stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork

This commit is contained in:
2026-02-24 18:38:47 +00:00
parent da8c28aaeb
commit 65cb2619a7
13106 changed files with 2484322 additions and 1804 deletions
@@ -0,0 +1,280 @@
/*
* Copyright Andrey Semashev 2007 - 2015.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file formatters/c_decorator.hpp
* \author Andrey Semashev
* \date 18.11.2012
*
* The header contains implementation of C-style character decorators.
*/
#ifndef BOOST_LOG_EXPRESSIONS_FORMATTERS_C_DECORATOR_HPP_INCLUDED_
#define BOOST_LOG_EXPRESSIONS_FORMATTERS_C_DECORATOR_HPP_INCLUDED_
#include <limits>
#include <boost/range/iterator_range_core.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/detail/snprintf.hpp>
#include <boost/log/expressions/formatters/char_decorator.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace expressions {
namespace aux {
template< typename >
struct c_decorator_traits;
#ifdef BOOST_LOG_USE_CHAR
template< >
struct c_decorator_traits< char >
{
static boost::iterator_range< const char* const* > get_patterns()
{
static const char* const patterns[] =
{
"\\", "\a", "\b", "\f", "\n", "\r", "\t", "\v", "'", "\"", "?"
};
return boost::make_iterator_range(patterns);
}
static boost::iterator_range< const char* const* > get_replacements()
{
static const char* const replacements[] =
{
"\\\\", "\\a", "\\b", "\\f", "\\n", "\\r", "\\t", "\\v", "\\'", "\\\"", "\\?"
};
return boost::make_iterator_range(replacements);
}
template< unsigned int N >
static std::size_t print_escaped(char (&buf)[N], char c)
{
int n = boost::log::aux::snprintf(buf, N, "\\x%.2X", static_cast< unsigned int >(static_cast< uint8_t >(c)));
if (n < 0)
{
n = 0;
buf[0] = '\0';
}
return static_cast< unsigned int >(n) >= N ? N - 1 : static_cast< unsigned int >(n);
}
};
#endif // BOOST_LOG_USE_CHAR
#ifdef BOOST_LOG_USE_WCHAR_T
template< >
struct c_decorator_traits< wchar_t >
{
static boost::iterator_range< const wchar_t* const* > get_patterns()
{
static const wchar_t* const patterns[] =
{
L"\\", L"\a", L"\b", L"\f", L"\n", L"\r", L"\t", L"\v", L"'", L"\"", L"?"
};
return boost::make_iterator_range(patterns);
}
static boost::iterator_range< const wchar_t* const* > get_replacements()
{
static const wchar_t* const replacements[] =
{
L"\\\\", L"\\a", L"\\b", L"\\f", L"\\n", L"\\r", L"\\t", L"\\v", L"\\'", L"\\\"", L"\\?"
};
return boost::make_iterator_range(replacements);
}
template< unsigned int N >
static std::size_t print_escaped(wchar_t (&buf)[N], wchar_t c)
{
const wchar_t* format;
unsigned int val;
if (sizeof(wchar_t) == 1)
{
format = L"\\x%.2X";
val = static_cast< uint8_t >(c);
}
else if (sizeof(wchar_t) == 2)
{
format = L"\\x%.4X";
val = static_cast< uint16_t >(c);
}
else
{
format = L"\\x%.8X";
val = static_cast< uint32_t >(c);
}
int n = boost::log::aux::swprintf(buf, N, format, val);
if (n < 0)
{
n = 0;
buf[0] = L'\0';
}
return static_cast< unsigned int >(n) >= N ? N - 1 : static_cast< unsigned int >(n);
}
};
#endif // BOOST_LOG_USE_WCHAR_T
template< typename CharT >
struct c_decorator_gen
{
typedef CharT char_type;
template< typename SubactorT >
BOOST_FORCEINLINE char_decorator_actor< SubactorT, pattern_replacer< char_type > > operator[] (SubactorT const& subactor) const
{
typedef c_decorator_traits< char_type > traits_type;
typedef pattern_replacer< char_type > replacer_type;
typedef char_decorator_actor< SubactorT, replacer_type > result_type;
typedef typename result_type::terminal_type terminal_type;
typename result_type::base_type act = {{ terminal_type(subactor, replacer_type(traits_type::get_patterns(), traits_type::get_replacements())) }};
return result_type(act);
}
};
} // namespace aux
/*!
* C-style decorator generator object. The decorator replaces characters with specific meaning in C
* language with the corresponding escape sequences. The generator provides <tt>operator[]</tt> that
* can be used to construct the actual decorator. For example:
*
* <code>
* c_decor[ stream << attr< std::string >("MyAttr") ]
* </code>
*
* For wide-character formatting there is the similar \c wc_decor decorator generator object.
*/
#ifdef BOOST_LOG_USE_CHAR
const aux::c_decorator_gen< char > c_decor = {};
#endif
#ifdef BOOST_LOG_USE_WCHAR_T
const aux::c_decorator_gen< wchar_t > wc_decor = {};
#endif
/*!
* The function creates a C-style decorator generator for arbitrary character type.
*/
template< typename CharT >
BOOST_FORCEINLINE aux::c_decorator_gen< CharT > make_c_decor()
{
return aux::c_decorator_gen< CharT >();
}
/*!
* A character decorator implementation that escapes all non-prontable and non-ASCII characters
* in the output with C-style escape sequences.
*/
template< typename CharT >
class c_ascii_pattern_replacer :
public pattern_replacer< CharT >
{
private:
//! Base type
typedef pattern_replacer< CharT > base_type;
public:
//! Result type
typedef typename base_type::result_type result_type;
//! Character type
typedef typename base_type::char_type char_type;
//! String type
typedef typename base_type::string_type string_type;
private:
//! Traits type
typedef aux::c_decorator_traits< char_type > traits_type;
public:
//! Default constructor
c_ascii_pattern_replacer() : base_type(traits_type::get_patterns(), traits_type::get_replacements())
{
}
//! Applies string replacements starting from the specified position
result_type operator() (string_type& str, typename string_type::size_type start_pos = 0) const
{
base_type::operator() (str, start_pos);
typedef typename string_type::iterator string_iterator;
for (string_iterator it = str.begin() + start_pos, end = str.end(); it != end; ++it)
{
char_type c = *it;
if (c < 0x20 || c > 0x7e)
{
char_type buf[(std::numeric_limits< char_type >::digits + 3) / 4 + 3];
std::size_t n = traits_type::print_escaped(buf, c);
std::size_t pos = it - str.begin();
str.replace(pos, 1, buf, n);
it = str.begin() + n - 1;
end = str.end();
}
}
}
};
namespace aux {
template< typename CharT >
struct c_ascii_decorator_gen
{
typedef CharT char_type;
template< typename SubactorT >
BOOST_FORCEINLINE char_decorator_actor< SubactorT, c_ascii_pattern_replacer< char_type > > operator[] (SubactorT const& subactor) const
{
typedef c_ascii_pattern_replacer< char_type > replacer_type;
typedef char_decorator_actor< SubactorT, replacer_type > result_type;
typedef typename result_type::terminal_type terminal_type;
typename result_type::base_type act = {{ terminal_type(subactor, replacer_type()) }};
return result_type(act);
}
};
} // namespace aux
/*!
* C-style decorator generator object. Acts similarly to \c c_decor, except that \c c_ascii_decor also
* converts all non-ASCII and non-printable ASCII characters, except for space character, into
* C-style hexadecimal escape sequences. The generator provides <tt>operator[]</tt> that
* can be used to construct the actual decorator. For example:
*
* <code>
* c_ascii_decor[ stream << attr< std::string >("MyAttr") ]
* </code>
*
* For wide-character formatting there is the similar \c wc_ascii_decor decorator generator object.
*/
#ifdef BOOST_LOG_USE_CHAR
const aux::c_ascii_decorator_gen< char > c_ascii_decor = {};
#endif
#ifdef BOOST_LOG_USE_WCHAR_T
const aux::c_ascii_decorator_gen< wchar_t > wc_ascii_decor = {};
#endif
/*!
* The function creates a C-style decorator generator for arbitrary character type.
*/
template< typename CharT >
BOOST_FORCEINLINE aux::c_ascii_decorator_gen< CharT > make_c_ascii_decor()
{
return aux::c_ascii_decorator_gen< CharT >();
}
} // namespace expressions
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_EXPRESSIONS_FORMATTERS_C_DECORATOR_HPP_INCLUDED_
@@ -0,0 +1,645 @@
/*
* Copyright Andrey Semashev 2007 - 2015.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file formatters/char_decorator.hpp
* \author Andrey Semashev
* \date 17.11.2012
*
* The header contains implementation of a character decorator.
*/
#ifndef BOOST_LOG_EXPRESSIONS_FORMATTERS_CHAR_DECORATOR_HPP_INCLUDED_
#define BOOST_LOG_EXPRESSIONS_FORMATTERS_CHAR_DECORATOR_HPP_INCLUDED_
#include <vector>
#include <string>
#include <iterator>
#include <boost/assert.hpp>
#include <boost/static_assert.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
#include <boost/range/size.hpp>
#include <boost/range/const_iterator.hpp>
#include <boost/range/value_type.hpp>
#include <boost/move/core.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/core/addressof.hpp>
#include <boost/phoenix/core/actor.hpp>
#include <boost/phoenix/core/meta_grammar.hpp>
#include <boost/phoenix/core/terminal_fwd.hpp>
#include <boost/phoenix/core/is_nullary.hpp>
#include <boost/phoenix/core/environment.hpp>
#include <boost/phoenix/support/vector.hpp>
#include <boost/fusion/sequence/intrinsic/at_c.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/type_traits/remove_cv.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/detail/custom_terminal_spec.hpp>
#include <boost/log/detail/deduce_char_type.hpp>
#include <boost/log/detail/sfinae_tools.hpp>
#include <boost/log/utility/formatting_ostream.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace expressions {
namespace aux {
template< typename RangeT >
struct string_const_iterator : range_const_iterator< RangeT > {};
template< >
struct string_const_iterator< char* > { typedef char* type; };
template< >
struct string_const_iterator< const char* > { typedef const char* type; };
template< >
struct string_const_iterator< wchar_t* > { typedef wchar_t* type; };
template< >
struct string_const_iterator< const wchar_t* > { typedef const wchar_t* type; };
} // namespace aux
/*!
* A simple character decorator implementation. This implementation replaces string patterns in the source string with
* the fixed replacements. Source patterns and replacements can be specified at the object construction.
*/
template< typename CharT >
class pattern_replacer
{
public:
//! Result type
typedef void result_type;
//! Character type
typedef CharT char_type;
//! String type
typedef std::basic_string< char_type > string_type;
private:
//! Lengths of source pattern and replacement
struct string_lengths
{
unsigned int from_len, to_len;
};
//! List of the decorations to apply
typedef std::vector< string_lengths > string_lengths_list;
private:
//! Characters of the interleaved source patterns and replacements
string_type m_decoration_chars;
//! List of the decorations to apply
string_lengths_list m_string_lengths;
public:
/*!
* Initializing constructor. Creates a pattern replacer with the specified \a decorations.
* The provided decorations must be a sequence of \c std::pair of strings. The first element
* of each pair is the source pattern, and the second one is the corresponding replacement.
*/
template< typename RangeT >
explicit pattern_replacer(RangeT const& decorations
#ifndef BOOST_LOG_DOXYGEN_PASS
// This is needed for a workaround against an MSVC-10 and older bug in constructor overload resolution
, typename boost::enable_if_has_type< typename range_const_iterator< RangeT >::type, boost::log::aux::sfinae_dummy >::type = boost::log::aux::sfinae_dummy()
#endif
)
{
typedef typename range_const_iterator< RangeT >::type iterator;
for (iterator it = boost::begin(decorations), end_ = boost::end(decorations); it != end_; ++it)
{
string_lengths lens;
{
typedef typename aux::string_const_iterator< typename range_value< RangeT >::type::first_type >::type first_iterator;
first_iterator b = string_begin(it->first), e = string_end(it->first);
lens.from_len = static_cast< unsigned int >(std::distance(b, e));
m_decoration_chars.append(b, e);
}
{
typedef typename aux::string_const_iterator< typename range_value< RangeT >::type::second_type >::type second_iterator;
second_iterator b = string_begin(it->second), e = string_end(it->second);
lens.to_len = static_cast< unsigned int >(std::distance(b, e));
m_decoration_chars.append(b, e);
}
m_string_lengths.push_back(lens);
}
}
/*!
* Initializing constructor. Creates a pattern replacer with decorations specified
* in form of two same-sized string sequences. Each <tt>i</tt>'th decoration will be
* <tt>from[i]</tt> -> <tt>to[i]</tt>.
*/
template< typename FromRangeT, typename ToRangeT >
pattern_replacer(FromRangeT const& from, ToRangeT const& to)
{
typedef typename range_const_iterator< FromRangeT >::type iterator1;
typedef typename range_const_iterator< ToRangeT >::type iterator2;
iterator1 it1 = boost::begin(from), end1 = boost::end(from);
iterator2 it2 = boost::begin(to), end2 = boost::end(to);
for (; it1 != end1 && it2 != end2; ++it1, ++it2)
{
string_lengths lens;
{
typedef typename aux::string_const_iterator< typename range_value< FromRangeT >::type >::type from_iterator;
from_iterator b = string_begin(*it1), e = string_end(*it1);
lens.from_len = static_cast< unsigned int >(std::distance(b, e));
m_decoration_chars.append(b, e);
}
{
typedef typename aux::string_const_iterator< typename range_value< ToRangeT >::type >::type to_iterator;
to_iterator b = string_begin(*it2), e = string_end(*it2);
lens.to_len = static_cast< unsigned int >(std::distance(b, e));
m_decoration_chars.append(b, e);
}
m_string_lengths.push_back(lens);
}
// Both sequences should be of the same size
BOOST_ASSERT(it1 == end1);
BOOST_ASSERT(it2 == end2);
}
//! Copy constructor
pattern_replacer(pattern_replacer const& that) : m_decoration_chars(that.m_decoration_chars), m_string_lengths(that.m_string_lengths)
{
}
//! Applies string replacements starting from the specified position
result_type operator() (string_type& str, typename string_type::size_type start_pos = 0) const
{
typedef typename string_type::size_type size_type;
const char_type* from_chars = m_decoration_chars.c_str();
for (typename string_lengths_list::const_iterator it = m_string_lengths.begin(), end = m_string_lengths.end(); it != end; ++it)
{
const unsigned int from_len = it->from_len, to_len = it->to_len;
const char_type* const to_chars = from_chars + from_len;
for (size_type pos = str.find(from_chars, start_pos, from_len); pos != string_type::npos; pos = str.find(from_chars, pos, from_len))
{
str.replace(pos, from_len, to_chars, to_len);
pos += to_len;
}
from_chars = to_chars + to_len;
}
}
private:
static char_type* string_begin(char_type* p)
{
return p;
}
static const char_type* string_begin(const char_type* p)
{
return p;
}
template< typename RangeT >
static typename range_const_iterator< RangeT >::type string_begin(RangeT const& r)
{
return boost::begin(r);
}
static char_type* string_end(char_type* p)
{
return p + std::char_traits< char_type >::length(p);
}
static const char_type* string_end(const char_type* p)
{
return p + std::char_traits< char_type >::length(p);
}
template< typename RangeT >
static typename range_const_iterator< RangeT >::type string_end(RangeT const& r)
{
return boost::end(r);
}
};
namespace aux {
//! Character decorator stream output terminal
template< typename LeftT, typename SubactorT, typename ImplT >
class char_decorator_output_terminal
{
private:
//! Self type
typedef char_decorator_output_terminal< LeftT, SubactorT, ImplT > this_type;
public:
#ifndef BOOST_LOG_DOXYGEN_PASS
//! Internal typedef for type categorization
typedef void _is_boost_log_terminal;
#endif
//! Implementation type
typedef ImplT impl_type;
//! Character type
typedef typename impl_type::char_type char_type;
//! String type
typedef typename impl_type::string_type string_type;
//! Adopted actor type
typedef SubactorT subactor_type;
//! Result type definition
template< typename >
struct result;
template< typename ThisT, typename ContextT >
struct result< ThisT(ContextT) >
{
typedef typename remove_cv< typename remove_reference< ContextT >::type >::type context_type;
typedef typename phoenix::evaluator::impl<
typename LeftT::proto_base_expr&,
context_type,
phoenix::unused
>::result_type type;
};
private:
//! Left argument actor
LeftT m_left;
//! Adopted formatter actor
subactor_type m_subactor;
//! Implementation type
impl_type m_impl;
public:
/*!
* Initializing constructor. Creates decorator of the \a fmt formatter with the specified \a decorations.
*/
char_decorator_output_terminal(LeftT const& left, subactor_type const& sub, impl_type const& impl) :
m_left(left), m_subactor(sub), m_impl(impl)
{
}
/*!
* Copy constructor
*/
char_decorator_output_terminal(char_decorator_output_terminal const& that) :
m_left(that.m_left), m_subactor(that.m_subactor), m_impl(that.m_impl)
{
}
/*!
* Invokation operator
*/
template< typename ContextT >
typename result< this_type(ContextT const&) >::type operator() (ContextT const& ctx)
{
// Flush the stream and keep the current write position in the target string
typedef typename result< this_type(ContextT const&) >::type result_type;
result_type strm = phoenix::eval(m_left, ctx);
strm.flush();
typename string_type::size_type const start_pos = strm.rdbuf()->storage()->size();
// Invoke the adopted formatter
phoenix::eval(m_subactor, ctx);
// Flush the buffered characters and apply decorations
strm.flush();
m_impl(*strm.rdbuf()->storage(), start_pos);
strm.rdbuf()->ensure_max_size();
return strm;
}
/*!
* Invokation operator
*/
template< typename ContextT >
typename result< const this_type(ContextT const&) >::type operator() (ContextT const& ctx) const
{
// Flush the stream and keep the current write position in the target string
typedef typename result< const this_type(ContextT const&) >::type result_type;
result_type strm = phoenix::eval(m_left, ctx);
strm.flush();
typename string_type::size_type const start_pos = strm.rdbuf()->storage()->size();
// Invoke the adopted formatter
phoenix::eval(m_subactor, ctx);
// Flush the buffered characters and apply decorations
strm.flush();
m_impl(*strm.rdbuf()->storage(), start_pos);
strm.rdbuf()->ensure_max_size();
return strm;
}
BOOST_DELETED_FUNCTION(char_decorator_output_terminal())
};
} // namespace aux
/*!
* Character decorator terminal class. This formatter allows to modify strings generated by other
* formatters on character level. The most obvious application of decorators is replacing
* a certain set of characters with decorated equivalents to satisfy requirements of
* text-based sinks.
*
* The \c char_decorator_terminal class aggregates the formatter being decorated, and a set
* of string pairs that are used as decorations. All decorations are applied sequentially.
* The \c char_decorator_terminal class is a formatter itself, so it can be used to construct
* more complex formatters, including nesting decorators.
*/
template< typename SubactorT, typename ImplT >
class char_decorator_terminal
{
private:
//! Self type
typedef char_decorator_terminal< SubactorT, ImplT > this_type;
public:
#ifndef BOOST_LOG_DOXYGEN_PASS
//! Internal typedef for type categorization
typedef void _is_boost_log_terminal;
#endif
//! Implementation type
typedef ImplT impl_type;
//! Character type
typedef typename impl_type::char_type char_type;
//! String type
typedef typename impl_type::string_type string_type;
//! Stream type
typedef basic_formatting_ostream< char_type > stream_type;
//! Adopted actor type
typedef SubactorT subactor_type;
//! Result type definition
typedef string_type result_type;
private:
//! Adopted formatter actor
subactor_type m_subactor;
//! Implementation
impl_type m_impl;
public:
/*!
* Initializing constructor.
*/
char_decorator_terminal(subactor_type const& sub, impl_type const& impl) : m_subactor(sub), m_impl(impl)
{
}
/*!
* Copy constructor
*/
char_decorator_terminal(char_decorator_terminal const& that) : m_subactor(that.m_subactor), m_impl(that.m_impl)
{
}
/*!
* \returns Adopted subactor
*/
subactor_type const& get_subactor() const
{
return m_subactor;
}
/*!
* \returns Implementation
*/
impl_type const& get_impl() const
{
return m_impl;
}
/*!
* Invokation operator
*/
template< typename ContextT >
result_type operator() (ContextT const& ctx)
{
string_type str;
stream_type strm(str);
// Invoke the adopted formatter
typedef phoenix::vector3<
subactor_type*,
typename fusion::result_of::at_c<
typename remove_cv<
typename remove_reference<
typename phoenix::result_of::env< ContextT const& >::type
>::type
>::type::args_type,
0
>::type,
stream_type&
> env_type;
env_type env = { boost::addressof(m_subactor), fusion::at_c< 0 >(phoenix::env(ctx).args()), strm };
phoenix::eval(m_subactor, phoenix::make_context(env, phoenix::actions(ctx)));
// Flush the buffered characters and apply decorations
strm.flush();
m_impl(*strm.rdbuf()->storage());
return BOOST_LOG_NRVO_RESULT(str);
}
/*!
* Invokation operator
*/
template< typename ContextT >
result_type operator() (ContextT const& ctx) const
{
string_type str;
stream_type strm(str);
// Invoke the adopted formatter
typedef phoenix::vector3<
const subactor_type*,
typename fusion::result_of::at_c<
typename remove_cv<
typename remove_reference<
typename phoenix::result_of::env< ContextT const& >::type
>::type
>::type::args_type,
0
>::type,
stream_type&
> env_type;
env_type env = { boost::addressof(m_subactor), fusion::at_c< 0 >(phoenix::env(ctx).args()), strm };
phoenix::eval(m_subactor, phoenix::make_context(env, phoenix::actions(ctx)));
// Flush the buffered characters and apply decorations
strm.flush();
m_impl(*strm.rdbuf()->storage());
return BOOST_LOG_NRVO_RESULT(str);
}
BOOST_DELETED_FUNCTION(char_decorator_terminal())
};
/*!
* Character decorator actor
*/
template< typename SubactorT, typename ImplT, template< typename > class ActorT = phoenix::actor >
class char_decorator_actor :
public ActorT< char_decorator_terminal< SubactorT, ImplT > >
{
public:
//! Base terminal type
typedef char_decorator_terminal< SubactorT, ImplT > terminal_type;
//! Character type
typedef typename terminal_type::char_type char_type;
//! Base actor type
typedef ActorT< terminal_type > base_type;
public:
//! Initializing constructor
explicit char_decorator_actor(base_type const& act) : base_type(act)
{
}
//! Returns reference to the terminal
terminal_type const& get_terminal() const
{
return this->proto_expr_.child0;
}
};
#ifndef BOOST_LOG_DOXYGEN_PASS
#define BOOST_LOG_AUX_OVERLOAD(left_ref, right_ref)\
template< typename LeftExprT, typename SubactorT, typename ImplT, template< typename > class ActorT >\
BOOST_FORCEINLINE phoenix::actor< aux::char_decorator_output_terminal< phoenix::actor< LeftExprT >, SubactorT, ImplT > >\
operator<< (phoenix::actor< LeftExprT > left_ref left, char_decorator_actor< SubactorT, ImplT, ActorT > right_ref right)\
{\
typedef aux::char_decorator_output_terminal< phoenix::actor< LeftExprT >, SubactorT, ImplT > terminal_type;\
phoenix::actor< terminal_type > actor = {{ terminal_type(left, right.get_terminal().get_subactor(), right.get_terminal().get_impl()) }};\
return actor;\
}
#include <boost/log/detail/generate_overloads.hpp>
#undef BOOST_LOG_AUX_OVERLOAD
#endif // BOOST_LOG_DOXYGEN_PASS
namespace aux {
template< typename RangeT >
class char_decorator_gen1
{
RangeT const& m_decorations;
typedef typename boost::log::aux::deduce_char_type< typename range_value< RangeT >::type::first_type >::type char_type;
public:
explicit char_decorator_gen1(RangeT const& decorations) : m_decorations(decorations)
{
}
template< typename SubactorT >
BOOST_FORCEINLINE char_decorator_actor< SubactorT, pattern_replacer< char_type > > operator[] (SubactorT const& subactor) const
{
typedef pattern_replacer< char_type > replacer_type;
typedef char_decorator_actor< SubactorT, replacer_type > result_type;
typedef typename result_type::terminal_type terminal_type;
typename result_type::base_type act = {{ terminal_type(subactor, replacer_type(m_decorations)) }};
return result_type(act);
}
};
template< typename FromRangeT, typename ToRangeT >
class char_decorator_gen2
{
FromRangeT const& m_from;
ToRangeT const& m_to;
typedef typename boost::log::aux::deduce_char_type< typename range_value< FromRangeT >::type >::type from_char_type;
typedef typename boost::log::aux::deduce_char_type< typename range_value< ToRangeT >::type >::type to_char_type;
BOOST_STATIC_ASSERT_MSG((is_same< from_char_type, to_char_type >::value), "Boost.Log: character decorator cannot be instantiated with different character types for source and replacement strings");
public:
char_decorator_gen2(FromRangeT const& from, ToRangeT const& to) : m_from(from), m_to(to)
{
}
template< typename SubactorT >
BOOST_FORCEINLINE char_decorator_actor< SubactorT, pattern_replacer< from_char_type > > operator[] (SubactorT const& subactor) const
{
typedef pattern_replacer< from_char_type > replacer_type;
typedef char_decorator_actor< SubactorT, replacer_type > result_type;
typedef typename result_type::terminal_type terminal_type;
typename result_type::base_type act = {{ terminal_type(subactor, replacer_type(m_from, m_to)) }};
return result_type(act);
}
};
} // namespace aux
/*!
* The function returns a decorator generator object. The generator provides <tt>operator[]</tt> that can be used
* to construct the actual decorator.
*
* \param decorations A sequence of string pairs that will be used as decorations. Every <tt>decorations[i].first</tt>
* substring occurrence in the output will be replaced with <tt>decorations[i].second</tt>.
*/
template< typename RangeT >
BOOST_FORCEINLINE aux::char_decorator_gen1< RangeT > char_decor(RangeT const& decorations)
{
return aux::char_decorator_gen1< RangeT >(decorations);
}
/*!
* The function returns a decorator generator object. The generator provides <tt>operator[]</tt> that can be used
* to construct the actual decorator.
*
* \param from A sequence of strings that will be sought in the output.
* \param to A sequence of strings that will be used as replacements.
*
* \note The \a from and \a to sequences mush be of the same size. Every <tt>from[i]</tt>
* substring occurrence in the output will be replaced with <tt>to[i]</tt>.
*/
template< typename FromRangeT, typename ToRangeT >
BOOST_FORCEINLINE aux::char_decorator_gen2< FromRangeT, ToRangeT > char_decor(FromRangeT const& from, ToRangeT const& to)
{
return aux::char_decorator_gen2< FromRangeT, ToRangeT >(from, to);
}
} // namespace expressions
BOOST_LOG_CLOSE_NAMESPACE // namespace log
#ifndef BOOST_LOG_DOXYGEN_PASS
namespace phoenix {
namespace result_of {
template< typename SubactorT, typename ImplT >
struct is_nullary< custom_terminal< boost::log::expressions::char_decorator_terminal< SubactorT, ImplT > > > :
public mpl::false_
{
};
template< typename LeftT, typename SubactorT, typename ImplT >
struct is_nullary< custom_terminal< boost::log::expressions::aux::char_decorator_output_terminal< LeftT, SubactorT, ImplT > > > :
public mpl::false_
{
};
} // namespace result_of
} // namespace phoenix
#endif
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_EXPRESSIONS_FORMATTERS_CHAR_DECORATOR_HPP_INCLUDED_
@@ -0,0 +1,140 @@
/*
* Copyright Andrey Semashev 2007 - 2015.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file formatters/csv_decorator.hpp
* \author Andrey Semashev
* \date 18.11.2012
*
* The header contains implementation of a CSV-style character decorator.
* See: http://en.wikipedia.org/wiki/Comma-separated_values
*/
#ifndef BOOST_LOG_EXPRESSIONS_FORMATTERS_CSV_DECORATOR_HPP_INCLUDED_
#define BOOST_LOG_EXPRESSIONS_FORMATTERS_CSV_DECORATOR_HPP_INCLUDED_
#include <boost/range/iterator_range_core.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/expressions/formatters/char_decorator.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace expressions {
namespace aux {
template< typename >
struct csv_decorator_traits;
#ifdef BOOST_LOG_USE_CHAR
template< >
struct csv_decorator_traits< char >
{
static boost::iterator_range< const char* const* > get_patterns()
{
static const char* const patterns[] =
{
"\""
};
return boost::make_iterator_range(patterns);
}
static boost::iterator_range< const char* const* > get_replacements()
{
static const char* const replacements[] =
{
"\"\""
};
return boost::make_iterator_range(replacements);
}
};
#endif // BOOST_LOG_USE_CHAR
#ifdef BOOST_LOG_USE_WCHAR_T
template< >
struct csv_decorator_traits< wchar_t >
{
static boost::iterator_range< const wchar_t* const* > get_patterns()
{
static const wchar_t* const patterns[] =
{
L"\""
};
return boost::make_iterator_range(patterns);
}
static boost::iterator_range< const wchar_t* const* > get_replacements()
{
static const wchar_t* const replacements[] =
{
L"\"\""
};
return boost::make_iterator_range(replacements);
}
};
#endif // BOOST_LOG_USE_WCHAR_T
template< typename CharT >
struct csv_decorator_gen
{
typedef CharT char_type;
template< typename SubactorT >
BOOST_FORCEINLINE char_decorator_actor< SubactorT, pattern_replacer< char_type > > operator[] (SubactorT const& subactor) const
{
typedef csv_decorator_traits< char_type > traits_type;
typedef pattern_replacer< char_type > replacer_type;
typedef char_decorator_actor< SubactorT, replacer_type > result_type;
typedef typename result_type::terminal_type terminal_type;
typename result_type::base_type act = {{ terminal_type(subactor, replacer_type(traits_type::get_patterns(), traits_type::get_replacements())) }};
return result_type(act);
}
};
} // namespace aux
/*!
* CSV-style decorator generator object. The decorator doubles double quotes that may be found
* in the output. See http://en.wikipedia.org/wiki/Comma-separated_values for more information on
* the CSV format. The generator provides <tt>operator[]</tt> that can be used to construct
* the actual decorator. For example:
*
* <code>
* csv_decor[ stream << attr< std::string >("MyAttr") ]
* </code>
*
* For wide-character formatting there is the similar \c wcsv_decor decorator generator object.
*/
#ifdef BOOST_LOG_USE_CHAR
const aux::csv_decorator_gen< char > csv_decor = {};
#endif
#ifdef BOOST_LOG_USE_WCHAR_T
const aux::csv_decorator_gen< wchar_t > wcsv_decor = {};
#endif
/*!
* The function creates an CSV-style decorator generator for arbitrary character type.
*/
template< typename CharT >
BOOST_FORCEINLINE aux::csv_decorator_gen< CharT > make_csv_decor()
{
return aux::csv_decorator_gen< CharT >();
}
} // namespace expressions
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_EXPRESSIONS_FORMATTERS_CSV_DECORATOR_HPP_INCLUDED_
@@ -0,0 +1,345 @@
/*
* Copyright Andrey Semashev 2007 - 2015.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file formatters/date_time.hpp
* \author Andrey Semashev
* \date 16.09.2012
*
* The header contains a formatter function for date and time attribute values.
*/
#ifndef BOOST_LOG_EXPRESSIONS_FORMATTERS_DATE_TIME_HPP_INCLUDED_
#define BOOST_LOG_EXPRESSIONS_FORMATTERS_DATE_TIME_HPP_INCLUDED_
#include <string>
#include <boost/move/core.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/phoenix/core/actor.hpp>
#include <boost/phoenix/core/terminal_fwd.hpp>
#include <boost/phoenix/core/is_nullary.hpp>
#include <boost/phoenix/core/environment.hpp>
#include <boost/fusion/sequence/intrinsic/at_c.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/attributes/attribute_name.hpp>
#include <boost/log/attributes/fallback_policy.hpp>
#include <boost/log/attributes/value_visitation.hpp>
#include <boost/log/detail/light_function.hpp>
#include <boost/log/detail/date_time_fmt_gen_traits_fwd.hpp>
#include <boost/log/detail/custom_terminal_spec.hpp>
#include <boost/log/detail/attr_output_terminal.hpp>
#include <boost/log/expressions/attr_fwd.hpp>
#include <boost/log/expressions/keyword_fwd.hpp>
#include <boost/log/utility/formatting_ostream.hpp>
#include <boost/log/utility/functional/bind.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace expressions {
/*!
* Date and time formatter terminal.
*/
template< typename T, typename FallbackPolicyT, typename CharT >
class format_date_time_terminal
{
public:
#ifndef BOOST_LOG_DOXYGEN_PASS
//! Internal typedef for type categorization
typedef void _is_boost_log_terminal;
#endif
//! Attribute value type
typedef T value_type;
//! Fallback policy
typedef FallbackPolicyT fallback_policy;
//! Character type
typedef CharT char_type;
//! String type
typedef std::basic_string< char_type > string_type;
//! Formatting stream type
typedef basic_formatting_ostream< char_type > stream_type;
//! Formatter function
typedef boost::log::aux::light_function< void (stream_type&, value_type const&) > formatter_function_type;
//! Function result type
typedef string_type result_type;
private:
//! Formatter generator traits
typedef aux::date_time_formatter_generator_traits< value_type, char_type > formatter_generator;
//! Attribute value visitor invoker
typedef value_visitor_invoker< value_type, fallback_policy > visitor_invoker_type;
private:
//! Attribute name
attribute_name m_name;
//! Formattr function
formatter_function_type m_formatter;
//! Attribute value visitor invoker
visitor_invoker_type m_visitor_invoker;
public:
//! Initializing constructor
format_date_time_terminal(attribute_name const& name, fallback_policy const& fallback, string_type const& format) :
m_name(name), m_formatter(formatter_generator::parse(format)), m_visitor_invoker(fallback)
{
}
//! Copy constructor
format_date_time_terminal(format_date_time_terminal const& that) :
m_name(that.m_name), m_formatter(that.m_formatter), m_visitor_invoker(that.m_visitor_invoker)
{
}
//! Returns attribute name
attribute_name get_name() const
{
return m_name;
}
//! Returns fallback policy
fallback_policy const& get_fallback_policy() const
{
return m_visitor_invoker.get_fallback_policy();
}
//! Retruns formatter function
formatter_function_type const& get_formatter_function() const
{
return m_formatter;
}
//! Invokation operator
template< typename ContextT >
result_type operator() (ContextT const& ctx)
{
string_type str;
stream_type strm(str);
m_visitor_invoker(m_name, fusion::at_c< 0 >(phoenix::env(ctx).args()), binder1st< formatter_function_type&, stream_type& >(m_formatter, strm));
strm.flush();
return BOOST_LOG_NRVO_RESULT(str);
}
//! Invokation operator
template< typename ContextT >
result_type operator() (ContextT const& ctx) const
{
string_type str;
stream_type strm(str);
m_visitor_invoker(m_name, fusion::at_c< 0 >(phoenix::env(ctx).args()), binder1st< formatter_function_type const&, stream_type& >(m_formatter, strm));
strm.flush();
return BOOST_LOG_NRVO_RESULT(str);
}
BOOST_DELETED_FUNCTION(format_date_time_terminal())
};
/*!
* Date and time formatter actor.
*/
template< typename T, typename FallbackPolicyT, typename CharT, template< typename > class ActorT = phoenix::actor >
class format_date_time_actor :
public ActorT< format_date_time_terminal< T, FallbackPolicyT, CharT > >
{
public:
//! Attribute value type
typedef T value_type;
//! Character type
typedef CharT char_type;
//! Fallback policy
typedef FallbackPolicyT fallback_policy;
//! Base terminal type
typedef format_date_time_terminal< value_type, fallback_policy, char_type > terminal_type;
//! Formatter function
typedef typename terminal_type::formatter_function_type formatter_function_type;
//! Base actor type
typedef ActorT< terminal_type > base_type;
public:
//! Initializing constructor
explicit format_date_time_actor(base_type const& act) : base_type(act)
{
}
/*!
* \returns The attribute name
*/
attribute_name get_name() const
{
return this->proto_expr_.child0.get_name();
}
/*!
* \returns Fallback policy
*/
fallback_policy const& get_fallback_policy() const
{
return this->proto_expr_.child0.get_fallback_policy();
}
/*!
* \returns Formatter function
*/
formatter_function_type const& get_formatter_function() const
{
return this->proto_expr_.child0.get_formatter_function();
}
};
#ifndef BOOST_LOG_DOXYGEN_PASS
#define BOOST_LOG_AUX_OVERLOAD(left_ref, right_ref)\
template< typename LeftExprT, typename T, typename FallbackPolicyT, typename CharT >\
BOOST_FORCEINLINE phoenix::actor< aux::attribute_output_terminal< phoenix::actor< LeftExprT >, T, FallbackPolicyT, typename format_date_time_actor< T, FallbackPolicyT, CharT >::formatter_function_type > >\
operator<< (phoenix::actor< LeftExprT > left_ref left, format_date_time_actor< T, FallbackPolicyT, CharT > right_ref right)\
{\
typedef aux::attribute_output_terminal< phoenix::actor< LeftExprT >, T, FallbackPolicyT, typename format_date_time_actor< T, FallbackPolicyT, CharT >::formatter_function_type > terminal_type;\
phoenix::actor< terminal_type > actor = {{ terminal_type(left, right.get_name(), right.get_formatter_function(), right.get_fallback_policy()) }};\
return actor;\
}
#include <boost/log/detail/generate_overloads.hpp>
#undef BOOST_LOG_AUX_OVERLOAD
#endif // BOOST_LOG_DOXYGEN_PASS
/*!
* The function generates a manipulator node in a template expression. The manipulator must participate in a formatting
* expression (stream output or \c format placeholder filler).
*
* \param name Attribute name
* \param format Format string
*/
template< typename AttributeValueT, typename CharT >
BOOST_FORCEINLINE format_date_time_actor< AttributeValueT, fallback_to_none, CharT > format_date_time(attribute_name const& name, const CharT* format)
{
typedef format_date_time_actor< AttributeValueT, fallback_to_none, CharT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(name, fallback_to_none(), format) }};
return actor_type(act);
}
/*!
* The function generates a manipulator node in a template expression. The manipulator must participate in a formatting
* expression (stream output or \c format placeholder filler).
*
* \param name Attribute name
* \param format Format string
*/
template< typename AttributeValueT, typename CharT >
BOOST_FORCEINLINE format_date_time_actor< AttributeValueT, fallback_to_none, CharT > format_date_time(attribute_name const& name, std::basic_string< CharT > const& format)
{
typedef format_date_time_actor< AttributeValueT, fallback_to_none, CharT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(name, fallback_to_none(), format) }};
return actor_type(act);
}
/*!
* The function generates a manipulator node in a template expression. The manipulator must participate in a formatting
* expression (stream output or \c format placeholder filler).
*
* \param keyword Attribute keyword
* \param format Format string
*/
template< typename DescriptorT, template< typename > class ActorT, typename CharT >
BOOST_FORCEINLINE format_date_time_actor< typename DescriptorT::value_type, fallback_to_none, CharT, ActorT >
format_date_time(attribute_keyword< DescriptorT, ActorT > const& keyword, const CharT* format)
{
typedef format_date_time_actor< typename DescriptorT::value_type, fallback_to_none, CharT, ActorT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(keyword.get_name(), fallback_to_none(), format) }};
return actor_type(act);
}
/*!
* The function generates a manipulator node in a template expression. The manipulator must participate in a formatting
* expression (stream output or \c format placeholder filler).
*
* \param keyword Attribute keyword
* \param format Format string
*/
template< typename DescriptorT, template< typename > class ActorT, typename CharT >
BOOST_FORCEINLINE format_date_time_actor< typename DescriptorT::value_type, fallback_to_none, CharT, ActorT >
format_date_time(attribute_keyword< DescriptorT, ActorT > const& keyword, std::basic_string< CharT > const& format)
{
typedef format_date_time_actor< typename DescriptorT::value_type, fallback_to_none, CharT, ActorT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(keyword.get_name(), fallback_to_none(), format) }};
return actor_type(act);
}
/*!
* The function generates a manipulator node in a template expression. The manipulator must participate in a formatting
* expression (stream output or \c format placeholder filler).
*
* \param placeholder Attribute placeholder
* \param format Format string
*/
template< typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT, typename CharT >
BOOST_FORCEINLINE format_date_time_actor< T, FallbackPolicyT, CharT, ActorT >
format_date_time(attribute_actor< T, FallbackPolicyT, TagT, ActorT > const& placeholder, const CharT* format)
{
typedef format_date_time_actor< T, FallbackPolicyT, CharT, ActorT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(placeholder.get_name(), placeholder.get_fallback_policy(), format) }};
return actor_type(act);
}
/*!
* The function generates a manipulator node in a template expression. The manipulator must participate in a formatting
* expression (stream output or \c format placeholder filler).
*
* \param placeholder Attribute placeholder
* \param format Format string
*/
template< typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT, typename CharT >
BOOST_FORCEINLINE format_date_time_actor< T, FallbackPolicyT, CharT, ActorT >
format_date_time(attribute_actor< T, FallbackPolicyT, TagT, ActorT > const& placeholder, std::basic_string< CharT > const& format)
{
typedef format_date_time_actor< T, FallbackPolicyT, CharT, ActorT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(placeholder.get_name(), placeholder.get_fallback_policy(), format) }};
return actor_type(act);
}
} // namespace expressions
BOOST_LOG_CLOSE_NAMESPACE // namespace log
#ifndef BOOST_LOG_DOXYGEN_PASS
namespace phoenix {
namespace result_of {
template< typename T, typename FallbackPolicyT, typename CharT >
struct is_nullary< custom_terminal< boost::log::expressions::format_date_time_terminal< T, FallbackPolicyT, CharT > > > :
public mpl::false_
{
};
} // namespace result_of
} // namespace phoenix
#endif // BOOST_LOG_DOXYGEN_PASS
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_EXPRESSIONS_FORMATTERS_DATE_TIME_HPP_INCLUDED_
@@ -0,0 +1,130 @@
/*
* Copyright Andrey Semashev 2007 - 2015.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file formatters/format.hpp
* \author Andrey Semashev
* \date 15.11.2012
*
* The header contains a generic log record formatter function.
*/
#ifndef BOOST_LOG_EXPRESSIONS_FORMATTERS_FORMAT_HPP_INCLUDED_
#define BOOST_LOG_EXPRESSIONS_FORMATTERS_FORMAT_HPP_INCLUDED_
#include <string>
#include <boost/mpl/bool.hpp>
#include <boost/phoenix/core/actor.hpp>
#include <boost/phoenix/core/terminal_fwd.hpp>
#include <boost/phoenix/core/is_nullary.hpp>
#include <boost/phoenix/core/environment.hpp>
#include <boost/fusion/sequence/intrinsic/at_c.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/detail/format.hpp>
#include <boost/log/detail/custom_terminal_spec.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace expressions {
/*!
* \brief Template expressions terminal node with Boost.Format-like formatter
*/
template< typename CharT >
class format_terminal
{
public:
#ifndef BOOST_LOG_DOXYGEN_PASS
//! Internal typedef for type categorization
typedef void _is_boost_log_terminal;
#endif
//! Character type
typedef CharT char_type;
//! Boost.Format formatter type
typedef boost::log::aux::basic_format< char_type > format_type;
//! String type
typedef std::basic_string< char_type > string_type;
//! Terminal result type
typedef typename format_type::pump result_type;
private:
//! Formatter object
mutable format_type m_format;
public:
//! Initializing constructor
explicit format_terminal(const char_type* format) : m_format(format) {}
//! Invokation operator
template< typename ContextT >
result_type operator() (ContextT const& ctx) const
{
return m_format.make_pump(fusion::at_c< 1 >(phoenix::env(ctx).args()));
}
BOOST_DELETED_FUNCTION(format_terminal())
};
/*!
* The function generates a terminal node in a template expression. The node will perform log record formatting
* according to the provided format string.
*/
template< typename CharT >
BOOST_FORCEINLINE phoenix::actor< format_terminal< CharT > > format(const CharT* fmt)
{
typedef format_terminal< CharT > terminal_type;
phoenix::actor< terminal_type > act = {{ terminal_type(fmt) }};
return act;
}
/*!
* The function generates a terminal node in a template expression. The node will perform log record formatting
* according to the provided format string.
*/
template< typename CharT, typename TraitsT, typename AllocatorT >
BOOST_FORCEINLINE phoenix::actor< format_terminal< CharT > > format(std::basic_string< CharT, TraitsT, AllocatorT > const& fmt)
{
typedef format_terminal< CharT > terminal_type;
phoenix::actor< terminal_type > act = {{ terminal_type(fmt.c_str()) }};
return act;
}
} // namespace expressions
BOOST_LOG_CLOSE_NAMESPACE // namespace log
#ifndef BOOST_LOG_DOXYGEN_PASS
namespace phoenix {
namespace result_of {
template< typename CharT >
struct is_nullary< custom_terminal< boost::log::expressions::format_terminal< CharT > > > :
public mpl::false_
{
};
} // namespace result_of
} // namespace phoenix
#endif
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_EXPRESSIONS_FORMATTERS_FORMAT_HPP_INCLUDED_
@@ -0,0 +1,319 @@
/*
* Copyright Andrey Semashev 2007 - 2015.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file formatters/if.hpp
* \author Andrey Semashev
* \date 17.11.2012
*
* The header contains implementation of a conditional formatter.
*/
#ifndef BOOST_LOG_EXPRESSIONS_FORMATTERS_IF_HPP_INCLUDED_
#define BOOST_LOG_EXPRESSIONS_FORMATTERS_IF_HPP_INCLUDED_
#include <boost/mpl/bool.hpp>
#include <boost/phoenix/core/actor.hpp>
#include <boost/phoenix/core/meta_grammar.hpp>
#include <boost/phoenix/core/terminal_fwd.hpp>
#include <boost/phoenix/core/is_nullary.hpp>
#include <boost/phoenix/core/environment.hpp>
#include <boost/fusion/sequence/intrinsic/at_c.hpp>
#include <boost/type_traits/remove_cv.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/detail/custom_terminal_spec.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace expressions {
namespace aux {
template< typename LeftT, typename CondT, typename ThenT >
class if_output_terminal
{
private:
//! Self type
typedef if_output_terminal this_type;
public:
#ifndef BOOST_LOG_DOXYGEN_PASS
//! Internal typedef for type categorization
typedef void _is_boost_log_terminal;
#endif
//! Result type definition
template< typename >
struct result;
template< typename ThisT, typename ContextT >
struct result< ThisT(ContextT) >
{
typedef typename remove_cv< typename remove_reference< ContextT >::type >::type context_type;
typedef typename phoenix::evaluator::impl<
typename LeftT::proto_base_expr&,
context_type,
phoenix::unused
>::result_type type;
};
private:
//! Left argument actor
LeftT m_left;
//! Condition expression
CondT m_cond;
//! Positive branch
ThenT m_then;
public:
//! Initializing constructor
if_output_terminal(LeftT const& left, CondT const& cond, ThenT const& then_) : m_left(left), m_cond(cond), m_then(then_)
{
}
//! Invokation operator
template< typename ContextT >
typename result< this_type(ContextT const&) >::type operator() (ContextT const& ctx)
{
typedef typename result< this_type(ContextT const&) >::type result_type;
result_type strm = phoenix::eval(m_left, ctx);
if (phoenix::eval(m_cond, ctx))
phoenix::eval(m_then, ctx);
return strm;
}
//! Invokation operator
template< typename ContextT >
typename result< const this_type(ContextT const&) >::type operator() (ContextT const& ctx) const
{
typedef typename result< const this_type(ContextT const&) >::type result_type;
result_type strm = phoenix::eval(m_left, ctx);
if (phoenix::eval(m_cond, ctx))
phoenix::eval(m_then, ctx);
return strm;
}
BOOST_DELETED_FUNCTION(if_output_terminal())
};
template< typename LeftT, typename CondT, typename ThenT, typename ElseT >
class if_else_output_terminal
{
private:
//! Self type
typedef if_else_output_terminal this_type;
public:
#ifndef BOOST_LOG_DOXYGEN_PASS
//! Internal typedef for type categorization
typedef void _is_boost_log_terminal;
#endif
//! Result type definition
template< typename >
struct result;
template< typename ThisT, typename ContextT >
struct result< ThisT(ContextT) >
{
typedef typename remove_cv< typename remove_reference< ContextT >::type >::type context_type;
typedef typename phoenix::evaluator::impl<
typename LeftT::proto_base_expr&,
context_type,
phoenix::unused
>::result_type type;
};
private:
//! Left argument actor
LeftT m_left;
//! Condition expression
CondT m_cond;
//! Positive branch
ThenT m_then;
//! Negative branch
ElseT m_else;
public:
//! Initializing constructor
if_else_output_terminal(LeftT const& left, CondT const& cond, ThenT const& then_, ElseT const& else_) : m_left(left), m_cond(cond), m_then(then_), m_else(else_)
{
}
//! Invokation operator
template< typename ContextT >
typename result< this_type(ContextT const&) >::type operator() (ContextT const& ctx)
{
typedef typename result< this_type(ContextT const&) >::type result_type;
result_type strm = phoenix::eval(m_left, ctx);
if (phoenix::eval(m_cond, ctx))
phoenix::eval(m_then, ctx);
else
phoenix::eval(m_else, ctx);
return strm;
}
//! Invokation operator
template< typename ContextT >
typename result< const this_type(ContextT const&) >::type operator() (ContextT const& ctx) const
{
typedef typename result< const this_type(ContextT const&) >::type result_type;
result_type strm = phoenix::eval(m_left, ctx);
if (phoenix::eval(m_cond, ctx))
phoenix::eval(m_then, ctx);
else
phoenix::eval(m_else, ctx);
return strm;
}
BOOST_DELETED_FUNCTION(if_else_output_terminal())
};
template< typename CondT, typename ThenT, typename ElseT >
struct if_then_else_gen
{
CondT m_cond;
ThenT m_then;
ElseT m_else;
if_then_else_gen(CondT const& cond, ThenT const& then_, ElseT const& else_) : m_cond(cond), m_then(then_), m_else(else_)
{
}
};
#ifndef BOOST_LOG_DOXYGEN_PASS
#define BOOST_LOG_AUX_OVERLOAD(left_ref, right_ref)\
template< typename LeftExprT, typename CondT, typename ThenT, typename ElseT >\
BOOST_FORCEINLINE phoenix::actor< if_else_output_terminal< phoenix::actor< LeftExprT >, CondT, ThenT, ElseT > >\
operator<< (phoenix::actor< LeftExprT > left_ref left, if_then_else_gen< CondT, ThenT, ElseT > right_ref right)\
{\
typedef if_else_output_terminal< phoenix::actor< LeftExprT >, CondT, ThenT, ElseT > terminal_type;\
phoenix::actor< terminal_type > actor = {{ terminal_type(left, right.m_cond, right.m_then, right.m_else) }};\
return actor;\
}
#include <boost/log/detail/generate_overloads.hpp>
#undef BOOST_LOG_AUX_OVERLOAD
#endif // BOOST_LOG_DOXYGEN_PASS
template< typename CondT, typename ThenT >
struct if_then_gen
{
struct else_gen
{
CondT m_cond;
ThenT m_then;
else_gen(CondT const& cond, ThenT const& then_) : m_cond(cond), m_then(then_)
{
}
template< typename ElseT >
BOOST_FORCEINLINE if_then_else_gen< CondT, ThenT, ElseT > operator[] (ElseT const& el)
{
return if_then_else_gen< CondT, ThenT, ElseT >(m_cond, m_then, el);
}
}
else_;
if_then_gen(CondT const& cond, ThenT const& then_) : else_(cond, then_) {}
};
#ifndef BOOST_LOG_DOXYGEN_PASS
#define BOOST_LOG_AUX_OVERLOAD(left_ref, right_ref)\
template< typename LeftExprT, typename CondT, typename ThenT >\
BOOST_FORCEINLINE phoenix::actor< if_output_terminal< phoenix::actor< LeftExprT >, CondT, ThenT > >\
operator<< (phoenix::actor< LeftExprT > left_ref left, if_then_gen< CondT, ThenT > right_ref right)\
{\
typedef if_output_terminal< phoenix::actor< LeftExprT >, CondT, ThenT > terminal_type;\
phoenix::actor< terminal_type > actor = {{ terminal_type(left, right.else_.m_cond, right.else_.m_then) }};\
return actor;\
}
#include <boost/log/detail/generate_overloads.hpp>
#undef BOOST_LOG_AUX_OVERLOAD
#endif // BOOST_LOG_DOXYGEN_PASS
template< typename CondT >
class if_gen
{
private:
CondT const& m_cond;
public:
explicit if_gen(CondT const& cond) : m_cond(cond)
{
}
template< typename ThenT >
BOOST_FORCEINLINE if_then_gen< CondT, ThenT > operator[] (ThenT const& then_) const
{
return if_then_gen< CondT, ThenT >(m_cond, then_);
}
};
} // namespace aux
/*!
* The function returns a conditional formatter generator object. The generator provides <tt>operator[]</tt> that can be used
* to construct the actual formatter. The formatter must participate in a streaming expression.
*
* \param cond A filter expression that will be used as the condition
*/
template< typename CondT >
BOOST_FORCEINLINE aux::if_gen< CondT > if_(CondT const& cond)
{
return aux::if_gen< CondT >(cond);
}
} // namespace expressions
BOOST_LOG_CLOSE_NAMESPACE // namespace log
#ifndef BOOST_LOG_DOXYGEN_PASS
namespace phoenix {
namespace result_of {
template< typename LeftT, typename CondT, typename ThenT >
struct is_nullary< custom_terminal< boost::log::expressions::aux::if_output_terminal< LeftT, CondT, ThenT > > > :
public mpl::false_
{
};
template< typename LeftT, typename CondT, typename ThenT, typename ElseT >
struct is_nullary< custom_terminal< boost::log::expressions::aux::if_else_output_terminal< LeftT, CondT, ThenT, ElseT > > > :
public mpl::false_
{
};
} // namespace result_of
} // namespace phoenix
#endif
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_EXPRESSIONS_FORMATTERS_IF_HPP_INCLUDED_
@@ -0,0 +1,561 @@
/*
* Copyright Andrey Semashev 2016.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file formatters/max_size_decorator.hpp
* \author Andrey Semashev
* \date 06.07.2016
*
* The header contains implementation of a string length limiting decorator.
*/
#ifndef BOOST_LOG_EXPRESSIONS_FORMATTERS_MAX_SIZE_DECORATOR_HPP_INCLUDED_
#define BOOST_LOG_EXPRESSIONS_FORMATTERS_MAX_SIZE_DECORATOR_HPP_INCLUDED_
#include <cstddef>
#include <string>
#include <boost/assert.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/move/core.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/core/addressof.hpp>
#include <boost/phoenix/core/actor.hpp>
#include <boost/phoenix/core/meta_grammar.hpp>
#include <boost/phoenix/core/terminal_fwd.hpp>
#include <boost/phoenix/core/is_nullary.hpp>
#include <boost/phoenix/core/environment.hpp>
#include <boost/phoenix/support/vector.hpp>
#include <boost/fusion/sequence/intrinsic/at_c.hpp>
#include <boost/type_traits/remove_cv.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/detail/custom_terminal_spec.hpp>
#include <boost/log/utility/formatting_ostream.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace expressions {
namespace aux {
//! String size limiting decorator stream output terminal
template< typename LeftT, typename SubactorT, typename CharT >
class max_size_decorator_output_terminal
{
private:
//! Self type
typedef max_size_decorator_output_terminal< LeftT, SubactorT, CharT > this_type;
public:
#ifndef BOOST_LOG_DOXYGEN_PASS
//! Internal typedef for type categorization
typedef void _is_boost_log_terminal;
#endif
//! Character type
typedef CharT char_type;
//! String type
typedef std::basic_string< char_type > string_type;
//! String size type
typedef std::size_t size_type;
//! Adopted actor type
typedef SubactorT subactor_type;
//! Result type definition
template< typename >
struct result;
template< typename ThisT, typename ContextT >
struct result< ThisT(ContextT) >
{
typedef typename remove_cv< typename remove_reference< ContextT >::type >::type context_type;
typedef typename phoenix::evaluator::impl<
typename LeftT::proto_base_expr&,
context_type,
phoenix::unused
>::result_type type;
};
private:
//! Left argument actor
LeftT m_left;
//! Adopted formatter actor
subactor_type m_subactor;
//! Max size of the formatted string produced by the adopted formatter
size_type m_max_size;
//! Overflow marker
string_type m_overflow_marker;
public:
/*!
* Initializing constructor. Creates decorator of the \a fmt formatter with the specified \a decorations.
*/
max_size_decorator_output_terminal(LeftT const& left, subactor_type const& sub, size_type max_size, string_type const& overflow_marker = string_type()) :
m_left(left), m_subactor(sub), m_max_size(max_size), m_overflow_marker(overflow_marker)
{
BOOST_ASSERT(overflow_marker.size() <= max_size);
}
/*!
* Copy constructor
*/
max_size_decorator_output_terminal(max_size_decorator_output_terminal const& that) :
m_left(that.m_left), m_subactor(that.m_subactor), m_max_size(that.m_max_size), m_overflow_marker(that.m_overflow_marker)
{
}
/*!
* Invokation operator
*/
template< typename ContextT >
typename result< this_type(ContextT const&) >::type operator() (ContextT const& ctx)
{
// Flush the stream and keep the current write position in the target string
typedef typename result< this_type(ContextT const&) >::type result_type;
result_type strm = phoenix::eval(m_left, ctx);
strm.flush();
if (!strm.rdbuf()->storage_overflow())
{
const size_type old_max_size = strm.rdbuf()->max_size();
const size_type start_pos = strm.rdbuf()->storage()->size(), max_size_left = strm.rdbuf()->storage()->max_size() - start_pos;
strm.rdbuf()->max_size(start_pos + (m_max_size <= max_size_left ? m_max_size : max_size_left));
try
{
// Invoke the adopted formatter
phoenix::eval(m_subactor, ctx);
// Flush the buffered characters and apply decorations
strm.flush();
if (strm.rdbuf()->storage_overflow())
{
if (!m_overflow_marker.empty())
{
// Free up space for the overflow marker
strm.rdbuf()->max_size(strm.rdbuf()->max_size() - m_overflow_marker.size());
// Append the marker
strm.rdbuf()->max_size(strm.rdbuf()->storage()->max_size());
strm.rdbuf()->storage_overflow(false);
strm.rdbuf()->append(m_overflow_marker.data(), m_overflow_marker.size());
}
else
{
strm.rdbuf()->storage_overflow(false);
}
}
// Restore the original size limit
strm.rdbuf()->max_size(old_max_size);
}
catch (...)
{
strm.rdbuf()->storage_overflow(false);
strm.rdbuf()->max_size(old_max_size);
throw;
}
}
return strm;
}
/*!
* Invokation operator
*/
template< typename ContextT >
typename result< const this_type(ContextT const&) >::type operator() (ContextT const& ctx) const
{
// Flush the stream and keep the current write position in the target string
typedef typename result< const this_type(ContextT const&) >::type result_type;
result_type strm = phoenix::eval(m_left, ctx);
strm.flush();
if (!strm.rdbuf()->storage_overflow())
{
const size_type old_max_size = strm.rdbuf()->max_size();
const size_type start_pos = strm.rdbuf()->storage()->size(), max_size_left = strm.rdbuf()->storage()->max_size() - start_pos;
strm.rdbuf()->max_size(start_pos + (m_max_size <= max_size_left ? m_max_size : max_size_left));
try
{
// Invoke the adopted formatter
phoenix::eval(m_subactor, ctx);
// Flush the buffered characters and apply decorations
strm.flush();
if (strm.rdbuf()->storage_overflow())
{
if (!m_overflow_marker.empty())
{
// Free up space for the overflow marker
strm.rdbuf()->max_size(strm.rdbuf()->max_size() - m_overflow_marker.size());
// Append the marker
strm.rdbuf()->max_size(strm.rdbuf()->storage()->max_size());
strm.rdbuf()->storage_overflow(false);
strm.rdbuf()->append(m_overflow_marker.data(), m_overflow_marker.size());
}
else
{
strm.rdbuf()->storage_overflow(false);
}
}
// Restore the original size limit
strm.rdbuf()->max_size(old_max_size);
}
catch (...)
{
strm.rdbuf()->storage_overflow(false);
strm.rdbuf()->max_size(old_max_size);
throw;
}
}
return strm;
}
BOOST_DELETED_FUNCTION(max_size_decorator_output_terminal())
};
} // namespace aux
/*!
* String size limiting decorator terminal class. This formatter allows to limit the maximum total length
* of the strings generated by other formatters.
*
* The \c max_size_decorator_terminal class aggregates the formatter being decorated, the maximum string length
* it can produce and an optional truncation marker string, which will be put at the end of the output if the limit is exceeded. Note that
* the marker length is included in the limit and as such must not exceed it.
* The \c max_size_decorator_terminal class is a formatter itself, so it can be used to construct
* more complex formatters, including nesting decorators.
*/
template< typename SubactorT, typename CharT >
class max_size_decorator_terminal
{
private:
//! Self type
typedef max_size_decorator_terminal< SubactorT, CharT > this_type;
public:
#ifndef BOOST_LOG_DOXYGEN_PASS
//! Internal typedef for type categorization
typedef void _is_boost_log_terminal;
#endif
//! Character type
typedef CharT char_type;
//! String type
typedef std::basic_string< char_type > string_type;
//! String size type
typedef std::size_t size_type;
//! Stream type
typedef basic_formatting_ostream< char_type > stream_type;
//! Adopted actor type
typedef SubactorT subactor_type;
//! Result type definition
typedef string_type result_type;
private:
//! Adopted formatter actor
subactor_type m_subactor;
//! Max size of the formatted string produced by the adopted formatter
size_type m_max_size;
//! Overflow marker
string_type m_overflow_marker;
public:
/*!
* Initializing constructor.
*/
max_size_decorator_terminal(subactor_type const& sub, size_type max_size, string_type const& overflow_marker = string_type()) :
m_subactor(sub), m_max_size(max_size), m_overflow_marker(overflow_marker)
{
BOOST_ASSERT(overflow_marker.size() <= max_size);
}
/*!
* Copy constructor
*/
max_size_decorator_terminal(max_size_decorator_terminal const& that) :
m_subactor(that.m_subactor), m_max_size(that.m_max_size), m_overflow_marker(that.m_overflow_marker)
{
}
/*!
* \returns Adopted subactor
*/
subactor_type const& get_subactor() const
{
return m_subactor;
}
/*!
* \returns Max string size limit
*/
size_type get_max_size() const
{
return m_max_size;
}
/*!
* \returns Max string size limit
*/
string_type const& get_overflow_marker() const
{
return m_overflow_marker;
}
/*!
* Invokation operator
*/
template< typename ContextT >
result_type operator() (ContextT const& ctx)
{
string_type str;
stream_type strm(str);
strm.rdbuf()->max_size(m_max_size);
// Invoke the adopted formatter
typedef phoenix::vector3<
subactor_type*,
typename fusion::result_of::at_c<
typename remove_cv<
typename remove_reference<
typename phoenix::result_of::env< ContextT const& >::type
>::type
>::type::args_type,
0
>::type,
stream_type&
> env_type;
env_type env = { boost::addressof(m_subactor), fusion::at_c< 0 >(phoenix::env(ctx).args()), strm };
phoenix::eval(m_subactor, phoenix::make_context(env, phoenix::actions(ctx)));
// Flush the buffered characters and see of overflow happened
strm.flush();
if (strm.rdbuf()->storage_overflow() && !m_overflow_marker.empty())
{
strm.rdbuf()->max_size(strm.rdbuf()->max_size() - m_overflow_marker.size());
strm.rdbuf()->max_size(str.max_size());
strm.rdbuf()->storage_overflow(false);
strm.rdbuf()->append(m_overflow_marker.data(), m_overflow_marker.size());
strm.flush();
}
return BOOST_LOG_NRVO_RESULT(str);
}
/*!
* Invokation operator
*/
template< typename ContextT >
result_type operator() (ContextT const& ctx) const
{
string_type str;
stream_type strm(str);
strm.rdbuf()->max_size(m_max_size);
// Invoke the adopted formatter
typedef phoenix::vector3<
const subactor_type*,
typename fusion::result_of::at_c<
typename remove_cv<
typename remove_reference<
typename phoenix::result_of::env< ContextT const& >::type
>::type
>::type::args_type,
0
>::type,
stream_type&
> env_type;
env_type env = { boost::addressof(m_subactor), fusion::at_c< 0 >(phoenix::env(ctx).args()), strm };
phoenix::eval(m_subactor, phoenix::make_context(env, phoenix::actions(ctx)));
// Flush the buffered characters and see of overflow happened
strm.flush();
if (strm.rdbuf()->storage_overflow())
{
strm.rdbuf()->max_size(strm.rdbuf()->max_size() - m_overflow_marker.size());
strm.rdbuf()->max_size(str.max_size());
strm.rdbuf()->storage_overflow(false);
strm.rdbuf()->append(m_overflow_marker.data(), m_overflow_marker.size());
strm.flush();
}
return BOOST_LOG_NRVO_RESULT(str);
}
BOOST_DELETED_FUNCTION(max_size_decorator_terminal())
};
/*!
* Character decorator actor
*/
template< typename SubactorT, typename CharT, template< typename > class ActorT = phoenix::actor >
class max_size_decorator_actor :
public ActorT< max_size_decorator_terminal< SubactorT, CharT > >
{
public:
//! Base terminal type
typedef max_size_decorator_terminal< SubactorT, CharT > terminal_type;
//! Character type
typedef typename terminal_type::char_type char_type;
//! Base actor type
typedef ActorT< terminal_type > base_type;
public:
//! Initializing constructor
explicit max_size_decorator_actor(base_type const& act) : base_type(act)
{
}
//! Returns reference to the terminal
terminal_type const& get_terminal() const
{
return this->proto_expr_.child0;
}
};
#ifndef BOOST_LOG_DOXYGEN_PASS
#define BOOST_LOG_AUX_OVERLOAD(left_ref, right_ref)\
template< typename LeftExprT, typename SubactorT, typename CharT, template< typename > class ActorT >\
BOOST_FORCEINLINE phoenix::actor< aux::max_size_decorator_output_terminal< phoenix::actor< LeftExprT >, SubactorT, CharT > >\
operator<< (phoenix::actor< LeftExprT > left_ref left, max_size_decorator_actor< SubactorT, CharT, ActorT > right_ref right)\
{\
typedef aux::max_size_decorator_output_terminal< phoenix::actor< LeftExprT >, SubactorT, CharT > terminal_type;\
phoenix::actor< terminal_type > actor = {{ terminal_type(left, right.get_terminal().get_subactor(), right.get_terminal().get_max_size(), right.get_terminal().get_overflow_marker()) }};\
return actor;\
}
#include <boost/log/detail/generate_overloads.hpp>
#undef BOOST_LOG_AUX_OVERLOAD
#endif // BOOST_LOG_DOXYGEN_PASS
namespace aux {
template< typename CharT >
class max_size_decorator_gen
{
private:
typedef CharT char_type;
typedef std::basic_string< char_type > string_type;
typedef std::size_t size_type;
private:
size_type m_max_size;
string_type m_overflow_marker;
public:
explicit max_size_decorator_gen(size_type max_size, string_type const& overflow_marker = string_type()) :
m_max_size(max_size), m_overflow_marker(overflow_marker)
{
BOOST_ASSERT(overflow_marker.size() <= max_size);
}
template< typename SubactorT >
BOOST_FORCEINLINE max_size_decorator_actor< SubactorT, char_type > operator[] (SubactorT const& subactor) const
{
typedef max_size_decorator_actor< SubactorT, char_type > result_type;
typedef typename result_type::terminal_type terminal_type;
typename result_type::base_type act = {{ terminal_type(subactor, m_max_size, m_overflow_marker) }};
return result_type(act);
}
};
} // namespace aux
/*!
* The function returns a decorator generator object. The generator provides <tt>operator[]</tt> that can be used
* to construct the actual decorator.
*
* \param max_size The maximum number of characters (i.e. string element objects) that the decorated formatter can produce.
*/
template< typename CharT >
BOOST_FORCEINLINE aux::max_size_decorator_gen< CharT > max_size_decor(std::size_t max_size)
{
return aux::max_size_decorator_gen< CharT >(max_size);
}
/*!
* The function returns a decorator generator object. The generator provides <tt>operator[]</tt> that can be used
* to construct the actual decorator.
*
* \param max_size The maximum number of characters (i.e. string element objects) that the decorated formatter can produce.
* \param overflow_marker The marker string which is appended to the output if the \a max_size limit is exceeded. Must be
* a non-null pointer to a zero-terminated string.
*
* \pre The \a overflow_marker length must not exceed the \a max_size limit.
*/
template< typename CharT >
BOOST_FORCEINLINE aux::max_size_decorator_gen< CharT > max_size_decor(std::size_t max_size, const CharT* overflow_marker)
{
return aux::max_size_decorator_gen< CharT >(max_size, overflow_marker);
}
/*!
* The function returns a decorator generator object. The generator provides <tt>operator[]</tt> that can be used
* to construct the actual decorator.
*
* \param max_size The maximum number of characters (i.e. string element objects) that the decorated formatter can produce.
* \param overflow_marker The marker string which is appended to the output if the \a max_size limit is exceeded.
*
* \pre The \a overflow_marker length must not exceed the \a max_size limit.
*/
template< typename CharT >
BOOST_FORCEINLINE aux::max_size_decorator_gen< CharT > max_size_decor(std::size_t max_size, std::basic_string< CharT > const& overflow_marker)
{
return aux::max_size_decorator_gen< CharT >(max_size, overflow_marker);
}
} // namespace expressions
BOOST_LOG_CLOSE_NAMESPACE // namespace log
#ifndef BOOST_LOG_DOXYGEN_PASS
namespace phoenix {
namespace result_of {
template< typename SubactorT, typename CharT >
struct is_nullary< custom_terminal< boost::log::expressions::max_size_decorator_terminal< SubactorT, CharT > > > :
public mpl::false_
{
};
template< typename LeftT, typename SubactorT, typename CharT >
struct is_nullary< custom_terminal< boost::log::expressions::aux::max_size_decorator_output_terminal< LeftT, SubactorT, CharT > > > :
public mpl::false_
{
};
} // namespace result_of
} // namespace phoenix
#endif
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_EXPRESSIONS_FORMATTERS_MAX_SIZE_DECORATOR_HPP_INCLUDED_
@@ -0,0 +1,655 @@
/*
* Copyright Andrey Semashev 2007 - 2015.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file formatters/named_scope.hpp
* \author Andrey Semashev
* \date 11.11.2012
*
* The header contains a formatter function for named scope attribute values.
*/
#ifndef BOOST_LOG_EXPRESSIONS_FORMATTERS_NAMED_SCOPE_HPP_INCLUDED_
#define BOOST_LOG_EXPRESSIONS_FORMATTERS_NAMED_SCOPE_HPP_INCLUDED_
#include <string>
#include <iterator>
#include <utility>
#include <boost/static_assert.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/move/core.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/parameter/binding.hpp>
#include <boost/preprocessor/iteration/iterate.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
#include <boost/phoenix/core/actor.hpp>
#include <boost/phoenix/core/terminal_fwd.hpp>
#include <boost/phoenix/core/is_nullary.hpp>
#include <boost/phoenix/core/environment.hpp>
#include <boost/fusion/sequence/intrinsic/at_c.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/attributes/attribute_name.hpp>
#include <boost/log/attributes/fallback_policy.hpp>
#include <boost/log/attributes/named_scope.hpp>
#include <boost/log/attributes/value_visitation.hpp>
#include <boost/log/detail/light_function.hpp>
#include <boost/log/detail/parameter_tools.hpp>
#include <boost/log/detail/custom_terminal_spec.hpp>
#include <boost/log/detail/deduce_char_type.hpp>
#include <boost/log/detail/attr_output_terminal.hpp>
#include <boost/log/expressions/attr_fwd.hpp>
#include <boost/log/expressions/keyword_fwd.hpp>
#include <boost/log/utility/formatting_ostream.hpp>
#include <boost/log/utility/string_literal_fwd.hpp>
#include <boost/log/utility/functional/bind.hpp>
#include <boost/log/keywords/format.hpp>
#include <boost/log/keywords/delimiter.hpp>
#include <boost/log/keywords/depth.hpp>
#include <boost/log/keywords/iteration.hpp>
#include <boost/log/keywords/empty_marker.hpp>
#include <boost/log/keywords/incomplete_marker.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace expressions {
//! Scope iteration directions
enum scope_iteration_direction
{
forward, //!< Iterate through scopes from outermost to innermost
reverse //!< Iterate through scopes from innermost to outermost
};
namespace aux {
#ifdef BOOST_LOG_USE_CHAR
//! Parses the named scope format string and constructs the formatter function
BOOST_LOG_API boost::log::aux::light_function< void (basic_formatting_ostream< char >&, attributes::named_scope::value_type::value_type const&) >
parse_named_scope_format(const char* begin, const char* end);
#endif
#ifdef BOOST_LOG_USE_WCHAR_T
//! Parses the named scope format string and constructs the formatter function
BOOST_LOG_API boost::log::aux::light_function< void (basic_formatting_ostream< wchar_t >&, attributes::named_scope::value_type::value_type const&) >
parse_named_scope_format(const wchar_t* begin, const wchar_t* end);
#endif
//! Parses the named scope format string and constructs the formatter function
template< typename CharT >
inline boost::log::aux::light_function< void (basic_formatting_ostream< CharT >&, attributes::named_scope::value_type::value_type const&) >
parse_named_scope_format(const CharT* format)
{
return parse_named_scope_format(format, format + std::char_traits< CharT >::length(format));
}
//! Parses the named scope format string and constructs the formatter function
template< typename CharT, typename TraitsT, typename AllocatorT >
inline boost::log::aux::light_function< void (basic_formatting_ostream< CharT >&, attributes::named_scope::value_type::value_type const&) >
parse_named_scope_format(std::basic_string< CharT, TraitsT, AllocatorT > const& format)
{
const CharT* p = format.c_str();
return parse_named_scope_format(p, p + format.size());
}
//! Parses the named scope format string and constructs the formatter function
template< typename CharT, typename TraitsT >
inline boost::log::aux::light_function< void (basic_formatting_ostream< CharT >&, attributes::named_scope::value_type::value_type const&) >
parse_named_scope_format(basic_string_literal< CharT, TraitsT > const& format)
{
const CharT* p = format.c_str();
return parse_named_scope_format(p, p + format.size());
}
template< typename CharT >
class format_named_scope_impl
{
public:
//! Function result type
typedef void result_type;
//! Character type
typedef CharT char_type;
//! String type
typedef std::basic_string< char_type > string_type;
//! Formatting stream type
typedef basic_formatting_ostream< char_type > stream_type;
//! Attribute value type
typedef attributes::named_scope::value_type value_type;
//! Named scope formatter
typedef boost::log::aux::light_function< void (stream_type&, value_type::value_type const&) > element_formatter_type;
private:
//! Element formatting function
element_formatter_type m_element_formatter;
//! Element delimiter
string_type m_delimiter;
//! Incomplete list marker
string_type m_incomplete_marker;
//! Empty list marker
string_type m_empty_marker;
//! Maximum number of elements to output
value_type::size_type m_depth;
//! Iteration direction
scope_iteration_direction m_direction;
public:
//! Initializing constructor
format_named_scope_impl
(
element_formatter_type const& element_formatter,
string_type const& delimiter,
string_type const& incomplete_marker,
string_type const& empty_marker,
value_type::size_type depth,
scope_iteration_direction direction
) :
m_element_formatter(element_formatter),
m_delimiter(delimiter),
m_incomplete_marker(incomplete_marker),
m_empty_marker(empty_marker),
m_depth(depth),
m_direction(direction)
{
}
//! Copy constructor
format_named_scope_impl(format_named_scope_impl const& that) :
m_element_formatter(that.m_element_formatter),
m_delimiter(that.m_delimiter),
m_incomplete_marker(that.m_incomplete_marker),
m_empty_marker(that.m_empty_marker),
m_depth(that.m_depth),
m_direction(that.m_direction)
{
}
//! Formatting operator
result_type operator() (stream_type& strm, value_type const& scopes) const
{
if (!scopes.empty())
{
if (m_direction == expressions::forward)
format_forward(strm, scopes);
else
format_reverse(strm, scopes);
}
else
{
strm << m_empty_marker;
}
}
private:
//! The function performs formatting of the extracted scope stack in forward direction
void format_forward(stream_type& strm, value_type const& scopes) const
{
value_type::const_iterator it, end = scopes.end();
if (m_depth > 0)
{
value_type::size_type const scopes_to_iterate = (std::min)(m_depth, scopes.size());
it = scopes.end();
std::advance(it, -static_cast< value_type::difference_type >(scopes_to_iterate));
}
else
{
it = scopes.begin();
}
if (it != end)
{
if (it != scopes.begin())
strm << m_incomplete_marker;
m_element_formatter(strm, *it);
for (++it; it != end; ++it)
{
strm << m_delimiter;
m_element_formatter(strm, *it);
}
}
}
//! The function performs formatting of the extracted scope stack in reverse direction
void format_reverse(stream_type& strm, value_type const& scopes) const
{
value_type::const_reverse_iterator it = scopes.rbegin(), end;
if (m_depth > 0)
{
value_type::size_type const scopes_to_iterate = (std::min)(m_depth, scopes.size());
end = it;
std::advance(end, static_cast< value_type::difference_type >(scopes_to_iterate));
}
else
{
end = scopes.rend();
}
if (it != end)
{
m_element_formatter(strm, *it);
for (++it; it != end; ++it)
{
strm << m_delimiter;
m_element_formatter(strm, *it);
}
if (it != scopes.rend())
strm << m_incomplete_marker;
}
}
};
} // namespace aux
/*!
* Named scope formatter terminal.
*/
template< typename FallbackPolicyT, typename CharT >
class format_named_scope_terminal
{
public:
#ifndef BOOST_LOG_DOXYGEN_PASS
//! Internal typedef for type categorization
typedef void _is_boost_log_terminal;
#endif
//! Attribute value type
typedef attributes::named_scope::value_type value_type;
//! Fallback policy
typedef FallbackPolicyT fallback_policy;
//! Character type
typedef CharT char_type;
//! String type
typedef std::basic_string< char_type > string_type;
//! Formatting stream type
typedef basic_formatting_ostream< char_type > stream_type;
//! Formatter function
typedef aux::format_named_scope_impl< char_type > formatter_function_type;
//! Function result type
typedef string_type result_type;
private:
//! Attribute value visitor invoker
typedef value_visitor_invoker< value_type, fallback_policy > visitor_invoker_type;
private:
//! Attribute name
attribute_name m_name;
//! Formatter function
formatter_function_type m_formatter;
//! Attribute value visitor invoker
visitor_invoker_type m_visitor_invoker;
public:
//! Initializing constructor
template< typename FormatT >
format_named_scope_terminal
(
attribute_name const& name,
fallback_policy const& fallback,
FormatT const& element_format,
string_type const& delimiter,
string_type const& incomplete_marker,
string_type const& empty_marker,
value_type::size_type depth,
scope_iteration_direction direction
) :
m_name(name), m_formatter(aux::parse_named_scope_format(element_format), delimiter, incomplete_marker, empty_marker, depth, direction), m_visitor_invoker(fallback)
{
}
//! Copy constructor
format_named_scope_terminal(format_named_scope_terminal const& that) :
m_name(that.m_name), m_formatter(that.m_formatter), m_visitor_invoker(that.m_visitor_invoker)
{
}
//! Returns attribute name
attribute_name get_name() const
{
return m_name;
}
//! Returns fallback policy
fallback_policy const& get_fallback_policy() const
{
return m_visitor_invoker.get_fallback_policy();
}
//! Retruns formatter function
formatter_function_type const& get_formatter_function() const
{
return m_formatter;
}
//! Invokation operator
template< typename ContextT >
result_type operator() (ContextT const& ctx)
{
string_type str;
stream_type strm(str);
m_visitor_invoker(m_name, fusion::at_c< 0 >(phoenix::env(ctx).args()), binder1st< formatter_function_type&, stream_type& >(m_formatter, strm));
strm.flush();
return BOOST_LOG_NRVO_RESULT(str);
}
//! Invokation operator
template< typename ContextT >
result_type operator() (ContextT const& ctx) const
{
string_type str;
stream_type strm(str);
m_visitor_invoker(m_name, fusion::at_c< 0 >(phoenix::env(ctx).args()), binder1st< formatter_function_type const&, stream_type& >(m_formatter, strm));
strm.flush();
return BOOST_LOG_NRVO_RESULT(str);
}
BOOST_DELETED_FUNCTION(format_named_scope_terminal())
};
/*!
* Named scope formatter actor.
*/
template< typename FallbackPolicyT, typename CharT, template< typename > class ActorT = phoenix::actor >
class format_named_scope_actor :
public ActorT< format_named_scope_terminal< FallbackPolicyT, CharT > >
{
public:
//! Character type
typedef CharT char_type;
//! Fallback policy
typedef FallbackPolicyT fallback_policy;
//! Base terminal type
typedef format_named_scope_terminal< fallback_policy, char_type > terminal_type;
//! Attribute value type
typedef typename terminal_type::value_type value_type;
//! Formatter function
typedef typename terminal_type::formatter_function_type formatter_function_type;
//! Base actor type
typedef ActorT< terminal_type > base_type;
public:
//! Initializing constructor
explicit format_named_scope_actor(base_type const& act) : base_type(act)
{
}
/*!
* \returns The attribute name
*/
attribute_name get_name() const
{
return this->proto_expr_.child0.get_name();
}
/*!
* \returns Fallback policy
*/
fallback_policy const& get_fallback_policy() const
{
return this->proto_expr_.child0.get_fallback_policy();
}
/*!
* \returns Formatter function
*/
formatter_function_type const& get_formatter_function() const
{
return this->proto_expr_.child0.get_formatter_function();
}
};
#ifndef BOOST_LOG_DOXYGEN_PASS
#define BOOST_LOG_AUX_OVERLOAD(left_ref, right_ref)\
template< typename LeftExprT, typename FallbackPolicyT, typename CharT >\
BOOST_FORCEINLINE phoenix::actor< aux::attribute_output_terminal< phoenix::actor< LeftExprT >, attributes::named_scope::value_type, FallbackPolicyT, typename format_named_scope_actor< FallbackPolicyT, CharT >::formatter_function_type > >\
operator<< (phoenix::actor< LeftExprT > left_ref left, format_named_scope_actor< FallbackPolicyT, CharT > right_ref right)\
{\
typedef aux::attribute_output_terminal< phoenix::actor< LeftExprT >, attributes::named_scope::value_type, FallbackPolicyT, typename format_named_scope_actor< FallbackPolicyT, CharT >::formatter_function_type > terminal_type;\
phoenix::actor< terminal_type > actor = {{ terminal_type(left, right.get_name(), right.get_formatter_function(), right.get_fallback_policy()) }};\
return actor;\
}
#include <boost/log/detail/generate_overloads.hpp>
#undef BOOST_LOG_AUX_OVERLOAD
#endif // BOOST_LOG_DOXYGEN_PASS
namespace aux {
//! Auxiliary traits to acquire default formatter parameters depending on the character type
template< typename CharT >
struct default_named_scope_params;
#ifdef BOOST_LOG_USE_CHAR
template< >
struct default_named_scope_params< char >
{
static const char* forward_delimiter() { return "->"; }
static const char* reverse_delimiter() { return "<-"; }
static const char* incomplete_marker() { return "..."; }
static const char* empty_marker() { return ""; }
};
#endif
#ifdef BOOST_LOG_USE_WCHAR_T
template< >
struct default_named_scope_params< wchar_t >
{
static const wchar_t* forward_delimiter() { return L"->"; }
static const wchar_t* reverse_delimiter() { return L"<-"; }
static const wchar_t* incomplete_marker() { return L"..."; }
static const wchar_t* empty_marker() { return L""; }
};
#endif
template< typename CharT, template< typename > class ActorT, typename FallbackPolicyT, typename ArgsT >
BOOST_FORCEINLINE format_named_scope_actor< FallbackPolicyT, CharT, ActorT > format_named_scope(attribute_name const& name, FallbackPolicyT const& fallback, ArgsT const& args)
{
typedef format_named_scope_actor< FallbackPolicyT, CharT, ActorT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typedef default_named_scope_params< CharT > default_params;
scope_iteration_direction dir = args[keywords::iteration | expressions::forward];
const CharT* default_delimiter = (dir == expressions::forward ? default_params::forward_delimiter() : default_params::reverse_delimiter());
typename actor_type::base_type act =
{{
terminal_type
(
name,
fallback,
args[keywords::format],
args[keywords::delimiter | default_delimiter],
args[keywords::incomplete_marker | default_params::incomplete_marker()],
args[keywords::empty_marker | default_params::empty_marker()],
args[keywords::depth | static_cast< attributes::named_scope::value_type::size_type >(0)],
dir
)
}};
return actor_type(act);
}
} // namespace aux
/*!
* The function generates a manipulator node in a template expression. The manipulator must participate in a formatting
* expression (stream output or \c format placeholder filler).
*
* \param name Attribute name
* \param element_format Format string for a single named scope
*/
template< typename CharT >
BOOST_FORCEINLINE format_named_scope_actor< fallback_to_none, CharT > format_named_scope(attribute_name const& name, const CharT* element_format)
{
typedef format_named_scope_actor< fallback_to_none, CharT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(name, fallback_to_none(), element_format) }};
return actor_type(act);
}
/*!
* The function generates a manipulator node in a template expression. The manipulator must participate in a formatting
* expression (stream output or \c format placeholder filler).
*
* \param name Attribute name
* \param element_format Format string for a single named scope
*/
template< typename CharT >
BOOST_FORCEINLINE format_named_scope_actor< fallback_to_none, CharT > format_named_scope(attribute_name const& name, std::basic_string< CharT > const& element_format)
{
typedef format_named_scope_actor< fallback_to_none, CharT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(name, fallback_to_none(), element_format) }};
return actor_type(act);
}
/*!
* The function generates a manipulator node in a template expression. The manipulator must participate in a formatting
* expression (stream output or \c format placeholder filler).
*
* \param keyword Attribute keyword
* \param element_format Format string for a single named scope
*/
template< typename DescriptorT, template< typename > class ActorT, typename CharT >
BOOST_FORCEINLINE format_named_scope_actor< fallback_to_none, CharT, ActorT >
format_named_scope(attribute_keyword< DescriptorT, ActorT > const& keyword, const CharT* element_format)
{
BOOST_STATIC_ASSERT_MSG((is_same< typename DescriptorT::value_type, attributes::named_scope::value_type >::value),\
"Boost.Log: Named scope formatter only accepts attribute values of type attributes::named_scope::value_type.");
typedef format_named_scope_actor< fallback_to_none, CharT, ActorT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(keyword.get_name(), fallback_to_none(), element_format) }};
return actor_type(act);
}
/*!
* The function generates a manipulator node in a template expression. The manipulator must participate in a formatting
* expression (stream output or \c format placeholder filler).
*
* \param keyword Attribute keyword
* \param element_format Format string for a single named scope
*/
template< typename DescriptorT, template< typename > class ActorT, typename CharT >
BOOST_FORCEINLINE format_named_scope_actor< fallback_to_none, CharT, ActorT >
format_named_scope(attribute_keyword< DescriptorT, ActorT > const& keyword, std::basic_string< CharT > const& element_format)
{
BOOST_STATIC_ASSERT_MSG((is_same< typename DescriptorT::value_type, attributes::named_scope::value_type >::value),\
"Boost.Log: Named scope formatter only accepts attribute values of type attributes::named_scope::value_type.");
typedef format_named_scope_actor< fallback_to_none, CharT, ActorT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(keyword.get_name(), fallback_to_none(), element_format) }};
return actor_type(act);
}
/*!
* The function generates a manipulator node in a template expression. The manipulator must participate in a formatting
* expression (stream output or \c format placeholder filler).
*
* \param placeholder Attribute placeholder
* \param element_format Format string for a single named scope
*/
template< typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT, typename CharT >
BOOST_FORCEINLINE format_named_scope_actor< FallbackPolicyT, CharT, ActorT >
format_named_scope(attribute_actor< T, FallbackPolicyT, TagT, ActorT > const& placeholder, const CharT* element_format)
{
BOOST_STATIC_ASSERT_MSG((is_same< T, attributes::named_scope::value_type >::value),\
"Boost.Log: Named scope formatter only accepts attribute values of type attributes::named_scope::value_type.");
typedef format_named_scope_actor< FallbackPolicyT, CharT, ActorT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(placeholder.get_name(), placeholder.get_fallback_policy(), element_format) }};
return actor_type(act);
}
/*!
* The function generates a manipulator node in a template expression. The manipulator must participate in a formatting
* expression (stream output or \c format placeholder filler).
*
* \param placeholder Attribute placeholder
* \param element_format Format string for a single named scope
*/
template< typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT, typename CharT >
BOOST_FORCEINLINE format_named_scope_actor< FallbackPolicyT, CharT, ActorT >
format_named_scope(attribute_actor< T, FallbackPolicyT, TagT, ActorT > const& placeholder, std::basic_string< CharT > const& element_format)
{
BOOST_STATIC_ASSERT_MSG((is_same< T, attributes::named_scope::value_type >::value),\
"Boost.Log: Named scope formatter only accepts attribute values of type attributes::named_scope::value_type.");
typedef format_named_scope_actor< FallbackPolicyT, CharT, ActorT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(placeholder.get_name(), placeholder.get_fallback_policy(), element_format) }};
return actor_type(act);
}
#if !defined(BOOST_LOG_DOXYGEN_PASS)
# define BOOST_PP_FILENAME_1 <boost/log/detail/named_scope_fmt_pp.hpp>
# define BOOST_PP_ITERATION_LIMITS (1, 6)
# include BOOST_PP_ITERATE()
#else // BOOST_LOG_DOXYGEN_PASS
/*!
* Formatter generator. Construct the named scope formatter with the specified formatting parameters.
*
* \param name Attribute name
* \param args An set of named parameters. Supported parameters:
* \li \c format - A format string for named scopes. The string can contain "%n", "%f" and "%l" placeholders for the scope name, file and line number, respectively. This parameter is mandatory.
* \li \c delimiter - A string that is used to delimit the formatted scope names. Default: "->" or "<-", depending on the iteration direction.
* \li \c incomplete_marker - A string that is used to indicate that the list was printed incomplete because of depth limitation. Default: "...".
* \li \c empty_marker - A string that is output in case if the scope list is empty. Default: "", i.e. nothing is output.
* \li \c iteration - Iteration direction, see \c scope_iteration_direction enumeration. Default: forward.
* \li \c depth - Iteration depth. Default: unlimited.
*/
template< typename... ArgsT >
unspecified format_named_scope(attribute_name const& name, ArgsT... const& args);
/*! \overload */
template< typename DescriptorT, template< typename > class ActorT, typename... ArgsT >
unspecified format_named_scope(attribute_keyword< DescriptorT, ActorT > const& keyword, ArgsT... const& args);
/*! \overload */
template< typename T, typename FallbackPolicyT, typename TagT, template< typename > class ActorT, typename... ArgsT >
unspecified format_named_scope(attribute_actor< T, FallbackPolicyT, TagT, ActorT > const& placeholder, ArgsT... const& args);
#endif // BOOST_LOG_DOXYGEN_PASS
} // namespace expressions
BOOST_LOG_CLOSE_NAMESPACE // namespace log
#ifndef BOOST_LOG_DOXYGEN_PASS
namespace phoenix {
namespace result_of {
template< typename FallbackPolicyT, typename CharT >
struct is_nullary< custom_terminal< boost::log::expressions::format_named_scope_terminal< FallbackPolicyT, CharT > > > :
public mpl::false_
{
};
} // namespace result_of
} // namespace phoenix
#endif
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_EXPRESSIONS_FORMATTERS_NAMED_SCOPE_HPP_INCLUDED_
@@ -0,0 +1,53 @@
/*
* Copyright Andrey Semashev 2007 - 2015.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file stream.hpp
* \author Andrey Semashev
* \date 24.07.2012
*
* The header contains implementation of a stream placeholder in template expressions.
*/
#ifndef BOOST_LOG_EXPRESSIONS_FORMATTERS_STREAM_HPP_INCLUDED_
#define BOOST_LOG_EXPRESSIONS_FORMATTERS_STREAM_HPP_INCLUDED_
#include <boost/phoenix/core/argument.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace expressions {
/*!
* Stream placeholder type in formatter template expressions.
*/
typedef phoenix::expression::argument< 2 >::type stream_type;
/*!
* Stream placeholder in formatter template expressions.
*/
const stream_type stream = {};
} // namespace expressions
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#if defined(BOOST_LOG_EXPRESSIONS_ATTR_HPP_INCLUDED_)
#include <boost/log/detail/attr_output_impl.hpp>
#endif
#endif // BOOST_LOG_EXPRESSIONS_FORMATTERS_STREAM_HPP_INCLUDED_
@@ -0,0 +1,342 @@
/*
* Copyright Andrey Semashev 2007 - 2015.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file formatters/wrap_formatter.hpp
* \author Andrey Semashev
* \date 24.11.2012
*
* The header contains a formatter function wrapper that enables third-party functions to participate in formatting expressions.
*/
#ifndef BOOST_LOG_EXPRESSIONS_FORMATTERS_WRAP_FORMATTER_HPP_INCLUDED_
#define BOOST_LOG_EXPRESSIONS_FORMATTERS_WRAP_FORMATTER_HPP_INCLUDED_
#include <string>
#include <boost/move/core.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/mpl/has_xxx.hpp>
#include <boost/phoenix/core/actor.hpp>
#include <boost/phoenix/core/terminal_fwd.hpp>
#include <boost/phoenix/core/is_nullary.hpp>
#include <boost/phoenix/core/environment.hpp>
#include <boost/type_traits/remove_cv.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/fusion/sequence/intrinsic/at_c.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/detail/custom_terminal_spec.hpp>
#include <boost/log/detail/function_traits.hpp>
#include <boost/log/utility/formatting_ostream.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace expressions {
namespace aux {
//! Wrapped formatter stream output terminal
template< typename LeftT, typename FunT >
class wrapped_formatter_output_terminal
{
private:
//! Self type
typedef wrapped_formatter_output_terminal< LeftT, FunT > this_type;
public:
#ifndef BOOST_LOG_DOXYGEN_PASS
//! Internal typedef for type categorization
typedef void _is_boost_log_terminal;
#endif
//! Wrapped function type
typedef FunT function_type;
//! Result type definition
template< typename >
struct result;
template< typename ThisT, typename ContextT >
struct result< ThisT(ContextT) >
{
typedef typename remove_cv< typename remove_reference< ContextT >::type >::type context_type;
typedef typename phoenix::evaluator::impl<
typename LeftT::proto_base_expr&,
context_type,
phoenix::unused
>::result_type type;
};
private:
//! Left argument actor
LeftT m_left;
//! Wrapped function
function_type m_fun;
public:
//! Initializing constructor
wrapped_formatter_output_terminal(LeftT const& left, function_type const& fun) : m_left(left), m_fun(fun)
{
}
//! Copy constructor
wrapped_formatter_output_terminal(wrapped_formatter_output_terminal const& that) : m_left(that.m_left), m_fun(that.m_fun)
{
}
//! Invokation operator
template< typename ContextT >
typename result< this_type(ContextT const&) >::type operator() (ContextT const& ctx)
{
typedef typename result< this_type(ContextT const&) >::type result_type;
result_type strm = phoenix::eval(m_left, ctx);
m_fun(fusion::at_c< 0 >(phoenix::env(ctx).args()), strm);
return strm;
}
//! Invokation operator
template< typename ContextT >
typename result< const this_type(ContextT const&) >::type operator() (ContextT const& ctx) const
{
typedef typename result< const this_type(ContextT const&) >::type result_type;
result_type strm = phoenix::eval(m_left, ctx);
m_fun(fusion::at_c< 0 >(phoenix::env(ctx).args()), strm);
return strm;
}
BOOST_DELETED_FUNCTION(wrapped_formatter_output_terminal())
};
BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(has_char_type, char_type, false)
template<
typename FunT,
bool HasCharTypeV = has_char_type< FunT >::value,
bool HasSecondArgumentV = boost::log::aux::has_second_argument_type< FunT >::value,
bool HasArg2V = boost::log::aux::has_arg2_type< FunT >::value
>
struct default_char_type
{
// Use this char type if all detection fails
typedef char type;
};
template< typename FunT, bool HasSecondArgumentV, bool HasArg2V >
struct default_char_type< FunT, true, HasSecondArgumentV, HasArg2V >
{
typedef typename FunT::char_type type;
};
template< typename FunT, bool HasArg2V >
struct default_char_type< FunT, false, true, HasArg2V >
{
typedef typename remove_cv< typename remove_reference< typename FunT::second_argument_type >::type >::type argument_type;
typedef typename argument_type::char_type type;
};
template< typename FunT >
struct default_char_type< FunT, false, false, true >
{
typedef typename remove_cv< typename remove_reference< typename FunT::arg2_type >::type >::type argument_type;
typedef typename argument_type::char_type type;
};
} // namespace aux
/*!
* Formatter function wrapper terminal.
*/
template< typename FunT, typename CharT >
class wrapped_formatter_terminal
{
public:
#ifndef BOOST_LOG_DOXYGEN_PASS
//! Internal typedef for type categorization
typedef void _is_boost_log_terminal;
#endif
//! Character type
typedef CharT char_type;
//! String type
typedef std::basic_string< char_type > string_type;
//! Formatting stream type
typedef basic_formatting_ostream< char_type > stream_type;
//! Wrapped function type
typedef FunT function_type;
//! Formatter result type
typedef string_type result_type;
private:
//! Wrapped function
function_type m_fun;
public:
//! Initializing construction
explicit wrapped_formatter_terminal(function_type const& fun) : m_fun(fun)
{
}
//! Copy constructor
wrapped_formatter_terminal(wrapped_formatter_terminal const& that) : m_fun(that.m_fun)
{
}
//! Returns the wrapped function
function_type const& get_function() const
{
return m_fun;
}
//! Invokation operator
template< typename ContextT >
result_type operator() (ContextT const& ctx)
{
string_type str;
stream_type strm(str);
m_fun(fusion::at_c< 0 >(phoenix::env(ctx).args()), strm);
strm.flush();
return BOOST_LOG_NRVO_RESULT(str);
}
//! Invokation operator
template< typename ContextT >
result_type operator() (ContextT const& ctx) const
{
string_type str;
stream_type strm(str);
m_fun(fusion::at_c< 0 >(phoenix::env(ctx).args()), strm);
strm.flush();
return BOOST_LOG_NRVO_RESULT(str);
}
};
/*!
* Wrapped formatter function actor.
*/
template< typename FunT, typename CharT, template< typename > class ActorT = phoenix::actor >
class wrapped_formatter_actor :
public ActorT< wrapped_formatter_terminal< FunT, CharT > >
{
public:
//! Character type
typedef CharT char_type;
//! Wrapped function type
typedef FunT function_type;
//! Base terminal type
typedef wrapped_formatter_terminal< function_type, char_type > terminal_type;
//! Base actor type
typedef ActorT< terminal_type > base_type;
public:
//! Initializing constructor
explicit wrapped_formatter_actor(base_type const& act) : base_type(act)
{
}
/*!
* \returns The wrapped function
*/
function_type const& get_function() const
{
return this->proto_expr_.child0.get_function();
}
};
#ifndef BOOST_LOG_DOXYGEN_PASS
#define BOOST_LOG_AUX_OVERLOAD(left_ref, right_ref)\
template< typename LeftExprT, typename FunT, typename CharT >\
BOOST_FORCEINLINE phoenix::actor< aux::wrapped_formatter_output_terminal< phoenix::actor< LeftExprT >, FunT > >\
operator<< (phoenix::actor< LeftExprT > left_ref left, wrapped_formatter_actor< FunT, CharT > right_ref right)\
{\
typedef aux::wrapped_formatter_output_terminal< phoenix::actor< LeftExprT >, FunT > terminal_type;\
phoenix::actor< terminal_type > actor = {{ terminal_type(left, right.get_function()) }};\
return actor;\
}
#include <boost/log/detail/generate_overloads.hpp>
#undef BOOST_LOG_AUX_OVERLOAD
#endif // BOOST_LOG_DOXYGEN_PASS
/*!
* The function wraps a function object in order it to be able to participate in formatting expressions. The wrapped
* function object must be compatible with the following signature:
*
* <pre>
* void (record_view const&, basic_formatting_ostream< CharT >&)
* </pre>
*
* where \c CharT is the character type of the formatting expression.
*/
template< typename FunT >
BOOST_FORCEINLINE wrapped_formatter_actor< FunT, typename aux::default_char_type< FunT >::type > wrap_formatter(FunT const& fun)
{
typedef wrapped_formatter_actor< FunT, typename aux::default_char_type< FunT >::type > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(fun) }};
return actor_type(act);
}
/*!
* The function wraps a function object in order it to be able to participate in formatting expressions. The wrapped
* function object must be compatible with the following signature:
*
* <pre>
* void (record_view const&, basic_formatting_ostream< CharT >&)
* </pre>
*
* where \c CharT is the character type of the formatting expression.
*/
template< typename CharT, typename FunT >
BOOST_FORCEINLINE wrapped_formatter_actor< FunT, CharT > wrap_formatter(FunT const& fun)
{
typedef wrapped_formatter_actor< FunT, CharT > actor_type;
typedef typename actor_type::terminal_type terminal_type;
typename actor_type::base_type act = {{ terminal_type(fun) }};
return actor_type(act);
}
} // namespace expressions
BOOST_LOG_CLOSE_NAMESPACE // namespace log
#ifndef BOOST_LOG_DOXYGEN_PASS
namespace phoenix {
namespace result_of {
template< typename LeftT, typename FunT >
struct is_nullary< custom_terminal< boost::log::expressions::aux::wrapped_formatter_output_terminal< LeftT, FunT > > > :
public mpl::false_
{
};
template< typename FunT, typename CharT >
struct is_nullary< custom_terminal< boost::log::expressions::wrapped_formatter_terminal< FunT, CharT > > > :
public mpl::false_
{
};
} // namespace result_of
} // namespace phoenix
#endif
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_EXPRESSIONS_FORMATTERS_WRAP_FORMATTER_HPP_INCLUDED_
@@ -0,0 +1,138 @@
/*
* Copyright Andrey Semashev 2007 - 2015.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file formatters/xml_decorator.hpp
* \author Andrey Semashev
* \date 18.11.2012
*
* The header contains implementation of a XML-style character decorator.
*/
#ifndef BOOST_LOG_EXPRESSIONS_FORMATTERS_XML_DECORATOR_HPP_INCLUDED_
#define BOOST_LOG_EXPRESSIONS_FORMATTERS_XML_DECORATOR_HPP_INCLUDED_
#include <boost/range/iterator_range_core.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/expressions/formatters/char_decorator.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace expressions {
namespace aux {
template< typename >
struct xml_decorator_traits;
#ifdef BOOST_LOG_USE_CHAR
template< >
struct xml_decorator_traits< char >
{
static boost::iterator_range< const char* const* > get_patterns()
{
static const char* const patterns[] =
{
"&", "<", ">", "\"", "'"
};
return boost::make_iterator_range(patterns);
}
static boost::iterator_range< const char* const* > get_replacements()
{
static const char* const replacements[] =
{
"&amp;", "&lt;", "&gt;", "&quot;", "&apos;"
};
return boost::make_iterator_range(replacements);
}
};
#endif // BOOST_LOG_USE_CHAR
#ifdef BOOST_LOG_USE_WCHAR_T
template< >
struct xml_decorator_traits< wchar_t >
{
static boost::iterator_range< const wchar_t* const* > get_patterns()
{
static const wchar_t* const patterns[] =
{
L"&", L"<", L">", L"\"", L"'"
};
return boost::make_iterator_range(patterns);
}
static boost::iterator_range< const wchar_t* const* > get_replacements()
{
static const wchar_t* const replacements[] =
{
L"&amp;", L"&lt;", L"&gt;", L"&quot;", L"&apos;"
};
return boost::make_iterator_range(replacements);
}
};
#endif // BOOST_LOG_USE_WCHAR_T
template< typename CharT >
struct xml_decorator_gen
{
typedef CharT char_type;
template< typename SubactorT >
BOOST_FORCEINLINE char_decorator_actor< SubactorT, pattern_replacer< char_type > > operator[] (SubactorT const& subactor) const
{
typedef xml_decorator_traits< char_type > traits_type;
typedef pattern_replacer< char_type > replacer_type;
typedef char_decorator_actor< SubactorT, replacer_type > result_type;
typedef typename result_type::terminal_type terminal_type;
typename result_type::base_type act = {{ terminal_type(subactor, replacer_type(traits_type::get_patterns(), traits_type::get_replacements())) }};
return result_type(act);
}
};
} // namespace aux
/*!
* XML-style decorator generator object. The decorator replaces characters that have special meaning
* in XML documents with the corresponding decorated counterparts. The generator provides
* <tt>operator[]</tt> that can be used to construct the actual decorator. For example:
*
* <code>
* xml_decor[ stream << attr< std::string >("MyAttr") ]
* </code>
*
* For wide-character formatting there is the similar \c wxml_decor decorator generator object.
*/
#ifdef BOOST_LOG_USE_CHAR
const aux::xml_decorator_gen< char > xml_decor = {};
#endif
#ifdef BOOST_LOG_USE_WCHAR_T
const aux::xml_decorator_gen< wchar_t > wxml_decor = {};
#endif
/*!
* The function creates an XML-style decorator generator for arbitrary character type.
*/
template< typename CharT >
BOOST_FORCEINLINE aux::xml_decorator_gen< CharT > make_xml_decor()
{
return aux::xml_decorator_gen< CharT >();
}
} // namespace expressions
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_EXPRESSIONS_FORMATTERS_XML_DECORATOR_HPP_INCLUDED_