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feat(JSON): Add precision control parameters to toStyledString

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Add support for controlling the precision of JSON string output through parameters, including two modes: decimal places and significant figures.
This commit is contained in:
Yacker 2025-08-05 18:34:44 +08:00
parent ca98c98457
commit 88000109da
2 changed files with 10 additions and 5 deletions
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3
include/json/value.h
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@ -650,7 +650,8 @@ public:
/// Include delimiters and embedded newlines.
String getComment(CommentPlacement placement) const;
String toStyledString() const;
String toStyledString(const StreamWriterBuilder& builder = StreamWriterBuilder()) const;
String toStyledString(int precision, PrecisionType precisionType = PrecisionType::decimalPlaces) const;
const_iterator begin() const;
const_iterator end() const;

12
src/lib_json/json_value.cpp
View File

@ -1559,16 +1559,20 @@ ptrdiff_t Value::getOffsetStart() const { return start_; }
ptrdiff_t Value::getOffsetLimit() const { return limit_; }
String Value::toStyledString() const {
StreamWriterBuilder builder;
String Value::toStyledString(const StreamWriterBuilder& builder) const {
String out = this->hasComment(commentBefore) ? "\n" : "";
out += Json::writeString(builder, *this);
out += '\n';
return out;
}
String Value::toStyledString(int precision, PrecisionType precisionType) const {
StreamWriterBuilder builder;
precisionType == PrecisionType::significantDigits?builder.settings_["precisionType"] = "significant":builder.settings_["precisionType"] = "decimal";
builder.settings_["precision"] = std::min(precision, 17);
return toStyledString(builder);
}
Value::const_iterator Value::begin() const {
switch (type()) {
case arrayValue: