public static void AddChanges(this ICollection <DocumentsChanges> docChanges, KeyValuePair <string, RavenJToken> kvp, RavenJToken token, string fieldName)
{
var changes = new DocumentsChanges
{
FieldNewType = kvp.Value.Type.ToString(),
FieldOldType = token.Type.ToString(),
FieldNewValue = kvp.Value.ToString(),
FieldOldValue = token.ToString(),
Change = DocumentsChanges.ChangeType.FieldChanged,
FieldName = fieldName
};
docChanges.Add(changes);
}
internal virtual void AddForCloning(string key, RavenJToken token)
{
// kept virtual (as opposed to abstract) to waive the new for implementing this in RavenJValue
}
internal static U Convert <U>(this RavenJToken token, bool cast)
{
if (cast)
{
// HACK
return((U)(object)token);
}
if (token == null || token.Type == JTokenType.Null)
{
return(default(U));
}
var value = token as RavenJValue;
if (value == null)
{
throw new InvalidCastException("Cannot cast {0} to {1}.".FormatWith(CultureInfo.InvariantCulture, token.GetType(), typeof(U)));
}
if (value.Value is U)
{
return((U)value.Value);
}
Type targetType = typeof(U);
if (targetType.IsGenericType() && targetType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
if (value.Value == null)
{
return(default(U));
}
targetType = Nullable.GetUnderlyingType(targetType);
}
if (targetType == typeof(Guid))
{
if (value.Value == null)
{
return(default(U));
}
return((U)(object)new Guid(value.Value.ToString()));
}
if (targetType == typeof(string))
{
if (value.Value == null)
{
return(default(U));
}
return((U)(object)value.Value.ToString());
}
if (targetType == typeof(DateTime))
{
var s = value.Value as string;
if (s != null)
{
DateTime dateTime;
if (DateTime.TryParseExact(s, Default.DateTimeFormatsToRead, CultureInfo.InvariantCulture,
DateTimeStyles.RoundtripKind, out dateTime))
{
return((U)(object)dateTime);
}
dateTime = RavenJsonTextReader.ParseDateMicrosoft(s);
return((U)(object)dateTime);
}
if (value.Value is DateTimeOffset)
{
return((U)(object)((DateTimeOffset)value.Value).UtcDateTime);
}
}
if (targetType == typeof(DateTimeOffset))
{
var s = value.Value as string;
if (s != null)
{
DateTimeOffset dateTimeOffset;
if (DateTimeOffset.TryParseExact(s, Default.DateTimeFormatsToRead, CultureInfo.InvariantCulture,
DateTimeStyles.RoundtripKind, out dateTimeOffset))
{
return((U)(object)dateTimeOffset);
}
return(default(U));
}
if (value.Value is DateTime)
{
return((U)(object)(new DateTimeOffset((DateTime)value.Value)));
}
}
if (targetType == typeof(byte[]) && value.Value is string)
{
return((U)(object)System.Convert.FromBase64String((string)value.Value));
}
if (value.Value == null && typeof(U).IsValueType)
{
throw new InvalidOperationException("value.Value == null and conversion target type is not nullable");
}
try
{
return((U)System.Convert.ChangeType(value.Value, targetType, CultureInfo.InvariantCulture));
}
catch (Exception e)
{
if (value.Value != null)
{
throw new InvalidOperationException(string.Format("Unable to find suitable conversion for {0} since it is not predefined and does not implement IConvertible. ", value.Value.GetType()), e);
}
throw new InvalidOperationException(string.Format("Unable to find suitable conversion for {0} since it is not predefined ", value), e);
}
}
public static int GetDeepHashCode(RavenJToken t)
{
return(t == null ? 0 : t.GetDeepHashCode());
}
internal virtual bool DeepEquals(RavenJToken other)
{
if (other == null)
{
return(false);
}
if (Type != other.Type)
{
return(false);
}
var otherStack = new Stack <RavenJToken>();
var thisStack = new Stack <RavenJToken>();
thisStack.Push(this);
otherStack.Push(other);
while (otherStack.Count > 0)
{
var curOtherReader = otherStack.Pop();
var curThisReader = thisStack.Pop();
if (curOtherReader == null && curThisReader == null)
{
continue; // shouldn't happen, but we got an error report from a user about this
}
if (curOtherReader == null || curThisReader == null)
{
return(false);
}
if (curThisReader.Type == curOtherReader.Type)
{
switch (curOtherReader.Type)
{
case JTokenType.Array:
var selfArray = (RavenJArray)curThisReader;
var otherArray = (RavenJArray)curOtherReader;
if (selfArray.Length != otherArray.Length)
{
return(false);
}
for (int i = 0; i < selfArray.Length; i++)
{
thisStack.Push(selfArray[i]);
otherStack.Push(otherArray[i]);
}
break;
case JTokenType.Object:
var selfObj = (RavenJObject)curThisReader;
var otherObj = (RavenJObject)curOtherReader;
if (selfObj.Count != otherObj.Count)
{
return(false);
}
foreach (var kvp in selfObj.Properties)
{
RavenJToken token;
if (otherObj.TryGetValue(kvp.Key, out token) == false)
{
return(false);
}
if (kvp.Value == null)
{
if (token != null && token.Type != JTokenType.Null)
{
return(false);
}
continue;
}
switch (kvp.Value.Type)
{
case JTokenType.Array:
case JTokenType.Object:
otherStack.Push(token);
thisStack.Push(kvp.Value);
break;
case JTokenType.Bytes:
var bytes = kvp.Value.Value <byte[]>();
byte[] tokenBytes = token.Type == JTokenType.String
? Convert.FromBase64String(token.Value <string>())
: token.Value <byte[]>();
if (tokenBytes == null)
{
return(false);
}
if (bytes.Length != tokenBytes.Length)
{
return(false);
}
if (tokenBytes.Where((t, i) => t != bytes[i]).Any())
{
return(false);
}
break;
default:
if (!kvp.Value.DeepEquals(token))
{
return(false);
}
break;
}
}
break;
default:
if (!curOtherReader.DeepEquals(curThisReader))
{
return(false);
}
break;
}
}
else
{
switch (curThisReader.Type)
{
case JTokenType.Guid:
if (curOtherReader.Type != JTokenType.String)
{
return(false);
}
if (curThisReader.Value <string>() != curOtherReader.Value <string>())
{
return(false);
}
break;
default:
return(false);
}
}
}
return(true);
}
internal abstract bool DeepEquals(RavenJToken node);
/// <summary>
/// Compares the values of two tokens, including the values of all descendant tokens.
/// </summary>
/// <param name="t1">The first <see cref="RavenJToken"/> to compare.</param>
/// <param name="t2">The second <see cref="RavenJToken"/> to compare.</param>
/// <returns>true if the tokens are equal; otherwise false.</returns>
public static bool DeepEquals(RavenJToken t1, RavenJToken t2)
{
return(t1 == t2 || (t1 != null && t2 != null && t1.DeepEquals(t2)));
}
internal virtual bool DeepEquals(RavenJToken other)
{
return(DeepEquals(other, (List <DocumentsChanges>)null));
}
internal virtual bool DeepEquals(RavenJToken other, List <DocumentsChanges> docChanges)
{
if (other == null)
{
return(false);
}
if (Type != other.Type)
{
return(false);
}
var curType = JTokenType.None;
var fieldName = string.Empty;
var otherStack = new Stack <RavenJToken>();
var thisStack = new Stack <RavenJToken>();
var fieldNameStack = new Stack <string>();
var isEqual = true;
thisStack.Push(this);
otherStack.Push(other);
while (otherStack.Count > 0)
{
var curOtherReader = otherStack.Pop();
var curThisReader = thisStack.Pop();
string fieldArrName = string.Empty;
if (fieldNameStack.Count > 0)
{
fieldArrName = fieldNameStack.Pop();
fieldName = fieldArrName;
}
if (curOtherReader == null && curThisReader == null)
{
continue; // shouldn't happen, but we got an error report from a user about this
}
if (curOtherReader == null || curThisReader == null)
{
return(false);
}
if (curThisReader.Type == curOtherReader.Type)
{
switch (curOtherReader.Type)
{
case JTokenType.Array:
var selfArray = (RavenJArray)curThisReader;
var otherArray = (RavenJArray)curOtherReader;
curType = JTokenType.Array;
if (selfArray.Length != otherArray.Length)
{
if (docChanges == null)
{
return(false);
}
isEqual = docChanges.CompareRavenJArrayData(selfArray, otherArray, fieldArrName);
}
else
{
for (var i = 0; i < selfArray.Length; i++)
{
thisStack.Push(selfArray[i]);
otherStack.Push(otherArray[i]);
fieldNameStack.Push(fieldName);
}
}
break;
case JTokenType.Object:
var selfObj = (RavenJObject)curThisReader;
var otherObj = (RavenJObject)curOtherReader;
if (selfObj.Count != otherObj.Count)
{
curType = JTokenType.Object;
if (docChanges == null)
{
return(false);
}
isEqual = docChanges.CompareDifferentLengthRavenJObjectData(otherObj, selfObj, fieldName);
}
else
{
var prevType = curType;
curType = JTokenType.Object;
var origFieldName = fieldName;
foreach (var kvp in selfObj.Properties)
{
if (prevType == JTokenType.Object)
{
fieldName = origFieldName + "." + kvp.Key;
}
else
{
fieldName = kvp.Key;
}
RavenJToken token;
if (otherObj.TryGetValue(kvp.Key, out token) == false)
{
if (docChanges == null)
{
return(false);
}
docChanges.AddChanges(DocumentsChanges.ChangeType.RemovedField);
isEqual = false;
}
if (kvp.Value == null)
{
if (token != null && token.Type != JTokenType.Null)
{
if (docChanges == null)
{
return(false);
}
docChanges.AddChanges(DocumentsChanges.ChangeType.NewField);
isEqual = false;
}
continue;
}
switch (kvp.Value.Type)
{
case JTokenType.Array:
case JTokenType.Object:
otherStack.Push(token);
thisStack.Push(kvp.Value);
fieldNameStack.Push(fieldName);
break;
case JTokenType.Bytes:
var bytes = kvp.Value.Value <byte[]>();
var tokenBytes = token.Type == JTokenType.String
? Convert.FromBase64String(token.Value <string>())
: token.Value <byte[]>();
if (tokenBytes == null)
{
return(false);
}
if (bytes.Length != tokenBytes.Length)
{
return(false);
}
if (tokenBytes.Where((t, i) => t != bytes[i]).Any())
{
return(false);
}
break;
default:
if (!kvp.Value.DeepEquals(token))
{
if (docChanges == null)
{
return(false);
}
docChanges.AddChanges(kvp, token, fieldName);
isEqual = false;
}
break;
}
}
}
break;
default:
curType = curThisReader.Type;
if (!curOtherReader.DeepEquals(curThisReader))
{
if (docChanges == null)
{
return(false);
}
docChanges.AddChanges(curThisReader, curOtherReader, fieldName);
isEqual = false;
}
break;
}
}
else
{
curType = curThisReader.Type;
switch (curThisReader.Type)
{
case JTokenType.Guid:
if (curOtherReader.Type != JTokenType.String)
{
return(false);
}
if (curThisReader.Value <string>() != curOtherReader.Value <string>())
{
return(false);
}
break;
default:
return(false);
}
}
}
return(isEqual);
}
/// <summary>
/// Initializes a new instance of the <see cref="RavenJTokenReader"/> class.
/// </summary>
/// <param name="token">The token to read from.</param>
public RavenJTokenReader(RavenJToken token)
{
_root = token;
}
/// <summary>
/// Compares the values of two tokens, including the values of all descendant tokens.
/// </summary>
/// <param name="t1">The first <see cref="RavenJToken" /> to compare.</param>
/// <param name="t2">The second <see cref="RavenJToken" /> to compare.</param>
/// <param name="difference"> changes description</param>
/// <returns>true if the tokens are equal; otherwise false.</returns>
public static bool DeepEquals(RavenJToken t1, RavenJToken t2, List <DocumentsChanges> difference)
{
return(t1 == t2 || (t1 != null && t2 != null && t1.DeepEquals(t2, difference)));
}
public static U Value <U>(this RavenJToken value)
{
return(value.Convert <U>());
}
internal static U Convert <U>(this RavenJToken token, bool cast)
{
if (cast)
{
// HACK
return((U)(object)token);
}
if (token == null)
{
return(default(U));
}
var value = token as RavenJValue;
if (value == null)
{
throw new InvalidCastException("Cannot cast {0} to {1}.".FormatWith(CultureInfo.InvariantCulture, token.GetType(), typeof(U)));
}
if (value.Value is U)
{
return((U)value.Value);
}
Type targetType = typeof(U);
if (targetType.IsGenericType && targetType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
if (value.Value == null)
{
return(default(U));
}
targetType = Nullable.GetUnderlyingType(targetType);
}
if (targetType == typeof(Guid))
{
if (value.Value == null)
{
return(default(U));
}
return((U)(object)new Guid(value.Value.ToString()));
}
if (targetType == typeof(string))
{
if (value.Value == null)
{
return(default(U));
}
return((U)(object)value.Value.ToString());
}
if (targetType == typeof(DateTime) && value.Value is string)
{
DateTime dateTime;
if (DateTime.TryParseExact((string)value.Value, Default.DateTimeFormatsToRead, CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind, out dateTime))
{
return((U)(object)dateTime);
}
dateTime = RavenJsonTextReader.ParseDateMicrosoft((string)value.Value);
return((U)(object)dateTime);
}
return((U)System.Convert.ChangeType(value.Value, targetType, CultureInfo.InvariantCulture));
}
internal virtual bool DeepEquals(RavenJToken other)
{
if (other == null)
{
return(false);
}
if (Type != other.Type)
{
return(false);
}
var otherStack = new Stack <RavenJToken>();
var thisStack = new Stack <RavenJToken>();
thisStack.Push(this);
otherStack.Push(other);
while (otherStack.Count > 0)
{
var curOtherReader = otherStack.Pop();
var curThisReader = thisStack.Pop();
if (curThisReader.Type != curOtherReader.Type)
{
return(false);
}
if (curOtherReader.Type == JTokenType.Array)
{
var selfArray = (RavenJArray)curThisReader;
var otherArray = (RavenJArray)curOtherReader;
if (selfArray.Length != otherArray.Length)
{
return(false);
}
for (int i = 0; i < selfArray.Length; i++)
{
thisStack.Push(selfArray[i]);
otherStack.Push(otherArray[i]);
}
}
else if (curOtherReader.Type == JTokenType.Object)
{
var selfObj = (RavenJObject)curThisReader;
var otherObj = (RavenJObject)curOtherReader;
if (selfObj.Count != otherObj.Count)
{
return(false);
}
foreach (var kvp in selfObj.Properties)
{
RavenJToken token;
if (otherObj.TryGetValue(kvp.Key, out token) == false)
{
return(false);
}
otherStack.Push(token);
thisStack.Push(kvp.Value);
}
}
else // value
{
if (!curOtherReader.DeepEquals(curThisReader))
{
return(false);
}
}
}
return(true);
}
public static void AddChanges(this ICollection <DocumentsChanges> docChanges, RavenJToken curThisReader, RavenJToken curOtherReader, string fieldName)
{
var changes = new DocumentsChanges
{
FieldNewType = curThisReader.Type.ToString(),
FieldOldType = curOtherReader.Type.ToString(),
FieldNewValue = curThisReader.ToString(),
FieldOldValue = curOtherReader.ToString(),
Change = DocumentsChanges.ChangeType.FieldChanged,
FieldName = fieldName
};
docChanges.Add(changes);
}
internal override bool DeepEquals(RavenJToken node)
{
var other = node as RavenJValue;
return(other != null && ValuesEquals(this, other));
}
internal RavenJToken Evaluate(RavenJToken root, bool errorWhenNoMatch)
{
var current = root;
foreach (object part in Parts)
{
var propertyName = part as string;
if (propertyName != null)
{
var o = current as RavenJObject;
if (o != null)
{
current = o[propertyName];
if (current == null && errorWhenNoMatch)
{
throw new Exception("Property '{0}' does not exist on RavenJObject.".FormatWith(CultureInfo.InvariantCulture, propertyName));
}
}
else
{
var array = current as RavenJArray;
if (array != null)
{
switch (propertyName)
{
case "Count":
case "count":
case "Length":
case "length":
current = array.Length;
break;
default:
if (errorWhenNoMatch)
{
throw new Exception("Property '{0}' not valid on {1}.".FormatWith(CultureInfo.InvariantCulture, propertyName, current.GetType().Name));
}
break;
}
continue;
}
if (errorWhenNoMatch)
{
throw new Exception("Property '{0}' not valid on {1}.".FormatWith(CultureInfo.InvariantCulture, propertyName, current.GetType().Name));
}
return(null);
}
}
else
{
var index = (int)part;
var a = current as RavenJArray;
if (a != null)
{
if (a.Length <= index)
{
if (errorWhenNoMatch)
{
throw new IndexOutOfRangeException("Index {0} outside the bounds of RavenJArray.".FormatWith(CultureInfo.InvariantCulture, index));
}
return(null);
}
current = a[index];
}
else
{
if (errorWhenNoMatch)
{
throw new Exception("Index {0} not valid on {1}.".FormatWith(CultureInfo.InvariantCulture, index, current.GetType().Name));
}
return(null);
}
}
}
return(current);
}
internal RavenJToken Evaluate(RavenJToken root, bool errorWhenNoMatch, bool createSnapshots = false)
{
var current = root;
foreach (object part in Parts)
{
var propertyName = part as string;
if (propertyName != null)
{
var o = current as RavenJObject;
if (o != null)
{
if (createSnapshots)
{
switch (propertyName)
{
case "$Values":
current = new RavenJArray(o.Values());
break;
case "$Keys":
current = new RavenJArray(o.Keys);
break;
default:
var newProp = o[propertyName];
if (newProp != null)
{
newProp.EnsureCannotBeChangeAndEnableSnapshotting();
newProp = newProp.CreateSnapshot();
current = o[propertyName] = newProp;
}
else
{
current = null;
}
break;
}
}
else
{
switch (propertyName)
{
case "$Values":
current = new RavenJArray(o.Values());
break;
case "$Keys":
current = new RavenJArray(o.Keys);
break;
default:
current = o[propertyName];
break;
}
}
if (current == null && errorWhenNoMatch)
{
throw new Exception("Property '{0}' does not exist on RavenJObject.".FormatWith(CultureInfo.InvariantCulture, propertyName));
}
}
else
{
var array = current as RavenJArray;
if (array != null)
{
switch (propertyName)
{
case "Count":
case "count":
case "Length":
case "length":
current = array.Length;
break;
default:
if (errorWhenNoMatch)
{
throw new Exception("Property '{0}' not valid on {1}.".FormatWith(CultureInfo.InvariantCulture, propertyName, current.GetType().Name));
}
break;
}
continue;
}
if (errorWhenNoMatch)
{
throw new Exception("Property '{0}' not valid on {1}.".FormatWith(CultureInfo.InvariantCulture, propertyName, current.GetType().Name));
}
return(null);
}
}
else
{
var index = (int)part;
var a = current as RavenJArray;
if (a != null)
{
if (a.Length <= index)
{
if (errorWhenNoMatch)
{
throw new IndexOutOfRangeException("Index {0} outside the bounds of RavenJArray.".FormatWith(CultureInfo.InvariantCulture, index));
}
return(null);
}
current = a[index];
}
else
{
if (errorWhenNoMatch)
{
throw new Exception("Index {0} not valid on {1}.".FormatWith(CultureInfo.InvariantCulture, index, current.GetType().Name));
}
return(null);
}
}
}
return(current);
}
