private IEnumerable<string> GetPropertiesAtEndOfPath(JsonDocument document, RavenJPath path)
{
var currentObject = document.DataAsJson.SelectToken(path);
if (currentObject is RavenJObject)
return (currentObject as RavenJObject).Keys;
return new string[0];
}
private static Func<JsonDocument, object> CreateJPathDocumentExtractor(string binding)
{
try
{
var jpath = new RavenJPath(binding);
return doc => GetTokenValue(doc.DataAsJson.SelectToken(jpath));
}
catch (Exception)
{
return doc => "<<Invalid Binding Expression>>";
}
}
/// <summary>
/// Selects the token that matches the object path.
/// </summary>
/// <param name="path">
/// The object path from the current <see cref="RavenJToken"/> to the <see cref="RavenJToken"/>
/// to be returned. This must be a string of property names or array indexes separated
/// by periods, such as <code>Tables[0].DefaultView[0].Price</code> in C# or
/// <code>Tables(0).DefaultView(0).Price</code> in Visual Basic.
/// </param>
/// <param name="errorWhenNoMatch">A flag to indicate whether an error should be thrown if no token is found.</param>
/// <returns>The <see cref="RavenJToken"/> that matches the object path.</returns>
public RavenJToken SelectToken(RavenJPath path, bool errorWhenNoMatch)
{
return(path.Evaluate(this, errorWhenNoMatch));
}
private IEnumerable<string> GetProperties(string completedPropertyPath = "")
{
if (DocumentToSample != null)
return GetPropertiesAtEndOfPath(DocumentToSample.Value);
if (RecentDocuments != null && RecentDocuments.Count > 0)
{
var parsedPath = new RavenJPath(completedPropertyPath);
var matchingProperties = RecentDocuments.SelectMany(doc => GetPropertiesAtEndOfPath(doc, parsedPath)).Distinct();
return matchingProperties;
}
return new string[0];
}
/// <summary>
/// Selects the token that matches the object path.
/// </summary>
/// <param name="path">
/// The object path from the current <see cref="RavenJToken"/> to the <see cref="RavenJToken"/>
/// to be returned. This must be a string of property names or array indexes separated
/// by periods, such as <code>Tables[0].DefaultView[0].Price</code> in C# or
/// <code>Tables(0).DefaultView(0).Price</code> in Visual Basic.
/// </param>
/// <returns>The <see cref="RavenJToken"/> that matches the object path or a null reference if no matching token is found.</returns>
public RavenJToken SelectToken(RavenJPath path)
{
return(SelectToken(path, false));
}
/// <summary>
/// Selects the token that matches the object path.
/// </summary>
/// <param name="path">
/// The object path from the current <see cref="RavenJToken"/> to the <see cref="RavenJToken"/>
/// to be returned. This must be a string of property names or array indexes separated
/// by periods, such as <code>Tables[0].DefaultView[0].Price</code> in C# or
/// <code>Tables(0).DefaultView(0).Price</code> in Visual Basic.
/// </param>
/// <param name="errorWhenNoMatch">A flag to indicate whether an error should be thrown if no token is found.</param>
/// <returns>The <see cref="RavenJToken"/> that matches the object path.</returns>
public RavenJToken SelectToken(string path, bool errorWhenNoMatch)
{
var p = new RavenJPath(path);
return(p.Evaluate(this, errorWhenNoMatch));
}
/// <summary>
/// Selects the token that matches the object path.
/// </summary>
/// <param name="path">
/// The object path from the current <see cref="RavenJToken" /> to the <see cref="RavenJToken" />
/// to be returned. This must be a string of property names or array indexes separated
/// by periods, such as <code>Tables[0].DefaultView[0].Price</code> in C# or
/// <code>Tables(0).DefaultView(0).Price</code> in Visual Basic.
/// </param>
/// <param name="errorWhenNoMatch">A flag to indicate whether an error should be thrown if no token is found.</param>
/// <param name="createSnapshots">A flag to indicate whether token snapshots should be created.</param>
/// <returns>The <see cref="RavenJToken" /> that matches the object path.</returns>
public RavenJToken SelectToken(RavenJPath path, bool errorWhenNoMatch, bool createSnapshots = false)
{
return(path.Evaluate(this, errorWhenNoMatch, createSnapshots));
}
/// <summary>
/// Selects the token that matches the object path.
/// </summary>
/// <param name="path">
/// The object path from the current <see cref="RavenJToken" /> to the <see cref="RavenJToken" />
/// to be returned. This must be a string of property names or array indexes separated
/// by periods, such as <code>Tables[0].DefaultView[0].Price</code> in C# or
/// <code>Tables(0).DefaultView(0).Price</code> in Visual Basic.
/// </param>
/// <param name="errorWhenNoMatch">A flag to indicate whether an error should be thrown if no token is found.</param>
/// <param name="createSnapshots">A flag to indicate whether token snapshots should be created.</param>
/// <returns>The <see cref="RavenJToken" /> that matches the object path.</returns>
public RavenJToken SelectToken(string path, bool errorWhenNoMatch, bool createSnapshots = false)
{
var p = new RavenJPath(path);
return(p.Evaluate(this, errorWhenNoMatch, createSnapshots));
}
private IEnumerable<string> GetProperties(string completedPropertyPath)
{
var parsedPath = new RavenJPath(completedPropertyPath);
var matchingProperties =
recentDocuments.SelectMany(doc => GetPropertiesAtEndOfPath(doc, parsedPath)).Distinct();
return matchingProperties;
}
