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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 "reportformula.hxx"
21 :
22 : #include <rtl/ustrbuf.hxx>
23 :
24 : //........................................................................
25 : namespace rptui
26 : {
27 : //........................................................................
28 :
29 : /** === begin UNO using === **/
30 : using ::com::sun::star::uno::Any;
31 : /** === end UNO using === **/
32 :
33 : namespace
34 : {
35 : //----------------------------------------------------------------
36 0 : const ::rtl::OUString& lcl_getExpressionPrefix( sal_Int32* _pTakeLengthOrNull = NULL )
37 : {
38 0 : static ::rtl::OUString s_sPrefix( RTL_CONSTASCII_USTRINGPARAM( "rpt:" ) );
39 0 : if ( _pTakeLengthOrNull )
40 0 : *_pTakeLengthOrNull = s_sPrefix.getLength();
41 0 : return s_sPrefix;
42 : }
43 :
44 : //----------------------------------------------------------------
45 0 : const ::rtl::OUString& lcl_getFieldPrefix( sal_Int32* _pTakeLengthOrNull = NULL )
46 : {
47 0 : static ::rtl::OUString s_sPrefix( RTL_CONSTASCII_USTRINGPARAM( "field:" ) );
48 0 : if ( _pTakeLengthOrNull )
49 0 : *_pTakeLengthOrNull = s_sPrefix.getLength();
50 0 : return s_sPrefix;
51 : }
52 : }
53 :
54 : //====================================================================
55 : //= ReportFormula
56 : //====================================================================
57 : //--------------------------------------------------------------------
58 0 : ReportFormula::ReportFormula( const ::rtl::OUString& _rFormula )
59 0 : :m_eType( Invalid )
60 : {
61 0 : impl_construct( _rFormula );
62 0 : }
63 :
64 : //--------------------------------------------------------------------
65 0 : ReportFormula::ReportFormula( const BindType _eType, const ::rtl::OUString& _rFieldOrExpression )
66 0 : :m_eType( _eType )
67 : {
68 0 : switch ( m_eType )
69 : {
70 : case Expression:
71 : {
72 0 : if ( _rFieldOrExpression.indexOf( lcl_getExpressionPrefix() ) == 0 )
73 0 : m_sCompleteFormula = _rFieldOrExpression;
74 : else
75 0 : m_sCompleteFormula = lcl_getExpressionPrefix() + _rFieldOrExpression;
76 : }
77 0 : break;
78 :
79 : case Field:
80 : {
81 0 : ::rtl::OUStringBuffer aBuffer;
82 0 : aBuffer.append( lcl_getFieldPrefix() );
83 0 : aBuffer.appendAscii( "[" );
84 0 : aBuffer.append( _rFieldOrExpression );
85 0 : aBuffer.appendAscii( "]" );
86 0 : m_sCompleteFormula = aBuffer.makeStringAndClear();
87 : }
88 0 : break;
89 : default:
90 : OSL_FAIL( "ReportFormula::ReportFormula: illegal bind type!" );
91 0 : return;
92 : }
93 :
94 0 : m_sUndecoratedContent = _rFieldOrExpression;
95 : }
96 : //--------------------------------------------------------------------
97 0 : ReportFormula::~ReportFormula()
98 : {
99 0 : }
100 : //--------------------------------------------------------------------
101 0 : void ReportFormula::impl_construct( const ::rtl::OUString& _rFormula )
102 : {
103 0 : m_sCompleteFormula = _rFormula;
104 :
105 0 : sal_Int32 nPrefixLen( -1 );
106 : // is it an ordinary expression?
107 0 : if ( m_sCompleteFormula.indexOf( lcl_getExpressionPrefix( &nPrefixLen ) ) == 0 )
108 : {
109 0 : m_eType = Expression;
110 0 : m_sUndecoratedContent = m_sCompleteFormula.copy( nPrefixLen );
111 : return;
112 : }
113 :
114 : /// does it refer to a field?
115 0 : if ( m_sCompleteFormula.indexOf( lcl_getFieldPrefix( &nPrefixLen ) ) == 0 )
116 : {
117 0 : if ( ( m_sCompleteFormula.getLength() >= nPrefixLen + 2 )
118 0 : && ( m_sCompleteFormula[ nPrefixLen ] == '[' )
119 0 : && ( m_sCompleteFormula[ m_sCompleteFormula.getLength() - 1 ] == ']' )
120 : )
121 : {
122 0 : m_eType = Field;
123 0 : m_sUndecoratedContent = m_sCompleteFormula.copy( nPrefixLen + 1, m_sCompleteFormula.getLength() - nPrefixLen - 2 );
124 : return;
125 : }
126 : }
127 :
128 0 : m_eType = Invalid;
129 : }
130 :
131 : //--------------------------------------------------------------------
132 0 : ::rtl::OUString ReportFormula::getBracketedFieldOrExpression() const
133 : {
134 0 : bool bIsField = ( getType() == Field );
135 0 : ::rtl::OUStringBuffer aFieldContent;
136 0 : if ( bIsField )
137 0 : aFieldContent.appendAscii( "[" );
138 0 : aFieldContent.append( getUndecoratedContent() );
139 0 : if ( bIsField )
140 0 : aFieldContent.appendAscii( "]" );
141 :
142 0 : return aFieldContent.makeStringAndClear();
143 : }
144 : //--------------------------------------------------------------------
145 0 : const ::rtl::OUString& ReportFormula::getUndecoratedContent() const
146 : {
147 0 : return m_sUndecoratedContent;
148 : }
149 0 : const ::rtl::OUString& ReportFormula::getCompleteFormula() const { return m_sCompleteFormula; }
150 0 : bool ReportFormula::isValid() const { return getType() != Invalid; }
151 0 : ReportFormula& ReportFormula::operator=(class ReportFormula const & _rHd)
152 : {
153 0 : if ( this == &_rHd )
154 0 : return *this;
155 0 : m_eType = _rHd.m_eType;
156 0 : m_sCompleteFormula = _rHd.m_sCompleteFormula;
157 0 : m_sUndecoratedContent = _rHd.m_sUndecoratedContent;
158 0 : return *this;
159 : }
160 : //--------------------------------------------------------------------
161 0 : ::rtl::OUString ReportFormula::getEqualUndecoratedContent() const
162 : {
163 0 : ::rtl::OUStringBuffer aBuffer;
164 0 : aBuffer.appendAscii( "=" );
165 0 : aBuffer.append( getUndecoratedContent() );
166 0 : return aBuffer.makeStringAndClear();
167 : }
168 :
169 : //........................................................................
170 : } // namespace rptui
171 : //........................................................................
172 :
173 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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