LibreOffice Module oox (master)  1
containerhelper.cxx
Go to the documentation of this file.
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 <algorithm>
21 
23 
24 #include <com/sun/star/container/XNameContainer.hpp>
25 #include <osl/diagnose.h>
26 
27 namespace oox {
28 
29 using namespace ::com::sun::star::container;
30 using namespace ::com::sun::star::lang;
31 using namespace ::com::sun::star::uno;
32 
33 namespace {
34 
35 struct ValueRangeComp
36 {
37  bool operator()( const ValueRange& rLHS, const ValueRange& rRHS ) const
38  {
39  return rLHS.mnLast < rRHS.mnFirst;
40  }
41 };
42 
43 } // namespace
44 
45 void ValueRangeSet::insert( const ValueRange& rRange )
46 {
47  // find the first range that contains or follows the starting point of the passed range
48  ValueRangeVector::iterator aBeg = maRanges.begin();
49  ValueRangeVector::iterator aEnd = maRanges.end();
50  ValueRangeVector::iterator aIt = ::std::lower_bound( aBeg, aEnd, rRange, ValueRangeComp() );
51  // nothing to do if found range contains passed range
52  if( (aIt != aEnd) && aIt->contains( rRange ) ) return;
53  // check if previous range can be used to merge with the passed range
54  if( (aIt != aBeg) && ((aIt - 1)->mnLast + 1 == rRange.mnFirst) ) --aIt;
55  // check if current range (aIt) can be used to merge with passed range
56  if( (aIt != aEnd) && aIt->intersects( rRange ) )
57  {
58  // set new start value to existing range
59  aIt->mnFirst = ::std::min( aIt->mnFirst, rRange.mnFirst );
60  // search first range that cannot be merged anymore (aNext)
61  ValueRangeVector::iterator aNext = aIt + 1;
62  while( (aNext != aEnd) && aNext->intersects( rRange ) ) ++aNext;
63  // set new end value to existing range
64  aIt->mnLast = ::std::max( (aNext - 1)->mnLast, rRange.mnLast );
65  // remove ranges covered by new existing range (aIt)
66  maRanges.erase( aIt + 1, aNext );
67  }
68  else
69  {
70  // merging not possible: insert new range
71  maRanges.insert( aIt, rRange );
72  }
73 }
74 
76  const Reference< XNameAccess >& rxNameAccess, const OUString& rSuggestedName,
77  sal_Unicode cSeparator )
78 {
79  OSL_ENSURE( rxNameAccess.is(), "ContainerHelper::getUnusedName - missing XNameAccess interface" );
80 
81  OUString aNewName = rSuggestedName;
82  sal_Int32 nIndex = -1;
83  while( rxNameAccess->hasByName( aNewName ) )
84  aNewName = rSuggestedName + OUStringChar(cSeparator) + OUString::number( nIndex++ );
85  return aNewName;
86 }
87 
89  const Reference< XNameContainer >& rxNameContainer,
90  const OUString& rName, const Any& rObject )
91 {
92  OSL_ENSURE( rxNameContainer.is(), "ContainerHelper::insertByName - missing XNameContainer interface" );
93  bool bRet = false;
94  try
95  {
96  if( rxNameContainer->hasByName( rName ) )
97  rxNameContainer->replaceByName( rName, rObject );
98  else
99  rxNameContainer->insertByName( rName, rObject );
100  bRet = true;
101  }
102  catch( Exception& )
103  {
104  }
105  OSL_ENSURE( bRet, "ContainerHelper::insertByName - cannot insert object" );
106  return bRet;
107 }
108 
110  const Reference< XNameContainer >& rxNameContainer,
111  const OUString& rSuggestedName, sal_Unicode cSeparator,
112  const Any& rObject )
113 {
114  OSL_ENSURE( rxNameContainer.is(), "ContainerHelper::insertByUnusedName - missing XNameContainer interface" );
115 
116  // find an unused name
117  OUString aNewName = getUnusedName( rxNameContainer, rSuggestedName, cSeparator );
118 
119  // insert the new object and return its resulting name
120  insertByName( rxNameContainer, aNewName, rObject );
121  return aNewName;
122 }
123 
124 } // namespace oox
125 
126 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
sal_Int32 nIndex
sal_uInt16 sal_Unicode
static OUString insertByUnusedName(const css::uno::Reference< css::container::XNameContainer > &rxNameContainer, const OUString &rSuggestedName, sal_Unicode cSeparator, const css::uno::Any &rObject)
Inserts an object into a name container.
static bool insertByName(const css::uno::Reference< css::container::XNameContainer > &rxNameContainer, const OUString &rName, const css::uno::Any &rObject)
Inserts an object into a name container.
ValueRangeVector maRanges
static OUString getUnusedName(const css::uno::Reference< css::container::XNameAccess > &rxNameAccess, const OUString &rSuggestedName, sal_Unicode cSeparator)
Returns a name that is not used in the passed name container.
void insert(const ValueRange &rRange)
Inserts the passed value range into the range list.
A range of signed 32-bit integer values.