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Removed old emitter state machine

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This commit is contained in:
Jesse Beder
2012-05-21 16:31:07 -05:00
parent 41c2ddc03e
commit 5a2183f55b
4 changed files with 13 additions and 638 deletions
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19
include/yaml-cpp/emitter.h
View File

@@ -70,21 +70,11 @@ namespace YAML
Emitter& WriteStreamable(T value); Emitter& WriteStreamable(T value);
private: private:
void PreWriteIntegralType(std::stringstream& str);
void PreWriteStreamable(std::stringstream& str);
void PostWriteIntegralType(const std::stringstream& str);
void PostWriteStreamable(const std::stringstream& str);
template<typename T> void SetStreamablePrecision(std::stringstream&) {} template<typename T> void SetStreamablePrecision(std::stringstream&) {}
unsigned GetFloatPrecision() const; unsigned GetFloatPrecision() const;
unsigned GetDoublePrecision() const; unsigned GetDoublePrecision() const;
private: private:
void PreAtomicWrite();
bool GotoNextPreAtomicState();
void PostAtomicWrite();
void EmitSeparationIfNecessary();
void EmitBeginDoc(); void EmitBeginDoc();
void EmitEndDoc(); void EmitEndDoc();
void EmitBeginSeq(); void EmitBeginSeq();
@@ -111,10 +101,6 @@ namespace YAML
if(!good()) if(!good())
return *this; return *this;
std::stringstream str;
PreWriteIntegralType(str);
str << value;
PostWriteIntegralType(str);
return *this; return *this;
} }
@@ -124,11 +110,6 @@ namespace YAML
if(!good()) if(!good())
return *this; return *this;
std::stringstream str;
PreWriteStreamable(str);
SetStreamablePrecision<T>(str);
str << value;
PostWriteStreamable(str);
return *this; return *this;
} }

539
src/emitter.cpp
View File

@@ -164,207 +164,11 @@ namespace YAML
return *this; 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()
{
if(!good())
return true;
unsigned curIndent = m_pState->GetCurIndent();
EMITTER_STATE curState = m_pState->GetCurState();
switch(curState) {
// document-level
case ES_WAITING_FOR_DOC:
m_pState->SwitchState(ES_WRITING_DOC);
return true;
case ES_WRITING_DOC:
return true;
case ES_DONE_WITH_DOC:
EmitBeginDoc();
return false;
// block sequence
case ES_WAITING_FOR_BLOCK_SEQ_ENTRY:
m_stream << IndentTo(curIndent) << "-";
m_pState->RequireSoftSeparation();
m_pState->SwitchState(ES_WRITING_BLOCK_SEQ_ENTRY);
return true;
case ES_WRITING_BLOCK_SEQ_ENTRY:
return true;
case ES_DONE_WITH_BLOCK_SEQ_ENTRY:
m_stream << '\n';
m_pState->SwitchState(ES_WAITING_FOR_BLOCK_SEQ_ENTRY);
return false;
// flow sequence
case ES_WAITING_FOR_FLOW_SEQ_ENTRY:
m_pState->SwitchState(ES_WRITING_FLOW_SEQ_ENTRY);
return true;
case ES_WRITING_FLOW_SEQ_ENTRY:
return true;
case ES_DONE_WITH_FLOW_SEQ_ENTRY:
EmitSeparationIfNecessary();
m_stream << ',';
m_pState->RequireSoftSeparation();
m_pState->SwitchState(ES_WAITING_FOR_FLOW_SEQ_ENTRY);
return false;
// block map
case ES_WAITING_FOR_BLOCK_MAP_ENTRY:
m_pState->SetError(ErrorMsg::EXPECTED_KEY_TOKEN);
return true;
case ES_WAITING_FOR_BLOCK_MAP_KEY:
if(m_pState->CurrentlyInLongKey()) {
m_stream << IndentTo(curIndent) << '?';
m_pState->RequireSoftSeparation();
}
m_pState->SwitchState(ES_WRITING_BLOCK_MAP_KEY);
return true;
case ES_WRITING_BLOCK_MAP_KEY:
return true;
case ES_DONE_WITH_BLOCK_MAP_KEY:
m_pState->SetError(ErrorMsg::EXPECTED_VALUE_TOKEN);
return true;
case ES_WAITING_FOR_BLOCK_MAP_VALUE:
m_pState->SwitchState(ES_WRITING_BLOCK_MAP_VALUE);
return true;
case ES_WRITING_BLOCK_MAP_VALUE:
return true;
case ES_DONE_WITH_BLOCK_MAP_VALUE:
m_pState->SetError(ErrorMsg::EXPECTED_KEY_TOKEN);
return true;
// flow map
case ES_WAITING_FOR_FLOW_MAP_ENTRY:
m_pState->SetError(ErrorMsg::EXPECTED_KEY_TOKEN);
return true;
case ES_WAITING_FOR_FLOW_MAP_KEY:
EmitSeparationIfNecessary();
m_pState->SwitchState(ES_WRITING_FLOW_MAP_KEY);
if(m_pState->CurrentlyInLongKey()) {
m_stream << '?';
m_pState->RequireSoftSeparation();
}
return true;
case ES_WRITING_FLOW_MAP_KEY:
return true;
case ES_DONE_WITH_FLOW_MAP_KEY:
m_pState->SetError(ErrorMsg::EXPECTED_VALUE_TOKEN);
return true;
case ES_WAITING_FOR_FLOW_MAP_VALUE:
EmitSeparationIfNecessary();
m_stream << ':';
m_pState->RequireSoftSeparation();
m_pState->SwitchState(ES_WRITING_FLOW_MAP_VALUE);
return true;
case ES_WRITING_FLOW_MAP_VALUE:
return true;
case ES_DONE_WITH_FLOW_MAP_VALUE:
m_pState->SetError(ErrorMsg::EXPECTED_KEY_TOKEN);
return true;
default:
assert(false);
}
assert(false);
return true;
}
// PreAtomicWrite
// . Depending on the emitter state, write to the stream to get it
// in position to do an atomic write (e.g., scalar, sequence, or map)
void Emitter::PreAtomicWrite()
{
if(!good())
return;
while(!GotoNextPreAtomicState())
;
}
// PostAtomicWrite
// . Clean up
void Emitter::PostAtomicWrite()
{
if(!good())
return;
EMITTER_STATE curState = m_pState->GetCurState();
switch(curState) {
// document-level
case ES_WRITING_DOC:
m_pState->SwitchState(ES_DONE_WITH_DOC);
break;
// block seq
case ES_WRITING_BLOCK_SEQ_ENTRY:
m_pState->SwitchState(ES_DONE_WITH_BLOCK_SEQ_ENTRY);
break;
// flow seq
case ES_WRITING_FLOW_SEQ_ENTRY:
m_pState->SwitchState(ES_DONE_WITH_FLOW_SEQ_ENTRY);
break;
// block map
case ES_WRITING_BLOCK_MAP_KEY:
if(!m_pState->CurrentlyInLongKey()) {
m_stream << ':';
m_pState->RequireSoftSeparation();
}
m_pState->SwitchState(ES_DONE_WITH_BLOCK_MAP_KEY);
break;
case ES_WRITING_BLOCK_MAP_VALUE:
m_pState->SwitchState(ES_DONE_WITH_BLOCK_MAP_VALUE);
break;
// flow map
case ES_WRITING_FLOW_MAP_KEY:
m_pState->SwitchState(ES_DONE_WITH_FLOW_MAP_KEY);
break;
case ES_WRITING_FLOW_MAP_VALUE:
m_pState->SwitchState(ES_DONE_WITH_FLOW_MAP_VALUE);
break;
default:
assert(false);
};
m_pState->ClearModifiedSettings();
}
// EmitSeparationIfNecessary
void Emitter::EmitSeparationIfNecessary()
{
if(!good())
return;
if(m_pState->RequiresSoftSeparation())
m_stream << ' ';
else if(m_pState->RequiresHardSeparation())
m_stream << '\n';
m_pState->UnsetSeparation();
}
// EmitBeginDoc // EmitBeginDoc
void Emitter::EmitBeginDoc() void Emitter::EmitBeginDoc()
{ {
if(!good()) if(!good())
return; 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 // EmitEndDoc
@@ -372,20 +176,6 @@ namespace YAML
{ {
if(!good()) if(!good())
return; 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 // EmitBeginSeq
@@ -393,33 +183,6 @@ namespace YAML
{ {
if(!good()) if(!good())
return; return;
// must have a long key if we're emitting a sequence
m_pState->StartLongKey();
PreAtomicWrite();
EMITTER_STATE curState = m_pState->GetCurState();
EMITTER_MANIP flowType = m_pState->GetFlowType(GroupType::Seq);
if(flowType == Block) {
if(curState == ES_WRITING_BLOCK_SEQ_ENTRY ||
curState == ES_WRITING_BLOCK_MAP_KEY || curState == ES_WRITING_BLOCK_MAP_VALUE ||
curState == ES_WRITING_DOC
) {
if(m_pState->RequiresHardSeparation() || curState != ES_WRITING_DOC) {
m_stream << "\n";
m_pState->UnsetSeparation();
}
}
m_pState->PushState(ES_WAITING_FOR_BLOCK_SEQ_ENTRY);
} else if(flowType == Flow) {
EmitSeparationIfNecessary();
m_stream << "[";
m_pState->PushState(ES_WAITING_FOR_FLOW_SEQ_ENTRY);
} else
assert(false);
m_pState->BeginGroup(GroupType::Seq);
} }
// EmitEndSeq // EmitEndSeq
@@ -427,35 +190,6 @@ namespace YAML
{ {
if(!good()) if(!good())
return; return;
if(m_pState->GetCurGroupType() != GroupType::Seq)
return m_pState->SetError(ErrorMsg::UNEXPECTED_END_SEQ);
EMITTER_STATE curState = m_pState->GetCurState();
FlowType::value flowType = m_pState->GetCurGroupFlowType();
if(flowType == FlowType::Block) {
// Note: block sequences are *not* allowed to be empty, but we convert it
// to a flow sequence if it is
assert(curState == ES_DONE_WITH_BLOCK_SEQ_ENTRY || curState == ES_WAITING_FOR_BLOCK_SEQ_ENTRY);
if(curState == ES_WAITING_FOR_BLOCK_SEQ_ENTRY) {
// Note: only one of these will actually output anything for a given situation
EmitSeparationIfNecessary();
unsigned curIndent = m_pState->GetCurIndent();
m_stream << IndentTo(curIndent);
m_stream << "[]";
}
} else if(flowType == FlowType::Flow) {
// Note: flow sequences are allowed to be empty
assert(curState == ES_DONE_WITH_FLOW_SEQ_ENTRY || curState == ES_WAITING_FOR_FLOW_SEQ_ENTRY);
m_stream << "]";
} else
assert(false);
m_pState->PopState();
m_pState->EndGroup(GroupType::Seq);
PostAtomicWrite();
} }
// EmitBeginMap // EmitBeginMap
@@ -463,106 +197,19 @@ namespace YAML
{ {
if(!good()) if(!good())
return; return;
// must have a long key if we're emitting a map
m_pState->StartLongKey();
PreAtomicWrite();
EMITTER_STATE curState = m_pState->GetCurState();
EMITTER_MANIP flowType = m_pState->GetFlowType(GroupType::Map);
if(flowType == Block) {
if(curState == ES_WRITING_BLOCK_SEQ_ENTRY ||
curState == ES_WRITING_BLOCK_MAP_KEY || curState == ES_WRITING_BLOCK_MAP_VALUE ||
curState == ES_WRITING_DOC
) {
if(m_pState->RequiresHardSeparation() || (curState != ES_WRITING_DOC && curState != ES_WRITING_BLOCK_SEQ_ENTRY)) {
m_stream << "\n";
m_pState->UnsetSeparation();
}
}
m_pState->PushState(ES_WAITING_FOR_BLOCK_MAP_ENTRY);
} else if(flowType == Flow) {
EmitSeparationIfNecessary();
m_stream << "{";
m_pState->PushState(ES_WAITING_FOR_FLOW_MAP_ENTRY);
} else
assert(false);
m_pState->BeginGroup(GroupType::Map);
} }
// EmitEndMap // EmitEndMap
void Emitter::EmitEndMap() void Emitter::EmitEndMap()
{ {
if(!good()) if(!good())
return; return; }
if(m_pState->GetCurGroupType() != GroupType::Map)
return m_pState->SetError(ErrorMsg::UNEXPECTED_END_MAP);
EMITTER_STATE curState = m_pState->GetCurState();
FlowType::value flowType = m_pState->GetCurGroupFlowType();
if(flowType == FlowType::Block) {
// Note: block sequences are *not* allowed to be empty, but we convert it
// to a flow sequence if it is
assert(curState == ES_DONE_WITH_BLOCK_MAP_VALUE || curState == ES_WAITING_FOR_BLOCK_MAP_ENTRY);
if(curState == ES_WAITING_FOR_BLOCK_MAP_ENTRY) {
// Note: only one of these will actually output anything for a given situation
EmitSeparationIfNecessary();
unsigned curIndent = m_pState->GetCurIndent();
m_stream << IndentTo(curIndent);
m_stream << "{}";
}
} else if(flowType == FlowType::Flow) {
// Note: flow maps are allowed to be empty
assert(curState == ES_DONE_WITH_FLOW_MAP_VALUE || curState == ES_WAITING_FOR_FLOW_MAP_ENTRY);
EmitSeparationIfNecessary();
m_stream << "}";
} else
assert(false);
m_pState->PopState();
m_pState->EndGroup(GroupType::Map);
PostAtomicWrite();
}
// EmitKey // EmitKey
void Emitter::EmitKey() void Emitter::EmitKey()
{ {
if(!good()) if(!good())
return; return;
EMITTER_STATE curState = m_pState->GetCurState();
FlowType::value flowType = m_pState->GetCurGroupFlowType();
if(curState != ES_WAITING_FOR_BLOCK_MAP_ENTRY && curState != ES_DONE_WITH_BLOCK_MAP_VALUE
&& curState != ES_WAITING_FOR_FLOW_MAP_ENTRY && curState != ES_DONE_WITH_FLOW_MAP_VALUE)
return m_pState->SetError(ErrorMsg::UNEXPECTED_KEY_TOKEN);
if(flowType == FlowType::Block) {
if(curState == ES_DONE_WITH_BLOCK_MAP_VALUE)
m_stream << '\n';
unsigned curIndent = m_pState->GetCurIndent();
m_stream << IndentTo(curIndent);
m_pState->UnsetSeparation();
m_pState->SwitchState(ES_WAITING_FOR_BLOCK_MAP_KEY);
} else if(flowType == FlowType::Flow) {
EmitSeparationIfNecessary();
if(curState == ES_DONE_WITH_FLOW_MAP_VALUE) {
m_stream << ',';
m_pState->RequireSoftSeparation();
}
m_pState->SwitchState(ES_WAITING_FOR_FLOW_MAP_KEY);
} else
assert(false);
if(m_pState->GetMapKeyFormat() == LongKey)
m_pState->StartLongKey();
else if(m_pState->GetMapKeyFormat() == Auto)
m_pState->StartSimpleKey();
else
assert(false);
} }
// EmitValue // EmitValue
@@ -570,24 +217,6 @@ namespace YAML
{ {
if(!good()) if(!good())
return; return;
EMITTER_STATE curState = m_pState->GetCurState();
FlowType::value flowType = m_pState->GetCurGroupFlowType();
if(curState != ES_DONE_WITH_BLOCK_MAP_KEY && curState != ES_DONE_WITH_FLOW_MAP_KEY)
return m_pState->SetError(ErrorMsg::UNEXPECTED_VALUE_TOKEN);
if(flowType == FlowType::Block) {
if(m_pState->CurrentlyInLongKey()) {
m_stream << '\n';
m_stream << IndentTo(m_pState->GetCurIndent());
m_stream << ':';
m_pState->RequireSoftSeparation();
}
m_pState->SwitchState(ES_WAITING_FOR_BLOCK_MAP_VALUE);
} else if(flowType == FlowType::Flow) {
m_pState->SwitchState(ES_WAITING_FOR_FLOW_MAP_VALUE);
} else
assert(false);
} }
// EmitNewline // EmitNewline
@@ -595,21 +224,11 @@ namespace YAML
{ {
if(!good()) if(!good())
return; return;
if(CanEmitNewline()) {
m_stream << '\n';
m_pState->UnsetSeparation();
}
} }
bool Emitter::CanEmitNewline() const bool Emitter::CanEmitNewline() const
{ {
FlowType::value flowType = m_pState->GetCurGroupFlowType(); return false;
if(flowType == FlowType::Block && m_pState->CurrentlyInLongKey())
return true;
EMITTER_STATE curState = m_pState->GetCurState();
return curState != ES_DONE_WITH_BLOCK_MAP_KEY && curState != ES_WAITING_FOR_BLOCK_MAP_VALUE && curState != ES_WRITING_BLOCK_MAP_VALUE;
} }
// ******************************************************************************************* // *******************************************************************************************
@@ -619,75 +238,9 @@ namespace YAML
{ {
if(!good()) if(!good())
return *this; return *this;
// literal scalars must use long keys
if(m_pState->GetStringFormat() == Literal && m_pState->GetCurGroupFlowType() != FlowType::Flow)
m_pState->StartLongKey();
PreAtomicWrite();
EmitSeparationIfNecessary();
bool escapeNonAscii = m_pState->GetOutputCharset() == EscapeNonAscii;
EMITTER_MANIP strFmt = m_pState->GetStringFormat();
FlowType::value flowType = m_pState->GetCurGroupFlowType();
unsigned curIndent = m_pState->GetCurIndent();
switch(strFmt) {
case Auto:
Utils::WriteString(m_stream, str, flowType == FlowType::Flow, escapeNonAscii);
break;
case SingleQuoted:
if(!Utils::WriteSingleQuotedString(m_stream, str)) {
m_pState->SetError(ErrorMsg::SINGLE_QUOTED_CHAR);
return *this;
}
break;
case DoubleQuoted:
Utils::WriteDoubleQuotedString(m_stream, str, escapeNonAscii);
break;
case Literal:
if(flowType == FlowType::Flow)
Utils::WriteString(m_stream, str, flowType == FlowType::Flow, escapeNonAscii);
else
Utils::WriteLiteralString(m_stream, str, curIndent + m_pState->GetIndent());
break;
default:
assert(false);
}
PostAtomicWrite();
return *this; return *this;
} }
void Emitter::PreWriteIntegralType(std::stringstream& str)
{
PreAtomicWrite();
EmitSeparationIfNecessary();
EMITTER_MANIP intFmt = m_pState->GetIntFormat();
switch(intFmt) {
case Dec:
str << std::dec;
break;
case Hex:
str << "0x";
str << std::hex;
break;
case Oct:
str << "0";
str << std::oct;
break;
default:
assert(false);
}
}
void Emitter::PreWriteStreamable(std::stringstream&)
{
PreAtomicWrite();
EmitSeparationIfNecessary();
}
unsigned Emitter::GetFloatPrecision() const unsigned Emitter::GetFloatPrecision() const
{ {
return m_pState->GetFloatPrecision(); return m_pState->GetFloatPrecision();
@@ -698,18 +251,6 @@ namespace YAML
return m_pState->GetDoublePrecision(); return m_pState->GetDoublePrecision();
} }
void Emitter::PostWriteIntegralType(const std::stringstream& str)
{
m_stream << str.str();
PostAtomicWrite();
}
void Emitter::PostWriteStreamable(const std::stringstream& str)
{
m_stream << str.str();
PostAtomicWrite();
}
const char *Emitter::ComputeFullBoolName(bool b) const const char *Emitter::ComputeFullBoolName(bool b) const
{ {
const EMITTER_MANIP mainFmt = (m_pState->GetBoolLengthFormat() == ShortBool ? YesNoBool : m_pState->GetBoolFormat()); const EMITTER_MANIP mainFmt = (m_pState->GetBoolLengthFormat() == ShortBool ? YesNoBool : m_pState->GetBoolFormat());
@@ -749,17 +290,7 @@ namespace YAML
{ {
if(!good()) if(!good())
return *this; return *this;
PreAtomicWrite();
EmitSeparationIfNecessary();
const char *name = ComputeFullBoolName(b);
if(m_pState->GetBoolLengthFormat() == ShortBool)
m_stream << name[0];
else
m_stream << name;
PostAtomicWrite();
return *this; return *this;
} }
@@ -767,13 +298,7 @@ namespace YAML
{ {
if(!good()) if(!good())
return *this; return *this;
PreAtomicWrite();
EmitSeparationIfNecessary();
Utils::WriteChar(m_stream, ch);
PostAtomicWrite();
return *this; return *this;
} }
@@ -781,14 +306,7 @@ namespace YAML
{ {
if(!good()) if(!good())
return *this; return *this;
PreAtomicWrite();
EmitSeparationIfNecessary();
if(!Utils::WriteAlias(m_stream, alias.content)) {
m_pState->SetError(ErrorMsg::INVALID_ALIAS);
return *this;
}
PostAtomicWrite();
return *this; return *this;
} }
@@ -796,15 +314,7 @@ namespace YAML
{ {
if(!good()) if(!good())
return *this; return *this;
PreAtomicWrite();
EmitSeparationIfNecessary();
if(!Utils::WriteAnchor(m_stream, anchor.content)) {
m_pState->SetError(ErrorMsg::INVALID_ANCHOR);
return *this;
}
m_pState->RequireHardSeparation();
// Note: no PostAtomicWrite() because we need another value for this node
return *this; return *this;
} }
@@ -813,24 +323,7 @@ namespace YAML
if(!good()) if(!good())
return *this; return *this;
PreAtomicWrite();
EmitSeparationIfNecessary();
bool success = false;
if(tag.type == _Tag::Type::Verbatim)
success = Utils::WriteTag(m_stream, tag.content, true);
else if(tag.type == _Tag::Type::PrimaryHandle)
success = Utils::WriteTag(m_stream, tag.content, false);
else
success = Utils::WriteTagWithPrefix(m_stream, tag.prefix, tag.content);
if(!success) {
m_pState->SetError(ErrorMsg::INVALID_TAG);
return *this;
}
m_pState->RequireHardSeparation();
// Note: no PostAtomicWrite() because we need another value for this node
return *this; return *this;
} }
@@ -843,13 +336,7 @@ namespace YAML
{ {
if(!good()) if(!good())
return *this; return *this;
if(m_stream.col() > 0)
m_stream << Indentation(m_pState->GetPreCommentIndent());
Utils::WriteComment(m_stream, comment.content, m_pState->GetPostCommentIndent());
m_pState->RequireHardSeparation();
m_pState->ForceHardSeparation();
return *this; return *this;
} }
@@ -857,11 +344,7 @@ namespace YAML
{ {
if(!good()) if(!good())
return *this; return *this;
PreAtomicWrite();
EmitSeparationIfNecessary();
m_stream << "~";
PostAtomicWrite();
return *this; return *this;
} }
@@ -871,11 +354,7 @@ namespace YAML
if(!good()) if(!good())
return *this; return *this;
PreAtomicWrite();
EmitSeparationIfNecessary();
Utils::WriteBinary(m_stream, binary);
PostAtomicWrite();
return *this; return *this;
} }
} }

25
src/emitterstate.cpp
View File

@@ -4,11 +4,8 @@
namespace YAML namespace YAML
{ {
EmitterState::EmitterState(): m_isGood(true), m_curIndent(0), m_requiresSoftSeparation(false), m_requiresHardSeparation(false) EmitterState::EmitterState(): m_isGood(true), m_curIndent(0)
{ {
// start up
m_stateStack.push(ES_WAITING_FOR_DOC);
// set default global manipulators // set default global manipulators
m_charset.set(EmitNonAscii); m_charset.set(EmitNonAscii);
m_strFmt.set(Auto); m_strFmt.set(Auto);
@@ -59,7 +56,6 @@ namespace YAML
// set up group // set up group
pGroup->flow = GetFlowType(type); pGroup->flow = GetFlowType(type);
pGroup->indent = GetIndent(); pGroup->indent = GetIndent();
pGroup->usingLongKey = (GetMapKeyFormat() == LongKey ? true : false);
m_groups.push(pGroup); m_groups.push(pGroup);
} }
@@ -101,25 +97,6 @@ namespace YAML
return (m_groups.top().flow == Flow ? FlowType::Flow : FlowType::Block); return (m_groups.top().flow == Flow ? FlowType::Flow : FlowType::Block);
} }
bool EmitterState::CurrentlyInLongKey()
{
if(m_groups.empty())
return false;
return m_groups.top().usingLongKey;
}
void EmitterState::StartLongKey()
{
if(!m_groups.empty())
m_groups.top().usingLongKey = true;
}
void EmitterState::StartSimpleKey()
{
if(!m_groups.empty())
m_groups.top().usingLongKey = false;
}
void EmitterState::ClearModifiedSettings() void EmitterState::ClearModifiedSettings()
{ {

68
src/emitterstate.h
View File

@@ -20,46 +20,6 @@ namespace YAML
struct GroupType { enum value { None, Seq, Map }; }; struct GroupType { enum value { None, Seq, Map }; };
struct FlowType { enum value { None, Flow, Block }; }; struct FlowType { enum value { None, Flow, Block }; };
enum NODE_STATE {
NS_START,
NS_READY_FOR_ATOM,
NS_END
};
enum EMITTER_STATE {
ES_WAITING_FOR_DOC,
ES_WRITING_DOC,
ES_DONE_WITH_DOC,
// block seq
ES_WAITING_FOR_BLOCK_SEQ_ENTRY,
ES_WRITING_BLOCK_SEQ_ENTRY,
ES_DONE_WITH_BLOCK_SEQ_ENTRY,
// flow seq
ES_WAITING_FOR_FLOW_SEQ_ENTRY,
ES_WRITING_FLOW_SEQ_ENTRY,
ES_DONE_WITH_FLOW_SEQ_ENTRY,
// block map
ES_WAITING_FOR_BLOCK_MAP_ENTRY,
ES_WAITING_FOR_BLOCK_MAP_KEY,
ES_WRITING_BLOCK_MAP_KEY,
ES_DONE_WITH_BLOCK_MAP_KEY,
ES_WAITING_FOR_BLOCK_MAP_VALUE,
ES_WRITING_BLOCK_MAP_VALUE,
ES_DONE_WITH_BLOCK_MAP_VALUE,
// flow map
ES_WAITING_FOR_FLOW_MAP_ENTRY,
ES_WAITING_FOR_FLOW_MAP_KEY,
ES_WRITING_FLOW_MAP_KEY,
ES_DONE_WITH_FLOW_MAP_KEY,
ES_WAITING_FOR_FLOW_MAP_VALUE,
ES_WRITING_FLOW_MAP_VALUE,
ES_DONE_WITH_FLOW_MAP_VALUE
};
class EmitterState class EmitterState
{ {
public: public:
@@ -71,14 +31,6 @@ namespace YAML
const std::string GetLastError() const { return m_lastError; } const std::string GetLastError() const { return m_lastError; }
void SetError(const std::string& error) { m_isGood = false; m_lastError = error; } void SetError(const std::string& error) { m_isGood = false; m_lastError = error; }
// main state of the machine
EMITTER_STATE GetCurState() const { return m_stateStack.top(); }
void SwitchState(EMITTER_STATE state) { PopState(); PushState(state); }
void PushState(EMITTER_STATE state) { m_stateStack.push(state); }
void PopState() { m_stateStack.pop(); }
void SetLocalValue(EMITTER_MANIP value);
// group handling // group handling
void BeginGroup(GroupType::value type); void BeginGroup(GroupType::value type);
void EndGroup(GroupType::value type); void EndGroup(GroupType::value type);
@@ -86,21 +38,12 @@ namespace YAML
GroupType::value GetCurGroupType() const; GroupType::value GetCurGroupType() const;
FlowType::value GetCurGroupFlowType() const; FlowType::value GetCurGroupFlowType() const;
int GetCurIndent() const { return m_curIndent; } int GetCurIndent() const { return m_curIndent; }
bool CurrentlyInLongKey();
void StartLongKey();
void StartSimpleKey();
bool RequiresSoftSeparation() const { return m_requiresSoftSeparation; }
bool RequiresHardSeparation() const { return m_requiresHardSeparation; }
void RequireSoftSeparation() { m_requiresSoftSeparation = true; }
void RequireHardSeparation() { m_requiresSoftSeparation = true; m_requiresHardSeparation = true; }
void ForceHardSeparation() { m_requiresSoftSeparation = false; }
void UnsetSeparation() { m_requiresSoftSeparation = false; m_requiresHardSeparation = false; }
void ClearModifiedSettings(); void ClearModifiedSettings();
// formatters // formatters
void SetLocalValue(EMITTER_MANIP value);
bool SetOutputCharset(EMITTER_MANIP value, FmtScope::value scope); bool SetOutputCharset(EMITTER_MANIP value, FmtScope::value scope);
EMITTER_MANIP GetOutputCharset() const { return m_charset.get(); } EMITTER_MANIP GetOutputCharset() const { return m_charset.get(); }
@@ -148,8 +91,6 @@ namespace YAML
std::string m_lastError; std::string m_lastError;
// other state // other state
std::stack<EMITTER_STATE> m_stateStack;
Setting<EMITTER_MANIP> m_charset; Setting<EMITTER_MANIP> m_charset;
Setting<EMITTER_MANIP> m_strFmt; Setting<EMITTER_MANIP> m_strFmt;
Setting<EMITTER_MANIP> m_boolFmt; Setting<EMITTER_MANIP> m_boolFmt;
@@ -168,11 +109,10 @@ namespace YAML
SettingChanges m_globalModifiedSettings; SettingChanges m_globalModifiedSettings;
struct Group { struct Group {
Group(GroupType::value type_): type(type_), usingLongKey(false), indent(0) {} Group(GroupType::value type_): type(type_), indent(0) {}
GroupType::value type; GroupType::value type;
EMITTER_MANIP flow; EMITTER_MANIP flow;
bool usingLongKey;
int indent; int indent;
SettingChanges modifiedSettings; SettingChanges modifiedSettings;
@@ -180,8 +120,6 @@ namespace YAML
ptr_stack<Group> m_groups; ptr_stack<Group> m_groups;
unsigned m_curIndent; unsigned m_curIndent;
bool m_requiresSoftSeparation;
bool m_requiresHardSeparation;
}; };
template <typename T> template <typename T>