Move DIGITS to the implementation. Widen fill_ to support both char and wchar_t.

This commit is contained in:
Victor Zverovich 2013-09-08 13:07:04 -07:00
parent f060db0261
commit 93e4125248
2 changed files with 26 additions and 24 deletions

View File

@ -108,14 +108,14 @@ struct CharTraits<wchar_t> {
swprintf(buffer, size, format, width, precision, value);
}
};
}
const char fmt::internal::DIGITS[] =
const char DIGITS[] =
"0001020304050607080910111213141516171819"
"2021222324252627282930313233343536373839"
"4041424344454647484950515253545556575859"
"6061626364656667686970717273747576777879"
"8081828384858687888990919293949596979899";
}
void fmt::internal::ReportUnknownType(char code, const char *type) {
if (std::isprint(static_cast<unsigned char>(code))) {
@ -131,8 +131,9 @@ void fmt::internal::ReportUnknownType(char code, const char *type) {
// Fills the padding around the content and returns the pointer to the
// content area.
template <typename Char>
typename fmt::BasicWriter<Char>::CharPtr fmt::BasicWriter<Char>::FillPadding(
CharPtr buffer, unsigned total_size, std::size_t content_size, char fill) {
typename fmt::BasicWriter<Char>::CharPtr
fmt::BasicWriter<Char>::FillPadding(CharPtr buffer,
unsigned total_size, std::size_t content_size, wchar_t fill) {
std::size_t padding = total_size - content_size;
std::size_t left_padding = padding / 2;
std::fill_n(buffer, left_padding, fill);
@ -152,8 +153,8 @@ void fmt::BasicWriter<Char>::FormatDecimal(
// "Three Optimization Tips for C++". See speed-test for a comparison.
unsigned index = (value % 100) * 2;
value /= 100;
buffer[num_digits] = internal::DIGITS[index + 1];
buffer[num_digits - 1] = internal::DIGITS[index];
buffer[num_digits] = DIGITS[index + 1];
buffer[num_digits - 1] = DIGITS[index];
num_digits -= 2;
}
if (value < 10) {
@ -161,8 +162,8 @@ void fmt::BasicWriter<Char>::FormatDecimal(
return;
}
unsigned index = static_cast<unsigned>(value * 2);
buffer[1] = internal::DIGITS[index + 1];
buffer[0] = internal::DIGITS[index];
buffer[1] = DIGITS[index + 1];
buffer[0] = DIGITS[index];
}
template <typename Char>
@ -651,8 +652,9 @@ template void fmt::BasicWriter<char>::FormatDouble<double>(
template void fmt::BasicWriter<char>::FormatDouble<long double>(
long double value, const FormatSpec &spec, int precision);
template fmt::BasicWriter<char>::CharPtr fmt::BasicWriter<char>::FillPadding(
CharPtr buffer, unsigned total_size, std::size_t content_size, char fill);
template fmt::BasicWriter<char>::CharPtr
fmt::BasicWriter<char>::FillPadding(CharPtr buffer,
unsigned total_size, std::size_t content_size, wchar_t fill);
template void fmt::BasicWriter<char>::FormatDecimal(
CharPtr buffer, uint64_t value, unsigned num_digits);
@ -683,8 +685,8 @@ template void fmt::BasicWriter<wchar_t>::FormatDouble<long double>(
long double value, const FormatSpec &spec, int precision);
template fmt::BasicWriter<wchar_t>::CharPtr
fmt::BasicWriter<wchar_t>::FillPadding(
CharPtr buffer, unsigned total_size, std::size_t content_size, char fill);
fmt::BasicWriter<wchar_t>::FillPadding(CharPtr buffer,
unsigned total_size, std::size_t content_size, wchar_t fill);
template void fmt::BasicWriter<wchar_t>::FormatDecimal(
CharPtr buffer, uint64_t value, unsigned num_digits);

View File

@ -169,8 +169,6 @@ struct IsLongDouble { enum {VALUE = 0}; };
template <>
struct IsLongDouble<long double> { enum {VALUE = 1}; };
extern const char DIGITS[];
void ReportUnknownType(char code, const char *type);
// Returns the number of decimal digits in n. Leading zeros are not counted
@ -281,18 +279,20 @@ struct TypeSpec : Spec {
struct WidthSpec {
unsigned width_;
char fill_;
// Fill is always wchar_t and cast to char if necessary to avoid having
// two specialization of WidthSpec and its subclasses.
wchar_t fill_;
WidthSpec(unsigned width, char fill) : width_(width), fill_(fill) {}
WidthSpec(unsigned width, wchar_t fill) : width_(width), fill_(fill) {}
unsigned width() const { return width_; }
char fill() const { return fill_; }
wchar_t fill() const { return fill_; }
};
struct AlignSpec : WidthSpec {
Alignment align_;
AlignSpec(unsigned width, char fill)
AlignSpec(unsigned width, wchar_t fill)
: WidthSpec(width, fill), align_(ALIGN_DEFAULT) {}
Alignment align() const { return align_; }
@ -300,7 +300,7 @@ struct AlignSpec : WidthSpec {
template <char TYPE>
struct AlignTypeSpec : AlignSpec {
AlignTypeSpec(unsigned width, char fill) : AlignSpec(width, fill) {}
AlignTypeSpec(unsigned width, wchar_t fill) : AlignSpec(width, fill) {}
bool sign_flag() const { return false; }
bool plus_flag() const { return false; }
@ -313,7 +313,7 @@ struct FormatSpec : AlignSpec {
unsigned flags_;
char type_;
FormatSpec(unsigned width = 0, char type = 0, char fill = ' ')
FormatSpec(unsigned width = 0, char type = 0, wchar_t fill = ' ')
: AlignSpec(width, fill), flags_(0), type_(type) {}
Alignment align() const { return align_; }
@ -368,7 +368,7 @@ IntFormatter<int, TypeSpec<'X'> > hexu(int value);
*/
template <char TYPE_CODE>
IntFormatter<int, AlignTypeSpec<TYPE_CODE> > pad(
int value, unsigned width, char fill = ' ');
int value, unsigned width, wchar_t fill = ' ');
#define DEFINE_INT_FORMATTERS(TYPE) \
inline IntFormatter<TYPE, TypeSpec<'o'> > oct(TYPE value) { \
@ -386,13 +386,13 @@ inline IntFormatter<TYPE, TypeSpec<'X'> > hexu(TYPE value) { \
template <char TYPE_CODE> \
inline IntFormatter<TYPE, AlignTypeSpec<TYPE_CODE> > pad( \
IntFormatter<TYPE, TypeSpec<TYPE_CODE> > f, \
unsigned width, char fill = ' ') { \
unsigned width, wchar_t fill = ' ') { \
return IntFormatter<TYPE, AlignTypeSpec<TYPE_CODE> >( \
f.value(), AlignTypeSpec<TYPE_CODE>(width, fill)); \
} \
\
inline IntFormatter<TYPE, AlignTypeSpec<0> > pad( \
TYPE value, unsigned width, char fill = ' ') { \
TYPE value, unsigned width, wchar_t fill = ' ') { \
return IntFormatter<TYPE, AlignTypeSpec<0> >( \
value, AlignTypeSpec<0>(width, fill)); \
}
@ -430,7 +430,7 @@ class BasicWriter {
CharPtr buffer, uint64_t value, unsigned num_digits);
static CharPtr FillPadding(CharPtr buffer,
unsigned total_size, std::size_t content_size, char fill);
unsigned total_size, std::size_t content_size, wchar_t fill);
// Grows the buffer by n characters and returns a pointer to the newly
// allocated area.