LLDB mainline
StreamString.cpp
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1//===-- StreamString.cpp --------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
10
11using namespace lldb;
12using namespace lldb_private;
13
14StreamString::StreamString(bool colors) : Stream(0, 4, eByteOrderBig, colors) {}
15
16StreamString::StreamString(uint32_t flags, uint32_t addr_size,
17 ByteOrder byte_order)
18 : Stream(flags, addr_size, byte_order), m_packet() {}
19
21
23 // Nothing to do when flushing a buffer based stream...
24}
25
26size_t StreamString::WriteImpl(const void *s, size_t length) {
27 m_packet.append(static_cast<const char *>(s), length);
28 return length;
29}
30
32 m_packet.clear();
34}
35
36bool StreamString::Empty() const { return GetSize() == 0; }
37
38size_t StreamString::GetSize() const { return m_packet.size(); }
39
41 const size_t length = m_packet.size();
42 size_t last_line_begin_pos = m_packet.find_last_of("\r\n");
43 if (last_line_begin_pos == std::string::npos) {
44 return length;
45 } else {
46 ++last_line_begin_pos;
47 return length - last_line_begin_pos;
48 }
49}
50
51llvm::StringRef StreamString::GetString() const { return m_packet; }
52
53void StreamString::FillLastLineToColumn(uint32_t column, char fill_char) {
54 const size_t length = m_packet.size();
55 size_t last_line_begin_pos = m_packet.find_last_of("\r\n");
56 if (last_line_begin_pos == std::string::npos) {
57 last_line_begin_pos = 0;
58 } else {
59 ++last_line_begin_pos;
60 }
61
62 const size_t line_columns = length - last_line_begin_pos;
63 if (column > line_columns) {
64 m_packet.append(column - line_columns, fill_char);
65 }
66}
size_t WriteImpl(const void *s, size_t length) override
Output character bytes to the stream.
size_t GetSizeOfLastLine() const
void Flush() override
Flush the stream.
llvm::StringRef GetString() const
void FillLastLineToColumn(uint32_t column, char fill_char)
StreamString(bool colors=false)
A stream class that can stream formatted output to a file.
Definition: Stream.h:28
std::size_t m_bytes_written
Number of bytes written so far.
Definition: Stream.h:412
A class that represents a running process on the host machine.
Definition: SBAddress.h:15
ByteOrder
Byte ordering definitions.