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Support kinds of emitter format-setting for YAML::Null. (#906)

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* Support kinds of emitter format-setting for YAML::Null.

* update the code and test cases

* add the comment //fallthrough
This commit is contained in:
Chen
2020-06-29 12:31:53 +08:00
committed by GitHub
parent 27d8a0e302
commit 08aa252611
7 changed files with 86 additions and 1 deletions
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21
src/emitter.cpp
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@@ -49,6 +49,10 @@ bool Emitter::SetBoolFormat(EMITTER_MANIP value) {
return ok;
}
bool Emitter::SetNullFormat(EMITTER_MANIP value) {
return m_pState->SetNullFormat(value, FmtScope::Global);
}
bool Emitter::SetIntBase(EMITTER_MANIP value) {
return m_pState->SetIntFormat(value, FmtScope::Global);
}
@@ -770,6 +774,21 @@ const char* Emitter::ComputeFullBoolName(bool b) const {
// these answers
}
const char* Emitter::ComputeNullName() const {
switch (m_pState->GetNullFormat()) {
case LowerNull:
return "null";
case UpperNull:
return "NULL";
case CamelNull:
return "Null";
case TildeNull:
// fallthrough
default:
return "~";
}
}
Emitter& Emitter::Write(bool b) {
if (!good())
return *this;
@@ -893,7 +912,7 @@ Emitter& Emitter::Write(const _Null& /*null*/) {
PrepareNode(EmitterNodeType::Scalar);
m_stream << "~";
m_stream << ComputeNullName();
StartedScalar();