Add a simplified runner which outputs a CSV report

src/com/google/typography/font/compression/SimpleRunner.java

@@ -0,0 +1,60 @@
+package com.google.typography.font.compression;
+
+import com.google.common.io.Files;
+import com.google.typography.font.sfntly.Font;
+import com.google.typography.font.sfntly.FontFactory;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * Simple WOFF 2.0 compression report runner.
+ *
+ * @author David Kuettel
+ */
+public class SimpleRunner {
+
+  private static final FontFactory FONT_FACTORY = FontFactory.getInstance();
+
+  private static final String GZIP = "gzip";
+  private static final String WOFF2 = "glyf/cbbox,triplet,code,reslice:woff2/lzma";
+
+  private static final String REPORT = "report.csv";
+
+  public static void main(String[] args) throws IOException {
+    if (args.length == 0) {
+      usage();
+    }
+    CompressionStats stats = new CompressionStats();
+
+    System.out.printf("Analyzing (%d) fonts\n", args.length);
+    run(stats, args);
+
+    System.out.printf("Creating report: %s\n", REPORT);
+    CsvReport.create(stats, REPORT);
+  }
+
+  private static void run(CompressionStats stats, String[] filenames) throws IOException {
+    for (String filename : filenames) {
+      File file = new File(filename);
+      byte[] bytes = Files.toByteArray(file);
+      Font font = FONT_FACTORY.loadFonts(bytes)[0];
+
+      byte[] gzip = Experiment.run(font, GZIP);
+      byte[] woff2 = Experiment.run(font, WOFF2);
+
+      stats.add(
+          CompressionStats.Stats.builder()
+              .setFilename(file.getName())
+              .setSize(CompressionStats.Size.ORIGINAL, bytes.length)
+              .setSize(CompressionStats.Size.GZIP, gzip.length)
+              .setSize(CompressionStats.Size.WOFF2, woff2.length)
+              .build());
+    }
+  }
+
+  private static void usage() {
+    System.err.println("Usage: SimpleRunner font...");
+    System.exit(-1);
+  }
+}