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//===-- StreamString.cpp --------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Utility/StreamString.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::WriteImpl(const void *s, size_t length) {
m_packet.append(static_cast<const char *>(s), length);
return length;
}
void StreamString::Clear() {
m_packet.clear();
m_bytes_written = 0;
}
bool StreamString::Empty() const { return GetSize() == 0; }
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;
}
}
llvm::StringRef 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);
}
}
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