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
|
//
// StreamCopier.h
//
// Library: Foundation
// Package: Streams
// Module: StreamCopier
//
// Definition of class StreamCopier.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_StreamCopier_INCLUDED
#define Foundation_StreamCopier_INCLUDED
#include "Poco/Foundation.h"
#include <istream>
#include <ostream>
#include <cstddef>
namespace Poco {
class Foundation_API StreamCopier
/// This class provides static methods to copy the contents from one stream
/// into another.
{
public:
static std::streamsize copyStream(std::istream& istr, std::ostream& ostr, std::size_t bufferSize = 8192);
/// Writes all bytes readable from istr to ostr, using an internal buffer.
///
/// Returns the number of bytes copied.
#if defined(POCO_HAVE_INT64)
static Poco::UInt64 copyStream64(std::istream& istr, std::ostream& ostr, std::size_t bufferSize = 8192);
/// Writes all bytes readable from istr to ostr, using an internal buffer.
///
/// Returns the number of bytes copied as a 64-bit unsigned integer.
///
/// Note: the only difference to copyStream() is that a 64-bit unsigned
/// integer is used to count the number of bytes copied.
#endif
static std::streamsize copyStreamUnbuffered(std::istream& istr, std::ostream& ostr);
/// Writes all bytes readable from istr to ostr.
///
/// Returns the number of bytes copied.
#if defined(POCO_HAVE_INT64)
static Poco::UInt64 copyStreamUnbuffered64(std::istream& istr, std::ostream& ostr);
/// Writes all bytes readable from istr to ostr.
///
/// Returns the number of bytes copied as a 64-bit unsigned integer.
///
/// Note: the only difference to copyStreamUnbuffered() is that a 64-bit unsigned
/// integer is used to count the number of bytes copied.
#endif
static std::streamsize copyToString(std::istream& istr, std::string& str, std::size_t bufferSize = 8192);
/// Appends all bytes readable from istr to the given string, using an internal buffer.
///
/// Returns the number of bytes copied.
#if defined(POCO_HAVE_INT64)
static Poco::UInt64 copyToString64(std::istream& istr, std::string& str, std::size_t bufferSize = 8192);
/// Appends all bytes readable from istr to the given string, using an internal buffer.
///
/// Returns the number of bytes copied as a 64-bit unsigned integer.
///
/// Note: the only difference to copyToString() is that a 64-bit unsigned
/// integer is used to count the number of bytes copied.
#endif
};
} // namespace Poco
#endif // Foundation_StreamCopier_INCLUDED
|
