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Add more emphases

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This commit is contained in:
data-man 2021-05-21 22:58:35 +05:00
parent 18af1dc460
commit 353be8519f
2 changed files with 29 additions and 11 deletions
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33
include/fmt/color.h
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@ -185,9 +185,17 @@ enum class terminal_color : uint8_t {
enum class emphasis : uint8_t { enum class emphasis : uint8_t {
bold = 1, bold = 1,
italic = 1 << 1, faint = 1 << 1,
underline = 1 << 2, dim = faint,
strikethrough = 1 << 3 italic = 1 << 2,
underline = 1 << 3,
blink = 1 << 4,
slow_blink = blink,
reverse = 1 << 5,
invert = reverse,
conceal = 1 << 6,
hide = conceal,
strikethrough = 1 << 7,
}; };
// rgb is a struct for red, green and blue colors. // rgb is a struct for red, green and blue colors.
@ -399,7 +407,7 @@ template <typename Char> struct ansi_color_escape {
return; return;
} }
for (int i = 0; i < 7; i++) { for (int i = 0; i < 8; i++) {
buffer[i] = static_cast<Char>(esc[i]); buffer[i] = static_cast<Char>(esc[i]);
} }
rgb color(text_color.value.rgb_color); rgb color(text_color.value.rgb_color);
@ -409,16 +417,19 @@ template <typename Char> struct ansi_color_escape {
buffer[19] = static_cast<Char>(0); buffer[19] = static_cast<Char>(0);
} }
FMT_CONSTEXPR ansi_color_escape(emphasis em) FMT_NOEXCEPT { FMT_CONSTEXPR ansi_color_escape(emphasis em) FMT_NOEXCEPT {
uint8_t em_codes[4] = {}; uint8_t em_codes[8] = {};
uint8_t em_bits = static_cast<uint8_t>(em); uint8_t em_bits = static_cast<uint8_t>(em);
if (em_bits & static_cast<uint8_t>(emphasis::bold)) em_codes[0] = 1; if (em_bits & static_cast<uint8_t>(emphasis::bold)) em_codes[0] = 1;
if (em_bits & static_cast<uint8_t>(emphasis::italic)) em_codes[1] = 3; if (em_bits & static_cast<uint8_t>(emphasis::faint)) em_codes[1] = 2;
if (em_bits & static_cast<uint8_t>(emphasis::underline)) em_codes[2] = 4; if (em_bits & static_cast<uint8_t>(emphasis::italic)) em_codes[2] = 3;
if (em_bits & static_cast<uint8_t>(emphasis::strikethrough)) if (em_bits & static_cast<uint8_t>(emphasis::underline)) em_codes[3] = 4;
em_codes[3] = 9; if (em_bits & static_cast<uint8_t>(emphasis::blink)) em_codes[4] = 5;
if (em_bits & static_cast<uint8_t>(emphasis::reverse)) em_codes[5] = 7;
if (em_bits & static_cast<uint8_t>(emphasis::conceal)) em_codes[6] = 8;
if (em_bits & static_cast<uint8_t>(emphasis::strikethrough)) em_codes[7] = 9;
size_t index = 0; size_t index = 0;
for (int i = 0; i < 4; ++i) { for (int i = 0; i < 7; ++i) {
if (!em_codes[i]) continue; if (!em_codes[i]) continue;
buffer[index++] = static_cast<Char>('\x1b'); buffer[index++] = static_cast<Char>('\x1b');
buffer[index++] = static_cast<Char>('['); buffer[index++] = static_cast<Char>('[');
@ -435,7 +446,7 @@ template <typename Char> struct ansi_color_escape {
} }
private: private:
Char buffer[7u + 3u * 4u + 1u]; Char buffer[7u + 3u * 8u + 1u];
static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out, static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out,
char delimiter) FMT_NOEXCEPT { char delimiter) FMT_NOEXCEPT {

7
test/color-test.cc
View File

@ -22,10 +22,17 @@ TEST(color_test, format) {
fmt::format(fg(fmt::color::blue) | bg(fmt::color::red), "two color"), fmt::format(fg(fmt::color::blue) | bg(fmt::color::red), "two color"),
"\x1b[38;2;000;000;255m\x1b[48;2;255;000;000mtwo color\x1b[0m"); "\x1b[38;2;000;000;255m\x1b[48;2;255;000;000mtwo color\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::bold, "bold"), "\x1b[1mbold\x1b[0m"); EXPECT_EQ(fmt::format(fmt::emphasis::bold, "bold"), "\x1b[1mbold\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::faint, "faint"), "\x1b[2mfaint\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::italic, "italic"), EXPECT_EQ(fmt::format(fmt::emphasis::italic, "italic"),
"\x1b[3mitalic\x1b[0m"); "\x1b[3mitalic\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::underline, "underline"), EXPECT_EQ(fmt::format(fmt::emphasis::underline, "underline"),
"\x1b[4munderline\x1b[0m"); "\x1b[4munderline\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::blink, "blink"),
"\x1b[5mblink\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::reverse, "reverse"),
"\x1b[7mreverse\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::conceal, "conceal"),
"\x1b[8mconceal\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::strikethrough, "strikethrough"), EXPECT_EQ(fmt::format(fmt::emphasis::strikethrough, "strikethrough"),
"\x1b[9mstrikethrough\x1b[0m"); "\x1b[9mstrikethrough\x1b[0m");
EXPECT_EQ( EXPECT_EQ(