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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/tools/rbd/IndentStream.cc | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/rbd/IndentStream.cc')
-rw-r--r-- | src/tools/rbd/IndentStream.cc | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/tools/rbd/IndentStream.cc b/src/tools/rbd/IndentStream.cc new file mode 100644 index 000000000..83591a8cb --- /dev/null +++ b/src/tools/rbd/IndentStream.cc @@ -0,0 +1,59 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include "tools/rbd/IndentStream.h" + +namespace rbd { + +int IndentBuffer::overflow (int c) { + if (traits_type::eq_int_type(traits_type::eof(), c)) { + return traits_type::not_eof(c); + } + + int r; + switch (c) { + case '\n': + m_buffer += c; + flush_line(); + r = m_streambuf->sputn(m_buffer.c_str(), m_buffer.size()); + m_buffer.clear(); + return r; + case '\t': + // convert tab to single space and fall-through + c = ' '; + default: + if (m_indent + m_buffer.size() >= m_line_length) { + size_t word_offset = m_buffer.find_last_of(m_delim); + bool space_delim = (m_delim == " "); + if (word_offset == std::string::npos && !space_delim) { + word_offset = m_buffer.find_last_of(" "); + } + + if (word_offset != std::string::npos) { + flush_line(); + m_streambuf->sputn(m_buffer.c_str(), word_offset); + m_buffer = std::string(m_buffer, + word_offset + (space_delim ? 1 : 0)); + } else { + flush_line(); + m_streambuf->sputn(m_buffer.c_str(), m_buffer.size()); + m_buffer.clear(); + } + m_streambuf->sputc('\n'); + } + m_buffer += c; + return c; + } +} + +void IndentBuffer::flush_line() { + if (m_initial_offset >= m_indent) { + m_initial_offset = 0; + m_streambuf->sputc('\n'); + } + + m_streambuf->sputn(m_indent_prefix.c_str(), m_indent - m_initial_offset); + m_initial_offset = 0; +} + +} // namespace rbd |