/src/xpdf-4.06/xpdf/Array.cc
Line | Count | Source |
1 | | //======================================================================== |
2 | | // |
3 | | // Array.cc |
4 | | // |
5 | | // Copyright 1996-2003 Glyph & Cog, LLC |
6 | | // |
7 | | //======================================================================== |
8 | | |
9 | | #include <aconf.h> |
10 | | |
11 | | #include <stdlib.h> |
12 | | #include <stddef.h> |
13 | | #include "gmem.h" |
14 | | #include "gmempp.h" |
15 | | #include "Object.h" |
16 | | #include "Array.h" |
17 | | |
18 | | //------------------------------------------------------------------------ |
19 | | // Array |
20 | | //------------------------------------------------------------------------ |
21 | | |
22 | 1.00M | Array::Array(XRef *xrefA) { |
23 | 1.00M | xref = xrefA; |
24 | 1.00M | elems = NULL; |
25 | 1.00M | size = length = 0; |
26 | 1.00M | ref = 1; |
27 | 1.00M | } |
28 | | |
29 | 937k | Array::~Array() { |
30 | 937k | int i; |
31 | | |
32 | 19.1M | for (i = 0; i < length; ++i) |
33 | 18.2M | elems[i].free(); |
34 | 937k | gfree(elems); |
35 | 937k | } |
36 | | |
37 | 19.2M | void Array::add(Object *elem) { |
38 | 19.2M | if (length == size) { |
39 | 1.61M | if (length == 0) { |
40 | 994k | size = 8; |
41 | 994k | } else { |
42 | 616k | size *= 2; |
43 | 616k | } |
44 | 1.61M | elems = (Object *)greallocn(elems, size, sizeof(Object)); |
45 | 1.61M | } |
46 | 19.2M | elems[length] = *elem; |
47 | 19.2M | ++length; |
48 | 19.2M | } |
49 | | |
50 | 555k | Object *Array::get(int i, Object *obj, int recursion) { |
51 | 555k | if (i < 0 || i >= length) { |
52 | | #ifdef DEBUG_OBJECT_MEM |
53 | | abort(); |
54 | | #else |
55 | 1 | return obj->initNull(); |
56 | 1 | #endif |
57 | 1 | } |
58 | 555k | return elems[i].fetch(xref, obj, recursion); |
59 | 555k | } |
60 | | |
61 | 8.26M | Object *Array::getNF(int i, Object *obj) { |
62 | 8.26M | if (i < 0 || i >= length) { |
63 | | #ifdef DEBUG_OBJECT_MEM |
64 | | abort(); |
65 | | #else |
66 | 0 | return obj->initNull(); |
67 | 0 | #endif |
68 | 0 | } |
69 | 8.26M | return elems[i].copy(obj); |
70 | 8.26M | } |