public StepFile Deserialize(IStepReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
StepFile step = new StepFile();
while (reader.Read())
{
switch (reader.TokenType)
{
case StepToken.EntityName:
step.Header.Add(deserializeEntity(reader));
continue;
case StepToken.LineIdentifier:
int objectNumber = getObjectNumber(reader);
step.Data.Add(objectNumber, deserializeEntity(reader));
continue;
default:
continue;
}
}
//TODO should try to create the tree here. Need to handle circular references though.
return(step);
}
public void CanReadSmallWallExample()
{
SUT = this.createStepReader( ExampleData.StepIFC2X3SmallWallExample() );
int count = 0;
while(SUT.Read()){
count++;
}
Assert.AreEqual(StepToken.EndSTEP, SUT.TokenType);
Assert.AreEqual(1927, count );
}
public void CanReadSmallWallExample()
{
SUT = this.createStepReader(ExampleData.StepIFC2X3SmallWallExample());
int count = 0;
while (SUT.Read())
{
count++;
}
Assert.AreEqual(StepToken.EndSTEP, SUT.TokenType);
Assert.AreEqual(1927, count);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private StepValue deserializeArray(IStepReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
IList <StepValue> values = new List <StepValue>();
while (reader.Read())
{
logger.Debug(String.Format(CultureInfo.InvariantCulture,
"deserializeArray read : {0} of value {1}",
reader.TokenType,
reader.Value));
switch (reader.TokenType)
{
case StepToken.EndArray:
return(StepValue.CreateArray(values));
case StepToken.LineReference:
values.Add(deserializeLineReference(reader));
continue;
case StepToken.Enumeration:
case StepToken.Boolean:
case StepToken.Integer:
case StepToken.Float:
case StepToken.String:
values.Add(deserializeProperty(reader));
continue;
case StepToken.Null:
values.Add(deserializeNull());
continue;
case StepToken.EntityName:
case StepToken.StartEntity:
values.Add(deserializeNestedEntity(reader));
continue;
case StepToken.Operator:
case StepToken.Overridden:
case StepToken.EndEntity:
case StepToken.EndLine:
case StepToken.EndSection:
case StepToken.EndSTEP:
case StepToken.StartSTEP:
case StepToken.StartSection:
throw new StepSerializerException(String.Format(CultureInfo.InvariantCulture,
"deserializeArray found a token which was not expected: {0}",
reader.TokenType));
default:
throw new NotImplementedException(String.Format(CultureInfo.InvariantCulture,
"This ExpressToken type is not yet implemented by deserializeArray(), {0}",
reader.TokenType));
}
}
throw new StepSerializerException("deserializeArray() reached the end of the reader without finding an endArray token");
}
/// <summary>
/// Attempts to read a nested entity
/// </summary>
/// <param name="reader"></param>
/// <returns></returns>
private StepDataObject deserializeEntity(IStepReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
StepDataObject edo = new StepDataObject();
bool entityStarted = false;
//nested entities are already on the EntityName token
if (reader.TokenType == StepToken.EntityName)
{
edo.ObjectName = getObjectName(reader);
}
while (reader.Read())
{
logger.Debug(String.Format(CultureInfo.InvariantCulture,
"deserializer read token {0}. value {1}",
reader.TokenType,
reader.Value));
switch (reader.TokenType)
{
case StepToken.EntityName:
if (!entityStarted)
{
edo.ObjectName = getObjectName(reader);
}
else //it's a nested entity
{
edo.Properties.Add(deserializeNestedEntity(reader));
}
continue;
case StepToken.LineReference:
edo.Properties.Add(deserializeLineReference(reader));
continue;
case StepToken.Enumeration:
case StepToken.Boolean:
case StepToken.Integer:
case StepToken.Float:
case StepToken.String:
case StepToken.Date:
edo.Properties.Add(deserializeProperty(reader));
continue;
case StepToken.StartArray:
edo.Properties.Add(deserializeArray(reader));
continue;
case StepToken.StartEntity:
if (!entityStarted)
{
entityStarted = true;
}
else
{
throw new StepSerializerException(String.Format(CultureInfo.InvariantCulture,
"A token was found which was not expected: {0}",
reader.TokenType));
}
continue;
case StepToken.Operator:
case StepToken.Comment:
continue;
case StepToken.Overridden:
edo.Properties.Add(deserializeOverridden());
continue;
case StepToken.Null:
edo.Properties.Add(deserializeNull());
continue;
case StepToken.EndEntity:
return(edo);
case StepToken.EndLine:
case StepToken.EndSection:
case StepToken.EndSTEP:
case StepToken.StartSTEP:
case StepToken.StartSection:
throw new StepSerializerException(String.Format(CultureInfo.InvariantCulture,
"A token was found which was not expected: {0}",
reader.TokenType));
default:
throw new NotImplementedException(String.Format(CultureInfo.InvariantCulture,
"The {0} ExpressToken type is not yet implemented by deserializeEntity()",
reader.TokenType));
}
//TODO should do some verification here (properties are after entityStart and before EntityEnd etc.)
}
throw new StepSerializerException("The reader reached the end without finding an endEntity token");
}
public StepFile Deserialize(IStepReader reader)
{
if( reader == null )
throw new ArgumentNullException( "reader" );
StepFile step = new StepFile();
while(reader.Read()){
switch(reader.TokenType){
case StepToken.EntityName:
step.Header.Add( deserializeEntity( reader ) );
continue;
case StepToken.LineIdentifier:
int objectNumber = getObjectNumber( reader );
step.Data.Add( objectNumber, deserializeEntity( reader ) );
continue;
default:
continue;
}
}
//TODO should try to create the tree here. Need to handle circular references though.
return step;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private StepValue deserializeArray(IStepReader reader){
if(reader == null)
throw new ArgumentNullException("reader");
IList<StepValue> values = new List<StepValue>();
while(reader.Read()){
logger.Debug(String.Format(CultureInfo.InvariantCulture,
"deserializeArray read : {0} of value {1}",
reader.TokenType,
reader.Value));
switch(reader.TokenType){
case StepToken.EndArray:
return StepValue.CreateArray(values);
case StepToken.LineReference:
values.Add(deserializeLineReference(reader));
continue;
case StepToken.Enumeration:
case StepToken.Boolean:
case StepToken.Integer:
case StepToken.Float:
case StepToken.String:
values.Add(deserializeProperty(reader));
continue;
case StepToken.Null:
values.Add(deserializeNull());
continue;
case StepToken.EntityName:
case StepToken.StartEntity:
values.Add(deserializeNestedEntity(reader));
continue;
case StepToken.Operator:
case StepToken.Overridden:
case StepToken.EndEntity:
case StepToken.EndLine:
case StepToken.EndSection:
case StepToken.EndSTEP:
case StepToken.StartSTEP:
case StepToken.StartSection:
throw new StepSerializerException( String.Format(CultureInfo.InvariantCulture,
"deserializeArray found a token which was not expected: {0}",
reader.TokenType));
default:
throw new NotImplementedException(String.Format(CultureInfo.InvariantCulture,
"This ExpressToken type is not yet implemented by deserializeArray(), {0}",
reader.TokenType));
}
}
throw new StepSerializerException( "deserializeArray() reached the end of the reader without finding an endArray token" );
}
/// <summary>
/// Attempts to read a nested entity
/// </summary>
/// <param name="reader"></param>
/// <returns></returns>
private StepDataObject deserializeEntity(IStepReader reader){
if(reader == null)
throw new ArgumentNullException( "reader" );
StepDataObject edo = new StepDataObject();
bool entityStarted = false;
//nested entities are already on the EntityName token
if(reader.TokenType == StepToken.EntityName)
edo.ObjectName = getObjectName(reader);
while(reader.Read()){
logger.Debug(String.Format(CultureInfo.InvariantCulture,
"deserializer read token {0}. value {1}",
reader.TokenType,
reader.Value));
switch(reader.TokenType){
case StepToken.EntityName:
if(!entityStarted)
edo.ObjectName = getObjectName( reader );
else //it's a nested entity
edo.Properties.Add( deserializeNestedEntity( reader ) );
continue;
case StepToken.LineReference:
edo.Properties.Add(deserializeLineReference( reader ));
continue;
case StepToken.Enumeration:
case StepToken.Boolean:
case StepToken.Integer:
case StepToken.Float:
case StepToken.String:
case StepToken.Date:
edo.Properties.Add(deserializeProperty( reader ));
continue;
case StepToken.StartArray:
edo.Properties.Add(deserializeArray( reader ));
continue;
case StepToken.StartEntity:
if(!entityStarted)
entityStarted = true;
else
throw new StepSerializerException(String.Format(CultureInfo.InvariantCulture,
"A token was found which was not expected: {0}",
reader.TokenType));
continue;
case StepToken.Operator:
case StepToken.Comment:
continue;
case StepToken.Overridden:
edo.Properties.Add(deserializeOverridden());
continue;
case StepToken.Null:
edo.Properties.Add(deserializeNull());
continue;
case StepToken.EndEntity:
return edo;
case StepToken.EndLine:
case StepToken.EndSection:
case StepToken.EndSTEP:
case StepToken.StartSTEP:
case StepToken.StartSection:
throw new StepSerializerException(String.Format(CultureInfo.InvariantCulture,
"A token was found which was not expected: {0}",
reader.TokenType));
default:
throw new NotImplementedException(String.Format(CultureInfo.InvariantCulture,
"The {0} ExpressToken type is not yet implemented by deserializeEntity()",
reader.TokenType));
}
//TODO should do some verification here (properties are after entityStart and before EntityEnd etc.)
}
throw new StepSerializerException( "The reader reached the end without finding an endEntity token" );
}
public void CanReadSimple()
{
createSUT(ExampleData.simpleStepWithCommentString());
//read Iso declaration
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.StartSTEP, SUT.TokenType);
Assert.AreEqual("ISO-10303-21", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndLine, SUT.TokenType);
//read header section definition
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.StartSection, SUT.TokenType);
Assert.AreEqual("HEADER", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndLine, SUT.TokenType);
//read file description name
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EntityName, SUT.TokenType);
Assert.AreEqual("FILE_DESCRIPTION", SUT.Value);
//read start of file_description object
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.StartEntity, SUT.TokenType);
Assert.IsNull(SUT.Value);
//read start of array
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.StartArray, SUT.TokenType);
Assert.IsNull(SUT.Value);
//read only value in array
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.String, SUT.TokenType);
Assert.AreEqual("ViewDefinition [CoordinationView, QuantityTakeOffAddOnView]", SUT.Value);
//read end of array
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndArray, SUT.TokenType);
Assert.IsNull(SUT.Value);
//read implementation level
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.String, SUT.TokenType);
Assert.AreEqual("2;1", SUT.Value);
//read close of entity
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndEntity, SUT.TokenType);
Assert.IsNull(SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndLine, SUT.TokenType);
//read file_name function name
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EntityName, SUT.TokenType);
Assert.AreEqual("FILE_NAME", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.StartEntity, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.String, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.Date, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.StartArray, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.String, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndArray, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndEntity, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndLine, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EntityName, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.StartEntity, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.StartArray, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.String, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndArray, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndEntity, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndLine, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndSection, SUT.TokenType);
Assert.AreEqual("ENDSEC", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndLine, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.StartSection, SUT.TokenType);
Assert.AreEqual("DATA", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndLine, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.LineIdentifier, SUT.TokenType);
Assert.AreEqual("#1", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.Operator, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EntityName, SUT.TokenType);
Assert.AreEqual("IFCPROJECT", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.StartEntity, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.String, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.LineReference, SUT.TokenType);
Assert.AreEqual("#2", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.String, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.String, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.Null, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.Float, SUT.TokenType);
Assert.AreEqual(-22.4, SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.Null, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.StartArray, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.LineReference, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndArray, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.LineReference, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndEntity, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndLine, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.Comment, SUT.TokenType);
Assert.AreEqual(" a comment ", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.LineIdentifier, SUT.TokenType);
Assert.AreEqual("#2", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.Operator, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EntityName, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.StartEntity, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.LineReference, SUT.TokenType);
Assert.AreEqual("#3", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EntityName, SUT.TokenType);
Assert.AreEqual("IFCTEXT", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.StartEntity, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.String, SUT.TokenType);
Assert.AreEqual("foobar", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndEntity, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.Null, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.Enumeration, SUT.TokenType);
Assert.AreEqual("ADDED", SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.Null, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.Boolean, SUT.TokenType);
Assert.AreEqual(false, SUT.Value);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.Overridden, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.Integer, SUT.TokenType);
Assert.AreEqual(1217620436, SUT.Value);
Assert.AreEqual(typeof(int), SUT.ValueType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndEntity, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndLine, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndSection, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndLine, SUT.TokenType);
Assert.IsTrue(SUT.Read());
Assert.AreEqual(StepToken.EndSTEP, SUT.TokenType);
Assert.IsFalse(SUT.Read());
}
