67 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9#include "lldb/Utility/StreamString.h"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 20StreamString::~StreamString() = default;21 22void StreamString::Flush() {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 31void StreamString::Clear() {32 m_packet.clear();33 m_bytes_written = 0;34}35 36bool StreamString::Empty() const { return GetSize() == 0; }37 38size_t StreamString::GetSize() const { return m_packet.size(); }39 40size_t StreamString::GetSizeOfLastLine() const {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}67