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Added float/double precision setters

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This commit is contained in:
Jesse Beder
2012-01-11 14:34:04 -06:00
parent 21ed2b5817
commit 5024caa69c
6 changed files with 118 additions and 2 deletions
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include/yaml-cpp/emitter.h
+24
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@@ -43,10 +43,13 @@ namespace YAML
bool SetIndent(unsigned n);
bool SetPreCommentIndent(unsigned n);
bool SetPostCommentIndent(unsigned n);
bool SetFloatPrecision(unsigned n);
bool SetDoublePrecision(unsigned n);
// local setters
Emitter& SetLocalValue(EMITTER_MANIP value);
Emitter& SetLocalIndent(const _Indent& indent);
Emitter& SetLocalPrecision(const _Precision& precision);
// overloads of write
Emitter& Write(const std::string& str);
@@ -70,6 +73,10 @@ namespace YAML
void PreWriteStreamable(std::stringstream& str);
void PostWriteIntegralType(const std::stringstream& str);
void PostWriteStreamable(const std::stringstream& str);
template<typename T> void SetStreamablePrecision(std::stringstream&) {}
unsigned GetFloatPrecision() const;
unsigned GetDoublePrecision() const;
private:
void PreAtomicWrite();
@@ -118,11 +125,24 @@ namespace YAML
std::stringstream str;
PreWriteStreamable(str);
SetStreamablePrecision<T>(str);
str << value;
PostWriteStreamable(str);
return *this;
}
template<>
inline void Emitter::SetStreamablePrecision<float>(std::stringstream& str)
{
str.precision(GetFloatPrecision());
}
template<>
inline void Emitter::SetStreamablePrecision<double>(std::stringstream& str)
{
str.precision(GetDoublePrecision());
}
// overloads of insertion
inline Emitter& operator << (Emitter& emitter, const std::string& v) { return emitter.Write(v); }
inline Emitter& operator << (Emitter& emitter, bool v) { return emitter.Write(v); }
@@ -156,6 +176,10 @@ namespace YAML
inline Emitter& operator << (Emitter& emitter, _Indent indent) {
return emitter.SetLocalIndent(indent);
}
inline Emitter& operator << (Emitter& emitter, _Precision precision) {
return emitter.SetLocalPrecision(precision);
}
}
#endif // EMITTER_H_62B23520_7C8E_11DE_8A39_0800200C9A66