// constructors
internal BsonBinaryReaderContext(BsonBinaryReaderContext parentContext, ContextType contextType, int startPosition, int size)
{
this.parentContext = parentContext;
this.contextType = contextType;
this.startPosition = startPosition;
this.size = size;
}
/// <summary>
/// Reads a raw BSON document.
/// </summary>
/// <returns>
/// The raw BSON document.
/// </returns>
public override IByteBuffer ReadRawBsonDocument()
{
if (Disposed)
{
ThrowObjectDisposedException();
}
VerifyBsonType("ReadRawBsonDocument", BsonType.Document);
var slice = _bsonStream.ReadSlice();
if (_context.ContextType == ContextType.JavaScriptWithScope)
{
_context = _context.PopContext(_bsonStream.Position); // JavaScriptWithScope
}
switch (_context.ContextType)
{
case ContextType.Array: State = BsonReaderState.Type; break;
case ContextType.Document: State = BsonReaderState.Type; break;
case ContextType.TopLevel: State = BsonReaderState.Initial; break;
default: throw new BsonInternalException("Unexpected ContextType.");
}
return(slice);
}
// constructors
internal BsonBinaryReaderContext(BsonBinaryReaderContext parentContext, ContextType contextType, int startPosition, int size)
{
this.parentContext = parentContext;
this.contextType = contextType;
this.startPosition = startPosition;
this.size = size;
}
/// <summary>
/// Reads the end of a BSON array from the reader.
/// </summary>
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 == BsonReaderState.Type)
{
ReadBsonType(); // will set state to EndOfArray if at end of array
}
if (state != BsonReaderState.EndOfArray)
{
var message = string.Format("ReadEndArray cannot be called when State is: {0}", state);
throw new InvalidOperationException(message);
}
context = context.PopContext(buffer.Position);
switch (context.ContextType)
{
case ContextType.Array: state = BsonReaderState.Type; break;
case ContextType.Document: state = BsonReaderState.Type; break;
case ContextType.TopLevel: state = BsonReaderState.Done; break;
default: throw new BsonInternalException("Unexpected ContextType");
}
}
/// <summary>
/// Reads the end of a BSON array from the reader.
/// </summary>
public override void ReadEndArray()
{
if (Disposed)
{
ThrowObjectDisposedException();
}
if (_context.ContextType != ContextType.Array)
{
ThrowInvalidContextType("ReadEndArray", _context.ContextType, ContextType.Array);
}
if (State == BsonReaderState.Type)
{
ReadBsonType(); // will set state to EndOfArray if at end of array
}
if (State != BsonReaderState.EndOfArray)
{
ThrowInvalidState("ReadEndArray", BsonReaderState.EndOfArray);
}
_context = _context.PopContext(_bsonStream.Position);
switch (_context.ContextType)
{
case ContextType.Array: State = BsonReaderState.Type; break;
case ContextType.Document: State = BsonReaderState.Type; break;
case ContextType.TopLevel: State = BsonReaderState.Initial; break;
default: throw new BsonInternalException("Unexpected ContextType.");
}
}
/// <summary>
/// Reads the end of a BSON document from the reader.
/// </summary>
public override void ReadEndDocument()
{
if (disposed)
{
ThrowObjectDisposedException();
}
if (context.ContextType != ContextType.Document && context.ContextType != ContextType.ScopeDocument)
{
ThrowInvalidContextType("ReadEndDocument", context.ContextType, ContextType.Document, ContextType.ScopeDocument);
}
if (state == BsonReaderState.Type)
{
ReadBsonType(); // will set state to EndOfDocument if at end of document
}
if (state != BsonReaderState.EndOfDocument)
{
ThrowInvalidState("ReadEndDocument", BsonReaderState.EndOfDocument);
}
context = context.PopContext(buffer.Position);
if (context != null && context.ContextType == ContextType.JavaScriptWithScope)
{
context = context.PopContext(buffer.Position); // JavaScriptWithScope
}
switch (context.ContextType)
{
case ContextType.Array: state = BsonReaderState.Type; break;
case ContextType.Document: state = BsonReaderState.Type; break;
case ContextType.TopLevel: state = BsonReaderState.Done; break;
default: throw new BsonInternalException("Unexpected ContextType.");
}
}
/// <summary>
/// Reads the end of a BSON document from the reader.
/// </summary>
public override void ReadEndDocument()
{
if (Disposed)
{
ThrowObjectDisposedException();
}
if (_context.ContextType != ContextType.Document && _context.ContextType != ContextType.ScopeDocument)
{
ThrowInvalidContextType("ReadEndDocument", _context.ContextType, ContextType.Document, ContextType.ScopeDocument);
}
if (State == BsonReaderState.Type)
{
ReadBsonType(); // will set state to EndOfDocument if at end of document
}
if (State != BsonReaderState.EndOfDocument)
{
ThrowInvalidState("ReadEndDocument", BsonReaderState.EndOfDocument);
}
_context = _context.PopContext(_bsonStream.Position);
if (_context.ContextType == ContextType.JavaScriptWithScope)
{
_context = _context.PopContext(_bsonStream.Position); // JavaScriptWithScope
}
switch (_context.ContextType)
{
case ContextType.Array: State = BsonReaderState.Type; break;
case ContextType.Document: State = BsonReaderState.Type; break;
case ContextType.TopLevel: State = BsonReaderState.Initial; break;
default: throw new BsonInternalException("Unexpected ContextType.");
}
}
/// <summary>
/// Returns the reader to previously bookmarked position and state.
/// </summary>
/// <param name="bookmark">The bookmark.</param>
public override void ReturnToBookmark(BsonReaderBookmark bookmark)
{
var binaryReaderBookmark = (BsonBinaryReaderBookmark)bookmark;
State = binaryReaderBookmark.State;
CurrentBsonType = binaryReaderBookmark.CurrentBsonType;
CurrentName = binaryReaderBookmark.CurrentName;
_context = binaryReaderBookmark.CloneContext();
_bsonStream.Position = binaryReaderBookmark.Position;
}
public BsonBinaryReader(
BsonBuffer buffer,
BsonBinaryReaderSettings settings
) {
this.buffer = buffer ?? new BsonBuffer();
this.disposeBuffer = buffer == null; // only call Dispose if we allocated the buffer
this.settings = settings;
context = null;
}
/// <summary>
/// Returns the reader to previously bookmarked position and state.
/// </summary>
/// <param name="bookmark">The bookmark.</param>
public override void ReturnToBookmark(BsonReaderBookmark bookmark)
{
var binaryReaderBookmark = (BsonBinaryReaderBookmark)bookmark;
state = binaryReaderBookmark.State;
currentBsonType = binaryReaderBookmark.CurrentBsonType;
currentName = binaryReaderBookmark.CurrentName;
context = binaryReaderBookmark.CloneContext();
buffer.Position = binaryReaderBookmark.Position;
}
/// <summary>
/// Reads the start of a BSON array.
/// </summary>
public override void ReadStartArray()
{
if (Disposed) { ThrowObjectDisposedException(); }
VerifyBsonType("ReadStartArray", BsonType.Array);
var startPosition = _bsonStream.Position; // position of size field
var size = ReadSize();
_context = new BsonBinaryReaderContext(_context, ContextType.Array, startPosition, size);
State = BsonReaderState.Type;
}
// constructors
internal BsonBinaryReaderBookmark(
BsonReaderState state,
BsonType currentBsonType,
string currentName,
BsonBinaryReaderContext context,
int position)
: base(state, currentBsonType, currentName)
{
_context = context.Clone();
_position = position;
}
// constructors
internal BsonBinaryReaderBookmark(
BsonReaderState state,
BsonType currentBsonType,
string currentName,
BsonBinaryReaderContext context,
int position)
: base(state, currentBsonType, currentName)
{
_context = context.Clone();
_position = position;
}
public BsonBinaryReader(
BsonBuffer buffer,
BsonBinaryReaderSettings settings
) {
this.buffer = buffer ?? new BsonBuffer();
this.disposeBuffer = buffer == null; // only call Dispose if we allocated the buffer
this.settings = settings;
context = null;
state = BsonReadState.Initial;
currentBsonType = BsonType.Document;
}
/// <summary>
/// Reads the start of a BSON document.
/// </summary>
public override void ReadStartDocument()
{
if (Disposed) { ThrowObjectDisposedException(); }
VerifyBsonType("ReadStartDocument", BsonType.Document);
var contextType = (State == BsonReaderState.ScopeDocument) ? ContextType.ScopeDocument : ContextType.Document;
var startPosition = _bsonStream.Position; // position of size field
var size = ReadSize();
_context = new BsonBinaryReaderContext(_context, contextType, startPosition, size);
State = BsonReaderState.Type;
}
// constructors
internal BsonBinaryReaderContext(
BsonBinaryReaderContext parentContext,
ContextType contextType,
int startPosition,
int size)
{
_parentContext = parentContext;
_contextType = contextType;
_startPosition = startPosition;
_size = size;
}
// constructors
internal BsonBinaryReaderContext(
BsonBinaryReaderContext parentContext,
ContextType contextType,
int startPosition,
int size)
{
_parentContext = parentContext;
_contextType = contextType;
_startPosition = startPosition;
_size = size;
}
internal BsonBinaryReaderBookmark(
BsonBinaryReaderContext context,
BsonReadState state,
BsonType currentBsonType,
int position
)
{
this.context = context;
this.state = state;
this.currentBsonType = currentBsonType;
this.position = position;
}
/// <summary>
/// Reads a BSON JavaScript with scope from the reader (call ReadStartDocument next to read the scope).
/// </summary>
/// <returns>A string.</returns>
public override string ReadJavaScriptWithScope()
{
if (Disposed) { ThrowObjectDisposedException(); }
VerifyBsonType("ReadJavaScriptWithScope", BsonType.JavaScriptWithScope);
var startPosition = _bsonStream.Position; // position of size field
var size = ReadSize();
_context = new BsonBinaryReaderContext(_context, ContextType.JavaScriptWithScope, startPosition, size);
var code = _bsonStream.ReadString(_settings.Encoding);
State = BsonReaderState.ScopeDocument;
return code;
}
/// <summary>
/// Initializes a new instance of the BsonBinaryReader class.
/// <param name="buffer">A BsonBuffer.</param>
/// <param name="settings">A BsonBinaryReaderSettings.</param>
/// </summary>
public BsonBinaryReader(
BsonBuffer buffer,
BsonBinaryReaderSettings settings
) {
if (buffer == null) {
this.buffer = new BsonBuffer();
this.disposeBuffer = true; // only call Dispose if we allocated the buffer
} else {
this.buffer = buffer;
this.disposeBuffer = false;
}
this.settings = settings.Freeze();
context = new BsonBinaryReaderContext(null, ContextType.TopLevel, 0, 0);
}
/// <summary>
/// Initializes a new instance of the BsonBinaryReader class.
/// </summary>
/// <param name="buffer">A BsonBuffer.</param>
/// <param name="disposeBuffer">if set to <c>true</c> this BsonBinaryReader will own the buffer and when Dispose is called the buffer will be Disposed also.</param>
/// <param name="settings">A BsonBinaryReaderSettings.</param>
/// <exception cref="System.ArgumentNullException">
/// buffer
/// or
/// settings
/// </exception>
public BsonBinaryReader(BsonBuffer buffer, bool disposeBuffer, BsonBinaryReaderSettings settings)
: base(settings)
{
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
_buffer = buffer;
_disposeBuffer = disposeBuffer;
_binaryReaderSettings = settings; // already frozen by base class
_context = new BsonBinaryReaderContext(null, ContextType.TopLevel, 0, 0);
}
// constructors
/// <summary>
/// Initializes a new instance of the BsonBinaryReader class.
/// </summary>
/// <param name="buffer">A BsonBuffer.</param>
/// <param name="settings">A BsonBinaryReaderSettings.</param>
public BsonBinaryReader(BsonBuffer buffer, BsonBinaryReaderSettings settings)
: base(settings)
{
if (buffer == null)
{
this.buffer = new BsonBuffer();
this.disposeBuffer = true; // only call Dispose if we allocated the buffer
}
else
{
this.buffer = buffer;
this.disposeBuffer = false;
}
this.settings = settings; // already frozen by base class
context = new BsonBinaryReaderContext(null, ContextType.TopLevel, 0, 0);
}
// constructors
/// <summary>
/// Initializes a new instance of the BsonBinaryReader class.
/// </summary>
/// <param name="buffer">A BsonBuffer.</param>
/// <param name="settings">A BsonBinaryReaderSettings.</param>
public BsonBinaryReader(BsonBuffer buffer, BsonBinaryReaderSettings settings)
: base(settings)
{
if (buffer == null)
{
_buffer = new BsonBuffer();
_disposeBuffer = true; // only call Dispose if we allocated the buffer
}
else
{
_buffer = buffer;
_disposeBuffer = false;
}
_binaryReaderSettings = settings; // already frozen by base class
_context = new BsonBinaryReaderContext(null, ContextType.TopLevel, 0, 0);
}
/// <summary>
/// Initializes a new instance of the BsonBinaryReader class.
/// </summary>
/// <param name="stream">A stream (BsonBinary does not own the stream and will not Dispose it).</param>
/// <param name="settings">A BsonBinaryReaderSettings.</param>
public BsonBinaryReader(Stream stream, BsonBinaryReaderSettings settings)
: base(settings)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (!stream.CanSeek)
{
throw new ArgumentException("The stream must be capable of seeking.", "stream");
}
_streamReader = new BsonStreamReader(stream, settings.Encoding);
_settings = settings; // already frozen by base class
_context = new BsonBinaryReaderContext(null, ContextType.TopLevel, 0, 0);
}
/// <summary>
/// Initializes a new instance of the BsonBinaryReader class.
/// </summary>
/// <param name="stream">A stream (BsonBinary does not own the stream and will not Dispose it).</param>
/// <param name="settings">A BsonBinaryReaderSettings.</param>
public BsonBinaryReader(Stream stream, BsonBinaryReaderSettings settings)
: base(settings)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (!stream.CanSeek)
{
throw new ArgumentException("The stream must be capable of seeking.", "stream");
}
_baseStream = stream;
_bsonStream = (stream as BsonStream) ?? new BsonStreamAdapter(stream);
_context = new BsonBinaryReaderContext(null, ContextType.TopLevel, 0, 0);
}
/// <summary>
/// Initializes a new instance of the BsonBinaryReader class.
/// </summary>
/// <param name="stream">A stream (BsonBinary does not own the stream and will not Dispose it).</param>
/// <param name="settings">A BsonBinaryReaderSettings.</param>
public BsonBinaryReader(Stream stream, BsonBinaryReaderSettings settings)
: base(settings)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (!stream.CanSeek)
{
throw new ArgumentException("The stream must be capable of seeking.", "stream");
}
_streamReader = new BsonStreamReader(stream, settings.Encoding);
_settings = settings; // already frozen by base class
_context = new BsonBinaryReaderContext(null, ContextType.TopLevel, 0, 0);
}
/// <summary>
/// Reads a BSON JavaScript with scope from the reader (call ReadStartDocument next to read the scope).
/// </summary>
/// <returns>A string.</returns>
public override string ReadJavaScriptWithScope()
{
if (disposed)
{
ThrowObjectDisposedException();
}
VerifyBsonType("ReadJavaScriptWithScope", BsonType.JavaScriptWithScope);
var startPosition = buffer.Position; // position of size field
var size = ReadSize();
context = new BsonBinaryReaderContext(context, ContextType.JavaScriptWithScope, startPosition, size);
var code = buffer.ReadString();
state = BsonReaderState.ScopeDocument;
return(code);
}
private string GenerateDottedElementName(BsonBinaryReaderContext context, string elementName)
{
if (context.ContextType == ContextType.Document)
{
return(GenerateDottedElementName(context.ParentContext, (context.CurrentElementName ?? "?") + "." + elementName));
}
else if (context.ContextType == ContextType.Array)
{
var indexElementName = context.CurrentArrayIndex.ToString(NumberFormatInfo.InvariantInfo);
return(GenerateDottedElementName(context.ParentContext, indexElementName + "." + elementName));
}
else if (context.ParentContext != null)
{
return(GenerateDottedElementName(context.ParentContext, "?." + elementName));
}
else
{
return(elementName);
}
}
public override void ReturnToBookmark(
BsonBinaryReaderBookmark bookmark
) {
context = bookmark.Context;
state = bookmark.State;
currentBsonType = bookmark.CurrentBsonType;
buffer.Position = bookmark.Position;
}
private string GenerateDottedElementName(BsonBinaryReaderContext context, string elementName)
{
if (context.ContextType == ContextType.Document)
{
return GenerateDottedElementName(context.ParentContext, (context.CurrentElementName ?? "?") + "." + elementName);
}
else if (context.ContextType == ContextType.Array)
{
var indexElementName = context.CurrentArrayIndex.ToString(NumberFormatInfo.InvariantInfo);
return GenerateDottedElementName(context.ParentContext, indexElementName + "." + elementName);
}
else if (context.ParentContext != null)
{
return GenerateDottedElementName(context.ParentContext, "?." + elementName);
}
else
{
return elementName;
}
}
/// <summary>
/// Reads the end of a BSON document from the reader.
/// </summary>
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 == BsonReaderState.Type) {
ReadBsonType(); // will set state to EndOfDocument if at end of document
}
if (state != BsonReaderState.EndOfDocument) {
var message = string.Format("ReadEndDocument cannot be called when State is: {0}", state);
throw new InvalidOperationException(message);
}
context = context.PopContext(buffer.Position);
if (context != null && context.ContextType == ContextType.JavaScriptWithScope) {
context = context.PopContext(buffer.Position); // JavaScriptWithScope
}
switch (context.ContextType) {
case ContextType.Array: state = BsonReaderState.Type; break;
case ContextType.Document: state = BsonReaderState.Type; break;
case ContextType.TopLevel: state = BsonReaderState.Done; break;
default: throw new BsonInternalException("Unexpected ContextType");
}
}
/// <summary>
/// Reads the end of a BSON document from the reader.
/// </summary>
public override void ReadEndDocument()
{
if (Disposed) { ThrowObjectDisposedException(); }
if (_context.ContextType != ContextType.Document && _context.ContextType != ContextType.ScopeDocument)
{
ThrowInvalidContextType("ReadEndDocument", _context.ContextType, ContextType.Document, ContextType.ScopeDocument);
}
if (State == BsonReaderState.Type)
{
ReadBsonType(); // will set state to EndOfDocument if at end of document
}
if (State != BsonReaderState.EndOfDocument)
{
ThrowInvalidState("ReadEndDocument", BsonReaderState.EndOfDocument);
}
_context = _context.PopContext(_bsonStream.Position);
if (_context.ContextType == ContextType.JavaScriptWithScope)
{
_context = _context.PopContext(_bsonStream.Position); // JavaScriptWithScope
}
switch (_context.ContextType)
{
case ContextType.Array: State = BsonReaderState.Type; break;
case ContextType.Document: State = BsonReaderState.Type; break;
case ContextType.TopLevel: State = BsonReaderState.Initial; break;
default: throw new BsonInternalException("Unexpected ContextType.");
}
}
/// <summary>
/// Reads a BSON JavaScript with scope from the reader (call ReadStartDocument next to read the scope).
/// </summary>
/// <returns>A string.</returns>
public override string ReadJavaScriptWithScope()
{
if (Disposed) { ThrowObjectDisposedException(); }
VerifyBsonType("ReadJavaScriptWithScope", BsonType.JavaScriptWithScope);
var startPosition = _bsonStream.Position; // position of size field
var size = ReadSize();
_context = new BsonBinaryReaderContext(_context, ContextType.JavaScriptWithScope, startPosition, size);
var code = _bsonStream.ReadString(_settings.Encoding);
State = BsonReaderState.ScopeDocument;
return code;
}
/// <summary>
/// Returns the reader to previously bookmarked position and state.
/// </summary>
/// <param name="bookmark">The bookmark.</param>
public override void ReturnToBookmark(BsonReaderBookmark bookmark)
{
var binaryReaderBookmark = (BsonBinaryReaderBookmark)bookmark;
State = binaryReaderBookmark.State;
CurrentBsonType = binaryReaderBookmark.CurrentBsonType;
CurrentName = binaryReaderBookmark.CurrentName;
_context = binaryReaderBookmark.CloneContext();
_bsonStream.Position = binaryReaderBookmark.Position;
}
/// <summary>
/// Reads the end of a BSON array from the reader.
/// </summary>
public override void ReadEndArray() {
if (disposed) { ThrowObjectDisposedException(); }
if (context.ContextType != ContextType.Array) {
ThrowInvalidContextType("ReadEndArray", context.ContextType, ContextType.Array);
}
if (state == BsonReaderState.Type) {
ReadBsonType(); // will set state to EndOfArray if at end of array
}
if (state != BsonReaderState.EndOfArray) {
ThrowInvalidState("ReadEndArray", BsonReaderState.EndOfArray);
}
context = context.PopContext(buffer.Position);
switch (context.ContextType) {
case ContextType.Array: state = BsonReaderState.Type; break;
case ContextType.Document: state = BsonReaderState.Type; break;
case ContextType.TopLevel: state = BsonReaderState.Done; break;
default: throw new BsonInternalException("Unexpected ContextType.");
}
}
/// <summary>
/// Reads a BSON JavaScript with scope from the reader (call ReadStartDocument next to read the scope).
/// </summary>
/// <returns>A string.</returns>
public override string ReadJavaScriptWithScope() {
if (disposed) { ThrowObjectDisposedException(); }
VerifyBsonType("ReadJavaScriptWithScope", BsonType.JavaScriptWithScope);
var startPosition = buffer.Position; // position of size field
var size = ReadSize();
context = new BsonBinaryReaderContext(context, ContextType.JavaScriptWithScope, startPosition, size);
var code = buffer.ReadString();
state = BsonReaderState.ScopeDocument;
return code;
}
/// <summary>
/// Reads the start of a BSON document.
/// </summary>
public override void ReadStartDocument() {
if (disposed) { ThrowObjectDisposedException(); }
VerifyBsonType("ReadStartDocument", BsonType.Document);
var contextType = (state == BsonReaderState.ScopeDocument) ? ContextType.ScopeDocument : ContextType.Document;
var startPosition = buffer.Position; // position of size field
var size = ReadSize();
context = new BsonBinaryReaderContext(context, contextType, startPosition, size);
state = BsonReaderState.Type;
}
public override void ReadStartDocument() {
if (disposed) { ThrowObjectDisposedException(); }
if (
state != BsonReadState.Initial &&
state != BsonReadState.Done &&
state != BsonReadState.ScopeDocument &&
(state != BsonReadState.Value || currentBsonType != BsonType.Document)
) {
string message = string.Format("ReadStartDocument cannot be called when ReadState is: {0} and BsonType is: {1}", state, currentBsonType);
throw new InvalidOperationException(message);
}
var contextType = (state == BsonReadState.ScopeDocument) ? ContextType.ScopeDocument : ContextType.Document;
var startPosition = buffer.Position; // position of size field
var size = ReadSize();
context = new BsonBinaryReaderContext(context, contextType, startPosition, size);
state = BsonReadState.Type;
}
/// <summary>
/// Reads a raw BSON document.
/// </summary>
/// <returns>
/// The raw BSON document.
/// </returns>
public override IByteBuffer ReadRawBsonDocument()
{
if (Disposed) { ThrowObjectDisposedException(); }
VerifyBsonType("ReadRawBsonDocument", BsonType.Document);
var slice = ReadSlice();
if (_context.ContextType == ContextType.JavaScriptWithScope)
{
_context = _context.PopContext(_streamReader.Position); // JavaScriptWithScope
}
switch (_context.ContextType)
{
case ContextType.Array: State = BsonReaderState.Type; break;
case ContextType.Document: State = BsonReaderState.Type; break;
case ContextType.TopLevel: State = BsonReaderState.Done; break;
default: throw new BsonInternalException("Unexpected ContextType.");
}
return slice;
}
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 && buffer.PeekByte() == 0) {
buffer.Skip(1); // automatically advance to EndOfDocument state
state = BsonReadState.EndOfDocument;
}
if (state != BsonReadState.EndOfDocument) {
var message = string.Format("ReadEndArray cannot be called when ReadState is: {0}", state);
throw new InvalidOperationException(message);
}
context = context.PopContext(buffer.Position);
state = BsonReadState.Type;
}
/// <summary>
/// Reads the end of a BSON document from the reader.
/// </summary>
public override void ReadEndDocument() {
if (disposed) { ThrowObjectDisposedException(); }
if (
context.ContextType != ContextType.Document &&
context.ContextType != ContextType.ScopeDocument
) {
ThrowInvalidContextType("ReadEndDocument", context.ContextType, ContextType.Document, ContextType.ScopeDocument);
}
if (state == BsonReaderState.Type) {
ReadBsonType(); // will set state to EndOfDocument if at end of document
}
if (state != BsonReaderState.EndOfDocument) {
ThrowInvalidState("ReadEndDocument", BsonReaderState.EndOfDocument);
}
context = context.PopContext(buffer.Position);
if (context != null && context.ContextType == ContextType.JavaScriptWithScope) {
context = context.PopContext(buffer.Position); // JavaScriptWithScope
}
switch (context.ContextType) {
case ContextType.Array: state = BsonReaderState.Type; break;
case ContextType.Document: state = BsonReaderState.Type; break;
case ContextType.TopLevel: state = BsonReaderState.Done; break;
default: throw new BsonInternalException("Unexpected ContextType.");
}
}
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 && buffer.PeekByte() == 0) {
buffer.Skip(1); // automatically advance to EndOfDocument state
state = BsonReadState.EndOfDocument;
}
if (state != BsonReadState.EndOfDocument) {
var message = string.Format("ReadEndDocument cannot be called when ReadState is: {0}", state);
throw new InvalidOperationException(message);
}
context = context.PopContext(buffer.Position);
if (context != null && context.ContextType == ContextType.JavaScriptWithScope) {
context = context.PopContext(buffer.Position); // JavaScriptWithScope
}
state = (context == null) ? BsonReadState.Done : BsonReadState.Type;
}
/// <summary>
/// Reads the start of a BSON array.
/// </summary>
public override void ReadStartArray() {
if (disposed) { ThrowObjectDisposedException(); }
VerifyBsonType("ReadStartArray", BsonType.Array);
var startPosition = buffer.Position; // position of size field
var size = ReadSize();
context = new BsonBinaryReaderContext(context, ContextType.Array, startPosition, size);
state = BsonReaderState.Type;
}
public override void ReadStartArray() {
if (disposed) { ThrowObjectDisposedException(); }
if (state != BsonReadState.Value || currentBsonType != BsonType.Array) {
string message = string.Format("ReadStartArray cannot be called when ReadState is: {0} and BsonType is: {1}", state, currentBsonType);
throw new InvalidOperationException(message);
}
var startPosition = buffer.Position; // position of size field
var size = ReadSize();
context = new BsonBinaryReaderContext(context, ContextType.Array, startPosition, size);
state = BsonReadState.Type;
}
/// <summary>
/// Returns the reader to previously bookmarked position and state.
/// </summary>
/// <param name="bookmark">The bookmark.</param>
public override void ReturnToBookmark(
BsonReaderBookmark bookmark
) {
var binaryReaderBookmark = (BsonBinaryReaderBookmark) bookmark;
state = binaryReaderBookmark.State;
currentBsonType = binaryReaderBookmark.CurrentBsonType;
currentName = binaryReaderBookmark.CurrentName;
context = binaryReaderBookmark.CloneContext();
buffer.Position = binaryReaderBookmark.Position;
}
public BsonBinaryReaderContext Clone()
{
var clone = new BsonBinaryReaderContext();
clone.parentContext = this.parentContext;
clone.contextType = this.contextType;
clone.startPosition = this.startPosition;
clone.size = this.size;
return clone;
}
