| 1 | //===-- StreamString.cpp --------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "lldb/Utility/StreamString.h" |
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| 10 | |
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| 11 | using namespace lldb; |
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| 12 | using namespace lldb_private; |
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| 13 | |
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| 14 | StreamString::StreamString(bool colors) : Stream(0, 4, eByteOrderBig, colors) {} |
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| 15 | |
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| 16 | StreamString::StreamString(uint32_t flags, uint32_t addr_size, |
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| 17 | ByteOrder byte_order) |
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| 18 | : Stream(flags, addr_size, byte_order), m_packet() {} |
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| 19 | |
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| 20 | StreamString::~StreamString() = default; |
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| 21 | |
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| 22 | void StreamString::Flush() { |
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| 23 | // Nothing to do when flushing a buffer based stream... |
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| 24 | } |
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| 25 | |
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| 26 | size_t StreamString::WriteImpl(const void *s, size_t length) { |
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| 27 | m_packet.append(s: static_cast<const char *>(s), n: length); |
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| 28 | return length; |
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| 29 | } |
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| 30 | |
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| 31 | void StreamString::Clear() { |
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| 32 | m_packet.clear(); |
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| 33 | m_bytes_written = 0; |
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| 34 | } |
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| 35 | |
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| 36 | bool StreamString::Empty() const { return GetSize() == 0; } |
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| 37 | |
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| 38 | size_t StreamString::GetSize() const { return m_packet.size(); } |
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| 39 | |
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| 40 | size_t StreamString::GetSizeOfLastLine() const { |
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| 41 | const size_t length = m_packet.size(); |
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| 42 | size_t last_line_begin_pos = m_packet.find_last_of(s: "\r\n" ); |
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| 43 | if (last_line_begin_pos == std::string::npos) { |
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| 44 | return length; |
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| 45 | } else { |
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| 46 | ++last_line_begin_pos; |
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| 47 | return length - last_line_begin_pos; |
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| 48 | } |
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| 49 | } |
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| 50 | |
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| 51 | llvm::StringRef StreamString::GetString() const { return m_packet; } |
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| 52 | |
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| 53 | void StreamString::FillLastLineToColumn(uint32_t column, char fill_char) { |
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| 54 | const size_t length = m_packet.size(); |
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| 55 | size_t last_line_begin_pos = m_packet.find_last_of(s: "\r\n" ); |
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| 56 | if (last_line_begin_pos == std::string::npos) { |
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| 57 | last_line_begin_pos = 0; |
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| 58 | } else { |
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| 59 | ++last_line_begin_pos; |
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| 60 | } |
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| 61 | |
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| 62 | const size_t line_columns = length - last_line_begin_pos; |
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| 63 | if (column > line_columns) { |
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| 64 | m_packet.append(n: column - line_columns, c: fill_char); |
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| 65 | } |
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| 66 | } |
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| 67 | |
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