public bool TryParseGenericList(ParseEntry parseEntry, ObjectInstance newObjectInstance, ObjectInstance objectInstance)
{
var types = objectInstance.PropertyInfos.Where(
d =>
d.PropertyType.IsGenericType && d.PropertyType.GetGenericArguments().Length == 1 &&
d.PropertyType.GetGenericArguments()[0] == parseEntry.Type).ToArray();
foreach (var propertyInfo in types)
{
var typeArgs = new[] { propertyInfo.PropertyType.GetGenericArguments()[0] };
var listType = typeof(List<>).MakeGenericType(typeArgs);
if (listType == propertyInfo.PropertyType)
{
if (!string.IsNullOrEmpty(parseEntry.ParentAttributeName) && parseEntry.ParentAttributeName != propertyInfo.Name)
continue;
var propInfo = objectInstance.Instance.GetType().GetProperties().First(d => d.PropertyType == listType);
var listInstance = propInfo.GetValue(objectInstance.Instance, null);
if (listInstance == null)
{
listInstance = Activator.CreateInstance(listType);
propInfo.SetValue(objectInstance.Instance, listInstance, null);
}
var addMethod = listType.GetMethod("Add");
addMethod.Invoke(listInstance, new[] { newObjectInstance.Instance });
return true;
}
}
return false;
}
public ObjectInstance ParseLine(ParseEntry parseEntry, string line)
{
if (parseEntry == null)
{
throw new ArgumentException("ParseEntry parameter needed to parse line", "parseEntry");
}
if (line == null)
{
throw new ArgumentException("Line to parse needs to be specified", "line");
}
var match = parseEntry.ParseFormat.Match(line);
if (match.Groups.Count == 1)
{
return null;
}
if (parseEntry.PropertyInfos == null)
{
parseEntry.PropertyInfos = parseEntry.Type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
}
//Create instance
var inst = Activator.CreateInstance(parseEntry.Type);
foreach (var propertyInfo in parseEntry.PropertyInfos)
{
SetPropertyValue(match.Groups[propertyInfo.Name].Value, inst, propertyInfo);
}
return new ObjectInstance { Instance = inst, PropertyInfos = parseEntry.PropertyInfos};
}
public bool TryParseGenericList(ParseEntry parseEntry, ObjectInstance newObjectInstance, ObjectInstance objectInstance)
{
var types = objectInstance.PropertyInfos.Where(
d =>
d.PropertyType.IsGenericType && d.PropertyType.GetGenericArguments().Length == 1 &&
d.PropertyType.GetGenericArguments()[0] == parseEntry.Type).ToArray();
foreach (var propertyInfo in types)
{
var typeArgs = new[] { propertyInfo.PropertyType.GetGenericArguments()[0] };
var listType = typeof(List <>).MakeGenericType(typeArgs);
if (listType == propertyInfo.PropertyType)
{
if (!string.IsNullOrEmpty(parseEntry.ParentAttributeName) && parseEntry.ParentAttributeName != propertyInfo.Name)
{
continue;
}
var propInfo = objectInstance.Instance.GetType().GetProperties().First(d => d.PropertyType == listType);
var listInstance = propInfo.GetValue(objectInstance.Instance, null);
if (listInstance == null)
{
listInstance = Activator.CreateInstance(listType);
propInfo.SetValue(objectInstance.Instance, listInstance, null);
}
var addMethod = listType.GetMethod("Add");
addMethod.Invoke(listInstance, new[] { newObjectInstance.Instance });
return(true);
}
}
return(false);
}
public ObjectInstance ParseLine(ParseEntry parseEntry, string line)
{
if (parseEntry == null)
{
throw new ArgumentException("ParseEntry parameter needed to parse line", "parseEntry");
}
if (line == null)
{
throw new ArgumentException("Line to parse needs to be specified", "line");
}
var match = parseEntry.ParseFormat.Match(line);
if (match.Groups.Count == 1)
{
return(null);
}
if (parseEntry.PropertyInfos == null)
{
parseEntry.PropertyInfos = parseEntry.Type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
}
//Create instance
var inst = Activator.CreateInstance(parseEntry.Type);
foreach (var propertyInfo in parseEntry.PropertyInfos)
{
SetPropertyValue(match.Groups[propertyInfo.Name].Value, inst, propertyInfo);
}
return(new ObjectInstance {
Instance = inst, PropertyInfos = parseEntry.PropertyInfos
});
}
public void ParseLine_ParsingAddressParseEntry_ReturnsAddressInstance()
{
var parser = new Parser();
var parseEntry = new ParseEntry { ParseFormat = new Regex("^.+;(?<Name>.+);(?<StreetAddress>.+);(?<PoBox>.+)$"), Type = typeof (Address) };
var parseType = parser.ParseLine(parseEntry, "03;AddressRow1;AddressXX;PoBoxYY");
Assert.IsInstanceOfType(parseType.Instance, typeof(Address));
}
private bool ParseLineAndSetNode(ParseEntry parseEntry, string line)
{
var newObjectInstance = _parser.ParseLine(parseEntry, line);
if (newObjectInstance == null)
{
return(false);
}
while (_objectInstanceStack.Count >= 1)
{
var objectInstanceFromStack = _objectInstanceStack.Peek();
var propInfos = objectInstanceFromStack.PropertyInfos.Where(d => d.PropertyType == parseEntry.Type).ToArray();
foreach (var propInfo in propInfos)
{
if (!string.IsNullOrEmpty(parseEntry.ParentAttributeName) && parseEntry.ParentAttributeName != propInfo.Name)
{
continue;
}
//Already set then throw
if (propInfo.GetValue(objectInstanceFromStack.Instance, null) != null)
{
throw new InvalidOperationException("Already set");
}
propInfo.SetValue(objectInstanceFromStack.Instance, newObjectInstance.Instance, null);
_objectInstanceStack.Push(newObjectInstance);
return(true);
}
if (_parser.TryParseGenericList(parseEntry, newObjectInstance, objectInstanceFromStack))
{
if (objectInstanceFromStack != newObjectInstance)
{
_objectInstanceStack.Push(newObjectInstance);
}
return(true);
}
if (_objectInstanceStack.Count == 1)
{
return(false);
}
//Just remove it
_objectInstanceStack.Pop();
}
return(false);
}
public void ParseLine_ParsingAddressParseEntry_SetStringPropertiesOnInstance()
{
var parser = new Parser();
var parseEntry = new ParseEntry { ParseFormat = new Regex("^.+;(?<Name>.+);(?<StreetAddress>.+);(?<PoBox>.+)$"), Type = typeof(Address) };
var parseType = parser.ParseLine(parseEntry, "03;TheName;AddressXX;PoBoxYY");
var address = parseType.Instance as Address;
Assert.IsNotNull(address);
Assert.AreEqual(address.Name, "TheName");
Assert.AreEqual(address.StreetAddress, "AddressXX");
Assert.AreEqual(address.PoBox, "PoBoxYY");
}
public IList <T> ParseArray(Stream stream)
{
var list = new List <T>();
var type = typeof(T);
var attr = type.GetCustomAttributes(typeof(ParseFormatAttribute), false)[0] as ParseFormatAttribute;
if (attr == null)
{
AddError(string.Format("Object of type {0} doesn't have any ParseFormatAttributes", typeof(T).Name), 0);
return(null);
}
var parseEntry = new ParseEntry {
Type = type, ParseFormat = new Regex(attr.Format), ParentAttributeName = attr.ParentAttributeName
};
using (var sr = new StreamReader(stream))
{
string line;
int row = 1;
while ((line = sr.ReadLine()) != null)
{
var parseType = _parser.ParseLine(parseEntry, line);
if (parseType == null)
{
AddError(string.Format("Problem adding node for line: {0}", line), row);
continue;
}
list.Add(parseType.Instance as T);
row++;
}
}
return(list);
}
