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1 | // |
2 | // "$Id$" | |
3 | // | |
4 | // Array class for the CUPS PPD Compiler. | |
5 | // | |
6 | // Copyright 2007 by Apple Inc. | |
7 | // Copyright 2002-2005 by Easy Software Products. | |
8 | // | |
9 | // These coded instructions, statements, and computer programs are the | |
10 | // property of Apple Inc. and are protected by Federal copyright | |
11 | // law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | // which should have been included with this file. If this file is | |
13 | // file is missing or damaged, see the license at "http://www.cups.org/". | |
14 | // | |
15 | // Contents: | |
16 | // | |
17 | // ppdcArray::ppdcArray() - Create a new array. | |
18 | // ppdcArray::~ppdcArray() - Destroy an array. | |
19 | // ppdcArray::add() - Add an element to an array. | |
20 | // ppdcArray::first() - Return the first element in the array. | |
21 | // ppdcArray::next() - Return the next element in the array. | |
22 | // ppdcArray::remove() - Remove an element from the array. | |
23 | // | |
24 | ||
25 | // | |
26 | // Include necessary headers... | |
27 | // | |
28 | ||
29 | #include "ppdc.h" | |
30 | ||
31 | ||
32 | // | |
33 | // 'ppdcArray::ppdcArray()' - Create a new array. | |
34 | // | |
35 | ||
36 | ppdcArray::ppdcArray(ppdcArray *a) | |
37 | { | |
38 | if (a) | |
39 | { | |
40 | count = a->count; | |
41 | alloc = count; | |
42 | ||
43 | if (count) | |
44 | { | |
45 | // Make a copy of the array... | |
46 | data = new ppdcShared *[count]; | |
47 | ||
48 | memcpy(data, a->data, count * sizeof(ppdcShared *)); | |
49 | ||
50 | for (int i = 0; i < count; i ++) | |
51 | data[i]->get(); | |
52 | } | |
53 | else | |
54 | data = 0; | |
55 | } | |
56 | else | |
57 | { | |
58 | count = 0; | |
59 | alloc = 0; | |
60 | data = 0; | |
61 | } | |
62 | ||
63 | current = 0; | |
64 | } | |
65 | ||
66 | ||
67 | // | |
68 | // 'ppdcArray::~ppdcArray()' - Destroy an array. | |
69 | // | |
70 | ||
71 | ppdcArray::~ppdcArray() | |
72 | { | |
73 | for (int i = 0; i < count; i ++) | |
74 | data[i]->release(); | |
75 | ||
76 | if (alloc) | |
77 | delete[] data; | |
78 | } | |
79 | ||
80 | ||
81 | // | |
82 | // 'ppdcArray::add()' - Add an element to an array. | |
83 | // | |
84 | ||
85 | void | |
86 | ppdcArray::add(ppdcShared *d) | |
87 | { | |
88 | ppdcShared **temp; | |
89 | ||
90 | ||
91 | if (count >= alloc) | |
92 | { | |
93 | alloc += 10; | |
94 | temp = new ppdcShared *[alloc]; | |
95 | ||
96 | memcpy(temp, data, count * sizeof(ppdcShared *)); | |
97 | ||
98 | delete[] data; | |
99 | data = temp; | |
100 | } | |
101 | ||
102 | data[count++] = d; | |
103 | } | |
104 | ||
105 | ||
106 | // | |
107 | // 'ppdcArray::first()' - Return the first element in the array. | |
108 | // | |
109 | ||
110 | ppdcShared * | |
111 | ppdcArray::first() | |
112 | { | |
113 | current = 0; | |
114 | ||
115 | if (current >= count) | |
116 | return (0); | |
117 | else | |
118 | return (data[current ++]); | |
119 | } | |
120 | ||
121 | ||
122 | // | |
123 | // 'ppdcArray::next()' - Return the next element in the array. | |
124 | // | |
125 | ||
126 | ppdcShared * | |
127 | ppdcArray::next() | |
128 | { | |
129 | if (current >= count) | |
130 | return (0); | |
131 | else | |
132 | return (data[current ++]); | |
133 | } | |
134 | ||
135 | ||
136 | // | |
137 | // 'ppdcArray::remove()' - Remove an element from the array. | |
138 | // | |
139 | ||
140 | void | |
141 | ppdcArray::remove(ppdcShared *d) // I - Data element | |
142 | { | |
143 | int i; // Looping var | |
144 | ||
145 | ||
146 | for (i = 0; i < count; i ++) | |
147 | if (d == data[i]) | |
148 | break; | |
149 | ||
150 | if (i >= count) | |
151 | return; | |
152 | ||
153 | count --; | |
154 | d->release(); | |
155 | ||
156 | if (i < count) | |
157 | memmove(data + i, data + i + 1, (count - i) * sizeof(ppdcShared *)); | |
158 | } | |
159 | ||
160 | ||
161 | // | |
162 | // End of "$Id$". | |
163 | // |