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Escape Unicode

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This commit is contained in:
Victor Zverovich 2021-08-22 07:38:22 -07:00
parent 6397095ca4
commit 371d8e2ee0
2 changed files with 13 additions and 1 deletions
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8
include/fmt/ranges.h
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@ -304,9 +304,15 @@ auto write_range_entry(OutputIt out, basic_string_view<Char> str) -> OutputIt {
*out++ = '\\'; *out++ = '\\';
break; break;
default: default:
if (is_utf8() && escape.cp > 0xffff) {
out = format_to(out, "\\U{:08x}", escape.cp);
continue;
}
for (Char escape_char : basic_string_view<Char>( for (Char escape_char : basic_string_view<Char>(
escape.begin, to_unsigned(escape.end - escape.begin))) { escape.begin, to_unsigned(escape.end - escape.begin))) {
out = format_to(out, "\\x{:02x}", escape_char); out = format_to(
out, "\\x{:02x}",
static_cast<typename std::make_unsigned<Char>::type>(escape_char));
} }
continue; continue;
} }

6
test/ranges-test.cc
View File

@ -268,4 +268,10 @@ TEST(ranges_test, escape_string) {
EXPECT_EQ(fmt::format("{}", vec{"\n\r\t\"\\"}), "[\"\\n\\r\\t\\\"\\\\\"]"); EXPECT_EQ(fmt::format("{}", vec{"\n\r\t\"\\"}), "[\"\\n\\r\\t\\\"\\\\\"]");
EXPECT_EQ(fmt::format("{}", vec{"\x07"}), "[\"\\x07\"]"); EXPECT_EQ(fmt::format("{}", vec{"\x07"}), "[\"\\x07\"]");
EXPECT_EQ(fmt::format("{}", vec{"\x7f"}), "[\"\\x7f\"]"); EXPECT_EQ(fmt::format("{}", vec{"\x7f"}), "[\"\\x7f\"]");
// Unassigned Unicode code points.
if (fmt::detail::is_utf8()) {
EXPECT_EQ(fmt::format("{}", vec{"\xf0\xaa\x9b\x9e"}), "[\"\\U0002a6de\"]");
EXPECT_EQ(fmt::format("{}", vec{"\xf4\x8f\xbf\xbf"}), "[\"\\U0010ffff\"]");
}
} }