1 files changed, 60 insertions, 0 deletions
diff --git a/cmds/idmap2/idmap2/Dump.cpp b/cmds/idmap2/idmap2/Dump.cpp
new file mode 100644
index 000000000000..c8cdcfa6d3dc
--- /dev/null
+++ b/cmds/idmap2/idmap2/Dump.cpp
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fstream>
+#include <iostream>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "idmap2/CommandLineOptions.h"
+#include "idmap2/Idmap.h"
+#include "idmap2/PrettyPrintVisitor.h"
+#include "idmap2/RawPrintVisitor.h"
+
+using android::idmap2::CommandLineOptions;
+using android::idmap2::Idmap;
+using android::idmap2::PrettyPrintVisitor;
+using android::idmap2::RawPrintVisitor;
+
+bool Dump(const std::vector<std::string>& args, std::ostream& out_error) {
+  std::string idmap_path;
+  bool verbose;
+
+  const CommandLineOptions opts =
+      CommandLineOptions("idmap2 dump")
+          .MandatoryOption("--idmap-path", "input: path to idmap file to pretty-print", &idmap_path)
+          .OptionalFlag("--verbose", "annotate every byte of the idmap", &verbose);
+  if (!opts.Parse(args, out_error)) {
+    return false;
+  }
+  std::ifstream fin(idmap_path);
+  const std::unique_ptr<const Idmap> idmap = Idmap::FromBinaryStream(fin, out_error);
+  fin.close();
+  if (!idmap) {
+    return false;
+  }
+
+  if (verbose) {
+    RawPrintVisitor visitor(std::cout);
+    idmap->accept(&visitor);
+  } else {
+    PrettyPrintVisitor visitor(std::cout);
+    idmap->accept(&visitor);
+  }
+
+  return true;
+}