comphelper/source/xml/attributelist.cxx

   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 <comphelper/attributelist.hxx>
  21
  22 #include <algorithm>
  23 #include <cassert>
  24
  25 using namespace com::sun::star;
  26
  27
  28 namespace comphelper {
  29
  30 OUString SAL_CALL AttributeList::getValueByName(const OUString& sName)
  31 {
  32     for (auto const& attribute : mAttributes)
  33     {
  34         if( attribute.sName == sName ) {
  35             return attribute.sValue;
  36         }
  37     }
  38     return OUString();
  39 }
  40
  41 AttributeList::AttributeList()
  42 {
  43     // performance improvement during adding
  44     mAttributes.reserve(20);
  45 }
  46
  47 AttributeList::AttributeList(const uno::Reference< xml::sax::XAttributeList>& rAttrList)
  48 {
  49     if (AttributeList* pImpl = dynamic_cast<AttributeList*>(rAttrList.get()))
  50         mAttributes = pImpl->mAttributes;
  51     else
  52         AppendAttributeList(rAttrList);
  53 }
  54
  55 AttributeList::~AttributeList()
  56 {
  57 }
  58
  59 css::uno::Reference< css::util::XCloneable > AttributeList::createClone()
  60 {
  61     return new AttributeList( *this );
  62 }
  63
  64 void AttributeList::AddAttribute(const OUString& sName, const OUString& sValue)
  65 {
  66     assert(!sName.isEmpty() && "empty attribute name is invalid");
  67     // Either it's 'namespace_prefix:attribute_name',
  68     // or as in XMLNamespaces::applyNSToAttributeName, it's 'namespace:full:uri^attribute_name'.
  69     assert((std::count(sName.getStr(), sName.getStr() + sName.getLength(), u':') <= 1
  70             || std::count(sName.getStr(), sName.getStr() + sName.getLength(), u'^') == 1)
  71            && "too many colons");
  72     // TODO: this assertion fails in tests!
  73 //    assert(std::none_of(mAttributes.begin(), mAttributes.end(),
  74 //                        [&sName](const TagAttribute& a) { return a.sName == sName; }));
  75     mAttributes.push_back({ sName, sValue });
  76 }
  77
  78 void AttributeList::RemoveAttribute(const OUString& sName)
  79 {
  80     auto ii = std::find_if(mAttributes.begin(), mAttributes.end(),
  81                            [&sName](const TagAttribute& rAttr) { return rAttr.sName == sName; });
  82
  83     if (ii != mAttributes.end())
  84         mAttributes.erase(ii);
  85 }
  86
  87 void AttributeList::AppendAttributeList(const uno::Reference<css::xml::sax::XAttributeList>& r)
  88 {
  89     assert(r.is());
  90
  91     sal_Int16 nMax = r->getLength();
  92     sal_Int16 nTotalSize = mAttributes.size() + nMax;
  93     mAttributes.reserve(nTotalSize);
  94
  95     for (sal_Int16 i = 0; i < nMax; ++i)
  96         AddAttribute(r->getNameByIndex(i), r->getValueByIndex(i));
  97
  98     assert(nTotalSize == getLength());
  99 }
 100
 101 void AttributeList::SetValueByIndex(sal_Int16 i, const OUString& rValue)
 102 {
 103     mAttributes[i].sValue = rValue;
 104 }
 105
 106 void AttributeList::RemoveAttributeByIndex(sal_Int16 i)
 107 {
 108     mAttributes.erase(mAttributes.begin() + i);
 109 }
 110
 111 void AttributeList::RenameAttributeByIndex(sal_Int16 i, const OUString& rNewName)
 112 {
 113     mAttributes[i].sName = rNewName;
 114 }
 115
 116 sal_Int16 AttributeList::GetIndexByName(const OUString& rName) const
 117 {
 118     auto ii = std::find_if(mAttributes.begin(), mAttributes.end(),
 119                            [&rName](const TagAttribute& rAttr) { return rAttr.sName == rName; });
 120
 121     if (ii != mAttributes.end())
 122         return static_cast<sal_Int16>(std::distance(mAttributes.begin(), ii));
 123
 124     return -1;
 125 }
 126
 127 } // namespace comphelper
 128
 129 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */