private void ExpectState(ODataReaderState expectedState)
{
if (this.reader.State != expectedState)
{
throw System.Data.Services.Client.Error.InternalError(InternalError.UnexpectedReadState);
}
}
/// <summary>
/// Asserts the reader is in the expected state.
/// </summary>
/// <param name="expectedState">The expected state.</param>
private void ExpectState(ODataReaderState expectedState)
{
if (this.reader.State != expectedState)
{
throw DSClient.Error.InternalError(InternalError.UnexpectedReadState);
}
}
internal Scope(ODataReaderState state, ODataItem item, IEdmNavigationSource navigationSource, IEdmStructuredType expectedResourceType, ODataUri odataUri)
{
Debug.Assert(
state == ODataReaderState.Exception && item == null ||
state == ODataReaderState.ResourceStart && (item == null || item is ODataResource) ||
state == ODataReaderState.ResourceEnd && (item is ODataResource || item == null) ||
state == ODataReaderState.Primitive && (item == null || item is ODataPrimitiveValue) ||
state == ODataReaderState.ResourceSetStart && item is ODataResourceSet ||
state == ODataReaderState.ResourceSetEnd && item is ODataResourceSet ||
state == ODataReaderState.NestedResourceInfoStart && item is ODataNestedResourceInfo ||
state == ODataReaderState.NestedResourceInfoEnd && item is ODataNestedResourceInfo ||
state == ODataReaderState.EntityReferenceLink && item is ODataEntityReferenceLink ||
state == ODataReaderState.DeletedResourceStart && (item == null || item is ODataDeletedResource) ||
state == ODataReaderState.DeletedResourceEnd && (item is ODataDeletedResource || item == null) ||
state == ODataReaderState.DeltaResourceSetStart && item is ODataDeltaResourceSet ||
state == ODataReaderState.DeltaResourceSetEnd && item is ODataDeltaResourceSet ||
state == ODataReaderState.DeltaLink && (item == null || item is ODataDeltaLink) ||
state == ODataReaderState.DeltaDeletedLink && (item == null || item is ODataDeltaDeletedLink) ||
state == ODataReaderState.Start && item == null ||
state == ODataReaderState.Completed && item == null,
"Reader state and associated item do not match.");
this.state = state;
this.item = item;
this.ResourceType = expectedResourceType;
this.NavigationSource = navigationSource;
this.odataUri = odataUri;
}
internal Scope(ODataReaderState state, ODataItem item, ODataUri odataUri)
{
Debug.Assert(
state == ODataReaderState.Exception && item == null ||
state == ODataReaderState.ResourceStart && (item == null || item is ODataResource) ||
state == ODataReaderState.ResourceEnd && (item is ODataResource || item == null) ||
state == ODataReaderState.Primitive && (item == null || item is ODataPrimitiveValue || item is ODataNullValue) ||
state == ODataReaderState.Stream && (item == null || item is ODataStreamItem) ||
state == ODataReaderState.NestedProperty && (item == null || item is ODataPropertyInfo) ||
state == ODataReaderState.ResourceSetStart && item is ODataResourceSet ||
state == ODataReaderState.ResourceSetEnd && item is ODataResourceSet ||
state == ODataReaderState.NestedResourceInfoStart && item is ODataNestedResourceInfo ||
state == ODataReaderState.NestedResourceInfoEnd && item is ODataNestedResourceInfo ||
state == ODataReaderState.EntityReferenceLink && item is ODataEntityReferenceLink ||
state == ODataReaderState.DeletedResourceStart && (item == null || item is ODataDeletedResource) ||
state == ODataReaderState.DeletedResourceEnd && (item is ODataDeletedResource || item == null) ||
state == ODataReaderState.DeltaResourceSetStart && item is ODataDeltaResourceSet ||
state == ODataReaderState.DeltaResourceSetEnd && item is ODataDeltaResourceSet ||
state == ODataReaderState.DeltaLink && (item == null || item is ODataDeltaLink) ||
state == ODataReaderState.DeltaDeletedLink && (item == null || item is ODataDeltaDeletedLink) ||
state == ODataReaderState.Start && item == null ||
state == ODataReaderState.Completed && item == null,
"Reader state and associated item do not match.");
this.state = state;
this.item = item;
this.odataUri = odataUri;
}
protected void PopScope(ODataReaderState state)
{
Debug.Assert(this.scopes.Count > 1, "Stack must have more than 1 items in order to pop an item.");
Scope scope = this.scopes.Pop();
Debug.Assert(scope.State == state, "scope.State == state");
}
public ODataVCardReader(VCardInputContext inputContext)
{
Debug.Assert(inputContext != null, "inputContext != null");
this.reader = inputContext.VCardReader;
this.item = null;
this.state = ODataReaderState.Start;
this.throwExceptionOnDuplicatedPropertyNames = inputContext.ThrowExceptionOnDuplicatedPropertyNames;
}
private bool ReadResourceFromRecord(object record)
{
this.item = ODataAvroConvert.ToODataEntry(record as AvroRecord);
if (record == null)
{
this.state = ODataReaderState.Exception;
return(false);
}
return(true);
}
public bool Read()
{
if (this.feedEntries != null)
{
if (this.feedEntries.MoveNext())
{
this.currentEntry = this.feedEntries.Current;
return(true);
}
this.feedEntries = null;
this.currentEntry = null;
}
ODataReaderState state = this.reader.State;
switch (state)
{
case ODataReaderState.Start:
ODataFeed feed;
MaterializerEntry entry;
if (!this.TryReadFeedOrEntry(true, out feed, out entry))
{
throw new NotImplementedException();
}
this.currentEntry = (entry != null) ? entry.Entry : null;
this.currentFeed = feed;
if (this.currentFeed != null)
{
this.feedEntries = MaterializerFeed.GetFeed(this.currentFeed).Entries.GetEnumerator();
}
return(true);
case ODataReaderState.FeedStart:
case ODataReaderState.EntryStart:
break;
case ODataReaderState.FeedEnd:
case ODataReaderState.EntryEnd:
if (this.TryRead() || (this.reader.State != ODataReaderState.Completed))
{
throw System.Data.Services.Client.Error.InternalError(InternalError.UnexpectedReadState);
}
this.currentEntry = null;
return(false);
default:
if (state != ODataReaderState.Completed)
{
break;
}
this.currentEntry = null;
return(false);
}
throw System.Data.Services.Client.Error.InternalError(InternalError.UnexpectedReadState);
}
public ODataAvroReader(ODataAvroInputContext inputContext, bool readingFeed, object currentObject = null)
{
Debug.Assert(inputContext != null, "inputContext != null");
this.reader = inputContext.AvroReader;
this.readingFeed = readingFeed;
this.currentObject = currentObject;
this.item = null;
this.recordEnumerator = null;
this.state = ODataReaderState.Start;
}
public ODataAvroReader(ODataAvroInputContext inputContext, bool readingFeed, object currentObject = null)
{
Debug.Assert(inputContext != null, "inputContext != null");
this.reader = inputContext.AvroReader;
this.readingFeed = readingFeed;
this.currentObject = currentObject;
this.item = null;
this.recordEnumerator = null;
this.state = ODataReaderState.Start;
}
private bool MoveToNextAndReadResource()
{
if (this.recordEnumerator.MoveNext())
{
this.state = ODataReaderState.ResourceStart;
ReadResourceFromRecord(this.recordEnumerator.Current);
}
else
{
this.state = ODataReaderState.ResourceSetEnd;
}
return(true);
}
internal Scope(ODataReaderState state, ODataItem item, IEdmEntityType expectedEntityType)
{
Debug.Assert(
state == ODataReaderState.Exception && item == null ||
state == ODataReaderState.EntryStart && (item == null || item is ODataEntry) ||
state == ODataReaderState.EntryEnd && (item == null || item is ODataEntry) ||
state == ODataReaderState.FeedStart && item is ODataFeed ||
state == ODataReaderState.FeedEnd && item is ODataFeed ||
state == ODataReaderState.NavigationLinkStart && item is ODataNavigationLink ||
state == ODataReaderState.NavigationLinkEnd && item is ODataNavigationLink ||
state == ODataReaderState.EntityReferenceLink && item is ODataEntityReferenceLink ||
state == ODataReaderState.Start && item == null ||
state == ODataReaderState.Completed && item == null,
"Reader state and associated item do not match.");
this.state = state;
this.item = item;
this.EntityType = expectedEntityType;
}
private bool DefaultRead()
{
if (this.enumerator == null)
{
this.enumerator = this.items.GetEnumerator();
}
bool hasRead = this.enumerator.MoveNext();
if (hasRead)
{
this.currentState = this.enumerator.Current.State;
this.currentItem = this.enumerator.Current.Item;
}
else
{
this.currentState = ODataReaderState.Completed;
this.currentItem = null;
}
return hasRead;
}
private bool DefaultRead()
{
if (this.enumerator == null)
{
this.enumerator = this.items.GetEnumerator();
}
bool hasRead = this.enumerator.MoveNext();
if (hasRead)
{
this.currentState = this.enumerator.Current.State;
this.currentItem = this.enumerator.Current.Item;
}
else
{
this.currentState = ODataReaderState.Completed;
this.currentItem = null;
}
return(hasRead);
}
private void EnterScope(ODataReaderState state, ODataItem item, IEdmEntityType expectedEntityType)
{
base.EnterScope(new JsonScope(state, item, expectedEntityType));
}
public override bool Read()
{
switch (this.state)
{
case ODataReaderState.Start:
List <VCardItem> items = new List <VCardItem>();
this.reader.Read();
this.reader.Read();
while (this.reader.State == VCardReaderState.Item)
{
VCardItem vCardItem = new VCardItem()
{
Name = this.reader.Name,
Value = this.reader.Value,
Groups = this.reader.Groups,
};
if (this.reader.Params != null)
{
vCardItem.Params = new Dictionary <string, string>();
foreach (string param in this.reader.Params.Split(';'))
{
int idx = param.IndexOf('=');
if (idx >= 0)
{
// need to care about when = appear in last.
vCardItem.Params.Add(param.Substring(0, idx), param.Substring(idx + 1));
}
else
{
if (vCardItem.Params.ContainsKey("TYPE"))
{
vCardItem.Params["TYPE"] = vCardItem.Params["TYPE"] + ";" + param;
}
else
{
vCardItem.Params.Add("TYPE", param);
}
}
}
}
items.Add(vCardItem);
this.reader.Read();
}
Debug.Assert(this.reader.State == VCardReaderState.End);
this.item = GetEntryFromItems(items);
this.state = ODataReaderState.ResourceEnd;
break;
case ODataReaderState.ResourceEnd:
this.state = ODataReaderState.Completed;
return(false);
default:
throw new ApplicationException("Invalid state");
}
return(true);
}
/// <summary>
/// Reads from the reader and asserts the reader is in the expected state.
/// </summary>
/// <param name="expectedState">The expected state.</param>
private void ReadAndExpectState(ODataReaderState expectedState)
{
this.AssertRead();
this.ExpectState(expectedState);
}
protected void PopScope(ODataReaderState state)
{
this.scopes.Pop();
}
private void EnterScope(ODataReaderState state, ODataItem item, IEdmEntityType expectedEntityType)
{
base.EnterScope(new AtomScope(state, item, expectedEntityType));
}
private void ReplaceScope(ODataReaderState state)
{
base.ReplaceScope(new AtomScope(state, this.Item, base.CurrentEntityType));
}
private void WriteEnd(ODataWriter writer, ODataReaderState expectedState)
{
this.expectedStates.Add(expectedState);
writer.WriteEnd();
writer.Flush();
}
/// <summary>
/// Replaces the current scope with a new <see cref="AtomScope"/> with the specified <paramref name="state"/> and
/// the item of the current scope.
/// </summary>
/// <param name="state">The <see cref="ODataReaderState"/> to use for the new scope.</param>
private void ReplaceScope(ODataReaderState state)
{
this.ReplaceScope(new AtomScope(state, this.Item, this.CurrentEntityType));
}
/// <summary>
/// Reads from the reader and asserts the reader is in the expected state.
/// </summary>
/// <param name="expectedState">The expected state.</param>
private void ReadAndExpectState(ODataReaderState expectedState)
{
this.AssertRead();
this.ExpectState(expectedState);
}
/// <summary>
/// Constructor creating a new reader scope.
/// </summary>
/// <param name="readerState">The reader state of the new scope that is being created.</param>
/// <param name="entry">The item attached to this scope.</param>
/// <param name="navigationSource">The navigation source we are going to read entities for.</param>
/// <param name="expectedEntityType">The expected type for the scope.</param>
/// <param name="duplicatePropertyNamesChecker">The duplicate property names checker for this entry scope.</param>
/// <param name="selectedProperties">The selected properties node capturing what properties should be expanded during template evaluation.</param>
/// <param name="odataUri">The odataUri parsed based on the context uri for current scope</param>
/// <remarks>The <paramref name="expectedEntityType"/> has the following meaning
/// it's the expected base type of the entry. If the entry has no type name specified
/// this type will be assumed. Otherwise the specified type name must be
/// the expected type or a more derived type.
/// In all cases the specified type must be an entity type.</remarks>
internal JsonLightEntryScope(
ODataReaderState readerState,
ODataEntry entry,
IEdmNavigationSource navigationSource,
IEdmEntityType expectedEntityType,
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker,
SelectedPropertiesNode selectedProperties,
ODataUri odataUri)
: base(readerState, entry, navigationSource, expectedEntityType, odataUri)
{
Debug.Assert(
readerState == ODataReaderState.EntryStart || readerState == ODataReaderState.EntryEnd,
"readerState == ODataReaderState.EntryStart || readerState == ODataReaderState.EntryEnd");
this.DuplicatePropertyNamesChecker = duplicatePropertyNamesChecker;
this.SelectedProperties = selectedProperties;
}
/// <summary>
/// Replaces the current scope with a new scope with the specified <paramref name="state"/> and
/// the item of the current scope.
/// </summary>
/// <param name="state">The <see cref="ODataReaderState"/> to use for the new scope.</param>
private void ReplaceScope(ODataReaderState state)
{
this.ReplaceScope(new Scope(state, this.Item, this.CurrentNavigationSource, this.CurrentEntityType, this.CurrentScope.ODataUri));
}
internal Scope(ODataReaderState state, ODataItem item, IEdmEntityType expectedEntityType)
{
this.state = state;
this.item = item;
this.EntityType = expectedEntityType;
}
private void ReplaceScope(ODataReaderState state)
{
base.ReplaceScope(new JsonScope(state, this.Item, base.CurrentEntityType));
}
internal JsonScope(ODataReaderState state, ODataItem item, IEdmEntityType expectedEntityType) : base(state, item, expectedEntityType)
{
}
internal Scope(ODataReaderState state, ODataItem item, IEdmNavigationSource navigationSource, IEdmTypeReference expectedResourceTypeReference, ODataUri odataUri)
: this(state, item, odataUri)
{
this.NavigationSource = navigationSource;
this.ResourceTypeReference = expectedResourceTypeReference;
}
internal AtomScope(ODataReaderState state, ODataItem item, IEdmEntityType expectedEntityType) : base(state, item, expectedEntityType)
{
}
public override bool Read()
{
switch (this.state)
{
case ODataReaderState.Start:
if (this.currentObject == null)
{
if (!this.reader.MoveNext())
{
this.state = ODataReaderState.Exception;
return false;
}
this.currentObject = this.reader.Current;
}
this.state = readingFeed
? ODataReaderState.FeedStart
: ODataReaderState.EntryStart;
break;
case ODataReaderState.FeedStart:
this.item = new ODataFeed();
var objs = this.currentObject as object[];
if (objs == null)
{
this.state = ODataReaderState.Exception;
return false;
}
this.recordEnumerator = objs.GetEnumerator();
this.state = (this.recordEnumerator.MoveNext())
? ODataReaderState.EntryStart
: ODataReaderState.FeedEnd;
break;
case ODataReaderState.FeedEnd:
this.state = ODataReaderState.Completed;
return false;
case ODataReaderState.EntryStart:
var record = (this.readingFeed ? this.recordEnumerator.Current : this.currentObject) as AvroRecord;
if (record == null)
{
this.state = ODataReaderState.Exception;
return false;
}
this.item = ODataAvroConvert.ToODataEntry(record);
this.state = ODataReaderState.EntryEnd;
return true;
case ODataReaderState.EntryEnd:
if (!readingFeed)
{
this.state = ODataReaderState.Completed;
return false;
}
this.state = this.recordEnumerator.MoveNext()
? ODataReaderState.EntryStart
: ODataReaderState.FeedEnd;
break;
default:
throw new ApplicationException("Invalid state");
}
return true;
}
public TestODataReader()
{
this.items = new List<TestODataReaderItem>();
this.currentState = ODataReaderState.Start;
this.ReadFunc = this.DefaultRead;
}
private void ExpectState(ODataReaderState expectedState)
{
if (this.reader.State != expectedState)
{
throw System.Data.Services.Client.Error.InternalError(InternalError.UnexpectedReadState);
}
}
/// <summary>
/// Constructor creating a new reader scope.
/// </summary>
/// <param name="state">The reader state of this scope.</param>
/// <param name="item">The item attached to this scope.</param>
/// <param name="navigationSource">The navigation source we are going to read entities for.</param>
/// <param name="expectedResourceType">The expected resource type for the scope.</param>
/// <param name="odataUri">The odataUri parsed based on the context uri for current scope</param>
internal StreamScope(ODataReaderState state, ODataItem item, IEdmNavigationSource navigationSource, IEdmTypeReference expectedResourceType, ODataUri odataUri)
: base(state, item, navigationSource, expectedResourceType, odataUri)
{
this.StreamingState = StreamingState.None;
}
/// <summary>
/// Creates a new <see cref="AtomScope"/> for the specified <paramref name="state"/> and
/// with the provided <paramref name="item"/> and pushes it on the stack of scopes.
/// </summary>
/// <param name="state">The <see cref="ODataReaderState"/> to use for the new scope.</param>
/// <param name="item">The item to attach with the state in the new scope.</param>
/// <param name="expectedEntityType">The expected type for the new scope.</param>
private void EnterScope(ODataReaderState state, ODataItem item, IEdmEntityType expectedEntityType)
{
this.EnterScope(new AtomScope(state, item, expectedEntityType));
}
public override bool Read()
{
switch (this.state)
{
case ODataReaderState.Start:
if (this.currentObject == null)
{
if (!this.reader.MoveNext())
{
this.state = ODataReaderState.Exception;
return(false);
}
this.currentObject = this.reader.Current;
}
this.state = readingFeed
? ODataReaderState.FeedStart
: ODataReaderState.EntryStart;
break;
case ODataReaderState.FeedStart:
this.item = new ODataFeed();
var objs = this.currentObject as object[];
if (objs == null)
{
this.state = ODataReaderState.Exception;
return(false);
}
this.recordEnumerator = objs.GetEnumerator();
this.state = (this.recordEnumerator.MoveNext())
? ODataReaderState.EntryStart
: ODataReaderState.FeedEnd;
break;
case ODataReaderState.FeedEnd:
this.state = ODataReaderState.Completed;
return(false);
case ODataReaderState.EntryStart:
var record = (this.readingFeed ? this.recordEnumerator.Current : this.currentObject) as AvroRecord;
if (record == null)
{
this.state = ODataReaderState.Exception;
return(false);
}
this.item = ODataAvroConvert.ToODataEntry(record);
this.state = ODataReaderState.EntryEnd;
return(true);
case ODataReaderState.EntryEnd:
if (!readingFeed)
{
this.state = ODataReaderState.Completed;
return(false);
}
this.state = this.recordEnumerator.MoveNext()
? ODataReaderState.EntryStart
: ODataReaderState.FeedEnd;
break;
default:
throw new ApplicationException("Invalid state");
}
return(true);
}
public override bool Read()
{
switch (this.state)
{
case ODataReaderState.Start:
if (this.currentObject == null)
{
if (!this.reader.MoveNext())
{
this.state = ODataReaderState.Exception;
return(false);
}
this.currentObject = this.reader.Current;
}
if (readingFeed)
{
this.state = ODataReaderState.ResourceSetStart;
}
else
{
this.state = ODataReaderState.ResourceStart;
var record = this.currentObject as AvroRecord;
return(ReadResourceFromRecord(this.currentObject));
}
break;
case ODataReaderState.ResourceSetStart:
{
this.item = new ODataResourceSet();
scopes.Push(this.item);
var objs = this.currentObject as object[];
if (objs == null)
{
this.state = ODataReaderState.Exception;
return(false);
}
this.recordEnumerator = objs.GetEnumerator();
return(MoveToNextAndReadResource());
}
case ODataReaderState.ResourceSetEnd:
this.state = ODataReaderState.Completed;
return(false);
case ODataReaderState.ResourceStart:
{
var nestedInfo = this.scopes.Count > 0 ? this.scopes.Peek() as ODataNestedResourceInfo : null;
this.scopes.Push(this.item);
if (nestedInfo != null)
{
this.state = ODataReaderState.ResourceEnd;
return(true);
}
var record = (this.readingFeed ? this.recordEnumerator.Current : this.currentObject) as AvroRecord;
nestedInfo = ODataAvroConvert.GetNestedResourceInfo(record);
if (nestedInfo != null)
{
this.item = nestedInfo;
this.state = ODataReaderState.NestedResourceInfoStart;
}
else
{
this.state = ODataReaderState.ResourceEnd;
}
return(true);
}
case ODataReaderState.ResourceEnd:
{
this.scopes.Pop();
var nestedInfo = this.scopes.Count > 0 ? this.scopes.Peek() as ODataNestedResourceInfo : null;
if (nestedInfo != null)
{
this.item = nestedInfo;
this.state = ODataReaderState.NestedResourceInfoEnd;
return(true);
}
if (!readingFeed)
{
this.state = ODataReaderState.Completed;
return(false);
}
return(MoveToNextAndReadResource());
}
case ODataReaderState.NestedResourceInfoStart:
{
this.scopes.Push(this.item);
var record = (this.readingFeed ? this.recordEnumerator.Current : this.currentObject) as AvroRecord;
var nestedInfo = this.item as ODataNestedResourceInfo;
this.item = ODataAvroConvert.ToODataEntry(record, nestedInfo.Name);
this.state = ODataReaderState.ResourceStart;
}
break;
case ODataReaderState.NestedResourceInfoEnd:
this.scopes.Pop();
this.item = this.scopes.Peek();
this.state = ODataReaderState.ResourceEnd;
break;
default:
throw new ApplicationException("Invalid state");
}
return(true);
}
public TestODataReader()
{
this.items = new List <TestODataReaderItem>();
this.currentState = ODataReaderState.Start;
this.ReadFunc = this.DefaultRead;
}
private void WriteEnd(ODataWriter writer, ODataReaderState expectedState)
{
this.expectedStates.Add(expectedState);
writer.WriteEnd();
writer.Flush();
}
public TestODataReaderItem(ODataReaderState state, ODataItem item)
{
this.State = state;
this.Item = item;
}
public TestODataReaderItem(ODataReaderState state, ODataItem item)
{
this.State = state;
this.Item = item;
}
/// <summary>
/// Asserts the reader is in the expected state.
/// </summary>
/// <param name="expectedState">The expected state.</param>
private void ExpectState(ODataReaderState expectedState)
{
if (this.reader.State != expectedState)
{
throw DSClient.Error.InternalError(InternalError.UnexpectedReadState);
}
}
/// <summary>
/// Constructor creating a new reader scope.
/// </summary>
/// <param name="state">The reader state of this scope.</param>
/// <param name="item">The item attached to this scope.</param>
/// <param name="expectedEntityType">The expected type for the scope.</param>
/// <remarks>The <paramref name="expectedEntityType"/> has the following meanings for given state:
/// Start - it's the expected base type of the top-level entry or entries in the top-level feed.
/// FeedStart - it's the expected base type of the entries in the feed.
/// note that it might be a more derived type than the base type of the entity set for the feed.
/// EntryStart - it's the expected base type of the entry. If the entry has no type name specified
/// this type will be assumed. Otherwise the specified type name must be
/// the expected type or a more derived type.
/// NavigationLinkStart - it's the expected base type the entries in the expanded link (either the single entry
/// or entries in the expanded feed).
/// In all cases the specified type must be an entity type.</remarks>
internal AtomScope(ODataReaderState state, ODataItem item, IEdmEntityType expectedEntityType)
: base(state, item, /*navigationSource*/ null, expectedEntityType, /*contextUri*/null)
{
}
