Overwrite
Complete Overwrite of the Folder with the free shard. ServUO 57.3 has been added.
This commit is contained in:
Unstable Kitsune
262
Scripts/Commands/Generic/Implementors/ObjectConditional.cs
Normal file
262
Scripts/Commands/Generic/Implementors/ObjectConditional.cs
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using System;
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using System.Collections.Generic;
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namespace Server.Commands.Generic
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{
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public sealed class ObjectConditional
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{
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private static readonly Type typeofItem = typeof(Item);
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private static readonly Type typeofMobile = typeof(Mobile);
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private readonly Type m_ObjectType;
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private readonly ICondition[][] m_Conditions;
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private IConditional[] m_Conditionals;
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public Type Type
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{
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get
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{
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return this.m_ObjectType;
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}
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}
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public bool IsItem
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{
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get
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{
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return (this.m_ObjectType == null || this.m_ObjectType == typeofItem || this.m_ObjectType.IsSubclassOf(typeofItem));
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}
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}
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public bool IsMobile
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{
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get
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{
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return (this.m_ObjectType == null || this.m_ObjectType == typeofMobile || this.m_ObjectType.IsSubclassOf(typeofMobile));
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}
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}
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public static readonly ObjectConditional Empty = new ObjectConditional(null, null);
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public bool HasCompiled
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{
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get
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{
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return (this.m_Conditionals != null);
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}
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}
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public void Compile(ref AssemblyEmitter emitter)
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{
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if (emitter == null)
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emitter = new AssemblyEmitter("__dynamic", false);
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this.m_Conditionals = new IConditional[this.m_Conditions.Length];
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for (int i = 0; i < this.m_Conditionals.Length; ++i)
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this.m_Conditionals[i] = ConditionalCompiler.Compile(emitter, this.m_ObjectType, this.m_Conditions[i], i);
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}
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public bool CheckCondition(object obj)
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{
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if (this.m_ObjectType == null)
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return true; // null type means no condition
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if (!this.HasCompiled)
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{
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AssemblyEmitter emitter = null;
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this.Compile(ref emitter);
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}
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for (int i = 0; i < this.m_Conditionals.Length; ++i)
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{
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if (this.m_Conditionals[i].Verify(obj))
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return true;
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}
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return false; // all conditions false
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}
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public static ObjectConditional Parse(Mobile from, ref string[] args)
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{
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string[] conditionArgs = null;
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for (int i = 0; i < args.Length; ++i)
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{
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if (Insensitive.Equals(args[i], "where"))
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{
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string[] origArgs = args;
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args = new string[i];
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for (int j = 0; j < args.Length; ++j)
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args[j] = origArgs[j];
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conditionArgs = new string[origArgs.Length - i - 1];
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for (int j = 0; j < conditionArgs.Length; ++j)
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conditionArgs[j] = origArgs[i + j + 1];
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break;
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}
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}
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return ParseDirect(from, conditionArgs, 0, conditionArgs.Length);
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}
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public static ObjectConditional ParseDirect(Mobile from, string[] args, int offset, int size)
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{
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if (args == null || size == 0)
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return ObjectConditional.Empty;
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int index = 0;
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Type objectType = ScriptCompiler.FindTypeByName(args[offset + index], true);
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if (objectType == null)
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throw new Exception(String.Format("No type with that name ({0}) was found.", args[offset + index]));
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++index;
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List<ICondition[]> conditions = new List<ICondition[]>();
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List<ICondition> current = new List<ICondition>();
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current.Add(TypeCondition.Default);
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while (index < size)
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{
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string cur = args[offset + index];
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bool inverse = false;
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if (Insensitive.Equals(cur, "not") || cur == "!")
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{
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inverse = true;
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++index;
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if (index >= size)
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throw new Exception("Improperly formatted object conditional.");
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}
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else if (Insensitive.Equals(cur, "or") || cur == "||")
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{
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if (current.Count > 1)
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{
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conditions.Add(current.ToArray());
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current.Clear();
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current.Add(TypeCondition.Default);
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}
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++index;
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continue;
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}
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string binding = args[offset + index];
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index++;
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if (index >= size)
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throw new Exception("Improperly formatted object conditional.");
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string oper = args[offset + index];
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index++;
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if (index >= size)
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throw new Exception("Improperly formatted object conditional.");
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string val = args[offset + index];
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index++;
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Property prop = new Property(binding);
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prop.BindTo(objectType, PropertyAccess.Read);
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prop.CheckAccess(from);
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ICondition condition = null;
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switch ( oper )
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{
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#region Equality
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case "=":
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case "==":
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case "is":
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condition = new ComparisonCondition(prop, inverse, ComparisonOperator.Equal, val);
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break;
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case "!=":
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condition = new ComparisonCondition(prop, inverse, ComparisonOperator.NotEqual, val);
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break;
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#endregion
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#region Relational
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case ">":
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condition = new ComparisonCondition(prop, inverse, ComparisonOperator.Greater, val);
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break;
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case "<":
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condition = new ComparisonCondition(prop, inverse, ComparisonOperator.Lesser, val);
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break;
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case ">=":
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condition = new ComparisonCondition(prop, inverse, ComparisonOperator.GreaterEqual, val);
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break;
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case "<=":
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condition = new ComparisonCondition(prop, inverse, ComparisonOperator.LesserEqual, val);
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break;
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#endregion
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#region Strings
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case "==~":
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case "~==":
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case "=~":
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case "~=":
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case "is~":
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case "~is":
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condition = new StringCondition(prop, inverse, StringOperator.Equal, val, true);
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break;
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case "!=~":
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case "~!=":
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condition = new StringCondition(prop, inverse, StringOperator.NotEqual, val, true);
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break;
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case "starts":
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condition = new StringCondition(prop, inverse, StringOperator.StartsWith, val, false);
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break;
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case "starts~":
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case "~starts":
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condition = new StringCondition(prop, inverse, StringOperator.StartsWith, val, true);
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break;
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case "ends":
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condition = new StringCondition(prop, inverse, StringOperator.EndsWith, val, false);
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break;
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case "ends~":
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case "~ends":
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condition = new StringCondition(prop, inverse, StringOperator.EndsWith, val, true);
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break;
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case "contains":
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condition = new StringCondition(prop, inverse, StringOperator.Contains, val, false);
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break;
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case "contains~":
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case "~contains":
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condition = new StringCondition(prop, inverse, StringOperator.Contains, val, true);
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break;
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#endregion
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}
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if (condition == null)
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throw new InvalidOperationException(String.Format("Unrecognized operator (\"{0}\").", oper));
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current.Add(condition);
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}
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conditions.Add(current.ToArray());
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return new ObjectConditional(objectType, conditions.ToArray());
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}
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public ObjectConditional(Type objectType, ICondition[][] conditions)
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{
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this.m_ObjectType = objectType;
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this.m_Conditions = conditions;
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}
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}
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}
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