1 //===-- StreamString.cpp ----------------------------------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "lldb/Utility/StreamString.h"
11
12 using namespace lldb;
13 using namespace lldb_private;
14
StreamString()15 StreamString::StreamString() : Stream(0, 4, eByteOrderBig) {}
16
StreamString(uint32_t flags,uint32_t addr_size,ByteOrder byte_order)17 StreamString::StreamString(uint32_t flags, uint32_t addr_size,
18 ByteOrder byte_order)
19 : Stream(flags, addr_size, byte_order), m_packet() {}
20
~StreamString()21 StreamString::~StreamString() {}
22
Flush()23 void StreamString::Flush() {
24 // Nothing to do when flushing a buffer based stream...
25 }
26
WriteImpl(const void * s,size_t length)27 size_t StreamString::WriteImpl(const void *s, size_t length) {
28 m_packet.append(reinterpret_cast<const char *>(s), length);
29 return length;
30 }
31
Clear()32 void StreamString::Clear() {
33 m_packet.clear();
34 m_bytes_written = 0;
35 }
36
Empty() const37 bool StreamString::Empty() const { return GetSize() == 0; }
38
GetSize() const39 size_t StreamString::GetSize() const { return m_packet.size(); }
40
GetSizeOfLastLine() const41 size_t StreamString::GetSizeOfLastLine() const {
42 const size_t length = m_packet.size();
43 size_t last_line_begin_pos = m_packet.find_last_of("\r\n");
44 if (last_line_begin_pos == std::string::npos) {
45 return length;
46 } else {
47 ++last_line_begin_pos;
48 return length - last_line_begin_pos;
49 }
50 }
51
GetString() const52 llvm::StringRef StreamString::GetString() const { return m_packet; }
53
FillLastLineToColumn(uint32_t column,char fill_char)54 void StreamString::FillLastLineToColumn(uint32_t column, char fill_char) {
55 const size_t length = m_packet.size();
56 size_t last_line_begin_pos = m_packet.find_last_of("\r\n");
57 if (last_line_begin_pos == std::string::npos) {
58 last_line_begin_pos = 0;
59 } else {
60 ++last_line_begin_pos;
61 }
62
63 const size_t line_columns = length - last_line_begin_pos;
64 if (column > line_columns) {
65 m_packet.append(column - line_columns, fill_char);
66 }
67 }
68