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