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https://github.com/fmtlib/fmt.git
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Move BasicArg & make_arg from BasicWriter to the internal namespace.
This commit is contained in:
Victor Zverovich
parent
21111cc954
commit
ba70b30d7e
247
format.h
247
format.h
@ -630,6 +630,115 @@ struct ArgInfo {
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CustomValue custom;
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};
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};
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// An argument action that does nothing.
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struct NullArgAction {
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void operator()() const {}
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};
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// A wrapper around a format argument.
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template <typename Char, typename Action = internal::NullArgAction>
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class BasicArg : public Action, public internal::ArgInfo {
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private:
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// This method is private to disallow formatting of arbitrary pointers.
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// If you want to output a pointer cast it to const void*. Do not implement!
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template <typename T>
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BasicArg(const T *value);
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// This method is private to disallow formatting of arbitrary pointers.
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// If you want to output a pointer cast it to void*. Do not implement!
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template <typename T>
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BasicArg(T *value);
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public:
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using internal::ArgInfo::type;
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BasicArg() {}
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// TODO: unsigned char & signed char
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BasicArg(short value) { type = INT; int_value = value; }
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BasicArg(unsigned short value) { type = UINT; uint_value = value; }
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BasicArg(int value) { type = INT; int_value = value; }
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BasicArg(unsigned value) { type = UINT; uint_value = value; }
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BasicArg(long value) {
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if (sizeof(long) == sizeof(int)) {
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type = INT;
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int_value = static_cast<int>(value);
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} else {
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type = LONG_LONG;
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long_long_value = value;
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}
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}
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BasicArg(unsigned long value) {
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if (sizeof(unsigned long) == sizeof(unsigned)) {
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type = UINT;
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uint_value = static_cast<unsigned>(value);
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} else {
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type = ULONG_LONG;
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ulong_long_value = value;
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}
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}
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BasicArg(LongLong value) { type = LONG_LONG; long_long_value = value; }
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BasicArg(ULongLong value) { type = ULONG_LONG; ulong_long_value = value; }
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BasicArg(float value) { type = DOUBLE; double_value = value; }
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BasicArg(double value) { type = DOUBLE; double_value = value; }
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BasicArg(long double value) { type = LONG_DOUBLE; long_double_value = value; }
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BasicArg(char value) { type = CHAR; int_value = value; }
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BasicArg(wchar_t value) {
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type = CHAR;
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int_value = internal::CharTraits<Char>::ConvertChar(value);
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}
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BasicArg(const char *value) {
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type = STRING;
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string.value = value;
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string.size = 0;
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}
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BasicArg(const wchar_t *value) {
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type = WSTRING;
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wstring.value = value;
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wstring.size = 0;
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}
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BasicArg(Char *value) {
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type = STRING;
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string.value = value;
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string.size = 0;
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}
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BasicArg(const void *value) { type = POINTER; pointer_value = value;
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}
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BasicArg(void *value) { type = POINTER; pointer_value = value; }
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BasicArg(const std::basic_string<Char> &value) {
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type = STRING;
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string.value = value.c_str();
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string.size = value.size();
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}
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BasicArg(BasicStringRef<Char> value) {
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type = STRING;
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string.value = value.c_str();
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string.size = value.size();
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}
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template <typename T>
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BasicArg(const T &value) {
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type = CUSTOM;
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custom.value = &value;
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custom.format = &internal::FormatCustomArg<Char, T>;
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}
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// The destructor is declared noexcept(false) because the action may throw
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// an exception.
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~BasicArg() FMT_NOEXCEPT(false) {
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// Invoke the action.
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(*this)();
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}
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};
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template <typename Char, typename T>
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inline ArgInfo make_arg(const T &arg) { return BasicArg<Char>(arg); }
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} // namespace internal
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/**
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@ -908,20 +1017,21 @@ public:
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# define FMT_MAKE_TEMPLATE_ARG(n) typename T##n
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# define FMT_MAKE_ARG(n) const T##n &v##n
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# define FMT_MAKE_REF_char(n) fmt::Writer::make_arg(v##n)
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# define FMT_MAKE_REF_wchar_t(n) fmt::WWriter::make_arg(v##n)
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# define FMT_MAKE_REF_char(n) fmt::internal::make_arg<char>(v##n)
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# define FMT_MAKE_REF_wchar_t(n) fmt::internal::make_arg<wchar_t>(v##n)
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#if FMT_USE_VARIADIC_TEMPLATES
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// Defines a variadic function returning void.
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# define FMT_VARIADIC_VOID(func, arg_type) \
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template<typename... Args> \
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void func(arg_type arg1, const Args & ... args) { \
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const BasicArg<> \
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arg_array[fmt::internal::NonZero<sizeof...(Args)>::VALUE] = {args...}; \
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const internal::ArgInfo arg_array[fmt::internal::NonZero<sizeof...(Args)>::VALUE] = { \
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fmt::internal::make_arg<Char>(args)... \
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}; \
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func(arg1, ArgList(arg_array, sizeof...(Args))); \
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}
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#else
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# define FMT_MAKE_REF(n) fmt::BasicWriter<Char>::make_arg(v##n)
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# define FMT_MAKE_REF(n) fmt::internal::make_arg<Char>(v##n)
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// Defines a wrapper for a function taking one argument of type arg_type
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// and n additional arguments of arbitrary types.
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# define FMT_WRAP1(func, arg_type, n) \
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@ -1066,126 +1176,6 @@ class BasicWriter {
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static ULongLong GetIntValue(const Arg &arg);
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// An argument action that does nothing.
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struct NullArgAction {
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void operator()() const {}
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};
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// A wrapper around a format argument.
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template <typename Action = NullArgAction>
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class BasicArg : public Action, public Arg {
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private:
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// This method is private to disallow formatting of arbitrary pointers.
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// If you want to output a pointer cast it to const void*. Do not implement!
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template <typename T>
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BasicArg(const T *value);
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// This method is private to disallow formatting of arbitrary pointers.
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// If you want to output a pointer cast it to void*. Do not implement!
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template <typename T>
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BasicArg(T *value);
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public:
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using Arg::type;
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BasicArg() {}
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// TODO: unsigned char & signed char
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BasicArg(short value) { type = Arg::INT; Arg::int_value = value; }
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BasicArg(unsigned short value) {
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type = Arg::UINT;
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Arg::uint_value = value;
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}
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BasicArg(int value) { type = Arg::INT; Arg::int_value = value; }
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BasicArg(unsigned value) { type = Arg::UINT; Arg::uint_value = value; }
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BasicArg(long value) {
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if (sizeof(long) == sizeof(int)) {
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type = Arg::INT;
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Arg::int_value = static_cast<int>(value);
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} else {
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type = Arg::LONG_LONG;
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Arg::long_long_value = value;
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}
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}
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BasicArg(unsigned long value) {
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if (sizeof(unsigned long) == sizeof(unsigned)) {
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type = Arg::UINT;
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Arg::uint_value = static_cast<unsigned>(value);
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} else {
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type = Arg::ULONG_LONG;
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Arg::ulong_long_value = value;
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}
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}
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BasicArg(LongLong value) {
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type = Arg::LONG_LONG;
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Arg::long_long_value = value;
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}
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BasicArg(ULongLong value) {
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type = Arg::ULONG_LONG;
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Arg::ulong_long_value = value;
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}
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BasicArg(float value) { type = Arg::DOUBLE; Arg::double_value = value; }
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BasicArg(double value) { type = Arg::DOUBLE; Arg::double_value = value; }
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BasicArg(long double value) {
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type = Arg::LONG_DOUBLE;
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Arg::long_double_value = value;
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}
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BasicArg(char value) { type = Arg::CHAR; Arg::int_value = value; }
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BasicArg(wchar_t value) {
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type = Arg::CHAR;
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Arg::int_value = internal::CharTraits<Char>::ConvertChar(value);
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}
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BasicArg(const char *value) {
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type = Arg::STRING;
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Arg::string.value = value;
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Arg::string.size = 0;
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}
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BasicArg(const wchar_t *value) {
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type = Arg::WSTRING;
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Arg::wstring.value = value;
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Arg::wstring.size = 0;
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}
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BasicArg(Char *value) {
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type = Arg::STRING;
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Arg::string.value = value;
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Arg::string.size = 0;
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}
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BasicArg(const void *value) {
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type = Arg::POINTER;
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Arg::pointer_value = value;
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}
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BasicArg(void *value) { type = Arg::POINTER; Arg::pointer_value = value; }
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BasicArg(const std::basic_string<Char> &value) {
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type = Arg::STRING;
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Arg::string.value = value.c_str();
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Arg::string.size = value.size();
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}
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BasicArg(BasicStringRef<Char> value) {
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type = Arg::STRING;
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Arg::string.value = value.c_str();
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Arg::string.size = value.size();
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}
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template <typename T>
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BasicArg(const T &value) {
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type = Arg::CUSTOM;
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Arg::custom.value = &value;
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Arg::custom.format = &internal::FormatCustomArg<Char, T>;
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}
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// The destructor is declared noexcept(false) because the action may throw
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// an exception.
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~BasicArg() FMT_NOEXCEPT(false) {
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// Invoke the action.
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(*this)();
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}
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};
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// Format string parser.
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class FormatParser {
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private:
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@ -1309,9 +1299,6 @@ class BasicWriter {
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PrintfParser().Format(w, format, args);
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}
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template <typename T>
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static Arg make_arg(const T &arg) { return BasicArg<>(arg); }
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BasicWriter &operator<<(int value) {
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return *this << IntFormatSpec<int>(value);
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}
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@ -1644,7 +1631,7 @@ class BasicFormatter {
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};
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typedef typename internal::ArgInfo ArgInfo;
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typedef typename BasicWriter<Char>::template BasicArg<ArgAction> Arg;
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typedef internal::BasicArg<Char, ArgAction> Arg;
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enum { NUM_INLINE_ARGS = 10 };
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internal::Array<ArgInfo, NUM_INLINE_ARGS> args_; // Format arguments.
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@ -2152,7 +2139,7 @@ inline void FormatDec(char *&buffer, T value) {
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const Args & ... args) { \
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enum {N = fmt::internal::NonZero<sizeof...(Args)>::VALUE}; \
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const fmt::internal::ArgInfo array[N] = { \
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fmt::BasicWriter<Char>::make_arg(args)... \
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fmt::internal::make_arg<Char>(args)... \
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}; \
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return func(FMT_FOR_EACH(FMT_GET_ARG_NAME, __VA_ARGS__), \
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fmt::ArgList(array, sizeof...(Args))); \
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