public static ConfigObject ApplyJsonFromFileInfo(FileInfo file, ConfigObject config = null)
{
var overlay_json = File.ReadAllText(file.FullName);
dynamic overlay_config = ParseJson(overlay_json);
return(Merger.Merge(overlay_config, config));
}
// seeks a folder for .conf files
public static ConfigObject ApplyFromDirectory(string path, ConfigObject config = null, bool recursive = false)
{
if (!Directory.Exists(path))
{
throw new Exception("no folder found in the given path");
}
if (config == null)
{
config = new ConfigObject();
}
DirectoryInfo info = new DirectoryInfo(path);
if (recursive)
{
foreach (var dir in info.GetDirectories())
{
Console.WriteLine("reading in folder {0}", dir.ToString());
config = ApplyFromDirectoryInfo(dir, config, recursive);
}
}
// find all files
var files = info.GetFiles();
foreach (var file in files)
{
Console.WriteLine("reading in file {0}", file.ToString());
config = ApplyJsonFromFileInfo(file, config);
}
return(config);
}
public void ApplyJson(string json)
{
ConfigObject result = Config.ApplyJson(json, this);
// replace myself's members with the new ones
this.members = result.members;
}
public static ConfigObject ApplyJson(string json, ConfigObject config = null)
{
if (config == null)
{
config = new ConfigObject();
}
dynamic parsed = ParseJson(json);
return(Merger.Merge(parsed, config));
}
public static void SetUserConfig(ConfigObject config)
{
User = config;
// disable the watcher
if (userConfigWatcher != null)
{
userConfigWatcher.EnableRaisingEvents = false;
userConfigWatcher.Dispose();
userConfigWatcher = null;
}
// invalidate the Global config, forcing a re-merge next time its accessed
global_config = null;
}
public static ConfigObject ParseJson(string json)
{
#region 去除带#的注释
var lines = json.Split(new char[] { '\n' });
// remove lines that start with a dash # character
var filtered = from l in lines
where !(Regex.IsMatch(l, @"^\s*#(.*)"))
select l;
var filtered_json = string.Join("\n", filtered);
#endregion
ExpandoObject parsed = Newtonsoft.Json.JsonConvert.DeserializeObject <ExpandoObject>(filtered_json);
// convert the ExpandoObject to ConfigObject before returning
var result = ConfigObject.FromExpando(parsed);
return(result);
}
private static dynamic GetDefaultConfig(Assembly assembly)
{
var dconf_json = ScanForDefaultConfig(assembly);
if (dconf_json == null || dconf_json.Count == 0)
{
return(null);
}
ConfigObject cfg = new ConfigObject();
foreach (var dconf in dconf_json)
{
cfg = Merger.Merge(ParseJson(dconf), cfg);
}
return(cfg);
}
public static ConfigObject FromExpando(ExpandoObject e)
{
var edict = e as IDictionary <string, object>;
var c = new ConfigObject();
var cdict = (IDictionary <string, object>)c;
// this is not complete. It will, however work for JsonFX ExpandoObjects
// which consits only of primitive types, ExpandoObject or ExpandoObject []
// but won't work for generic ExpandoObjects which might include collections etc.
foreach (var kvp in edict)
{
// recursively convert and add ExpandoObjects
if (kvp.Value is ExpandoObject)
{
cdict.Add(kvp.Key, FromExpando((ExpandoObject)kvp.Value));
}
#region 对于数组里面的ExpandoObject，转换为ConfigObject没有意义，因为配置后面的覆盖逻辑只会针对数组本身，不会细到数组中的每一项
//else if (kvp.Value is ExpandoObject[])
//{
// var config_objects = new List<ConfigObject>();
// foreach (var ex in ((ExpandoObject[])kvp.Value))
// {
// config_objects.Add(FromExpando(ex));
// }
// cdict.Add(kvp.Key, config_objects.ToArray());
//}
//else if (kvp.Value is List<Object>)
//{
// var config_objects = new List<ConfigObject>();
// foreach (var ex in ((List<Object>)kvp.Value))
// {
// config_objects.Add(FromExpando((ExpandoObject)ex));
// }
// cdict.Add(kvp.Key, config_objects.ToArray());
//}
#endregion
else
{
cdict.Add(kvp.Key, kvp.Value);
}
}
return(c);
}
public static ConfigObject ApplyFromDirectoryInfo(DirectoryInfo info, ConfigObject config = null, bool recursive = false)
{
return(ApplyFromDirectory(info.FullName, config, recursive));
}
public static ConfigObject ApplyJsonFromPath(string path, ConfigObject config = null)
{
return(ApplyJsonFromFileInfo(new FileInfo(path), config));
}
/// <summary>
/// Merge the specified obj2 and obj1, where obj1 has precendence and
/// overrules obj2 if necessary.
/// 注：合并的顺序很重要，第一个参数会覆盖掉第二个参数中相同的配置
/// </summary>
/// <exception cref='TypeMissmatchException'>
/// Is thrown when the type missmatch exception.
/// </exception>
public static dynamic Merge(dynamic m_obj1, dynamic m_obj2)
{
dynamic obj1 = m_obj1;
dynamic obj2 = m_obj2;
// make sure we only deal with ConfigObject but not ExpandoObject as currently
// return from JsonFX
if (obj1 is ExpandoObject)
{
obj1 = ConfigObject.FromExpando(obj1);
}
if (obj2 is ExpandoObject)
{
obj2 = ConfigObject.FromExpando(obj2);
}
// if both objects are NullExceptionPreventer, return a ConfigObject so the
// user gets an "Empty" ConfigObject
if (obj1 is NullExceptionPreventer && obj2 is NullExceptionPreventer)
{
return(new ConfigObject());
}
// if any object is of NullExceptionPreventer, the other object gets precedence / overruling
if (obj1 is NullExceptionPreventer && obj2 is ConfigObject)
{
return(obj2);
}
if (obj2 is NullExceptionPreventer && obj1 is ConfigObject)
{
return(obj1);
}
// handle what happens if one of the args is null
if (obj1 == null && obj2 == null)
{
return(new ConfigObject());
}
if (obj2 == null)
{
return(obj1);
}
if (obj1 == null)
{
return(obj2);
}
if (obj1.GetType() != obj2.GetType())
{
throw new TypeMissmatchException();
}
// changes in the dictionary WILL REFLECT back to the object
var dict1 = (IDictionary <string, object>)(obj1);
var dict2 = (IDictionary <string, object>)(obj2);
dynamic result = new ConfigObject();
var rdict = (IDictionary <string, object>)result;
// first, copy all non colliding keys over
foreach (var kvp in dict1)
{
if (!dict2.Keys.Contains(kvp.Key))
{
rdict.Add(kvp.Key, kvp.Value);
}
}
foreach (var kvp in dict2)
{
if (!dict1.Keys.Contains(kvp.Key))
{
rdict.Add(kvp.Key, kvp.Value);
}
}
// now handle the colliding keys
foreach (var kvp1 in dict1)
{
// skip already copied over keys
if (!dict2.Keys.Contains(kvp1.Key) || dict2[kvp1.Key] == null)
{
continue;
}
var kvp2 = new KeyValuePair <string, object> (kvp1.Key, dict2[kvp1.Key]);
// some shortcut variables to make code more readable
var key = kvp1.Key;
var value1 = kvp1.Value;
var value2 = kvp2.Value;
var type1 = value1.GetType();
var type2 = value1.GetType();
// check if both are same type
if (type1 != type2)
{
throw new TypeMissmatchException();
}
if (value1 is ConfigObject[])
{
//rdict[key] = CollectionMerge (value1, value2);
/*var d1 = val1 as IDictionary<string, object>;
* var d2 = val2 as IDictionary<string, object>;
* rdict[key] = CollectionMerge (val1, val2); */
//zxs 这里感觉覆盖要比合并要好, 不过程序貌似走不到这儿来
rdict[key] = value1;
}
else if (value1 is ConfigObject)
{
//这个递归比较核心
rdict[key] = Merge(value1, value2);
}
else if (value1 is string)
{
rdict[key] = value1;
}
else if (value1 is IEnumerable)
{
//rdict[key] = CollectionMerge (value1, value2);
//zxs 这里感觉覆盖要比合并要好, 不过程序貌似走不到这儿来
rdict[key] = value1;
}
else
{
rdict[key] = value1;
}
}
return(result);
}
