private bool BuildParticleContentModel(ParticleContentValidator contentValidator, XmlSchemaParticle particle)
{
bool flag = false;
if (particle is XmlSchemaElement)
{
XmlSchemaElement element = (XmlSchemaElement) particle;
contentValidator.AddName(element.QualifiedName, element);
}
else if (particle is XmlSchemaAny)
{
flag = true;
XmlSchemaAny any = (XmlSchemaAny) particle;
contentValidator.AddNamespaceList(any.NamespaceList, any);
}
else if (particle is XmlSchemaGroupBase)
{
XmlSchemaObjectCollection items = ((XmlSchemaGroupBase) particle).Items;
bool flag2 = particle is XmlSchemaChoice;
contentValidator.OpenGroup();
bool flag3 = true;
for (int i = 0; i < items.Count; i++)
{
if (flag3)
{
flag3 = false;
}
else if (flag2)
{
contentValidator.AddChoice();
}
else
{
contentValidator.AddSequence();
}
flag = this.BuildParticleContentModel(contentValidator, (XmlSchemaParticle) items[i]);
}
contentValidator.CloseGroup();
}
if ((particle.MinOccurs != 1M) || (particle.MaxOccurs != 1M))
{
if ((particle.MinOccurs == 0M) && (particle.MaxOccurs == 1M))
{
contentValidator.AddQMark();
return flag;
}
if ((particle.MinOccurs == 0M) && (particle.MaxOccurs == 79228162514264337593543950335M))
{
contentValidator.AddStar();
return flag;
}
if ((particle.MinOccurs == 1M) && (particle.MaxOccurs == 79228162514264337593543950335M))
{
contentValidator.AddPlus();
return flag;
}
contentValidator.AddLeafRange(particle.MinOccurs, particle.MaxOccurs);
}
return flag;
}
private void ParseElementMixedContent(ParticleContentValidator pcv, int startParenEntityId)
{
bool hasNames = false;
int connectorEntityId = -1;
int contentEntityId = _currentEntityId;
for (;;)
{
switch (GetToken(false))
{
case Token.RightParen:
pcv.CloseGroup();
if (_validate && _currentEntityId != startParenEntityId)
{
SendValidationEvent(_curPos, XmlSeverityType.Error, SR.Sch_ParEntityRefNesting, string.Empty);
}
if (GetToken(false) == Token.Star && hasNames)
{
pcv.AddStar();
}
else if (hasNames)
{
ThrowUnexpectedToken(_curPos, "*");
}
return;
case Token.Or:
if (!hasNames)
{
hasNames = true;
}
else
{
pcv.AddChoice();
}
if (_validate)
{
connectorEntityId = _currentEntityId;
if (contentEntityId < connectorEntityId)
{ // entity repl.text starting with connector
SendValidationEvent(_curPos, XmlSeverityType.Error, SR.Sch_ParEntityRefNesting, string.Empty);
}
}
if (GetToken(false) != Token.QName)
{
goto default;
}
XmlQualifiedName name = GetNameQualified(true);
if (pcv.Exists(name) && _validate)
{
SendValidationEvent(XmlSeverityType.Error, SR.Sch_DupElement, name.ToString());
}
pcv.AddName(name, null);
if (_validate)
{
contentEntityId = _currentEntityId;
if (contentEntityId < connectorEntityId)
{ // entity repl.text ending with connector
SendValidationEvent(_curPos, XmlSeverityType.Error, SR.Sch_ParEntityRefNesting, string.Empty);
}
}
continue;
default:
OnUnexpectedError();
break;
}
}
}
private void ParseElementOnlyContent(ParticleContentValidator pcv, int startParenEntityId)
{
Stack<ParseElementOnlyContent_LocalFrame> localFrames = new Stack<ParseElementOnlyContent_LocalFrame>();
ParseElementOnlyContent_LocalFrame currentFrame = new ParseElementOnlyContent_LocalFrame(startParenEntityId);
localFrames.Push(currentFrame);
RecursiveCall:
Loop:
switch (GetToken(false))
{
case Token.QName:
pcv.AddName(GetNameQualified(true), null);
ParseHowMany(pcv);
break;
case Token.LeftParen:
pcv.OpenGroup();
// We could just do this:
// ParseElementOnlyContent( pcv, currentEntityId );
//
// But that would be recursion - so we will simulate the call using our localFrames stack
// instead.
currentFrame =
new ParseElementOnlyContent_LocalFrame(_currentEntityId);
localFrames.Push(currentFrame);
goto RecursiveCall;
// And we should return here when we return from recursion call
// but it's the same as returning after the switch statement
case Token.GreaterThan:
Throw(_curPos, SR.Xml_InvalidContentModel);
goto Return;
default:
goto UnexpectedError;
}
ReturnFromRecursiveCall:
switch (GetToken(false))
{
case Token.Comma:
if (currentFrame.parsingSchema == Token.Or)
{
Throw(_curPos, SR.Xml_InvalidContentModel);
}
pcv.AddSequence();
currentFrame.parsingSchema = Token.Comma;
break;
case Token.Or:
if (currentFrame.parsingSchema == Token.Comma)
{
Throw(_curPos, SR.Xml_InvalidContentModel);
}
pcv.AddChoice();
currentFrame.parsingSchema = Token.Or;
break;
case Token.RightParen:
pcv.CloseGroup();
if (_validate && _currentEntityId != currentFrame.startParenEntityId)
{
SendValidationEvent(_curPos, XmlSeverityType.Error, SR.Sch_ParEntityRefNesting, string.Empty);
}
ParseHowMany(pcv);
goto Return;
case Token.GreaterThan:
Throw(_curPos, SR.Xml_InvalidContentModel);
goto Return;
default:
goto UnexpectedError;
}
goto Loop;
UnexpectedError:
OnUnexpectedError();
Return:
// This is equivalent to return; statement
// we simlate it using our localFrames stack
localFrames.Pop();
if (localFrames.Count > 0)
{
currentFrame = (ParseElementOnlyContent_LocalFrame)localFrames.Peek();
goto ReturnFromRecursiveCall;
}
else
{
return;
}
}
private bool BuildParticleContentModel(ParticleContentValidator contentValidator, XmlSchemaParticle particle) {
bool hasWildCard = false;
if (particle is XmlSchemaElement) {
XmlSchemaElement element = (XmlSchemaElement)particle;
contentValidator.AddName(element.QualifiedName, element);
}
else if (particle is XmlSchemaAny) {
hasWildCard = true;
XmlSchemaAny any = (XmlSchemaAny)particle;
contentValidator.AddNamespaceList(any.NamespaceList, any);
}
else if (particle is XmlSchemaGroupBase) {
XmlSchemaObjectCollection particles = ((XmlSchemaGroupBase)particle).Items;
bool isChoice = particle is XmlSchemaChoice;
contentValidator.OpenGroup();
bool first = true;
for (int i = 0; i < particles.Count; ++i) {
Debug.Assert(!((XmlSchemaParticle)particles[i]).IsEmpty);
if (first) {
first = false;
}
else if (isChoice) {
contentValidator.AddChoice();
}
else {
contentValidator.AddSequence();
}
hasWildCard = BuildParticleContentModel(contentValidator, (XmlSchemaParticle)particles[i]);
}
contentValidator.CloseGroup();
}
else {
Debug.Assert(false);
}
if (particle.MinOccurs == decimal.One && particle.MaxOccurs == decimal.One) {
// nothing
}
else if (particle.MinOccurs == decimal.Zero && particle.MaxOccurs == decimal.One) {
contentValidator.AddQMark();
}
else if (particle.MinOccurs == decimal.Zero && particle.MaxOccurs == decimal.MaxValue) {
contentValidator.AddStar();
}
else if (particle.MinOccurs == decimal.One && particle.MaxOccurs == decimal.MaxValue) {
contentValidator.AddPlus();
}
else {
contentValidator.AddLeafRange(particle.MinOccurs, particle.MaxOccurs);
}
return hasWildCard;
}
private void ParseElementOnlyContent( ParticleContentValidator pcv, int startParenEntityId ) {
Token parsingSchema = Token.None;
int connectorEntityId = startParenEntityId;
int contentEntityId = -1;
for (;;) {
switch ( GetToken( false ) ) {
case Token.QName:
pcv.AddName( GetNameQualified(true), null );
if ( validate ) {
contentEntityId = currentEntityId;
if ( connectorEntityId > contentEntityId ) { // entity repl.text ending with connector
SendValidationEvent( curPos, XmlSeverityType.Error, Res.Sch_ParEntityRefNesting, string.Empty );
}
}
ParseHowMany( pcv );
break;
case Token.LeftParen:
pcv.OpenGroup();
if ( validate ) {
contentEntityId = currentEntityId;
if ( connectorEntityId > contentEntityId ) { // entity repl.text ending with connector
SendValidationEvent( curPos, XmlSeverityType.Error, Res.Sch_ParEntityRefNesting, string.Empty );
}
}
ParseElementOnlyContent( pcv, currentEntityId );
break;
case Token.GreaterThan:
Throw( curPos, Res.Xml_InvalidContentModel );
return;
default:
goto UnexpectedError;
}
switch ( GetToken( false ) ) {
case Token.Comma:
if ( parsingSchema == Token.Or ) {
Throw( curPos, Res.Xml_InvalidContentModel );
}
pcv.AddSequence();
parsingSchema = Token.Comma;
if ( validate ) {
connectorEntityId = currentEntityId;
if ( connectorEntityId > contentEntityId ) { // entity repl.text starting with connector
SendValidationEvent( curPos, XmlSeverityType.Error, Res.Sch_ParEntityRefNesting, string.Empty );
}
}
break;
case Token.Or:
if ( parsingSchema == Token.Comma ) {
Throw( curPos, Res.Xml_InvalidContentModel );
}
pcv.AddChoice();
parsingSchema = Token.Or;
if ( validate ) {
connectorEntityId = currentEntityId;
if ( connectorEntityId > contentEntityId ) { // entity repl.text starting with connector
SendValidationEvent( curPos, XmlSeverityType.Error, Res.Sch_ParEntityRefNesting, string.Empty );
}
}
break;
case Token.RightParen:
pcv.CloseGroup();
if ( validate && currentEntityId != startParenEntityId ) {
SendValidationEvent( curPos, XmlSeverityType.Error, Res.Sch_ParEntityRefNesting, string.Empty );
}
ParseHowMany( pcv );
return;
case Token.GreaterThan:
Throw( curPos, Res.Xml_InvalidContentModel );
return;
default:
goto UnexpectedError;
}
}
UnexpectedError:
OnUnexpectedError();
}
private void BuildParticleContentModel(ParticleContentValidator contentValidator, XmlSchemaParticle particle) {
if (particle is XmlSchemaElement) {
XmlSchemaElement element = (XmlSchemaElement)particle;
contentValidator.AddName(element.QualifiedName, element);
}
else if (particle is XmlSchemaAny) {
XmlSchemaAny any = (XmlSchemaAny)particle;
contentValidator.AddNamespaceList(any.NamespaceList, any);
}
else if (particle is XmlSchemaGroupBase) {
XmlSchemaObjectCollection particles = ((XmlSchemaGroupBase)particle).Items;
bool isChoice = particle is XmlSchemaChoice;
contentValidator.OpenGroup();
bool first = true;
foreach (XmlSchemaParticle p in particles) {
Debug.Assert(!p.IsEmpty);
if (first) {
first = false;
}
else if (isChoice) {
contentValidator.AddChoice();
}
else {
contentValidator.AddSequence();
}
BuildParticleContentModel(contentValidator, p);
}
contentValidator.CloseGroup();
}
else {
Debug.Assert(false);
}
if (particle.MinOccurs == decimal.One && particle.MaxOccurs == decimal.One) {
// nothing
}
else if (particle.MinOccurs == decimal.Zero && particle.MaxOccurs == decimal.One) {
contentValidator.AddQMark();
}
else if (particle.MinOccurs == decimal.Zero && particle.MaxOccurs == decimal.MaxValue) {
contentValidator.AddStar();
}
else if (particle.MinOccurs == decimal.One && particle.MaxOccurs == decimal.MaxValue) {
contentValidator.AddPlus();
}
else {
contentValidator.AddLeafRange(particle.MinOccurs, particle.MaxOccurs);
}
}