Dump helper method for tests

tests/unit/util.h

@@ -0,0 +1,85 @@
+/*
+   mkvmerge -- utility for splicing together matroska files
+   from component media subtypes
+
+   Distributed under the GPL
+   see the file COPYING for details
+   or visit http://www.gnu.org/copyleft/gpl.html
+
+   definitions for helper functions for unit tests
+
+   Written by Moritz Bunkus <moritz@bunkus.org>.
+*/
+
+#ifndef MTX_TESTS_UNIT_INIT_H
+#define MTX_TESTS_UNIT_INIT_H
+
+#include "common/common_pch.h"
+
+#include <iostream>
+
+#include <ebml/EbmlBinary.h>
+#include <ebml/EbmlDate.h>
+#include <ebml/EbmlFloat.h>
+#include <ebml/EbmlSInteger.h>
+#include <ebml/EbmlString.h>
+#include <ebml/EbmlUInteger.h>
+#include <ebml/EbmlUnicodeString.h>
+#include <ebml/EbmlVoid.h>
+
+namespace mtxut {
+
+using namespace libebml;
+
+void
+dump(EbmlElement *element,
+     bool with_values = false,
+     unsigned int level = 0) {
+  std::string indent_str, value_str;
+  size_t i;
+
+  for (i = 1; i <= level; ++i)
+    indent_str += " ";
+
+  if (with_values) {
+    if (dynamic_cast<EbmlUInteger *>(element))
+      value_str = to_string(uint64(*static_cast<EbmlUInteger *>(element)));
+
+    else if (dynamic_cast<EbmlSInteger *>(element))
+      value_str = to_string(int64(*static_cast<EbmlSInteger *>(element)));
+
+    else if (dynamic_cast<EbmlFloat *>(element))
+      value_str = to_string(double(*static_cast<EbmlFloat *>(element)));
+
+    else if (dynamic_cast<EbmlUnicodeString *>(element))
+      value_str = UTFstring_to_cstrutf8(UTFstring(*static_cast<EbmlUnicodeString *>(element)));
+
+    else if (dynamic_cast<EbmlString *>(element))
+      value_str = std::string(*static_cast<EbmlString *>(element));
+
+    else if (dynamic_cast<EbmlDate *>(element))
+      value_str = to_string(static_cast<EbmlDate *>(element)->GetEpochDate());
+
+    else
+      value_str = (boost::format("(type: %1%)") %
+                   (  dynamic_cast<EbmlBinary *>(element) ? "binary"
+                    : dynamic_cast<EbmlMaster *>(element) ? "master"
+                    : dynamic_cast<EbmlVoid *>(element)   ? "void"
+                    :                                       "unknown")).str();
+
+    value_str = " " + value_str;
+  }
+
+  std::cout << indent_str << EBML_NAME(element) << value_str << std::endl;
+
+  EbmlMaster *master = dynamic_cast<EbmlMaster *>(element);
+  if (!master)
+    return;
+
+  for (auto el : *master)
+    dump(el, with_values, level + 1);
+}
+
+}
+
+#endif // MTX_TESTS_UNIT_UTIL_H