LCOV - code coverage report
Current view: top level - usr/local/src/libreoffice/include/editeng - LookupTree.hxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 4 4 100.0 %
Date: 2013-07-09 Functions: 2 3 66.7 %
Legend: Lines: hit not hit

          Line data    Source code
       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 LOOKUPTREE_H
      21             : #define LOOKUPTREE_H
      22             : 
      23             : #include <sal/types.h>
      24             : #include <rtl/ustring.hxx>
      25             : #include <editeng/editengdllapi.h>
      26             : 
      27             : /** LookupTree is an interface class that allows for unified access to tree
      28             :   * structures used for storing dictionnary words as well as their respective
      29             :   * probabilities.
      30             :   * It allows you to insert or remove words from the tree, navigate threw the
      31             :   * tree along its branches and request for a suggestion for autocompletion
      32             :   * according to the position within the tree.
      33             :   * It also allows you to attribute a specific language to each tree so that
      34             :   * it is possible to serve the correct auto completions even within a document
      35             :   * that contains content in more than one language.
      36             :   */
      37             : class EDITENG_DLLPUBLIC LookupTree
      38             : {
      39             : public:
      40             :     explicit inline LookupTree(OUString sLanguage);
      41           1 :     virtual ~LookupTree() {}
      42             : 
      43             :     inline OUString language() const;
      44             : 
      45             :     // Resets the current item to root.
      46             :     virtual void returnToRoot() = 0;
      47             : 
      48             :     // Advances from the root position key by key towards the node keyed with
      49             :     // the last char of sKey.
      50             :     virtual void gotoNode(OUString sNode) = 0;
      51             : 
      52             :     // Advances from the current position towards the node keyed with cKey.
      53             :     virtual void advance(const sal_Unicode cKey) = 0;
      54             : 
      55             :     // Sets the focus to the parent of the current node. Removes the current
      56             :     // node if it is invalid.
      57             :     virtual void goBack() = 0;
      58             : 
      59             :     // Inserts a complete keyword starting from the root node of the tree.
      60             :     // Does not change the current position within the tree.
      61             :     virtual void insert(OUString sKey, const int nProbability = 1) = 0;
      62             : 
      63             :     // Inserts a keyword with the given probability at the current position
      64             :     // within the tree. Does not change the current position within the tree.
      65             :     virtual void insert(const int nProbability = 1) = 0;
      66             : 
      67             :     // Removes a complete keyword starting from the root node of the tree.
      68             :     // Does not change the current position within the tree.
      69             :     virtual void remove(OUString sKey) = 0;
      70             : 
      71             :     // Returns the suggested autocompletion for the current location within
      72             :     // the tree.
      73             :     virtual OUString suggestAutoCompletion() const = 0;
      74             : 
      75             :     // Clears the tree and removes any information it contains.
      76             :     virtual void clear() = 0;
      77             : 
      78             : 
      79             : private:
      80             :     const OUString m_sLanguage;  // language handled by this tree
      81             : };
      82             : 
      83           1 : LookupTree::LookupTree(OUString sLanguage) :
      84           1 :     m_sLanguage( sLanguage )
      85             : {
      86           1 : }
      87             : 
      88             : OUString LookupTree::language() const
      89             : {
      90             :     return m_sLanguage;
      91             : }
      92             : 
      93             : #endif // LOOKUPTREE_H
      94             : 
      95             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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