9b6ab4c601
Add logging.disabled_areas setting to coolwsd.xml with some sensible things to ignore unless they are warnings/errors. Kit code duplication around logging is grim; but not fixed in this commit. Signed-off-by: Michael Meeks <michael.meeks@collabora.com> Change-Id: I36bebb2b3c8d64a814d7b10c167d582de0baf4e5
95 lines
6.2 KiB
C++
95 lines
6.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <iosfwd>
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#include <type_traits>
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#include <string>
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/// Enum macro specifically for state-machines.
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/// Has several limitations, some intentional. For example,
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/// the states must have automatic, sequential, values.
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/// But also has some advantages, for example it can be used inside classes.
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/// Some ideas from https://stackoverflow.com/questions/28828957/enum-to-string-in-modern-c11-c14-c17-and-future-c20
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/// and from https://github.com/pfultz2/Cloak/wiki/C-Preprocessor-tricks,-tips,-and-idioms
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#define STRINGIFY1(_, e) #e,
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#define STRINGIFY2(NAME, e) #NAME "::" #e,
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#define CONCAT(X, Y) X##Y
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#define CALL(X, ...) X(__VA_ARGS__)
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#define APPLY1(MACRO, NAME, e) MACRO(NAME, e)
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#define APPLY2(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY1(MACRO, NAME, __VA_ARGS__)
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#define APPLY3(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY2(MACRO, NAME, __VA_ARGS__)
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#define APPLY4(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY3(MACRO, NAME, __VA_ARGS__)
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#define APPLY5(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY4(MACRO, NAME, __VA_ARGS__)
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#define APPLY6(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY5(MACRO, NAME, __VA_ARGS__)
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#define APPLY7(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY6(MACRO, NAME, __VA_ARGS__)
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#define APPLY8(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY7(MACRO, NAME, __VA_ARGS__)
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#define APPLY9(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY8(MACRO, NAME, __VA_ARGS__)
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#define APPLY10(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY9(MACRO, NAME, __VA_ARGS__)
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#define APPLY11(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY10(MACRO, NAME, __VA_ARGS__)
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#define APPLY12(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY11(MACRO, NAME, __VA_ARGS__)
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#define APPLY13(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY12(MACRO, NAME, __VA_ARGS__)
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#define APPLY14(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY13(MACRO, NAME, __VA_ARGS__)
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#define APPLY15(MACRO, NAME, e, ...) MACRO(NAME, e) APPLY14(MACRO, NAME, __VA_ARGS__)
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// Credit to Anton Bachin for this trick.
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#define GET_COUNT(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, c, ...) c
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#define COUNT_ARGS(...) GET_COUNT(__VA_ARGS__, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
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#define APPLY(MACRO, NAME, ...) \
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CALL(CONCAT, APPLY, COUNT_ARGS(__VA_ARGS__))(MACRO, NAME, __VA_ARGS__)
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#define FOR_EACH(MACRO, NAME, ...) APPLY(MACRO, NAME, __VA_ARGS__)
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/// Define a state-machine with various independent states.
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/// NAME is the name of the state enum followed by the state names.
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#define STATE_ENUM(NAME, ...) \
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enum class NAME : char; \
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/* Returns the state name only, without the namespace. */ \
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static inline const char* nameShort(NAME e) \
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{ \
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static const char* const NAME##_names[] = { FOR_EACH(STRINGIFY1, NAME, __VA_ARGS__) }; \
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assert(static_cast<unsigned>(e) < N_ELEMENTS(NAME##_names) && \
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"Enum value is out of range."); \
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return NAME##_names[static_cast<int>(e)]; \
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} \
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/* Returns the state name only, without the namespace, as a std::string. */ \
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static inline std::string toStringShort(NAME e) \
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{ \
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return nameShort(e); \
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} \
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/* Returns the state name with the namespace. */ \
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static inline const char* name(NAME e) \
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{ \
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static const char* const NAME##_names[] = { FOR_EACH(STRINGIFY2, NAME, __VA_ARGS__) }; \
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assert(static_cast<unsigned>(e) < N_ELEMENTS(NAME##_names) && \
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"Enum value is out of range."); \
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return NAME##_names[static_cast<int>(e)]; \
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} \
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/* Returns the state name, with the namespace, as a std::string. */ \
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static inline std::string toString(NAME e) \
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{ \
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return name(e); \
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} \
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static const size_t NAME##Max = COUNT_ARGS(__VA_ARGS__); \
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enum class NAME : char \
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{ \
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__VA_ARGS__ \
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}
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/// Support seamless serialization of STATE_ENUM to ostream.
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template <typename T, typename std::enable_if<
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std::is_same<decltype(name(T())), const char*>::value>::type* = nullptr>
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inline std::ostream& operator<<(std::ostream& os, const T state)
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{
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os << name(state);
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return os;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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