSOLabel.indexOf( TILDE ) > -1) || (aSOLabel.indexOf( AMPERSAND ) > -1) )
    {
        sal_Int32 nStrLen = aSOLabel.getLength( );

        // in the worst case the new string is
        // doubled in length, maybe some waste
        // of memory but how long is a label
        // normally(?)
        OUStringBuffer aBuffer( nStrLen * 2 );

        Replace( aSOLabel, AMPERSAND_SIGN, TILDE_SIGN, aBuffer );

        aSOLabel = aBuffer.makeStringAndClear( );
    }

    return aSOLabel;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */