Файловый менеджер

Файловый менеджер - Редактировать - /snap/gnome-42-2204/176/usr/lib/glibmm-2.4/proc/m4/class_opaque_copyable.m4

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dnl $Id$ dnl dnl _CLASS_OPAQUE_COPYABLE(Region, GdkRegion, gdk_region_new, gdk_region_copy, gdk_region_destroy, api_decoration) dnl define(`_CLASS_OPAQUE_COPYABLE',`dnl _PUSH() dnl dnl Define the args for later macros define(`__CPPNAME__',`$1') define(`__CNAME__',`$2') define(`__OPAQUE_FUNC_NEW',`$3') define(`__OPAQUE_FUNC_COPY',`$4') define(`__OPAQUE_FUNC_FREE',`$5') define(`__OPAQUE_FUNC_DECORATION',`$6') define(`_CUSTOM_DEFAULT_CTOR',`dnl _PUSH() dnl Define this macro to be tested for later. define(`__BOOL_CUSTOM_DEFAULT_CTOR__',`$1') _POP() ') define(`_CUSTOM_CTOR_CAST',`dnl _PUSH() dnl Define this macro to be tested for later. define(`__BOOL_CUSTOM_CTOR_CAST__',`$1') _POP() ') _POP() _SECTION(SECTION_CLASS2) ') dnl End of _CLASS_OPAQUE_COPYABLE. dnl dnl _END_CLASS_OPAQUE_COPYABLE() dnl denotes the end of a class dnl define(`_END_CLASS_OPAQUE_COPYABLE',` _SECTION(SECTION_HEADER3) __NAMESPACE_BEGIN__ /** @relates __NAMESPACE__::__CPPNAME__ * @param lhs The left-hand side * @param rhs The right-hand side / inline void swap(__CPPNAME__& lhs, __CPPNAME__& rhs) noexcept { lhs.swap(rhs); } __NAMESPACE_END__ ifdef(`__BOOL_NO_WRAP_FUNCTION__',`dnl ',`dnl else namespace Glib { /* A Glib::wrap() method for this object. * * @param object The C instance. * @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref. * @result A C++ instance that wraps this C instance. * * @relates __NAMESPACE__::__CPPNAME__ / __OPAQUE_FUNC_DECORATION __NAMESPACE__::__CPPNAME__ wrap(__CNAME__ object, bool take_copy = false); } // namespace Glib ')dnl endif __BOOL_NO_WRAP_FUNCTION__ _SECTION(SECTION_SRC_GENERATED) ifdef(`__BOOL_NO_WRAP_FUNCTION__',`dnl ',`dnl else namespace Glib { __NAMESPACE__::__CPPNAME__ wrap(__CNAME__* object, bool take_copy /* = false /) { return __NAMESPACE__::__CPPNAME__`'(object, take_copy); } } // namespace Glib ')dnl endif __NAMESPACE_BEGIN__ dnl dnl The implementation: dnl ifdef(`__BOOL_CUSTOM_DEFAULT_CTOR__',`dnl ',`dnl else __CPPNAME__::__CPPNAME__`'() : ifelse(__OPAQUE_FUNC_NEW,NONE,`dnl gobject_ (nullptr) // Allows creation of invalid wrapper, e.g. for output arguments to methods. ',`dnl else gobject_ (__OPAQUE_FUNC_NEW`'()) ')dnl {} ')dnl endif __BOOL_CUSTOM_DEFAULT_CTOR__ __CPPNAME__::__CPPNAME__`'(const __CPPNAME__& src) : gobject_ ((src.gobject_) ? __OPAQUE_FUNC_COPY`'(src.gobject_) : nullptr) {} ifdef(`__BOOL_CUSTOM_CTOR_CAST__',,`dnl else __CPPNAME__::__CPPNAME__`'(__CNAME__ castitem, bool make_a_copy /* = false /) { if(!make_a_copy) { // It was given to us by a function which has already made a copy for us to keep. gobject_ = castitem; } else { // We are probably getting it via direct access to a struct, // so we can not just take it - we have to take a copy of it. if(castitem) gobject_ = __OPAQUE_FUNC_COPY`'(castitem); else gobject_ = nullptr; } } ') ifelse(__OPAQUE_FUNC_COPY,NONE,`dnl ',`dnl else __CPPNAME__& __CPPNAME__::operator=(const __CPPNAME__`'& src) { const auto new_gobject = (src.gobject_) ? __OPAQUE_FUNC_COPY`'(src.gobject_) : nullptr; if(gobject_) __OPAQUE_FUNC_FREE`'(gobject_); gobject_ = new_gobject; return this; } ')dnl __CPPNAME__::__CPPNAME__`'(__CPPNAME__&& other) noexcept : gobject_(other.gobject_) { other.gobject_ = nullptr; } __CPPNAME__& __CPPNAME__::operator=(__CPPNAME__`'&& other) noexcept { __CPPNAME__ temp (std::move(other)); swap(temp); return this; } __CPPNAME__::~__CPPNAME__`'() noexcept { if(gobject_) __OPAQUE_FUNC_FREE`'(gobject_); } void __CPPNAME__::swap(__CPPNAME__& other) noexcept { std::swap(gobject_, other.gobject_); } __CNAME__ __CPPNAME__::gobj_copy() const { return __OPAQUE_FUNC_COPY`'(gobject_); } _IMPORT(SECTION_CC) __NAMESPACE_END__ dnl dnl dnl dnl _POP() dnl dnl dnl The actual class, e.g. Pango::FontDescription, declaration: dnl _IMPORT(SECTION_CLASS1) public: #ifndef DOXYGEN_SHOULD_SKIP_THIS using CppObjectType = __CPPNAME__; using BaseObjectType = __CNAME__; #endif /* DOXYGEN_SHOULD_SKIP_THIS / ifdef(`__BOOL_CUSTOM_DEFAULT_CTOR__',`dnl ',`dnl else /* Constructs an invalid object. * E.g. for output arguments to methods. There is not much you can do with * the object before it has been assigned a valid value. / __CPPNAME__`'(); ')dnl // Use make_a_copy=true when getting it directly from a struct. explicit __CPPNAME__`'(__CNAME__ castitem, bool make_a_copy = false); __CPPNAME__`'(const __CPPNAME__& src); __CPPNAME__& operator=(const __CPPNAME__& src); __CPPNAME__`'(__CPPNAME__&& other) noexcept; __CPPNAME__& operator=(__CPPNAME__&& other) noexcept; _IMPORT(SECTION_DTOR_DOCUMENTATION) ~__CPPNAME__`'() noexcept; void swap(__CPPNAME__& other) noexcept; __CNAME__* gobj() { return gobject_; } const __CNAME__* gobj() const { return gobject_; } ///Provides access to the underlying C instance. The caller is responsible for freeing it. Use when directly setting fields in structs. __CNAME__* gobj_copy() const; protected: __CNAME__* gobject_; private: _IMPORT(SECTION_CLASS2) ')

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