Add skeleton of console UI

2 files changed, 61 insertions, 1 deletions

diff --git a/src/main/ui/BrowserApp.java b/src/main/ui/BrowserApp.java
new file mode 100644
index 0000000..521a28f
--- /dev/null
+++ b/src/main/ui/BrowserApp.java
@@ -0,0 +1,60 @@
+package ui;
+
+import model.html.ElementNode;
+import model.html.HtmlParser;
+import model.html.TextNode;
+import model.util.Node;
+
+import java.nio.file.*;
+import java.util.*;
+
+/**
+ * The console interface to Apus.
+ */
+public class BrowserApp {
+    private Scanner input;
+
+    /**
+     * EFFECTS: Renders an arbitrary HTML page and arbitrary HTML input.
+     */
+    public BrowserApp() {
+        println("apus: currently a barebones html/css renderer");
+        println("please provide a path to a file (examples located in data/*):");
+
+        String pathString = input.next();
+        Path path = Path.of(pathString);
+        try {
+            String file = Files.readString(path);
+            HtmlParser parser = new HtmlParser();
+            renderHtml(parser.parseHtml(file));
+            println("Page rendered. Input raw HTML to add Nodes.");
+            parser = new HtmlParser();
+            String rawHtml = input.next();
+            renderHtml(parser.parseHtml(file + rawHtml));
+        } catch (Exception e) {
+            println("Reading from the file failed with " + e.toString());
+        }
+    }
+
+    /**
+     * EFFECTS: Barebones HTML rendering. Iterates through a list of Nodes and their children and prints any text.
+     */
+    private void renderHtml(ArrayList<Node> html) {
+        for (Node node: html) {
+            if (node instanceof TextNode) {
+                println(node.getData());
+            } else {
+                renderHtml(((ElementNode) node).getChildren());
+            }
+        }
+    }
+
+    private void print(String toPrint) {
+        System.out.print(toPrint);
+    }
+
+    private void println(String toPrint) {
+        System.out.println(toPrint);
+    }
+
+}
diff --git a/src/main/ui/Main.java b/src/main/ui/Main.java
index d80be21..841576f 100644
--- a/src/main/ui/Main.java
+++ b/src/main/ui/Main.java
@@ -2,6 +2,6 @@ package ui;
 
 public class Main {
     public static void main(String[] args) {
-
+        new BrowserApp();
     }
 }