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This commit is contained in:
moneroexamples 2016-04-07 08:38:58 +08:00
parent e881cccc78
commit ca2e97e8dc
4 changed files with 1177 additions and 955 deletions
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609
ext/format.cc
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@ -52,17 +52,6 @@
using fmt::internal::Arg;
// Check if exceptions are disabled.
#if defined(__GNUC__) && !defined(__EXCEPTIONS)
# define FMT_EXCEPTIONS 0
#endif
#if defined(_MSC_VER) && !_HAS_EXCEPTIONS
# define FMT_EXCEPTIONS 0
#endif
#ifndef FMT_EXCEPTIONS
# define FMT_EXCEPTIONS 1
#endif
#if FMT_EXCEPTIONS
# define FMT_TRY try
# define FMT_CATCH(x) catch (x)
@ -71,14 +60,6 @@ using fmt::internal::Arg;
# define FMT_CATCH(x) if (false)
#endif
#ifndef FMT_THROW
# if FMT_EXCEPTIONS
# define FMT_THROW(x) throw x
# else
# define FMT_THROW(x) assert(false)
# endif
#endif
#ifdef FMT_HEADER_ONLY
# define FMT_FUNC inline
#else
@ -226,10 +207,15 @@ void format_error_code(fmt::Writer &out, int error_code,
out.clear();
static const char SEP[] = ": ";
static const char ERROR_STR[] = "error ";
fmt::internal::IntTraits<int>::MainType ec_value = error_code;
// Subtract 2 to account for terminating null characters in SEP and ERROR_STR.
std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2;
error_code_size += fmt::internal::count_digits(ec_value);
typedef fmt::internal::IntTraits<int>::MainType MainType;
MainType abs_value = static_cast<MainType>(error_code);
if (internal::is_negative(error_code)) {
abs_value = 0 - abs_value;
++error_code_size;
}
error_code_size += fmt::internal::count_digits(abs_value);
if (message.size() <= fmt::internal::INLINE_BUFFER_SIZE - error_code_size)
out << message << SEP;
out << ERROR_STR << error_code;
@ -253,50 +239,6 @@ class IsZeroInt : public fmt::internal::ArgVisitor<IsZeroInt, bool> {
bool visit_any_int(T value) { return value == 0; }
};
// Parses an unsigned integer advancing s to the end of the parsed input.
// This function assumes that the first character of s is a digit.
template <typename Char>
int parse_nonnegative_int(const Char *&s) {
assert('0' <= *s && *s <= '9');
unsigned value = 0;
do {
unsigned new_value = value * 10 + (*s++ - '0');
// Check if value wrapped around.
if (new_value < value) {
value = UINT_MAX;
break;
}
value = new_value;
} while ('0' <= *s && *s <= '9');
if (value > INT_MAX)
FMT_THROW(fmt::FormatError("number is too big"));
return value;
}
template <typename Char>
inline bool is_name_start(Char c) {
return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c;
}
inline void require_numeric_argument(const Arg &arg, char spec) {
if (arg.type > Arg::LAST_NUMERIC_TYPE) {
std::string message =
fmt::format("format specifier '{}' requires numeric argument", spec);
FMT_THROW(fmt::FormatError(message));
}
}
template <typename Char>
void check_sign(const Char *&s, const Arg &arg) {
char sign = static_cast<char>(*s);
require_numeric_argument(arg, sign);
if (arg.type == Arg::UINT || arg.type == Arg::ULONG_LONG) {
FMT_THROW(fmt::FormatError(fmt::format(
"format specifier '{}' requires signed argument", sign)));
}
++s;
}
// Checks if an argument is a valid printf width specifier and sets
// left alignment if it is negative.
class WidthHandler : public fmt::internal::ArgVisitor<WidthHandler, unsigned> {
@ -315,7 +257,7 @@ class WidthHandler : public fmt::internal::ArgVisitor<WidthHandler, unsigned> {
template <typename T>
unsigned visit_any_int(T value) {
typedef typename fmt::internal::IntTraits<T>::MainType UnsignedType;
UnsignedType width = value;
UnsignedType width = static_cast<UnsignedType>(value);
if (fmt::internal::is_negative(value)) {
spec_.align_ = fmt::ALIGN_LEFT;
width = 0 - width;
@ -341,8 +283,21 @@ class PrecisionHandler :
}
};
// Converts an integer argument to an integral type T for printf.
template <typename T, typename U>
struct is_same {
enum { value = 0 };
};
template <typename T>
struct is_same<T, T> {
enum { value = 1 };
};
// An argument visitor that converts an integer argument to T for printf,
// if T is an integral type. If T is void, the argument is converted to
// corresponding signed or unsigned type depending on the type specifier:
// 'd' and 'i' - signed, other - unsigned)
template <typename T = void>
class ArgConverter : public fmt::internal::ArgVisitor<ArgConverter<T>, void> {
private:
fmt::internal::Arg &arg_;
@ -363,21 +318,25 @@ class ArgConverter : public fmt::internal::ArgVisitor<ArgConverter<T>, void> {
void visit_any_int(U value) {
bool is_signed = type_ == 'd' || type_ == 'i';
using fmt::internal::Arg;
if (sizeof(T) <= sizeof(int)) {
typedef typename fmt::internal::Conditional<
is_same<T, void>::value, U, T>::type TargetType;
if (sizeof(TargetType) <= sizeof(int)) {
// Extra casts are used to silence warnings.
if (is_signed) {
arg_.type = Arg::INT;
arg_.int_value = static_cast<int>(static_cast<T>(value));
arg_.int_value = static_cast<int>(static_cast<TargetType>(value));
} else {
arg_.type = Arg::UINT;
arg_.uint_value = static_cast<unsigned>(
static_cast<typename fmt::internal::MakeUnsigned<T>::Type>(value));
typedef typename fmt::internal::MakeUnsigned<TargetType>::Type Unsigned;
arg_.uint_value = static_cast<unsigned>(static_cast<Unsigned>(value));
}
} else {
if (is_signed) {
arg_.type = Arg::LONG_LONG;
arg_.long_long_value =
static_cast<typename fmt::internal::MakeUnsigned<U>::Type>(value);
// glibc's printf doesn't sign extend arguments of smaller types:
// std::printf("%lld", -42); // prints "4294967254"
// but we don't have to do the same because it's a UB.
arg_.long_long_value = static_cast<fmt::LongLong>(value);
} else {
arg_.type = Arg::ULONG_LONG;
arg_.ulong_long_value =
@ -403,138 +362,46 @@ class CharConverter : public fmt::internal::ArgVisitor<CharConverter, void> {
arg_.int_value = static_cast<char>(value);
}
};
// Write the content of w to os.
void write(std::ostream &os, fmt::Writer &w) {
const char *data = w.data();
typedef internal::MakeUnsigned<std::streamsize>::Type UnsignedStreamSize;
UnsignedStreamSize size = w.size();
UnsignedStreamSize max_size =
internal::to_unsigned((std::numeric_limits<std::streamsize>::max)());
do {
UnsignedStreamSize n = size <= max_size ? size : max_size;
os.write(data, static_cast<std::streamsize>(n));
data += n;
size -= n;
} while (size != 0);
}
} // namespace
namespace internal {
template <typename Impl, typename Char>
class BasicArgFormatter : public ArgVisitor<Impl, void> {
private:
BasicWriter<Char> &writer_;
FormatSpec &spec_;
FMT_DISALLOW_COPY_AND_ASSIGN(BasicArgFormatter);
void write_pointer(const void *p) {
spec_.flags_ = HASH_FLAG;
spec_.type_ = 'x';
writer_.write_int(reinterpret_cast<uintptr_t>(p), spec_);
}
protected:
BasicWriter<Char> &writer() { return writer_; }
FormatSpec &spec() { return spec_; }
void write_bool(bool value) {
const char *str_value = value ? "true" : "false";
Arg::StringValue<char> str = { str_value, strlen(str_value) };
writer_.write_str(str, spec_);
}
public:
BasicArgFormatter(BasicWriter<Char> &w, FormatSpec &s)
: writer_(w), spec_(s) {}
template <typename T>
void visit_any_int(T value) { writer_.write_int(value, spec_); }
template <typename T>
void visit_any_double(T value) { writer_.write_double(value, spec_); }
void visit_bool(bool value) {
if (spec_.type_)
return visit_any_int(value);
write_bool(value);
}
void visit_char(int value) {
if (spec_.type_ && spec_.type_ != 'c') {
spec_.flags_ |= CHAR_FLAG;
writer_.write_int(value, spec_);
return;
}
if (spec_.align_ == ALIGN_NUMERIC || spec_.flags_ != 0)
FMT_THROW(FormatError("invalid format specifier for char"));
typedef typename BasicWriter<Char>::CharPtr CharPtr;
Char fill = internal::CharTraits<Char>::cast(spec_.fill());
CharPtr out = CharPtr();
const unsigned CHAR_WIDTH = 1;
if (spec_.width_ > CHAR_WIDTH) {
out = writer_.grow_buffer(spec_.width_);
if (spec_.align_ == ALIGN_RIGHT) {
std::fill_n(out, spec_.width_ - CHAR_WIDTH, fill);
out += spec_.width_ - CHAR_WIDTH;
} else if (spec_.align_ == ALIGN_CENTER) {
out = writer_.fill_padding(out, spec_.width_,
internal::check(CHAR_WIDTH), fill);
} else {
std::fill_n(out + CHAR_WIDTH, spec_.width_ - CHAR_WIDTH, fill);
}
} else {
out = writer_.grow_buffer(CHAR_WIDTH);
}
*out = internal::CharTraits<Char>::cast(value);
}
void visit_cstring(const char *value) {
if (spec_.type_ == 'p')
return write_pointer(value);
Arg::StringValue<char> str = {value, 0};
writer_.write_str(str, spec_);
}
void visit_string(Arg::StringValue<char> value) {
writer_.write_str(value, spec_);
}
using ArgVisitor<Impl, void>::visit_wstring;
void visit_wstring(Arg::StringValue<Char> value) {
writer_.write_str(value, spec_);
}
void visit_pointer(const void *value) {
if (spec_.type_ && spec_.type_ != 'p')
report_unknown_type(spec_.type_, "pointer");
write_pointer(value);
}
};
// An argument formatter.
template <typename Char>
class ArgFormatter : public BasicArgFormatter<ArgFormatter<Char>, Char> {
private:
BasicFormatter<Char> &formatter_;
const Char *format_;
public:
ArgFormatter(BasicFormatter<Char> &f, FormatSpec &s, const Char *fmt)
: BasicArgFormatter<ArgFormatter<Char>, Char>(f.writer(), s),
formatter_(f), format_(fmt) {}
void visit_custom(Arg::CustomValue c) {
c.format(&formatter_, c.value, &format_);
}
};
template <typename Char>
class PrintfArgFormatter :
public BasicArgFormatter<PrintfArgFormatter<Char>, Char> {
public ArgFormatterBase<PrintfArgFormatter<Char>, Char> {
void write_null_pointer() {
this->writer() << "(nil)";
this->spec().type_ = 0;
this->write("(nil)");
}
typedef ArgFormatterBase<PrintfArgFormatter<Char>, Char> Base;
public:
PrintfArgFormatter(BasicWriter<Char> &w, FormatSpec &s)
: BasicArgFormatter<PrintfArgFormatter<Char>, Char>(w, s) {}
: ArgFormatterBase<PrintfArgFormatter<Char>, Char>(w, s) {}
void visit_bool(bool value) {
FormatSpec &fmt_spec = this->spec();
if (fmt_spec.type_ != 's')
return this->visit_any_int(value);
fmt_spec.type_ = 0;
this->write_bool(value);
this->write(value);
}
void visit_char(int value) {
@ -561,18 +428,18 @@ class PrintfArgFormatter :
void visit_cstring(const char *value) {
if (value)
BasicArgFormatter<PrintfArgFormatter<Char>, Char>::visit_cstring(value);
Base::visit_cstring(value);
else if (this->spec().type_ == 'p')
write_null_pointer();
else
this->writer() << "(null)";
this->write("(null)");
}
void visit_pointer(const void *value) {
if (value)
BasicArgFormatter<PrintfArgFormatter<Char>, Char>::visit_pointer(value);
else
write_null_pointer();
return Base::visit_pointer(value);
this->spec().type_ = 0;
write_null_pointer();
}
void visit_custom(Arg::CustomValue c) {
@ -721,30 +588,28 @@ FMT_FUNC void fmt::WindowsError::init(
FMT_FUNC void fmt::internal::format_windows_error(
fmt::Writer &out, int error_code,
fmt::StringRef message) FMT_NOEXCEPT {
class String {
private:
LPWSTR str_;
public:
String() : str_() {}
~String() { LocalFree(str_); }
LPWSTR *ptr() { return &str_; }
LPCWSTR c_str() const { return str_; }
};
FMT_TRY {
String system_message;
if (FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0,
error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
reinterpret_cast<LPWSTR>(system_message.ptr()), 0, 0)) {
UTF16ToUTF8 utf8_message;
if (utf8_message.convert(system_message.c_str()) == ERROR_SUCCESS) {
out << message << ": " << utf8_message;
return;
MemoryBuffer<wchar_t, INLINE_BUFFER_SIZE> buffer;
buffer.resize(INLINE_BUFFER_SIZE);
for (;;) {
wchar_t *system_message = &buffer[0];
int result = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
0, error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
system_message, static_cast<uint32_t>(buffer.size()), 0);
if (result != 0) {
UTF16ToUTF8 utf8_message;
if (utf8_message.convert(system_message) == ERROR_SUCCESS) {
out << message << ": " << utf8_message;
return;
}
break;
}
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
break; // Can't get error message, report error code instead.
buffer.resize(buffer.size() * 2);
}
} FMT_CATCH(...) {}
format_error_code(out, error_code, message);
fmt::format_error_code(out, error_code, message); // 'fmt::' is for bcc32.
}
#endif // FMT_USE_WINDOWS_H
@ -767,7 +632,7 @@ FMT_FUNC void fmt::internal::format_system_error(
buffer.resize(buffer.size() * 2);
}
} FMT_CATCH(...) {}
format_error_code(out, error_code, message);
fmt::format_error_code(out, error_code, message); // 'fmt::' is for bcc32.
}
template <typename Char>
@ -786,7 +651,7 @@ void fmt::internal::ArgMap<Char>::init(const ArgList &args) {
return;
case internal::Arg::NAMED_ARG:
named_arg = static_cast<const NamedArg*>(args.values_[i].pointer);
map_.insert(Pair(named_arg->name, *named_arg));
map_.push_back(Pair(named_arg->name, *named_arg));
break;
default:
/*nothing*/;
@ -798,7 +663,7 @@ void fmt::internal::ArgMap<Char>::init(const ArgList &args) {
internal::Arg::Type arg_type = args.type(i);
if (arg_type == internal::Arg::NAMED_ARG) {
named_arg = static_cast<const NamedArg*>(args.args_[i].pointer);
map_.insert(Pair(named_arg->name, *named_arg));
map_.push_back(Pair(named_arg->name, *named_arg));
}
}
for (unsigned i = ArgList::MAX_PACKED_ARGS;/*nothing*/; ++i) {
@ -807,7 +672,7 @@ void fmt::internal::ArgMap<Char>::init(const ArgList &args) {
return;
case internal::Arg::NAMED_ARG:
named_arg = static_cast<const NamedArg*>(args.args_[i].pointer);
map_.insert(Pair(named_arg->name, *named_arg));
map_.push_back(Pair(named_arg->name, *named_arg));
break;
default:
/*nothing*/;
@ -820,70 +685,6 @@ void fmt::internal::FixedBuffer<Char>::grow(std::size_t) {
FMT_THROW(std::runtime_error("buffer overflow"));
}
template <typename Char>
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
View File

File diff suppressed because it is too large Load Diff

15
main.cpp
View File

@ -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;

4
src/MicroCore.cpp
View File

@ -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;