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c156427ded
This is a large API change that removes the two functions from StreamString that return a std::string& and a const std::string&, and instead provide one function which returns a StringRef. Direct access to the underlying buffer violates the concept of a "stream" which is intended to provide forward only access, and makes porting to llvm::raw_ostream more difficult in the future. Differential Revision: https://reviews.llvm.org/D26698 llvm-svn: 287152
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
//===-- StreamString.cpp ----------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Core/StreamString.h"
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#include <stdio.h>
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using namespace lldb;
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using namespace lldb_private;
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StreamString::StreamString() : Stream(0, 4, eByteOrderBig) {}
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StreamString::StreamString(uint32_t flags, uint32_t addr_size,
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ByteOrder byte_order)
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: Stream(flags, addr_size, byte_order), m_packet() {}
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StreamString::~StreamString() {}
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void StreamString::Flush() {
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// Nothing to do when flushing a buffer based stream...
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}
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size_t StreamString::Write(const void *s, size_t length) {
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m_packet.append(reinterpret_cast<const char *>(s), length);
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return length;
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}
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void StreamString::Clear() { m_packet.clear(); }
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bool StreamString::Empty() const { return GetSize() == 0; }
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size_t StreamString::GetSize() const { return m_packet.size(); }
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size_t StreamString::GetSizeOfLastLine() const {
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const size_t length = m_packet.size();
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size_t last_line_begin_pos = m_packet.find_last_of("\r\n");
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if (last_line_begin_pos == std::string::npos) {
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return length;
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} else {
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++last_line_begin_pos;
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return length - last_line_begin_pos;
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}
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}
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llvm::StringRef StreamString::GetString() const { return m_packet; }
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void StreamString::FillLastLineToColumn(uint32_t column, char fill_char) {
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const size_t length = m_packet.size();
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size_t last_line_begin_pos = m_packet.find_last_of("\r\n");
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if (last_line_begin_pos == std::string::npos) {
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last_line_begin_pos = 0;
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} else {
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++last_line_begin_pos;
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}
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const size_t line_columns = length - last_line_begin_pos;
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if (column > line_columns) {
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m_packet.append(column - line_columns, fill_char);
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}
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}
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