Softwareentwicklung in C++ - ASC

B.1 Implementationen der einzelnen Klassen 549
21 {
22 i f ( ( num rows ∗ num cols ) % 2) // not an even number
23 num rows ++;
24
25 row vector = new Vector ( num rows ,
26 VectorDeletor : : getInstance ( ) ) ;
27 for ( uint32 current row = 0 ; current row < num rows ;
28 current row ++)
29 row vector −>setElementAt (
30 current row ,new Vector ( num cols ,
31 DisplayableDeletor : : getInstance ( ) ) ) ;
32 }
33
34 //−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
35 MemoryGameboard : : ˜ MemoryGameboard ( )
36 {
37 // no need to d e l e t e any d i s p l a y a b l e s r e g i s t e r e d with
38 // i t , because they are a l l stored in our v e c t o r s
39 // and deleted from there
40 delete container output handling ;
41
42 // t h i s a l s o d e l e t e s a l l the column v e c t o r s which in
43 // turn d e l e t e a l l the cards .
44 delete row vector ;
45
46 // t h i s a l s o d e l e t e s a l l the heading d i s p l a y a b l e s
47 delete r o w h e a d i n g d i s p l a y a b l e s ;
48
49 // t h i s a l s o d e l e t e s a l l the heading d i s p l a y a b l e s
50 delete c o l h e a d i n g d i s p l a y a b l e s ;
51
52 // t h i s a l s o d e l e t e s a l l the e o l d i s p l a y a b l e s
53 delete e o l d i s p l a y a b l e s ;
54
55 delete c o n t a i n e r o u t p u t c o n t e x t ;
56 }
57
58 //−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
59 void MemoryGameboard : : d i s p l a y a b l e R e g i s t e r e d (
60 SimpleOutputHandling &handler )
61 {
62 // already r e g i s t e r e d with some handler , no f u r t h e r
63 // setup necessary
64 i f ( r o w h e a d i n g d i s p l a y a b l e s )
65 return ;
66
67 uint32 num displayables = ( num rows ∗ num cols ) + // cards
68 num rows + 1 + // EOL elements
69 num rows + 1 + // c o l headings
70 num cols ; // row headings
71 r o w h e a d i n g d i s p l a y a b l e s = new Vector (
72 num cols , DisplayableDeletor : : getInstance ( ) ) ;
73 c o l h e a d i n g d i s p l a y a b l e s = new Vector (
74 num rows + 1, DisplayableDeletor : : getInstance ( ) ) ;
75 e o l d i s p l a y a b l e s = new Vector (
76 num rows + 1, DisplayableDeletor : : getInstance ( ) ) ;
77 c o n t a i n e r o u t p u t c o n t e x t = handler . getOutputContextClone ( ) ;
78 container output handling = new SimpleOutputHandling (
79 num displayables , ∗ c o n t a i n e r o u t p u t c o n t e x t ) ;
80
81 // j u s t because some compilers have a wrong treatment f o r
82 // v a r i a b l e s in c o n t r o l statements . . .
83 uint32 row count = 0;
84 uint32 col count = 0;
85
86 // generate the top l i n e with the column headings and