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