public override IEnumerable<Row> Execute(IEnumerable<Row> rows) {
foreach (var row in rows) {
if (ShouldRun(row)) {
var xml = row[InKey].ToString();
if (xml.Equals(string.Empty)) {
yield return row;
continue;
}
var count = 0;
var doc = new NanoXmlDocument(xml);
if (_elements.ContainsKey(doc.RootNode.Name)) {
var field = _elements[doc.RootNode.Name];
row[field.Alias] = _converter[field.SimpleType](doc.RootNode.Value ?? (field.ReadInnerXml ? doc.RootNode.InnerText() : doc.RootNode.ToString()));
count++;
}
var subNodes = doc.RootNode.SubNodes.ToArray();
while (subNodes.Any()) {
var nextNodes = new List<NanoXmlNode>();
foreach (var node in subNodes) {
if (_elements.ContainsKey(node.Name)) {
var field = _elements[node.Name];
count++;
var value = node.Value ?? (field.ReadInnerXml ? node.InnerText() : node.ToString());
if (!string.IsNullOrEmpty(value)) {
row[field.Alias] = _converter[field.SimpleType](value);
}
}
if (_searchAttributes) {
foreach (var attribute in node.Attributes.Where(attribute => _attributes.ContainsKey(attribute.Name))) {
var field = _attributes[attribute.Name];
count++;
if (!string.IsNullOrEmpty(attribute.Value)) {
row[field.Alias] = _converter[field.SimpleType](attribute.Value);
}
}
}
if (count < _total) {
nextNodes.AddRange(node.SubNodes);
}
}
subNodes = nextNodes.ToArray();
}
yield return row;
} else {
Interlocked.Increment(ref SkipCount);
yield return row;
}
}
}
public Row Transform(Row row) {
var xml = row.GetString(_input);
if (xml.Equals(string.Empty)) {
return row;
}
var count = 0;
var doc = new NanoXmlDocument(xml);
if (_elements.ContainsKey(doc.RootNode.Name)) {
var field = _elements[doc.RootNode.Name];
row[field] = field.Convert(doc.RootNode.Value ?? (field.ReadInnerXml ? doc.RootNode.InnerText() : doc.RootNode.ToString()));
count++;
}
var subNodes = doc.RootNode.SubNodes.ToArray();
while (subNodes.Any()) {
var nextNodes = new List<NanoXmlNode>();
foreach (var node in subNodes) {
if (_elements.ContainsKey(node.Name)) {
var field = _elements[node.Name];
count++;
var value = node.Value ?? (field.ReadInnerXml ? node.InnerText() : node.ToString());
if (!string.IsNullOrEmpty(value)) {
if (field.Type == "string") {
row.SetString(field, value);
} else {
row[field] = field.Convert(value);
}
}
}
if (_searchAttributes) {
foreach (var attribute in node.Attributes.Where(attribute => _attributes.ContainsKey(attribute.Name))) {
var field = _attributes[attribute.Name];
count++;
if (!string.IsNullOrEmpty(attribute.Value)) {
if (field.Type == "string") {
row.SetString(field, attribute.Value);
} else {
row[field] = field.Convert(attribute.Value);
}
}
}
}
if (count < _total) {
nextNodes.AddRange(node.SubNodes);
}
}
subNodes = nextNodes.ToArray();
}
Increment();
return row;
}