Profile selection in the context menu

docs/Changelog.md

@@ -1,11 +1,12 @@
 
 5.4.9.2 Beta (2021-??-??)
 
-- Manual translated to simplified Chinese (hooke007)
+- Manual translated to simplified Chinese. (hooke007)
 - Showing the playlist selects the currently played file/stream in the playlist.
 - Properties are shown in the command palette instead of the text editor
   making it very easy to find a property and show/print its value.
 - Support for --keep-open=no.
+- Profile selection in the context menu.
 
 
 5.4.9.1 Beta (2021-06-23)

src/Misc/JSONParser.cs

@@ -0,0 +1,415 @@
+
+// https://github.com/zanders3/json
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Runtime.Serialization;
+using System.Text;
+
+namespace mpvnet
+{
+    public static class JSONParser
+    {
+        [ThreadStatic] static Stack<List<string>> splitArrayPool;
+        [ThreadStatic] static StringBuilder stringBuilder;
+        [ThreadStatic] static Dictionary<Type, Dictionary<string, FieldInfo>> fieldInfoCache;
+        [ThreadStatic] static Dictionary<Type, Dictionary<string, PropertyInfo>> propertyInfoCache;
+
+        public static T FromJson<T>(this string json)
+        {
+            // Initialize, if needed, the ThreadStatic variables
+            if (propertyInfoCache == null)
+                propertyInfoCache = new Dictionary<Type, Dictionary<string, PropertyInfo>>();
+       
+            if (fieldInfoCache == null)
+                fieldInfoCache = new Dictionary<Type, Dictionary<string, FieldInfo>>();
+      
+            if (stringBuilder == null)
+                stringBuilder = new StringBuilder();
+           
+            if (splitArrayPool == null)
+                splitArrayPool = new Stack<List<string>>();
+
+            //Remove all whitespace not within strings to make parsing simpler
+            stringBuilder.Length = 0;
+
+            for (int i = 0; i < json.Length; i++)
+            {
+                char c = json[i];
+
+                if (c == '"')
+                {
+                    i = AppendUntilStringEnd(true, i, json);
+                    continue;
+                }
+
+                if (char.IsWhiteSpace(c))
+                    continue;
+
+                stringBuilder.Append(c);
+            }
+
+            //Parse the thing!
+            return (T)ParseValue(typeof(T), stringBuilder.ToString());
+        }
+
+        static int AppendUntilStringEnd(bool appendEscapeCharacter, int startIdx, string json)
+        {
+            stringBuilder.Append(json[startIdx]);
+
+            for (int i = startIdx + 1; i < json.Length; i++)
+            {
+                if (json[i] == '\\')
+                {
+                    if (appendEscapeCharacter)
+                        stringBuilder.Append(json[i]);
+                    stringBuilder.Append(json[i + 1]);
+                    i++;//Skip next character as it is escaped
+                }
+                else if (json[i] == '"')
+                {
+                    stringBuilder.Append(json[i]);
+                    return i;
+                }
+                else
+                    stringBuilder.Append(json[i]);
+            }
+
+            return json.Length - 1;
+        }
+
+        //Splits { <value>:<value>, <value>:<value> } and [ <value>, <value> ] into a list of <value> strings
+        static List<string> Split(string json)
+        {
+            List<string> splitArray = splitArrayPool.Count > 0 ? splitArrayPool.Pop() : new List<string>();
+            splitArray.Clear();
+         
+            if (json.Length == 2)
+                return splitArray;
+
+            int parseDepth = 0;
+            stringBuilder.Length = 0;
+
+            for (int i = 1; i < json.Length - 1; i++)
+            {
+                switch (json[i])
+                {
+                    case '[':
+                    case '{':
+                        parseDepth++;
+                        break;
+                    case ']':
+                    case '}':
+                        parseDepth--;
+                        break;
+                    case '"':
+                        i = AppendUntilStringEnd(true, i, json);
+                        continue;
+                    case ',':
+                    case ':':
+                        if (parseDepth == 0)
+                        {
+                            splitArray.Add(stringBuilder.ToString());
+                            stringBuilder.Length = 0;
+                            continue;
+                        }
+                        break;
+                }
+
+                stringBuilder.Append(json[i]);
+            }
+
+            splitArray.Add(stringBuilder.ToString());
+
+            return splitArray;
+        }
+
+        internal static object ParseValue(Type type, string json)
+        {
+            if (type == typeof(string))
+            {
+                if (json.Length <= 2)
+                    return string.Empty;
+
+                StringBuilder parseStringBuilder = new StringBuilder(json.Length);
+             
+                for (int i = 1; i < json.Length - 1; ++i)
+                {
+                    if (json[i] == '\\' && i + 1 < json.Length - 1)
+                    {
+                        int j = "\"\\nrtbf/".IndexOf(json[i + 1]);
+                  
+                        if (j >= 0)
+                        {
+                            parseStringBuilder.Append("\"\\\n\r\t\b\f/"[j]);
+                            ++i;
+                            continue;
+                        }
+                        if (json[i + 1] == 'u' && i + 5 < json.Length - 1)
+                        {
+                            uint c = 0;
+                       
+                            if (uint.TryParse(json.Substring(i + 2, 4), System.Globalization.NumberStyles.AllowHexSpecifier, null, out c))
+                            {
+                                parseStringBuilder.Append((char)c);
+                                i += 5;
+                                continue;
+                            }
+                        }
+                    }
+
+                    parseStringBuilder.Append(json[i]);
+                }
+
+                return parseStringBuilder.ToString();
+            }
+
+            if (type.IsPrimitive)
+            {
+                var result = Convert.ChangeType(json, type, System.Globalization.CultureInfo.InvariantCulture);
+                return result;
+            }
+
+            if (type == typeof(decimal))
+            {
+                decimal result;
+                decimal.TryParse(json, System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out result);
+                return result;
+            }
+
+            if (json == "null")
+                return null;
+
+            if (type.IsEnum)
+            {
+                if (json[0] == '"')
+                    json = json.Substring(1, json.Length - 2);
+
+                try
+                {
+                    return Enum.Parse(type, json, false);
+                }
+                catch
+                {
+                    return 0;
+                }
+            }
+
+            if (type.IsArray)
+            {
+                Type arrayType = type.GetElementType();
+
+                if (json[0] != '[' || json[json.Length - 1] != ']')
+                    return null;
+
+                List<string> elems = Split(json);
+                Array newArray = Array.CreateInstance(arrayType, elems.Count);
+
+                for (int i = 0; i < elems.Count; i++)
+                    newArray.SetValue(ParseValue(arrayType, elems[i]), i);
+
+                splitArrayPool.Push(elems);
+                return newArray;
+            }
+
+            if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(List<>))
+            {
+                Type listType = type.GetGenericArguments()[0];
+
+                if (json[0] != '[' || json[json.Length - 1] != ']')
+                    return null;
+
+                List<string> elems = Split(json);
+                var list = (IList)type.GetConstructor(new Type[] { typeof(int) }).Invoke(new object[] { elems.Count });
+          
+                for (int i = 0; i < elems.Count; i++)
+                    list.Add(ParseValue(listType, elems[i]));
+
+                splitArrayPool.Push(elems);
+                return list;
+            }
+
+            if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Dictionary<,>))
+            {
+                Type keyType, valueType;
+                {
+                    Type[] args = type.GetGenericArguments();
+                    keyType = args[0];
+                    valueType = args[1];
+                }
+
+                //Refuse to parse dictionary keys that aren't of type string
+                if (keyType != typeof(string))
+                    return null;
+
+                //Must be a valid dictionary element
+                if (json[0] != '{' || json[json.Length - 1] != '}')
+                    return null;
+
+                //The list is split into key/value pairs only, this means the split must be divisible by 2 to be valid JSON
+                List<string> elems = Split(json);
+
+                if (elems.Count % 2 != 0)
+                    return null;
+
+                var dictionary = (IDictionary)type.GetConstructor(new Type[] { typeof(int) }).Invoke(new object[] { elems.Count / 2 });
+           
+                for (int i = 0; i < elems.Count; i += 2)
+                {
+                    if (elems[i].Length <= 2)
+                        continue;
+                    string keyValue = elems[i].Substring(1, elems[i].Length - 2);
+                    object val = ParseValue(valueType, elems[i + 1]);
+                    dictionary[keyValue] = val;
+                }
+
+                return dictionary;
+            }
+
+            if (type == typeof(object))
+                return ParseAnonymousValue(json);
+
+            if (json[0] == '{' && json[json.Length - 1] == '}')
+                return ParseObject(type, json);
+
+            return null;
+        }
+
+        static object ParseAnonymousValue(string json)
+        {
+            if (json.Length == 0)
+                return null;
+
+            if (json[0] == '{' && json[json.Length - 1] == '}')
+            {
+                List<string> elems = Split(json);
+
+                if (elems.Count % 2 != 0)
+                    return null;
+
+                var dict = new Dictionary<string, object>(elems.Count / 2);
+         
+                for (int i = 0; i < elems.Count; i += 2)
+                    dict[elems[i].Substring(1, elems[i].Length - 2)] = ParseAnonymousValue(elems[i + 1]);
+
+                return dict;
+            }
+
+            if (json[0] == '[' && json[json.Length - 1] == ']')
+            {
+                List<string> items = Split(json);
+                var finalList = new List<object>(items.Count);
+          
+                for (int i = 0; i < items.Count; i++)
+                    finalList.Add(ParseAnonymousValue(items[i]));
+
+                return finalList;
+            }
+
+            if (json[0] == '"' && json[json.Length - 1] == '"')
+            {
+                string str = json.Substring(1, json.Length - 2);
+                return str.Replace("\\", string.Empty);
+            }
+
+            if (char.IsDigit(json[0]) || json[0] == '-')
+            {
+                if (json.Contains("."))
+                {
+                    double result;
+                    double.TryParse(json, System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out result);
+                    return result;
+                }
+                else
+                {
+                    int result;
+                    int.TryParse(json, out result);
+                    return result;
+                }
+            }
+
+            if (json == "true")
+                return true;
+
+            if (json == "false")
+                return false;
+
+            // handles json == "null" as well as invalid JSON
+            return null;
+        }
+
+        static Dictionary<string, T> CreateMemberNameDictionary<T>(T[] members) where T : MemberInfo
+        {
+            Dictionary<string, T> nameToMember = new Dictionary<string, T>(StringComparer.OrdinalIgnoreCase);
+        
+            for (int i = 0; i < members.Length; i++)
+            {
+                T member = members[i];
+
+                if (member.IsDefined(typeof(IgnoreDataMemberAttribute), true))
+                    continue;
+
+                string name = member.Name;
+
+                if (member.IsDefined(typeof(DataMemberAttribute), true))
+                {
+                    DataMemberAttribute dataMemberAttribute = (DataMemberAttribute)Attribute.GetCustomAttribute(member, typeof(DataMemberAttribute), true);
+               
+                    if (!string.IsNullOrEmpty(dataMemberAttribute.Name))
+                        name = dataMemberAttribute.Name;
+                }
+
+                nameToMember.Add(name, member);
+            }
+
+            return nameToMember;
+        }
+
+        static object ParseObject(Type type, string json)
+        {
+            object instance = FormatterServices.GetUninitializedObject(type);
+
+            //The list is split into key/value pairs only, this means the split must be divisible by 2 to be valid JSON
+            List<string> elems = Split(json);
+      
+            if (elems.Count % 2 != 0)
+                return instance;
+
+            Dictionary<string, FieldInfo> nameToField;
+            Dictionary<string, PropertyInfo> nameToProperty;
+      
+            if (!fieldInfoCache.TryGetValue(type, out nameToField))
+            {
+                nameToField = CreateMemberNameDictionary(type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.FlattenHierarchy));
+                fieldInfoCache.Add(type, nameToField);
+            }
+
+            if (!propertyInfoCache.TryGetValue(type, out nameToProperty))
+            {
+                nameToProperty = CreateMemberNameDictionary(type.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.FlattenHierarchy));
+                propertyInfoCache.Add(type, nameToProperty);
+            }
+
+            for (int i = 0; i < elems.Count; i += 2)
+            {
+                if (elems[i].Length <= 2)
+                    continue;
+
+                string key = elems[i].Substring(1, elems[i].Length - 2);
+                string value = elems[i + 1];
+
+                FieldInfo fieldInfo;
+                PropertyInfo propertyInfo;
+         
+                if (nameToField.TryGetValue(key, out fieldInfo))
+                    fieldInfo.SetValue(instance, ParseValue(fieldInfo.FieldType, value));
+                else if (nameToProperty.TryGetValue(key, out propertyInfo))
+                    propertyInfo.SetValue(instance, ParseValue(propertyInfo.PropertyType, value), null);
+            }
+
+            return instance;
+        }
+    }
+}

src/Resources/input.conf.txt

@@ -158,6 +158,8 @@ _       script-message mpv.net show-protocols       #menu: View > Show Protocols
 F9      show-text ${track-list} 5000                #menu: View > Show Tracks
 Ctrl+m  script-message mpv.net show-media-info      #menu: View > Show Media Info
 
+_       ignore                                      #menu: Profile
+
 c       script-message mpv.net show-conf-editor     #menu: Settings > Show Config Editor
 Ctrl+i  script-message mpv.net show-input-editor    #menu: Settings > Show Input Editor
 Ctrl+f  script-message mpv.net open-conf-folder     #menu: Settings > Open Config Folder

src/WinForms/MainForm.cs

@@ -302,6 +302,38 @@ namespace mpvnet
                                 () => Core.SetBluRayTitle(item.Index));
                 }
             }
+
+            MenuItem profiles = FindMenuItem("Profile");
+
+            if (profiles != null)
+            {
+                profiles.DropDownItems.Clear();
+
+                foreach (string profile in ProfileNames)
+                    if (!profile.StartsWith("extension."))
+                        MenuItem.Add(profiles.DropDownItems, profile,
+                            () => {
+                                Core.CommandV("show-text", profile);
+                                Core.CommandV("apply-profile", profile);
+                            });
+            }
+        }
+
+        private string[] _ProfileNames;
+
+        public string[] ProfileNames {
+            get {
+                if (_ProfileNames == null)
+                {
+                    string[] ignore = { "builtin-pseudo-gui", "encoding", "libmpv", "pseudo-gui", "default" };
+                    string profileList = Core.GetPropertyString("profile-list");
+                    var json = profileList.FromJson<List<Dictionary<string, object>>>();
+                    _ProfileNames = json.Select(i => i["name"].ToString())
+                                        .Where(i => !ignore.Contains(i)).ToArray();
+                }
+
+                return _ProfileNames;
+            }
         }
 
         MenuItem FindMenuItem(string text, ToolStripItemCollection items)

src/mpv.net.csproj

@@ -69,6 +69,7 @@
       <HintPath>..\packages\Microsoft.PowerShell.5.ReferenceAssemblies.1.1.0\lib\net4\System.Management.Automation.dll</HintPath>
     </Reference>
     <Reference Include="System.Net.Http" />
+    <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xaml" />
     <Reference Include="System.Xml" />
@@ -78,6 +79,7 @@
   <ItemGroup>
     <Compile Include="Misc\App.cs" />
     <Compile Include="Misc\Common.cs" />
+    <Compile Include="Misc\JSONParser.cs" />
     <Compile Include="WPF\RelayCommand.cs" />
     <Compile Include="Misc\CSharpScriptHost.cs" />
     <Compile Include="Misc\Extension.cs" />