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Add default ctor and fix use of constexpr macros in text_style

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This commit is contained in:
Victor Zverovich 2018-12-07 07:15:13 -08:00
parent acfa95d4a8
commit b6bc6ec246
1 changed files with 28 additions and 28 deletions
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56
include/fmt/color.h
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@ -217,11 +217,9 @@ struct rgb {
// Experimental text formatting support. // Experimental text formatting support.
class text_style { class text_style {
public: public:
FMT_CONSTEXPR_DECL text_style(emphasis em) FMT_NOEXCEPT FMT_CONSTEXPR text_style(emphasis em = emphasis()) FMT_NOEXCEPT
: set_foreground_color(), : set_foreground_color(), set_background_color(), ems(em) {}
set_background_color(),
ems(em) {}
FMT_CONSTEXPR_DECL FMT_CONSTEXPR_DECL
text_style &operator|=(const text_style &rhs) FMT_NOEXCEPT { text_style &operator|=(const text_style &rhs) FMT_NOEXCEPT {
@ -248,13 +246,12 @@ public:
return *this; return *this;
} }
friend FMT_CONSTEXPR_DECL friend FMT_CONSTEXPR
text_style operator|(text_style lhs, const text_style &rhs) FMT_NOEXCEPT { text_style operator|(text_style lhs, const text_style &rhs) FMT_NOEXCEPT {
return lhs |= rhs; return lhs |= rhs;
} }
FMT_CONSTEXPR_DECL FMT_CONSTEXPR text_style &operator&=(const text_style &rhs) FMT_NOEXCEPT {
text_style &operator&=(const text_style &rhs) FMT_NOEXCEPT {
if (!set_foreground_color) { if (!set_foreground_color) {
set_foreground_color = rhs.set_foreground_color; set_foreground_color = rhs.set_foreground_color;
foreground_color = rhs.foreground_color; foreground_color = rhs.foreground_color;
@ -278,25 +275,25 @@ public:
return *this; return *this;
} }
friend FMT_CONSTEXPR_DECL friend FMT_CONSTEXPR
text_style operator&(text_style lhs, const text_style &rhs) FMT_NOEXCEPT { text_style operator&(text_style lhs, const text_style &rhs) FMT_NOEXCEPT {
return lhs &= rhs; return lhs &= rhs;
} }
FMT_CONSTEXPR_DECL bool has_foreground() const FMT_NOEXCEPT { FMT_CONSTEXPR bool has_foreground() const FMT_NOEXCEPT {
return set_foreground_color; return set_foreground_color;
} }
FMT_CONSTEXPR_DECL bool has_background() const FMT_NOEXCEPT { FMT_CONSTEXPR bool has_background() const FMT_NOEXCEPT {
return set_background_color; return set_background_color;
} }
FMT_CONSTEXPR_DECL bool has_emphasis() const FMT_NOEXCEPT { FMT_CONSTEXPR bool has_emphasis() const FMT_NOEXCEPT {
return static_cast<uint8_t>(ems) != 0; return static_cast<uint8_t>(ems) != 0;
} }
FMT_CONSTEXPR_DECL rgb get_foreground() const FMT_NOEXCEPT { FMT_CONSTEXPR rgb get_foreground() const FMT_NOEXCEPT {
assert(has_foreground() && "no foreground specified for this style"); assert(has_foreground() && "no foreground specified for this style");
return foreground_color; return foreground_color;
} }
FMT_CONSTEXPR_DECL rgb get_background() const FMT_NOEXCEPT { FMT_CONSTEXPR rgb get_background() const FMT_NOEXCEPT {
assert(has_background() && "no background specified for this style"); assert(has_background() && "no background specified for this style");
return background_color; return background_color;
} }
@ -306,14 +303,12 @@ public:
} }
private: private:
FMT_CONSTEXPR_DECL text_style(bool is_foreground, FMT_CONSTEXPR text_style(bool is_foreground, rgb text_color) FMT_NOEXCEPT
rgb text_color) FMT_NOEXCEPT
: set_foreground_color(), set_background_color(), ems() { : set_foreground_color(), set_background_color(), ems() {
if (is_foreground) { if (is_foreground) {
foreground_color = text_color; foreground_color = text_color;
set_foreground_color = true; set_foreground_color = true;
} } else {
else {
background_color = text_color; background_color = text_color;
set_background_color = true; set_background_color = true;
} }
@ -329,15 +324,15 @@ private:
emphasis ems; emphasis ems;
}; };
FMT_CONSTEXPR_DECL text_style fg(rgb foreground) FMT_NOEXCEPT { FMT_CONSTEXPR text_style fg(rgb foreground) FMT_NOEXCEPT {
return text_style(/*is_foreground=*/true, foreground); return text_style(/*is_foreground=*/true, foreground);
} }
FMT_CONSTEXPR_DECL text_style bg(rgb background) FMT_NOEXCEPT { FMT_CONSTEXPR text_style bg(rgb background) FMT_NOEXCEPT {
return text_style(/*is_foreground=*/false, background); return text_style(/*is_foreground=*/false, background);
} }
FMT_CONSTEXPR_DECL text_style operator|(emphasis lhs, emphasis rhs) FMT_NOEXCEPT { FMT_CONSTEXPR text_style operator|(emphasis lhs, emphasis rhs) FMT_NOEXCEPT {
return text_style(lhs) | rhs; return text_style(lhs) | rhs;
} }
@ -382,7 +377,8 @@ struct ansi_color_escape {
private: private:
Char buffer[7 + 3 * 4 + 1]; Char buffer[7 + 3 * 4 + 1];
static FMT_CONSTEXPR void to_esc(uint8_t c, Char *out, char delimiter) FMT_NOEXCEPT { static FMT_CONSTEXPR void to_esc(uint8_t c, Char *out,
char delimiter) FMT_NOEXCEPT {
out[0] = static_cast<Char>('0' + c / 100); out[0] = static_cast<Char>('0' + c / 100);
out[1] = static_cast<Char>('0' + c / 10 % 10); out[1] = static_cast<Char>('0' + c / 10 % 10);
out[2] = static_cast<Char>('0' + c % 10); out[2] = static_cast<Char>('0' + c % 10);
@ -432,15 +428,19 @@ inline void reset_color<wchar_t>(FILE *stream) FMT_NOEXCEPT {
template < template <
typename S, typename Char = typename internal::char_t<S>::type> typename S, typename Char = typename internal::char_t<S>::type>
void vprint(const text_style &tf, const S &format, void vprint(const text_style &tf, const S &format,
basic_format_args<typename buffer_context<Char>::type> args) { basic_format_args<typename buffer_context<Char>::type> args) {
if (tf.has_emphasis()) if (tf.has_emphasis()) {
internal::fputs<Char>(internal::make_emphasis<Char>(tf.get_emphasis()), stdout);
if (tf.has_foreground())
internal::fputs<Char>( internal::fputs<Char>(
internal::make_foreground_color<Char>(tf.get_foreground()), stdout); internal::make_emphasis<Char>(tf.get_emphasis()), stdout);
if (tf.has_background()) }
if (tf.has_foreground()) {
internal::fputs<Char>(
internal::make_foreground_color<Char>(tf.get_foreground()), stdout);
}
if (tf.has_background()) {
internal::fputs<Char>( internal::fputs<Char>(
internal::make_background_color<Char>(tf.get_background()), stdout); internal::make_background_color<Char>(tf.get_background()), stdout);
}
vprint(format, args); vprint(format, args);
internal::reset_color<Char>(stdout); internal::reset_color<Char>(stdout);
} }