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