public override int Visit(SqlPropertyName sqlPropertyName)
{
int hashCode = SqlPropertyNameHashCode;
hashCode = CombineHashes(hashCode, SqlObjectHasher.Djb2(sqlPropertyName.Value));
return(hashCode);
}
public override SqlObject Visit(SqlPropertyName sqlPropertyName)
{
return(SqlPropertyName.Create(
this.GetObfuscatedString(
sqlPropertyName.Value,
"p",
ref this.fieldNameSequenceNumber)));
}
public void SqlObjectCreateScalarExpressionTest()
{
CosmosObject expected = CosmosObject.Create(new Dictionary <string, CosmosElement>
{
["name"] = CosmosString.Create("John")
});
SqlObjectCreateScalarExpression john = SqlObjectCreateScalarExpression.Create(
SqlObjectProperty.Create(SqlPropertyName.Create("name"),
SqlLiteralScalarExpression.Create(SqlStringLiteral.Create("John"))));
AssertEvaluation(expected, john);
}
public override bool Visit(SqlPropertyName first, SqlObject secondAsObject)
{
if (!(secondAsObject is SqlPropertyName second))
{
return(false);
}
if (first.Value != second.Value)
{
return(false);
}
return(true);
}
public override SqlObject VisitObject_property([NotNull] sqlParser.Object_propertyContext context)
{
Contract.Requires(context != null);
Contract.Requires(context.STRING_LITERAL() != null);
Contract.Requires(context.scalar_expression() != null);
string name = CstToAstVisitor.GetStringValueFromNode(context.STRING_LITERAL());
SqlScalarExpression value = (SqlScalarExpression)this.Visit(context.scalar_expression());
SqlObjectProperty property = SqlObjectProperty.Create(
SqlPropertyName.Create(name),
value);
return(property);
}
/// <summary>
/// Constructs <see cref="SqlScalarExpression"/> from a geometry <see cref="JToken"/>.
/// </summary>
/// <param name="jToken">Json token.</param>
/// <returns>Instance of <see cref="SqlScalarExpression"/>.</returns>
private static SqlScalarExpression FromJToken(JToken jToken)
{
switch (jToken.Type)
{
case JTokenType.Array:
return(SqlArrayCreateScalarExpression.Create(jToken.Select(FromJToken).ToArray()));
case JTokenType.Boolean:
return(SqlLiteralScalarExpression.Create(SqlBooleanLiteral.Create(jToken.Value <bool>())));
case JTokenType.Null:
return(SqlLiteralScalarExpression.SqlNullLiteralScalarExpression);
case JTokenType.String:
return(SqlLiteralScalarExpression.Create(SqlStringLiteral.Create(jToken.Value <string>())));
case JTokenType.Object:
SqlObjectProperty[] properties =
((JObject)jToken).Properties()
.Select(
p =>
SqlObjectProperty.Create(
SqlPropertyName.Create(p.Name),
FromJToken(p.Value)))
.ToArray();
return(SqlObjectCreateScalarExpression.Create(properties));
case JTokenType.Float:
case JTokenType.Integer:
SqlNumberLiteral sqlNumberLiteral = SqlNumberLiteral.Create(jToken.Value <double>());
return(SqlLiteralScalarExpression.Create(sqlNumberLiteral));
default:
throw new DocumentQueryException(string.Format(CultureInfo.CurrentCulture, ClientResources.UnexpectedTokenType, jToken.Type));
}
}
public override SqlObject VisitObjectCreateScalarExpression([NotNull] sqlParser.ObjectCreateScalarExpressionContext context)
{
Contract.Requires(context != null);
// '{' object_propertty_list? '}'
List <SqlObjectProperty> properties = new List <SqlObjectProperty>();
if (context.object_propertty_list() != null)
{
sqlParser.Object_propertyContext[] propertyContexts = context.object_propertty_list().object_property();
foreach (sqlParser.Object_propertyContext objectPropertyContext in propertyContexts)
{
string name = CstToAstVisitor.GetStringValueFromNode(objectPropertyContext.STRING_LITERAL());
SqlScalarExpression value = (SqlScalarExpression)this.Visit(objectPropertyContext.scalar_expression());
SqlObjectProperty property = SqlObjectProperty.Create(
SqlPropertyName.Create(name),
value);
properties.Add(property);
}
}
return(SqlObjectCreateScalarExpression.Create(properties));
}
public abstract void Visit(SqlPropertyName sqlObject);
public override void Visit(SqlPropertyName sqlPropertyName)
{
this.writer.Write('"');
this.writer.Write(sqlPropertyName.Value);
this.writer.Write('"');
}
public abstract TResult Visit(SqlPropertyName sqlObject);
public abstract TOutput Visit(SqlPropertyName sqlObject, TArg input);
/// <summary>
/// Converts a JToken to a semantically equivalent SqlScalarExpression.
/// </summary>
/// <param name="token">The JToken to convert.</param>
/// <returns>The semantically equivalent SqlScalarExpression.</returns>
public static SqlScalarExpression Convert(JToken token)
{
if (token == null)
{
return(Undefined);
}
switch (token.Type)
{
case JTokenType.Array:
{
List <SqlScalarExpression> items = new List <SqlScalarExpression>();
foreach (JToken element in token)
{
items.Add(JTokenToSqlScalarExpression.Convert(element));
}
return(SqlArrayCreateScalarExpression.Create(items.ToArray()));
}
case JTokenType.Boolean:
{
SqlBooleanLiteral literal = SqlBooleanLiteral.Create(token.ToObject <bool>());
return(SqlLiteralScalarExpression.Create(literal));
}
case JTokenType.Null:
{
SqlNullLiteral literal = SqlNullLiteral.Singleton;
return(SqlLiteralScalarExpression.Create(literal));
}
case JTokenType.Integer:
case JTokenType.Float:
{
SqlNumberLiteral literal = SqlNumberLiteral.Create(token.ToObject <double>());
return(SqlLiteralScalarExpression.Create(literal));
}
case JTokenType.Object:
{
List <SqlObjectProperty> properties = new List <SqlObjectProperty>();
foreach (JProperty prop in (JToken)token)
{
SqlPropertyName name = SqlPropertyName.Create(prop.Name);
JToken value = prop.Value;
SqlScalarExpression expression = JTokenToSqlScalarExpression.Convert(value);
SqlObjectProperty property = SqlObjectProperty.Create(name, expression);
properties.Add(property);
}
return(SqlObjectCreateScalarExpression.Create(properties.ToArray()));
}
case JTokenType.String:
{
SqlStringLiteral literal = SqlStringLiteral.Create(token.ToObject <string>());
return(SqlLiteralScalarExpression.Create(literal));
}
default:
throw new ArgumentException(string.Format(CultureInfo.CurrentUICulture, "Unsupported JsonType {0}", token.Type));
}
}
