public INIDataItem this[String index]
{
get
{
INIDataItem returnthis =
getValues().FirstOrDefault((w) => w.Name.Equals(index, StringComparison.OrdinalIgnoreCase));
if (returnthis == null)
{
//returnthis = new INISection(index, null, new List<INIItem>());
returnthis = new INIDataItem(index, "", this);
INIItems.Add(returnthis);
}
return(returnthis);
}
set
{
//remove any existing value with the given name...
INIItem itemfound =
getValues().FirstOrDefault(w => w.Name.Equals(index, StringComparison.OrdinalIgnoreCase));
if (itemfound != null)
{
INIItems.Remove(itemfound);
}
INIItems.Add(value);
}
}
public IEnumerable <INIDataItem> getValues()
{
foreach (INIItem loopitem in INIItems)
{
INIDataItem casted = loopitem as INIDataItem;
if (casted != null)
{
yield return(casted);
}
}
}
public INIDataItem this[String index, String defaultvalue]
{
get
{
INIDataItem returnthis = getValues().FirstOrDefault((w) => w.Name.Equals(index, StringComparison.OrdinalIgnoreCase));
if (returnthis == null)
{
returnthis = new INIDataItem(index, defaultvalue, this);
}
return(returnthis);
}
}
public override bool TrySetMember(SetMemberBinder binder, object value)
{
//if it is a dataitem, set it directly.
if (value is INIDataItem)
{
this[binder.Name] = (INIDataItem)value;
return(true);
}
else if (value is Tuple <String, Object> )
{
Tuple <String, Object> theTuple = (Tuple <String, Object>)value;
INIDataItem getitem = this[binder.Name];
getitem.Name = theTuple.Item1;
getitem.Value = theTuple.Item2.ToString();
return(true);
}
else if (value is Tuple <String, String> )
{
Tuple <String, Object> theTuple = (Tuple <String, Object>)value;
INIDataItem getitem = this[binder.Name];
getitem.Name = theTuple.Item1;
getitem.Value = theTuple.Item2.ToString();
return(true);
}
else if (value is KeyValuePair <String, Object> )
{
//Allow a KeyValuePair<String,Object> to be passed to set Name and Value.
KeyValuePair <String, Object> castedval = (KeyValuePair <String, Object>)value;
INIDataItem getitem = this[binder.Name];
getitem.Name = castedval.Key;
getitem.Value = castedval.Value.ToString();
return(true);
}
else if (value is KeyValuePair <String, String> )
{
//Allow a KeyValuePair<String,String> to be passed to set Name and Value.
KeyValuePair <String, String> castedval = (KeyValuePair <String, String>)value;
INIDataItem getitem = this[binder.Name];
getitem.Name = castedval.Key;
getitem.Value = castedval.Value;
return(true);
}
else
{
this[binder.Name].Value = value.ToString();
return(true);
}
}
public void LoadINI(StreamReader fromstream)
{
String currentline = null;
Sections = new List <INISection>();
INISection globalsection = new INISection("cINIFilecsGlobals", "", new List <INIItem>(), this);
INISection currentSection = globalsection;
//while there is still text to read.
while ((currentline = fromstream.ReadLine()) != null)
{
//trim the read in line...
currentline = currentline.Trim();
//if it starts with a square bracket, it's a section.
if (currentline.StartsWith("["))
{
//parse out the section name...
String newsectionname = currentline.Substring(1, currentline.IndexOf(']') - 1);
String eolComment = "";
if (currentline.IndexOf(';') > -1)
{
eolComment = currentline.Substring(currentline.IndexOf(';'));
}
currentSection = new INISection(newsectionname, eolComment, new List <INIItem>(), this);
Sections.Add(currentSection);
}
else if (currentline.StartsWith(";"))
{
//add a new Comment INIItem to the current section.
INIItem newitem = new INIComment(currentline);
currentSection.INIItems.Add(newitem);
}
else
{
INIDataItem createitem = ParseINIValue(currentline, currentSection);
if (createitem != null)
{
currentSection.INIItems.Add(createitem);
//createitem.OwnerSection=currentSection;
}
}
}
if (globalsection.INIItems.Count() > 0)
{
Sections.Add(globalsection);
}
}
/// <summary>
/// Logical inverse of the getValue routine... a bit faster to implement...
/// </summary>
/// <typeparam name="T">Type of the parameter being set</typeparam>
/// <param name="dataitem">INIDataItem class instance</param>
/// <param name="newvalue">New value to set.</param>
/// <remarks>
/// The SetValue Extension method will save the object to the INI value. This is achieved by converting the object to a String.
/// If the object doesn't have a static TryParse() method, but implements the ISerializable interface, the routine will use a BinaryFormatter
/// to serialize the object, and then take that byte stream and create a Base64 encoded string from it, and set that as the value.
/// If the class type implements a static TryParse() routine, however, the routine will simply use .ToString() on the given reference and save that.
/// </remarks>
public static void SetValue <T>(this INIDataItem dataitem, T newvalue)
{
//if T implements ISerializable and doesn't have a TryParse, we'll serialize to a
//Base64 string, and save that instead.
if (Base64Applicable <T>())
{
String useb64 = SerializeToBase64((ISerializable)newvalue);
dataitem.Value = useb64;
}
else
{
dataitem.Value = newvalue.ToString();
}
}
public static void SetValue <T>(this INIDataItem dataitem)
{
dataitem.SetValue <T>(default(T));
}
//extensions for INIDataItem
//normally, INIDataItem is a Name/Value Pair; More Specifically, because of the way INI files are, they are
//naturally typeless. However, most configuration options are mapped to a different type by the application.
//and I've found it to be a gigantic pain to have to write the same TryParse() handling code over and over.
//so I added these handy extensions to the INIDataItem class, which provide some functions for setting.
//I keep them out of the main code simply because that way it doesn't clutter it up. It's already cluttered enough as-is.
/// <summary>
/// Attempts to use Convert.ChangeType() to change the Value of this INIDataItem to the specified type parameter.
/// If this fails, it will attempt to call a static "TryParse(String, out T)" method on the generic type parameter.
/// If THAT fails, it will return the passed in DefaultValue parameter.
/// </summary>
/// <typeparam name="T">Parameter Type to retrieve and act on in Static context.</typeparam>
/// <param name="dataitem">INIDataItem instance whose value is to be parsed to the given type.</param>
/// <param name="DefaultValue">Default value to return</param>
/// <returns>Result of the parse/Conversion, or the passed in DefaultValue</returns>
public static T GetValue <T>(this INIDataItem dataitem, T DefaultValue)
{
//first check if it is a Type that uses Base64...
if (Base64Applicable <T>())
{
// T grabvalue = DeserializeFromBase64<T>(dataitem.Value);
//sigh, darn constraints... now we need to use reflection to create and invoke the generic method with our type T.
var Searchmethods = typeof(INItemValueExtensions).GetMethods();
foreach (MethodInfo iteratemethod in Searchmethods)
{
if (iteratemethod.Name.Equals("DeserializeFromBase64", StringComparison.OrdinalIgnoreCase))
{
MethodInfo DeserializeMethod = iteratemethod.MakeGenericMethod(typeof(T));
//now, invoke it...
T grabvalue = (T)DeserializeMethod.Invoke(null,
BindingFlags.Static | BindingFlags.InvokeMethod, null,
new object[] { dataitem.Value }, null);
return(grabvalue);
}
}
}
//Generic method, attempts to call a static "TryParse" argument on the given class type, passing in the dataitem's value.
try
{
return((T)Convert.ChangeType(dataitem.Value, typeof(T)));
}
catch (Exception ece)
{
//attempt to call TryParse. on the static class type.
//TryParse(String, out T)
Type usetype = typeof(T);
T result = default(T);
Object[] passparams = new object[] { dataitem.Value, result };
try
{
MethodInfo TryParseMethod = null;
foreach (MethodInfo iteratemember in usetype.GetMethods())
{
if (iteratemember.Name.Equals("TryParse", StringComparison.OrdinalIgnoreCase))
{
TryParseMethod = iteratemember;
break;
}
}
if (TryParseMethod != null)
{
bool tpresult = (bool)TryParseMethod.Invoke(result, BindingFlags.InvokeMethod, null, passparams, Thread.CurrentThread.CurrentCulture);
if (tpresult)
{
//tryparse succeeded!
return((T)passparams[1]); //second index was out parameter...
}
else
{
return(DefaultValue);
}
}
else
{
return(DefaultValue);
}
}
catch (Exception xx)
{
//curses...
return(DefaultValue);
}
}
return(DefaultValue);
}
public void LoadINI(StreamReader fromstream)
{
String currentline = null;
Sections = new List <INISection>();
INISection globalsection = new INISection("cINIFilecsGlobals", "", new List <INIItem>(), this);
INISection currentSection = globalsection;
//while there is still text to read.
while ((currentline = fromstream.ReadLine()) != null)
{
//trim the read in line...
currentline = currentline.Trim();
if (currentline.StartsWith("$"))
{
//Special metacommand.
String Metacommand = currentline.Substring(1);
String CommandName = Metacommand.Substring(0, Metacommand.IndexOf(' '));
String parameter = Metacommand.Substring(CommandName.Length + 1);
if (parameter.StartsWith("\"") && parameter.EndsWith("\""))
{
parameter = parameter.Substring(1, parameter.Length - 2);
}
ProcessMetacommand(CommandName, parameter);
}
else if (currentline.StartsWith("["))
{
//if it starts with a square bracket, it's a section.
//parse out the section name...
String newsectionname = currentline.Substring(1, currentline.IndexOf(']') - 1);
String eolComment = "";
if (currentline.IndexOf(';') > -1)
{
eolComment = currentline.Substring(currentline.IndexOf(';'));
}
//Added May 2012: What if we have duplicates of the same section? coalesce them :P.
//we first see if there is a section with this name.
var foundsection = Sections.Find((w) => w.Name.ToUpper() == newsectionname.ToUpper());
if (foundsection != null)
{
currentSection = foundsection; //set to the existing section.
//add to it's comment. why not.
currentSection.eolComment += eolComment.Substring(1);
}
else
{
currentSection = new INISection(newsectionname, eolComment, new List <INIItem>(), this);
}
Sections.Add(currentSection);
}
else if (currentline.StartsWith(";"))
{
//add a new Comment INIItem to the current section.
INIItem newitem = new INIComment(currentline);
currentSection.INIItems.Add(newitem);
}
else
{
INIDataItem createitem = ParseINIValue(currentline, currentSection);
if (createitem != null)
{
INIDataItem found = null;
//look for an existing item in the current section.
if (null != (found = (INIDataItem)(currentSection.INIItems.Find((t) =>
(t is INIDataItem && ((INIDataItem)t).Name.ToUpper() == createitem.Name.ToUpper())))))
{
//set the value of found.
found.Value = createitem.Value;
}
else
{
currentSection.INIItems.Add(createitem);
//createitem.OwnerSection=currentSection;
}
}
}
}
if (globalsection.INIItems.Count() > 0)
{
Sections.Add(globalsection);
}
}
