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Color formatting fixed for wide strings (fixes issue #1594) (#1596)

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* Use std::char_traits::length for ansi_color_escape::begin

-Fixes issue #1594 https://github.com/fmtlib/fmt/issues/1594
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Spirrwell 2020-03-17 09:24:42 -04:00 committed by GitHub
parent 026f99178e
commit 2559983e7a
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2 changed files with 3 additions and 1 deletions
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2
include/fmt/color.h
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@ -412,7 +412,7 @@ template <typename Char> struct ansi_color_escape {
FMT_CONSTEXPR const Char* begin() const FMT_NOEXCEPT { return buffer; }
FMT_CONSTEXPR const Char* end() const FMT_NOEXCEPT {
return buffer + std::strlen(buffer);
return buffer + std::char_traits<Char>::length(buffer);
}
private:

2
test/color-test.cc
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@ -50,6 +50,8 @@ TEST(ColorsTest, ColorsPrint) {
TEST(ColorsTest, Format) {
EXPECT_EQ(fmt::format(fg(fmt::rgb(255, 20, 30)), "rgb(255,20,30)"),
"\x1b[38;2;255;020;030mrgb(255,20,30)\x1b[0m");
EXPECT_EQ(fmt::format(fg(fmt::rgb(255, 20, 30)), L"rgb(255,20,30) wide"),
L"\x1b[38;2;255;020;030mrgb(255,20,30) wide\x1b[0m");
EXPECT_EQ(fmt::format(fg(fmt::color::blue), "blue"),
"\x1b[38;2;000;000;255mblue\x1b[0m");
EXPECT_EQ(