wehub-resource-sync
137 lines
4.2 KiB
C#
137 lines
4.2 KiB
C#
using System.Text.RegularExpressions;
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namespace Lib.@string.logic;
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[Guid("7baaa83d-5c09-42a0-b7bc-35dbcfa5156d")]
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internal sealed class PickStringPart : Instance<PickStringPart>
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{
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[Output(Guid = "62368C06-7815-47BC-9B0D-3024A2907E01")]
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public readonly Slot<string> Fragments = new();
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[Output(Guid = "88888C06-7815-47BC-9B0D-3024A2907E01")]
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public readonly Slot<int> TotalCount = new();
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public PickStringPart()
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{
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Fragments.UpdateAction += Update;
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TotalCount.UpdateAction += Update;
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}
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private enum EntityTypes
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{
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Characters = 0,
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Words,
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Lines,
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Sentences,
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}
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private EntityTypes _splitInto;
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private void Update(EvaluationContext context)
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{
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if (InputText.DirtyFlag.IsDirty || SplitInto.DirtyFlag.IsDirty)
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{
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_splitInto = (EntityTypes)SplitInto.GetValue(context);
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var inputText = InputText.GetValue(context);
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if (inputText == null)
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{
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Fragments.Value = null;
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return;
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}
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if (!string.IsNullOrEmpty(inputText))
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inputText = inputText.Replace("\\n", "\n");
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switch (_splitInto)
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{
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case EntityTypes.Characters:
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_chunks = Regex.Split(inputText, string.Empty);
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//_chunks = inputText.ToCharArray();
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//_chunks = new Regex("(.)").Split(inputText);
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_delimiter = "";
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break;
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case EntityTypes.Words:
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_chunks = new Regex("[\\s\\.\\;\\,()`:]+").Split(inputText);
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_delimiter = " ";
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break;
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case EntityTypes.Lines:
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_chunks = new Regex("\\n+").Split(inputText);
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_delimiter = "\n";
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break;
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case EntityTypes.Sentences:
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_chunks = new Regex("\\.[\\s\\.]*").Split(inputText);
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_delimiter = ". ";
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break;
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default:
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_chunks = new string[0];
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break;
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}
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_numberOfChunks = _chunks.Length > 0 && string.IsNullOrEmpty(_chunks[_chunks.Length - 1])
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? _chunks.Length - 1
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: _chunks.Length;
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//_lastFragment = "";
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}
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var fragmentStart = FragmentStart.GetValue(context);
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var fragmentCount = FragmentCount.GetValue(context);
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//if (_splitInto == EntityTypes.Characters)
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// fragmentCount *= 2;
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Fragments.Value = GetFragment(fragmentStart, fragmentCount);
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TotalCount.Value = _chunks.Length;
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Fragments.DirtyFlag.Clear();
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TotalCount.DirtyFlag.Clear();
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}
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private string GetFragment(int startFragment, int fragmentCount)
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{
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if (fragmentCount <= 0 || _numberOfChunks == 0)
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return "";
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var sb = new StringBuilder();
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for (var index = 0;
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index < fragmentCount;
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index++)
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{
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if(index > 0)
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sb.Append(_delimiter);
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var moduloIndex = (startFragment + index) % _numberOfChunks;
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if (moduloIndex < 0)
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moduloIndex += _numberOfChunks;
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//sb.Append(d);
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//sb.Append(_chunks[moduloIndex]);
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//d = _delimiter;
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sb.Append(_chunks[moduloIndex]);
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}
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return sb.ToString();
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}
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private int _numberOfChunks;
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private string[] _chunks;
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private string _delimiter;
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[Input(Guid = "05d7962b-a02e-4ab5-9927-865375348ccd")]
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public readonly InputSlot<string> InputText = new("Line\nLine");
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[Input(Guid = "5D7184F6-CF46-4CB0-B29F-B3C52B34B634", MappedType = typeof(EntityTypes))]
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public readonly InputSlot<int> SplitInto = new();
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[Input(Guid = "9CB908AD-0800-4B88-B256-C6CC2B84AB6C")]
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public readonly InputSlot<int> FragmentStart = new();
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[Input(Guid = "7520DB6D-7855-40E1-BB81-EAD290815435")]
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public readonly InputSlot<int> FragmentCount = new();
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} |