parsedecl.cxx

SP是一个基于GNU C++编译器

  }
  return r;
}

Boolean Parser::parseExceptions(unsigned declInputLevel,
				Ptr<ElementDefinition> &def)
{
  Param parm;
  static AllowedParams
    allowExceptionsMdc(Param::mdc, Param::exclusions, Param::inclusions);
  if (!parseParam(allowExceptionsMdc, declInputLevel, parm))
    return 0;
  if (parm.type == Param::exclusions) {
    if (options().warnExclusion)
      message(ParserMessages::exclusion);
    def->setExclusions(parm.elementVector);
    static AllowedParams allowInclusionsMdc(Param::mdc, Param::inclusions);
    if (!parseParam(allowInclusionsMdc, declInputLevel, parm))
      return 0;
  }
  if (parm.type == Param::inclusions) {
    if (options().warnInclusion)
      message(ParserMessages::inclusion);
    def->setInclusions(parm.elementVector);
    size_t nI = def->nInclusions();
    size_t nE = def->nExclusions();
    if (nE) {
      for (size_t i = 0; i < nI; i++) {
	const ElementType *e = def->inclusion(i);
	for (size_t j = 0; j < nE; j++)
	  if (def->exclusion(j) == e)
	    message(ParserMessages::excludeIncludeSame,
		    StringMessageArg(e->name()));
      }
    }
    if (!parseParam(allowMdc, declInputLevel, parm))
      return 0;
  }
  return 1;
}

Boolean Parser::parseAttlistDecl()
{
  unsigned declInputLevel = inputLevel();
  Param parm;
  size_t attcnt = 0;
  size_t idIndex = size_t(-1);
  size_t notationIndex = size_t(-1);
  Boolean anyCurrent = 0;
  
  Boolean isNotation;
  Vector<Attributed *> attributed;
  if (!parseAttributed(declInputLevel, parm, attributed, isNotation))
    return 0;
  Vector<CopyOwner<AttributeDefinition> > defs;
  if (!parseParam(sd().www() ? allowNameMdc : allowName, declInputLevel, parm))
    return 0;
  while (parm.type != Param::mdc) {
    StringC attributeName;
    parm.token.swap(attributeName);
    attcnt++;
    Boolean duplicate = 0;
    size_t i;
    for (i = 0; i < defs.size(); i++)
      if (defs[i]->name() == attributeName) {
	message(ParserMessages::duplicateAttributeDef,
		StringMessageArg(attributeName));
	duplicate = 1;
	break;
      }
    Owner<DeclaredValue> declaredValue;
    if (!parseDeclaredValue(declInputLevel, isNotation, parm, declaredValue))
      return 0;
    if (!duplicate) {
      if (declaredValue->isId()) {
	if (idIndex != size_t(-1))
	  message(ParserMessages::multipleIdAttributes,
		  StringMessageArg(defs[idIndex]->name()));
	idIndex = defs.size();
      }
      else if (declaredValue->isNotation()) {
	if (notationIndex != size_t(-1))
	  message(ParserMessages::multipleNotationAttributes,
		  StringMessageArg(defs[notationIndex]->name()));
	notationIndex = defs.size();
      }
    }
    const Vector<StringC> *tokensPtr = declaredValue->getTokens();
    if (tokensPtr) {
      size_t nTokens = tokensPtr->size();
      if (!sd().www()) {
	Vector<StringC>::const_iterator tokens = tokensPtr->begin();
	for (i = 0; i < nTokens; i++) {
	  for (size_t j = 0; j < defs.size(); j++)
	    if (defs[j]->containsToken(tokens[i])) {
	      message(ParserMessages::duplicateAttributeToken,
		      StringMessageArg(tokens[i]));
	      break;
	    }
	}
      }
      attcnt += nTokens;
    }
    Owner<AttributeDefinition> def;
    if (!parseDefaultValue(declInputLevel, isNotation, parm, attributeName,
			   declaredValue, def, anyCurrent))
      return 0;
    if (haveDefLpd() && defLpd().type() == Lpd::simpleLink && !def->isFixed())
      message(ParserMessages::simpleLinkFixedAttribute);
    if (!duplicate) {
      defs.resize(defs.size() + 1);
      defs.back() = def.extract();
    }
    static AllowedParams allowNameMdc(Param::name, Param::mdc);
    if (!parseParam(allowNameMdc, declInputLevel, parm))
      return 0;
  }
  if (attcnt > syntax().attcnt())
    message(ParserMessages::attcnt,
	    NumberMessageArg(attcnt),
	    NumberMessageArg(syntax().attcnt()));
  if (haveDefLpd() && !isNotation) {
    if (defLpd().type() == Lpd::simpleLink) {
      for (size_t i = 0; i < attributed.size(); i++) {
	const ElementType *e = (const ElementType *)attributed[i];
	if (e) {
	  if (e->name() == defLpd().sourceDtd()->name()) {
	    SimpleLpd &lpd = (SimpleLpd &)defLpd();
	    if (lpd.attributeDef().isNull())
	      lpd.setAttributeDef(new AttributeDefinitionList(defs, 0));
	    else
	      message(ParserMessages::duplicateAttlistElement,
		      StringMessageArg(e->name()));
	  }
	  else
	    message(ParserMessages::simpleLinkAttlistElement,
		    StringMessageArg(e->name()));
	}
      }
    }
    else {
      Ptr<AttributeDefinitionList>
	adl(new AttributeDefinitionList(defs,
					defComplexLpd()
					.allocAttributeDefinitionListIndex()));
      for (size_t i = 0; i < attributed.size(); i++) {
	const ElementType *e = (const ElementType *)attributed[i];
	if (e) {
	  if (defComplexLpd().attributeDef(e).isNull())
	    defComplexLpd().setAttributeDef(e, adl);
	  else
	    message(ParserMessages::duplicateAttlistElement,
		    StringMessageArg(e->name()));
	}
      }
    }
  }
  else {
    Ptr<AttributeDefinitionList>
      adl(new AttributeDefinitionList(defs,
				      defDtd()
				      .allocAttributeDefinitionListIndex(),
				      anyCurrent,
				      idIndex,
				      notationIndex));
    for (size_t i = 0; i < attributed.size(); i++) {
      if (attributed[i]->attributeDef().isNull()) {
	attributed[i]->setAttributeDef(adl);
	if (!isNotation) {
	  ElementType *e = (ElementType *)attributed[i];
	  if (e->definition() != 0)
	    checkElementAttribute(e);
	}
      }
      else if (options().errorAfdr && !sd().www()) {
	if (isNotation)
	  message(ParserMessages::duplicateAttlistNotation,
		  StringMessageArg(((Notation *)attributed[i])->name()));
	else
	  message(ParserMessages::duplicateAttlistElement,
		  StringMessageArg(((ElementType *)attributed[i])->name()));
      }
      else {
	if (!hadAfdrDecl() && !sd().www()) {
	  message(ParserMessages::missingAfdrDecl);
	  setHadAfdrDecl();
	}
	AttributeDefinitionList *curAdl;
	{
	  // Use block to make sure temporary gets destroyed.
	  curAdl = attributed[i]->attributeDef().pointer();
	}
	size_t oldSize = curAdl->size();
	if (curAdl->count() != 1) {
	  Vector<CopyOwner<AttributeDefinition> > copy(oldSize);
	  for (size_t j = 0; j < oldSize; j++)
	    copy[j] = curAdl->def(j)->copy();
	  Ptr<AttributeDefinitionList> adlCopy
	    = new AttributeDefinitionList(copy,
					  defDtd().allocAttributeDefinitionListIndex(),
					  curAdl->anyCurrent(),
					  curAdl->idIndex(),
					  curAdl->notationIndex());
	  attributed[i]->setAttributeDef(adlCopy);
	  curAdl = adlCopy.pointer();
	}
	// FIXME check for multiple ID and NOTATION attributes
	for (size_t j = 0; j < adl->size(); j++) {
	  unsigned tem;
	  if (!curAdl->attributeIndex(adl->def(j)->name(), tem))
	    curAdl->append(adl->def(j)->copy());
	}
	if (!isNotation) {
	  ElementType *e = (ElementType *)attributed[i];
	  if (e->definition() != 0)
	    checkElementAttribute(e, oldSize);
	}
      }
    }
  }
  if (currentMarkup()) {
    if (isNotation) {
      Vector<ConstPtr<Notation> > v(attributed.size());
      for (size_t i = 0; i < attributed.size(); i++)
	v[i] = (Notation *)attributed[i];
      eventHandler()
	.attlistNotationDecl(new (eventAllocator())
			     AttlistNotationDeclEvent(v,
						      markupLocation(),
						      currentMarkup()));
    }
    else {
      Vector<const ElementType *> v(attributed.size());
      for (size_t i = 0; i < attributed.size(); i++)
	v[i] = (ElementType *)attributed[i];
      if (haveDefLpd())
	eventHandler()
	  .linkAttlistDecl(new (eventAllocator())
			   LinkAttlistDeclEvent(v,
						defLpdPointer(),
						markupLocation(),
						currentMarkup()));
      else
	eventHandler().attlistDecl(new (eventAllocator())
				   AttlistDeclEvent(v,
						    currentDtdPointer(),
						    markupLocation(),
						    currentMarkup()));
    }
  }
  if (isNotation) {
    Dtd::EntityIter entityIter(defDtd().generalEntityIter());
    for (;;) {
      Ptr<Entity> entity(entityIter.next());
      if (entity.isNull())
	break;
      const ExternalDataEntity *external = entity->asExternalDataEntity();
      if (external) {
	const Notation *entityNotation = external->notation();
	for (size_t  i = 0; i < attributed.size(); i++)
	  if ((Notation *)attributed[i] == entityNotation) {
	    AttributeList attributes(entityNotation->attributeDef());
	    attributes.finish(*this);
	    ((ExternalDataEntity *)entity.pointer())
	      ->setNotation((Notation *)attributed[i], attributes);
	  }
      }
    }
  }
  return 1;
}


Boolean Parser::parseAttributed(unsigned declInputLevel,
				Param &parm,
				Vector<Attributed *> &attributed,
				Boolean &isNotation)
{
  static AllowedParams
    allowNameGroupNotation(Param::name,
			   Param::nameGroup,
			   Param::indicatedReservedName + Syntax::rNOTATION);
  static AllowedParams
    allowNameGroupNotationAll(Param::name,
			      Param::nameGroup,
			      Param::indicatedReservedName
			      + Syntax::rNOTATION,
			      Param::indicatedReservedName
			      + Syntax::rALL,
			      Param::indicatedReservedName
			      + Syntax::rIMPLICIT);
  if (!parseParam(haveDefLpd()
		  ? allowNameGroupNotation
		  : allowNameGroupNotationAll,
		  declInputLevel, parm))
    return 0;
  if (parm.type == Param::indicatedReservedName + Syntax::rNOTATION) {
    if (options().warnDataAttributes)
      message(ParserMessages::dataAttributes);
    isNotation = 1;
    static AllowedParams
      allowNameGroupAll(Param::name,
			Param::nameGroup,
			Param::indicatedReservedName + Syntax::rALL,
			Param::indicatedReservedName + Syntax::rIMPLICIT);
    if (!parseParam(haveDefLpd()
		    ? allowNameNameGroup
		    : allowNameGroupAll,
		    declInputLevel, parm))
      return 0;
    if (parm.type == Param::nameGroup) {
      attributed.resize(parm.nameTokenVector.size());
      for (size_t i = 0; i < attributed.size(); i++)
	attributed[i] = lookupCreateNotation(parm.nameTokenVector[i].name);
    }
    else {
      if (parm.type != Param::name && !hadAfdrDecl() && !sd().www()) {
	message(ParserMessages::missingAfdrDecl);
	setHadAfdrDecl();
      }
      attributed.resize(1);
      attributed[0]
	= lookupCreateNotation(parm.type == Param::name
			       ? parm.token
			       : syntax().rniReservedName(Syntax::ReservedName(parm.type - Param::indicatedReservedName)));
    }
  }
  else {
    isNotation = 0;
    if (parm.type == Param::nameGroup) {
      if (options().warnAttlistGroupDecl)
	message(ParserMessages::attlistGroupDecl);
      attributed.resize(parm.nameTokenVector.size());
      for (size_t i = 0; i < attributed.size(); i++)
	attributed[i] = lookupCreateElement(parm.nameTokenVector[i].name);
    }
    else {
      if (parm.type != Param::name && !hadAfdrDecl() && !sd().www()) {
	message(ParserMessages::missingAfdrDecl);
	setHadAfdrDecl();
      }
      attributed.resize(1);
      attributed[0]
	= lookupCreateElement(parm.type == Param::name
			      ? parm.token
			      : syntax().rniReservedName(Syntax::ReservedName(parm.type - Param::indicatedReservedName)));
    }
  }
  return 1;
}

Boolean Parser::parseDeclaredValue(unsigned declInputLevel,
				   Boolean isNotation,
				   Param &parm,
				   Owner<DeclaredValue> &declaredValue)
{
  static Param::Type declaredValues[] = {
    Param::reservedName + Syntax::rCDATA,
    Param::reservedName + Syntax::rENTITY,
    Param::reservedName + Syntax::rENTITIES,
    Param::reservedName + Syntax::rID,
    Param::reservedName + Syntax::rIDREF,
    Param::reservedName + Syntax::rIDREFS,
    Param::reservedName + Syntax::rNAME,
    Param::reservedName + Syntax::rNAMES,
    Param::reservedName + Syntax::rNMTOKEN,
    Param::reservedName + Syntax::rNMTOKENS,
    Param::reservedName + Syntax::rNUMBER,
    Param::reservedName + Syntax::rNUMBERS,
    Param::reservedName + Syntax::rNUTOKEN,
    Param::reservedName + Syntax::rNUTOKENS,
    Param::reservedName + Syntax::rNOTATION,
    Param::nameTokenGroup
    };
  static AllowedParams allowDeclaredValue(declaredValues,
					  SIZEOF(declaredValues));
  if (!parseParam(allowDeclaredValue, declInputLevel, parm))
    return 0;
  enum { asDataAttribute = 01, asLinkAttribute = 02 };
  unsigned allowedFlags = asDataAttribute|asLinkAttribute;
  switch (parm.type) {
  case Param::reservedName + Syntax::rCDATA:
    declaredValue = new CdataDeclaredValue;
    break;
  case Param::reservedName + Syntax::rENTITY:
    declaredValue = new EntityDeclaredValue(0);
    allowedFlags = asLinkAttribute;
    break;
  case Param::reservedName + Syntax::rENTITIES:
    declaredValue = new EntityDeclaredValue(1);
    allowedFlags = asLinkAttribute;
    break;
  case Param::reservedName + Syntax::rID:
    declaredValue = new IdDeclaredValue;
    allowedFlags = 0;
    break;
  case Param::reservedName + Syntax::rIDREF:
    declaredValue = new IdrefDeclaredValue(0);
    allowedFlags = 0;
    break;
  case Param::reservedName + Syntax::rIDREFS:
    declaredValue = new IdrefDeclaredValue(1);
    allowedFlags = 0;
    break;
  case Param::reservedName + Syntax::rNAME:
    declaredValue
      = new TokenizedDeclaredValue(TokenizedDeclaredValue::name, 0);
    if (options().warnNameDeclaredValue)
      message(ParserMessages::nameDeclaredValue);
    break;
  case Param::reservedName + Syntax::rNAMES:
    declaredValue
      = new TokenizedDeclaredValue(TokenizedDeclaredValue::name, 1);
    if (options().warnNameDeclaredValue)
      message(ParserMessages::nameDeclaredValue);
    break;
  case Param::reservedName + Syntax::rNMTOKEN:
    declaredValue
      = new TokenizedDeclaredValue(TokenizedDeclaredValue::nameToken, 0);
    break;
  case Param::reservedName + Syntax::rNMTOKENS:
    declaredValue
      = new TokenizedDeclaredValue(TokenizedDeclaredValue::nameToken, 1);
    break;