llvm-project/lldb/source/Core/StreamString.cpp

117 lines
2.1 KiB
C++

//===-- StreamString.cpp ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Core/StreamString.h"
#include <stdio.h>
using namespace lldb;
using namespace lldb_private;
StreamString::StreamString () :
Stream (0, 4, eByteOrderBig)
{
}
StreamString::StreamString(uint32_t flags, uint32_t addr_size, ByteOrder byte_order) :
Stream (flags, addr_size, byte_order),
m_packet ()
{
}
StreamString::~StreamString()
{
}
void
StreamString::Flush ()
{
// Nothing to do when flushing a buffer based stream...
}
size_t
StreamString::Write (const void *s, size_t length)
{
m_packet.append ((char *)s, length);
return length;
}
void
StreamString::Clear()
{
m_packet.clear();
}
bool
StreamString::Empty() const
{
return GetSize() == 0;
}
const char *
StreamString::GetData () const
{
return m_packet.c_str();
}
size_t
StreamString::GetSize () const
{
return m_packet.size();
}
size_t
StreamString::GetSizeOfLastLine () const
{
const size_t length = m_packet.size();
size_t last_line_begin_pos = m_packet.find_last_of("\r\n");
if (last_line_begin_pos == std::string::npos)
{
return length;
}
else
{
++last_line_begin_pos;
return length - last_line_begin_pos;
}
}
std::string &
StreamString::GetString()
{
return m_packet;
}
const std::string &
StreamString::GetString() const
{
return m_packet;
}
void
StreamString::FillLastLineToColumn (uint32_t column, char fill_char)
{
const size_t length = m_packet.size();
size_t last_line_begin_pos = m_packet.find_last_of("\r\n");
if (last_line_begin_pos == std::string::npos)
{
last_line_begin_pos = 0;
}
else
{
++last_line_begin_pos;
}
const size_t line_columns = length - last_line_begin_pos;
if (column > line_columns)
{
m_packet.append(column - line_columns, fill_char);
}
}