From b0cddf75f0d38c10e9e02edaf860f27a7861adb3 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Sat, 16 Sep 2017 22:25:11 -0700
Subject: [PATCH] Write a base Graph class that does some parsing of
 expressions.

---
 .../org/nwapw/abacus/fx/graphing/Graph.kt     | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 fx/src/main/kotlin/org/nwapw/abacus/fx/graphing/Graph.kt

diff --git a/fx/src/main/kotlin/org/nwapw/abacus/fx/graphing/Graph.kt b/fx/src/main/kotlin/org/nwapw/abacus/fx/graphing/Graph.kt
new file mode 100644
index 0000000..e7bdde1
--- /dev/null
+++ b/fx/src/main/kotlin/org/nwapw/abacus/fx/graphing/Graph.kt
@@ -0,0 +1,33 @@
+package org.nwapw.abacus.fx.graphing
+
+import org.nwapw.abacus.Abacus
+import org.nwapw.abacus.config.Configuration
+import org.nwapw.abacus.number.NaiveNumber
+import org.nwapw.abacus.number.NumberInterface
+import org.nwapw.abacus.plugin.StandardPlugin
+import org.nwapw.abacus.tree.TreeNode
+
+class Graph(val abacus: Abacus,
+            expression: String, pointExpression: String,
+            var domain: ClosedRange<NumberInterface>, var range: ClosedRange<NumberInterface>,
+            var inputVariable: String = "x", var pointInputVariable: String = "n") {
+
+    private var expressionTree: TreeNode? = null
+    private var pointExpressionTree: TreeNode? = null
+
+    var expression: String = ""
+        set(value) {
+            expressionTree = abacus.parseString(value)
+            field = value
+        }
+    var pointExpression: String = ""
+        set(value) {
+            pointExpressionTree = abacus.parseString(value)
+            field = value
+        }
+
+    init {
+        this.expression = expression
+        this.pointExpression = pointExpression
+    }
+}