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 INCLUDED_OUTPUT_WITH_DEPTH
      21             : #define INCLUDED_OUTPUT_WITH_DEPTH
      22             : 
      23             : #include <vector>
      24             : #include <iostream>
      25             : 
      26             : namespace writerfilter
      27             : {
      28             : 
      29             : using namespace ::std;
      30             : 
      31             : template <typename T>
      32             : class OutputWithDepth
      33             : {
      34             :     typedef ::std::vector<T> Group_t;
      35             :     Group_t mGroup;
      36             : 
      37             :     unsigned int mnCurrentDepth;
      38             :     unsigned int mnGroupDepth;
      39             : 
      40             :     T mOpenTag;
      41             :     T mCloseTag;
      42             : 
      43             : protected:
      44             :     virtual void output(const T & aItem) const = 0;
      45             :     void outputGroup();
      46             :     void finalize();
      47             : 
      48             : public:
      49             :     OutputWithDepth(const T & aOpenTag, const T & aCloseTag);
      50             :     virtual ~OutputWithDepth();
      51             : 
      52             :     void openGroup();
      53             :     void closeGroup();
      54             :     void addItem(const T & aItem);
      55             :     void setDepth(unsigned int nDepth);
      56             : };
      57             : 
      58             : template <typename T>
      59          16 : OutputWithDepth<T>::OutputWithDepth(const T & aOpenTag, const T & aEndTag)
      60          16 : : mOpenTag(aOpenTag), mCloseTag(aEndTag)
      61             : {
      62          16 : }
      63             : 
      64             : template <typename T>
      65          16 : OutputWithDepth<T>::~OutputWithDepth()
      66             : {
      67          16 : }
      68             : 
      69             : template <typename T>
      70           8 : void OutputWithDepth<T>::finalize()
      71             : {
      72           8 :     outputGroup();
      73           8 : }
      74             : 
      75             : template <typename T>
      76           0 : void OutputWithDepth<T>::openGroup()
      77             : {
      78           0 :     outputGroup();
      79           0 :     mnGroupDepth = 0;
      80           0 : }
      81             : 
      82             : template <typename T>
      83           0 : void OutputWithDepth<T>::closeGroup()
      84             : {
      85           0 :     if (mnGroupDepth > mnCurrentDepth)
      86           0 :         for (unsigned int i = 0; i < mnGroupDepth - mnCurrentDepth; ++i)
      87           0 :             output(mOpenTag);
      88           0 :     else if (mnGroupDepth < mnCurrentDepth)
      89           0 :         for (unsigned int i = 0; i < mnCurrentDepth - mnGroupDepth; ++i)
      90           0 :             output(mCloseTag);
      91             : 
      92           0 :     outputGroup();
      93             : 
      94           0 :     mnCurrentDepth = mnGroupDepth;
      95           0 : }
      96             : 
      97             : template <typename T>
      98           0 : void OutputWithDepth<T>::addItem(const T & aItem)
      99             : {
     100           0 :     mGroup.push_back(aItem);
     101           0 : }
     102             : 
     103             : template <typename T>
     104           0 : void OutputWithDepth<T>::setDepth(unsigned int nDepth)
     105             : {
     106           0 :     mnGroupDepth = nDepth;
     107           0 : }
     108             : 
     109             : template <typename T>
     110          16 : void OutputWithDepth<T>::outputGroup()
     111             : {
     112          16 :     typename Group_t::iterator aItEnd = mGroup.end();
     113             : 
     114          16 :     for (typename Group_t::iterator aIt = mGroup.begin(); aIt != aItEnd; aIt++)
     115             :     {
     116           0 :         output(*aIt);
     117             :     }
     118             : 
     119          16 :     mGroup.clear();
     120          16 : }
     121             : }
     122             : #endif // INCLUDED_OUTPUT_WITH_DEPTH
     123             : 
     124             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */