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Added explicit doc start/end tokens for the emitter, and set it so that if you try to write after you've already written a full doc, it writes a doc start and continues

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jbeder
2011-03-03 09:26:12 +00:00
parent 77d20873dc
commit 5b1ca74376
4 changed files with 82 additions and 2 deletions
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51
src/emitter.cpp
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@@ -102,6 +102,12 @@ namespace YAML
return *this;
switch(value) {
case BeginDoc:
EmitBeginDoc();
break;
case EndDoc:
EmitEndDoc();
break;
case BeginSeq:
EmitBeginSeq();
break;
@@ -157,8 +163,8 @@ namespace YAML
case ES_WRITING_DOC:
return true;
case ES_DONE_WITH_DOC:
m_pState->SetError("Write called on finished document");
return true;
EmitBeginDoc();
return false;
// block sequence
case ES_WAITING_FOR_BLOCK_SEQ_ENTRY:
@@ -320,6 +326,47 @@ namespace YAML
m_pState->UnsetSeparation();
}
// EmitBeginDoc
void Emitter::EmitBeginDoc()
{
if(!good())
return;
EMITTER_STATE curState = m_pState->GetCurState();
if(curState != ES_WAITING_FOR_DOC && curState != ES_WRITING_DOC && curState != ES_DONE_WITH_DOC) {
m_pState->SetError("Unexpected begin document");
return;
}
if(curState == ES_WRITING_DOC || curState == ES_DONE_WITH_DOC)
m_stream << '\n';
m_stream << "---\n";
m_pState->UnsetSeparation();
m_pState->SwitchState(ES_WAITING_FOR_DOC);
}
// EmitEndDoc
void Emitter::EmitEndDoc()
{
if(!good())
return;
EMITTER_STATE curState = m_pState->GetCurState();
if(curState != ES_WAITING_FOR_DOC && curState != ES_WRITING_DOC && curState != ES_DONE_WITH_DOC) {
m_pState->SetError("Unexpected end document");
return;
}
if(curState == ES_WRITING_DOC || curState == ES_DONE_WITH_DOC)
m_stream << '\n';
m_stream << "...\n";
m_pState->UnsetSeparation();
m_pState->SwitchState(ES_WAITING_FOR_DOC);
}
// EmitBeginSeq
void Emitter::EmitBeginSeq()
{