1 files changed, 29 insertions, 4 deletions
diff --git a/util/hb-shape.cc b/util/hb-shape.cc
index 337cd43..3ae3fa1 100644
--- a/util/hb-shape.cc
+++ b/util/hb-shape.cc
@@ -83,10 +83,7 @@ struct output_buffer_t
     if (format.trace)
       hb_buffer_set_message_func (buffer, message_func, this, nullptr);
   }
-  void new_line (void)
-  {
-    line_no++;
-  }
+  void new_line () { line_no++; }
   void consume_text (hb_buffer_t  *buffer,
 		     const char   *text,
 		     unsigned int  text_len,
@@ -160,6 +157,34 @@ struct output_buffer_t
 int
 main (int argc, char **argv)
 {
+  if (argc == 2 && !strcmp (argv[1], "--batch"))
+  {
+    unsigned int ret = 0;
+    char buf[4092];
+    while (fgets (buf, sizeof (buf), stdin))
+    {
+      size_t l = strlen (buf);
+      if (l && buf[l - 1] == '\n') buf[l - 1] = '\0';
+      main_font_text_t<shape_consumer_t<output_buffer_t>, FONT_SIZE_UPEM, 0> driver;
+      char *args[32];
+      argc = 0;
+      char *p = buf, *e;
+      args[argc++] = p;
+      while ((e = strchr (p, ' ')) && argc < (int) (int) ARRAY_LENGTH (args))
+      {
+	*e++ = '\0';
+	while (*e == ' ')
+	  e++;
+	args[argc++] = p = e;
+      }
+      ret |= driver.main (argc, args);
+      fflush (stdout);
+
+      if (ret)
+        break;
+    }
+    return ret;
+  }
   main_font_text_t<shape_consumer_t<output_buffer_t>, FONT_SIZE_UPEM, 0> driver;
   return driver.main (argc, argv);
 }