6 files changed, 241 insertions, 0 deletions
diff --git a/src/CSVReader.java b/src/CSVReader.java
new file mode 100644
index 0000000..42b6899
--- /dev/null
+++ b/src/CSVReader.java
@@ -0,0 +1,23 @@
+import java.io.*;
+
+/*
+ * @author
+ * Kian Agheli
+ * 
+ * References:
+ * 
+ * Date:
+ * 2024-04-28
+ * 
+ * Purpose of class:
+ * Read from and interpret CSV files.
+ */
+
+public class CSVReader extends Reader {
+	String[] header; // A CSV file has-a header. One line, multiple fields.
+	String[][] body; // A CSV file has-a body. Multiple lines, multiple fields.
+
+	public CSVReader(File file) {
+		super(file); // Call parent constructor
+	}
+}
diff --git a/src/ComparisonView.java b/src/ComparisonView.java
new file mode 100644
index 0000000..ca5929e
--- /dev/null
+++ b/src/ComparisonView.java
@@ -0,0 +1,84 @@
+import java.util.ArrayList;
+import java.io.*;
+import javax.swing.*;
+import java.awt.*;
+
+/*
+ * @author
+ * Kian Agheli
+ * 
+ * References:
+ * https://zetcode.com/java/listdirectory/
+ * https://stackoverflow.com/questions/4871051/how-to-get-the-current-working-directory-in-java
+ * 
+ * Date:
+ * 2024-04-28
+ * 
+ * Purpose of class:
+ * Provide a view for comparing font families.
+ */
+
+public class ComparisonView extends JFrame {
+	private final int WINDOW_MIN_WIDTH = 960;
+	private final int WINDOW_MIN_HEIGHT = 540;
+
+	/*
+	 * Walk the file tree.
+	 */
+	static void walk(File dir, ArrayList<File> list) {
+		File[] dirContents = dir.listFiles();
+		for (int i = 0; i < dirContents.length; i++) {
+			if (dirContents[i].isFile()) {
+				if (dirContents[i] != null) {
+					list.add(dirContents[i]);
+				}
+			} else if (dirContents[i].isDirectory()) {
+				walk(dirContents[i], list);
+			}
+			/* Otherwise, an irregular file. Ignore it. */
+		}
+	}
+
+	/* Initialize GUI and comparison. */
+	public ComparisonView() {
+		setTitle("Google Fonts Style vs. Popularity"); // Window title
+		setMinimumSize(new Dimension(WINDOW_MIN_WIDTH,
+			WINDOW_MIN_HEIGHT)); // Minimum window size
+		/* On window close, kill the program. */
+		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+		pack(); // Pack the GUI
+		setVisible(true); // Make the window visible
+
+		/* In $(find . | grep METADATA.pb), each
+		family is described in JSON. Human name is provided on first line.
+		For each METADATA.pb, instantiate a FontFamily object, keep
+		in an ArrayList. */	
+		//System.out.println(System.getProperty("user.dir"));
+		ArrayList<File> fileList = new ArrayList<File>();
+		try {
+			walk(new File("."), fileList);
+		} catch (Exception e) {
+			System.out.println(e.getMessage()); // Print error message
+			System.exit(1); // Exit with error
+		}
+		
+		ArrayList<File> metadataList = new ArrayList<File>();
+		/* Enhanced for loop. */
+		for (File file : fileList) {
+			if (file.getPath().endsWith("METADATA.pb")) {
+				metadataList.add(file);
+			}
+		}
+		
+		/* Create FontFamily objects from each METADATA.pb file.
+		Not done yet. */
+		for (File file : metadataList) {
+			System.out.println(file.getPath());
+		}
+	}
+
+	public static void main(String[] argv) {
+		new ComparisonView();
+	}
+}
diff --git a/src/FontFamily.java b/src/FontFamily.java
new file mode 100644
index 0000000..54e174f
--- /dev/null
+++ b/src/FontFamily.java
@@ -0,0 +1,35 @@
+import java.util.ArrayList;
+import java.util.HashMap;
+
+/*
+ * @author
+ * Kian Agheli
+ * 
+ * References:
+ * 
+ * Date:
+ * 2024-04-28
+ * 
+ * Purpose of class:
+ * Store and operate on font family metadata.
+ */
+
+public class FontFamily {
+	/* The directory containing the associated METADATA.pb */
+	private String directoryName;
+	/* Taken from first line of METADATA.pb */
+	private String familyName;
+	/* Taken from fonts/tags/all/families.csv */
+	private ArrayList<String> styles;
+	/* Taken from top level of METADATA.pb */
+	private String dateAdded;
+	/* Average glyph count of every font file specified in METADATA.pb */
+	private int glyphCount;
+	/* Average file size of every font file specified in METADATA.pb */
+	private int fileSize;
+	/* Author from METADATA.pb */
+	private String author;
+	/* total views, 7day views, 30day views, 90day views, year views.
+	Taken from popularity.json. */
+	private HashMap<String,Long> views;
+}
diff --git a/src/JSONReader.java b/src/JSONReader.java
new file mode 100644
index 0000000..52edf3a
--- /dev/null
+++ b/src/JSONReader.java
@@ -0,0 +1,26 @@
+import java.io.*;
+
+/*
+ * @author
+ * Kian Agheli
+ * 
+ * References:
+ * https://jqlang.github.io/jq/manual/
+ * 
+ * Date:
+ * 2024-04-28
+ * 
+ * Purpose of class:
+ * Read from and interpret JSON files.
+ */
+
+public class JSONReader extends Reader {
+	public JSONReader(File file) {
+		super(file);
+	}
+	
+	/* Something akin to jq's field selection. */
+	public String getField(String field) {
+		return null;
+	}
+}
diff --git a/src/LineGraph.java b/src/LineGraph.java
new file mode 100644
index 0000000..b9642fb
--- /dev/null
+++ b/src/LineGraph.java
@@ -0,0 +1,24 @@
+import javax.swing.*;
+
+/*
+ * @author
+ * Kian Agheli
+ *
+ * References:
+ *
+ * Date:
+ * 2024-04-28
+ *
+ * Purpose of class:
+ * Draw a line graph.
+ */
+
+public class LineGraph {
+	int[][] coordinates; // A line graph has-a set of coordinates
+	public LineGraph() {
+		coordinates = null;
+	}
+	
+	void setCoordinates(int y, int x) {
+	}
+}
diff --git a/src/Reader.java b/src/Reader.java
new file mode 100644
index 0000000..934bf5f
--- /dev/null
+++ b/src/Reader.java
@@ -0,0 +1,49 @@
+import java.io.*;
+import java.util.Scanner;
+
+/*
+ * @author
+ * Kian Agheli
+ * 
+ * References:
+ * 
+ * Date:
+ * 2024-04-28
+ * 
+ * Purpose of class:
+ * Read from a file.
+ */
+
+class Reader {
+	private File file; // A Reader has-a file.
+	private String contents; // A Reader has-a set of contents.
+	
+	public Reader(File file) {
+		this.file = file;
+		contents = null;
+		Scanner scan = null;
+		try {
+			/* Scan over the contents of the input file. */
+			scan = new Scanner(file);
+			/* Save to object. */
+			while (scan.hasNextLine()) {
+				contents += scan.nextLine();
+			}
+		/* On exception, exit. */
+		} catch (Exception e) {
+			System.out.println(e.getMessage());
+			System.exit(1);
+		} finally {
+			if (scan != null) {
+				scan.close();
+			}
+		}
+	}
+	
+	/*
+	 * @return the contents of the file.
+	 */
+	String getContents() {
+		return contents;
+	}
+}