347 lines
14 KiB
C#
347 lines
14 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace ConsoleLSystem {
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public class LSystemNodeLiteral {
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public string name { get; }
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public int values_number { get; }
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public float[] values { get; set; }
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public LSystemNodeLiteral(string name, int values_number) {
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this.name = name;
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this.values_number = values_number;
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//in case it would be 0
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values = new float[values_number];
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}
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public LSystemNodeLiteral(LSystemNodeLiteral other) {
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this.name = other.name;
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this.values_number = other.values_number;
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//in case it would be 0
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values = new float[this.values_number];
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other.values.CopyTo(values, 0);
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}
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public static bool operator ==(LSystemNodeLiteral thisLiteral, LSystemNodeLiteral other) {
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return thisLiteral.name == other.name && thisLiteral.values_number == other.values_number;
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}
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public static bool operator !=(LSystemNodeLiteral thisLiteral, LSystemNodeLiteral other) {
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return !(thisLiteral.name == other.name && thisLiteral.values_number == other.values_number);
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}
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public override string ToString() {
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if (values_number == 0) {
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return name;
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}
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else {
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StringBuilder sb = new StringBuilder(name, name.Length + values_number * 7 + 4);
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sb.Append("(");
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for (int i = 0; i < values_number; i++) {
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var v = values[i];
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sb.AppendFormat("{0:0.##}", v);
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if (i < values_number - 1) {
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sb.Append(",");
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}
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}
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sb.Append(")");
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return sb.ToString();
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}
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}
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}
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public class LSystemNode {
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public LSystemNodeLiteral literal { get; set; }
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public List<LSystemNode> children { get; set; }
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public LSystemNode mainChild { get; set; }
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private LSystemNode _parent;
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public LSystemNode parent {
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get { if (_parent is null) { return new LSystemNode(new LSystemNodeLiteral(" _ ", 0)); }
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else { return _parent; } }
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set { _parent = value; } }
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public LSystemNode(LSystemNodeLiteral nodeLiteral) {
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literal = nodeLiteral;
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children = new List<LSystemNode>();
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mainChild = null;
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}
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public LSystemNode(LSystemNodeLiteral nodeLiteral, List<LSystemNode> children, LSystemNode mainChild) {
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literal = nodeLiteral;
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this.children = children;
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this.mainChild = mainChild;
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}
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public LSystemNode(LSystemNodeLiteral nodeLiteral, List<LSystemNode> children) {
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literal = nodeLiteral;
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this.children = children;
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this.mainChild = null;
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}
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public List<LSystemNode> getAllChildren() {
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var result = new List<LSystemNode>(children);
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if (mainChild != null){
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result.Add(mainChild);
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}
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return result;
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}
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public LSystemNode deep_copy() {
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if (children.Count() == 0 && mainChild == null) {
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return new LSystemNode(new LSystemNodeLiteral(literal));
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}
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else if (mainChild != null) {
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var result = new LSystemNode(new LSystemNodeLiteral(literal));
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result.mainChild = mainChild.deep_copy();
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return result;
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}
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else {
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var new_children = new List<LSystemNode>();
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foreach (var x in children) {
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new_children.Add(x.deep_copy());
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}
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return new LSystemNode(literal, new_children, this.mainChild.deep_copy());
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}
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}
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private static LSystemNode deepestNode(LSystemNode node) {
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while (node.mainChild != null) {
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node = node.mainChild;
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}
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return node;
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}
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public LSystemNode newParent() {
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return deepestNode(this);
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}
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public override string ToString() {
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StringBuilder sb = new StringBuilder(literal.ToString());
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var node = this;
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while (true) {
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foreach (var child in node.children) {
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sb.Append("[");
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sb.Append(child.ToString());
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sb.Append("]");
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}
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if (node.mainChild != null) {
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sb.Append(node.mainChild.literal.ToString());
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node = node.mainChild;
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}
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else {
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return sb.ToString();
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}
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}
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}
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}
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public class LSystemEvaluator {
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public LSystemNode lSystemString { get; set; }
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public List<LSystemRule> lSystemRules { get; set; }
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public LSystemEvaluator(LSystemNode startingString, List<LSystemRule> rules) {
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lSystemString = startingString;
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lSystemRules = rules;
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}
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private LSystemNode _rewrite(LSystemNode node) {
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foreach (var rule in lSystemRules) {
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if (rule.is_aplicable(node)) {
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return rule.rewrite(node);
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}
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}
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return new LSystemNode(node.literal);
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}
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//private void _rewrite_recursive(LSystemNode node, LSystemNode parent) {
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// var new_node = _rewrite(node);
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// parent.children.Add(new_node);
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// new_node.parent = parent;
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// var new_parent = new_node.newParent();
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// foreach (var child in node.children) {
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// _rewrite_recursive(child, new_parent);
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// }
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//}
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private void _rewrite_recursive(LSystemNode node, LSystemNode parent) {
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var new_node = _rewrite(node);
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parent.children.Add(new_node);
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new_node.parent = parent;
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var new_parent = new_node.newParent();
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foreach (var child in node.children) {
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_rewrite_recursive(child, new_parent);
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}
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while (node.mainChild != null) {
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new_node = _rewrite(node.mainChild);
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new_node.parent = new_parent;
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new_parent.mainChild = new_node;
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new_parent = new_node.newParent();
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foreach (var child in node.mainChild.children) {
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_rewrite_recursive(child, new_parent);
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}
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node = node.mainChild;
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}
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}
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public void rewrite() {
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var new_root = _rewrite(lSystemString);
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var new_parent = new_root.newParent();
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foreach (var child in lSystemString.children) {
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_rewrite_recursive(child, new_parent);
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}
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var node = lSystemString;
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while (node.mainChild != null) {
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var new_node = _rewrite(node.mainChild);
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new_node.parent = new_parent;
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new_parent.mainChild = new_node;
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new_parent = new_node.newParent();
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foreach (var child in node.mainChild.children) {
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_rewrite_recursive(child, new_parent);
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}
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node = node.mainChild;
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}
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lSystemString = new_root;
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}
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//private void rewrite(ref LSystemNode currentNode)
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}
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//abstract class LSystemWordParser { }
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//abstract class LSystemRulesParser { }
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class A {
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public int B { get; set; }
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public A[] AA { get; set; }
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}
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class Program {
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static void runParametric() {
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Dictionary<string, int> variableIndex = new Dictionary<string, int> {
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{"a", 0},
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{"b", 1},
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};
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var predecesor1 = LSystemFileParser.parsePredecesor("B(a,b)");
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var predecesor2 = LSystemFileParser.parsePredecesor("A(a)");
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var condition1 = MathExpressionComparasionParser.parse(variableIndex, "a>b");
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var condition2 = MathExpressionComparasionParser.parse(variableIndex, "a>5");
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var builder = new LSystemWordGeneratorBuilder(variableIndex);
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var consequent1 = (LSystemNodeGenerator)LSystemFileParser.parseWord("B(0,b)[A(a/2)]A(a/2)", builder);
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var consequent2 = (LSystemNodeGenerator)LSystemFileParser.parseWord("B(a+3.5,b+1)", builder);
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var consequent3 = (LSystemNodeGenerator)LSystemFileParser.parseWord("B(0,a)", builder);
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var consequent4 = (LSystemNodeGenerator)LSystemFileParser.parseWord("A(a+1)", builder);
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var rule1 = new LSystemRuleParametric(predecesor1, new MathExpressionComparison[] { condition1 }, consequent1 );
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var rule2 = new LSystemRuleParametric(predecesor1, new MathExpressionComparison[] { }, consequent2 );
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var rule3 = new LSystemRuleParametric(predecesor2, new MathExpressionComparison[] { condition2 }, consequent3 );
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var rule4 = new LSystemRuleParametric(predecesor2, new MathExpressionComparison[] { }, consequent4);
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var axiom = LSystemFileParser.parseWord("A(6)", new LSystemWordBuilder());
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var rules = new List<LSystemRule> { rule1, rule2, rule3, rule4 };
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var evaluator = new LSystemEvaluator(axiom, rules);
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Console.WriteLine(evaluator.lSystemString.ToString());
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for (int i = 0; i < 20; i++) {
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evaluator.rewrite();
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Console.WriteLine(evaluator.lSystemString.ToString());
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}
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}
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static void runContext() {
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var axiom = LSystemFileParser.parseWord("A(1)A(1)A(1)A(1)A(1)A(1)B(2)", new LSystemWordBuilder());
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var predecesor = LSystemFileParser.parsePredecesor("A(a)");
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var predecesor1 = LSystemFileParser.parsePredecesor("B(b)");
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var contex = new LSystemContext();
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contex.setOnlySucceeding(new LSystemNodeLiteral("B", 1));
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var contex1 = new LSystemContext();
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contex1.setOnlyPreceding(new LSystemNodeLiteral("A", 1));
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Dictionary<string, int> variableIndex = new Dictionary<string, int> {
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{ "a", 0 },
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{ "b", 1 },
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};
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var builder = new LSystemWordGeneratorBuilder(variableIndex);
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var consequent = (LSystemNodeGenerator)LSystemFileParser.parseWord("B(a)", builder);
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var consequent1 = (LSystemNodeGenerator)LSystemFileParser.parseWord("A(1)", builder);
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var consequent2 = (LSystemNodeGenerator)LSystemFileParser.parseWord("A(a+1)", builder);
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MathExpressionComparison comparison = MathExpressionComparasionParser.parse(variableIndex, "a>b");
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MathExpressionComparison comparison1 = MathExpressionComparasionParser.parse(variableIndex, "a<=b");
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var rule = new LSystemRuleParametricStochasticContext(predecesor, new MathExpressionComparison[] { comparison }, consequent, contex);
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var rule1 = new LSystemRuleParametricStochasticContext(predecesor, new MathExpressionComparison[] { }, consequent2, contex);
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var rule2 = new LSystemRuleParametricStochasticContext(predecesor1, new MathExpressionComparison[] { comparison }, consequent1, contex1);
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var rules = new List<LSystemRule> { rule, rule1, rule2 };
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var evaluator = new LSystemEvaluator(axiom, rules);
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Console.WriteLine(evaluator.lSystemString.ToString());
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for (int i = 0; i < 20; i++) {
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evaluator.rewrite();
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Console.WriteLine(evaluator.lSystemString.ToString());
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}
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}
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static void runFile() {
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Console.WriteLine("Enter filepath:");
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string filepath = Console.ReadLine();
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var evaluator = LSystemFileParser.parseLSystem(new StreamReader(filepath));
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Console.WriteLine(evaluator.lSystemString.ToString());
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while (true) {
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Console.ReadLine();
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evaluator.rewrite();
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Console.WriteLine(evaluator.lSystemString.ToString());
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}
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}
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static void Main(string[] args) {
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runFile();
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//runContext();
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//var Al = new LSystemNodeLiteral("Al", 0);
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//var Ar = new LSystemNodeLiteral("Ar", 0);
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//var Bl = new LSystemNodeLiteral("Bl", 0);
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//var Br = new LSystemNodeLiteral("Br", 0);
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//var root = new LSystemNode(Ar);
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//var rule_list = new List<LSystemRule>();
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//var result = new LSystemNode(Al);
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//result.children.Add(new LSystemNode(Br));
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//rule_list.Add(new LSystemRuleBasic(Ar, result));
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//result = new LSystemNode(Bl);
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//result.children.Add(new LSystemNode(Ar));
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//rule_list.Add(new LSystemRuleBasic(Al, result));
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//result = new LSystemNode(Ar);
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//rule_list.Add(new LSystemRuleBasic(Br, result));
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//result = new LSystemNode(Al);
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//rule_list.Add(new LSystemRuleBasic(Bl, result));
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//var evaluator = new LSystemEvaluator(root, rule_list);
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//for (int i=0; i < 5; i++) {
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// Console.WriteLine(evaluator.lSystemString.ToString());
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// evaluator.rewrite();
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//}
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//Console.WriteLine(evaluator.lSystemString.ToString());
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//var node = LSystemFileParser.parseWord("A[AA][A]AB(1,2)[A(1)]C", new LSystemWordBuilder());
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//Console.WriteLine(node.ToString());
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}
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}
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}
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