102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: table.hxx,v $
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* $Revision: 1.35 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_sc.hxx"
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// System - Includes -----------------------------------------------------
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#include "stringutil.hxx"
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#include "rtl/ustrbuf.hxx"
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using ::rtl::OUString;
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using ::rtl::OUStringBuffer;
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bool ScStringUtil::parseSimpleNumber(
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const OUString& rStr, sal_Unicode dsep, sal_Unicode gsep, double& rVal)
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{
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OUStringBuffer aBuf;
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sal_Int32 n = rStr.getLength();
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const sal_Unicode* p = rStr.getStr();
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sal_Int32 nPosDSep = -1, nPosGSep = -1;
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for (sal_Int32 i = 0; i < n; ++i)
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{
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sal_Unicode c = p[i];
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if (sal_Unicode('0') <= c && c <= sal_Unicode('9'))
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{
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// this is a digit.
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aBuf.append(c);
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}
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else if (c == dsep)
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{
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// this is a decimal separator.
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if (nPosDSep >= 0)
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// a second decimal separator -> not a valid number.
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return false;
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if (nPosGSep >= 0 && i - nPosGSep != 4)
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// the number has a group separator and the decimal sep is not
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// positioned correctly.
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return false;
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nPosDSep = i;
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aBuf.append(c);
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}
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else if (c == gsep)
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{
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// this is a group (thousand) separator.
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if (i == 0)
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return false;
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if (nPosGSep >= 0 && i - nPosGSep != 4)
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{
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// this group separator is not positioned correctly relative
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// to the last group separator.
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return false;
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}
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nPosGSep = i;
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}
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else if (c == sal_Unicode('-') || c == sal_Unicode('+'))
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{
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// A sign must be the first character if it's given.
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if (i == 0)
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aBuf.append(c);
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else
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return false;
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}
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else
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return false;
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}
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rVal = aBuf.makeStringAndClear().toDouble();
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return true;
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}
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