diff options
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Utility/StreamString.cpp')
-rw-r--r-- | contrib/llvm/tools/lldb/source/Utility/StreamString.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/contrib/llvm/tools/lldb/source/Utility/StreamString.cpp b/contrib/llvm/tools/lldb/source/Utility/StreamString.cpp new file mode 100644 index 0000000..75f58de --- /dev/null +++ b/contrib/llvm/tools/lldb/source/Utility/StreamString.cpp @@ -0,0 +1,64 @@ +//===-- 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/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::Write(const void *s, size_t length) { + m_packet.append(reinterpret_cast<const char *>(s), length); + return length; +} + +void StreamString::Clear() { m_packet.clear(); } + +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); + } +} |