public JsonReader(
JsonBuffer buffer
)
{
this.buffer = buffer;
this.context = new JsonReaderContext(null, ContextType.TopLevel);
}
internal JsonReaderContext(
JsonReaderContext parentContext,
ContextType contextType
) {
this.parentContext = parentContext;
this.contextType = contextType;
}
public JsonReaderContext Clone()
{
var clone = new JsonReaderContext();
clone.parentContext = this.parentContext;
clone.contextType = this.contextType;
return clone;
}
// constructors
/// <summary>
/// Initializes a new instance of the JsonReader class.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="settings">The reader settings.</param>
public JsonReader(JsonBuffer buffer, JsonReaderSettings settings)
: base(settings)
{
_buffer = buffer;
_jsonReaderSettings = settings; // already frozen by base class
_context = new JsonReaderContext(null, ContextType.TopLevel);
}
/// <summary>
/// Initializes a new instance of the JsonReader class.
/// </summary>
/// <param name="buffer">The buffer.</param>
public JsonReader(
JsonBuffer buffer
)
{
this.buffer = buffer;
this.context = new JsonReaderContext(null, ContextType.TopLevel);
}
internal JsonReaderContext(
JsonReaderContext parentContext,
ContextType contextType
)
{
this.parentContext = parentContext;
this.contextType = contextType;
}
/// <summary>
/// Initializes a new instance of the JsonReader class.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="settings">The reader settings.</param>
public JsonReader(
JsonBuffer buffer,
JsonReaderSettings settings
) {
this.buffer = buffer;
this.settings = settings.Freeze();
this.context = new JsonReaderContext(null, ContextType.TopLevel);
}
// constructors
internal JsonReaderBookmark(BsonReaderState state, BsonType currentBsonType, string currentName, JsonReaderContext 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;
}
/// <summary>
/// Initializes a new instance of the JsonReader class.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="settings">The reader settings.</param>
public JsonReader(
JsonBuffer buffer,
JsonReaderSettings settings
)
{
this.buffer = buffer;
this.settings = settings.Freeze();
this.context = new JsonReaderContext(null, ContextType.TopLevel);
}
// constructors
internal JsonReaderBookmark(BsonReaderState state, BsonType currentBsonType, string currentName, JsonReaderContext context, JsonToken currentToken, BsonValue currentValue, JsonToken pushedToken, int position)
: base(state, currentBsonType, currentName)
{
_context = context.Clone();
_currentToken = currentToken;
_currentValue = currentValue;
_pushedToken = pushedToken;
_position = position;
}
/// <summary>
/// Reads the start of a BSON document.
/// </summary>
public override void ReadStartDocument()
{
if (disposed)
{
ThrowObjectDisposedException();
}
VerifyBsonType("ReadStartDocument", BsonType.Document);
context = new JsonReaderContext(context, ContextType.Document);
state = BsonReaderState.Type;
}
/// <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);
context = new JsonReaderContext(context, ContextType.JavaScriptWithScope);
state = BsonReaderState.ScopeDocument;
return(currentValue.AsString);
}
/// <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();
if (context != null && context.ContextType == ContextType.JavaScriptWithScope)
{
context = context.PopContext(); // JavaScriptWithScope
VerifyToken("}"); // outermost closing bracket for 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");
}
if (context.ContextType == ContextType.Array || context.ContextType == ContextType.Document)
{
var commaToken = PopToken();
if (commaToken.Type != JsonTokenType.Comma)
{
PushToken(commaToken);
}
}
}
/// <summary>
/// Returns the reader to previously bookmarked position and state.
/// </summary>
/// <param name="bookmark">The bookmark.</param>
public override void ReturnToBookmark(
BsonReaderBookmark bookmark
)
{
var jsonReaderBookmark = (JsonReaderBookmark)bookmark;
state = jsonReaderBookmark.State;
currentBsonType = jsonReaderBookmark.CurrentBsonType;
currentName = jsonReaderBookmark.CurrentName;
context = jsonReaderBookmark.CloneContext();
currentToken = jsonReaderBookmark.CurrentToken;
currentValue = jsonReaderBookmark.CurrentValue;
pushedToken = jsonReaderBookmark.PushedToken;
buffer.Position = jsonReaderBookmark.Position;
}
/// <summary>
/// Returns the reader to previously bookmarked position and state.
/// </summary>
/// <param name="bookmark">The bookmark.</param>
public override void ReturnToBookmark(
BsonReaderBookmark bookmark
)
{
if (disposed)
{
ThrowObjectDisposedException();
}
var jsonReaderBookmark = (JsonReaderBookmark)bookmark;
state = jsonReaderBookmark.State;
currentBsonType = jsonReaderBookmark.CurrentBsonType;
currentName = jsonReaderBookmark.CurrentName;
context = jsonReaderBookmark.CloneContext();
currentToken = jsonReaderBookmark.CurrentToken;
currentValue = jsonReaderBookmark.CurrentValue;
pushedToken = jsonReaderBookmark.PushedToken;
buffer.Position = jsonReaderBookmark.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)
{
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();
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");
}
if (context.ContextType == ContextType.Array || context.ContextType == ContextType.Document)
{
var commaToken = PopToken();
if (commaToken.Type != JsonTokenType.Comma)
{
PushToken(commaToken);
}
}
}
/// <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();
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.");
}
if (context.ContextType == ContextType.Array || context.ContextType == ContextType.Document)
{
var commaToken = PopToken();
if (commaToken.Type != JsonTokenType.Comma)
{
PushToken(commaToken);
}
}
}
/// <summary>
/// Returns the reader to previously bookmarked position and state.
/// </summary>
/// <param name="bookmark">The bookmark.</param>
public override void ReturnToBookmark(
BsonReaderBookmark bookmark
) {
if (disposed) { ThrowObjectDisposedException(); }
var jsonReaderBookmark = (JsonReaderBookmark) bookmark;
state = jsonReaderBookmark.State;
currentBsonType = jsonReaderBookmark.CurrentBsonType;
currentName = jsonReaderBookmark.CurrentName;
context = jsonReaderBookmark.CloneContext();
currentToken = jsonReaderBookmark.CurrentToken;
currentValue = jsonReaderBookmark.CurrentValue;
pushedToken = jsonReaderBookmark.PushedToken;
buffer.Position = jsonReaderBookmark.Position;
}
/// <summary>
/// Reads the start of a BSON document.
/// </summary>
public override void ReadStartDocument() {
if (disposed) { ThrowObjectDisposedException(); }
VerifyBsonType("ReadStartDocument", BsonType.Document);
context = new JsonReaderContext(context, ContextType.Document);
state = BsonReaderState.Type;
}
/// <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);
context = new JsonReaderContext(context, ContextType.JavaScriptWithScope);
state = BsonReaderState.ScopeDocument;
return currentValue.AsString;
}
/// <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();
if (context != null && context.ContextType == ContextType.JavaScriptWithScope) {
context = context.PopContext(); // JavaScriptWithScope
VerifyToken("}"); // outermost closing bracket for 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");
}
if (context.ContextType == ContextType.Array || context.ContextType == ContextType.Document) {
var commaToken = PopToken();
if (commaToken.Type != JsonTokenType.Comma) {
PushToken(commaToken);
}
}
}
/// <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();
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.");
}
if (context.ContextType == ContextType.Array || context.ContextType == ContextType.Document) {
var commaToken = PopToken();
if (commaToken.Type != JsonTokenType.Comma) {
PushToken(commaToken);
}
}
}
/// <summary>
/// Reads the start of a BSON array.
/// </summary>
public override void ReadStartArray()
{
if (_disposed) { ThrowObjectDisposedException(); }
VerifyBsonType("ReadStartArray", BsonType.Array);
_context = new JsonReaderContext(_context, ContextType.Array);
_state = BsonReaderState.Type;
}
internal JsonReaderContext(JsonReaderContext parentContext, ContextType contextType)
{
_parentContext = parentContext;
_contextType = contextType;
}
internal JsonReaderContext(JsonReaderContext parentContext, ContextType contextType)
{
_parentContext = parentContext;
_contextType = contextType;
}
public override void ReturnToBookmark(
BsonReaderBookmark bookmark
)
{
var jsonReaderBookmark = (JsonReaderBookmark) 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 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();
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");
}
if (context.ContextType == ContextType.Array || context.ContextType == ContextType.Document) {
var commaToken = PopToken();
if (commaToken.Type != JsonTokenType.Comma) {
PushToken(commaToken);
}
}
}