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4 changed files with 1177 additions and 955 deletions
609
ext/format.cc
609
ext/format.cc
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@ -52,17 +52,6 @@
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using fmt::internal::Arg;
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// Check if exceptions are disabled.
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#if defined(__GNUC__) && !defined(__EXCEPTIONS)
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# define FMT_EXCEPTIONS 0
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#endif
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#if defined(_MSC_VER) && !_HAS_EXCEPTIONS
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# define FMT_EXCEPTIONS 0
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#endif
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#ifndef FMT_EXCEPTIONS
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# define FMT_EXCEPTIONS 1
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#endif
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#if FMT_EXCEPTIONS
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# define FMT_TRY try
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# define FMT_CATCH(x) catch (x)
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@ -71,14 +60,6 @@ using fmt::internal::Arg;
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# define FMT_CATCH(x) if (false)
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#endif
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#ifndef FMT_THROW
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# if FMT_EXCEPTIONS
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# define FMT_THROW(x) throw x
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# else
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# define FMT_THROW(x) assert(false)
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# endif
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#endif
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#ifdef FMT_HEADER_ONLY
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# define FMT_FUNC inline
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#else
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@ -226,10 +207,15 @@ void format_error_code(fmt::Writer &out, int error_code,
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out.clear();
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static const char SEP[] = ": ";
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static const char ERROR_STR[] = "error ";
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fmt::internal::IntTraits<int>::MainType ec_value = error_code;
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// Subtract 2 to account for terminating null characters in SEP and ERROR_STR.
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std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2;
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error_code_size += fmt::internal::count_digits(ec_value);
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typedef fmt::internal::IntTraits<int>::MainType MainType;
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MainType abs_value = static_cast<MainType>(error_code);
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if (internal::is_negative(error_code)) {
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abs_value = 0 - abs_value;
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++error_code_size;
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}
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error_code_size += fmt::internal::count_digits(abs_value);
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if (message.size() <= fmt::internal::INLINE_BUFFER_SIZE - error_code_size)
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out << message << SEP;
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out << ERROR_STR << error_code;
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@ -253,50 +239,6 @@ class IsZeroInt : public fmt::internal::ArgVisitor<IsZeroInt, bool> {
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bool visit_any_int(T value) { return value == 0; }
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};
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// Parses an unsigned integer advancing s to the end of the parsed input.
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// This function assumes that the first character of s is a digit.
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template <typename Char>
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int parse_nonnegative_int(const Char *&s) {
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assert('0' <= *s && *s <= '9');
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unsigned value = 0;
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do {
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unsigned new_value = value * 10 + (*s++ - '0');
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// Check if value wrapped around.
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if (new_value < value) {
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value = UINT_MAX;
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break;
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}
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value = new_value;
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} while ('0' <= *s && *s <= '9');
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if (value > INT_MAX)
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FMT_THROW(fmt::FormatError("number is too big"));
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return value;
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}
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template <typename Char>
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inline bool is_name_start(Char c) {
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return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c;
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}
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inline void require_numeric_argument(const Arg &arg, char spec) {
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if (arg.type > Arg::LAST_NUMERIC_TYPE) {
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std::string message =
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fmt::format("format specifier '{}' requires numeric argument", spec);
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FMT_THROW(fmt::FormatError(message));
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}
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}
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template <typename Char>
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void check_sign(const Char *&s, const Arg &arg) {
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char sign = static_cast<char>(*s);
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require_numeric_argument(arg, sign);
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if (arg.type == Arg::UINT || arg.type == Arg::ULONG_LONG) {
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FMT_THROW(fmt::FormatError(fmt::format(
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"format specifier '{}' requires signed argument", sign)));
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}
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++s;
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}
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// Checks if an argument is a valid printf width specifier and sets
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// left alignment if it is negative.
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class WidthHandler : public fmt::internal::ArgVisitor<WidthHandler, unsigned> {
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@ -315,7 +257,7 @@ class WidthHandler : public fmt::internal::ArgVisitor<WidthHandler, unsigned> {
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template <typename T>
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unsigned visit_any_int(T value) {
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typedef typename fmt::internal::IntTraits<T>::MainType UnsignedType;
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UnsignedType width = value;
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UnsignedType width = static_cast<UnsignedType>(value);
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if (fmt::internal::is_negative(value)) {
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spec_.align_ = fmt::ALIGN_LEFT;
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width = 0 - width;
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@ -341,8 +283,21 @@ class PrecisionHandler :
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}
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};
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// Converts an integer argument to an integral type T for printf.
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template <typename T, typename U>
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struct is_same {
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enum { value = 0 };
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};
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template <typename T>
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struct is_same<T, T> {
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enum { value = 1 };
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};
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// An argument visitor that converts an integer argument to T for printf,
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// if T is an integral type. If T is void, the argument is converted to
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// corresponding signed or unsigned type depending on the type specifier:
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// 'd' and 'i' - signed, other - unsigned)
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template <typename T = void>
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class ArgConverter : public fmt::internal::ArgVisitor<ArgConverter<T>, void> {
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private:
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fmt::internal::Arg &arg_;
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@ -363,21 +318,25 @@ class ArgConverter : public fmt::internal::ArgVisitor<ArgConverter<T>, void> {
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void visit_any_int(U value) {
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bool is_signed = type_ == 'd' || type_ == 'i';
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using fmt::internal::Arg;
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if (sizeof(T) <= sizeof(int)) {
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typedef typename fmt::internal::Conditional<
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is_same<T, void>::value, U, T>::type TargetType;
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if (sizeof(TargetType) <= sizeof(int)) {
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// Extra casts are used to silence warnings.
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if (is_signed) {
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arg_.type = Arg::INT;
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arg_.int_value = static_cast<int>(static_cast<T>(value));
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arg_.int_value = static_cast<int>(static_cast<TargetType>(value));
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} else {
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arg_.type = Arg::UINT;
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arg_.uint_value = static_cast<unsigned>(
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static_cast<typename fmt::internal::MakeUnsigned<T>::Type>(value));
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typedef typename fmt::internal::MakeUnsigned<TargetType>::Type Unsigned;
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arg_.uint_value = static_cast<unsigned>(static_cast<Unsigned>(value));
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}
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} else {
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if (is_signed) {
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arg_.type = Arg::LONG_LONG;
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arg_.long_long_value =
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static_cast<typename fmt::internal::MakeUnsigned<U>::Type>(value);
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// glibc's printf doesn't sign extend arguments of smaller types:
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// std::printf("%lld", -42); // prints "4294967254"
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// but we don't have to do the same because it's a UB.
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arg_.long_long_value = static_cast<fmt::LongLong>(value);
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} else {
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arg_.type = Arg::ULONG_LONG;
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arg_.ulong_long_value =
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@ -403,138 +362,46 @@ class CharConverter : public fmt::internal::ArgVisitor<CharConverter, void> {
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arg_.int_value = static_cast<char>(value);
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}
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};
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// Write the content of w to os.
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void write(std::ostream &os, fmt::Writer &w) {
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const char *data = w.data();
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typedef internal::MakeUnsigned<std::streamsize>::Type UnsignedStreamSize;
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UnsignedStreamSize size = w.size();
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UnsignedStreamSize max_size =
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internal::to_unsigned((std::numeric_limits<std::streamsize>::max)());
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do {
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UnsignedStreamSize n = size <= max_size ? size : max_size;
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os.write(data, static_cast<std::streamsize>(n));
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data += n;
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size -= n;
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} while (size != 0);
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}
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} // namespace
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namespace internal {
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template <typename Impl, typename Char>
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class BasicArgFormatter : public ArgVisitor<Impl, void> {
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private:
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BasicWriter<Char> &writer_;
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FormatSpec &spec_;
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FMT_DISALLOW_COPY_AND_ASSIGN(BasicArgFormatter);
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void write_pointer(const void *p) {
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spec_.flags_ = HASH_FLAG;
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spec_.type_ = 'x';
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writer_.write_int(reinterpret_cast<uintptr_t>(p), spec_);
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}
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protected:
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BasicWriter<Char> &writer() { return writer_; }
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FormatSpec &spec() { return spec_; }
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void write_bool(bool value) {
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const char *str_value = value ? "true" : "false";
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Arg::StringValue<char> str = { str_value, strlen(str_value) };
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writer_.write_str(str, spec_);
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}
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public:
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BasicArgFormatter(BasicWriter<Char> &w, FormatSpec &s)
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: writer_(w), spec_(s) {}
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template <typename T>
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void visit_any_int(T value) { writer_.write_int(value, spec_); }
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template <typename T>
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void visit_any_double(T value) { writer_.write_double(value, spec_); }
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void visit_bool(bool value) {
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if (spec_.type_)
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return visit_any_int(value);
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write_bool(value);
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}
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void visit_char(int value) {
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if (spec_.type_ && spec_.type_ != 'c') {
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spec_.flags_ |= CHAR_FLAG;
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writer_.write_int(value, spec_);
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return;
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}
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if (spec_.align_ == ALIGN_NUMERIC || spec_.flags_ != 0)
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FMT_THROW(FormatError("invalid format specifier for char"));
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typedef typename BasicWriter<Char>::CharPtr CharPtr;
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Char fill = internal::CharTraits<Char>::cast(spec_.fill());
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CharPtr out = CharPtr();
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const unsigned CHAR_WIDTH = 1;
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if (spec_.width_ > CHAR_WIDTH) {
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out = writer_.grow_buffer(spec_.width_);
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if (spec_.align_ == ALIGN_RIGHT) {
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std::fill_n(out, spec_.width_ - CHAR_WIDTH, fill);
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out += spec_.width_ - CHAR_WIDTH;
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} else if (spec_.align_ == ALIGN_CENTER) {
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out = writer_.fill_padding(out, spec_.width_,
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internal::check(CHAR_WIDTH), fill);
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} else {
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std::fill_n(out + CHAR_WIDTH, spec_.width_ - CHAR_WIDTH, fill);
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}
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} else {
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out = writer_.grow_buffer(CHAR_WIDTH);
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}
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*out = internal::CharTraits<Char>::cast(value);
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}
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void visit_cstring(const char *value) {
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if (spec_.type_ == 'p')
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return write_pointer(value);
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Arg::StringValue<char> str = {value, 0};
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writer_.write_str(str, spec_);
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}
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void visit_string(Arg::StringValue<char> value) {
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writer_.write_str(value, spec_);
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}
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using ArgVisitor<Impl, void>::visit_wstring;
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void visit_wstring(Arg::StringValue<Char> value) {
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writer_.write_str(value, spec_);
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}
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void visit_pointer(const void *value) {
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if (spec_.type_ && spec_.type_ != 'p')
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report_unknown_type(spec_.type_, "pointer");
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write_pointer(value);
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}
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};
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// An argument formatter.
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template <typename Char>
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class ArgFormatter : public BasicArgFormatter<ArgFormatter<Char>, Char> {
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private:
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BasicFormatter<Char> &formatter_;
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const Char *format_;
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public:
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ArgFormatter(BasicFormatter<Char> &f, FormatSpec &s, const Char *fmt)
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: BasicArgFormatter<ArgFormatter<Char>, Char>(f.writer(), s),
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formatter_(f), format_(fmt) {}
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void visit_custom(Arg::CustomValue c) {
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c.format(&formatter_, c.value, &format_);
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}
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};
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template <typename Char>
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class PrintfArgFormatter :
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public BasicArgFormatter<PrintfArgFormatter<Char>, Char> {
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public ArgFormatterBase<PrintfArgFormatter<Char>, Char> {
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void write_null_pointer() {
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this->writer() << "(nil)";
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this->spec().type_ = 0;
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this->write("(nil)");
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}
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typedef ArgFormatterBase<PrintfArgFormatter<Char>, Char> Base;
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public:
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PrintfArgFormatter(BasicWriter<Char> &w, FormatSpec &s)
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: BasicArgFormatter<PrintfArgFormatter<Char>, Char>(w, s) {}
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: ArgFormatterBase<PrintfArgFormatter<Char>, Char>(w, s) {}
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void visit_bool(bool value) {
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FormatSpec &fmt_spec = this->spec();
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if (fmt_spec.type_ != 's')
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return this->visit_any_int(value);
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fmt_spec.type_ = 0;
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this->write_bool(value);
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this->write(value);
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}
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void visit_char(int value) {
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@ -561,18 +428,18 @@ class PrintfArgFormatter :
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void visit_cstring(const char *value) {
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if (value)
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BasicArgFormatter<PrintfArgFormatter<Char>, Char>::visit_cstring(value);
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Base::visit_cstring(value);
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else if (this->spec().type_ == 'p')
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write_null_pointer();
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else
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this->writer() << "(null)";
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this->write("(null)");
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}
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void visit_pointer(const void *value) {
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if (value)
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BasicArgFormatter<PrintfArgFormatter<Char>, Char>::visit_pointer(value);
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else
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write_null_pointer();
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return Base::visit_pointer(value);
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this->spec().type_ = 0;
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write_null_pointer();
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}
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void visit_custom(Arg::CustomValue c) {
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@ -721,30 +588,28 @@ FMT_FUNC void fmt::WindowsError::init(
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FMT_FUNC void fmt::internal::format_windows_error(
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fmt::Writer &out, int error_code,
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fmt::StringRef message) FMT_NOEXCEPT {
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class String {
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private:
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LPWSTR str_;
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public:
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String() : str_() {}
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~String() { LocalFree(str_); }
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LPWSTR *ptr() { return &str_; }
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LPCWSTR c_str() const { return str_; }
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};
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FMT_TRY {
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String system_message;
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if (FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0,
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error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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reinterpret_cast<LPWSTR>(system_message.ptr()), 0, 0)) {
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UTF16ToUTF8 utf8_message;
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if (utf8_message.convert(system_message.c_str()) == ERROR_SUCCESS) {
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out << message << ": " << utf8_message;
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return;
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MemoryBuffer<wchar_t, INLINE_BUFFER_SIZE> buffer;
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buffer.resize(INLINE_BUFFER_SIZE);
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for (;;) {
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wchar_t *system_message = &buffer[0];
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int result = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
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0, error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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system_message, static_cast<uint32_t>(buffer.size()), 0);
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if (result != 0) {
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UTF16ToUTF8 utf8_message;
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if (utf8_message.convert(system_message) == ERROR_SUCCESS) {
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out << message << ": " << utf8_message;
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return;
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}
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break;
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}
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if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
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break; // Can't get error message, report error code instead.
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buffer.resize(buffer.size() * 2);
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}
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} FMT_CATCH(...) {}
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format_error_code(out, error_code, message);
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fmt::format_error_code(out, error_code, message); // 'fmt::' is for bcc32.
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}
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#endif // FMT_USE_WINDOWS_H
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|
@ -767,7 +632,7 @@ FMT_FUNC void fmt::internal::format_system_error(
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buffer.resize(buffer.size() * 2);
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}
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} FMT_CATCH(...) {}
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format_error_code(out, error_code, message);
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fmt::format_error_code(out, error_code, message); // 'fmt::' is for bcc32.
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}
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template <typename Char>
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|
@ -786,7 +651,7 @@ void fmt::internal::ArgMap<Char>::init(const ArgList &args) {
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return;
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case internal::Arg::NAMED_ARG:
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named_arg = static_cast<const NamedArg*>(args.values_[i].pointer);
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map_.insert(Pair(named_arg->name, *named_arg));
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map_.push_back(Pair(named_arg->name, *named_arg));
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break;
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default:
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/*nothing*/;
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|
@ -798,7 +663,7 @@ void fmt::internal::ArgMap<Char>::init(const ArgList &args) {
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internal::Arg::Type arg_type = args.type(i);
|
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if (arg_type == internal::Arg::NAMED_ARG) {
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named_arg = static_cast<const NamedArg*>(args.args_[i].pointer);
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map_.insert(Pair(named_arg->name, *named_arg));
|
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map_.push_back(Pair(named_arg->name, *named_arg));
|
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}
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}
|
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for (unsigned i = ArgList::MAX_PACKED_ARGS;/*nothing*/; ++i) {
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|
@ -807,7 +672,7 @@ void fmt::internal::ArgMap<Char>::init(const ArgList &args) {
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return;
|
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case internal::Arg::NAMED_ARG:
|
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named_arg = static_cast<const NamedArg*>(args.args_[i].pointer);
|
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map_.insert(Pair(named_arg->name, *named_arg));
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map_.push_back(Pair(named_arg->name, *named_arg));
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break;
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default:
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/*nothing*/;
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|
@ -820,70 +685,6 @@ void fmt::internal::FixedBuffer<Char>::grow(std::size_t) {
|
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FMT_THROW(std::runtime_error("buffer overflow"));
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}
|
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|
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template <typename Char>
|
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template <typename StrChar>
|
||||
void fmt::BasicWriter<Char>::write_str(
|
||||
const Arg::StringValue<StrChar> &s, const FormatSpec &spec) {
|
||||
// Check if StrChar is convertible to Char.
|
||||
internal::CharTraits<Char>::convert(StrChar());
|
||||
if (spec.type_ && spec.type_ != 's')
|
||||
internal::report_unknown_type(spec.type_, "string");
|
||||
const StrChar *str_value = s.value;
|
||||
std::size_t str_size = s.size;
|
||||
if (str_size == 0) {
|
||||
if (!str_value) {
|
||||
FMT_THROW(FormatError("string pointer is null"));
|
||||
return;
|
||||
}
|
||||
if (*str_value)
|
||||
str_size = std::char_traits<StrChar>::length(str_value);
|
||||
}
|
||||
std::size_t precision = spec.precision_;
|
||||
if (spec.precision_ >= 0 && precision < str_size)
|
||||
str_size = spec.precision_;
|
||||
write_str(str_value, str_size, spec);
|
||||
}
|
||||
|
||||
template <typename Char>
|
||||
inline Arg fmt::BasicFormatter<Char>::get_arg(
|
||||
BasicStringRef<Char> arg_name, const char *&error) {
|
||||
if (check_no_auto_index(error)) {
|
||||
map_.init(args());
|
||||
const Arg *arg = map_.find(arg_name);
|
||||
if (arg)
|
||||
return *arg;
|
||||
error = "argument not found";
|
||||
}
|
||||
return Arg();
|
||||
}
|
||||
|
||||
template <typename Char>
|
||||
inline Arg fmt::BasicFormatter<Char>::parse_arg_index(const Char *&s) {
|
||||
const char *error = 0;
|
||||
Arg arg = *s < '0' || *s > '9' ?
|
||||
next_arg(error) : get_arg(parse_nonnegative_int(s), error);
|
||||
if (error) {
|
||||
FMT_THROW(FormatError(
|
||||
*s != '}' && *s != ':' ? "invalid format string" : error));
|
||||
}
|
||||
return arg;
|
||||
}
|
||||
|
||||
template <typename Char>
|
||||
inline Arg fmt::BasicFormatter<Char>::parse_arg_name(const Char *&s) {
|
||||
assert(is_name_start(*s));
|
||||
const Char *start = s;
|
||||
Char c;
|
||||
do {
|
||||
c = *++s;
|
||||
} while (is_name_start(c) || ('0' <= c && c <= '9'));
|
||||
const char *error = 0;
|
||||
Arg arg = get_arg(fmt::BasicStringRef<Char>(start, s - start), error);
|
||||
if (error)
|
||||
FMT_THROW(fmt::FormatError(error));
|
||||
return arg;
|
||||
}
|
||||
|
||||
FMT_FUNC Arg fmt::internal::FormatterBase::do_get_arg(
|
||||
unsigned arg_index, const char *&error) {
|
||||
Arg arg = args_[arg_index];
|
||||
|
@ -893,34 +694,13 @@ FMT_FUNC Arg fmt::internal::FormatterBase::do_get_arg(
|
|||
break;
|
||||
case Arg::NAMED_ARG:
|
||||
arg = *static_cast<const internal::Arg*>(arg.pointer);
|
||||
break;
|
||||
default:
|
||||
/*nothing*/;
|
||||
}
|
||||
return arg;
|
||||
}
|
||||
|
||||
inline Arg fmt::internal::FormatterBase::next_arg(const char *&error) {
|
||||
if (next_arg_index_ >= 0)
|
||||
return do_get_arg(next_arg_index_++, error);
|
||||
error = "cannot switch from manual to automatic argument indexing";
|
||||
return Arg();
|
||||
}
|
||||
|
||||
inline bool fmt::internal::FormatterBase::check_no_auto_index(
|
||||
const char *&error) {
|
||||
if (next_arg_index_ > 0) {
|
||||
error = "cannot switch from automatic to manual argument indexing";
|
||||
return false;
|
||||
}
|
||||
next_arg_index_ = -1;
|
||||
return true;
|
||||
}
|
||||
|
||||
inline Arg fmt::internal::FormatterBase::get_arg(
|
||||
unsigned arg_index, const char *&error) {
|
||||
return check_no_auto_index(error) ? do_get_arg(arg_index, error) : Arg();
|
||||
}
|
||||
|
||||
template <typename Char>
|
||||
void fmt::internal::PrintfFormatter<Char>::parse_flags(
|
||||
FormatSpec &spec, const Char *&s) {
|
||||
|
@ -1019,7 +799,7 @@ void fmt::internal::PrintfFormatter<Char>::format(
|
|||
if (*s == '.') {
|
||||
++s;
|
||||
if ('0' <= *s && *s <= '9') {
|
||||
spec.precision_ = parse_nonnegative_int(s);
|
||||
spec.precision_ = static_cast<int>(parse_nonnegative_int(s));
|
||||
} else if (*s == '*') {
|
||||
++s;
|
||||
spec.precision_ = PrecisionHandler().visit(get_arg(s));
|
||||
|
@ -1028,7 +808,7 @@ void fmt::internal::PrintfFormatter<Char>::format(
|
|||
|
||||
Arg arg = get_arg(s, arg_index);
|
||||
if (spec.flag(HASH_FLAG) && IsZeroInt().visit(arg))
|
||||
spec.flags_ &= ~HASH_FLAG;
|
||||
spec.flags_ &= ~to_unsigned<int>(HASH_FLAG);
|
||||
if (spec.fill_ == '0') {
|
||||
if (arg.type <= Arg::LAST_NUMERIC_TYPE)
|
||||
spec.align_ = ALIGN_NUMERIC;
|
||||
|
@ -1065,7 +845,7 @@ void fmt::internal::PrintfFormatter<Char>::format(
|
|||
break;
|
||||
default:
|
||||
--s;
|
||||
ArgConverter<int>(arg, *s).visit(arg);
|
||||
ArgConverter<void>(arg, *s).visit(arg);
|
||||
}
|
||||
|
||||
// Parse type.
|
||||
|
@ -1093,205 +873,17 @@ void fmt::internal::PrintfFormatter<Char>::format(
|
|||
write(writer, start, s);
|
||||
}
|
||||
|
||||
template <typename Char>
|
||||
const Char *fmt::BasicFormatter<Char>::format(
|
||||
const Char *&format_str, const Arg &arg) {
|
||||
const Char *s = format_str;
|
||||
FormatSpec spec;
|
||||
if (*s == ':') {
|
||||
if (arg.type == Arg::CUSTOM) {
|
||||
arg.custom.format(this, arg.custom.value, &s);
|
||||
return s;
|
||||
}
|
||||
++s;
|
||||
// Parse fill and alignment.
|
||||
if (Char c = *s) {
|
||||
const Char *p = s + 1;
|
||||
spec.align_ = ALIGN_DEFAULT;
|
||||
do {
|
||||
switch (*p) {
|
||||
case '<':
|
||||
spec.align_ = ALIGN_LEFT;
|
||||
break;
|
||||
case '>':
|
||||
spec.align_ = ALIGN_RIGHT;
|
||||
break;
|
||||
case '=':
|
||||
spec.align_ = ALIGN_NUMERIC;
|
||||
break;
|
||||
case '^':
|
||||
spec.align_ = ALIGN_CENTER;
|
||||
break;
|
||||
}
|
||||
if (spec.align_ != ALIGN_DEFAULT) {
|
||||
if (p != s) {
|
||||
if (c == '}') break;
|
||||
if (c == '{')
|
||||
FMT_THROW(FormatError("invalid fill character '{'"));
|
||||
s += 2;
|
||||
spec.fill_ = c;
|
||||
} else ++s;
|
||||
if (spec.align_ == ALIGN_NUMERIC)
|
||||
require_numeric_argument(arg, '=');
|
||||
break;
|
||||
}
|
||||
} while (--p >= s);
|
||||
}
|
||||
|
||||
// Parse sign.
|
||||
switch (*s) {
|
||||
case '+':
|
||||
check_sign(s, arg);
|
||||
spec.flags_ |= SIGN_FLAG | PLUS_FLAG;
|
||||
break;
|
||||
case '-':
|
||||
check_sign(s, arg);
|
||||
spec.flags_ |= MINUS_FLAG;
|
||||
break;
|
||||
case ' ':
|
||||
check_sign(s, arg);
|
||||
spec.flags_ |= SIGN_FLAG;
|
||||
break;
|
||||
}
|
||||
|
||||
if (*s == '#') {
|
||||
require_numeric_argument(arg, '#');
|
||||
spec.flags_ |= HASH_FLAG;
|
||||
++s;
|
||||
}
|
||||
|
||||
// Parse zero flag.
|
||||
if (*s == '0') {
|
||||
require_numeric_argument(arg, '0');
|
||||
spec.align_ = ALIGN_NUMERIC;
|
||||
spec.fill_ = '0';
|
||||
++s;
|
||||
}
|
||||
|
||||
// Parse width.
|
||||
if ('0' <= *s && *s <= '9') {
|
||||
spec.width_ = parse_nonnegative_int(s);
|
||||
} else if (*s == '{') {
|
||||
++s;
|
||||
Arg width_arg = is_name_start(*s) ?
|
||||
parse_arg_name(s) : parse_arg_index(s);
|
||||
if (*s++ != '}')
|
||||
FMT_THROW(FormatError("invalid format string"));
|
||||
ULongLong value = 0;
|
||||
switch (width_arg.type) {
|
||||
case Arg::INT:
|
||||
if (width_arg.int_value < 0)
|
||||
FMT_THROW(FormatError("negative width"));
|
||||
value = width_arg.int_value;
|
||||
break;
|
||||
case Arg::UINT:
|
||||
value = width_arg.uint_value;
|
||||
break;
|
||||
case Arg::LONG_LONG:
|
||||
if (width_arg.long_long_value < 0)
|
||||
FMT_THROW(FormatError("negative width"));
|
||||
value = width_arg.long_long_value;
|
||||
break;
|
||||
case Arg::ULONG_LONG:
|
||||
value = width_arg.ulong_long_value;
|
||||
break;
|
||||
default:
|
||||
FMT_THROW(FormatError("width is not integer"));
|
||||
}
|
||||
if (value > INT_MAX)
|
||||
FMT_THROW(FormatError("number is too big"));
|
||||
spec.width_ = static_cast<int>(value);
|
||||
}
|
||||
|
||||
// Parse precision.
|
||||
if (*s == '.') {
|
||||
++s;
|
||||
spec.precision_ = 0;
|
||||
if ('0' <= *s && *s <= '9') {
|
||||
spec.precision_ = parse_nonnegative_int(s);
|
||||
} else if (*s == '{') {
|
||||
++s;
|
||||
Arg precision_arg =
|
||||
is_name_start(*s) ? parse_arg_name(s) : parse_arg_index(s);
|
||||
if (*s++ != '}')
|
||||
FMT_THROW(FormatError("invalid format string"));
|
||||
ULongLong value = 0;
|
||||
switch (precision_arg.type) {
|
||||
case Arg::INT:
|
||||
if (precision_arg.int_value < 0)
|
||||
FMT_THROW(FormatError("negative precision"));
|
||||
value = precision_arg.int_value;
|
||||
break;
|
||||
case Arg::UINT:
|
||||
value = precision_arg.uint_value;
|
||||
break;
|
||||
case Arg::LONG_LONG:
|
||||
if (precision_arg.long_long_value < 0)
|
||||
FMT_THROW(FormatError("negative precision"));
|
||||
value = precision_arg.long_long_value;
|
||||
break;
|
||||
case Arg::ULONG_LONG:
|
||||
value = precision_arg.ulong_long_value;
|
||||
break;
|
||||
default:
|
||||
FMT_THROW(FormatError("precision is not integer"));
|
||||
}
|
||||
if (value > INT_MAX)
|
||||
FMT_THROW(FormatError("number is too big"));
|
||||
spec.precision_ = static_cast<int>(value);
|
||||
} else {
|
||||
FMT_THROW(FormatError("missing precision specifier"));
|
||||
}
|
||||
if (arg.type <= Arg::LAST_INTEGER_TYPE || arg.type == Arg::POINTER) {
|
||||
FMT_THROW(FormatError(
|
||||
fmt::format("precision not allowed in {} format specifier",
|
||||
arg.type == Arg::POINTER ? "pointer" : "integer")));
|
||||
}
|
||||
}
|
||||
|
||||
// Parse type.
|
||||
if (*s != '}' && *s)
|
||||
spec.type_ = static_cast<char>(*s++);
|
||||
}
|
||||
|
||||
if (*s++ != '}')
|
||||
FMT_THROW(FormatError("missing '}' in format string"));
|
||||
|
||||
// Format argument.
|
||||
internal::ArgFormatter<Char>(*this, spec, s - 1).visit(arg);
|
||||
return s;
|
||||
}
|
||||
|
||||
template <typename Char>
|
||||
void fmt::BasicFormatter<Char>::format(BasicCStringRef<Char> format_str) {
|
||||
const Char *s = format_str.c_str();
|
||||
const Char *start = s;
|
||||
while (*s) {
|
||||
Char c = *s++;
|
||||
if (c != '{' && c != '}') continue;
|
||||
if (*s == c) {
|
||||
write(writer_, start, s);
|
||||
start = ++s;
|
||||
continue;
|
||||
}
|
||||
if (c == '}')
|
||||
FMT_THROW(FormatError("unmatched '}' in format string"));
|
||||
write(writer_, start, s - 1);
|
||||
Arg arg = is_name_start(*s) ? parse_arg_name(s) : parse_arg_index(s);
|
||||
start = s = format(s, arg);
|
||||
}
|
||||
write(writer_, start, s);
|
||||
}
|
||||
|
||||
FMT_FUNC void fmt::report_system_error(
|
||||
int error_code, fmt::StringRef message) FMT_NOEXCEPT {
|
||||
report_error(internal::format_system_error, error_code, message);
|
||||
// 'fmt::' is for bcc32.
|
||||
fmt::report_error(internal::format_system_error, error_code, message);
|
||||
}
|
||||
|
||||
#if FMT_USE_WINDOWS_H
|
||||
FMT_FUNC void fmt::report_windows_error(
|
||||
int error_code, fmt::StringRef message) FMT_NOEXCEPT {
|
||||
report_error(internal::format_windows_error, error_code, message);
|
||||
// 'fmt::' is for bcc32.
|
||||
fmt::report_error(internal::format_windows_error, error_code, message);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
@ -1305,10 +897,11 @@ FMT_FUNC void fmt::print(CStringRef format_str, ArgList args) {
|
|||
print(stdout, format_str, args);
|
||||
}
|
||||
|
||||
FMT_FUNC void fmt::print(std::ostream &os, CStringRef format_str, ArgList args) {
|
||||
FMT_FUNC void fmt::print(std::ostream &os, CStringRef format_str,
|
||||
ArgList args) {
|
||||
MemoryWriter w;
|
||||
w.write(format_str, args);
|
||||
os.write(w.data(), w.size());
|
||||
write(os, w);
|
||||
}
|
||||
|
||||
FMT_FUNC void fmt::print_colored(Color c, CStringRef format, ArgList args) {
|
||||
|
@ -1326,6 +919,13 @@ FMT_FUNC int fmt::fprintf(std::FILE *f, CStringRef format, ArgList args) {
|
|||
return std::fwrite(w.data(), 1, size, f) < size ? -1 : static_cast<int>(size);
|
||||
}
|
||||
|
||||
FMT_FUNC int fmt::fprintf(std::ostream &os, CStringRef format, ArgList args) {
|
||||
MemoryWriter w;
|
||||
printf(w, format, args);
|
||||
write(os, w);
|
||||
return static_cast<int>(w.size());
|
||||
}
|
||||
|
||||
#ifndef FMT_HEADER_ONLY
|
||||
|
||||
template struct fmt::internal::BasicData<void>;
|
||||
|
@ -1334,10 +934,7 @@ template struct fmt::internal::BasicData<void>;
|
|||
|
||||
template void fmt::internal::FixedBuffer<char>::grow(std::size_t);
|
||||
|
||||
template const char *fmt::BasicFormatter<char>::format(
|
||||
const char *&format_str, const fmt::internal::Arg &arg);
|
||||
|
||||
template void fmt::BasicFormatter<char>::format(CStringRef format);
|
||||
template void fmt::internal::ArgMap<char>::init(const fmt::ArgList &args);
|
||||
|
||||
template void fmt::internal::PrintfFormatter<char>::format(
|
||||
BasicWriter<char> &writer, CStringRef format);
|
||||
|
@ -1354,11 +951,7 @@ template int fmt::internal::CharTraits<char>::format_float(
|
|||
|
||||
template void fmt::internal::FixedBuffer<wchar_t>::grow(std::size_t);
|
||||
|
||||
template const wchar_t *fmt::BasicFormatter<wchar_t>::format(
|
||||
const wchar_t *&format_str, const fmt::internal::Arg &arg);
|
||||
|
||||
template void fmt::BasicFormatter<wchar_t>::format(
|
||||
BasicCStringRef<wchar_t> format);
|
||||
template void fmt::internal::ArgMap<wchar_t>::init(const fmt::ArgList &args);
|
||||
|
||||
template void fmt::internal::PrintfFormatter<wchar_t>::format(
|
||||
BasicWriter<wchar_t> &writer, WCStringRef format);
|
||||
|
|
1504
ext/format.h
1504
ext/format.h
File diff suppressed because it is too large
Load diff
15
main.cpp
15
main.cpp
|
@ -20,8 +20,7 @@ namespace epee {
|
|||
|
||||
int main() {
|
||||
|
||||
|
||||
path blockchain_path {"/home/mwo/.bitmonero/lmdb/"};
|
||||
path blockchain_path {"/home/mwo/.bitmonero/lmdb"};
|
||||
|
||||
fmt::print("Blockchain path : {}\n", blockchain_path);
|
||||
|
||||
|
@ -51,16 +50,10 @@ int main() {
|
|||
"Top block height : {:d}\n", height);
|
||||
|
||||
|
||||
std::string view {"Blockchain height {{height}}"};
|
||||
|
||||
|
||||
std::string view{"{{#names}}Hi {{name}}!\n{{/names}}"};
|
||||
|
||||
mstch::map context{
|
||||
{"names", mstch::array{
|
||||
mstch::map{{"name", std::string{"Chris"}}},
|
||||
mstch::map{{"name", std::string{"Mark"}}},
|
||||
mstch::map{{"name", std::string{"Scott"}}},
|
||||
}}
|
||||
mstch::map context {
|
||||
{"height", fmt::format("{:d}", height)}
|
||||
};
|
||||
|
||||
crow::SimpleApp app;
|
||||
|
|
|
@ -36,8 +36,8 @@ namespace xmreg
|
|||
{
|
||||
int db_flags = 0;
|
||||
|
||||
//db_flags |= MDB_RDONLY;
|
||||
//db_flags |= MDB_NOLOCK;
|
||||
db_flags |= MDB_RDONLY;
|
||||
db_flags |= MDB_NOLOCK;
|
||||
db_flags |= MDB_NOSYNC;
|
||||
|
||||
BlockchainDB* db = nullptr;
|
||||
|
|
Loading…
Reference in a new issue