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
|
#include <qpdf/Pl_Function.hh>
#include <stdexcept>
Pl_Function::Members::Members(writer_t fn) :
fn(fn)
{
}
Pl_Function::Pl_Function(char const* identifier, Pipeline* next, writer_t fn) :
Pipeline(identifier, next),
m(new Members(fn))
{
}
Pl_Function::Pl_Function(char const* identifier, Pipeline* next, writer_c_t fn, void* udata) :
Pipeline(identifier, next),
m(new Members(nullptr))
{
m->fn = [identifier, fn, udata](unsigned char const* data, size_t len) {
int code = fn(data, len, udata);
if (code != 0) {
throw std::runtime_error(
std::string(identifier) + " function returned code " + std::to_string(code));
}
};
}
Pl_Function::Pl_Function(char const* identifier, Pipeline* next, writer_c_char_t fn, void* udata) :
Pipeline(identifier, next),
m(new Members(nullptr))
{
m->fn = [identifier, fn, udata](unsigned char const* data, size_t len) {
int code = fn(reinterpret_cast<char const*>(data), len, udata);
if (code != 0) {
throw std::runtime_error(
std::string(identifier) + " function returned code " + std::to_string(code));
}
};
}
Pl_Function::~Pl_Function() // NOLINT (modernize-use-equals-default)
{
// Must be explicit and not inline -- see QPDF_DLL_CLASS in README-maintainer
}
void
Pl_Function::write(unsigned char const* buf, size_t len)
{
m->fn(buf, len);
if (getNext(true)) {
getNext()->write(buf, len);
}
}
void
Pl_Function::finish()
{
if (getNext(true)) {
getNext()->finish();
}
}
|