blob: df8e7dccc0a638ef801a4c18cd0de64a0344f8b7 (
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
|
#include "cru/common/io/ProxyStream.h"
#include "cru/common/io/Stream.h"
namespace cru::io {
ProxyStream::ProxyStream(ProxyStreamHandlers handlers)
: closed_(false), handlers_(std::move(handlers)) {}
ProxyStream::~ProxyStream() { DoClose(); }
bool ProxyStream::CanSeek() {
CheckClosed();
return static_cast<bool>(handlers_.seek);
}
Index ProxyStream::Seek(Index offset, SeekOrigin origin) {
CheckClosed();
StreamOperationNotSupportedException::CheckSeek(CanSeek());
return handlers_.seek(offset, origin);
}
bool ProxyStream::CanRead() {
CheckClosed();
return static_cast<bool>(handlers_.read);
}
Index ProxyStream::Read(std::byte* buffer, Index offset, Index size) {
CheckClosed();
StreamOperationNotSupportedException::CheckRead(CanRead());
return handlers_.read(buffer, offset, size);
}
bool ProxyStream::CanWrite() {
CheckClosed();
return static_cast<bool>(handlers_.write);
}
Index ProxyStream::Write(const std::byte* buffer, Index offset, Index size) {
CheckClosed();
StreamOperationNotSupportedException::CheckWrite(CanWrite());
return handlers_.write(buffer, offset, size);
}
void ProxyStream::Flush() {
CheckClosed();
if (handlers_.flush) {
handlers_.flush();
}
}
void ProxyStream::Close() { DoClose(); }
void ProxyStream::CheckClosed() {
StreamAlreadyClosedException::Check(closed_);
}
void ProxyStream::DoClose() {
if (!closed_) {
if (handlers_.close) {
handlers_.close();
}
closed_ = true;
}
}
} // namespace cru::io
|
