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Add setting precision for json writers and also add decimal places precision type. (#752)

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* Added setting precision for writers.
* Added special case for precise precision and global precision.
* Added good setting of type of precision and also added this type to BuiltStreamWriter and for its settings.
* Added some tests.
This commit is contained in:
Mike R
2018-03-13 23:35:31 +03:00
committed by Christopher Dunn
parent af2598cdd3
commit a07fc53287
6 changed files with 85 additions and 8 deletions
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7
include/json/writer.h
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@@ -106,6 +106,10 @@ public:
- If true, outputs non-finite floating point values in the following way:
NaN values as "NaN", positive infinity as "Infinity", and negative infinity
as "-Infinity".
- "precision": int
- Number of precision digits for formatting of real values.
- "precisionType": "significant"(default) or "decimal"
- Type of precision for formatting of real values.
You can examine 'settings_` yourself
to see the defaults. You can also write and read them just like any
@@ -339,7 +343,8 @@ JSONCPP_STRING JSON_API valueToString(UInt value);
#endif // if defined(JSON_HAS_INT64)
JSONCPP_STRING JSON_API valueToString(LargestInt value);
JSONCPP_STRING JSON_API valueToString(LargestUInt value);
JSONCPP_STRING JSON_API valueToString(double value);
JSONCPP_STRING JSON_API valueToString(double value, unsigned int precision = Value::defaultRealPrecision,
PrecisionType precisionType = PrecisionType::significantDigits);
JSONCPP_STRING JSON_API valueToString(bool value);
JSONCPP_STRING JSON_API valueToQuotedString(const char* value);