File: FSD_FileHeader.hxx

package info (click to toggle)
opencascade 6.2-7
  • links: PTS
  • area: non-free
  • in suites: lenny
  • size: 444,652 kB
  • ctags: 256,750
  • sloc: cpp: 1,150,123; ansic: 225,762; tcl: 30,130; makefile: 12,619; sh: 7,958; xml: 3,981; lisp: 283; java: 212; csh: 203; perl: 15
file content (90 lines) | stat: -rw-r--r-- 2,773 bytes parent folder | download | duplicates (2)
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
#ifndef _FSD_FileHeader_HeaderFile
#define _FSD_FileHeader_HeaderFile

struct FSD_FileHeader {
  Standard_Integer testindian;
  Standard_Integer binfo;
  Standard_Integer einfo;
  Standard_Integer bcomment;
  Standard_Integer ecomment;
  Standard_Integer btype;
  Standard_Integer etype;
  Standard_Integer broot;
  Standard_Integer eroot;
  Standard_Integer bref;
  Standard_Integer eref;
  Standard_Integer bdata;
  Standard_Integer edata;  
};

#ifndef DO_INVERSE
#if defined ( SOLARIS ) || defined ( IRIX )
#define DO_INVERSE 1
#else
#define DO_INVERSE 0
#endif
#endif

//=======================================================================
//function : InverseInt
//purpose  : Inverses bytes in the word
//=======================================================================

inline Standard_Integer InverseInt (const Standard_Integer theValue)
{
  return (0 | (( theValue & 0x000000ff ) << 24 )
          |   (( theValue & 0x0000ff00 ) << 8  )
          |   (( theValue & 0x00ff0000 ) >> 8  )
          |   (( theValue >> 24 ) & 0x000000ff ) );
}

//=======================================================================
//function : InverseLong
//purpose  : Inverses bytes in the long word
//=======================================================================

inline long InverseLong (const long theValue)
{
  return (long) InverseInt ((Standard_Integer) theValue);
}

//=======================================================================
//function : InverseExtChar
//purpose  : Inverses bytes in the extended character
//=======================================================================

inline Standard_ExtCharacter InverseExtChar (const Standard_ExtCharacter theValue)
{
  return (0 | (( theValue & 0x00ff ) << 8  )
          |   (( theValue & 0xff00 ) >> 8  ) );
}

//=======================================================================
//function : InverseReal
//purpose  : Inverses bytes in the real value
//=======================================================================

inline Standard_Real InverseReal (const Standard_Real theValue)
{
  Standard_Real aResult;
  Standard_Integer *i = (Standard_Integer*) &theValue;
  Standard_Integer *j = (Standard_Integer*) &aResult;
  j[1] = InverseInt (i[0]);
  j[0] = InverseInt (i[1]);
  return aResult;
}

//=======================================================================
//function : InverseShortReal
//purpose  : Inverses bytes in the short real value
//=======================================================================

inline Standard_ShortReal InverseShortReal (const Standard_ShortReal theValue)
{
  Standard_ShortReal aResult;
  Standard_Integer *i = (Standard_Integer*) &aResult;
  *i = InverseInt (*(Standard_Integer*) &theValue);
  return aResult;
}

#endif