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xahaud/include/xrpl/beast/utility/EnhancedLogging.h

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2.7 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of Beast: https://github.com/vinniefalco/Beast
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#ifndef BEAST_UTILITY_ENHANCEDLOGGING_H_INCLUDED
#define BEAST_UTILITY_ENHANCEDLOGGING_H_INCLUDED
#include <cstddef> // for size_t
#include <iosfwd> // for std::ostream
namespace beast {
namespace detail {
// Check if we should use colors - cached at startup
bool
should_log_use_colors();
// Get the log highlight color - can be overridden via
// LOG_HIGHLIGHT_COLOR
const char*
get_log_highlight_color();
// Strip source root path from __FILE__ at compile time
// IMPORTANT: This MUST stay in the header as constexpr for compile-time
// evaluation!
constexpr const char*
strip_source_root(const char* file)
{
#ifdef SOURCE_ROOT_PATH
constexpr const char* sourceRoot = SOURCE_ROOT_PATH;
constexpr auto strlen_constexpr = [](const char* s) constexpr {
const char* p = s;
while (*p)
++p;
return p - s;
};
constexpr auto strncmp_constexpr =
[](const char* a, const char* b, size_t n) constexpr {
for (size_t i = 0; i < n; ++i)
{
if (a[i] != b[i])
return a[i] - b[i];
if (a[i] == '\0')
break;
}
return 0;
};
constexpr size_t sourceRootLen = strlen_constexpr(sourceRoot);
return (strncmp_constexpr(file, sourceRoot, sourceRootLen) == 0)
? file + sourceRootLen
: file;
#else
return file;
#endif
}
// Check if location info should be shown - cached at startup
bool
should_show_location();
// Helper to write location string (no leading/trailing space)
void
log_write_location_string(std::ostream& os, const char* file, int line);
} // namespace detail
} // namespace beast
#endif