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Replace formatter with context

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This commit is contained in:
Victor Zverovich
2016-11-06 16:11:24 -08:00
parent 2bba420337
commit 9998f66f8c
10 changed files with 223 additions and 242 deletions
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20
test/custom-formatter-test.cc
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@@ -17,10 +17,9 @@ using fmt::BasicPrintfArgFormatter;
class CustomArgFormatter
: public fmt::BasicArgFormatter<CustomArgFormatter, char> {
public:
CustomArgFormatter(fmt::Writer &w,
fmt::basic_formatter<char, CustomArgFormatter> &f,
fmt::FormatSpec &s, const char *fmt)
: fmt::BasicArgFormatter<CustomArgFormatter, char>(w, f, s, fmt) {}
CustomArgFormatter(fmt::Writer &w, fmt::basic_format_context<char> &ctx,
fmt::FormatSpec &s)
: fmt::BasicArgFormatter<CustomArgFormatter, char>(w, ctx, s) {}
void visit_double(double value) {
if (round(value * pow(10, spec().precision())) == 0)
@@ -46,10 +45,7 @@ class CustomPrintfArgFormatter :
}
};
typedef fmt::basic_formatter<char, CustomArgFormatter> CustomFormatter;
std::string custom_vformat(fmt::CStringRef format_str,
fmt::basic_format_args<CustomFormatter> args) {
std::string custom_vformat(fmt::CStringRef format_str, fmt::format_args args) {
fmt::MemoryWriter writer;
// Pass custom argument formatter as a template arg to vformat.
fmt::vformat<CustomArgFormatter>(writer, format_str, args);
@@ -58,19 +54,19 @@ std::string custom_vformat(fmt::CStringRef format_str,
template <typename... Args>
std::string custom_format(const char *format_str, const Args & ... args) {
auto va = fmt::make_format_args<CustomFormatter>(args...);
auto va = fmt::make_format_args<fmt::format_context>(args...);
return custom_vformat(format_str, va);
}
typedef fmt::PrintfFormatter<char, CustomPrintfArgFormatter>
typedef fmt::printf_context<char, CustomPrintfArgFormatter>
CustomPrintfFormatter;
std::string custom_vsprintf(
const char* format_str,
fmt::basic_format_args<CustomPrintfFormatter> args) {
fmt::MemoryWriter writer;
CustomPrintfFormatter formatter(args);
formatter.format(writer, format_str);
CustomPrintfFormatter formatter(format_str, args);
formatter.format(writer);
return writer.str();
}