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Make printf argument formatters public (#335, #360)

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This commit is contained in:
Victor Zverovich
2016-07-21 06:59:28 -07:00
parent 631ffef438
commit 6ee9f2ed09
4 changed files with 56 additions and 19 deletions
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15
test/custom-formatter-test.cc
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@@ -10,7 +10,7 @@
#include "fmt/printf.h"
#include "gtest-extra.h"
using fmt::internal::BasicPrintfArgFormatter;
using fmt::BasicPrintfArgFormatter;
// A custom argument formatter that doesn't print `-` for floating-point values
// rounded to 0.
@@ -30,15 +30,18 @@ class CustomArgFormatter
// A custom argument formatter that doesn't print `-` for floating-point values
// rounded to 0.
class CustomPAF : public BasicPrintfArgFormatter<CustomPAF, char> {
class CustomPrintfArgFormatter :
public BasicPrintfArgFormatter<CustomPrintfArgFormatter, char> {
public:
CustomPAF(fmt::BasicWriter<char> &writer, fmt::FormatSpec &spec)
: BasicPrintfArgFormatter<CustomPAF, char>(writer, spec) {}
typedef BasicPrintfArgFormatter<CustomPrintfArgFormatter, char> Base;
CustomPrintfArgFormatter(fmt::BasicWriter<char> &w, fmt::FormatSpec &spec)
: Base(w, spec) {}
void visit_double(double value) {
if (round(value * pow(10, spec().precision())) == 0)
value = 0;
BasicPrintfArgFormatter<CustomPAF, char>::visit_double(value);
Base::visit_double(value);
}
};
@@ -53,7 +56,7 @@ FMT_VARIADIC(std::string, custom_format, const char *)
std::string custom_sprintf(const char* format_str, fmt::ArgList args){
fmt::MemoryWriter writer;
fmt::PrintfFormatter<char, CustomPAF> formatter(args, writer);
fmt::PrintfFormatter<char, CustomPrintfArgFormatter> formatter(args, writer);
formatter.format(format_str);
return writer.str();
}