1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20 #include <com/sun/star/uno/Sequence.hxx>
21
22 #include <unitconv.hxx>
23 #include <global.hxx>
24 #include <optutil.hxx>
25
26 using namespace utl;
27 using namespace com::sun::star::uno;
28
29 const sal_Unicode cDelim = 0x01; // delimiter between From and To
30
31 // ScUnitConverterData
ScUnitConverterData(std::u16string_view rFromUnit,std::u16string_view rToUnit,double fValue)32 ScUnitConverterData::ScUnitConverterData(
33 std::u16string_view rFromUnit, std::u16string_view rToUnit, double fValue ) :
34 maIndexString(BuildIndexString(rFromUnit, rToUnit)),
35 mfValue(fValue) {}
36
BuildIndexString(std::u16string_view rFromUnit,std::u16string_view rToUnit)37 OUString ScUnitConverterData::BuildIndexString(
38 std::u16string_view rFromUnit, std::u16string_view rToUnit )
39 {
40 return rFromUnit + OUStringChar(cDelim) + rToUnit;
41 }
42
43 // ScUnitConverter
44 #define CFGPATH_UNIT "Office.Calc/UnitConversion"
45 #define CFGSTR_UNIT_FROM "FromUnit"
46 #define CFGSTR_UNIT_TO "ToUnit"
47 #define CFGSTR_UNIT_FACTOR "Factor"
48
ScUnitConverter()49 ScUnitConverter::ScUnitConverter()
50 {
51 // read from configuration - "convert.ini" is no longer used
52 //TODO: config item as member to allow change of values
53
54 ScLinkConfigItem aConfigItem( CFGPATH_UNIT );
55
56 // empty node name -> use the config item's path itself
57 const Sequence<OUString> aNodeNames = aConfigItem.GetNodeNames( "" );
58
59 tools::Long nNodeCount = aNodeNames.getLength();
60 if ( !nNodeCount )
61 return;
62
63 Sequence<OUString> aValNames( nNodeCount * 3 );
64 OUString* pValNameArray = aValNames.getArray();
65 const OUString sSlash('/');
66
67 tools::Long nIndex = 0;
68 for (const OUString& rNode : aNodeNames)
69 {
70 OUString sPrefix = rNode + sSlash;
71
72 pValNameArray[nIndex++] = sPrefix + CFGSTR_UNIT_FROM;
73 pValNameArray[nIndex++] = sPrefix + CFGSTR_UNIT_TO;
74 pValNameArray[nIndex++] = sPrefix + CFGSTR_UNIT_FACTOR;
75 }
76
77 Sequence<Any> aProperties = aConfigItem.GetProperties(aValNames);
78
79 if (aProperties.getLength() != aValNames.getLength())
80 return;
81
82 const Any* pProperties = aProperties.getConstArray();
83
84 OUString sFromUnit;
85 OUString sToUnit;
86 double fFactor = 0;
87
88 nIndex = 0;
89 for (tools::Long i=0; i<nNodeCount; i++)
90 {
91 pProperties[nIndex++] >>= sFromUnit;
92 pProperties[nIndex++] >>= sToUnit;
93 pProperties[nIndex++] >>= fFactor;
94
95 ScUnitConverterData aNew(sFromUnit, sToUnit, fFactor);
96 OUString const aIndex = aNew.GetIndexString();
97 maData.insert(std::make_pair(aIndex, aNew));
98 }
99 }
100
~ScUnitConverter()101 ScUnitConverter::~ScUnitConverter() {}
102
GetValue(double & fValue,std::u16string_view rFromUnit,std::u16string_view rToUnit) const103 bool ScUnitConverter::GetValue(
104 double& fValue, std::u16string_view rFromUnit, std::u16string_view rToUnit ) const
105 {
106 OUString aIndex = ScUnitConverterData::BuildIndexString(rFromUnit, rToUnit);
107 MapType::const_iterator it = maData.find(aIndex);
108 if (it == maData.end())
109 {
110 fValue = 1.0;
111 return false;
112 }
113
114 fValue = it->second.GetValue();
115 return true;
116 }
117
118 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
119