include/xmloff/namespacemap.hxx

   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 #ifndef INCLUDED_XMLOFF_NMSPMAP_HXX
  21 #define INCLUDED_XMLOFF_NMSPMAP_HXX
  22
  23 #include <sal/config.h>
  24
  25 #include <unordered_map>
  26 #include <utility>
  27
  28 #include <xmloff/dllapi.h>
  29 #include <sal/types.h>
  30 #include <rtl/ustring.hxx>
  31 #include <rtl/ref.hxx>
  32 #include <salhelper/simplereferenceobject.hxx>
  33
  34 #include <limits.h>
  35
  36 const sal_uInt16 XML_NAMESPACE_XMLNS         = USHRT_MAX-2;
  37 const sal_uInt16 XML_NAMESPACE_NONE          = USHRT_MAX-1;
  38 const sal_uInt16 XML_NAMESPACE_UNKNOWN       = USHRT_MAX;
  39 const sal_uInt16 XML_NAMESPACE_UNKNOWN_FLAG  = 0x8000;
  40
  41 class NameSpaceEntry final : public salhelper::SimpleReferenceObject
  42 {
  43 public:
  44     // sName refers to the full namespace name
  45     OUString     sName;
  46     // sPrefix is the prefix used to declare a given item to be from a given namespace
  47     OUString     sPrefix;
  48     // nKey is the unique identifier of a namespace
  49     sal_uInt16   nKey;
  50 };
  51
  52 typedef ::std::pair < sal_uInt16, OUString > QNamePair;
  53
  54 struct QNamePairHash
  55 {
  56     size_t operator()( const QNamePair &r1 ) const
  57     {
  58         size_t hash = 17;
  59         hash = hash * 37 + r1.first;
  60         hash = hash * 37 + r1.second.hashCode();
  61         return hash;
  62     }
  63 };
  64
  65 typedef std::unordered_map < QNamePair, OUString, QNamePairHash > QNameCache;
  66 typedef std::unordered_map < OUString, ::rtl::Reference <NameSpaceEntry > > NameSpaceHash;
  67 typedef std::unordered_map < sal_uInt16, ::rtl::Reference < NameSpaceEntry > > NameSpaceMap;
  68
  69 class XMLOFF_DLLPUBLIC SvXMLNamespaceMap
  70 {
  71     OUString                    sXMLNS;
  72
  73     NameSpaceHash               aNameHash;
  74     mutable NameSpaceHash       aNameCache;
  75     NameSpaceMap                aNameMap;
  76     mutable QNameCache          aQNameCache;
  77     SAL_DLLPRIVATE sal_uInt16 Add_( const OUString& rPrefix, const OUString &rName, sal_uInt16 nKey );
  78
  79 public:
  80
  81     SvXMLNamespaceMap();
  82     ~SvXMLNamespaceMap();
  83
  84     SvXMLNamespaceMap( const SvXMLNamespaceMap& );
  85
  86     SvXMLNamespaceMap& operator =( const SvXMLNamespaceMap& rCmp );
  87     bool operator ==( const SvXMLNamespaceMap& rCmp ) const;
  88
  89     sal_uInt16 Add( const OUString& rPrefix,
  90                 const OUString& rName,
  91                 sal_uInt16 nKey = XML_NAMESPACE_UNKNOWN );
  92     sal_uInt16 AddIfKnown( const OUString& rPrefix,
  93                 const OUString& rName );
  94
  95     sal_uInt16 GetKeyByName( const OUString& rName ) const;
  96     const OUString& GetNameByKey( sal_uInt16 nKey ) const;
  97
  98     sal_uInt16 GetKeyByPrefix( const OUString& rPrefix ) const;
  99     const OUString& GetPrefixByKey( sal_uInt16 nKey ) const;
 100
 101     OUString GetQNameByKey( sal_uInt16 nKey,
 102                            const OUString& rLocalName,
 103                            bool bCache = true) const;
 104
 105     OUString GetAttrNameByKey( sal_uInt16 nKey ) const;
 106
 107     enum class QNameMode { AttrNameCached, AttrValue };
 108     sal_uInt16 GetKeyByQName(const OUString& rQName,
 109                              OUString *pPrefix,
 110                              OUString *pLocalName,
 111                              OUString *pNamespace,
 112                              QNameMode eMode) const;
 113
 114     sal_uInt16 GetKeyByAttrValueQName(const OUString& rAttrName,
 115                              OUString *pLocalName) const;
 116
 117     sal_uInt16 GetFirstKey() const;
 118     sal_uInt16 GetNextKey( sal_uInt16 nOldKey ) const;
 119
 120     /* Give access to all namespace definitions, including multiple entries
 121        for the same key (needed for saving sheets separately in Calc).
 122        This might be replaced by a better interface later. */
 123     const NameSpaceHash& GetAllEntries() const { return aNameHash; }
 124
 125     static bool NormalizeOasisURN( OUString& rName );
 126     static bool NormalizeW3URI( OUString& rName );
 127     static bool NormalizeURI( OUString& rName );
 128
 129 /* deprecated */ void AddAtIndex( const OUString& rPrefix,
 130                      const OUString& rName, sal_uInt16 nKey );
 131 /* deprecated */ static sal_uInt16 GetIndexByKey( sal_uInt16 nKey );
 132 /* deprecated */ sal_uInt16 GetIndexByPrefix( const OUString& rPrefix ) const;
 133 /* deprecated */ sal_uInt16 GetFirstIndex() const;
 134 /* deprecated */ sal_uInt16 GetNextIndex( sal_uInt16 nOldIdx ) const;
 135 /* deprecated */ const OUString& GetPrefixByIndex( sal_uInt16 nIdx ) const;
 136 /* deprecated */ const OUString& GetNameByIndex( sal_uInt16 nIdx ) const;
 137 /* deprecated */ OUString GetAttrNameByIndex( sal_uInt16 nIdx ) const;
 138                  sal_uInt16 GetKeyByAttrName( const OUString& rAttrName,
 139                              OUString *pPrefix,
 140                              OUString *pLocalName,
 141                              OUString *pNamespace ) const;
 142 /* deprecated */ sal_uInt16 GetKeyByAttrName( const OUString& rAttrName,
 143                              OUString *pLocalName = nullptr ) const;
 144 };
 145
 146 #endif // INCLUDED_XMLOFF_NMSPMAP_HXX
 147
 148 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */