// Callback for HarvestExtensions, called for each individual extension entry
static void harvestExtension(IElementNavigator nav, IDictionary <string, object> properties, string url)
{
if (StringComparer.Ordinal.Equals(FmmExtensionUrl, url) && nav.MoveToNext("valueInteger"))
{
properties[MaturityLevelKey] = nav.Value;
}
}
public bool MoveToNext(string nameFilter = null)
{
bool exists = _navigator.MoveToNext(nameFilter);
if (exists)
{
_index++;
}
return(exists);
}
public bool MoveToNext()
{
bool exists = _navigator.MoveToNext();
if (exists)
{
_index++;
}
return(exists);
}
public static void Render(IElementNavigator navigator, int nest = 0)
{
do
{
string indent = new string(' ', nest * 4);
Debug.WriteLine($"{indent}" + ToString(navigator));
var child = navigator.Clone();
if (child.MoveToFirstChild())
{
Render(child, nest + 1);
}
}while (navigator.MoveToNext());
}
/// <summary>Harvest extension values into a property bag.</summary>
/// <param name="nav">An <see cref="IElementNavigator"/> instance.</param>
/// <param name="properties">A property bag to store harvested summary information.</param>
/// <param name="extensionValueHarvester">Callback function called for each individual extension entry.</param>
public static void HarvestExtensions(this IElementNavigator nav, IDictionary <string, object> properties, Action <IElementNavigator, IDictionary <string, object>, string> extensionValueHarvester)
{
const string extension = "extension";
if (nav.Find(extension))
{
do
{
var childNav = nav.Clone();
if (childNav.MoveToFirstChild("url"))
{
if (childNav.Value is string url)
{
extensionValueHarvester(childNav, properties, url);
}
}
// [WMR 20171219] BUG: MoveToNext advances to extension.url (child attribute) instead of the next extension element
} while (nav.MoveToNext(extension));
}
}
/// <summary>Harvest an array of child element values into a property bag.</summary>
/// <param name="nav">An <see cref="IElementNavigator"/> instance.</param>
/// <param name="properties">A property bag to store harvested summary information.</param>
/// <param name="key">A property key.</param>
/// <param name="element">An element name.</param>
/// <param name="childElement">A child element name.</param>
public static bool HarvestValues(this IElementNavigator nav, IDictionary <string, object> properties, string key, string element, string childElement)
{
if (nav.Find(element))
{
var values = new List <string>();
do
{
var childNav = nav.Clone();
if (childNav.MoveToFirstChild(childElement))
{
HarvestValue(childNav, values);
}
} while (nav.MoveToNext(element));
if (values.Count > 0)
{
properties[key] = values.ToArray();
return(true);
}
}
return(false);
}
public bool MoveToNext(string nameFilter = null) => _current.MoveToNext(nameFilter);
public bool MoveToNext(string nameFilter = null)
{
_cache = new Cache();
return(_wrapped.MoveToNext(nameFilter));
}
/// <summary>
/// Try to position the navigator on the current or sibling element with the specified name.
/// If the current element name matches, then maintain the current position.
/// Otherwise, navigate to the next matching sibling element (if it exists).
/// </summary>
/// <param name="nav">An <see cref="IElementNavigator"/> instance.</param>
/// <param name="element">An element name.</param>
/// <returns><c>true</c> if, upon return, the navigator is positioned on a matching element, or <c>false</c> otherwise.</returns>
public static bool Find(this IElementNavigator nav, string element)
{
return(nav.Name == element || nav.MoveToNext(element));
}