leavelet/fmt
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Make BasicArgFormatter public and add ArgFormatter

Browse Source 
This allows providing custom argument formatters without relying on
internal APIs (#235).
This commit is contained in:
vitaut
2016-04-19 08:56:31 -07:00
parent 4d8cee2d48
commit b69e6dcead
2 changed files with 50 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
test/format-test.cc
View File

@@ -1671,7 +1671,7 @@ TEST(FormatTest, EmptyCustomOutput) {
}
class MockArgFormatter :
public fmt::internal::ArgFormatterBase<MockArgFormatter, char> {
public fmt::internal::ArgFormatterBase<MockArgFormatter, char> {
public:
typedef fmt::internal::ArgFormatterBase<MockArgFormatter, char> Base;
@@ -1694,3 +1694,19 @@ FMT_VARIADIC(void, custom_format, const char *)
TEST(FormatTest, CustomArgFormatter) {
custom_format("{}", 42);
}
struct TestArgFormatter : fmt::BasicArgFormatter<TestArgFormatter, char> {
TestArgFormatter(fmt::BasicFormatter<char, TestArgFormatter> &f,
fmt::FormatSpec &s, const char *fmt)
: fmt::BasicArgFormatter<TestArgFormatter, char>(f, s, fmt) {}
};
TEST(ArgFormatterTest, CustomArg) {
fmt::MemoryWriter writer;
typedef fmt::BasicFormatter<char, TestArgFormatter> Formatter;
Formatter formatter(fmt::ArgList(), writer);
fmt::FormatSpec spec;
TestArgFormatter af(formatter, spec, "}");
af.visit(fmt::internal::MakeArg<Formatter>(TestEnum()));
EXPECT_EQ("TestEnum", writer.str());
}