public BsonJsonReader(
BsonJsonBuffer buffer
)
{
this.buffer = buffer;
this.context = new BsonJsonReaderContext(null, ContextType.TopLevel);
}
internal BsonJsonReaderBookmark(
BsonReadState state,
BsonType currentBsonType,
string currentName,
BsonJsonReaderContext context,
JsonToken currentToken,
BsonValue currentValue,
JsonToken pushedToken,
int position
)
: base(state, currentBsonType, currentName)
{
this.context = context.Clone();
this.currentToken = currentToken;
this.currentValue = currentValue;
this.pushedToken = pushedToken;
this.position = position;
}
public override void ReturnToBookmark(
BsonReaderBookmark bookmark
)
{
var jsonReaderBookmark = (BsonJsonReaderBookmark) bookmark;
state = jsonReaderBookmark.State;
currentBsonType = jsonReaderBookmark.CurrentBsonType;
currentName = jsonReaderBookmark.CurrentName;
context = jsonReaderBookmark.Context;
currentToken = jsonReaderBookmark.CurrentToken;
currentValue = jsonReaderBookmark.CurrentValue;
pushedToken = jsonReaderBookmark.PushedToken;
buffer.Position = jsonReaderBookmark.Position;
}
public override void ReadStartDocument()
{
if (disposed) { ThrowObjectDisposedException(); }
VerifyBsonType("ReadStartDocument", BsonType.Document);
context = new BsonJsonReaderContext(context, ContextType.Document);
state = BsonReadState.Type;
}
public override string ReadJavaScriptWithScope()
{
if (disposed) { ThrowObjectDisposedException(); }
VerifyBsonType("ReadJavaScriptWithScope", BsonType.JavaScriptWithScope);
context = new BsonJsonReaderContext(context, ContextType.JavaScriptWithScope);
state = BsonReadState.ScopeDocument;
return currentValue.AsString;
}
public override void ReadEndDocument()
{
if (disposed) { ThrowObjectDisposedException(); }
if (
context.ContextType != ContextType.Document &&
context.ContextType != ContextType.ScopeDocument
) {
var message = string.Format("ReadEndDocument cannot be called when ContextType is: {0}", context.ContextType);
throw new InvalidOperationException(message);
}
if (state == BsonReadState.Type) {
ReadBsonType(); // will set state to EndOfDocument if at end of document
}
if (state != BsonReadState.EndOfDocument) {
var message = string.Format("ReadEndDocument cannot be called when ReadState is: {0}", state);
throw new InvalidOperationException(message);
}
context = context.PopContext();
if (context != null && context.ContextType == ContextType.JavaScriptWithScope) {
context = context.PopContext(); // JavaScriptWithScope
VerifyToken("}"); // outermost closing bracket for JavaScriptWithScope
}
switch (context.ContextType) {
case ContextType.Array: state = BsonReadState.Type; break;
case ContextType.Document: state = BsonReadState.Type; break;
case ContextType.TopLevel: state = BsonReadState.Done; break;
default: throw new BsonInternalException("Unexpected ContextType");
}
}
public override void ReadEndArray()
{
if (disposed) { ThrowObjectDisposedException(); }
if (context.ContextType != ContextType.Array) {
var message = string.Format("ReadEndArray cannot be called when ContextType is: {0}", context.ContextType);
throw new InvalidOperationException(message);
}
if (state == BsonReadState.Type) {
ReadBsonType(); // will set state to EndOfArray if at end of array
}
if (state != BsonReadState.EndOfArray) {
var message = string.Format("ReadEndArray cannot be called when ReadState is: {0}", state);
throw new InvalidOperationException(message);
}
context = context.PopContext();
switch (context.ContextType) {
case ContextType.Array: state = BsonReadState.Type; break;
case ContextType.Document: state = BsonReadState.Type; break;
case ContextType.TopLevel: state = BsonReadState.Done; break;
default: throw new BsonInternalException("Unexpected ContextType");
}
}
