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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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32
src/emitter.cpp
View File

@@ -93,6 +93,16 @@ namespace YAML
{
return m_pState->SetPostCommentIndent(n, GLOBAL);
}
bool Emitter::SetFloatPrecision(unsigned n)
{
return m_pState->SetFloatPrecision(n, GLOBAL);
}
bool Emitter::SetDoublePrecision(unsigned n)
{
return m_pState->SetDoublePrecision(n, GLOBAL);
}
// SetLocalValue
// . Either start/end a group, or set a modifier locally
@@ -145,6 +155,15 @@ namespace YAML
return *this;
}
Emitter& Emitter::SetLocalPrecision(const _Precision& precision)
{
if(precision.floatPrecision >= 0)
m_pState->SetFloatPrecision(precision.floatPrecision, LOCAL);
if(precision.doublePrecision >= 0)
m_pState->SetDoublePrecision(precision.doublePrecision, LOCAL);
return *this;
}
// GotoNextPreAtomicState
// . Runs the state machine, emitting if necessary, and returns 'true' if done (i.e., ready to emit an atom)
bool Emitter::GotoNextPreAtomicState()
@@ -661,13 +680,22 @@ namespace YAML
}
}
void Emitter::PreWriteStreamable(std::stringstream& str)
void Emitter::PreWriteStreamable(std::stringstream&)
{
PreAtomicWrite();
EmitSeparationIfNecessary();
str.precision(15);
}
unsigned Emitter::GetFloatPrecision() const
{
return m_pState->GetFloatPrecision();
}
unsigned Emitter::GetDoublePrecision() const
{
return m_pState->GetDoublePrecision();
}
void Emitter::PostWriteIntegralType(const std::stringstream& str)
{
m_stream << str.str();

19
src/emitterstate.cpp
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@@ -1,5 +1,6 @@
#include "emitterstate.h"
#include "yaml-cpp/exceptions.h"
#include <limits>
namespace YAML
{
@@ -21,6 +22,8 @@ namespace YAML
m_seqFmt.set(Block);
m_mapFmt.set(Block);
m_mapKeyFmt.set(Auto);
m_floatPrecision.set(6);
m_doublePrecision.set(15);
}
EmitterState::~EmitterState()
@@ -261,5 +264,21 @@ namespace YAML
return false;
}
}
bool EmitterState::SetFloatPrecision(unsigned value, FMT_SCOPE scope)
{
if(value > std::numeric_limits<float>::digits10)
return false;
_Set(m_floatPrecision, value, scope);
return true;
}
bool EmitterState::SetDoublePrecision(unsigned value, FMT_SCOPE scope)
{
if(value > std::numeric_limits<double>::digits10)
return false;
_Set(m_doublePrecision, value, scope);
return true;
}
}

7
src/emitterstate.h
View File

@@ -145,6 +145,11 @@ namespace YAML
bool SetMapKeyFormat(EMITTER_MANIP value, FMT_SCOPE scope);
EMITTER_MANIP GetMapKeyFormat() const { return m_mapKeyFmt.get(); }
bool SetFloatPrecision(unsigned value, FMT_SCOPE scope);
unsigned GetFloatPrecision() const { return m_floatPrecision.get(); }
bool SetDoublePrecision(unsigned value, FMT_SCOPE scope);
unsigned GetDoublePrecision() const { return m_doublePrecision.get(); }
private:
template <typename T>
@@ -169,6 +174,8 @@ namespace YAML
Setting<EMITTER_MANIP> m_seqFmt;
Setting<EMITTER_MANIP> m_mapFmt;
Setting<EMITTER_MANIP> m_mapKeyFmt;
Setting<unsigned> m_floatPrecision;
Setting<unsigned> m_doublePrecision;
SettingChanges m_modifiedSettings;
SettingChanges m_globalModifiedSettings;