summaryrefslogtreecommitdiff
path: root/sc/source/core/tool/reffind.cxx
blob: 461ce92f42b1e9cbb800f1f1c0e741ad2f54e8a1 (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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * 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.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"



// INCLUDE ---------------------------------------------------------------

#include <string.h>

#include "reffind.hxx"
#include "global.hxx"
#include "compiler.hxx"
#include "document.hxx"

// STATIC DATA -----------------------------------------------------------

//	incl. Doppelpunkt -> Doppelte Referenzen werden einzeln behandelt
const sal_Unicode __FAR_DATA ScRefFinder::pDelimiters[] = {
    '=','(',')','+','-','*','/','^','&',' ','{','}','<','>',':', 0
};

// =======================================================================

inline BOOL IsText( sal_Unicode c )
{
    bool bFound = ScGlobal::UnicodeStrChr( ScRefFinder::pDelimiters, c );
    if (bFound)
        // This is one of delimiters, therefore not text.
        return false;

    // argument separator is configurable.
    const sal_Unicode sep = ScCompiler::GetNativeSymbol(ocSep).GetChar(0);
    return c != sep;
}

inline BOOL IsText( BOOL& bQuote, sal_Unicode c )
{
    if ( c == '\'' )
    {
        bQuote = !bQuote;
        return TRUE;
    }
    if ( bQuote )
        return TRUE;
    return IsText( c );
}

ScRefFinder::ScRefFinder(const String& rFormula, ScDocument* pDocument,
             formula::FormulaGrammar::AddressConvention eConvP) :
    aFormula( rFormula ),
    eConv( eConvP ),
    pDoc( pDocument )
{
    nSelStart = nSelEnd = nFound = 0;
}

ScRefFinder::~ScRefFinder()
{
}

USHORT lcl_NextFlags( USHORT nOld )
{
    USHORT nNew = nOld & 7;					// die drei Abs-Flags
    nNew = ( nNew - 1 ) & 7;				// weiterzaehlen

    if (!(nOld & SCA_TAB_3D))
        nNew &= ~SCA_TAB_ABSOLUTE;			// nicht 3D -> nie absolut!

    return ( nOld & 0xfff8 ) | nNew;
}

void ScRefFinder::ToggleRel( xub_StrLen nStartPos, xub_StrLen nEndPos )
{
    xub_StrLen nLen = aFormula.Len();
    if (!nLen)
        return;
    const sal_Unicode* pSource = aFormula.GetBuffer();		// fuer schnellen Zugriff

    //	Selektion erweitern, und statt Selektion Start- und Endindex

    if ( nEndPos < nStartPos )
    {
        xub_StrLen nTemp = nStartPos; nStartPos = nEndPos; nEndPos = nTemp;
    }
    while (nStartPos > 0 && IsText(pSource[nStartPos - 1]) )
        --nStartPos;
    if (nEndPos)
        --nEndPos;
    while (nEndPos+1 < nLen && IsText(pSource[nEndPos + 1]) )
        ++nEndPos;

    String aResult;
    String aExpr;
    String aSep;
    ScAddress aAddr;
    nFound = 0;

    xub_StrLen nLoopStart = nStartPos;
    while ( nLoopStart <= nEndPos )
    {
        //	Formel zerlegen

        xub_StrLen nEStart = nLoopStart;
        while ( nEStart <= nEndPos && !IsText(pSource[nEStart]) )
            ++nEStart;

        BOOL bQuote = FALSE;
        xub_StrLen nEEnd = nEStart;
        while ( nEEnd <= nEndPos && IsText(bQuote,pSource[nEEnd]) )
            ++nEEnd;

        aSep  = aFormula.Copy( nLoopStart, nEStart-nLoopStart );
        aExpr = aFormula.Copy( nEStart, nEEnd-nEStart );

        //	Test, ob aExpr eine Referenz ist

        USHORT nResult = aAddr.Parse( aExpr, pDoc, pDoc->GetAddressConvention() );
        if ( nResult & SCA_VALID )
        {
            USHORT nFlags = lcl_NextFlags( nResult );
            aAddr.Format( aExpr, nFlags, pDoc, pDoc->GetAddressConvention() );

            xub_StrLen nAbsStart = nStartPos+aResult.Len()+aSep.Len();

            if (!nFound)							// erste Referenz ?
                nSelStart = nAbsStart;
            nSelEnd = nAbsStart+aExpr.Len();		// Selektion, keine Indizes
            ++nFound;
        }

        //	zusammenbauen

        aResult += aSep;
        aResult += aExpr;

        nLoopStart = nEEnd;
    }

    String aTotal = aFormula.Copy( 0, nStartPos );
    aTotal += aResult;
    aTotal += aFormula.Copy( nEndPos+1 );

    aFormula = aTotal;
}




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