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125 lines
3 KiB
C#
125 lines
3 KiB
C#
#region ================== Copyright (c) 2021 Boris Iwanski
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/*
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* Copyright (c) 2021 Boris Iwanski
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* This program is released under GNU General Public License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#endregion
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#region ================== Namespaces
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using System;
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using System.Collections.Generic;
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using System.Text.RegularExpressions;
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using CodeImp.DoomBuilder.Map;
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#endregion
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namespace CodeImp.DoomBuilder.BuilderModes
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{
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class BaseFindUDMFField : BaseFindMapElement
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{
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#region ================== Properties
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public override string UsageHint
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{
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get
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{
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return "Usage: field [value]" + Environment.NewLine
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+ "Supported wildcards (for both field and value):" + Environment.NewLine
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+ "* - zero or more characters" + Environment.NewLine
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+ "? - one character";
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}
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}
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#endregion
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#region ================== Methods
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public override bool CanReplace()
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{
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return false;
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}
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public override bool DetermineVisiblity()
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{
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return General.Map.UDMF;
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}
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/// <summary>
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/// Gets map elements with matching fields
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/// </summary>
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/// <param name="key">Field name</param>
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/// <param name="value">Field value</param>
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/// <param name="list">List of map elements to check</param>
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/// <returns></returns>
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protected FindReplaceObject[] GetObjects(string input, ICollection<MapElement> list)
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{
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if (string.IsNullOrWhiteSpace(input))
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return new FindReplaceObject[] { };
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List<FindReplaceObject> objs = new List<FindReplaceObject>();
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string key;
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string value;
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input = input.Trim();
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if (input.IndexOf(' ') == -1)
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{
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key = input;
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value = string.Empty;
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}
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else
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{
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key = input.Substring(0, input.IndexOf(' '));
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value = input.Substring(input.IndexOf(' ')).Trim();
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}
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Regex keyre = new Regex(WildCardToRegular(key));
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Regex valuere = new Regex(WildCardToRegular(value));
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foreach(MapElement me in list)
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{
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foreach(KeyValuePair<string, UniValue> kvp in me.Fields)
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{
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if (keyre.IsMatch(kvp.Key))
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{
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bool matching = true;
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string fieldvalue = kvp.Value.Value.ToString();
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if (!string.IsNullOrEmpty(value))
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{
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if (!valuere.IsMatch(fieldvalue))
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matching = false;
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}
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if(matching)
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objs.Add(new FindReplaceObject(me, me.GetType().Name + " " + me.Index.ToString() + ". " + kvp.Key + ": " + fieldvalue));
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}
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}
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}
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return objs.ToArray();
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}
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/// <summary>
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/// Turns a wildcard string into an regular expression. Taken from https://stackoverflow.com/a/30300521 (by user Dmitry Bychenko)
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/// </summary>
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/// <param name="value">String with wildcards</param>
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/// <returns>String of regular expression</returns>
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private static string WildCardToRegular(string value)
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{
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return "^" + Regex.Escape(value).Replace("\\?", ".").Replace("\\*", ".*") + "$";
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}
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#endregion
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}
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}
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