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
|
/* Copyright (C) 1994, 1996, 1998, 1999 Aladdin Enterprises. All rights reserved.
This software is licensed to a single customer by Artifex Software Inc.
under the terms of a specific OEM agreement.
*/
/*$RCSfile$ $Revision$ */
/* (T)BCP filter creation */
#include "memory_.h"
#include "ghost.h"
#include "oper.h"
#include "gsstruct.h"
#include "ialloc.h"
#include "stream.h"
#include "strimpl.h"
#include "sfilter.h"
#include "ifilter.h"
/* Define null handlers for the BCP out-of-band signals. */
private int
no_bcp_signal_interrupt(stream_state * st)
{
return 0;
}
private int
no_bcp_request_status(stream_state * st)
{
return 0;
}
/* <source> BCPEncode/filter <file> */
/* <source> <dict> BCPEncode/filter <file> */
private int
zBCPE(i_ctx_t *i_ctx_p)
{
return filter_write_simple(i_ctx_p, &s_BCPE_template);
}
/* <target> BCPDecode/filter <file> */
/* <target> <dict> BCPDecode/filter <file> */
private int
zBCPD(i_ctx_t *i_ctx_p)
{
stream_BCPD_state state;
state.signal_interrupt = no_bcp_signal_interrupt;
state.request_status = no_bcp_request_status;
return filter_read(i_ctx_p, 0, &s_BCPD_template, (stream_state *)&state, 0);
}
/* <source> TBCPEncode/filter <file> */
/* <source> <dict> TBCPEncode/filter <file> */
private int
zTBCPE(i_ctx_t *i_ctx_p)
{
return filter_write_simple(i_ctx_p, &s_TBCPE_template);
}
/* <target> TBCPDecode/filter <file> */
/* <target> <dict> TBCPDecode/filter <file> */
private int
zTBCPD(i_ctx_t *i_ctx_p)
{
stream_BCPD_state state;
state.signal_interrupt = no_bcp_signal_interrupt;
state.request_status = no_bcp_request_status;
return filter_read(i_ctx_p, 0, &s_TBCPD_template, (stream_state *)&state, 0);
}
/* ------ Initialization procedure ------ */
const op_def zfbcp_op_defs[] =
{
op_def_begin_filter(),
{"1BCPEncode", zBCPE},
{"1BCPDecode", zBCPD},
{"1TBCPEncode", zTBCPE},
{"1TBCPDecode", zTBCPD},
op_def_end(0)
};
|
