From 8b52a31ed2c299b759f330c4f976b9c70f5765f4 Mon Sep 17 00:00:00 2001 From: Hanoh Haim Date: Wed, 24 Jun 2015 14:03:29 +0300 Subject: first version --- yaml-cpp/src/emitter.cpp | 882 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 882 insertions(+) create mode 100755 yaml-cpp/src/emitter.cpp (limited to 'yaml-cpp/src/emitter.cpp') diff --git a/yaml-cpp/src/emitter.cpp b/yaml-cpp/src/emitter.cpp new file mode 100755 index 00000000..91f48da7 --- /dev/null +++ b/yaml-cpp/src/emitter.cpp @@ -0,0 +1,882 @@ +#include "yaml-cpp/emitter.h" +#include "emitterstate.h" +#include "emitterutils.h" +#include "indentation.h" +#include "yaml-cpp/exceptions.h" +#include + +namespace YAML +{ + Emitter::Emitter(): m_pState(new EmitterState) + { + } + + Emitter::~Emitter() + { + } + + const char *Emitter::c_str() const + { + return m_stream.str(); + } + + unsigned Emitter::size() const + { + return m_stream.pos(); + } + + // state checking + bool Emitter::good() const + { + return m_pState->good(); + } + + const std::string Emitter::GetLastError() const + { + return m_pState->GetLastError(); + } + + // global setters + bool Emitter::SetOutputCharset(EMITTER_MANIP value) + { + return m_pState->SetOutputCharset(value, GLOBAL); + } + + bool Emitter::SetStringFormat(EMITTER_MANIP value) + { + return m_pState->SetStringFormat(value, GLOBAL); + } + + bool Emitter::SetBoolFormat(EMITTER_MANIP value) + { + bool ok = false; + if(m_pState->SetBoolFormat(value, GLOBAL)) + ok = true; + if(m_pState->SetBoolCaseFormat(value, GLOBAL)) + ok = true; + if(m_pState->SetBoolLengthFormat(value, GLOBAL)) + ok = true; + return ok; + } + + bool Emitter::SetIntBase(EMITTER_MANIP value) + { + return m_pState->SetIntFormat(value, GLOBAL); + } + + bool Emitter::SetSeqFormat(EMITTER_MANIP value) + { + return m_pState->SetFlowType(GT_SEQ, value, GLOBAL); + } + + bool Emitter::SetMapFormat(EMITTER_MANIP value) + { + bool ok = false; + if(m_pState->SetFlowType(GT_MAP, value, GLOBAL)) + ok = true; + if(m_pState->SetMapKeyFormat(value, GLOBAL)) + ok = true; + return ok; + } + + bool Emitter::SetIndent(unsigned n) + { + return m_pState->SetIndent(n, GLOBAL); + } + + bool Emitter::SetPreCommentIndent(unsigned n) + { + return m_pState->SetPreCommentIndent(n, GLOBAL); + } + + bool Emitter::SetPostCommentIndent(unsigned n) + { + 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 + Emitter& Emitter::SetLocalValue(EMITTER_MANIP value) + { + if(!good()) + return *this; + + switch(value) { + case BeginDoc: + EmitBeginDoc(); + break; + case EndDoc: + EmitEndDoc(); + break; + case BeginSeq: + EmitBeginSeq(); + break; + case EndSeq: + EmitEndSeq(); + break; + case BeginMap: + EmitBeginMap(); + break; + case EndMap: + EmitEndMap(); + break; + case Key: + EmitKey(); + break; + case Value: + EmitValue(); + break; + case TagByKind: + EmitKindTag(); + break; + case Newline: + EmitNewline(); + break; + default: + m_pState->SetLocalValue(value); + break; + } + return *this; + } + + Emitter& Emitter::SetLocalIndent(const _Indent& indent) + { + m_pState->SetIndent(indent.value, LOCAL); + 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() + { + 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 + 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() + { + if(!good()) + 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(GT_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(GT_SEQ); + } + + // EmitEndSeq + void Emitter::EmitEndSeq() + { + if(!good()) + return; + + if(m_pState->GetCurGroupType() != GT_SEQ) + return m_pState->SetError(ErrorMsg::UNEXPECTED_END_SEQ); + + EMITTER_STATE curState = m_pState->GetCurState(); + FLOW_TYPE flowType = m_pState->GetCurGroupFlowType(); + if(flowType == FT_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 == FT_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(GT_SEQ); + + PostAtomicWrite(); + } + + // EmitBeginMap + void Emitter::EmitBeginMap() + { + if(!good()) + 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(GT_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(GT_MAP); + } + + // EmitEndMap + void Emitter::EmitEndMap() + { + if(!good()) + return; + + if(m_pState->GetCurGroupType() != GT_MAP) + return m_pState->SetError(ErrorMsg::UNEXPECTED_END_MAP); + + EMITTER_STATE curState = m_pState->GetCurState(); + FLOW_TYPE flowType = m_pState->GetCurGroupFlowType(); + if(flowType == FT_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 == FT_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(GT_MAP); + + PostAtomicWrite(); + } + + // EmitKey + void Emitter::EmitKey() + { + if(!good()) + return; + + EMITTER_STATE curState = m_pState->GetCurState(); + FLOW_TYPE 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 == FT_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 == FT_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 + void Emitter::EmitValue() + { + if(!good()) + return; + + EMITTER_STATE curState = m_pState->GetCurState(); + FLOW_TYPE 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 == FT_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 == FT_FLOW) { + m_pState->SwitchState(ES_WAITING_FOR_FLOW_MAP_VALUE); + } else + assert(false); + } + + // EmitNewline + void Emitter::EmitNewline() + { + if(!good()) + return; + + if(CanEmitNewline()) { + m_stream << '\n'; + m_pState->UnsetSeparation(); + } + } + + bool Emitter::CanEmitNewline() const + { + FLOW_TYPE flowType = m_pState->GetCurGroupFlowType(); + if(flowType == FT_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; + } + + // ******************************************************************************************* + // overloads of Write + + Emitter& Emitter::Write(const std::string& str) + { + if(!good()) + return *this; + + // literal scalars must use long keys + if(m_pState->GetStringFormat() == Literal && m_pState->GetCurGroupFlowType() != FT_FLOW) + m_pState->StartLongKey(); + + PreAtomicWrite(); + EmitSeparationIfNecessary(); + + bool escapeNonAscii = m_pState->GetOutputCharset() == EscapeNonAscii; + EMITTER_MANIP strFmt = m_pState->GetStringFormat(); + FLOW_TYPE flowType = m_pState->GetCurGroupFlowType(); + unsigned curIndent = m_pState->GetCurIndent(); + + switch(strFmt) { + case Auto: + Utils::WriteString(m_stream, str, flowType == FT_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 == FT_FLOW) + Utils::WriteString(m_stream, str, flowType == FT_FLOW, escapeNonAscii); + else + Utils::WriteLiteralString(m_stream, str, curIndent + m_pState->GetIndent()); + break; + default: + assert(false); + } + + PostAtomicWrite(); + 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 + { + return m_pState->GetFloatPrecision(); + } + + unsigned Emitter::GetDoublePrecision() const + { + 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 EMITTER_MANIP mainFmt = (m_pState->GetBoolLengthFormat() == ShortBool ? YesNoBool : m_pState->GetBoolFormat()); + const EMITTER_MANIP caseFmt = m_pState->GetBoolCaseFormat(); + switch(mainFmt) { + case YesNoBool: + switch(caseFmt) { + case UpperCase: return b ? "YES" : "NO"; + case CamelCase: return b ? "Yes" : "No"; + case LowerCase: return b ? "yes" : "no"; + default: break; + } + break; + case OnOffBool: + switch(caseFmt) { + case UpperCase: return b ? "ON" : "OFF"; + case CamelCase: return b ? "On" : "Off"; + case LowerCase: return b ? "on" : "off"; + default: break; + } + break; + case TrueFalseBool: + switch(caseFmt) { + case UpperCase: return b ? "TRUE" : "FALSE"; + case CamelCase: return b ? "True" : "False"; + case LowerCase: return b ? "true" : "false"; + default: break; + } + break; + default: + break; + } + return b ? "y" : "n"; // should never get here, but it can't hurt to give these answers + } + + Emitter& Emitter::Write(bool b) + { + if(!good()) + 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; + } + + Emitter& Emitter::Write(char ch) + { + if(!good()) + return *this; + + PreAtomicWrite(); + EmitSeparationIfNecessary(); + + Utils::WriteChar(m_stream, ch); + + PostAtomicWrite(); + return *this; + } + + Emitter& Emitter::Write(const _Alias& alias) + { + if(!good()) + return *this; + + PreAtomicWrite(); + EmitSeparationIfNecessary(); + if(!Utils::WriteAlias(m_stream, alias.content)) { + m_pState->SetError(ErrorMsg::INVALID_ALIAS); + return *this; + } + PostAtomicWrite(); + return *this; + } + + Emitter& Emitter::Write(const _Anchor& anchor) + { + if(!good()) + 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; + } + + Emitter& Emitter::Write(const _Tag& tag) + { + if(!good()) + 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; + } + + void Emitter::EmitKindTag() + { + Write(LocalTag("")); + } + + Emitter& Emitter::Write(const _Comment& comment) + { + if(!good()) + 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; + } + + Emitter& Emitter::Write(const _Null& /*null*/) + { + if(!good()) + return *this; + + PreAtomicWrite(); + EmitSeparationIfNecessary(); + m_stream << "~"; + PostAtomicWrite(); + return *this; + } + + Emitter& Emitter::Write(const Binary& binary) + { + Write(SecondaryTag("binary")); + + if(!good()) + return *this; + + PreAtomicWrite(); + EmitSeparationIfNecessary(); + Utils::WriteBinary(m_stream, binary); + PostAtomicWrite(); + return *this; + } +} + -- cgit 1.2.3-korg