summaryrefslogtreecommitdiff
path: root/ppdc/ppdc-array.cxx
blob: bfc1dcf95e119e3e5b30d4c05c64568ee36a04aa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
//
// Array class for the CUPS PPD Compiler.
//
// Copyright 2007-2014 by Apple Inc.
// Copyright 2002-2005 by Easy Software Products.
//
// Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
//

//
// Include necessary headers...
//

#include "ppdc-private.h"


//
// 'ppdcArray::ppdcArray()' - Create a new array.
//

ppdcArray::ppdcArray(ppdcArray *a)
  : ppdcShared()
{
  PPDC_NEW;

  if (a)
  {
    count = a->count;
    alloc = count;

    if (count)
    {
      // Make a copy of the array...
      data = new ppdcShared *[count];

      memcpy(data, a->data, (size_t)count * sizeof(ppdcShared *));

      for (int i = 0; i < count; i ++)
        data[i]->retain();
    }
    else
      data = 0;
  }
  else
  {
    count = 0;
    alloc = 0;
    data  = 0;
  }

  current = 0;
}


//
// 'ppdcArray::~ppdcArray()' - Destroy an array.
//

ppdcArray::~ppdcArray()
{
  PPDC_DELETE;

  for (int i = 0; i < count; i ++)
    data[i]->release();

  if (alloc)
    delete[] data;
}


//
// 'ppdcArray::add()' - Add an element to an array.
//

void
ppdcArray::add(ppdcShared *d)
{
  ppdcShared	**temp;


  if (count >= alloc)
  {
    alloc += 10;
    temp  = new ppdcShared *[alloc];

    memcpy(temp, data, (size_t)count * sizeof(ppdcShared *));

    delete[] data;
    data = temp;
  }

  data[count++] = d;
}


//
// 'ppdcArray::first()' - Return the first element in the array.
//

ppdcShared *
ppdcArray::first()
{
  current = 0;

  if (current >= count)
    return (0);
  else
    return (data[current ++]);
}


//
// 'ppdcArray::next()' - Return the next element in the array.
//

ppdcShared *
ppdcArray::next()
{
  if (current >= count)
    return (0);
  else
    return (data[current ++]);
}


//
// 'ppdcArray::remove()' - Remove an element from the array.
//

void
ppdcArray::remove(ppdcShared *d)		// I - Data element
{
  int	i;					// Looping var


  for (i = 0; i < count; i ++)
    if (d == data[i])
      break;

  if (i >= count)
    return;

  count --;
  d->release();

  if (i < count)
    memmove(data + i, data + i + 1, (size_t)(count - i) * sizeof(ppdcShared *));
}