| 1 |
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| 2 | #include "Indentation.h"
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| 3 |
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| 4 | using namespace std;
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| 5 |
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| 6 |
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| 7 | Indentation::Indentation ()
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| 8 | : _tabulationSize(2)
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| 9 | , _indentation()
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| 10 | { }
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| 11 |
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| 12 |
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| 13 | Indentation& Indentation::operator++ ()
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| 14 | {
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| 15 | _indentation.append ( _tabulationSize, ' ' );
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| 16 | return *this;
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| 17 | }
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| 18 |
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| 19 |
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| 20 | Indentation Indentation::operator++ (int)
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| 21 | {
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| 22 | Indentation before (*this);
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| 23 |
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| 24 | _indentation.append ( _tabulationSize, ' ' );
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| 25 | return before;
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| 26 | }
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| 27 |
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| 28 |
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| 29 | Indentation& Indentation::operator-- ()
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| 30 | {
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| 31 | if ( _indentation.length() > _tabulationSize )
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| 32 | _indentation.resize ( _indentation.length() - _tabulationSize );
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| 33 | else
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| 34 | _indentation.clear ();
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| 35 | return *this;
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| 36 | }
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| 37 |
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| 38 |
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| 39 | Indentation Indentation::operator-- (int)
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| 40 | {
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| 41 | Indentation before (*this);
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| 42 |
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| 43 | if ( _indentation.length() > _tabulationSize )
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| 44 | _indentation.resize ( _indentation.length() - _tabulationSize );
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| 45 | else
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| 46 | _indentation.clear ();
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| 47 | return before;
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| 48 | }
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| 49 |
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| 50 |
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| 51 | ostream& operator<< ( ostream& o, const Indentation& indent )
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| 52 | {
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| 53 | o << indent._indentation;
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| 54 | return o;
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| 55 | }
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| 56 |
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| 57 |
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| 58 | Indentation& indent ()
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| 59 | {
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| 60 | static Indentation* sharedIndent = new Indentation();
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| 61 | return *sharedIndent;
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| 62 | }
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