#endif // # if defined(JSON_HAS_INT64)
-std::string valueToString(double value, bool useSpecialFloats, int precision) {
+std::string valueToString(double value, bool useSpecialFloats, unsigned int precision) {
// Allocate a buffer that is more than large enough to store the 16 digits of
// precision requested below.
char buffer[32];
std::string const& colonSymbol,
std::string const& nullSymbol,
std::string const& endingLineFeedSymbol,
- bool useSpecialFloats);
+ bool useSpecialFloats,
+ unsigned int precision);
int write(Value const& root, std::ostream* sout) override;
private:
void writeValue(Value const& value);
bool addChildValues_ : 1;
bool indented_ : 1;
bool useSpecialFloats_ : 1;
+ unsigned int precision_;
};
BuiltStyledStreamWriter::BuiltStyledStreamWriter(
std::string const& indentation,
std::string const& colonSymbol,
std::string const& nullSymbol,
std::string const& endingLineFeedSymbol,
- bool useSpecialFloats)
+ bool useSpecialFloats,
+ unsigned int precision)
: rightMargin_(74)
, indentation_(indentation)
, cs_(cs)
, addChildValues_(false)
, indented_(false)
, useSpecialFloats_(useSpecialFloats)
+ , precision_(precision)
{
}
int BuiltStyledStreamWriter::write(Value const& root, std::ostream* sout)
pushValue(valueToString(value.asLargestUInt()));
break;
case realValue:
- pushValue(valueToString(value.asDouble(), useSpecialFloats_, 17));
+ pushValue(valueToString(value.asDouble(), useSpecialFloats_, precision_));
break;
case stringValue:
{
bool eyc = settings_["enableYAMLCompatibility"].asBool();
bool dnp = settings_["dropNullPlaceholders"].asBool();
bool usf = settings_["useSpecialFloats"].asBool();
+ unsigned int pre = settings_["precision"].asUInt();
CommentStyle::Enum cs = CommentStyle::All;
if (cs_str == "All") {
cs = CommentStyle::All;
if (dnp) {
nullSymbol = "";
}
+ if (pre > 17) pre = 17;
std::string endingLineFeedSymbol = "";
return new BuiltStyledStreamWriter(
indentation, cs,
- colonSymbol, nullSymbol, endingLineFeedSymbol, usf);
+ colonSymbol, nullSymbol, endingLineFeedSymbol, usf, pre);
}
static void getValidWriterKeys(std::set<std::string>* valid_keys)
{
valid_keys->insert("enableYAMLCompatibility");
valid_keys->insert("dropNullPlaceholders");
valid_keys->insert("useSpecialFloats");
+ valid_keys->insert("precision");
}
bool StreamWriterBuilder::validate(Json::Value* invalid) const
{
(*settings)["enableYAMLCompatibility"] = false;
(*settings)["dropNullPlaceholders"] = false;
(*settings)["useSpecialFloats"] = false;
+ (*settings)["precision"] = 17;
//! [StreamWriterBuilderDefaults]
}