public string replace(object input, string pattern, string replacement, string flags)
{
// fn:replace($input as xs:string?, $pattern as xs:string, $replacement as xs:string, $flags as xs:string) as xs:string
string inputStr = ExtensionObjectConvert.ToString(input) ?? "";
return(Regex.Replace(inputStr, pattern, replacement, ParseFlags(flags)));
}
public bool matches(object input, string pattern, string flags)
{
// fn:matches($input as xs:string?, $pattern as xs:string, $flags as xs:string) as xs:boolean
string inputStr = ExtensionObjectConvert.ToString(input) ?? "";
return(Regex.IsMatch(inputStr, pattern, ParseFlags(flags)));
}
protected bool ends_with(object arg1, object arg2)
{
// fn:ends-with($arg1 as xs:string?, $arg2 as xs:string?) as xs:boolean
string first = ExtensionObjectConvert.ToString(arg1) ?? "";
string second = ExtensionObjectConvert.ToString(arg2) ?? "";
return(first.EndsWith(second));
}
protected string upper_case(object arg)
{
// fn:upper-case($arg as xs:string?) as xs:string
string str = ExtensionObjectConvert.ToString(arg);
if (str == null)
{
return("");
}
return(str.ToUpper());
}
public object tokenize(object input, string pattern, string flags)
{
// fn:tokenize($input as xs:string?, $pattern as xs:string, $flags as xs:string) as xs:string*
string inputStr = ExtensionObjectConvert.ToString(input);
if (!inputStr.HasValue())
{
return(ExtensionObjectConvert.EmptyIterator);
}
return(ExtensionObjectConvert.ToInput(Regex.Split(inputStr, pattern, ParseFlags(flags))));
}
protected object resolve_uri(object relativeUri)
{
string relativeUriStr = ExtensionObjectConvert.ToString(relativeUri);
if (relativeUriStr == null)
{
return(ExtensionObjectConvert.EmptyIterator);
}
Uri resolvedUri = resolve_uri_impl(relativeUriStr, static_base_uri_impl());
return(ExtensionObjectConvert.ToInput(resolvedUri));
}
protected string encode_for_uri(object arg)
{
// fn:encode-for-uri($uri-part as xs:string?) as xs:string
string value = ExtensionObjectConvert.ToString(arg);
if (value == null)
{
return("");
}
return(Uri.EscapeDataString(value));
}
public object compare(object comparand1, object comparand2)
{
// fn:compare($comparand1 as xs:string?, $comparand2 as xs:string?) as xs:integer?
string first = ExtensionObjectConvert.ToString(comparand1);
string second = ExtensionObjectConvert.ToString(comparand2);
if (first == null ||
second == null)
{
return(ExtensionObjectConvert.EmptyIterator);
}
return(String.Compare(first, second));
}
protected object resolve_uri(object relativeUri, string baseUri)
{
// fn:resolve-uri($relative as xs:string?, $base as xs:string) as xs:anyURI?
string relativeUriStr = ExtensionObjectConvert.ToString(relativeUri);
if (relativeUriStr == null)
{
return(ExtensionObjectConvert.EmptyIterator);
}
Uri baseU = new Uri(baseUri, UriKind.Absolute);
Uri resolvedUri = resolve_uri_impl(relativeUriStr, baseU);
return(ExtensionObjectConvert.ToInput(resolvedUri));
}
protected object namespace_uri_for_prefix(object prefix, XPathNavigator element)
{
// fn:namespace-uri-for-prefix($prefix as xs:string?, $element as element()) as xs:anyURI?
IDictionary <string, string> namespaces = element.GetNamespacesInScope(XmlNamespaceScope.All);
string p = ExtensionObjectConvert.ToString(prefix) ?? "";
string ns;
if (!namespaces.TryGetValue(p, out ns))
{
return(ExtensionObjectConvert.EmptyIterator);
}
return(ns);
}
static object parse_xml_impl(object arg, bool fragment)
{
string str = ExtensionObjectConvert.ToString(arg);
if (str == null)
{
return(ExtensionObjectConvert.EmptyIterator);
}
var parseOptions = new XmlParsingOptions {
ConformanceLevel = (fragment) ?
ConformanceLevel.Fragment
: ConformanceLevel.Document
};
var itemFactory = new SystemItemFactory();
using (var reader = new StringReader(str)) {
return(ExtensionObjectConvert.ToInput(itemFactory.CreateNodeReadOnly(reader, parseOptions)));
}
}